CN219694665U - Sampler for toxic gas analysis - Google Patents
Sampler for toxic gas analysis Download PDFInfo
- Publication number
- CN219694665U CN219694665U CN202321064965.8U CN202321064965U CN219694665U CN 219694665 U CN219694665 U CN 219694665U CN 202321064965 U CN202321064965 U CN 202321064965U CN 219694665 U CN219694665 U CN 219694665U
- Authority
- CN
- China
- Prior art keywords
- pressure regulating
- sampler
- pipe
- courage
- pipeline
- 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
- 239000002341 toxic gas Substances 0.000 title claims abstract description 17
- 238000004868 gas analysis Methods 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 41
- 230000001105 regulatory effect Effects 0.000 claims abstract description 34
- 238000005070 sampling Methods 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 240000007817 Olea europaea Species 0.000 claims abstract description 5
- 210000003437 trachea Anatomy 0.000 claims abstract description 4
- 241001669679 Eleotris Species 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 231100000331 toxic Toxicity 0.000 description 12
- 230000002588 toxic effect Effects 0.000 description 12
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model relates to a sampler for toxic gas analysis. The technical scheme adopted is as follows: the left end opening of pressure regulating jar sets up the pipeline, set up the sample expansion courage in the pressure regulating jar, the sample expansion courage is olive die cavity, the left end opening sealing connection intake pipe of sample expansion courage, the intake pipe passes sealing connection between pipe sleeve and the pipeline, the left end fixed connection trachea quick-operation joint of intake pipe, the right-hand member of sample expansion courage passes through connecting seat and the right-hand member inside wall fixed connection of pressure regulating jar, the upper end of pressure regulating jar sets up the gas holder, the right side wall trompil of gas holder and the blast pipe intercommunication of aspiration pump, the intake pipe of aspiration pump and the jar body wall intercommunication of pressure regulating jar right-hand member, the upper sidewall of pressure regulating jar still is provided with the manometer. The utility model has the beneficial effects that: high-pressure nitrogen in the air storage tank is led into the pressure regulating tank through the air pump, so that the pressurization in the air storage tank is realized, residual air in the sampling expansion liner is discharged cleanly, the interference of other gases is prevented, and the accuracy of analysis results is further improved.
Description
Technical Field
The utility model belongs to the field of toxic gas analysis samplers, and relates to a toxic gas analysis sampler.
Background
The discharged waste gas generally contains toxic components, the toxic components are required to be detected, the content of the toxic components in the waste gas is analyzed, and whether the toxic components are required to be discharged after being treated is determined, so that the toxic gases are required to be sampled and analyzed, when the toxic gases are introduced into a gas analyzer, the toxic and harmful gases in the pipeline are required to be sampled and stored, the existing sampler is required to replace the gas in the sampler with the sample gas to be detected, and if the sample gas is not replaced cleanly, the gas in the sampler can interfere detection, so that the accuracy of analysis results is affected.
Therefore, the utility model provides a sampler for analyzing toxic gas, which solves the problems.
Disclosure of Invention
In view of the problems existing in the prior art, the utility model discloses a sampler for toxic gas analysis, which adopts the technical scheme that the sampler comprises a pressure regulating tank, a pipeline is arranged at the left end opening of the pressure regulating tank, a sampling expansion liner is arranged in the pressure regulating tank, the sampling expansion liner is an olive cavity, the left end opening of the sampling expansion liner is in sealing connection with an air inlet pipe, the air inlet pipe penetrates through the pipeline and is in sealing connection with the pipeline through a pipe sleeve, the left end of the air inlet pipe is fixedly connected with an air pipe quick connector, the right end of the sampling expansion liner is fixedly connected with the right end inner side wall of the pressure regulating tank through a connecting seat, an air storage tank is arranged at the upper end of the pressure regulating tank, an opening on the right side wall of the air storage tank is communicated with an exhaust pipe of an air pump, the air inlet pipe of the air pump is communicated with the tank wall at the right end of the pressure regulating tank, and a pressure gauge is further arranged on the upper side wall of the pressure regulating tank.
As a preferable scheme of the utility model, the left side and the right side of the lower side wall of the pressure regulating tank are respectively fixedly connected with a sleeper block, and the lower parts of the left sleeper block and the right sleeper block are fixedly connected with a bottom plate; the design is convenient for the pressure regulating tank to be stably arranged on the ground or the working table surface.
As a preferable scheme of the utility model, the first electromagnetic valve is hermetically arranged on the opening of the upper side wall of the pipeline, so that the air leakage at the joint position between the pipeline and the first electromagnetic valve is avoided, and the valve core of the first electromagnetic valve is arranged in the air inlet pipe; by adopting the first electromagnetic valve, the air inlet pipe is opened and closed.
As a preferable scheme of the utility model, the sampling expansion liner is made of elastic rubber; by means of the design, the gas can be charged and discharged through the shrinkage of the sampling expansion liner, leakage and pollution of sampling gas caused by a mechanical structure are avoided, and the authenticity of the sampling gas is improved.
As a preferable scheme of the utility model, an electronic pressure relief valve is arranged at the upper part of the pipe wall on the right side of the quick joint of the air pipe in a sealing way; by adopting the electronic pressure relief valve, the air pressure condition in the sampling expansion liner can be observed and judged.
As a preferable scheme of the utility model, a second electromagnetic valve is arranged on the pipe wall of the air inlet pipe of the air pump.
The utility model has the beneficial effects that: through adopting can shrink the sample expansion courage of inflation repeatedly and arrange in the surge tank in, can avoid adopting traditional mechanical structure to take a sample the leakage that causes poisonous gas, improve the security, the interact of cooperation surge tank and gas holder in addition can be with the high-pressure nitrogen gas in the gas holder in the leading-in surge tank of aspiration pump, realize the pressurization in the gas holder, thereby with the residual air in the sample expansion courage clean, the clean degree of inside when improving this sampler sample, improve the accuracy of sample, prevent the interference of other gases, and then improve the accuracy of analysis result, in the nitrogen gas in will the surge tank is drawn back the gas holder through the aspiration pump, can realize that the sample expansion courage is in the negative pressure state, be convenient for take a sample and aerify.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a surge tank of the present utility model;
FIG. 3 is a cross-sectional view of a sample expansion bladder of the present utility model.
In the figure: 1-pressure regulating tank, 2-sampling expansion liner, 3-gas storage tank, 4-aspiration pump, 5-manometer, 6-first electromagnetic valve, 7-electronic pressure relief, 8-second electromagnetic valve, 11-pipeline, 12-pillow block, 13-bottom plate, 21-intake pipe, 22-pipe sleeve, 23-quick connector of trachea, 24-connecting seat.
Detailed Description
Example 1
As shown in fig. 1 to 3, the sampler for analyzing toxic gas according to the present utility model adopts a technical scheme that the sampler comprises a pressure regulating tank 1, a pipeline 11 is arranged at the left end opening of the pressure regulating tank 1, two sides of the lower side wall of the pressure regulating tank 1 are respectively and fixedly connected with a pillow block 12, the lower parts of the pillow blocks 12 are fixedly connected with a bottom plate 13, a sampling expansion liner 2 is arranged in the pressure regulating tank 1, the sampling expansion liner 2 is an olive cavity, the sampling expansion liner 2 is made of elastic rubber, the left end opening of the sampling expansion liner 2 is hermetically connected with an air inlet pipe 21, toxic and harmful gas enters the sampling expansion liner 2 through the air inlet pipe 21, the sampling expansion liner 2 is an olive cavity, and has a certain elasticity, and the outside of the sampling expansion liner 2 is in a negative pressure environment in the pressure regulating tank 1, so that the sampling expansion liner 2 is expanded like a balloon by the toxic and harmful gas, the reading of the pressure gauge 5 is observed to judge the pressure of the gas filled in the sampling expansion liner 2, the gas inlet pipe 21 penetrates through the pipeline 11 and is in sealing connection with the pipeline 11 through the pipe sleeve 22, thus the sampling expansion liner 2 is placed in the sealing environment in the pressure regulating tank 1, the pressure in the pressure regulating tank 1 is conveniently changed, the exhaust and the inflation of the sampling expansion liner 2 are realized, the left end of the gas inlet pipe 21 is fixedly connected with the gas pipe quick connector 23, the sampling device can be quickly connected with a branch pipe of a toxic and harmful gas pipeline through the gas pipe quick connector 23, the right end of the sampling expansion liner 2 is fixedly connected with the inner side wall of the right end of the pressure regulating tank 1 through the connecting seat 24, the upper end of the pressure regulating tank 1 is provided with the gas storage tank 3, the opening on the right side wall of the gas storage tank 3 is communicated with the exhaust pipe of the air pump 4, the intake pipe of aspiration pump 4 with the jar body wall intercommunication of pressure regulating jar 1 right-hand member, the upper side wall of pressure regulating jar 1 still is provided with manometer 5, can observe the inside atmospheric pressure change of pressure regulating jar 1 through manometer 5, the gas pressure in the indirect judgement sample inflation courage 2, the upper side wall trompil sealing installation first solenoid valve 6 of pipeline 11, the case of first solenoid valve 6 is installed in intake pipe 21, the sealed installation electron relief valve 7 of pipe wall upper portion trompil on the right side of trachea quick-operation joint 23, trompil installation second solenoid valve 8 on the intake pipe wall of aspiration pump 4.
The working principle of the utility model is as follows: when in use, the first electromagnetic valve 6 and the second electromagnetic valve 8 are opened, the air pump 4 is closed, so that high-pressure liquid nitrogen gas in the air storage tank 3 flows back into the pressure regulating tank 1 through a pipeline of the air pump 4, the air pressure in the pressure regulating tank 1 is further rapidly increased, the high-pressure air in the pressure regulating tank 1 is used for compressing the sampling expansion liner 2 and extruding air in the sampling expansion liner through the air inlet pipe 21, the pressure gauge 5 is observed, whether the gas in the sampling expansion liner 2 is completely extruded can be judged, then the first electromagnetic valve 6 and the second electromagnetic valve 8 are closed, then a part of gas of the harmful gas pipeline is butted with the air pipe quick connector 23 through an air pipe, part of the harmful gas is led into the air inlet pipe 21, after the reading of the electronic pressure relief valve 7 is observed to a certain value, the electronic pressure relief valve 7 is opened, the toxic gas mixed with air in the air inlet pipe is discharged through the exhaust pipe of the electronic pressure relief valve 7, after the corresponding time is discharged, the electronic pressure relief valve 7 is closed, the first electromagnetic valve 6 and the second electromagnetic valve 8 are opened, the air pump 4 is opened, the air in the sampling expansion tank 2 is quickly pumped back into the air storage tank 3 at the upper part by the air pump 4, then the second electromagnetic valve 8 and the air pump 4 are closed, the sampling expansion tank 2 in the pressure regulating tank 1 is in a negative pressure environment, the toxic and harmful gas flows into the sampling expansion tank 2 through the air inlet pipe 21, a part of the toxic and harmful gas is stored in the sampling expansion tank 2 through the preset corresponding sampling time, then the first electromagnetic valve 6 is closed, when the toxic and harmful gas is required to be analyzed, the toxic and harmful gas in the sampling expansion tank 2 can be led into the gas analyzer through the air inlet pipe 21 of the device, and performing targeted analysis.
Electrical connections or structures not described in detail herein are prior art.
Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.
Claims (6)
1. A sampler for toxic gas analysis, characterized by: including surge tank (1), the left end opening of surge tank (1) sets up pipeline (11), set up sample expansion courage (2) in surge tank (1), sample expansion courage (2) are olive die cavity, the left end opening sealing connection intake pipe (21) of sample expansion courage (2), intake pipe (21) pass pipeline (11) pass through pipe box (22) with sealing connection between pipeline (11), the left end fixed connection trachea quick-operation joint (23) of intake pipe (21), the right-hand member of sample expansion courage (2) pass through connecting seat (24) with the right-hand member inside wall fixed connection of surge tank (1), the upper end of surge tank (1) sets up gas holder (3), the right side wall trompil of gas holder (3) communicates with the blast pipe of aspiration pump (4), the intake pipe of aspiration pump (4) with the jar body wall intercommunication of surge tank (1) right-hand member, the upper side wall of surge tank (1) still is provided with pressure gauge (5).
2. A sampler for toxic gas analysis according to claim 1 wherein: the left side and the right side of the lower side wall of the pressure regulating tank (1) are respectively and fixedly connected with a sleeper block (12), and the lower parts of the sleeper blocks (12) are fixedly connected with a bottom plate (13).
3. A sampler for toxic gas analysis according to claim 1 wherein: the upper side wall of the pipeline (11) is provided with a hole for sealing and installing a first electromagnetic valve (6), and a valve core of the first electromagnetic valve (6) is installed in the air inlet pipe (21).
4. A sampler for toxic gas analysis according to claim 1 wherein: the sampling expansion liner (2) is made of elastic rubber.
5. A sampler for toxic gas analysis according to claim 1 wherein: an electronic pressure relief valve (7) is arranged at the upper part of the pipe wall on the right side of the quick connector (23) in a sealing way.
6. A sampler for toxic gas analysis according to claim 1 wherein: and a second electromagnetic valve (8) is arranged on the pipe wall of the air inlet pipe of the air pump (4) in an opening way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321064965.8U CN219694665U (en) | 2023-05-06 | 2023-05-06 | Sampler for toxic gas analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321064965.8U CN219694665U (en) | 2023-05-06 | 2023-05-06 | Sampler for toxic gas analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219694665U true CN219694665U (en) | 2023-09-15 |
Family
ID=87963026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321064965.8U Active CN219694665U (en) | 2023-05-06 | 2023-05-06 | Sampler for toxic gas analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219694665U (en) |
-
2023
- 2023-05-06 CN CN202321064965.8U patent/CN219694665U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210375882U (en) | Dedicated gas device of getting of transformer gas | |
| CN209272074U (en) | A kind of airbag Quick cleaning device | |
| CN203432431U (en) | Pressure sealing devices and anti-pressure capability detecting tester and system used for porous flat tube for air condition heat exchanger | |
| CN219694665U (en) | Sampler for toxic gas analysis | |
| CN112924249B (en) | Sampling and injecting device and method for carbon isotope analysis of slurry gas | |
| CN201716165U (en) | Gas tightness detecting device | |
| CN201378164Y (en) | Gas automatically collecting and analyzing device | |
| CN201532288U (en) | Leak detection seal tool used for heavy pressure gas leak detection method | |
| CN102269666B (en) | Gas sample enrichment apparatus for ultra-low leakage rate detection, and method thereof | |
| CN201321859Y (en) | Drilling injection sampling device | |
| CN213933236U (en) | Oil taking and injecting equipment for chromatographic detection of transformer oil | |
| CN210533634U (en) | Long tube gas cylinder gas tightness testing arrangement | |
| CN206847871U (en) | A kind of device for the leak detection of high-pressure oil pipe high pressure | |
| CN111207957A (en) | Method for collecting liquid in negative pressure device into closed bottle | |
| CN207741989U (en) | A kind of gas sampling assembly | |
| CN111896184A (en) | Intelligent airtightness detection device and detection method for automobile parts | |
| CN213456303U (en) | Air bag sampling intermittent type flue gas measuring system | |
| CN114062056B (en) | Sampling device suitable for negative pressure and positive pressure gas pipeline | |
| DE29605650U1 (en) | Arrangement for connecting a low pressure input of a gas analysis device | |
| CN216050986U (en) | Portable low-temperature liquid-gas sampling container with self-pressurization device in test | |
| CN218177990U (en) | Pressure air pumping valve device at tail end of town gas construction pipeline | |
| CN220601251U (en) | Natural gas pipeline sampling valve | |
| CN2322138Y (en) | Air sampler | |
| CN211652278U (en) | Shallow natural gas acquisition and sample preparation device | |
| CN220490500U (en) | Sample collection mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |