CN219495834U - Tritium carbon sampling device in air - Google Patents
Tritium carbon sampling device in air Download PDFInfo
- Publication number
- CN219495834U CN219495834U CN202320074644.XU CN202320074644U CN219495834U CN 219495834 U CN219495834 U CN 219495834U CN 202320074644 U CN202320074644 U CN 202320074644U CN 219495834 U CN219495834 U CN 219495834U
- Authority
- CN
- China
- Prior art keywords
- air
- catalytic
- collecting bottle
- pipe
- bottle
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a tritium carbon sampling device in air, which comprises a sampling gas circuit, a cooling branch circuit and a heating branch circuit, wherein the sampling gas circuit is used for conveying gas to be tested and collecting substances containing tritium and carbon 14 nuclides, the cooling branch circuit is used for cooling the gas to be tested and collecting solution in a bottle, and the heating branch circuit is used for heating cooling liquid when the ambient temperature is lower than 0 ℃ so as to prevent the solution from freezing. According to the utility model, the primary condensation pipe and the condensation bottle are introduced to condense the extracted gas, so that the risk that the first collection bottle is filled with condensed water is effectively prevented, and meanwhile, the condensed water is regularly pumped away by the water suction pump, so that the sampler can meet the requirement of long-term sampling in a high-humidity environment. The heating branch is arranged, so that the sampler can sample in a low-temperature environment on the premise of not increasing the additional cost input of an air conditioning room or an air conditioning cabinet and the like, and the applicability of the sampler under the low-temperature condition is greatly increased.
Description
Technical Field
The utility model belongs to the technical field of tritium carbon nuclide sampling, and particularly relates to a tritium carbon sampling device in air.
Background
Nuclear facilities such as nuclear power plants can generate gaseous substances containing 3H and 14C radionuclides in different forms, and the substances can pollute the environment to different degrees and cause harm to human bodies. In view of the requirements of national nuclear power technology development and international nuclear radiation safety uncertainty factors, there is a great need for strengthening monitoring construction, strengthening radiation environment quality capability construction and strengthening emergency response capability construction. Currently, the collecting devices of the two nuclides are designed by adopting a bubbling method, namely, the air flow to be tested passes through a bubbler, so that tritium or carbon 14 in the air is collected into a corresponding solvent. The method is simple and efficient, so that the method is widely applied to the market. However, the existing sampling equipment can not meet some complex working conditions due to design problems, and mainly can not be used independently in high-humidity low-temperature environments and outdoor subzero environments, and special air conditioning cabinets or station rooms are required to be equipped, so that the equipment has great limitation in use.
Disclosure of Invention
The utility model provides a tritium carbon sampling device in air of a refrigerating and heating pipeline, aiming at the technical problem that the existing tritium carbon nuclide sampling device cannot be used in high-humidity and subzero temperature environments.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the sampling gas circuit comprises a primary condensation pipe, a condensation bottle, a temperature and humidity sensor, a first collection bottle, a second collection bottle, a catalytic furnace, a third collection bottle and a fourth collection bottle which are sequentially connected through a gas pipe;
the primary condensation pipe comprises an inner pipe and an outer pipe, spiral refrigeration pipes are arranged in the four collecting bottles, the catalytic furnace comprises a catalytic pipe filled with a catalyst and a heating device, and a cooling liquid heat exchange pipe is arranged at the bottom of the heating device; the cooling branch comprises a water tank water pump integrated machine containing cooling liquid, wherein the water tank water pump integrated machine comprises a first water outlet, a first water return port, a second water outlet and a second water return port, and the first water outlet is sequentially connected with a heat exchanger, spiral refrigerating pipes of four collecting bottles, an outer pipe of a primary condensing pipe and the first water return port through water pipes;
the heating branch comprises a second water outlet, a cooling liquid heat exchange tube, a cooling liquid circulating pump and a second water return port which are sequentially connected through a water pipe.
Preferably, the device further comprises a reverse suction prevention air channel, wherein the reverse suction prevention air channel comprises a first two-way electromagnetic valve connected between the first collecting bottle and the second collecting bottle and a second two-way electromagnetic valve connected between the third collecting bottle and the fourth collecting bottle, and the other ends of the two-way electromagnetic valves are connected with the atmosphere.
Preferably, the catalytic tube comprises a catalytic inner tube and a catalytic outer tube, wherein the inner tube is communicated with the catalytic tube air inlet, the side wall of the inner tube is provided with a side hole, and the outer tube is communicated with the catalytic tube air outlet.
Preferably, filter screens are arranged at the tops of the catalytic inner tube and the catalytic outer tube.
Preferably, a drainage pump is connected to the condensation bottle.
Preferably, the fourth collecting bottle is connected with a drying cylinder, a one-way valve, a flowmeter and an air pump through an air pipe.
Preferably, the device further comprises a fixing plate, four collecting bottle fixing pieces are arranged on the fixing plate, and the collecting bottles are screwed on the collecting bottle fixing pieces.
Preferably, a sealing member is provided between the fixing plate and the collecting bottle fixing member and between the collecting bottle fixing member and the collecting bottle.
Preferably, the collecting bottle further comprises a water receiving plate arranged below the four collecting bottles.
Preferably, foaming devices are arranged in the four collecting bottles, each foaming device comprises an air inlet pipe and a foaming piece connected to the lower end of the air inlet pipe, each foaming piece is of a hollow structure, and the side wall of each foaming piece is provided with an upper layer of air outlet hole and a lower layer of air outlet hole.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. the tritium carbon sampler in the air is introduced into the primary condensation pipe and the condensation bottle to condense the extracted gas, so that the risk that the first collection bottle is filled with condensed water is effectively prevented, and meanwhile, the condensed water is regularly pumped by the water suction pump, so that the sampler can meet the requirement of long-term sampling in a high-humidity environment.
2. The heating branch is arranged, the waste heat of the catalytic furnace is utilized to heat the cooling liquid, and no extra power consumption is generated. And then the solution in the collecting bottle is heated by the warmed cooling liquid, so that the solution can not be solidified at 0 ℃, the sampler can be sampled in a low-temperature environment on the premise of not increasing the additional cost input of an air conditioning room or an air conditioning cabinet and the like, and the sampler can still operate at minus 10 ℃, thereby greatly increasing the applicability of the sampler at low temperature.
3. The anti-suck-back air channel is arranged, so that solution backflow and suck-back can be effectively prevented, liquid backflow during shutdown is avoided, the detection result is influenced, and devices are damaged.
4. The stainless steel cavity porous foaming piece is adopted, so that the bubbling effect can be better achieved, the foaming amount is large, the foaming aperture is small, the solution absorptivity is high, and the instrument load is low.
5. The catalytic tube has small volume, the inner tube and the outer tube are filled with the catalyst at the same time, and under the condition that the whole length of the catalytic furnace is fixed, the path of the gas passing through the catalytic furnace is doubled, so that the sufficient catalytic oxidation time is ensured.
Drawings
FIG. 1 is a schematic diagram of the piping connection of a tritium carbon sampler in air according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a tritium carbon in air sampler according to the present utility model;
FIG. 3 is a schematic diagram of a tritium carbon in air sampler according to the present utility model;
FIG. 4 is a cross-sectional view of the primary condenser tube of the in-air tritium carbon sampler of the present utility model;
FIG. 5 is a cross-sectional view of a catalytic tube of the in-air tritium carbon sampler of the present utility model;
FIG. 6 is a schematic diagram of a collection module of the tritium carbon in air sampler of the present utility model;
FIG. 7 is a cross-sectional view of a collection module of the in-air tritium carbon sampler of the present utility model;
FIG. 8 is another cross-sectional view of a collection module of the in-air tritium carbon sampler of the present utility model;
FIG. 9 is a schematic diagram of the structure of a foam of the in-air tritium carbon sampler of the present utility model;
in the above figures: 1. an air inlet; 2. a primary condensation pipe; 3. an inner tube; 4. an outer tube; 5. a condensing bottle; 6. a draining pump; 7. a temperature and humidity sensor; 8. a first collection bottle; 9. a second collection bottle; 10. a spiral refrigeration tube; 11. an air inlet pipe; 12. a foaming member; 13. an air outlet hole; 14. a catalytic furnace; 15. a catalytic tube; 16. a heating device; 17. a catalytic outer tube; 18. a catalytic inner tube; 19. a side hole; 20. a filter screen; 21. a first one-way valve; 22. a third collection bottle; 23. a fourth collection bottle; 24. a drying cylinder; 25. a filter; 26. a temperature sensor; 27. a flow meter; 28. a gas volume; 29. an exhaust port; 30. the water tank and water pump integrated machine; 31. a heat exchanger; 32. a heat exchange tube; 33. a refrigerating machine; 34. a cooling liquid circulation pump; 35. a first two-way solenoid valve; 36. a second two-way solenoid valve; 37. a collection bottle fixing plate; 38. a collection bottle holder; 39. a sealing gasket; 40. a water receiving plate; 41. an air extracting pump; 42. an O-ring.
Detailed Description
For a better understanding of the present utility model, reference will now be made in detail to the drawings and examples.
Examples: 1-3, the tritium carbon sampling device in air comprises a sampling gas circuit, a cooling branch circuit and a heating branch circuit, wherein the sampling gas circuit is used for conveying gas to be tested and collecting substances containing tritium and carbon 14 nuclides, the cooling branch circuit is used for cooling the gas to be tested and collecting solution in a bottle, and the heating branch circuit is used for heating cooling liquid when the ambient temperature is lower than 0 ℃ so as to prevent the solution from freezing.
The sampling gas circuit comprises a gas inlet 1, the gas inlet 1 is sequentially connected with a primary condensation pipe 2, a condensation bottle 5, a temperature and humidity sensor 7, a first collecting bottle 8, a second collecting bottle 9, a catalytic furnace 14, a first one-way valve 21, a third collecting bottle 22, a fourth collecting bottle 23, a drying cylinder 24, a filter 25, a temperature sensor 26, a flowmeter 27, a gas volume 28 and a gas pump 41 through a gas pipe, and the gas outlet end of the gas pump 41 is connected with a gas outlet 29 to discharge gas. The first check valve 21 prevents the air flow from flowing back, avoiding affecting the experimental results. The drying cylinder 24 can remove moisture in the air flow, the filter 25 can filter impurities in the air, the temperature sensor 26 is arranged near the flowmeter 27 and used for detecting the temperature of the air at the position, the air volume 28 is arranged at the downstream of the flowmeter 27 to stabilize the air flow, and the air volume is matched with the temperature sensor to ensure that the flowmeter 27 accurately detects the air flow, so that the volume of the sampled air is accurately measured, and the accuracy of the sampling equipment is improved.
The primary condensation pipe 2 can primarily cool the sampled gas, as shown in fig. 4, and the structure of the primary condensation pipe comprises an inner pipe 3 and an outer pipe 4 sleeved on the outer layer of the inner pipe 3, wherein the inner pipe 3 is used for accommodating the gas to be detected flowing in through the gas inlet 1; the outer tube 4 is provided with an inlet and an outlet, and the outer tube 4 is adapted to accommodate a cooling liquid. Preferably, the inner diameter of the inner tube 3 is 2-5 times of the inner diameter of the air tube, and the volume increase of the inner tube 3 can be used as a stable air flow of air volume and can increase the residence time of the air in the inner tube 3, thereby increasing the cooling effect. The condensation bottle 5 is connected to the low reaches of just effecting condenser pipe 2, is the gaseous cooling that awaits measuring once more by condensation bottle 5, and the double cooling measure can effectively get rid of the steam that carries in the gas, has effectively prevented the risk that can be filled up by the comdenstion water in the first collecting bottle 8. The collection bottle is filled with water quickly in a high humidity environment, which is also a main reason that the existing devices on the market at present cannot sample for a long time in a high humidity environment.
Meanwhile, the condensation bottle 5 is connected with the drainage pump 6, and the drainage pump 6 timely pumps away condensed water, so that the sampler can meet the requirement of long-term sampling in a high-humidity environment.
