CN112326371A - Sampling device for gaseous pollutant sample discharged by boiler combustion in alpine region - Google Patents
Sampling device for gaseous pollutant sample discharged by boiler combustion in alpine region Download PDFInfo
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- CN112326371A CN112326371A CN202011132987.4A CN202011132987A CN112326371A CN 112326371 A CN112326371 A CN 112326371A CN 202011132987 A CN202011132987 A CN 202011132987A CN 112326371 A CN112326371 A CN 112326371A
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- bottle
- pipe
- air
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- polytetrafluoroethylene
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- 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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
-
- 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
- G01N1/24—Suction devices
-
- 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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
- G01N2001/2217—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption using a liquid
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sampling device for a boiler combustion emission gaseous pollutant sample in an alpine region, which comprises a fixed box, wherein sliding grooves are formed in two sides of the inner wall of the fixed box, electric sliding blocks are connected inside the two sliding grooves in a sliding manner, a fixed plate is fixedly arranged between the two electric sliding blocks, and a fixed net is fixedly connected to the bottom of the fixed plate; the two white absorption bottles and the two brown absorption bottles can fully absorb gaseous pollutants in the air, and the low measurement result caused by insufficient absorption of the gaseous pollutants due to the slow single absorption speed is prevented.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to a sampling device for a gaseous pollutant sample discharged by boiler combustion in a severe cold area.
Background
The boiler combustion emission gaseous pollutant mainly refers to sulfur dioxide and nitrogen oxide discharged by boiler combustion, and the chemical analysis method is a standard analysis method for measuring the concentration of the boiler combustion emission gaseous pollutant. After a certain amount of gas absorbed by the absorption liquid in the absorption bottle is collected from the flue, the absorption bottle is taken back to a laboratory for chemical analysis to obtain the amount of the absorbed pollutants, and the amount of the absorbed pollutants is divided by the standard volume of the collected sample to calculate the concentration of the gaseous pollutants discharged by the combustion of the boiler.
The sampling device of current gaseous pollutant concentration when very low and the great condition of flue gas humidity of severe cold area ambient temperature down-sampling, the easy dewfall of pipeline of connecting sampling pipe and absorption bottle to cause the testing result to hang down.
Disclosure of Invention
The invention aims to provide a sampling device for a gaseous pollutant sample discharged by boiler combustion in a severe cold area, which aims to solve the problem that when the sampling device for the gaseous pollutant is sampled under the conditions of low environmental temperature and high flue gas humidity in the severe cold area, a pipeline connecting a sampling pipe and an absorption bottle is easy to dew, so that the measurement result is low.
In order to achieve the purpose, the invention provides the following technical scheme: a sampling device for gaseous pollutant samples discharged by boiler combustion in alpine regions comprises a fixed box, wherein sliding grooves are formed in two sides of the inner wall of the fixed box, electric sliding blocks are connected inside the two sliding grooves in a sliding mode, a fixed plate is fixedly arranged between the two electric sliding blocks, a fixed net is fixedly connected to the bottom of the fixed plate, fixed grooves are formed in four corners of the top of the fixed plate, white absorption bottles are connected inside two adjacent fixed grooves in a clamping mode, the top ends of the two white absorption bottles are connected with a first bottle plug in a clamping mode, the inside of the other two fixed grooves are connected with a brown absorption bottle in a clamping mode, the top ends of the two brown absorption bottles are connected with a second bottle plug in a clamping mode, one end of the top of one first bottle plug and one end of the top of one second bottle plug are connected with an air, the air inlets of the two air inlet pipes are respectively and fixedly communicated with two first polytetrafluoroethylene pipes, one ends of the two first polytetrafluoroethylene pipes are respectively and fixedly communicated with two ends of a first glass three-way pipe, one side of the first glass three-way pipe is fixedly communicated with a first polycondensation tetrafluoroethylene pipe, one end of the first polycondensation tetrafluoroethylene pipe penetrates through one side of a fixed box and is in threaded connection with one end of a nut fixedly connected with one side of the fixed box, the other end of the nut is in threaded connection with the air inlet end of a sampling pipe, a first connecting pipe is fixedly communicated between the two first bottle stoppers, a second connecting pipe is fixedly communicated between the two second bottle stoppers, one end of the top of the other first bottle stopper and one end of the top of the other second bottle stopper are both connected with an air exhaust pipe in a clamping manner, and the air exhaust ends of the two air exhaust pipes are both fixedly communicated with a second polytetrafluoroethylene pipe, one end of each of the two second polytetrafluoroethylene tubes is fixedly communicated with two ends of the second glass three-way tube respectively, one side of the second glass three-way tube is fixedly communicated with a second polycondensation polytetrafluoroethylene tube, and the air exhaust end of the second polycondensation polytetrafluoroethylene tube is fixedly connected with the air exhaust opening of the air exhaust pump.
As a preferable technical solution of the present invention, the air outlet of one of the air inlet pipes extends to the bottom end of the interior of one of the white absorption bottles, and the air outlet of the other air inlet pipe extends to the bottom end of the interior of one of the brown absorption bottles.
As a preferable technical solution of the present invention, the air outlet of the first connecting tube extends to the bottom end of the inside of the other white absorption bottle, and the air outlet of the second connecting tube extends to the bottom end of the inside of the other brown absorption bottle.
As a preferable technical scheme of the invention, one end of the fixed box is fixedly connected with a handle.
As a preferred technical solution of the present invention, a temperature sensing switch and a semiconductor refrigerator are respectively and fixedly installed on two sides of an inner wall of the fixing box, the semiconductor refrigerator is electrically connected to an external power supply through the temperature sensing switch, a slider switch and an air pump switch are respectively and fixedly installed on two ends of one side of the fixing box, the two electric sliders are electrically connected to the external power supply through the slider switch, and the air pump is electrically connected to the external power supply through the air pump switch.
Compared with the prior art, the invention has the beneficial effects that:
1. the electric slide block, the fixing net and the fixing plate are arranged, so that the positions of the white absorption bottle and the brown absorption bottle can be adjusted, the white absorption bottle and the brown absorption bottle are convenient to store and take, meanwhile, the temperature sensing switch and the semiconductor refrigerator can refrigerate when exceeding a certain temperature, the refrigerating space can be reduced by adjusting the fixing plate, the refrigerating effect is good, the absorption rate of gaseous pollutants is improved, and the result is more accurate;
2. the two white absorption bottles and the two brown absorption bottles are arranged, so that gaseous pollutants in the air can be fully absorbed, and the situation that the measurement result is low due to insufficient absorption of the gaseous pollutants caused by the slow single absorption speed is prevented.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a front partial cross-sectional view of the present invention.
In the figure: 1. a fixed box; 2. a chute; 3. an electric slider; 4. a fixing plate; 5. fixing grooves; 6. a white absorption bottle; 7. a brown absorption bottle; 8. a first stopper; 9. a second stopper; 10. a first glass three-way pipe; 11. a first stretched polytetrafluoroethylene tube; 12. a nut; 13. a sampling tube; 14. a second glass three-way pipe; 15. a second stretched polytetrafluoroethylene tube; 16. an air pump; 17. a handle; 18. a semiconductor refrigerator; 19. and fixing the net.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the invention provides a sampling device for gaseous pollutants discharged from boiler combustion in alpine regions, which comprises a fixed box 1, wherein sliding grooves 2 are respectively formed on two sides of the inner wall of the fixed box 1, electric sliding blocks 3 are respectively connected inside the two sliding grooves 2 in a sliding manner, a fixed plate 4 is fixedly arranged between the two electric sliding blocks 3, a fixed net 19 is fixedly connected to the bottom of the fixed plate 4, fixed grooves 5 are respectively formed on four corners of the top of the fixed plate 4, white absorption bottles 6 are respectively connected inside the two adjacent fixed grooves 5 in a clamping manner, first bottle stoppers 8 are respectively connected on the top ends of the two white absorption bottles 6 in a clamping manner, brown absorption bottles 7 are respectively connected inside the two fixed grooves 5 in a clamping manner, second bottle stoppers 9 are respectively connected on the top ends of the two brown absorption bottles 7 in a clamping manner, one end of the top of one first bottle stopper 8 and one end of the, the air inlets of the two air inlet pipes are respectively fixedly communicated with the two first polytetrafluoroethylene pipes, one ends of the two first polytetrafluoroethylene pipes are respectively fixedly communicated with two ends of the first glass three-way pipe 10, one side of the first glass three-way pipe 10 is fixedly communicated with a first polycondensation tetrafluoroethylene pipe 11, one end of the first polycondensation tetrafluoroethylene pipe 11 penetrates through one side of the fixed box 1 and is in threaded connection with one end of a nut 12 fixedly connected with one side of the fixed box 1, the other end of the nut 12 is in threaded connection with the air inlet end of the sampling pipe 13, a first connecting pipe is fixedly communicated between the two first bottle stoppers 8, a second connecting pipe is fixedly communicated between the two second bottle stoppers 9, one end of the top of the other first bottle stopper 8 and one end of the top of the other second bottle stopper 9 are respectively connected with an air exhaust pipe in a clamping manner, the air exhaust ends of the two air exhaust pipes are respectively fixedly communicated with a second polytetrafluoroethylene pipe, one ends of the two second polytetrafluoroethylene pipes are respectively fixedly communicated with two ends of the second glass three-way pipe 14, a second polycondensation tetrafluoroethylene tube 15 is fixedly communicated with one side of the second glass three-way tube 14, and the air exhaust end of the second polycondensation tetrafluoroethylene tube 15 is fixedly connected with the air exhaust opening of the air exhaust pump 16.
Preferably, the air outlet of one air inlet pipe extends to the bottom end inside one of the white absorption bottles 6, and the air outlet of the other air inlet pipe extends to the bottom end inside one of the brown absorption bottles 7, so that the gas and the absorption solution fully react, and the accuracy is improved.
Preferably, the air outlet of the first connecting pipe extends to the bottom end inside the other white absorption bottle 6, and the air outlet of the second connecting pipe extends to the bottom end inside the other brown absorption bottle 7, so that secondary absorption reaction is performed, and the absorption sufficiency is improved.
Preferably, one end of the fixed box 1 is fixedly connected with a handle 17, so that the fixed box is convenient to take and place.
Preferably, both sides of the inner wall of the fixed box 1 are respectively and fixedly provided with a temperature sensing switch and a semiconductor refrigerator 18, the semiconductor refrigerator 18 is electrically connected with an external power supply through the temperature sensing switch, both ends of one side of the fixed box 1 are respectively and fixedly provided with a slider switch and an air pump switch, two electric sliders 3 are electrically connected with the external power supply through the slider switches, an air pump 16 is electrically connected with the external power supply through the air pump switch, the electric sliders 3, a fixed net 19 and a fixed plate 4 can adjust the positions of a white absorption bottle 6 and a brown absorption bottle 7 so as to be stored and taken conveniently, meanwhile, the temperature sensing switch and the semiconductor refrigerator 18 can heat at low temperature and can reduce the heating space through the adjustment of the fixed plate 4, the heat preservation effect is good, the absorption rate of gaseous pollutants is improved, the result is more accurate, and the model of the.
When the sampling device is used specifically, the slider switch is started, the two electric sliders 3 slide along the sliding chute 2, so that the fixing plate 4 drives the fixing net 19 to ascend and descend, and the white absorption bottle 6 and the brown absorption bottle 7 are convenient to store and take; when the external temperature is lower than the preset value of the temperature sensing switch, the temperature sensing switch is closed, the semiconductor refrigerator 18 heats, and meanwhile, the electric slide block 3 can accommodate the device into the fixed box 1 by adjusting the height of the fixed plate 4, so that the heating space is reduced, the heat preservation effect is good, and the absorption is more sufficient; starting the air pump switch, air pump 16 bleeds, and gas loops through intake pipe, first connecting pipe and second connecting pipe and gets into two white absorption bottles 6 and two brown absorption bottles 7 respectively, can fully absorb the gaseous pollutant in the air, prevents that single absorption speed from making gaseous pollutant absorb inadequately slowly and leading to measuring result on the low side.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a severe cold district boiler combustion discharges gaseous pollutant sample sampling device, includes fixed case (1), its characterized in that: the two sides of the inner wall of the fixed box (1) are respectively provided with a sliding chute (2), the insides of the two sliding chutes (2) are respectively connected with an electric sliding block (3) in a sliding manner, a fixed plate (4) is fixedly arranged between the two electric sliding blocks (3), the bottom of the fixed plate (4) is fixedly connected with a fixed net (19), four corners of the top of the fixed plate (4) are respectively provided with a fixed groove (5), wherein the insides of two adjacent fixed grooves (5) are respectively connected with a white absorption bottle (6) in a clamping manner, the top ends of the two white absorption bottles (6) are respectively connected with a first bottle plug (8) in a clamping manner, the insides of the other two fixed grooves (5) are respectively connected with a brown absorption bottle (7) in a clamping manner, the top ends of the two brown absorption bottles (7) are respectively connected with a second bottle plug (9) in a clamping manner, one end of the top of the, the air inlets of the two air inlet pipes are respectively and fixedly communicated with two first polytetrafluoroethylene pipes, one ends of the two first polytetrafluoroethylene pipes are respectively and fixedly communicated with two ends of a first glass three-way pipe (10), one side of the first glass three-way pipe (10) is fixedly communicated with a first polycondensation polytetrafluoroethylene pipe (11), one end of the first polycondensation polytetrafluoroethylene pipe (11) penetrates through one side of a fixed box (1) and is in threaded connection with one end of a nut (12) fixedly connected with one side of the fixed box (1), the other end of the nut (12) is in threaded connection with the air inlet end of a sampling pipe (13), a first connecting pipe is fixedly communicated between the two first bottle stoppers (8), a second connecting pipe is fixedly communicated between the two second bottle stoppers (9), one end of the top of the other first bottle stopper (8) and one end of the top of the other second bottle stopper (9) are both clamped and connected with an air pumping pipe, the air exhaust ends of the two air exhaust pipes are fixedly communicated with second polytetrafluoroethylene pipes, one ends of the two second polytetrafluoroethylene pipes are fixedly communicated with two ends of a second glass three-way pipe (14) respectively, one side of the second glass three-way pipe (14) is fixedly communicated with a second polycondensation polytetrafluoroethylene pipe (15), and the air exhaust end of the second polycondensation polytetrafluoroethylene pipe (15) is fixedly connected with an air exhaust opening of the air exhaust pump (16).
2. The sampling device for the gaseous pollutants discharged by the boiler in the alpine region, according to claim 1, is characterized in that: the air outlet of one air inlet pipe extends to the bottom end inside one white absorption bottle (6), and the air outlet of the other air inlet pipe extends to the bottom end inside one brown absorption bottle (7).
3. The sampling device for the gaseous pollutants discharged by the boiler in the alpine region, according to claim 1, is characterized in that: the air outlet of the first connecting pipe extends to the bottom end inside the other white absorption bottle (6), and the air outlet of the second connecting pipe extends to the bottom end inside the other brown absorption bottle (7).
4. The sampling device for the gaseous pollutants discharged by the boiler in the alpine region, according to claim 1, is characterized in that: one end of the fixed box (1) is fixedly connected with a handle (17).
5. The sampling device for the gaseous pollutants discharged by the boiler in the alpine region, according to claim 1, is characterized in that: the temperature-sensing switch and the semiconductor refrigerator (18) are fixedly mounted on two sides of the inner wall of the fixed box (1) respectively, the semiconductor refrigerator (18) is electrically connected with an external power supply through the temperature-sensing switch, a slider switch and an air pump switch are fixedly mounted at two ends of one side of the fixed box (1) respectively, the electric sliders (3) are electrically connected with the external power supply through the slider switch, and the air pump (16) is electrically connected with the external power supply through the air pump switch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020221835717 | 2020-09-29 | ||
| CN202022183571 | 2020-09-29 |
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| Publication Number | Publication Date |
|---|---|
| CN112326371A true CN112326371A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011132987.4A Pending CN112326371A (en) | 2020-09-29 | 2020-10-21 | Sampling device for gaseous pollutant sample discharged by boiler combustion in alpine region |
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| CN (1) | CN112326371A (en) |
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Application publication date: 20210205 |