CN216116977U

CN216116977U - A quick sampling device for detecting waste gas of mill

Info

Publication number: CN216116977U
Application number: CN202122404023.7U
Authority: CN
Inventors: 陈灿林; 赵开; 龚伟
Original assignee: Guangdong Deliang Environmental Protection Technology Co ltd
Current assignee: Guangdong Deliang Environmental Protection Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-22
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a rapid sampling device for detecting factory waste gas, which comprises a box body and a supporting plate, wherein the top of the supporting plate seals the bottom of the box body, and the box body comprises: the cooling chamber is communicated with an air inlet pipe, the air inlet pipe is provided with a first valve, a refrigerating device is arranged outside the cooling chamber, the refrigerating device is connected with a cold air pipe, and the cold air pipe is arranged in the cooling chamber; the temperature detection device is arranged at the top in the cooling chamber; the detection chamber is arranged at the lower end of the cooling chamber, a first partition plate is arranged between the detection chamber and the cooling chamber, and a gas detector is arranged in the detection chamber; the two ends of the first electromagnetic valve are respectively communicated with the cooling chamber and the detection chamber; the exhaust fan, the exhaust fan is connected with the outlet duct, is equipped with the second valve in the outlet duct, and the outlet duct intercommunication detects the room, and after the cold air duct through refrigerating plant cooled down the indoor waste gas of cooling to the setting value in, open first solenoid valve and pass through gas detector and detect gas, can be better with temperature control in the temperature range that is fit for the detection.

Description

A quick sampling device for detecting waste gas of mill

Technical Field

The utility model relates to the technical field of waste gas detection, in particular to a quick sampling device for detecting factory waste gas.

Background

At present, industrial waste gas refers to a general term of various pollutant-containing gases discharged into air in the process of fuel combustion and production in a factory area of an enterprise. These gases enter the human body and are harmful to the human body, and some gases have an accumulation effect and are more harmful to the health of the human body, so that an exhaust gas detection instrument is required to detect the discharged exhaust gas.

Industrial waste gas in some factories has high temperature, the service life of the instrument is shortened by using the instrument for long-term detection, the detection value is inaccurate, the effect is poor when high-temperature waste gas is treated, and the sampling speed of the existing waste gas detection instrument is low when sampling, so that the time is consumed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art, and to this end, the present invention provides a rapid sampling device for detecting plant exhaust gas.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

according to an embodiment of the first aspect of the present invention, a rapid sampling device for detecting plant exhaust gas comprises: the refrigerator comprises a refrigerator body and a supporting plate, wherein the top of the supporting plate is sealed at the bottom of the refrigerator body, the refrigerator body comprises a cooling chamber, the top of one end of the cooling chamber is communicated with an air inlet pipe, a first valve is arranged in the air inlet pipe, a first mounting plate is arranged on the outer side wall of one end of the cooling chamber, a refrigerating device is arranged on the first mounting plate, the refrigerating device is connected with an air cooling pipe, the air cooling pipe is arranged at one end in the cooling chamber, and two ends of the air cooling pipe penetrate through the inner side wall of the cooling chamber and extend to the outside of the cooling chamber to be connected with the refrigerating device; the temperature detection device is arranged at the top of the inner side of the other end of the cooling chamber; the detection chamber is arranged at the lower end of the cooling chamber, a first partition plate is arranged between the detection chamber and the cooling chamber, a gas detector is arranged in the detection chamber, and the gas detector is mounted on the first partition plate; the first electromagnetic valve is arranged at the lower end of the temperature detection device and is arranged on the first partition plate, and two ends of the first electromagnetic valve are respectively communicated with the cooling chamber and the detection chamber; the air exhauster, the air exhauster set up in the backup pad top, the air exhauster is connected with the outlet duct, be provided with the second valve in the outlet duct, the outlet duct intercommunication the detection room.