The four collecting bottles are internally provided with spiral refrigerating pipes 10, the catalytic furnace 14 comprises a catalytic pipe 15 filled with catalyst and a heating device 16, and the bottom of the heating device 16 is provided with a cooling liquid heat exchange pipe. The cooling branch comprises a water tank water pump integrated machine 30 containing cooling liquid, the water tank water pump integrated machine 30 comprises a first water outlet, a first water return port, a second water outlet and a second water return port, the first water outlet is sequentially connected with a heat exchanger 31, spiral refrigerating pipes 10 of four collecting bottles, an outer pipe 4 of a primary condensing pipe 2 and the first water return port through water pipes, and a circulation loop is formed. The heat exchanger 31 includes a heat exchange tube 32 and a refrigerator providing a cold source for the heat exchange tube 3233. The condensed gas enters a first collecting bottle 8 and a second collecting bottle 9, and different solvents can be placed in the two collecting bottles for absorbing different gases. When collecting 14 CO 2 And NaOH solutions are filled in the first collecting bottle 8 and the second collecting bottle 9, and distilled water is filled in the first collecting bottle 8 and the second collecting bottle 9 when tritiated water is collected. The gas is catalyzed by the catalytic furnace 14 at high temperature, and the catalytic furnace 14 can catalyze CO and CH 4 Isogas oxidation to CO 2 Hydrogen, CH 4 Oxidized into tritiated water, and the catalyzed gas is thoroughly absorbed by the third and fourth collection bottles 22 and 23. Likewise, when collecting 14 CO 2 And NaOH solutions are filled in the third collecting bottle 22 and the fourth collecting bottle 23, and distilled water is filled in the third collecting bottle 22 and the fourth collecting bottle 23 when tritiated water is collected. The cooling branch can keep the temperature of the solution in the collecting bottle at 5-8 ℃, so that the error of test data caused by the fact that the solution in the collecting bottle is pumped away due to the fact that the temperature is too high is prevented.
As shown in fig. 5, the catalytic tube 15 of the catalytic furnace 14 comprises a catalytic outer tube 17 and a catalytic inner tube 18, wherein the upper end of the catalytic outer tube 17 is communicated with a catalytic tube air inlet, a plurality of side holes 19 are arranged on the side wall of the lower end of the inner tube, and the upper end of the catalytic inner tube 18 is communicated with a catalytic tube air outlet. Both the catalytic outer tube 17 and the catalytic inner tube 18 are filled with platinum-on-alumina or palladium-on-alumina catalyst, the heating device 16 comprises a heating wire for heating the catalytic tube at high temperature, and CO and CH can be obtained 4 Isogas oxidation to CO 2 Hydrogen, CH 4 Isogas oxidation to tritiated water. The catalytic outer tube 17 and the catalytic inner tube 18 are filled with catalysts, and under the condition that the whole length of the catalytic furnace 14 is fixed, the path of the gas passing through the catalytic furnace 14 is doubled, so that the sufficient catalytic oxidation time is ensured. The top of the outer catalytic tube 17 and the top of the inner catalytic tube 18 are respectively provided with a filter screen 20 for preventing the catalyst from being carried out by the airflow.
The heating branch comprises a second water outlet, a cooling liquid heat exchange tube, a cooling liquid circulating pump 34 and a second water return port which are sequentially connected through a water pipe. When the ambient temperature is lower than 0 ℃, the heating branch starts to run, the cooling liquid circulating pump 34 conveys the cooling liquid in the water tank and water pump integrated machine 30 into the cooling liquid heat exchange tube of the catalytic furnace 14, and the cooling liquid in the cooling liquid heat exchange tube can be heated just by adding the heat insulation device to the external surface temperature of about 60-100 ℃ because the temperature in the catalytic furnace 14 is above 400 ℃, so that the cooling liquid can be heated by fully utilizing the waste heat of the catalytic furnace 14. The heated cooling liquid flows into the spiral refrigerating pipes 10 in the four collecting bottles, so that the solution in the collecting bottles can be heated, the solution is effectively prevented from being solidified, and meanwhile, additional power consumption is not generated, so that the applicability of the sampler under the low-temperature condition is greatly improved.
In order to prevent the back suction of the solution caused by the pressure difference in the four collecting bottles, the tritium carbon sampler is provided with a back suction prevention gas path. The anti-reverse air suction path comprises a first two-way electromagnetic valve 35 connected between the first collecting bottle 8 and the second collecting bottle 9, and a second two-way electromagnetic valve 36 connected between the third collecting bottle 22 and the fourth collecting bottle 23, and the other ends of the two-way electromagnetic valves are connected with the atmosphere. The two solenoid valves are normally closed solenoid valves, and the two solenoid valves are opened to enable the air passage to be communicated with the atmosphere when the sampling end air pump 41 is closed, so that the solution backflow can be effectively prevented.
In order to facilitate replacement of the collection bottle, as shown in fig. 6-8, the tritium carbon sampler of the present embodiment further includes a collection bottle fixing plate 37, on which four collection bottle fixing members 38 are provided, and the collection bottle is screwed on the collection bottle fixing members 38 through threads to form a collection module. An O-shaped ring 42 is arranged between the fixing plate 37 and the collecting bottle fixing piece 38, and a sealing gasket 39 is arranged between the collecting bottle fixing piece 38 and the collecting bottle, so that the air path is well sealed. A water receiving plate 40 is mounted below the four collection bottles to receive liquid dripping from the four collection bottles.
In order to enable the solution in the collecting bottles to fully absorb gas, foaming devices are arranged in the four collecting bottles, and each foaming device comprises an air inlet pipe 11 and a foaming piece 12 connected to the lower end of the air inlet pipe 11.
The foam member 12 may be three kinds of PTFE material members, stainless steel sintered filter elements and stainless steel hollow porous foam members 12, and in this embodiment, the porous foam members 12 are made of stainless steel or PTFE material, and the specific structure is shown in fig. 9, and the inside of the porous foam member is hollow, and the side wall is provided with two layers of air outlet holes 13. Compared with the foaming devices on the market, the foaming part has more foaming holes, small pore diameter and even foaming, and can improve the solution absorptivity; compared with a stainless steel sintered filter element, the device can reduce the load of the device.
The tritium carbon sampler in air introduces the primary condensation pipe 2 and the condensation bottle 5 to condense the extracted gas, effectively prevents the risk that the first collection bottle 8 will be filled with condensed water, and simultaneously the condensed water is regularly pumped away by the water pump, so that the sampler can meet the requirement of long-term sampling in a high-humidity environment.
The heating branch is arranged, the cooling liquid is heated by utilizing the waste heat of the catalytic furnace 14, and then the solution in the collecting bottle is heated by the heated cooling liquid, so that the solution can not be solidified at 0 ℃, the sampler can be sampled in a low-temperature environment on the premise of not increasing the additional cost input of an air conditioning room or an air conditioning cabinet and the like, the sampler can still operate at minus 10 ℃, and the applicability of the sampler under the low-temperature condition is greatly increased.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a tritium carbon sampling device in air which characterized in that: the device comprises a sampling gas circuit, a cooling branch circuit and a heating branch circuit, wherein the sampling gas circuit comprises a primary condensation pipe, a condensation bottle, a temperature and humidity sensor, a first collecting bottle, a second collecting bottle, a catalytic furnace, a one-way valve, a third collecting bottle, a fourth collecting bottle, a flowmeter and an air pump which are sequentially connected through a gas pipe;
the primary condensation pipe comprises an inner pipe and an outer pipe, spiral refrigeration pipes are arranged in the four collecting bottles, the catalytic furnace comprises a catalytic pipe filled with a catalyst and a heating device, and a cooling liquid heat exchange pipe is arranged at the bottom of the heating device; the cooling branch comprises a water tank water pump integrated machine containing cooling liquid, wherein the water tank water pump integrated machine comprises a first water outlet, a first water return port, a second water outlet and a second water return port, and the first water outlet is sequentially connected with a heat exchanger, spiral refrigerating pipes of four collecting bottles, an outer pipe of a primary condensing pipe and the first water return port through water pipes;
the heating branch comprises a second water outlet, a cooling liquid heat exchange tube, a cooling liquid circulating pump and a second water return port which are sequentially connected through a water pipe.
2. The tritium carbon in air sampling device of claim 1, wherein: the anti-backflow air suction channel comprises a first two-way electromagnetic valve connected between the first collecting bottle and the second collecting bottle, and a second two-way electromagnetic valve connected between the third collecting bottle and the fourth collecting bottle, wherein the other ends of the two-way electromagnetic valves are connected with the atmosphere.
3. The tritium carbon in air sampling device of claim 1, wherein: the catalytic tube comprises a catalytic inner tube and a catalytic outer tube, the inner tube is communicated with the catalytic tube air inlet, the side wall of the inner tube is provided with a side hole, and the outer tube is communicated with the catalytic tube air outlet.
4. A tritium carbon in air sampling device as claimed in claim 3, wherein: the top of the catalytic inner tube and the top of the catalytic outer tube are respectively provided with a filter screen.
5. The tritium carbon in air sampling device of claim 1, wherein: and the condensation bottle is connected with a drainage pump.
6. The tritium carbon in air sampling device of claim 1, wherein: and the fourth collecting bottle is connected with a drying cylinder and a one-way valve through an air pipe.
7. The tritium carbon in air sampling device of claim 1, wherein: still include the fixed plate, be provided with four collecting bottle mounting on the fixed plate, the collecting bottle is twisted and is connect on the collecting bottle mounting.
8. The tritium carbon in air sampling device of claim 7, wherein: and sealing elements are arranged between the fixing plate and the collecting bottle fixing element and between the collecting bottle fixing element and the collecting bottle.
9. The tritium carbon in air sampling device of claim 7, wherein: the water receiving plate is arranged below the four collecting bottles.
10. The tritium carbon in air sampling device of claim 1, wherein: the foaming device comprises an air inlet pipe and a foaming piece connected to the lower end of the air inlet pipe, wherein the foaming piece is of a hollow structure, and the side wall of the foaming piece is provided with an upper layer of air outlet and a lower layer of air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320074644.XU CN219495834U (en) | 2023-01-10 | 2023-01-10 | Tritium carbon sampling device in air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320074644.XU CN219495834U (en) | 2023-01-10 | 2023-01-10 | Tritium carbon sampling device in air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219495834U true CN219495834U (en) | 2023-08-08 |
Family
ID=87508008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320074644.XU Active CN219495834U (en) | 2023-01-10 | 2023-01-10 | Tritium carbon sampling device in air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219495834U (en) |
-
2023
- 2023-01-10 CN CN202320074644.XU patent/CN219495834U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103033532B (en) | Experimental device for condensation heat-exchange of steam containing multi-component non-condensable gases | |
| CN219495834U (en) | Tritium carbon sampling device in air | |
| CN106969946B (en) | Condensate sampling method and device for detecting leakage of condenser | |
| CN116046483A (en) | Tritium carbon sampler in air with strong environmental adaptability | |
| US10646821B2 (en) | Hydrogen sensing and separation | |
| CN113984958A (en) | System for analyzing flammability of gas in containment | |
| CN212410360U (en) | Hydrogen absorption agent evaluation device for low-temperature container | |
| CN213423155U (en) | Pure steam online TOC detection device | |
| RU100817U1 (en) | WET AIR DRYER AND HEAT CARRIER DETECTION SYSTEM BY MONITORING AEROSOL ACTIVITY | |
| CN220583887U (en) | Tritium carbon sampler in air with blowback function | |
| CN205487368U (en) | Device of fast quick test hydrogen of multiple spot after nuclear power station containment accident | |
| CN217444079U (en) | Main steam pipeline leakage monitoring system combining spectrometry and condensate level method | |
| CN111350501A (en) | Geothermal well full-flow sampling system | |
| CN214060417U (en) | Carbon monoxide concentration analysis system for nitrogen blow-down pipe of nozzle cooling separator of coal gasification furnace | |
| CN110274711A (en) | Electromechanical equipment heat dissipation measuring method | |
| RU2417357C1 (en) | Tightness control device | |
| CN101856630A (en) | Superfluidhelium constant temperature bath device | |
| CN214427626U (en) | Gas cold finger sampling device | |
| CN211234865U (en) | Online leak detector | |
| CN209415826U (en) | A kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler | |
| CN108020446B (en) | Tritium and carbon sampling device in air | |
| CN206930457U (en) | A kind of heat exchanger carbonated drink testing stand | |
| Yao et al. | Experimental investigation of a novel extracting water system from air by soil cold source | |
| CN211562412U (en) | Multistage gas condensation, absorption and enrichment pipe | |
| CN219265418U (en) | Water consumption measuring device of water-saving cooling tower of thermal power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |