CN114216735B - Device for sampling without breaking vacuum - Google Patents
Device for sampling without breaking vacuum Download PDFInfo
- Publication number
- CN114216735B CN114216735B CN202111612661.6A CN202111612661A CN114216735B CN 114216735 B CN114216735 B CN 114216735B CN 202111612661 A CN202111612661 A CN 202111612661A CN 114216735 B CN114216735 B CN 114216735B
- Authority
- CN
- China
- Prior art keywords
- rotating rod
- interface
- sampling
- way joint
- shaft sleeve
- 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
Images
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
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
- G01N2001/2238—Sampling from a closed space, e.g. food package, head space the gas being compressed or pressurized
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a device for sampling without breaking vacuum, which comprises: the device comprises a welding head, a three-way joint, a sampling valve, a drilling assembly, a shaft sleeve and a sealing piece, wherein one end of the welding head is integrally welded with the outer wall of a heat pump unit, the other end of the welding head is connected with a first interface of the three-way joint, the drilling assembly is stretched into by a second interface of the three-way joint, the first interface and the second interface are coaxially arranged, the shaft sleeve is sleeved outside the drilling assembly, the shaft sleeve is connected with the second interface, the drilling assembly comprises a drill bit and a rotating rod which are integrally connected, the rotating rod can be assembled with a drill chuck of an electric hand drill in an adapting manner, the sealing piece is detachably connected with the shaft sleeve, the drill bit assembly is limited in the sealing piece, and a third interface of the three-way joint is connected with the sampling valve. When drilling, close the sampling valve, pull down the sealing member, utilize the electric hand drill to make the drill bit remove to heat pump set, to its drilling, after drilling, install the sealing member, open the sampling valve and take a sample, the device need not shut down, and can not destroy equipment vacuum in the sampling process.
Description
Technical Field
The utility model relates to the technical field of sampling devices, in particular to a device for sampling without breaking vacuum.
Background
The absorption heat pump is a device which uses heat energy as power and recovers the heat energy of low-temperature waste heat to transfer the heat energy to a high-temperature heat source, so that the heat pump can be used for process heat supply or heating, is an effective device for recovering and utilizing the heat energy of low-temperature, and has the double functions of saving energy and protecting environment.
According to the different heat sources, the heat sources can be divided into a type of absorption heat pump and a type of absorption heat pump, wherein the type of absorption heat pump is also called a heat increasing type heat pump, a small amount of high-temperature heat sources (such as steam, high-temperature hot water, combustible gas combustion heat and the like) are used as driving heat sources, a large amount of medium-temperature useful heat energy is generated, namely, the heat energy of a low-temperature heat source is increased to medium temperature by using the driving of the high-temperature heat energy, so that the utilization efficiency of the heat energy is improved; the second-class absorption heat pump is also called a heating heat pump, and is characterized in that a large amount of medium-temperature heat sources are utilized to generate a small amount of high-temperature useful heat energy, namely, the medium-temperature heat sources are utilized to drive, and the heat potential difference of a large amount of medium-temperature heat sources and low-temperature heat sources is utilized to prepare heat less than but higher than that of the medium-temperature heat sources, so that part of medium-temperature heat energy and low-temperature heat energy are transferred to higher temperature positions, and the utilization grade of the heat sources is improved.
The two types of absorption heat pumps only drive different heat sources, and the absorption heat pump unit consists of a generator, a condenser, an evaporator, an absorber, a heat exchanger and other main components, an air extractor, a shielding pump (a solution pump and a refrigerant pump) and other auxiliary components, wherein the absorber is filled with lithium bromide solution as an absorbent, and the air extractor can extract non-condensable gas in the heat pump unit to ensure that the heat pump unit is always in a high vacuum state.
Because the heat pump unit is operated in a vacuum negative pressure state, when a sampling device is not reserved at the position where sampling is needed, the operation of the heat pump unit can only be stopped at present, the tapping sampling is carried out again, the negative pressure of the unit can be destroyed, part of conditions even need to be discharged into the unit for internal solution, the tapping welding valve is used for sampling, and the restarting is needed after the sampling.
In view of the above, the present utility model provides a device for sampling without breaking vacuum, which can sample holes on the outer wall of a cavity without breaking the vacuum state in the cavity of a unit device.
Disclosure of Invention
The utility model aims to provide a device for sampling without breaking vacuum, which can sample holes at any position of the outer wall of equipment, which needs to be sampled, without breaking the vacuum state in the cavity of the equipment.
The utility model provides a device for sampling without breaking vacuum, comprising: the automatic sampling device comprises a welding head, a three-way joint, a sampling valve, a drilling assembly, a shaft sleeve and a sealing piece, wherein one end of the welding head is integrally welded with the outer wall of a heat pump unit, the other end of the welding head is connected with a first interface of the three-way joint, the drilling assembly is formed by extending into the second interface of the three-way joint, the drilling assembly comprises a drill bit and a rotating rod, the tail of the drill bit is fixedly connected with one end of the rotating rod, one end of the rotating rod can be installed in a mode of dismantling the sealing piece in a drill chuck adaptive manner of an electric hand drill, the drill bit and the rotating rod can integrally rotate under the action of the electric hand drill, the three-way joint and the welding head are screwed in the same direction, the first interface and the second interface are coaxially arranged, the shaft sleeve is sleeved outside the drilling assembly, one end of the shaft sleeve is connected with the second interface, the sealing piece is in a valve cap, the other end of the sealing piece is in threaded fit and can be connected with the other end of the rotating rod, one end of the drilling assembly can be detached, and the end of the sealing assembly is far away from the inner part of the three-way joint, the three-way joint is provided with a valve, and the valve is installed in the rotating shaft, and the three-way drill chuck is connected with the rotating shaft.
Preferably, the tail part of the drill bit is fixedly connected with one end of the rotating rod in a welding mode, and the drill bit and the rotating rod are coaxially arranged.
Preferably, the installation shaft is integrally connected with the rotating rod, the installation shaft and the rotating rod are coaxially arranged, and the distance from the joint surface of the rotating rod and the installation shaft to the end surface of the shaft sleeve, which is far away from one end of the three-way joint, is greater than the distance from the tip of the drill bit to the inner wall of the heat pump unit.
Preferably, the welding head is a hollow pipe, the first connector of the three-way joint is integrally connected with the welding head through welding, the first connector and the welding head are coaxially arranged, and the outer diameter of the welding head is equal to the outer diameter of the first connector.
Preferably, the shaft sleeve is integrally connected with the second interface of the three-way joint through welding, the second interface is coaxially arranged with the shaft sleeve, and the outer diameter of the shaft sleeve is equal to the outer diameter of the second interface.
Preferably, a first sealing ring matched and sealed with the inner wall of the shaft sleeve and the outer peripheral surface of the rotating rod is arranged between the inner wall of the shaft sleeve and the outer peripheral surface of the rotating rod, and the first sealing ring is sleeved on the outer peripheral surface of the rotating rod.
Preferably, a second sealing ring is arranged between the valve cap and the end face of the shaft sleeve, which is far away from one end of the three-way joint.
According to the technical scheme, the welding head is fixedly connected with a first connector of the three-way connector, a second connector and a third connector of the three-way connector are respectively connected with a shaft sleeve and a sampling valve, the second connector is coaxial with the first connector, a drilling assembly capable of moving towards the outer wall of the heat pump unit along the second connector and the first connector is arranged on the inner side of the shaft sleeve, a sealing piece is detachably arranged at one end of the shaft sleeve, which is far away from the three-way connector, when a certain position of the outer wall of the heat pump unit is required to be perforated for sampling, the welding head is welded at the position, the sampling valve is closed, the sealing piece is detached, the drilling assembly is matched with an external electric hand drill or other drilling equipment to be installed, the drilling assembly is driven to rotate, the drilling assembly is driven to move towards the outer wall of the heat pump unit along the second connector, the first connector and the welding head, after the drilling assembly is finished, the drilling assembly is taken out along the opening end of the shaft sleeve, the sealing piece is arranged, the sampling valve is opened, and sampling testing can be carried out by using a sampling container and the like. The device does not need to stop the heat pump unit, keeps a sealing state in the tapping process and after tapping, can not damage the vacuum degree in each vacuum cavity of the heat pump unit, ensures the working efficiency of the heat pump unit, and avoids influencing the normal work of the heat pump unit due to stop or vacuum degree reduction.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall block diagram of the apparatus of the present utility model;
fig. 2 is an internal structural view of the device of the present utility model.
Reference numerals illustrate:
1: vacuum cavity of heat pump unit; 2: a welding head; 3: a three-way joint; 301: a first interface; 302: a second interface; 303: a third interface; 4: a sampling valve; 5: a shaft sleeve; 6: a seal; 7: a drill bit; 8: a rotating lever; 9: a mounting shaft; 10: a first seal ring; 11: and a second sealing ring.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, the utility model provides a device for sampling without breaking vacuum, which can be arranged at a position needing to be sampled on the outer wall of a vacuum cavity 1 of a heat pump unit, and samples gas or solution in the vacuum cavity 1 of the heat pump unit by perforating on the surface of the device, so that the vacuum degree in the vacuum cavity 1 of the heat pump unit cannot be broken in the sampling process, and the unit is not required to be stopped.
The device comprises: the device comprises a welding head 2, a three-way joint 3, a sampling valve 4, a shaft sleeve 5 and a sealing piece 6, wherein the left end of the welding head 2 is integrally welded with the outer wall of a vacuum cavity 1 of a heat pump unit, the welding head 2 is a hollow pipe, the right end of the welding head 2 is connected with a first connector 301 of the three-way joint 3, the first connector 301 and a second connector 302 are coaxially arranged, the left end of the shaft sleeve 5 is connected with the second connector 302, the sealing piece 6 is detachably connected with the right end of the shaft sleeve 5, a drilling assembly is arranged in a space defined by the second connector 302, the shaft sleeve 5 and the sealing piece 6, after the sealing piece 6 is removed, the drilling assembly can be driven by an external electric hand drill or other drilling equipment to rotate, and in the rotation process, the second connector 302 is screwed in the direction of the first connector 301 and the welding head 2, so that drilling is carried out on the outer wall of the vacuum cavity 1 of the heat pump unit, a third connector 303 of the three-way joint 3 is connected with one connector of the sampling valve 4, and the other connector of the sampling valve 4 can be connected with a sampling container for sampling.
The drilling assembly comprises a drill bit 7 and a rotating rod 8, the tail of the drill bit 7 is fixedly connected with the left end of the rotating rod 8 in a welding mode, the drill bit 7 and the rotating rod 8 are coaxially arranged, and the diameter of the drill bit 7 is smaller than that of the rotating rod 8. The drill bit 7 and the rotary rod 8 can pass through the shaft sleeve 5 and integrally move along the axial direction of the second interface 302 and the first interface 301. A plurality of first sealing rings 10 matched and sealed with the inner wall of the shaft sleeve 5 and the outer peripheral surface of the rotating rod 8 are arranged between the inner wall of the shaft sleeve 5 and the outer peripheral surface of the rotating rod 8, and the first sealing rings 10 are sleeved on the outer peripheral surface of the rotating rod 8. The right-hand member of dwang 8 is equipped with rather than the installation axle 9 of integrated connection, installation axle 9 and dwang coaxial line arrangement, installation axle 9 can be under the demolition state of sealing member 6 with the drill chuck adaptation installation of electric hand drill, make drill bit 7 and dwang 8 can be under electric hand drill effect an organic whole rotate, follow three way connection 3 and the inside precession of soldered connection 2, carry out the drilling operation to heat pump unit vacuum cavity 1 outer wall, the distance of the face that meets of dwang 8 and installation axle 9 to axle sleeve 5 right-hand member terminal surface is greater than the distance of drill bit 7's point to heat pump unit vacuum cavity 1 inner wall, can guarantee that drill bit 7 point can bore into in the heat pump unit vacuum cavity 1.
In this embodiment, the first connector 301 of the three-way joint 3 is integrally connected with the welding head 2 through welding, the welding needs to ensure complete sealing, the first connector 301 and the welding head 2 are coaxially arranged, and the outer diameter of the welding head 2 is equal to the outer diameter of the first connector 301. The left end of the shaft sleeve 5 is integrally connected with the second connector 302 of the three-way joint 3 through welding, the second connector 302 is coaxially arranged with the shaft sleeve 5, and the outer diameter of the shaft sleeve 5 is equal to the outer diameter of the second connector 302.
In this embodiment, the sealing member 6 is a bonnet, and the bonnet is detachably connected to the right end of the shaft sleeve 5 through screw-fit. Before drilling, the right end of the mounting shaft 9 is extended into the bonnet such that the drilling assembly is defined in the closed space defined by the three-way fitting 3, the sleeve 5 and the seal 6.
The bonnet is screwed up in the right-hand member outside of axle sleeve 5 through threaded connection, and the deepest position of internal thread that is located in the bonnet is provided with the second sealing washer 11 that cooperates sealed with the right-hand member terminal surface of axle sleeve 5.
The working flow of the sampling device is as follows: before drilling, close sampling valve 4, sampling valve 4 internal passageway is closed, dismantle behind the sealing member 6, make drilling assembly's installation axle 9 and the drill chuck adaptation installation of electric hand drill, open the electric hand drill, make the integrative rotation of drill bit 7 and dwang 8, make the electric hand drill to the axle sleeve direction remove, drill bit 7 gets into soldered connection 2 along first interface 301, finally with heat pump set vacuum cavity 1 outer wall contact, carry out drilling operation on its surface, close the electric hand drill power after drilling finishes, withdraw from drill bit 7 and dwang 8, make it take out in by axle sleeve 5, then install sealing member 6, after the installation, open sampling valve 4 and take a sample.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. A device for sampling without breaking vacuum, comprising: the automatic sampling device comprises a welding head, a three-way joint, a sampling valve, a drilling assembly, a shaft sleeve and a sealing piece, wherein one end of the welding head is integrally welded with the outer wall of a heat pump unit, the other end of the welding head is connected with a first interface of the three-way joint, the drilling assembly is formed by extending into the second interface of the three-way joint, the drilling assembly comprises a drill bit and a rotating rod, the tail of the drill bit is fixedly connected with one end of the rotating rod, one end of the rotating rod can be installed in a mode of dismantling the sealing piece in a drill chuck adaptive manner of an electric hand drill, the drill bit and the rotating rod can integrally rotate under the action of the electric hand drill, the three-way joint and the welding head are screwed in the same direction, the first interface and the second interface are coaxially arranged, the shaft sleeve is sleeved outside the drilling assembly, one end of the shaft sleeve is connected with the second interface, the sealing piece is in a valve cap, the other end of the sealing piece is in threaded fit and can be connected with the other end of the rotating rod, one end of the drilling assembly can be detached, and the end of the sealing assembly is far away from the inner part of the three-way joint, the three-way joint is provided with a valve, and the valve is installed in the rotating shaft, and the three-way drill chuck is connected with the rotating shaft.
2. The device for sampling without breaking vacuum according to claim 1, wherein the tail of the drill bit is fixedly connected with one end of the rotating rod by welding, and the drill bit is coaxially arranged with the rotating rod.
3. The device for sampling without breaking vacuum according to claim 1, wherein the mounting shaft is integrally connected with the rotating rod, and the mounting shaft is coaxially arranged with the rotating rod, and the distance from the interface of the rotating rod and the mounting shaft to the end face of the shaft sleeve far away from the three-way joint is greater than the distance from the tip of the drill bit to the inner wall of the heat pump unit.
4. The device for sampling without breaking vacuum according to claim 1, wherein the welding head is a hollow pipe, the first interface of the three-way joint is integrally connected with the welding head by welding, the first interface is coaxially arranged with the welding head, and the outer diameter of the welding head is equal to the outer diameter of the first interface.
5. The device for sampling without breaking vacuum according to claim 1, wherein the sleeve is integrally connected to the second port of the three-way joint by welding, and the second port is arranged coaxially with the sleeve, and the outer diameter of the sleeve is equal to the outer diameter of the second port.
6. The device for sampling without breaking vacuum according to claim 1, wherein a first sealing ring is provided between the inner wall of the shaft sleeve and the outer circumferential surface of the rotating rod, and is in fit sealing with the inner wall of the shaft sleeve and the outer circumferential surface of the rotating rod, and the first sealing ring is sleeved on the outer circumferential surface of the rotating rod.
7. The device for sampling without breaking vacuum according to claim 1, wherein a second sealing ring is arranged between the valve cap and an end face of the shaft sleeve, which is far away from the three-way joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612661.6A CN114216735B (en) | 2021-12-27 | 2021-12-27 | Device for sampling without breaking vacuum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612661.6A CN114216735B (en) | 2021-12-27 | 2021-12-27 | Device for sampling without breaking vacuum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114216735A CN114216735A (en) | 2022-03-22 |
| CN114216735B true CN114216735B (en) | 2023-05-26 |
Family
ID=80706033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111612661.6A Active CN114216735B (en) | 2021-12-27 | 2021-12-27 | Device for sampling without breaking vacuum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114216735B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1926919U (en) * | 1962-12-08 | 1965-11-11 | Hagemann Appbau Und Bedarfsart | VACUUM SAMPLE VALVE. |
| EP0468565A2 (en) * | 1990-07-23 | 1992-01-29 | Akzo N.V. | Piercing and sampling probe |
| WO1998039552A1 (en) * | 1997-03-03 | 1998-09-11 | Csm Associates Limited | Samplers for high-temperature fluids |
| US5907110A (en) * | 1998-05-29 | 1999-05-25 | The Regents Of The University Of California | Fluid sampling tool |
| CN202275009U (en) * | 2011-08-23 | 2012-06-13 | 东南大学 | Getter device for gas sampling |
| CN102798548A (en) * | 2012-08-16 | 2012-11-28 | 中煤科工集团重庆研究院 | Positive and negative pressure combined plug flow fixed-point sampling device |
| CN203395497U (en) * | 2013-07-04 | 2014-01-15 | 广东联塑科技实业有限公司 | Saddle type bypass leakage-proof device capable of drilling in presence of gas |
| CN109030121A (en) * | 2018-07-31 | 2018-12-18 | 山西中电科新能源技术有限公司 | A kind of pair of vacuum cavity gas is sampled and meets the method, apparatus and its component of positive pressure analysis |
| CN209542194U (en) * | 2018-11-30 | 2019-10-25 | 立邦涂料（中国）有限公司 | Reaction kettle sampler |
| CN211425972U (en) * | 2019-12-26 | 2020-09-04 | 广东邦弗特新材料有限公司 | Efficient liquid sampling equipment |
| CN212988924U (en) * | 2020-09-28 | 2021-04-16 | 大连孚美化工科技有限公司 | Vacuum sampling valve |
| CN113375970A (en) * | 2021-07-21 | 2021-09-10 | 深圳大学 | Microwave-assisted rock breaking device and method for simulating different depths of lunar environment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7297965B2 (en) * | 2004-07-14 | 2007-11-20 | Applied Materials, Israel, Ltd. | Method and apparatus for sample formation and microanalysis in a vacuum chamber |
-
2021
- 2021-12-27 CN CN202111612661.6A patent/CN114216735B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1926919U (en) * | 1962-12-08 | 1965-11-11 | Hagemann Appbau Und Bedarfsart | VACUUM SAMPLE VALVE. |
| EP0468565A2 (en) * | 1990-07-23 | 1992-01-29 | Akzo N.V. | Piercing and sampling probe |
| WO1998039552A1 (en) * | 1997-03-03 | 1998-09-11 | Csm Associates Limited | Samplers for high-temperature fluids |
| US5907110A (en) * | 1998-05-29 | 1999-05-25 | The Regents Of The University Of California | Fluid sampling tool |
| CN202275009U (en) * | 2011-08-23 | 2012-06-13 | 东南大学 | Getter device for gas sampling |
| CN102798548A (en) * | 2012-08-16 | 2012-11-28 | 中煤科工集团重庆研究院 | Positive and negative pressure combined plug flow fixed-point sampling device |
| CN203395497U (en) * | 2013-07-04 | 2014-01-15 | 广东联塑科技实业有限公司 | Saddle type bypass leakage-proof device capable of drilling in presence of gas |
| CN109030121A (en) * | 2018-07-31 | 2018-12-18 | 山西中电科新能源技术有限公司 | A kind of pair of vacuum cavity gas is sampled and meets the method, apparatus and its component of positive pressure analysis |
| CN209542194U (en) * | 2018-11-30 | 2019-10-25 | 立邦涂料（中国）有限公司 | Reaction kettle sampler |
| CN211425972U (en) * | 2019-12-26 | 2020-09-04 | 广东邦弗特新材料有限公司 | Efficient liquid sampling equipment |
| CN212988924U (en) * | 2020-09-28 | 2021-04-16 | 大连孚美化工科技有限公司 | Vacuum sampling valve |
| CN113375970A (en) * | 2021-07-21 | 2021-09-10 | 深圳大学 | Microwave-assisted rock breaking device and method for simulating different depths of lunar environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114216735A (en) | 2022-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208934999U (en) | Double mechanical seal rotary jet pump of the pressure lower than sealing cavity pressure between sealing | |
| CN114216735B (en) | Device for sampling without breaking vacuum | |
| CN204565198U (en) | A kind of online pipeline perforator | |
| CN102393091B (en) | Load-bearing anti-freezing solar thermal collector tube | |
| CN105125259A (en) | Medical planing tool power system | |
| CN106161264A (en) | A kind of intelligent router possessing high heat dissipation characteristics | |
| CN105496498A (en) | Medical planing device | |
| CN214273611U (en) | Oil and gas exploitation well head heating equipment | |
| CN109162778A (en) | A kind of efficient organic Rankine cycle devices | |
| CN220624995U (en) | Novel waste heat recovery device | |
| CN211260865U (en) | Boiler flue gas waste heat recovery device | |
| KR102483701B1 (en) | Valve Structure of Absorption Refrigerator | |
| CN113695718B (en) | A Rotary TIG Welding Gun for Welding and Repairing the Inner Wall of Very Small Diameter Pipes | |
| CN201421076Y (en) | Detachable water distribution flow equalization device | |
| CN219102202U (en) | Superhigh temperature angle valve | |
| CN219548935U (en) | Power generation mechanism of high-temperature hot water pipe network | |
| CN220229622U (en) | Heat pump waste heat recovery integrated equipment | |
| CN206669000U (en) | A kind of hot blast shutoff door with faulty action preventing function | |
| CN206198726U (en) | A kind of solvent recovery machine | |
| CN215808566U (en) | High-efficient recovery unit of organic heat carrier boiler waste heat | |
| CN204703271U (en) | A kind of water closet water saving pollution discharge joint | |
| CN216926561U (en) | Real-time monitoring device for spectrum detection of waste gas components | |
| CN221389022U (en) | Water pipe pressurized perforating device | |
| CN219120548U (en) | Temperature and pressure reducing device for steam | |
| CN212941531U (en) | Synthetic water-reducing agent condensing equipment |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Yue Inventor after: Xu Yatao Inventor after: Yu Baixiang Inventor after: Chen Huanyin Inventor after: Hou Mingli Inventor after: Bai Guoliang Inventor after: Li Xing Inventor before: Wang Yue Inventor before: Xu Yatao Inventor before: Yu Baixiang Inventor before: Hou Mingli Inventor before: Bai Guoliang Inventor before: Li Xing |
|
| CB03 | Change of inventor or designer information |