The quick sampling device for detecting the factory exhaust gas provided by the embodiment of the utility model has at least the following beneficial effects: can reach the effect of quick sample through the air exhauster, detect the waste gas that gets into the cooling chamber through temperature-detecting device, when gas temperature is in the setting value, open first solenoid valve and pass through gas detection appearance detection gas, when waste gas exceedes the setting value, open refrigerating plant, refrigerating plant carries out the heat exchange through the cold air duct, with the indoor waste gas cooling of cooling back in to the setting value, open first solenoid valve and pass through gas detection appearance detection gas, detect up to standard gas and pass through the air exhauster discharge.

According to some embodiments of the utility model, the cooling system further comprises a second mounting plate, a motor, fan blades and a rotating shaft, wherein the second mounting plate is connected with the outer side wall of the other end of the cooling chamber, the motor is arranged on the second mounting plate, the fan blades are arranged on the inner side wall of the other end of the cooling chamber, one end of the rotating shaft is connected with the motor, and the other end of the rotating shaft penetrates through the outer side wall of the cooling chamber and extends into the cooling chamber to be connected with the fan blades.

According to some embodiments of the utility model, the device further comprises a filter chamber and a second electromagnetic valve, wherein the filter chamber is arranged at the lower end of the detection chamber, and a second partition plate is arranged between the filter chamber and the detection chamber; the gas detector is arranged in the middle of the first partition plate, the first electromagnetic valve is arranged on one side of the gas detector and is arranged on the first partition plate, and the second electromagnetic valve is arranged on the other side of the gas detector and is arranged on the second partition plate.

According to some embodiments of the utility model, further comprising a closing door provided with a handle, said closing door being mounted to the side wall of the filtering chamber, a filtering mechanism being provided within the filtering chamber, said filtering mechanism comprising an adsorption mesh, a filtering screen, filtering cotton and a purification plate.

According to some embodiments of the utility model, further comprising a germicidal lamp disposed between the filter mechanism and the second solenoid valve and mounted to the second baffle.

According to some embodiments of the utility model, the air purifier further comprises a vacuum machine and an exhaust pipe, wherein a third valve is arranged in the exhaust pipe, the germicidal lamp and the second electromagnetic valve are arranged on one side of the filtering mechanism, the side wall of the filtering chamber on the other side of the filtering mechanism is communicated with one end of the exhaust pipe, the other end of the exhaust pipe is connected with the vacuum machine, and the vacuum machine is arranged on the top of the box body.

According to some embodiments of the utility model, the air pressure sensor is arranged on the top of the inner side of the cooling chamber.

According to some embodiments of the utility model, the refrigerator further comprises a third mounting plate and a controller, the third mounting plate is arranged on the outer side wall of the box body, the controller is arranged on the third mounting plate, and the controller is respectively connected with the motor, the refrigerating device, the temperature detection device, the air pressure sensor, the gas detector, the germicidal lamp, the first electromagnetic valve, the second electromagnetic valve, the first valve, the second valve and the third valve.

According to some embodiments of the utility model, the support plate further comprises a wheel, a first connecting rod, a second connecting rod and a support rod, wherein the wheel is provided with a wheel shaft, two ends of the wheel shaft are respectively connected with one ends of the first connecting rod and the second connecting rod, the other end of the first connecting rod is connected with one end of the bottom of the support rod, the other end of the second connecting rod is connected with the other end of the bottom of the support rod, and the top of the support rod is connected with the bottom of the support plate.

According to some embodiments of the utility model, the lifting top comprises a third connecting rod, a fourth connecting rod and supporting legs, one end of the third connecting rod is telescopically connected with one end of the fourth connecting rod, the other end of the third connecting rod is connected with the bottom of the supporting plate, and the other end of the fourth connecting rod is connected with the supporting legs.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a right side view of the present invention;

fig. 4 is a schematic view of the filter mechanism of the present invention.

In the figure: 1. a box body; 2. a support plate; 3. a cooling chamber; 4. an air inlet pipe; 5. a first valve; 6. a first mounting plate; 7. a refrigeration device; 8. a cold air pipe; 9. a temperature detection device; 10. a detection chamber; 11. a first separator; 12. a gas detector; 13. a first solenoid valve; 14. an exhaust fan; 15. an air outlet pipe; 16. a second valve; 17. a second mounting plate; 18. a motor; 19. a fan blade; 20. a rotating shaft; 21. a filtering chamber; 22. a second solenoid valve; 23. a second separator; 24. a closing door; 25. a handle; 26. a filtering mechanism; 27. an adsorption net; 28. a filter screen; 29. filtering cotton; 30. a purification plate; 31. a germicidal lamp; 32. a vacuum extractor; 33. an exhaust pipe; 34. a third valve; 35. an air pressure sensor; 36. a third mounting plate; 37. a controller; 38. a wheel; 39. a first connecting rod; 40. a second connecting rod; 41. a support bar; 42. a wheel axle; 43. lifting and jacking; 44. a third connecting rod; 45. a fourth connecting rod; 46. support the feet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are further described below with reference to the accompanying drawings.

The technical solutions in the embodiments of the present invention will be fully described below, and it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

According to some embodiments, a rapid sampling device for detecting factory exhaust gas includes a housing 1 and a supporting plate 2, the supporting plate 2 closing the bottom of the housing 1 at the top, the housing 1 including: the cooling chamber 3 is characterized in that the top of one end of the cooling chamber 3 is communicated with an air inlet pipe 4, a first valve 5 is arranged in the air inlet pipe 4, a first mounting plate 6 is arranged on the outer side wall of one end of the cooling chamber 3, a refrigerating device 7 is arranged on the first mounting plate 6, the refrigerating device 7 is connected with a cold air pipe 8, the cold air pipe 8 is arranged at one end in the cooling chamber 3, and two ends of the cold air pipe 8 penetrate through the inner side wall of the cooling chamber 3 and extend to the outside of the cooling chamber 3 to be connected with the refrigerating device 7; the temperature detection device 9 is arranged at the top of the inner side of the other end of the cooling chamber 3, and the temperature detection device 9 is arranged at the top of the inner side of the other end of the cooling chamber; the detection chamber 10 is arranged at the lower end of the cooling chamber 3, a first partition plate 11 is arranged between the detection chamber 10 and the cooling chamber 3, a gas detector 12 is arranged in the detection chamber 10, and the gas detector 12 is arranged on the first partition plate 11; the first electromagnetic valve 13 is arranged at the lower end of the temperature detection device 9 and is installed on the first partition plate 11, and two ends of the first electromagnetic valve 13 are respectively communicated with the cooling chamber 3 and the detection chamber 10; and the exhaust fan 14 is arranged at the top of the supporting plate 2, the exhaust fan 14 is connected with an air outlet pipe 15, the air outlet pipe 15 is provided with a second valve 16, and the other end of the air outlet pipe 15 is communicated with the detection chamber 10.

Based on the above embodiment, as shown in fig. 1 and fig. 2, the first valve 5 is opened to align the exhaust gas with the inlet pipe 4, and then the first electromagnetic valve 13, the second valve 16 and the exhaust fan 14 are opened, so that the exhaust gas automatically enters the temperature reduction chamber 3 from the inlet pipe 4. The volume of the gas which can be extracted by the exhaust fan 14 every rotation is calculated in advance according to the rotation speed of the exhaust fan 14, and the gas with the corresponding volume can be introduced into the gas inlet pipe 4 by the exhaust fan 14 when the exhaust fan 14 extracts the gas with the volume. The volume of the waste gas entering the temperature reduction chamber 3 can be estimated approximately according to the rotating speed and the number of the rotating circles of the exhaust fan 14, when the volume of the waste gas entering the temperature reduction chamber 3 is equal to the volume of the temperature reduction chamber 3, the first electromagnetic valve 13, the exhaust fan 14, the first valve 5 and the second valve 16 are closed, and the temperature of the waste gas is detected through the temperature detection device 9. When the temperature does not exceed the preset temperature value range, the first electromagnetic valve 13, the exhaust fan 14, the first valve 5 and the second valve 16 are opened, so that the waste gas enters the detection chamber 10, and the gas is detected by the gas detector 12. When the temperature exceeds a preset temperature value range, the refrigerating device 7 is started, the refrigerating device 7 exchanges heat with the gas in the temperature reduction chamber 3 through the cold air pipe 8, when the gas in the temperature reduction chamber 3 is cooled to the preset temperature value range, the first electromagnetic valve 13, the exhaust fan 14, the first valve 5 and the second valve 16 are opened, the cold air pipe 8 is still in a working state, the volume of the waste gas entering the detection chamber 10 can be estimated approximately according to the rotating speed and the number of rotating circles of the exhaust fan 14, and after the volume of the waste gas entering the detection chamber 10 is equal to the volume of the detection chamber 10, the first electromagnetic valve 13, the exhaust fan 14, the first valve 5 and the second valve 16 are closed, and the gas is detected through the gas detector 12. Wherein, cold air duct 8 sets up in the one end of cooling chamber 3, and intake pipe 4 communicates in the top of cooling chamber 3 one end, and cold air duct 8 is in the lower extreme of intake pipe 4, can carry out quick heat exchange with the gas that gets into cooling chamber 3. Wherein, temperature-detecting device 9 sets up in the top of the cooling chamber 3 other end, and first solenoid valve 13 sets up on the first baffle 11 of cooling chamber 3 other end bottom, and temperature-detecting device 9 can be fast effectual detects the temperature of the gas that will get into detection room 10, and the gas that reaches the temperature value within the range of setting for through abundant heat exchange can get into detection room 10 through opening first solenoid valve 13. Wherein, the volume of the temperature reducing chamber 3 is larger than that of the detection chamber 10, so that the gas cooled by the temperature reducing chamber 3 can be filled in the detection chamber 10, and the detection is more accurate. The aforesaid can reach the effect of quick sample through air exhauster 14, through set up refrigerating plant 7 in the cooling chamber 3 outside, sets up cold air duct 8 in the cooling chamber 3, can effectually carry out the heat exchange with the waste gas in the cooling chamber 3, reaches the effect of cooling, detects whether waste gas reaches the most suitable temperature value of gas detection appearance 12 through temperature-detecting device 9 and detects, makes to detect more accurately, also makes gas detection appearance 12's life more permanent.

According to some embodiments, the cooling device further comprises a second mounting plate 17, a motor 18, fan blades 19 and a rotating shaft 20, wherein the second mounting plate 17 is connected with the outer side wall of the other end of the cooling chamber 3, the motor 18 is arranged on the second mounting plate 17, the fan blades 19 are arranged on the inner side wall of the other end of the cooling chamber 3, one end of the rotating shaft 20 is connected with the motor 18, and the other end of the rotating shaft penetrates through the outer side wall of the cooling chamber 3 and extends to the inside of the cooling chamber 3 to be connected with the fan blades 19.

Based on the above embodiment, as shown in fig. 1 and fig. 2, when the temperature of the exhaust gas entering the temperature reduction chamber 3 exceeds the set temperature value range, the motor 18 drives the rotating shaft 20 and the fan blades 19 to rotate to assist the rapid temperature reduction of the gas by starting the refrigerating device 7 and the motor 18. The cold air pipe 8 of the refrigerating device 7 is disposed at one end of the cooling chamber 3, the fan blade 19 and the rotating shaft 20 are disposed at the other end, and the fan blade 19 blows the exhaust gas at the other end to the cold air pipe 8, so that the exhaust gas cooling speed is faster.

According to some embodiments, the device further comprises a filter chamber 21 and a second electromagnetic valve 22, wherein the filter chamber 21 is arranged at the lower end of the detection chamber 10, and a second partition plate 23 is arranged between the filter chamber 21 and the detection chamber 10; the gas detector 12 is disposed in the middle of the first partition 11, the first solenoid valve 13 is disposed on one side of the gas detector 12 and mounted on the first partition 11, and the second solenoid valve 22 is disposed on the other side of the gas detector 12 and mounted on the second partition 23.

Based on the above embodiment, as shown in fig. 2, the second electromagnetic valve 22 is disposed at the other end opposite to the first electromagnetic valve 13, and the gas detector 12 is disposed at the middle portion of the first partition 11, and is pumped out from the exhaust fan 14 when the gas detected by the gas detector 12 reaches the standard, and is exhausted after being filtered by the filtering chamber 21 when the gas detected by the gas detector 12 does not reach the standard. Through above-mentioned embodiment, through filtering when the gas that detects will be in the exhaust air, can effectively reduce exhaust pollution, make the detection more environmental protection.

According to some embodiments, the device further comprises a closing door 24, the closing door 24 is provided with a handle 25, the closing door 24 is mounted on the side wall of the filtering chamber 21, a filtering mechanism 26 is arranged in the filtering chamber 21, and the filtering mechanism 26 comprises an adsorption net 27, a filtering net 28, filtering cotton 29 and a purifying plate 30.

Based on the above-mentioned embodiment, the filtering mechanism 26 is provided in the filtering chamber 21, and the filtering mechanism 26 includes: an adsorption net 27 for removing odor; the filter screen 28 is used for removing dust and filtering oversize particles; a filter cotton 29 for removing moisture; a purification plate 30 for removing acid gases. The closure door 24 is used to replace the filter mechanism 26. Through the embodiment, the waste gas can be better purified and then discharged into the air.

According to some embodiments, the sterilizing lamp 31 is further included, and the sterilizing lamp 31 is disposed between the filtering mechanism 26 and the second electromagnetic valve 22 and is installed on the second partition 23.

Based on the above embodiment, the germicidal lamp 31 is disposed before the filtering mechanism 26, so that the gas before filtering is sterilized by the germicidal lamp 31, which can effectively prevent the filtering mechanism 26 from mildewing and can better purify the exhaust gas.

According to some embodiments, the air-purifying device further comprises a vacuum-pumping machine 32 and an air-pumping pipe 33, a third valve 34 is arranged in the air-pumping pipe 33, the germicidal lamp 31 and the second solenoid valve 22 are arranged on one side of the filtering mechanism 26, the side wall of the filtering chamber 21 on the other side of the filtering mechanism 26 is communicated with one end of the air-pumping pipe 33, the other end of the air-pumping pipe 33 is connected with the vacuum-pumping machine 32, and the vacuum-pumping machine 32 is arranged on the top of the box body 1.

Based on the above embodiment, the third valve 34, the first electromagnetic valve 13 and the second electromagnetic valve 22 are firstly opened, the vacuumizer 32 is started to vacuumize the temperature reduction chamber 3, the detection chamber 10 and the filtration chamber 21, after the temperature reduction chamber 3, the detection chamber 10 and the filtration chamber 21 reach a certain negative pressure, the third valve 34, the first electromagnetic valve 13, the second electromagnetic valve 22 and the vacuumizer 32 are closed, the air inlet pipe 4 is aligned with the exhaust gas, the first valve 5 is opened, the exhaust gas automatically enters the temperature reduction chamber 3 from the air inlet pipe, and the temperature of the exhaust gas is detected by the temperature detection device 9. When the temperature is in the set temperature value range, the first electromagnetic valve 13 is opened, and the exhaust gas automatically enters the detection chamber 10. When the temperature is not within the set temperature value range, the refrigerating device 7 is started, the first valve 5 is closed, the motor 18 is opened, the gas is cooled, when the gas temperature is reduced to the set temperature value range, the motor 18 is closed, the first electromagnetic valve 13 and the first valve 5 are opened, the gas automatically enters the detection chamber 10, at the moment, the refrigerating device 7 continues to work, the gas detector 12 detects waste gas, when the gas reaches the standard, the waste gas is discharged from the exhaust fan 14, when the gas does not reach the standard, the second electromagnetic valve 22, the third valve 34 and the sterilizing lamp 31 are opened, the first valve 5 is closed, the vacuumizing machine 32 is started, the waste gas is filtered and then discharged from the vacuumizing machine 32, and the vacuumizing machine 32, the third valve 34, the first electromagnetic valve 13, the second electromagnetic valve 22 and the sterilizing lamp 31 are closed after vacuumizing is completed. The above work is repeated when the waste gas is detected next time, and the effect of quick sampling can be achieved through vacuumizing. Above-mentioned embodiment, can be with the automatic quick entering cooling room 3 of gaseous, detection room 10 and filter chamber 21, can discharge standard gas from air exhauster 14, substandard gas is taken out through evacuation machine 32 behind the filter chamber 21 filtration again, reaches the effect of evacuation simultaneously, when using next time, opens first valve 5, because inside negative pressure, gaseous automatic entering cooling room 3 in, can continue repetitive work, convenient and fast.

According to some embodiments, further comprising an air pressure sensor 35, said air pressure sensor 35 being arranged at the top inside said cooling chamber 3.

Based on the above embodiment, the air pressure sensor 35 is disposed at the top of the inner side of the temperature reduction chamber 3, and after the first valve 5 and the second valve 16 are closed and the first electromagnetic valve 13, the second electromagnetic valve 22, the third valve 34 and the vacuum extractor 32 are opened, the air pressure sensor 35 can detect the internal air pressure, stop the vacuum extraction when the set air pressure value is reached, and close the first electromagnetic valve 13, the second electromagnetic valve 22, the third valve 34 and the vacuum extractor 32. The air pressure sensor 35 is effective to detect the internal air pressure condition.

According to some embodiments, the refrigerator further comprises a third mounting plate 36 and a controller 37, the third mounting plate 36 is disposed on the outer side wall of the cabinet 1, the controller 37 is disposed on the third mounting plate 36, and the controller 37 is respectively connected to the motor 18, the refrigeration device 7, the temperature detection device 9, the air pressure sensor 35, the gas detector 12, the germicidal lamp 31, the first electromagnetic valve 13, the second electromagnetic valve 22, the first valve 5, the second valve 16 and the third valve 34.

Based on the above embodiment, by providing the controller 37, the motor 18, the refrigeration device 7, the temperature detection device 9, the air pressure sensor 35, the gas detector 12, the germicidal lamp 31, the first solenoid valve 13, the second solenoid valve 22, the first valve 5, the second valve 16, and the third valve 34 can be automatically and intelligently turned on or off, so that the manpower can be saved, and the control is more accurate. The first valve 5, the second valve 16 and the third valve 34 may be controlled by a controller 37 or may be manually controlled.

According to some embodiments, the device further comprises a wheel 38, a first connecting rod 39, a second connecting rod 40 and a supporting rod 41, wherein the wheel 38 is provided with an axle 42, two ends of the axle 42 are respectively connected with one ends of the first connecting rod 39 and the second connecting rod 40, the other end of the first connecting rod 39 is connected with one end of the bottom of the supporting rod 41, the other end of the second connecting rod 40 is connected with the other end of the bottom of the supporting rod 41, and the top of the supporting rod 41 is connected with the bottom of the supporting plate 2.

Based on the above embodiment, through setting up wheel 38, first connecting rod 39, second connecting rod 40 and bracing piece 41, can be with the more light removal of the sampling device of this application, more convenient to use.

According to some embodiments, the lifting top 43 is further included, the lifting top 43 includes a third connecting rod 44, a fourth connecting rod 45 and a supporting foot 46, one end of the third connecting rod 44 and one end of the fourth connecting rod 45 are telescopically connected, the other end of the third connecting rod 44 is connected with the bottom of the supporting plate 2, and the other end of the fourth connecting rod 45 is connected with the supporting foot 46.

Based on the above embodiment, by providing the lifting top 43, after the sampling device of the present application is moved to the target location by the wheels 38, the lifting top 43 is used to fix the sampling device of the present application, and the sampling device can also be used for lifting or lowering, and is more convenient to use.

In some embodiments, the present invention first controls the first valve 5 and the second valve 16 to be closed, the first solenoid valve 13, the second solenoid valve 22, the third valve 34 to be opened, and the vacuum extractor 32 to be activated by the controller 37, vacuums the temperature reduction chamber 3, the detection chamber 10, and the filter chamber 21, and closes the first solenoid valve 13, the second solenoid valve 22, the third valve 34, and the vacuum extractor 32 after detecting that the internal air pressure reaches a set value by the air pressure sensor 35. With intake pipe 4 alignment waste gas, open first valve 5, be the negative pressure in the cooling chamber 3, gaseous automatic entering cooling chamber 3 through intake pipe 4 in, whether reach the temperature value within range of setting for through the waste gas in the temperature-detecting device 9 detection cooling chamber 3, when not reaching the temperature value within range of setting for, start refrigerating plant 7, through the cooling of cold air duct 8, when the temperature is very high, close first valve 5, it helps the cooling through pivot 20 and flabellum 19 to open motor 18. When the temperature in the cooling chamber 3 reaches the set temperature value range, the first valve 5 and the first electromagnetic valve 13 are opened, the motor 18 is closed, the refrigerating device 7 continues to work, the waste gas enters the detection chamber 10, and the gas detector 12 detects the waste gas. When the gas reaches the standard, the gas is discharged from the exhaust fan 14, and the above vacuum-pumping operation is repeated after the gas is discharged. When the gas does not reach the standard, the first valve 5 is closed, the second electromagnetic valve 22, the germicidal lamp 31, the third valve 34 and the vacuum extractor 32 are opened, the interior is exhausted, meanwhile, the interior is vacuumized, when the internal gas pressure reaches a set value, the first electromagnetic valve 13, the second electromagnetic valve 22, the germicidal lamp 31, the third valve 34 and the vacuum extractor 32 are closed, and the operation is repeated when the next batch of waste gas is detected.

It will be evident to those skilled in the art that the utility model is not limited to the exemplary embodiments described above, but that the present solution is capable of being embodied in other specific forms without departing from the essential characteristics thereof. Accordingly, the embodiments should be considered as exemplary and non-limiting.

Claims

1. A quick sampling device for detecting factory exhaust gas, which comprises a box body (1) and a supporting plate (2), wherein the top of the supporting plate (2) is sealed at the bottom of the box body (1), and the box body (1) is characterized by comprising:

the cooling chamber (3), the top of one end of the cooling chamber (3) is communicated with an air inlet pipe (4), a first valve (5) is arranged in the air inlet pipe (4), a first mounting plate (6) is arranged on the outer side wall of one end of the cooling chamber (3), a refrigerating device (7) is arranged on the first mounting plate (6), the refrigerating device (7) is connected with a cold air pipe (8), the cold air pipe (8) is arranged at one end in the cooling chamber (3), and two ends of the cold air pipe (8) penetrate through the inner side wall of the cooling chamber (3) and extend to the outside of the cooling chamber (3) to be connected with the refrigerating device (7);

the temperature detection device (9), the temperature detection device (9) is arranged at the top of the inner side of the other end of the cooling chamber (3);

the device comprises a detection chamber (10), wherein the detection chamber (10) is arranged at the lower end of the cooling chamber (3), a first partition plate (11) is arranged between the detection chamber (10) and the cooling chamber (3), a gas detector (12) is arranged in the detection chamber (10), and the gas detector (12) is arranged on the first partition plate (11);

the first electromagnetic valve (13) is arranged at the lower end of the temperature detection device (9) and is installed on the first partition plate (11), and two ends of the first electromagnetic valve (13) are respectively communicated with the cooling chamber (3) and the detection chamber (10);

air exhauster (14), air exhauster (14) set up in backup pad (2) top, air exhauster (14) are connected with outlet duct (15), be provided with second valve (16) in outlet duct (15), outlet duct (15) intercommunication detection room (10).

2. The rapid sampling device for detecting plant exhaust gas according to claim 1, wherein: still include second mounting panel (17), motor (18), flabellum (19) and pivot (20), second mounting panel (17) are connected the lateral wall of cooling chamber (3) other end, motor (18) set up in second mounting panel (17), flabellum (19) set up in the inside wall of cooling chamber (3) other end, pivot (20) one end is connected motor (18), the other end runs through cooling chamber (3) lateral wall extends to cooling chamber (3) in-connection flabellum (19).

3. A rapid sampling device for detecting plant exhaust gas according to claim 1 or 2, characterized in that: the device also comprises a filter chamber (21) and a second electromagnetic valve (22), wherein the filter chamber (21) is arranged at the lower end of the detection chamber (10), and a second partition plate (23) is arranged between the filter chamber (21) and the detection chamber (10);

the gas detector (12) is arranged in the middle of the first partition plate (11), the first electromagnetic valve (13) is arranged on one side of the gas detector (12) and is installed on the first partition plate (11), and the second electromagnetic valve (22) is arranged on the other side of the gas detector (12) and is installed on the second partition plate (23).

4. A rapid sampling device for detecting plant exhaust gas according to claim 3, characterized in that: still including closing door (24), closing door (24) are provided with handle (25), closing door (24) install in filter chamber (21) lateral wall, be provided with filtering mechanism (26) in filter chamber (21), filtering mechanism (26) are including adsorbing net (27), filter screen (28), filter pulp (29) and purifying plate (30).

5. The rapid sampling device for detecting plant exhaust gas according to claim 4, characterized in that: the sterilizing device further comprises a sterilizing lamp (31), wherein the sterilizing lamp (31) is arranged between the filtering mechanism (26) and the second electromagnetic valve (22) and is installed on the second partition plate (23).

6. The rapid sampling device for detecting plant exhaust gas according to claim 5, wherein: still include evacuation machine (32) and exhaust column (33), be provided with third valve (34) in exhaust column (33), bactericidal lamp (31) with second solenoid valve (22) set up in one side of filter mechanism (26), filter mechanism (26) opposite side filter chamber (21) lateral wall intercommunication exhaust column (33) one end, exhaust column (33) other end is connected evacuation machine (32), evacuation machine (32) set up in box (1) top.

7. The rapid sampling device for detecting plant exhaust gas according to claim 6, wherein: the greenhouse is characterized by further comprising an air pressure sensor (35), wherein the air pressure sensor (35) is arranged at the top of the inner side of the cooling chamber (3).

8. The rapid sampling device for detecting plant exhaust gas according to claim 7, wherein: still include third mounting panel (36) and controller (37), third mounting panel (36) set up in box (1) lateral wall, controller (37) set up in third mounting panel (36), controller (37) are connected respectively motor (18), refrigerating plant (7), temperature-detecting device (9), baroceptor (35), gas detection appearance (12), bactericidal lamp (31), first solenoid valve (13), second solenoid valve (22), first valve (5), second valve (16) and third valve (34).

9. The rapid sampling device for detecting plant exhaust gas according to claim 1, wherein: the wheel support is characterized by further comprising a wheel (38), a first connecting rod (39), a second connecting rod (40) and a supporting rod (41), wherein the wheel (38) is provided with a wheel shaft (42), two ends of the wheel shaft (42) are respectively connected with one ends of the first connecting rod (39) and the second connecting rod (40), the other end of the first connecting rod (39) is connected with one end of the bottom of the supporting rod (41), the other end of the second connecting rod (40) is connected with the other end of the bottom of the supporting rod (41), and the top of the supporting rod (41) is connected with the bottom of the supporting plate (2).

10. The rapid sampling device for detecting plant exhaust gas according to claim 1, wherein: still include lift top (43), lift top (43) include third connecting rod (44), fourth connecting rod (45) and supporting legs (46), the one end of third connecting rod (44) with the scalable connection of one end of fourth connecting rod (45), the other end of third connecting rod (44) with backup pad (2) bottom is connected, the other end of fourth connecting rod (45) with supporting legs (46) are connected.