CN213022854U - Detection equipment for atmospheric pollution treatment - Google Patents
Detection equipment for atmospheric pollution treatment Download PDFInfo
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- CN213022854U CN213022854U CN202021278938.7U CN202021278938U CN213022854U CN 213022854 U CN213022854 U CN 213022854U CN 202021278938 U CN202021278938 U CN 202021278938U CN 213022854 U CN213022854 U CN 213022854U
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000005070 sampling Methods 0.000 claims abstract description 51
- 238000004868 gas analysis Methods 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000004378 air conditioning Methods 0.000 claims abstract description 3
- 239000000725 suspension Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 34
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000011897 real-time detection Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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Abstract
The utility model relates to an atmosphere pollution administers and uses check out test set, including collection unit, filter, desicator and gas analysis unit, its technical essential is: the collection unit includes the sampling pump, the sampling ball, locate the filter screen on the sampling ball inner wall, locate the temperature sensor on the sampling ball, humidity transducer and pressure sensor, the input of filter is connected with the output of sampling pump, the output of filter is connected with the input of desicator, be equipped with the bypass branch road between the input control valve front end of desicator and the output of desicator, and be equipped with the bypass valve on the bypass branch road, gas analysis unit includes infrared gas analysis appearance, locate the transparent cold air room in the infrared gas analysis appearance outside, transparent cold air room is equipped with air inlet and the gas outlet of being connected with air conditioning circulation system. The utility model provides a current outdoor detection equipment detect the problem that the data precision is low under the influence of impurity factor in temperature, humidity, pressure and air, show to have improved the detection precision.
Description
Technical Field
The utility model relates to an atmosphere pollution detection technical field specifically is a check out test set is used in atmosphere pollution treatment.
Background
Atmospheric pollution refers to the phenomenon that the content of some substances in the atmosphere reaches harmful degree so as to destroy the ecological system and the condition for normal survival and development of human beings, and harm people or objects. The components of the atmospheric pollutants can be analyzed by sampling and detecting the air, so that the problems of mechanism, distribution, scale and the like of harm caused by the atmospheric pollutants can be deeply researched, and necessary basis can be provided for treating the atmospheric pollution.
At present, when the outdoor detection of atmospheric pollutants is carried out, an infrared gas analyzer detects certain gases such as CO and CO2、CH4，NO、NO2、SO2And the like, the sensor with the relatively mature sensor is the first choice for the rapid test. However, the following problems also exist in the using process: 1. the detection process needs to be carried out at a constant temperature, and the change of the ambient temperature can directly influence the stability of the infrared light source, the intensity of infrared radiation, the continuous flowing gas sample density of the measurement gas chamber and the normal work of the detector. If the temperature greatly exceeds the normal state, the output impedance of the detector is reduced, so that the instrument can not work normally and even can be damaged. 2. Atmospheric pressure varies even in the same region and on the same day. If the weather suddenly changes, the atmospheric pressure changes greatly, the air sample emptying flow speed is directly influenced, and the density of the air sample in the air chamber can be changed along with the change of the atmospheric pressure after the air chamber is measured and directly emptied, so that additional errors are caused. 3. Through experiments, the air humidity and impurities contained in the air can be improvedAffecting the accuracy of the detection result.
Disclosure of Invention
The utility model aims at providing a convenient operation, use reliable atmosphere pollution to administer and use check out test set, solve the problem that current outdoor check out test set detects the data precision low under the influence of impurity factor in temperature, humidity, pressure and air, show to have improved and detect the precision.
The technical scheme of the utility model is that:
the utility model provides an atmospheric pollution administers and uses check out test set, includes acquisition unit, filter, desicator and gas analysis unit, and its technical essential is: the collection unit includes the sampling pump, the hollow sampling ball that is connected with sampling pump input end and surface fretwork, locate filter screen on the sampling ball inner wall, be fixed in temperature sensor, humidity transducer and pressure sensor on the sampling ball, the input of filter is connected with the output of sampling pump, the output of filter is connected with the input of desicator, be equipped with the bypass branch road between the input control valve front end of desicator and the output of desicator, and be equipped with the bypass valve on the bypass branch road, gas analysis unit includes the infrared gas analysis appearance of being connected with the desicator output, locates the transparent cold air room in the infrared gas analysis appearance outside, transparent cold air room is equipped with air inlet and the gas outlet of being connected with air conditioning circulation system, the air chamber blow-down pipe of infrared gas analysis appearance is drawn forth and is installed the atmospheric valve by transparent cold air room, and the temperature sensor, the humidity sensor, the pressure sensor, the sampling pump, the dryer, the infrared gas analyzer and the cold air circulating system are respectively connected with the equipment controller.
The detection equipment for treating the atmospheric pollution is characterized in that the output end of the filter is provided with a flowmeter, and the flowmeter is connected with an equipment controller.
In the detection equipment for atmospheric pollution control, the detection heads of the temperature sensor, the humidity sensor and the pressure sensor are respectively positioned on the inner side of the sampling ball.
The filter comprises a shell, the upper portion of the shell is a cylinder, the lower portion of the shell is a cone, the bottom of the cone is an ash discharge port, a tangential air inlet is formed in the upper portion of the cylinder, an inner suspension cylinder is arranged at the center of the cylinder, a gas channel is formed between the inner suspension cylinder and the cylinder, the lower end of the inner suspension cylinder is open, and a sealing cover are arranged at the upper end of the inner suspension cylinder and connected with an output end pipeline of the filter.
In the detection equipment for atmospheric pollution treatment, the dryer is an electric heating dryer.
The detection equipment for treating the atmospheric pollution is characterized in that the sampling pump adopts a diaphragm pump.
The utility model has the advantages that:
1. through temperature sensor real-time detection ambient temperature, if surpass infrared gas analyzer's the highest operating temperature, the equipment controller signals, adjusts transparent cold air chamber's temperature through cold air circulating system to adjust infrared gas analyzer's the degree of being heated, play the cooling guard action to infrared gas analyzer.
2. Through humidity transducer real-time detection ambient humidity, if surpass and set for humidity, moisture is too big in the air promptly, and the equipment controller signals opens input control valve and starts the desicator, makes dry gas get into infrared gas analysis appearance, improves gaseous detection precision.
3. Through pressure sensor real-time detection ambient pressure, when atmospheric pressure changes great, there is direct influence to the gas appearance speed of emptying, consequently, send the flow of signal adjustment sampling pump through the equipment control ware to guarantee that the density of gas appearance is stable in the infrared gas analysis appearance air chamber, improve the gas detection precision.
4. The filter screen through the sampling ball inboard filters the sampling gas once, and the rethread filter carries out secondary filter to the sampling gas, filters the particulate impurity in the gas, improves gaseous detection precision.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an electrical schematic diagram of the present invention.
In the figure: 1. the device comprises a sampling ball, 101, a filter screen, 102, a vent hole, 2, a sampling pipeline, 3, a sampling pump, 4, a filter, 401, a tangential air inlet, 402, a shell, 403, an inner suspension cylinder, 404, an ash discharge port, 5, a flow meter, 6, an input control valve, 7, a dryer, 8, an air outlet, 9, a transparent cold air chamber, 10, an infrared gas analyzer, 11, an emptying valve, 12, an air inlet, 13, a bypass branch, 14, a bypass valve, 15, a temperature sensor, 16, a humidity sensor, 17, a pressure sensor, 18, a device controller and 19, and a cold air circulating system.
Detailed Description
As shown in fig. 1 to 3, the detection device for atmospheric pollution control includes a collection unit, a filter 4, a dryer 7, and a gas analysis unit.
The sampling unit comprises a sampling pump 3, a hollow sampling ball 1 connected with the input end of the sampling pump 3 and having a hollowed surface, a filter screen 101 arranged on the inner wall of the sampling ball 1, and a temperature sensor 15, a humidity sensor 16 and a pressure sensor 17 which are fixed on the sampling ball 1. The surface of the sampling ball 1 is uniformly provided with vent holes 102. The input of filter 4 is connected with the output of sampling pump 3, the output of filter 4 is connected with the input of desicator 7, be equipped with bypass branch road 13 between the input control valve 6 front end of desicator 7 and the output of desicator 7, and be equipped with bypass valve 14 on the bypass branch road 13. The gas analysis unit comprises an infrared gas analyzer 10 connected with the output end of the dryer 7 and a transparent cold air chamber 9 arranged outside the infrared gas analyzer 10, the transparent cold air chamber 9 is provided with an air inlet 12 and an air outlet 8 which are connected with a cold air circulating system 19, and an air chamber vent pipe of the infrared gas analyzer 10 is led out by the transparent cold air chamber 9 and is provided with a vent valve 11. The temperature sensor 15, the humidity sensor 16, the pressure sensor 17, the sampling pump 3, the dryer 7, the infrared gas analyzer 10 and the cold air circulating system 19 are respectively connected with an equipment controller 18.
In this embodiment, the output end of the filter 4 is provided with a flow meter 5, and the flow meter 5 is connected with an equipment controller 18 to detect the gas flow. The detection heads of the temperature sensor 15, the humidity sensor 16 and the pressure sensor 17 are respectively positioned at the inner side of the sampling ball 1 so as to protect the detection heads of the temperature sensor 15, the humidity sensor 16 and the pressure sensor 17. The filter 4 comprises a shell 402, wherein the upper part of the shell 402 is a cylinder, the lower part of the shell 402 is a cone, the bottom of the cone is an ash discharge port 404, the upper part of the cylinder is provided with a tangential air inlet 401, the center of the cylinder is provided with an inner suspension cylinder 403, an air channel is formed between the inner suspension cylinder 403 and the cylinder, the lower end of the inner suspension cylinder 403 is open, and the upper end of the inner suspension cylinder is provided with a sealing cover which is connected with an output end pipeline of the filter. The dryer 7 adopts an electric heating dryer. The sampling pump 3 adopts a diaphragm pump.
When the sampling device is used, the sampling ball 1 is placed in the atmosphere and is connected with the input end of the sampling pump 3 through the sampling pipeline 2, and under the action of the sampling pump 3, gas entering from the hollow surface of the sampling ball 1 enters the filter 4 through the sampling pipeline 2 and the sampling pump 3 to filter impurities; if the humidity sensor 16 detects that the ambient humidity exceeds the set humidity, the bypass valve 14 is closed, the input control valve 6 is opened, the filtered gas enters the dryer 7 to be dried, and the dried gas enters the infrared gas analyzer 10 to be analyzed and detected. When the humidity sensor 16 detects that the ambient humidity is low and does not exceed the set humidity, that is, the moisture in the air is low, the bypass valve 14 is opened, the input control valve 6 is closed, and the filtered air directly enters the infrared gas analyzer 10 for detection and analysis. During continuous detection, the emptying valve 11 is in an open state, the pressure sensor 17 detects the environmental pressure in real time, and when the atmospheric pressure changes greatly, the gas flow is adjusted through the sampling pump 3, so that the gas density in the gas chamber of the infrared gas analyzer is adjusted. When the temperature sensor 15 detects that the ambient temperature exceeds the maximum working temperature of the infrared gas analyzer 10, the temperature of the transparent cold air chamber 9 is adjusted by the cold air circulating system 19, so that the working ambient temperature of the infrared gas analyzer is stabilized.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (6)
1. The utility model provides an atmospheric pollution administers and uses check out test set, includes acquisition unit, filter, desicator and gas analysis unit, its characterized in that: the collection unit includes the sampling pump, the hollow sampling ball that is connected with sampling pump input end and surface fretwork, locate filter screen on the sampling ball inner wall, be fixed in temperature sensor, humidity transducer and pressure sensor on the sampling ball, the input of filter is connected with the output of sampling pump, the output of filter is connected with the input of desicator, be equipped with the bypass branch road between the input control valve front end of desicator and the output of desicator, and be equipped with the bypass valve on the bypass branch road, gas analysis unit includes the infrared gas analysis appearance of being connected with the desicator output, locates the transparent cold air room in the infrared gas analysis appearance outside, transparent cold air room is equipped with air inlet and the gas outlet of being connected with air conditioning circulation system, the air chamber blow-down pipe of infrared gas analysis appearance is drawn forth and is installed the atmospheric valve by transparent cold air room, and the temperature sensor, the humidity sensor, the pressure sensor, the sampling pump, the dryer, the infrared gas analyzer and the cold air circulating system are respectively connected with the equipment controller.
2. The detection device for atmospheric pollution control according to claim 1, wherein: the output end of the filter is provided with a flowmeter, and the flowmeter is connected with an equipment controller.
3. The detection device for atmospheric pollution control according to claim 1, wherein: and the detection heads of the temperature sensor, the humidity sensor and the pressure sensor are respectively positioned on the inner sides of the sampling balls.
4. The detection device for atmospheric pollution control according to claim 1, wherein: the filter comprises a shell, wherein the upper part of the shell is a cylinder, the lower part of the shell is a cone, the bottom of the cone is an ash discharge port, the upper part of the cylinder is provided with a tangential air inlet, the center of the cylinder is provided with an inner suspension cylinder, an air channel is formed between the inner suspension cylinder and the cylinder, the lower end of the inner suspension cylinder is open, and the upper end of the inner suspension cylinder is provided with a sealing cover and the sealing cover is connected with an output end pipeline of.
5. The detection device for atmospheric pollution control according to claim 1, wherein: the dryer adopts an electric heating dryer.
6. The detection device for atmospheric pollution control according to claim 1, wherein: the sampling pump adopts a diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021278938.7U CN213022854U (en) | 2020-07-04 | 2020-07-04 | Detection equipment for atmospheric pollution treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021278938.7U CN213022854U (en) | 2020-07-04 | 2020-07-04 | Detection equipment for atmospheric pollution treatment |
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| Publication Number | Publication Date |
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| CN213022854U true CN213022854U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021278938.7U Active CN213022854U (en) | 2020-07-04 | 2020-07-04 | Detection equipment for atmospheric pollution treatment |
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| CN (1) | CN213022854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030377A (en) * | 2023-08-17 | 2023-11-10 | 河北华测检测服务有限公司 | Atmospheric pollution concentration sampler and sampling method |
-
2020
- 2020-07-04 CN CN202021278938.7U patent/CN213022854U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030377A (en) * | 2023-08-17 | 2023-11-10 | 河北华测检测服务有限公司 | Atmospheric pollution concentration sampler and sampling method |
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