CN112485098B - Solid phase extraction nitrogen blows concentrator - Google Patents
Solid phase extraction nitrogen blows concentrator Download PDFInfo
- Publication number
- CN112485098B CN112485098B CN202011563282.8A CN202011563282A CN112485098B CN 112485098 B CN112485098 B CN 112485098B CN 202011563282 A CN202011563282 A CN 202011563282A CN 112485098 B CN112485098 B CN 112485098B
- Authority
- CN
- China
- Prior art keywords
- needle
- column
- nitrogen blowing
- spe
- guide rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 400
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 200
- 238000002414 normal-phase solid-phase extraction Methods 0.000 title claims abstract description 23
- 238000007664 blowing Methods 0.000 claims abstract description 167
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000005070 sampling Methods 0.000 claims description 56
- 239000012141 concentrate Substances 0.000 claims description 48
- 238000012360 testing method Methods 0.000 claims description 46
- 238000009434 installation Methods 0.000 claims description 21
- 210000005056 cell body Anatomy 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 7
- 238000010828 elution Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 210000005239 tubule Anatomy 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000002390 rotary evaporation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4044—Concentrating samples by chemical techniques; Digestion; Chemical decomposition
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a solid-phase extraction nitrogen blowing concentrator which comprises a base component, wherein a concentrated water tank component is arranged above the base component, a nitrogen blowing lifting component is arranged above the concentrated water tank component, a nitrogen blowing needle lifting component comprises an electromagnetic valve component, an SPE column inserting component is arranged behind the nitrogen blowing lifting component, the SPE column inserting component is provided with a spring protection mechanism, and a sample loading component is arranged on the right of the nitrogen blowing lifting component. The solid-phase extraction nitrogen blowing concentrator can realize the functions of solid-phase extraction and nitrogen blowing concentration at the same time, and the nitrogen blowing control and electromagnetic valve assembly adopts a modularized design, so that the requirements of multiple specifications of users are met, and the nitrogen blowing concentrator can be replaced quickly; the liquid level sensor is arranged in the concentrated water tank assembly, and the electromagnetic valve assembly and the liquid level sensor are combined to accurately realize quantitative concentration; the device design allows for the user to process large volumes of samples.
Description
Technical Field
The invention belongs to the field of separation, and particularly relates to a solid phase extraction nitrogen blowing concentrator.
Background
Solid phase extraction is a sample pretreatment technology developed in recent years, and is mainly used for separating, purifying and enriching samples.
The main purpose of solid phase extraction is to reduce the interference of sample matrix and improve the detection sensitivity. The current solid phase extraction instrument can finish the function of sample collection, but can not extract the sample in a large batch, if the sample needs to be processed in a large batch, repeated extraction is needed for many times, the process is tedious, manpower and material resources are wasted, and after the sample is collected, the sample needs to be transferred to a special constant volume concentrator for constant volume concentration to be suitable for a subsequent analysis instrument, and the current common constant volume concentrator is provided with a full-automatic water bath nitrogen blowing concentrator and a rotary evaporator. The constant volume concentration mode has various defects, firstly, sample loss and pollution caused by air contact easily occur in the sample transferring process; secondly, the degree of constant volume cannot be known, and the constant volume precision is rough; again, the specifications of the nitrogen blowing assembly cannot be quickly changed according to the user's requirements.
Obviously, the constant volume method easily causes that the sample is evaporated to dryness during nitrogen blowing or rotary evaporation, so that experiments are performed in white, and the open nitrogen blowing device is extremely unfavorable for the health of operators.
Disclosure of Invention
The invention aims to solve the technical problem of providing a solid phase extraction nitrogen blowing concentrator which can simultaneously realize the functions of solid phase extraction and nitrogen blowing concentration, meet the requirements of multiple specifications of users, realize the accurate realization of quantitative concentration and treat samples in a large scale.
In order to achieve the above object, the technical scheme of the present invention is as follows:
The utility model provides a solid-phase extraction nitrogen blows concentrator, it includes the bottom plate, the pillar, base subassembly, be provided with on the bottom plate base subassembly, the top of base subassembly is provided with concentrated water tank subassembly, the top of concentrated water tank subassembly is provided with nitrogen and blows the lifting unit, the rear of nitrogen and blow the lifting unit is provided with SPE post plug-in components, the right-hand sample subassembly that is provided with of nitrogen and blow the lifting unit, the pillar is 4, wherein the lower extreme of two pillars on left side and the perpendicular fixed connection of bottom plate, wherein the lower extreme of two pillars on right side and loading needle upper rail mounting plate fixed connection, loading needle upper rail mounting plate is gone up to the sample subassembly, loading needle upper rail mounting plate lower extreme is provided with the loading support perpendicularly, loading support's lower extreme with bottom plate fixed connection, be connected with the top-disc on the top of 4 pillars, be provided with the access & exit of solenoid valve subassembly, its characterized in that, nitrogen blows the lifting unit includes nitrogen and blows guide mounting plate, nitrogen and needle guide rail, nitrogen needle slider, nitrogen needle motor, nitrogen needle lift motor, mounting plate, nitrogen needle lift needle, solenoid valve, screw, nitrogen needle lift nut; the nitrogen blowing needle guide rail mounting plate is provided with 4, the top end of the nitrogen blowing needle guide rail mounting plate is fixedly connected with the top disc, the lower end of the nitrogen blowing needle guide rail mounting plate is fixedly connected with the water tank cover plate, the nitrogen blowing needle guide rail is fixedly connected with the nitrogen blowing needle guide rail, the nitrogen blowing needle guide rail is slidingly connected with the nitrogen blowing needle sliding block, the nitrogen blowing needle sliding block is fixedly connected with four corners of the nitrogen blowing needle assembly fixing plate, the nitrogen blowing needle assembly fixing plate is provided with a T-shaped groove, the T-shaped groove penetrates from the left side of the nitrogen blowing needle assembly fixing plate to the right side of the nitrogen blowing needle assembly fixing plate, the nitrogen blowing needle mounting plate is clamped in the T-shaped groove, the nitrogen blowing needle is arranged below the nitrogen blowing needle mounting plate, the nitrogen blowing needle is in two rows, the electromagnetic group module comprises an electromagnetic valve, an electromagnetic supporting column module and an electromagnetic valve bus plate, the utility model discloses a nitrogen blowing needle assembly, including nitrogen blowing needle assembly fixed plate, solenoid valve support column, solenoid valve assembly lifting screw motor, wherein the solenoid valve support column is fixed to be set up in the top of nitrogen blowing needle assembly fixed plate leftmost and rightmost, the solenoid valve support column is two the fixed solenoid valve support plate that is provided with in top of solenoid valve support column be provided with the solenoid valve busbar board on the solenoid valve support plate, evenly be provided with two rows of solenoid valves on the solenoid valve busbar board, every row of solenoid valve includes 12 solenoid valves, nitrogen blowing needle mounting panel solenoid valve assembly lifting screw motor constitutes a module, and this module can be dismantled from nitrogen blowing lifting assembly to be convenient for change be provided with solenoid valve assembly access on the footwall, solenoid valve assembly can pass solenoid valve assembly access, nitrogen blowing needle lifting screw motor sets up in the footwall top, the nitrogen blows needle lifting screw motor nut with the nitrogen blows needle slider and is connected, the nitrogen blows needle lifting screw motor starts, and it drives the nitrogen and blows the needle slider and be in the nitrogen is blown the needle guide rail and is removed, be provided with a plurality of solenoid valves on the solenoid valve busbar, according to the work needs, can select the switching of solenoid valve to satisfy user's needs.
