CN208847543U - Extract the device of volatile materials in water - Google Patents
Extract the device of volatile materials in water Download PDFInfo
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- CN208847543U CN208847543U CN201821495720.XU CN201821495720U CN208847543U CN 208847543 U CN208847543 U CN 208847543U CN 201821495720 U CN201821495720 U CN 201821495720U CN 208847543 U CN208847543 U CN 208847543U
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- helium
- volatile materials
- water sample
- trap
- inner tube
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000000463 material Substances 0.000 title claims abstract description 56
- 239000001307 helium Substances 0.000 claims abstract description 55
- 229910052734 helium Inorganic materials 0.000 claims abstract description 55
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000010992 reflux Methods 0.000 claims abstract description 22
- 238000009833 condensation Methods 0.000 claims abstract description 16
- 230000005494 condensation Effects 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 13
- 210000003739 neck Anatomy 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000012809 cooling fluid Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000010813 municipal solid waste Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 231100000419 toxicity Toxicity 0.000 abstract description 8
- 230000001988 toxicity Effects 0.000 abstract description 8
- 238000000605 extraction Methods 0.000 abstract description 6
- 238000005273 aeration Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- 239000012071 phase Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000005660 chlorination reaction Methods 0.000 description 3
- 238000002414 normal-phase solid-phase extraction Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical group ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- NDSBDLSWTGLNQA-UHFFFAOYSA-N Dibromoacetonitrile Chemical compound BrC(Br)C#N NDSBDLSWTGLNQA-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- DIKBFYAXUHHXCS-UHFFFAOYSA-N bromoform Chemical compound BrC(Br)Br DIKBFYAXUHHXCS-UHFFFAOYSA-N 0.000 description 2
- 231100000135 cytotoxicity Toxicity 0.000 description 2
- 230000003013 cytotoxicity Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 231100000167 toxic agent Toxicity 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical group N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- FMWLUWPQPKEARP-UHFFFAOYSA-N bromodichloromethane Chemical compound ClC(Cl)Br FMWLUWPQPKEARP-UHFFFAOYSA-N 0.000 description 1
- 229950005228 bromoform Drugs 0.000 description 1
- -1 chloroethenes Nitrile Chemical class 0.000 description 1
- 231100000263 cytotoxicity test Toxicity 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- IHUREIPXVFKEDT-UHFFFAOYSA-N dibromo(dichloro)methane Chemical compound ClC(Cl)(Br)Br IHUREIPXVFKEDT-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 210000002149 gonad Anatomy 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000012502 risk assessment Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The device of volatile materials in a kind of extraction water, the device includes aerating system, condensing reflux system and trapping cold-trap system, the aerating system, the condensing reflux system and the trapping cold-trap system are in turn connected to form access, the aerating system is for being passed through helium in the water sample containing volatile materials, the property of will volatilize substance is from water phase stripping to gas phase, the condensing reflux system is used to for the vapor come out with helium together stripping being condensed back in the water sample, the volatile materials come out by stripping then enters the trapping cold-trap system with helium, the nuclei of condensation are provided in the trapping cold-trap system, the volatile materials come out for collecting capture by stripping.Volatile materials stripping in water sample can effectively be come out and pass through trapping cold-trap by the utility model collects these volatile materials.It can use the risk of toxicity for the volatile materials that the utility model is effectively assessed in water sample.
Description
Technical field
The utility model relates to water treatment field, specifically a kind of device for extracting volatile materials in water.
Background technique
There are a variety of volatile materials in industrial wastewater, sanitary sewage.Meanwhile in order to ensure drinking water water supply security, work
Industry discharge of wastewater safety and reduction reclaimed water reuse risk, during water process, commonly using oxidation/disinfection etc.
Reason method.Some toxic volatile materials are generated however, not can avoid during processing.Currently, for assessing water sample poison
Property, the sample-pretreating method taken can not be collected into volatile materials.For example, Solid Phase Extraction is enrichment water sample and its warp
The common pre-treating method of product is generated after the processing such as peroxidating/disinfection, however, in the process by solid phase extraction concentration sample
In, nitrogen, which is blown, can lose most of volatile product (haloform etc.), cause Toxicity of Water Samples risk assessment relatively low.
In order to assess the toxicity of volatile materials in water sample, drinking water, the safety of recycled water after processing are ensured, and
The risk of toxicity for reducing industrial wastewater needs device appropriate and effectively collects volatile materials in water sample, so as to it
Risk of toxicity makes assessment.
Utility model content
The main purpose of the utility model is to overcome the deficiencies in the prior art, volatile materials in a kind of extraction water is provided
Device.
To achieve the above object, the utility model uses following technical scheme:
The device of volatile materials in a kind of extraction water, including aerating system, it is condensed back system and trapping cold-trap system,
The aerating system, the condensing reflux system and the trapping cold-trap system are in turn connected to form access, the aerating system
For being passed through helium in the water sample containing volatile materials, the property of will volatilize substance is described to be condensed back to from water phase stripping to gas phase
Streaming system is used to for the vapor come out with helium together stripping being condensed back in the water sample, the volatility come out by stripping
Substance then enters the trapping cold-trap system with helium, is provided with the nuclei of condensation in the trapping cold-trap system, for collecting capture
The volatile materials come out by stripping.
Preferably, the aerating system includes the heating device for heating the water sample.
Preferably, the aerating system includes the agitating device for stirring the water sample.
Preferably, the agitating device is constant temperature blender with magnetic force.
Preferably, the aerating system includes the three-necked bottle for holding water sample, wherein a neck is for being passed through helium, it is another
Neck is for being connected to the condensing reflux system, and third neck is for being arranged temperature sensor.
Preferably, the aerating system includes the flowmeter for monitoring the charge flow rate of helium.
Preferably, the helium gas flow of the aerating system input is controlled in 0.2L/min-1L/min, the mixing control of water sample
Speed is controlled in 600-1000rmp, the temperature of water sample at 24-40 DEG C.
Preferably, the condensing reflux system includes condenser pipe, helium transfer tube and low-temperature cooling fluid circulating pump, described
The both ends of helium transfer tube are separately connected the aerating system and the trapping cold-trap system, and the condenser pipe covers in a sealing fashion
Outside the helium transfer tube, the cooling passage for surrounding the helium transfer tube is formed, the low-temperature cooling fluid circulating pump is used
In entering coolant recirculation pump in the cooling passage, keep the vapor in the helium transfer tube cold by the coolant liquid
It is solidifying to flow back into the water sample.
Preferably, the helium transfer tube is spiral element.
Preferably, the condensing reflux system controls cooling temperature at 0 DEG C or so.
Preferably, the trapping cold-trap system includes inner tube and covers the outer tube outside said inner tube in a sealing fashion, described
The nuclei of condensation are placed between inner tube and the outer tube, said inner tube is connected to the condensing reflux system, and said inner tube is described outer
The inside of pipe is connected to the outer tube, and the outer tube is equipped with helium exit passageway.
Preferably, the bottom seal of said inner tube, and said inner tube is equipped on the peripheral wall close to the bottom and uniformly divides
The aperture of cloth.
Preferably, the outer tube is arranged in the liquid nitrogen filling equipped with liquid nitrogen.
Preferably, the nuclei of condensation are to be filled in trash ice between said inner tube and the outer tube.
The utility model has the following beneficial effects:
The utility model provides a kind of device for extracting volatile materials in water, can generate after water process to water sample
Volatile materials is collected, and is convenient for toxicity assessment.The device of the utility model includes aerating system, condensing reflux system
With trapping cold-trap system, the aerating system, the condensing reflux system and the trapping cold-trap system are in turn connected to form logical
Road, when work, helium is passed through in the water sample containing volatile materials by the aerating system, and the property of will volatilize substance is from water phase stripping
To gas phase, the vapor come out with helium together stripping is condensed back in the water sample, is blown by the condensing reflux system
The volatile materials taken off then enters the trapping cold-trap system with helium, is received by the nuclei of condensation in the trapping cold-trap system
The volatile materials that collection capture is come out by stripping.The utility model can effectively blow the volatile materials in water sample as a result,
It takes off and passes through trapping cold-trap and collect these volatile materials.It can use the present apparatus and effectively assess water sample in the mistake of processing
The risk of toxicity of the volatile materials generated in journey.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the volatile materials extraction element of embodiment of the utility model.
Fig. 2 is outer tube, inner tube and its assembling schematic diagram of the trapping cold-trap in a kind of embodiment of the utility model.
Fig. 3 is the arresting efficiency figure that a kind of embodiment trapping of the utility model makes an addition to the volatile materials in water sample.
Fig. 4 is the stripping part accounting that a kind of embodiment trapping of the utility model makes an addition to the volatile materials in water sample
Figure.
Fig. 5 is the volatile toxic substance that a kind of embodiment of the utility model traps that sewage generates after processing, and by its
Carry out toxotest, obtained cytotoxicity dosage-effect curve figure.
Chief component symbol description:
Specific embodiment
It elaborates below to the embodiments of the present invention.It is emphasized that following the description is only example
Property, rather than in order to limit the scope of the utility model and its application.
Refering to fig. 1 and Fig. 2, in one embodiment, a kind of device extracting volatile materials in water, including aeration system
System is condensed back system and trapping cold-trap system, the aerating system, the condensing reflux system and the trapping cold-trap system
It is in turn connected to form access, the aerating system is for being passed through helium in the water sample containing volatile materials, the property of will volatilize object
From water phase stripping to gas phase, the condensing reflux system is used to for the vapor come out with helium together stripping being condensed back to matter
In the water sample, the volatile materials come out by stripping then enters the trapping cold-trap system, the trapping cold-trap system with helium
The nuclei of condensation are provided in system, the volatile materials come out for collecting capture by stripping.
In a preferred embodiment, the aerating system includes the heating device for heating the water sample.
In a preferred embodiment, the aerating system includes the agitating device for stirring the water sample.By described
Agitating device stirs water sample, and water sample is made adequately to be mixed and be aerated.
Refering to fig. 1, in a more preferred embodiment, the agitating device is constant temperature blender with magnetic force 2.Temperature constant magnetic stirring
Device 2 can be used for stirring and heating water sample, and volatile materials is made to be easier to be come out by stripping.
Refering to fig. 1, in a preferred embodiment, the aerating system includes the three-necked bottle 4 for holding water sample, three-necked bottle
4 neck is for being passed through helium, and another neck is for being connected to the condensing reflux system, and third neck is for being arranged temperature sensor 3.
In a preferred embodiment, the aerating system includes the flowmeter for monitoring the charge flow rate of helium.Flow
Meter may be provided on the helium air inlet 1 of three-necked bottle, for the flow of air inlet 1 to be monitored and controlled.
In a preferred embodiment, the helium gas flow of the aerating system input is controlled in 0.2L/min-1L/min, water sample
Mixing control speed in 600-1000rmp, the temperature of water sample is controlled at 24-40 DEG C.At normal atmospheric pressure, the boiling point of water is
100 DEG C, when water is below boiling point, water can also slowly flash to vapor.
Refering to fig. 1, in a preferred embodiment, the condensing reflux system includes condenser pipe 6, helium transfer tube and low
Warm coolant recirculation pump 5, the both ends of the helium transfer tube are separately connected the aerating system and the trapping cold-trap system, institute
It states condenser pipe 6 to cover in a sealing fashion outside the helium transfer tube, forms the cooling passage for surrounding the helium transfer tube, institute
Low-temperature cooling fluid circulating pump 5 is stated for entering coolant recirculation pump in the cooling passage, is made by the coolant liquid described
Vapor in helium transfer tube is condensed back in the water sample.
Refering to fig. 1, helium transfer tube passes through the connection trapping cold-trap system of connecting tube 7.In a preferred embodiment, the helium
Gas transfer tube uses spiral element.
In a preferred embodiment, the condensing reflux system controls cooling temperature at 0 DEG C or so, is effectively condensed back
The vapor produced by boasting with helium.
Referring to Fig.2, in a preferred embodiment, the trapping cold-trap system includes inner tube 11 and is covered in a sealing fashion in institute
The outer tube 10 outside inner tube 11 is stated, the nuclei of condensation are placed between said inner tube 11 and the outer tube 10, said inner tube 11 is connected to described
Condensing reflux system, said inner tube 11 are connected in the inside of the outer tube 10 with the outer tube 10, and the outer tube 10 is equipped with helium
Exit passageway.
Referring to Fig.2, in a more preferred embodiment, the bottom seal of said inner tube 11, and said inner tube 11 is close to institute
The peripheral wall for stating bottom is equipped with equally distributed aperture.
In a preferred embodiment, the nuclei of condensation are to be filled in trash ice between said inner tube 11 and the outer tube 10.
Refering to fig. 1, in a preferred embodiment, the outer tube is arranged in liquid nitrogen container 8, immerses in liquid nitrogen, so that described
Trapping cold-trap system collects volatile materials at low ambient temperatures.
In a specific embodiment, aerating system is adopted using the 2L three-necked bottle for holding water sample, the trapping cold-trap system
With inner and outer pipe structure, outer pipe outside diameter 29mm, height 330mm, outer tube is equipped with helium exit passageway, inner tube top half internal diameter
8mm, length 50mm, middle section internal diameter 14mm, length 165mm, lower half portion internal diameter 10mm, length 150mm, inner tube top is set
There is rubber plug, for sealing the junction of inner and outer tubes, guarantees that the air-tightness of cold-trap, bottom of inner tube are sealed, but around uniformly
Punching, makes helium uniform air distribution.Trash ice is filled between inner and outer pipe as the nuclei of condensation, packing volume 10-15mL, for trapping
The volatile materials produced by boasting by helium.
The method of volatile materials, can be used the volatile materials extraction element of aforementioned any embodiment in a kind of extraction water
Extract the volatile materials in water.
In certain embodiments, volatile materials collection device includes air inlet 1, constant temperature blender with magnetic force 2, temperature
Sensor 3, the three-necked bottle 4 of 2L, low-temperature cooling fluid circulating pump 5, condenser pipe 6, connecting tube 7 and liquid nitrogen container 8, wherein in liquid nitrogen container 8
It is provided with trapping cold-trap 9, trapping cold-trap 9 includes outer tube 10 and inner tube 11 again.Helium is passed into three necks of 2L by air inlet 1
In bottle, constant temperature blender with magnetic force is stirred and is heated to the water sample in three-necked bottle, the volatility come out by helium gas jet stripping
Substance and vapor flow back by condensing tube condensation, and vapor flows back into three-necked bottle, and volatile materials passes through with helium gas jet
Connecting tube enters in trapping cold-trap, and volatile materials can be become trapped on the nuclei of condensation in cold-trap.
It include as follows using the detailed process that the collection device of the utility model embodiment collects volatile materials in water sample
Step:
The high purity water of 10-15mL is frozen into ice cube and is crushed, is filled between the inner and outer tubes of trapping cold-trap.By rubber plug
Set on inner pipe, seals the junction of inner and outer pipe, guarantees the air-tightness of trapping cold-trap, and cold-trap is placed in liquid nitrogen and is carried out
Pre-cooling.
Coolant temperature used in condensing reflux system is adjusted to 0 DEG C or so, is run using low-temperature cooling fluid circulating pump
Condenser system.
The 2L water sample for containing volatile materials is placed in three-necked bottle, and is put into stirring rotator, constant temperature blender with magnetic force
Revolving speed is adjusted to 850rmp, and water temperature is adjusted to 40 DEG C.
Etc. after water sample temperature reach target temperature and stablize, water sample is aerated by air inlet, is furnished with before air inlet
Flowmeter, flowmeter are set as 1L/min, aeration time 5h.
In the 5h of aeration, pay attention to check package unit whether gas leakage.When device gas leakage, all scholars can be smeared in air-leak section
Woods.
In embodiment, wherein the outer pipe outside diameter 29mm of the trapping cold-trap, height 330mm, it is logical that outer tube is equipped with helium outlet
Road, inner tube top half internal diameter 8mm, length 50mm, middle section internal diameter 14mm, length 165mm, lower half portion internal diameter 10mm,
Length 150mm, inner tube top are equipped with rubber plug, for sealing cold-trap, bottom of inner tube sealing, but the uniformly punching around, make gas distribution
Uniformly.
Below by way of specific example, the utility model is described in detail to the trapping effect and water sample of volatile materials
After processing, the risk of toxicity of the volatile toxic substance of generation.
Example one: adding volatile organic matter into water sample, verifies this device to the stripping effect of volatile materials, and
Trap effect.
Added volatile organic matter is chloroform, bromodichloromethane, dichlorodibromomethane, bromoform, two chloroethenes
Nitrile and dibromo-acetonitrile.The concentration of each substance of addition is 200ug/L or so, volume of water sample 2L.It is carried out using this device
Aeration, helium flow velocity are 1L/min, and constant temperature blender with magnetic force revolving speed is set as 850rmp, and water sample temperature is set as 40 DEG C, fills out in cold-trap
Condensation Assessment of Nuclear Volume 15mL filled or so, aeration time 5h.Cold-trap is placed in room temperature after aeration to melt, is aerated by measurement
Before, after aeration, and in trapping cold-trap each volatile materials concentration, calculate accounting f (%) of each substance by stripping, and return
Yield (%), calculation formula is as follows:
F (%)={ [c (before aeration)-c (after aeration)]/c (before aeration) } × 100
The rate of recovery (%)={ c (trapping cold-trap)/[c (before aeration)-c (after aeration)] } × 100
Such as Fig. 4 and Fig. 5, haloform can be blown out 99%-100%, can substantially be come out by complete stripping, and
The rate of recovery of cold trap trapping is in 60%-70%；Two chloroacetonitriles come out 94% by stripping, and the rate of recovery 63%, dibromo-acetonitrile is blown
45% is taken off, the rate of recovery 25%.Prove that this device is effective to volatile materials stripping, collection in water sample.
Example two: collecting the volatile products of generation using sewage after processing, and evaluates its cytotoxicity.
Used sewage (secondary effluent), measuring its water quality indicator is ammonia nitrogen concentration 0.90mg/L, DOC concentration
5.52mg/L, pH 7.01, water sample are handled using chlorination, and the disinfectant that when chlorination uses is liquor natrii hypochloritis, dosage
For 40mg-Cl2/ L reacts 12h under dark condition.The volatility that water sample generates after chlorination is handled is collected using this device
Substance, helium flow velocity 0.2L/min, constant temperature blender with magnetic force revolving speed are set as 850rmp, and water sample temperature is set as 24 DEG C, when aeration
Between 5h, the condensation Assessment of Nuclear Volume filled in cold-trap is 10mL.Water sample after aeration is passed through into solid phase extraction concentration, is obtained non-volatile
Substance.The volatile materials that nonvolatile matter and trapping cold-trap are collected is subjected to cytotoxicity test (using Chinese storehouse simultaneously
Mouse gonad cell is detected using ATP and carries out cell survival test), obtained measuring effect curve is as shown in Figure 5.
As shown in Figure 5, when being concentrated 68 times, the survival rate of cell is the volatile materials that cold-trap is collected into
66.7%, illustrate that this covering device can effectively trap the sterilized rear volatile materials generated of actual water sample.
The above content is specific/preferred embodiment further detailed description of the utility model is combined, no
It can assert that the specific implementation of the utility model is only limited to these instructions.For the common skill of the utility model technical field
For art personnel, without departing from the concept of the premise utility, the embodiment that these have been described can also be made
Some replacements or modifications, and these substitutions or variant all shall be regarded as belonging to the protection scope of the utility model.
Claims (10)
1. a kind of device for extracting volatile materials in water, which is characterized in that including aerating system, be condensed back system and trapping
Cold-trap system, the aerating system, the condensing reflux system and the trapping cold-trap system are in turn connected to form access, described
Aerating system is for being passed through helium in the water sample containing volatile materials, and the property of will volatilize substance is from water phase stripping to gas phase, institute
Condensing reflux system is stated for the vapor come out with helium together stripping to be condensed back in the water sample, is come out by stripping
Volatile materials then enter the trapping cold-trap system with helium, be provided with the nuclei of condensation in the trapping cold-trap system, be used for
Collect the volatile materials that capture is come out by stripping.
2. device as described in claim 1, which is characterized in that the aerating system includes the heating for heating the water sample
Device.
3. device as claimed in claim 1 or 2, which is characterized in that the aerating system includes for stirring the water sample
Agitating device.
4. device as claimed in claim 1 or 2, which is characterized in that the aerating system includes three necks for holding water sample
Bottle, a neck of the three-necked bottle is for being passed through helium, and another neck is for being connected to the condensing reflux system, and third neck is for being arranged
Temperature sensor.
5. device as claimed in claim 1 or 2, which is characterized in that the condensing reflux system includes condenser pipe, helium transmission
Pipe and low-temperature cooling fluid circulating pump, the both ends of the helium transfer tube are separately connected the aerating system and the trapping cold-trap
System, the condenser pipe are covered in a sealing fashion outside the helium transfer tube, form the coolant liquid for surrounding the helium transfer tube
Channel, the low-temperature cooling fluid circulating pump pass through the coolant liquid for entering coolant recirculation pump in the cooling passage
It is condensed back to the vapor in the helium transfer tube in the water sample.
6. device as claimed in claim 5, which is characterized in that the helium transfer tube is spiral element.
7. device as claimed in claim 1 or 2, which is characterized in that the trapping cold-trap system includes inner tube and with sealing side
Formula covers the outer tube outside said inner tube, and the nuclei of condensation are placed between said inner tube and the outer tube, and said inner tube connection is described cold
Solidifying return-flow system, said inner tube are connected in the inside of the outer tube with the outer tube, and the outer tube is equipped with helium exit passageway.
8. device as claimed in claim 7, which is characterized in that the bottom seal of said inner tube, and said inner tube is close to institute
The peripheral wall for stating bottom is equipped with equally distributed aperture.
9. device as claimed in claim 7, which is characterized in that the bottom seal of said inner tube, the outer tube setting are being equipped with
During the liquid nitrogen of liquid nitrogen fills.
10. device as claimed in claim 7, which is characterized in that the nuclei of condensation are to be filled in said inner tube and the outer tube
Between trash ice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821495720.XU CN208847543U (en) | 2018-09-13 | 2018-09-13 | Extract the device of volatile materials in water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821495720.XU CN208847543U (en) | 2018-09-13 | 2018-09-13 | Extract the device of volatile materials in water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208847543U true CN208847543U (en) | 2019-05-10 |
Family
ID=66372813
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821495720.XU Expired - Fee Related CN208847543U (en) | 2018-09-13 | 2018-09-13 | Extract the device of volatile materials in water |
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| CN (1) | CN208847543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141987A (en) * | 2018-09-13 | 2019-01-04 | 清华大学深圳研究生院 | The device and method for extracting volatile materials in water |
-
2018
- 2018-09-13 CN CN201821495720.XU patent/CN208847543U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141987A (en) * | 2018-09-13 | 2019-01-04 | 清华大学深圳研究生院 | The device and method for extracting volatile materials in water |
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