Further, the number of the electromagnetic valves is 24.
The sampling assembly comprises 4 sampling brackets, a sampling assembly power mechanism, a sampling test tube assembly and sampling needles, wherein the top surfaces of the 4 sampling brackets are fixedly connected with sampling needle upper layer guide rail mounting plates, the sampling assembly power mechanism comprises sampling needle upper and lower guide rail mounting plates, sampling needle sliders, sampling needle slider mounting plates, sampling needle upper and lower guide rail mounting plates, sampling needle upper and lower screw rod motors, screw rod motor nuts, Y-axis guide rails, sampling needle front and rear motors, the sampling needle upper and lower guide rail mounting plates are arranged in parallel with the sampling brackets, the sampling needle upper and lower guide rail mounting plates are provided with upper and lower guide rails, the sampling needle sliders and the upper and lower guide rails form a guide rail moving pair, the sampling needle sliders are arranged above the sampling needle sliders, the sampling needle sliders are mounted on the sampling needle mounting plates, the two sampling needle sliders are arranged on the sampling needle slider mounting plates, the two sampling needle upper and lower guide rail mounting plates are arranged on the same side of the sampling needle slider mounting plates, the two sampling needle upper and lower guide rail mounting plates are matched with the sampling needle slider mounting plates in parallel with the guide rail moving pair, and the sampling needle slider mounting plates are matched with the sample needle mounting plates in a rotating mode, and the sample needle mounting plate is matched with the sample needle moving pair to move together; the utility model provides a sample loading needle upper slide block mounting panel with sample loading needle upper slide block is together fixed, and the Y axle guide rail is installed on the sample loading needle upper slide block mounting panel, the Y axle guide rail with sample loading needle upper slide block constitutes the second and moves the pair, be provided with the rack on the sample loading needle upper slide block mounting panel, sample loading needle upper slide block with the rack is connected, the rack is connected with gear, the gear with the motor is together fixed around the sample loading needle, the motor around the sample loading needle with sample loading needle upper slide block mounting panel fixed connection works as the motor rotates around the sample loading needle, the sample loading needle realizes controlling the removal.
Further, the test tube subassembly that loads sample sets up under the upper guide rail mounting panel of loading needle, the test tube subassembly that loads sample includes loading test-tube rack and sample tube, the loading test-tube rack includes the test-tube rack bottom plate, sets up the test-tube rack curb plate of test-tube rack bottom plate both sides, two be provided with two-layer baffle between the test-tube rack curb plate, two-layer baffle parallel arrangement just with the test-tube rack bottom plate is parallel, correspond on the two-layer baffle to be provided with a plurality of sample tube and place the hole, place sample tube in the sample tube place the hole, two-layer baffle has guaranteed the stability of sample tube installation, prevents sample tube slope rocks, causes the sample unstable.
Further, the SPE column plug assembly 2 comprises a column plug assembly and an SPE column assembly, wherein the column plug assembly comprises a column plug, a column plug fixing frame, a column plug sliding block, a column plug guide rail, a spring protection mechanism, a column plug screw nut and a column plug lifting screw motor, the SPE column assembly comprises an SPE column, an SPE column frame guide plate, an SPE column guide rail, an SPE column rack, an SPE column frame guide plate moving motor, an SPE column assembly mounting side plate, an SPE column assembly upper fixing seat, an SPE column sliding block, an SPE column frame, the column plug fixing frame is vertically arranged, the column plug guide rail is vertically arranged on the column plug fixing frame, the column inserting rod guide rail is movably connected with a column inserting rod sliding block, the column inserting rod sliding block can move up and down along the column inserting rod guide rail, the column inserting rod sliding block comprises a column inserting rod sliding block upper top plate and a column inserting rod sliding block lower bottom plate, the column inserting rod vertically penetrates through the column inserting rod sliding block upper top plate and the column inserting rod sliding block lower bottom plate to be vertically arranged, two column inserting rods are arranged, a spring protection mechanism is arranged in a space, between the column inserting rod sliding block upper top plate and the column inserting rod sliding block lower bottom plate, of the outer surface of each column inserting rod, one end of a column inserting rod screw nut is connected with the column inserting rod, the other end of the column inserting rod screw nut is connected with a column inserting rod lifting screw motor, The column inserting rod lifting screw rod motor and the column inserting rod screw rod nut form a column inserting rod rotating moving pair, the column inserting rod screw rod nut drives the column inserting rod sliding block to move on the column inserting rod guide rail, when the column inserting rod moves to the bottommost end of the SPE column, the column inserting rod sliding block can continuously move downwards, and the column inserting rod compresses the spring protection mechanism to move upwards for a certain distance, so that the SPE column is prevented from being damaged by the column inserting rod; the left bottom end of the column inserting rod fixing frame is fixedly connected with SPE column assembly installation side plates, the number of the SPE column assembly installation side plates is two, the two SPE column assembly installation side plates are respectively positioned at the forefront and the rearmost of the bottom ends of the column inserting rod fixing frame, the top ends of the two SPE column assembly installation side plates are horizontally provided with SPE column assembly upper fixing seats, the column inserting rod vertically passes through the SPE column assembly upper fixing seats, the SPE column frame guide plate mobile motor is arranged on the SPE column assembly installation side plates, the lower part of the SPE column assembly upper fixing seats is provided with a plurality of SPE columns on the SPE column frame, The SPE column support is characterized in that the left side and the right side of the SPE column support are provided with SPE column support guide plates, the SPE column support guide plates are fixedly connected with SPE column guide rails below the SPE column support guide plates, the SPE column support guide plates are connected with SPE column support gear, the SPE column support gear is arranged on a motor shaft of a motor for moving the SPE column support guide plates, an SPE column slide block is arranged on a fixed seat on an SPE column component, the SPE column slide block is movably matched and connected with the SPE column support guide plates, when the SPE column needs to move back and forth, the motor for moving the SPE column support guide plates provides power for the SPE column support gear, The SPE column rack drives the SPE column guide rail to move back and forth along the SPE column sliding block, thereby driving the SPE column frame to move, and the SPE column arranged in the SPE column frame realizes the back and forth movement.
Further, a water tank cover plate guide shaft mounting block, a water tank cover plate guide shaft and a connecting pull rod; the utility model provides a nitrogen blowing needle guide rail mounting plate, including basin apron guiding axle installation piece, basin apron guiding axle other end and basin apron connection, connect pull rod one end to pass perpendicularly the nitrogen blowing needle subassembly fixed plate, connect the pull rod other end to fix perpendicularly on the basin apron, connect the pull rod to be located the top of nitrogen blowing needle subassembly fixed plate has a connection pull rod nut, be provided with the boss on the connection pull rod nut, the boss can with the setting that connects the pull rod passed is in downthehole connecting piece cooperation connection on the nitrogen blowing needle subassembly fixed plate, thereby make nitrogen blowing needle subassembly fixed plate can drive when upwards moving connect the pull rod upward movement, connect the pull rod upward movement drive the apron upward movement, the basin apron can be at the effect of connecting the pull rod and upwards move, when nitrogen blowing needle subassembly fixed plate moves downwards and lean on connect with nitrogen blowing needle subassembly fixed plate top dead weight on the downthehole connecting piece can blow down to the connecting piece.
Further, concentrate basin, including concentrate basin cell body, the observation window, concentrate basin handle, one side of concentrate basin cell body is provided with the observation window, the upper end of observation window is provided with concentrate basin handle, the upper end opening of concentrate basin cell body, be provided with two concentrated basin test tube groups in the concentrate basin cell body, every concentrated basin test tube group is provided with 12 concentrated basin test tubes the lower part of concentrate basin test tube is provided with concentrated basin heating coil the side of concentrate basin cell body is provided with the waste liquid groove the inside of concentrate basin is provided with level sensor, concentrated basin test tube one end opening, the concentrated basin test tube other end is the tubule of shrink, the one end of the tubule of concentrate basin test tube shrink is passed level sensor, level sensor is used for detecting the liquid level in the concentrate basin test tube.
Further, concentrated basin power unit includes the removal base, the drawer base, and drawer base guide rail moves the base guide rail, and drawer base slider moves the base slider, the drawer base is located the below of concentrated basin, drawer base guide rail is fixed on the drawer base, move the base and be located the below of drawer base, the top of moving the base is provided with drawer base slider, drawer base slider with drawer base guide rail sliding connection, the user pulling concentrated basin handle, drawer base guide rail can slide on drawer base slider to pull out concentrated basin, be convenient for place concentrated basin test tube in concentrated basin, the lower terminal surface of moving the base is provided with move the base slider, move the base guide rail and set up on the bottom plate, it can remove to move the base slider on the removal base guide rail, including concentrated basin power motor, concentrated basin power motor provides power for moving the base slider and is in move on the base guide rail, thereby according to user's needs remove concentrated basin position.
Further, the application method of the solid phase extraction nitrogen blowing concentrator comprises the following steps: firstly, adopting the subassembly that loads in to sample to SPE post insert the subassembly, the subassembly that loads in takes out the sample and annotates in the SPE post, drain waste liquid, then adopt SPE post insert the subassembly to elute the SPE post, extract corresponding solvent to SPE post in, accomplish the elution of sample, set up concentrated basin at last and return to nitrogen and blow the concentration position, SPE post insert the subassembly and return to waiting for the position, nitrogen blows the needle and descends, and water bath heating is opened, when waiting that the liquid level is low to liquid level sensor sensing position, closing device, nitrogen blows the needle and returns to initial position.
The beneficial effects are that:
(1) In the nitrogen blowing lifting assembly, a T-shaped groove is formed in the nitrogen blowing needle assembly fixing plate, the T-shaped groove penetrates through the nitrogen blowing needle assembly fixing plate from the left side to the right side, the nitrogen blowing needle mounting plate is detachably clamped in the T-shaped groove, and the nitrogen blowing needle, the nitrogen blowing needle mounting plate and the electromagnetic group module are formed into a module which can be detached from the nitrogen blowing lifting assembly, so that the nitrogen blowing lifting assembly is convenient to replace; the electromagnetic valve bus plate is provided with a plurality of electromagnetic valves, and the electromagnetic valves can be opened and closed according to the working requirements so as to meet the requirements of users.
(2) The loading needle can reciprocate and horizontal migration through power unit to can sample for multiunit test tube, the test-tube rack has two-layer baffle, and two-layer baffle has guaranteed the stability of sample tube installation, prevents sample tube slope rocks, causes the sample unstable.
(3) The space that the surface of SPE post plug-in components is located between roof and the post plug-in pole slider lower plate on every the post plug-in pole is provided with spring protection mechanism, post plug-in pole lead screw nut drive the post plug-in pole slider is in move on the post plug-in pole guide rail, works as when the post plug-in pole moves to the SPE post bottommost, the post plug-in pole slider can continue to move down, post plug-in pole compression spring protection mechanism can the one section distance of upward movement, thereby prevents the post plug-in pole damages the SPE post.
(4) The liquid level sensor is arranged in the concentrated water tank assembly, and the electromagnetic valve assembly and the liquid level sensor are combined to accurately realize quantitative concentration.
(5) The device design allows for the user to process large volumes of samples.
(6) The equipment can realize the functions of solid phase extraction and nitrogen blowing concentration at the same time.
(7) The water tank cover plate can move up and down, and when nitrogen blowing concentration is carried out, the water tank cover plate covers the water tank, so that the nitrogen blowing concentration effect is optimized.
Drawings
FIG. 1 is a schematic diagram of an overall solid phase extraction nitrogen-blown concentrator apparatus;
FIG. 2 is a schematic diagram of a loading assembly;
FIG. 3 is a schematic illustration of an SPE cartridge assembly;
FIG. 4 is a schematic diagram of a nitrogen blowing lifting assembly and a concentrated tank cover plate;
FIG. 5 is a side view of a nitrogen purge lifting assembly and a concentrate tank cover plate;
FIG. 6 is a schematic diagram of a concentrate tank;
FIG. 7 is a top view of the concentrate tank power mechanism;
FIG. 8 is a schematic diagram of a concentrate tank and concentrate tank power mechanism;
Reference numerals illustrate:
1. Sample assembly 110, sample support 111, sample needle upper guide mounting plate 112, sample needle upper and lower guide mounting plate 113, sample needle slider 114, sample needle slider mounting plate 115, sample needle upper slider 116, sample needle upper slider mounting plate 117, sample needle upper and lower screw motor 118, Y-axis guide 119, sample needle front and rear motor 120, test tube rack bottom plate 121, test tube side plate 122, spacer 123, sample tube 124, sample needle 2, SPE cartridge assembly 210, column insert holder 211, column insert holder 212, column insert holder guide 213, column insert guide 214, spring protection mechanism 215, column insert lift screw motor 216, SPE cartridge 217, SPE cartridge guide 218, SPE cartridge guide 219, SPE cartridge rack 220, SPE cartridge guide movement motor 221, SPE cartridge. Component mounting side plate 222.SPE cartridge component upper mount 223.SPE cartridge slider 224.SPE cartridge holder 3. Nitrogen blowing lift component 310. Nitrogen blowing needle guide mounting plate 311. Nitrogen blowing needle guide 312. Nitrogen blowing needle slider 313. Nitrogen blowing needle mounting plate 314. Nitrogen blowing needle component mounting plate 315. Nitrogen blowing needle 316. Air pipe fitting 317. Solenoid valve support post 318. Solenoid valve support plate 319. Solenoid valve manifold 321. Nitrogen blowing needle lift lead screw motor 410. Water tank cover 411. Water tank cover guide shaft mounting block 412. Water tank cover guide shaft 413. Connecting tie rod 5. Concentrate tank 510. Concentrate tank body 511. Viewing window 512. Concentrate tank handle 513. Concentrate tank test tube 514. Concentrate tank heating coil 515. Waste tank 516. Level sensor 6. Support post 7. Concentrate tank handle 513. As shown in FIGS. Concentrate basin power unit 71, mobile base 72, drawer base 73, mobile base guide rail 74, concentrate basin power motor 8, bottom plate 9, top plate 10, solenoid valve access 11, base assembly;
the invention is further described with reference to the drawings and specific examples.
Detailed Description
The invention relates to a solid-phase extraction nitrogen blowing concentrator, which comprises a bottom plate 8, support columns 6 and a base component 11, wherein the bottom plate 8 is provided with the base component 11, a concentrated water tank component 5 is arranged above the base component 11, a nitrogen blowing lifting component 3 is arranged above the concentrated water tank component 5, an SPE column inserting component 2 is arranged behind the nitrogen blowing lifting component 3, a sample loading component 1 is arranged on the right side of the nitrogen blowing lifting component 3, 4 support columns 6 are arranged, the lower ends of two support columns 6 on the left side are vertically and fixedly connected with the bottom plate 8, the lower ends of the two support columns 6 on the right side are fixedly connected with a sample loading needle upper guide rail mounting plate 111, the sample loading component 1 comprises a sample loading needle upper guide rail mounting plate 111, a sample loading bracket 110 is vertically arranged at the lower end of the sample loading needle upper guide rail mounting plate 111, the lower end of the sample loading bracket 110 is fixedly connected with the bottom plate 8, a top plate 9 is connected with the top ends of the 4 support columns, a top plate 9 is provided with a sample loading component 1 on the right side, the top plate 9 is provided with a nitrogen blowing electromagnetic valve 10, the nitrogen blowing needle is characterized in that the nitrogen blowing electromagnetic valve is provided with a nitrogen blowing guide rail 313, a nitrogen blowing needle guide rail is provided with a nitrogen blowing guide rail 310, and a nitrogen blowing electromagnetic valve is provided with a nitrogen blowing guide rail 313, and a nitrogen blowing needle is provided with a nitrogen blowing electromagnetic valve
The nitrogen blowing needle comprises an assembly fixing plate 314, a nitrogen blowing needle 315, an air pipe joint 316, an electromagnetic valve supporting column 317, an electromagnetic valve supporting plate 318, an electromagnetic valve bus plate 319, an electromagnetic valve, a nitrogen blowing needle lifting screw motor 321 and a nitrogen blowing needle lifting screw motor nut; the nitrogen blowing needle guide rail mounting plate 310 is provided with 4 nitrogen blowing needle guide rail mounting plates 310, the top end of the nitrogen blowing needle guide rail mounting plate 310 is fixedly connected with the top disk 9, the lower end of the nitrogen blowing needle guide rail mounting plate 310 is fixedly connected with a water tank cover plate 410, the nitrogen blowing needle guide rail mounting plate 310 is fixedly connected with a nitrogen blowing needle guide rail 311, the nitrogen blowing needle guide rail 311 is slidingly connected with a nitrogen blowing needle slider 312, the nitrogen blowing needle slider 312 is fixedly connected with four corners of a nitrogen blowing needle assembly fixing plate 314, the nitrogen blowing needle assembly fixing plate 314 is provided with a T-shaped groove, the T-shaped groove penetrates from the left side of the nitrogen blowing needle assembly fixing plate 314 to the right side of the nitrogen blowing needle assembly fixing plate 314, the nitrogen blowing needle mounting plate 313 is clamped in the T-shaped groove, the nitrogen blowing needle 315 is arranged below the nitrogen blowing needle mounting plate 313, the nitrogen blowing needle 315 is two rows of electromagnetic group modules, the electromagnetic group module comprises electromagnetic supporting columns 317, electromagnetic supporting plates 318 and electromagnetic confluence plates 319, wherein the electromagnetic supporting columns 317 are fixedly arranged at the leftmost side and the rightmost side above the nitrogen blowing needle assembly fixing plate 314, the electromagnetic supporting columns 317 are two, the electromagnetic supporting plates 318 are fixedly arranged at the top ends of the electromagnetic supporting columns 317, the electromagnetic confluence plates 319 are arranged on the electromagnetic supporting plates 318, two rows of electromagnetic valves 320 are uniformly arranged on the electromagnetic confluence plates 319, each row of electromagnetic valves comprises 12 electromagnetic valves, the nitrogen blowing needles 315, the nitrogen blowing needle mounting plates 313 and the electromagnetic group module are assembled into a module which can be detached from the nitrogen blowing lifting assembly so as to be convenient for replacement, the electromagnetic valve assembly inlet and outlet 10 is arranged on the top disc 9, the electromagnetic valve assembly can pass through the electromagnetic valve assembly inlet and outlet 10, the nitrogen blowing needle lifting screw motor 321 is arranged above the top disc 9, the nitrogen blowing needle lifting screw motor nut is connected with the nitrogen blowing needle sliding block 312, and the nitrogen blowing needle lifting screw motor 321 is started and drives the nitrogen blowing needle sliding block 312 to move on the nitrogen blowing needle guide rail 311. The electromagnetic valve manifold 319 is provided with a plurality of electromagnetic valves, and the electromagnetic valves can be selectively opened and closed according to the working requirements so as to meet the requirements of users.
Further, the number of the solenoid valves 320 is 24.
Further, the loading assembly 1 comprises 4 loading brackets 110, loading assembly power mechanisms, loading test tube assemblies and loading needles 124, the top surfaces of the 4 loading brackets 110 are fixedly connected with loading needle upper layer guide rail mounting plates 111, the loading assembly power mechanisms comprise loading needle upper and lower guide rail mounting plates 112, loading needle sliding blocks 113, loading needle sliding block mounting plates 114, loading needle upper sliding blocks 115, loading needle upper and lower guide rail mounting plates 116, loading needle upper and lower screw rod motors 117, screw rod motor nuts, Y-axis guide rails 118 and loading needle front and rear motors 119, the loading needle upper and lower guide rail mounting plates 112 are arranged in parallel with the loading brackets 110, upper and lower guide rails are arranged on the loading needle upper and lower guide rail mounting plates 112, the loading needle sliding blocks 113 and the upper and lower guide rails form a guide rail moving pair, the sample loading needle slider 113 is fixed with the sample loading needle slider mounting plate 114, the sample loading needle slider mounting plate 114 is arranged above the sample loading needle slider 113, the sample loading needles 124 are mounted on the sample loading needle slider mounting plate 114, two sample loading needles 124 are arranged in parallel, the sample loading needle upper slider mounting plate 116 is fixed with the top ends of the sample loading needle upper and lower guide rail mounting plates 112, the sample loading needle upper and lower screw rod motor 117 is fixed with the sample loading needle upper slider mounting plate 116, the screw rod motor nut is fixed with the sample loading needle slider mounting plate 114, the sample loading needle upper and lower screw rod motor 117 and the screw rod motor nut form a rotary moving pair, and the rotary moving pair and the guide rail moving pair are matched to form a first moving pair, so that the upper and lower movement of the sample loading needle 124 is realized; the loading needle upper slide block mounting plate 116 is fixed with the loading needle upper slide block 115, the Y-axis guide rail 118 is mounted on the loading needle upper slide block mounting plate 111, the Y-axis guide rail 118 and the loading needle upper slide block 115 form a second moving pair, a rack is arranged on the loading needle upper slide block mounting plate 111, the loading needle upper slide block 115 is connected with the rack, the rack is connected with a gear, the gear is fixed with a loading needle front-rear motor 119, the loading needle front-rear motor 119 is fixedly connected with the loading needle upper slide block mounting plate 116, and when the loading needle front-rear motor 119 rotates, the loading needle 124 realizes left-right movement.
Further, the test tube subassembly that loads samples sets up under the upper guide rail mounting panel 111 of loading needle, the test tube subassembly that loads samples includes test-tube rack and sample tube 123, the test-tube rack that loads samples includes test-tube rack bottom plate 120, sets up test-tube rack curb plate 121 of test-tube rack bottom plate 120 both sides, two be provided with two-layer baffle 122 between the test-tube rack curb plate 121, two-layer baffle 122 parallel arrangement just with test-tube rack bottom plate 120 is parallel, correspond on the two-layer baffle 122 and be provided with a plurality of sample tube and place the hole, sample tube 123 has been placed in the sample tube place the hole, and the stability of sample tube installation has been guaranteed to the two-layer baffle, prevents sample tube slope rocks, causes the sample unstable.
Further, SPE cartridge assembly 2, which includes a cartridge assembly including cartridge 210, cartridge holder 211, cartridge slide 212, cartridge guide 213, spring protection mechanism 214, cartridge lead screw nut, cartridge elevator lead screw motor 215, and a SPE cartridge assembly including SPE cartridge 216, SPE cartridge guide 217, SPE cartridge guide 218, SPE cartridge rack 219, SPE cartridge guide movement motor 220, SPE cartridge assembly mounting side plate 221, SPE cartridge assembly upper holder 222, SPE cartridge slide, SPE column holder 224, the column inserted bar mount 211 is vertically set, column inserted bar guide rail 213 is vertically set on the column inserted bar mount 211, column inserted bar slide block 212 is movably connected on the column inserted bar guide rail 213, the column inserted bar slide block 212 can move up and down along the column inserted bar guide rail 213, the column inserted bar slide block 212 comprises column inserted bar slide block upper top plate and column inserted bar slide block lower bottom plate, the column inserted bar 210 vertically passes through the column inserted bar slide block upper top plate and column inserted bar slide block lower bottom plate, the number of the column inserted bar 210 is two, a spring protection mechanism 214 is set in the space between each column inserted bar slide block upper top plate and column inserted bar slide block lower bottom plate on the outer surface of the column inserted bar 210, One end of the column insert rod screw nut is connected with the column insert rod 210, the other end of the column insert rod screw nut is connected with the column insert rod lifting screw motor 215, the column insert rod lifting screw motor 215 and the column insert rod screw nut form a column insert rod rotating moving pair, the column insert rod screw nut drives the column insert rod sliding block 212 to move on the column insert rod guide rail 213, when the column insert rod 210 moves to the bottommost end of an SPE column, the column insert rod sliding block 212 can continuously move downwards, the column insert rod 210 compresses the spring protection mechanism to move upwards for a certain distance, and therefore the column insert rod 212 is prevented from damaging the SPE column; The bottom of the left side of the column inserting rod fixing frame 211 is fixedly connected with SPE column assembly installation side plates 221, the number of the SPE column assembly installation side plates 221 is two, the two SPE column assembly installation side plates 221 are respectively positioned at the forefront and the rearmost of the bottom of the column inserting rod fixing frame 211, the top ends of the two SPE column assembly installation side plates 221 are horizontally provided with SPE column assembly upper fixing seats 222, the column inserting rod 210 vertically passes through the SPE column assembly upper fixing seats 222, the SPE column support guide plate moving motor 220 is arranged on the SPE column assembly installation side plates 221, a plurality of SPE columns 216 are arranged on the SPE column support 224 and below the fixed seat 222 on the SPE column support, SPE column support guide plates 217 are arranged on the left side and the right side of the SPE column support 224, SPE column guide rails 218 are fixedly connected below the SPE column support guide plates 217, the SPE column guide rails 218 are connected with SPE column racks 219, the SPE column racks 219 are connected with SPE column gears, the SPE column gears are arranged on the motor shafts of the SPE column support guide plate moving motor 220, SPE column sliding blocks 223 are arranged on the fixed seat 222 on the SPE column support, SPE column slider 223 with SPE column guide 218 loose-fit connection, when SPE column 216 needs back-and-forth movement, SPE column support deflector movement motor 220 gives SPE column rack 219 provides power, SPE column rack 219 drives SPE column guide 218 is along SPE column slider 223 back-and-forth movement, thereby drives SPE column support 224 moves, and the SPE column that sets up in SPE column support 224 realizes back-and-forth movement.
Further, a sink cover 410, a sink cover guide shaft mounting block 411, a sink cover guide shaft 412, and a connecting tie rod 413; the utility model provides a nitrogen blowing needle guide rail mounting plate, including basin apron guiding axle mounting block 411, basin apron guiding axle mounting block 411 has four, basin apron guiding axle mounting block 411 with nitrogen blows the lower extreme fixed connection of nitrogen blowing needle guide rail mounting plate 310, basin apron guiding axle 412 one end and basin apron guiding axle mounting block 411 fixed connection, the basin apron guiding axle 412 other end is connected with basin apron 410, connect pull rod 413 one end perpendicular pass nitrogen blowing needle subassembly fixed plate 314, connect the pull rod 413 other end perpendicular fixation on basin apron 410, connect the pull rod 413 to be located the top of nitrogen blowing needle subassembly fixed plate 314 has the connection pull rod nut, be provided with the boss on the connection pull rod nut, the boss can with the setting that connects pull rod 413 passed is in the downthehole connecting piece cooperation connection on nitrogen blowing needle subassembly fixed plate 314, thereby make nitrogen blowing needle subassembly fixed plate 314 can drive when upwards moving, connect pull rod 413 upwards movement drive basin apron 410 upwards movement, the basin apron can be under the effect of connecting pull rod 314 and can be by means of connecting the pull rod 314 and can blow needle subassembly under the effect under the dead weight of connecting the pull rod 314 and can blow needle subassembly under the dead weight of the dead-weight and move to the connecting plate 410.
Further, concentrate basin 5, including concentrate basin cell body 510, observation window 511, concentrate basin handle 512, one side of concentrate basin cell body 510 is provided with observation window 511, the upper end of observation window 511 is provided with concentrate basin handle 512, the upper end opening of concentrate basin cell body 510, be provided with two concentrated basin test tube groups in the concentrate basin cell body 510, every concentrated basin test tube group of being provided with 12 concentrate basin test tubes 513 the lower part of concentrate basin test tube 513 is provided with concentrate basin heating coil 514 one side of concentrate basin cell body 510 is provided with waste liquid groove 515 the inside of concentrate basin is provided with level sensor 516, concentrate basin test tube 513 one end opening. The other end of the concentrated water tank test tube 513 is a contracted thin tube, one end of the contracted thin tube of the concentrated water tank test tube 513 passes through the liquid level sensor 516, and the liquid level sensor 516 is used for detecting the liquid level in the concentrated water tank test tube 513.
Further, the concentrated water tank power mechanism 7 comprises a movable base 71, a drawer base 72, a drawer base guide rail, a movable base guide rail 73, a drawer base slider and a movable base slider, wherein the drawer base is positioned below the concentrated water tank, the drawer base guide rail is fixed on the drawer base, the movable base 71 is positioned below the drawer base 72, the drawer base slider is arranged above the movable base 71, the drawer base slider is slidably connected with the drawer base guide rail, a user pulls the concentrated water tank handle 512, the drawer base guide rail can slide on the drawer base slider so as to pull out the concentrated water tank, the concentrated water tank test tube 513 is conveniently placed in the concentrated water tank, the lower end surface of the movable base is provided with the movable base slider, the movable base guide rail 73 is arranged on the bottom plate 8, the movable base slider can move on the movable base guide rail 73, the movable base slider comprises a concentrated water tank power motor 74, the concentrated water tank power motor 74 provides power for the movable base slider, and the movable base slider is driven to move on the movable base guide rail 73, so that the concentrated water tank can be moved according to the needs of the user.
Further, adopt the subassembly that applies sample to SPE post insert the subassembly and apply sample, the subassembly that applies sample is taken out and is annotated in the SPE post, and the waste liquid is discharged, then adopts the SPE post insert the subassembly to carry out elution to the SPE post, and the corresponding solvent of extraction is in the SPE post, accomplishes the elution of sample, sets up concentrated basin at last and blows the concentration position to nitrogen, the SPE post insert the subassembly and returns to waiting the position, and the nitrogen blows the needle slowly to descend, along with nitrogen blows needle subassembly downstream, the basin apron covers concentrated basin, the water in the concentrated basin heating coil heating basin, along with concentrated basin test tube collection liquid concentration reduces, and the liquid level constantly descends the liquid level sensor downwards and senses the high being less than of liquid level and respond to the height, produces signal transmission and gives the controller, through switch electromagnetic valves, when the break-make that control nitrogen blows the needle is waited liquid level to liquid level sensor to respond to the position, closing device, the nitrogen blows the needle returns to initial position.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present invention or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, which are also within the scope of the present invention.
Claims (7)
1. The utility model provides a solid-phase extraction nitrogen blows concentrator, its includes bottom plate (8), pillar (6), base subassembly (11), be provided with on bottom plate (8) base subassembly (11), the top of base subassembly (11) is provided with concentrated water tank subassembly (5), and the top of concentrated water tank subassembly (5) is provided with nitrogen and blows lifting unit (3), and the rear of nitrogen and blow lifting unit (3) is provided with SPE post and inserts subassembly (2), the right-hand sample subassembly (1) that is provided with of nitrogen and blow lifting unit (3), pillar (6) are 4, wherein the lower extreme of two pillars (6) of left side with bottom plate (8) perpendicular fixed connection, Wherein the lower ends of the two struts (6) on the right side are fixedly connected with a loading needle upper layer guide rail mounting plate (111), the loading assembly (1) comprises a loading needle upper layer guide rail mounting plate (111), a loading bracket (110) is vertically arranged at the lower end of the loading needle upper layer guide rail mounting plate (111), the lower ends of the loading brackets (110) are fixedly connected with the bottom plate (8), the top ends of the 4 struts are connected with a top plate (9), an electromagnetic valve assembly inlet and outlet (10) is arranged on the top plate (9), the nitrogen blowing lifting assembly (3) comprises a nitrogen blowing needle guide rail mounting plate (310) and a nitrogen blowing needle guide rail (311), The nitrogen blowing needle comprises a nitrogen blowing needle sliding block (312), a nitrogen blowing needle mounting plate (313), a nitrogen blowing needle assembly fixing plate (314), a nitrogen blowing needle (315), an air pipe joint (316), an electromagnetic valve supporting column (317), an electromagnetic valve supporting plate (318), an electromagnetic valve bus plate (319), an electromagnetic valve, a nitrogen blowing needle lifting screw motor (321) and a nitrogen blowing needle lifting screw motor nut; The nitrogen blowing needle guide rail mounting plate (310) is provided with 4, the top end of the nitrogen blowing needle guide rail mounting plate (310) is fixedly connected with the top disc (9), the lower end of the nitrogen blowing needle guide rail mounting plate (310) is fixedly connected with the water tank cover plate (410), the nitrogen blowing needle guide rail mounting plate (310) is fixedly connected with the nitrogen blowing needle guide rail (311), the nitrogen blowing needle guide rail (311) is slidingly connected with the nitrogen blowing needle sliding block (312), the nitrogen blowing needle sliding block (312) is fixedly connected with four corners of the nitrogen blowing needle assembly fixing plate (314), the nitrogen blowing needle assembly fixing plate (314) is provided with a T-shaped groove, The T-shaped groove penetrates from the left side of the nitrogen blowing needle assembly fixing plate (314) to the right side of the nitrogen blowing needle assembly fixing plate, the nitrogen blowing needle mounting plate (313) is clamped in the T-shaped groove, the nitrogen blowing needles (315) are arranged below the nitrogen blowing needle mounting plate (313), the nitrogen blowing needles (315) are arranged in two rows, the electromagnetic group module comprises electromagnetic valve supporting columns (317), electromagnetic valve supporting plates (318) and electromagnetic valve bus plates (319), the electromagnetic valve supporting columns (317) are fixedly arranged at the leftmost side and the rightmost side above the nitrogen blowing needle assembly fixing plate (314), the electromagnetic valve supporting columns (317) are arranged in two rows, The top of the electromagnetic valve supporting column (317) is fixedly provided with the electromagnetic valve supporting plate (318), the electromagnetic valve supporting plate (318) is provided with the electromagnetic valve confluence plate (319), the electromagnetic valve confluence plate (319) is uniformly provided with two rows of electromagnetic valves (320), each row of electromagnetic valves comprises 12 electromagnetic valves, the nitrogen blowing needle (315), the nitrogen blowing needle mounting plate (313) and the electromagnetic group module are formed into a module, the module can be detached from the nitrogen blowing lifting assembly, thereby being convenient to replace, the top disc (9) is provided with the electromagnetic valve assembly inlet and outlet (10), the electromagnetic valve assembly can penetrate through the electromagnetic valve assembly inlet and outlet (10), The nitrogen blowing needle lifting screw motor (321) is arranged above the top disc (9), a nitrogen blowing needle lifting screw motor nut is connected with the nitrogen blowing needle sliding block (312), the nitrogen blowing needle lifting screw motor (321) is started and drives the nitrogen blowing needle sliding block (312) to move on the nitrogen blowing needle guide rail (311), a plurality of electromagnetic valves are arranged on the electromagnetic valve bus plate (319), and the electromagnetic valves can be selectively opened and closed according to the working requirement so as to meet the user requirement;
The number of the electromagnetic valves (320) is 24;
The sampling assembly (1) comprises 4 sampling brackets (110), a sampling assembly power mechanism, a sampling test tube assembly and sampling needles (124), the top surface of the 4 sampling brackets (110) is fixedly connected with a sampling needle upper layer guide rail mounting plate (111), the sampling assembly power mechanism comprises a sampling needle upper layer guide rail mounting plate (112), a sampling needle sliding block (113), a sampling needle sliding block mounting plate (114), a sampling needle sliding block (115), a sampling needle sliding block mounting plate (116), a sampling screw motor (117), a screw motor nut, a Y-axis guide rail (118), a sampling needle front-rear motor (119), the sampling needle upper layer guide rail mounting plate (112) and the sampling brackets (110) are arranged in parallel, the sampling needle upper layer guide rail mounting plate (112) is provided with an upper guide rail and a lower guide rail, the sampling needle sliding block (113) and the upper guide rail lower guide rail form a guide rail moving pair, the sampling needle sliding block (113) and the sampling needle sliding block mounting plate (114) are fixed together, the sampling needles (113) and the sampling needle sliding block (114) are arranged above the sampling needle sliding block mounting plate (114), the sampling needles (124) are arranged above the sampling needle sliding block (114) and are parallel to the sampling bracket (110), the upper and lower screw rod motor (117) of the sample loading needle is fixed with the upper slide block mounting plate (116) of the sample loading needle, the screw rod motor nut is fixed with the upper slide block mounting plate (114) of the sample loading needle, the upper and lower screw rod motor (117) of the sample loading needle and the screw rod motor nut form a rotary moving pair, and the rotary moving pair and the guide rail moving pair are matched to form a first moving pair, so that the upper and lower movement of the sample loading needle (124) is realized; the utility model provides a sample application needle upper slide mounting board (116) with sample application needle upper slide (115) is fixed together, and Y axle guide rail (118) are installed sample application needle upper slide mounting board (111) is last, Y axle guide rail (118) with sample application needle upper slide (115) constitute the second and move the pair, be provided with the rack on sample application needle upper slide mounting board (111), sample application needle upper slide (115) with rack connection, rack and gear connection, the gear with motor (119) are together fixed around the sample application needle, motor (119) around the sample application needle with sample application needle upper slide mounting board (116) fixed connection, when motor (119) rotate around the sample application needle, sample application needle (124) realize controlling the removal.
2. The solid phase extraction nitrogen blowing concentrator of claim 1, wherein: the utility model provides a sample loading test tube subassembly sets up under loading needle upper guide rail mounting panel (111), loading test tube subassembly includes loading test-tube rack and sample test tube (123), loading test-tube rack includes test-tube rack bottom plate (120), sets up test-tube rack curb plate (121) of test-tube rack bottom plate (120) both sides, two be provided with two-layer baffle (122) between test-tube rack curb plate (121), two-layer baffle (122) parallel arrangement and with test-tube rack bottom plate (120) are parallel, correspond on two-layer baffle (122) and be provided with a plurality of sample test tube placement holes, sample test tube (123) are placed in the sample test tube placement hole, and two-layer baffle has guaranteed the stability of sample test tube installation, prevent sample test tube slope rocks, causes the sample unstable.
3. The solid phase extraction nitrogen blowing concentrator of claim 1, wherein: SPE cartridge assembly 2, it includes post inserted bar assembly and SPE cartridge assembly, post inserted bar assembly includes post inserted bar (210), post inserted bar mount (211), post inserted bar slider (212), post inserted bar guide rail (213), spring protection mechanism (214), post inserted bar screw nut, post inserted bar lift screw motor (215), SPE cartridge assembly includes SPE post (216), SPE cartridge guide plate (217), SPE cartridge guide rail (218), SPE cartridge rack (219), SPE column holder deflector mobile motor (220), SPE column component installation curb plate (221), SPE column component upper fixing base (222), SPE column slider, SPE column holder (224), column inserted bar mount (211) vertical setting, column inserted bar guide rail (213) are vertically provided with on column inserted bar mount (211), swing joint has column inserted bar slider (212) on column inserted bar guide rail (213), column inserted bar slider (212) can follow column inserted bar guide rail (213) reciprocates, column inserted bar slider (212) include column inserted bar slider upper roof and column inserted bar slider lower plate, The column inserting rods (210) vertically penetrate through an upper top plate of the column inserting rod sliding block and a lower bottom plate of the column inserting rod sliding block, the number of the column inserting rods (210) is two, a spring protection mechanism (214) is arranged in a space between the upper top plate of the column inserting rod sliding block and the lower bottom plate of the column inserting rod sliding block on the outer surface of each column inserting rod (210), one end of each column inserting rod screw nut is connected with the column inserting rod (210), the other end of each column inserting rod screw nut is connected with a column inserting rod lifting screw motor (215), the column inserting rod lifting screw motor (215) and the column inserting rod screw nuts form a column inserting rod rotary moving pair, the column inserting rod screw nuts drive the column inserting rod sliding blocks (212) to move on the column inserting rod guide rails (213), When the column inserting rod (210) moves to the bottommost end of the SPE column, the column inserting rod sliding block (212) can move downwards continuously, the column inserting rod (210) compresses the spring protection mechanism to move upwards for a certain distance, and therefore the column inserting rod (212) is prevented from damaging the SPE column; The left bottom end of the column inserting rod fixing frame (211) is fixedly connected with SPE column assembly installation side plates (221), the number of the SPE column assembly installation side plates (221) is two, the two SPE column assembly installation side plates (221) are respectively positioned at the forefront and the rearmost of the bottom ends of the column inserting rod fixing frame (211), the top ends of the two SPE column assembly installation side plates (221) are horizontally provided with SPE column assembly upper fixing seats (222), the column inserting rods (210) vertically penetrate through the SPE column assembly upper fixing seats (222), the SPE column assembly guide plate moving motor (220) is arranged on the SPE column assembly installation side plates (221), A plurality of SPE columns (216) are arranged on the SPE column support (224) below the fixed seat (222) on the SPE column component, SPE column support guide plates (217) are arranged on the left side and the right side of the SPE column support (224), SPE column guide rails (218) are fixedly connected below the SPE column support guide plates (217), the SPE column guide rails (218) are connected with SPE column racks (219), the SPE column racks (219) are connected with SPE column gears, the SPE column gears are arranged on the motor shaft of the SPE column support guide plate moving motor (220), Install SPE post slider (223) on fixing base (222) on the SPE post subassembly, SPE post slider (223) with SPE post guide rail (218) movable fit is connected, when SPE post (216) need back-and-forth movement, SPE post guide plate movable motor (220) give SPE post rack (219) provides power, SPE post rack (219) drive SPE post guide rail (218) are along SPE post slider (223) back-and-forth movement, thereby drive SPE post holder (224) motion, the SPE post of setting in SPE post holder (224) realizes back-and-forth movement.
4. The solid phase extraction nitrogen blowing concentrator of claim 1, wherein: a sink cover (410), a sink cover guide shaft mounting block (411), a sink cover guide shaft (412), and a connecting rod (413); the utility model discloses a nitrogen blowing needle assembly fixing plate, including a trough cover plate guide shaft mounting block (411), trough cover plate guide shaft mounting block (411) and nitrogen are blown the lower extreme fixed connection of nitrogen blowing needle guide rail mounting plate (310), trough cover plate guide shaft (412) one end and trough cover plate guide shaft mounting block (411) fixed connection, trough cover plate guide shaft (412) other end and trough cover plate (410) are connected, connecting pull rod (413) one end vertically passes nitrogen blowing needle assembly fixed plate (314), connecting pull rod (413) other end is fixed perpendicularly on trough cover plate (410), connecting pull rod (413) are located the top of nitrogen blowing needle assembly fixed plate (314) has connecting pull rod nut, be provided with the boss on the connecting pull rod nut, the boss can with connecting pull rod (413) pass the downthehole connecting piece cooperation of setting on nitrogen blowing needle assembly fixed plate (314), thereby make nitrogen blowing needle assembly fixed plate (314) can drive connecting pull rod (413) when upwards moving, connecting pull rod (314) upwards and can be connected with the connecting needle assembly (314) and can be connected with the fixed connection needle assembly (314) and can be separated upwards by the connecting pull rod (314) and the upward movement of connecting needle assembly (314), the sink deck (410) is capable of moving downwardly by its own weight.
5. The solid phase extraction nitrogen blowing concentrator of claim 1, wherein: concentrate water tank subassembly (5), including concentrate basin cell body (510), observation window (511), concentrate basin handle (512), one side of concentrate basin cell body (510) is provided with observation window (511), the upper end of observation window (511) is provided with concentrate basin handle (512), the upper end opening of concentrate basin cell body (510), be provided with two concentrated basin test tube groups in concentrate basin cell body (510), every concentrated basin test tube group is provided with 12 concentrated basin test tubes (513) the lower part of concentrated basin test tube (513) is provided with concentrated basin heating coil (514) one side of concentrate basin cell body (510) is provided with waste liquid groove (515) the inside of concentrate basin is provided with liquid level sensor (516), concentrated basin test tube (513) one end opening, the other end of concentrated basin test tube (513) is the tubule of shrink, the one end of the tubule of concentrate basin test tube (513) is passed liquid level sensor (516), liquid level sensor (516) are used for detecting in the concentrated basin (513) liquid level height.
6. The solid phase extraction nitrogen-blown concentrator of claim 5, wherein: including concentrated basin power unit (7), concentrated basin power unit (7) including removing base (71), drawer base (72), drawer base guide rail, remove base guide rail (73), drawer base slider, remove the base slider, the drawer base is located the below of concentrated basin, drawer base guide rail is fixed on the drawer base, remove base (71) are located the below of drawer base (72), the top of removing base (71) is provided with drawer base slider, drawer base slider with drawer base guide rail sliding connection, the user pulling concentrated basin handle (512), drawer base guide rail can slide on drawer base slider in order to pull out concentrated basin, be convenient for place concentrated basin test tube (513) in concentrated basin, the lower terminal surface of removing the base is provided with remove the base slider, remove base guide rail (73) set up on bottom plate (8), remove the base slider can be in remove on remove base guide rail (73), including concentrated basin power motor (74), concentrated basin motor (74) are concentrated basin handle (512), thereby the concentrated basin of removal guide rail (73) is in the removal position according to the required removal power of concentrated basin.
7. The method for using the solid phase extraction nitrogen-blowing concentrator of claim 5, which comprises the following steps: firstly, sample loading is carried out on an SPE column inserting component (2) by adopting a sample loading component (1), the sample loading component (1) pumps and injects a sample into the SPE column, waste liquid is discharged, then the SPE column inserting component (2) is adopted to elute the SPE column, corresponding solvents are extracted into the SPE column, elution of the sample is completed, a concentrated water tank is finally arranged to return to a nitrogen blowing concentration position, the SPE column inserting component (2) is retracted to a waiting position, a nitrogen blowing needle is lowered, water bath heating is started, when the liquid level is lowered to a sensing position of a liquid level sensor, a device is closed, and the nitrogen blowing needle returns to an initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011563282.8A CN112485098B (en) | 2020-12-25 | 2020-12-25 | Solid phase extraction nitrogen blows concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011563282.8A CN112485098B (en) | 2020-12-25 | 2020-12-25 | Solid phase extraction nitrogen blows concentrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112485098A CN112485098A (en) | 2021-03-12 |
| CN112485098B true CN112485098B (en) | 2024-07-30 |
Family
ID=74915603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011563282.8A Active CN112485098B (en) | 2020-12-25 | 2020-12-25 | Solid phase extraction nitrogen blows concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112485098B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544846B (en) * | 2022-02-24 | 2023-01-31 | 河海大学 | Resistance gene research method under influence of tide in coastal region and solid phase extraction instrument |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214309829U (en) * | 2020-12-25 | 2021-09-28 | 湖北鼎泰高科有限公司 | Solid phase extraction nitrogen blows concentrator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209387599U (en) * | 2019-01-18 | 2019-09-13 | 河南师范大学 | A kind of Solid Phase Extraction nitrogen blowing apparatus |
-
2020
- 2020-12-25 CN CN202011563282.8A patent/CN112485098B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214309829U (en) * | 2020-12-25 | 2021-09-28 | 湖北鼎泰高科有限公司 | Solid phase extraction nitrogen blows concentrator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112485098A (en) | 2021-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112485098B (en) | Solid phase extraction nitrogen blows concentrator | |
| CN112924266B (en) | Column insert and nitrogen blowing assembly of solid phase extraction nitrogen blowing concentrator | |
| CN115389274A (en) | Water body positioning and collecting device and method for water quality detection | |
| CN112697568B (en) | Nitrogen blowing component of solid-phase extraction nitrogen blowing concentrator | |
| CN103992940A (en) | Instrument for extracting bioactive substance | |
| CN214309829U (en) | Solid phase extraction nitrogen blows concentrator | |
| CN215115475U (en) | Sample loading, column inserting and nitrogen blowing assembly of solid-phase extraction nitrogen blowing concentrator | |
| CN112683620B (en) | Sample loading, column inserting and nitrogen blowing assembly of solid-phase extraction nitrogen blowing concentrator | |
| CN112504805B (en) | Nitrogen blowing and water tank assembly of solid-phase extraction nitrogen blowing concentrator | |
| CN116380604A (en) | Medical examination blood cell staining device and application method thereof | |
| CN209311184U (en) | All-in-one machine is dyed in film-making | |
| CN203855572U (en) | Instrument for extracting active substance of organisms | |
| CN215179099U (en) | Nitrogen of solid phase extraction nitrogen-blowing concentrator blows and basin case subassembly | |
| CN214309828U (en) | Sample loading assembly of solid-phase extraction nitrogen blowing concentrator | |
| CN215115474U (en) | Water tank assembly of solid-phase extraction nitrogen blowing concentrator | |
| CN108896375B (en) | Full-automatic heavy metal separation enrichment extraction appearance | |
| CN112692016B (en) | Glass container cleaning equipment for medical treatment | |
| CN214485740U (en) | Automatic positive-pressure column passing device for solid-phase extraction column | |
| CN109297793A (en) | All-in-one machine is dyed in film-making | |
| CN115266244A (en) | Portable investigation sampling device for river sediment | |
| CN115353964A (en) | Stream type magnetic separation assembly | |
| CN216826309U (en) | Instrument placing table for pharmaceutical chemical experiment | |
| CN114891634A (en) | Automatic cell culture equipment | |
| CN221889229U (en) | Positive pressure filtering and nitrogen blowing equipment for mass spectrum pretreatment | |
| CN220609346U (en) | Filtering treatment device before solid phase extraction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |