CN214472104U - Negative pressure gas collecting device for malodorous gas - Google Patents
Negative pressure gas collecting device for malodorous gas Download PDFInfo
- Publication number
- CN214472104U CN214472104U CN202120332484.5U CN202120332484U CN214472104U CN 214472104 U CN214472104 U CN 214472104U CN 202120332484 U CN202120332484 U CN 202120332484U CN 214472104 U CN214472104 U CN 214472104U
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- Prior art keywords
- electromagnetic valve
- pipe
- negative pressure
- vacuum pump
- gas production
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 238000005070 sampling Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- CXOFVDLJLONNDW-UHFFFAOYSA-N Phenytoin Chemical compound N1C(=O)NC(=O)C1(C=1C=CC=CC=1)C1=CC=CC=C1 CXOFVDLJLONNDW-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
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Abstract
The utility model relates to a foul gas negative pressure gas production device, including the staving, the top of staving is equipped with sealed bung, is equipped with the inlet port on the sealed bung, and the equipment cabin is ann in the bottom of staving, is located to be equipped with the gas collection bag in the staving between sealed bung and the equipment cabin, and the sampling end and the inlet port of gas collection bag are connected, and the bottom in equipment cabin is equipped with the bottom plate, is equipped with the through-hole that is linked together with the equipment under-deck on the bottom plate. The utility model discloses a bottom at the staving sets up and ann has the intake pipe, the blast pipe, the connection is responsible for, the equipment compartment of connecting branch pipe and vacuum pump, cooperation solenoid valve one and solenoid valve two, solved foul gas negative pressure gas production bucket because of the system pipeline longer lead to the slow problem of sampling rate, through set up the gas production bag in the staving between equipment compartment and the sealed bung, the vacuum pump, the connection is responsible for, the connecting branch pipe is installed in the equipment compartment, the dirty vacuum pump pipeline device of sample gas has been avoided, repeated sampling has been solved, the problem of sample gas mutual interference.
Description
Technical Field
The utility model relates to a technical field is gathered to foul smell sample gas, especially relates to a foul smell gas negative pressure gas production device.
Background
The odor is regarded as a disturbing pollution harmful to human health, has become the environmental problem of the focus, China measures with the standard GB/T14675 + 1993 three-point comparison type odor bag method for measuring the air quality odor aiming at the odor detection at present, the first step of the process is to accurately and rapidly collect and send the sample gas to be detected back to a laboratory, and then analyze the sample gas, but the odor gas has the characteristics of transitivity and instantaneity, the existing odor gas negative pressure gas collection device has the problem of slow sampling rate caused by long system pipelines when in use, and the pipeline devices such as a vacuum pump and the like are easily polluted during sampling, and the problem of mutual interference of the sample gas exists during repeated sampling.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a malodorous gas negative pressure gas production device.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a negative pressure gas production device for malodorous gas comprises a barrel body, wherein the top end of the barrel body is provided with a sealing barrel cover, a plurality of barrel cover locking buckles are circumferentially connected on the sealing barrel cover, the sealing barrel cover is detachably and hermetically connected with the barrel body through the barrel cover locking buckles, the sealing barrel cover is provided with a gas inlet hole, an equipment cabin is arranged at the bottom of the barrel body, the side wall of the equipment cabin is in sealed contact with the inner wall of the barrel body, the top end of the equipment cabin is provided with a gas outlet hole communicated with the barrel body, a gas production bag is arranged in the barrel body between the sealing barrel cover and the equipment cabin, the sampling end of the gas production bag is connected with the gas inlet hole, the bottom of the equipment cabin is provided with a bottom plate, the bottom plate is provided with a through hole communicated with the equipment cabin, the bottom wall of the barrel body is provided with an opening corresponding to the through hole, a vacuum pump, a battery and a mainboard are arranged in the equipment cabin, the vacuum pump, the battery and the mainboard are all arranged on the bottom plate, and the exhaust end of the vacuum pump is connected with a gas inlet pipe, the other end of intake pipe even has solenoid valve one, the end of breathing in of vacuum pump even has the blast pipe, the other end of blast pipe even has solenoid valve two, be equipped with the passageway with the equipment compartment intercommunication on solenoid valve one and the solenoid valve two, all even there is the connecting branch pipe on solenoid valve one and the solenoid valve two, solenoid valve one and solenoid valve two are the three-way valve and inside all is equipped with the switching-over valve, solenoid valve one and the different gas passage of switching-over valve intercommunication are crossed to solenoid valve two, two connecting branch pipes even have same connecting main pipe, connecting main pipe's the other end and venthole sealing connection, the battery is the mainboard power supply, the mainboard pass through the wire respectively with solenoid valve one, solenoid valve two and vacuum pump connection.
The number of the barrel cover locking buckles is 4.
The barrel body is of a transparent structure.
The air outlet is of a cylindrical through hole structure.
The bottom plate and the equipment cabin are arranged in an integrated structure.
The pipe diameters of the air inlet pipe and the air outlet pipe are the same.
And a sealing ring is arranged at the joint of the connecting main pipe and the connecting branch pipe.
The utility model has the advantages that: the utility model discloses a bottom at the staving sets up and ann has the intake pipe, the blast pipe, the connection is responsible for, the equipment compartment of connecting branch pipe and vacuum pump, cooperation solenoid valve one and solenoid valve two, solved foul gas negative pressure gas production bucket because of the system pipeline longer lead to the slow problem of sampling rate, through set up the gas production bag in the staving between equipment compartment and the sealed bung, the vacuum pump, the connection is responsible for, the connecting branch pipe is installed in the equipment compartment, the dirty vacuum pump pipeline device of sample gas has been avoided, repeated sampling has been solved, the problem of sample gas mutual interference.
Drawings
FIG. 1 is a diagram illustrating the usage of the present invention;
FIG. 2 is a schematic view of the internal structure of the equipment compartment of the present invention;
in the figure: 1-sealing the barrel cover; 2-locking buckle of the barrel cover; 3, a barrel body; 4-air collecting bag; 5-equipment cabin; 6-air outlet holes; 7-air inlet holes; 8-a bottom plate; 9-a battery; 10-a first electromagnetic valve; 11-a second electromagnetic valve; 12-a main board; 13-a vacuum pump; 14-a through hole; 15-air inlet pipe; 16-an exhaust pipe; 17-connecting the main pipe; 18-connecting branch pipes;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in the figure, the negative pressure malodorous gas production device comprises a barrel body 3, wherein a sealing barrel cover 1 is arranged at the top end of the barrel body 3, a plurality of barrel cover locking buckles 2 are circumferentially connected on the sealing barrel cover 1, the sealing barrel cover 1 is detachably and hermetically connected with the barrel body 3 through the barrel cover locking buckles 2, an air inlet 7 is arranged on the sealing barrel cover 1, an equipment chamber 5 is arranged at the bottom of the barrel body 3, the side wall of the equipment chamber 5 is in sealing contact with the inner wall of the barrel body 3, an air outlet 6 communicated with the barrel body 3 is arranged at the top end of the equipment chamber 5, an air production bag 4 is arranged in the barrel body 3 between the sealing barrel cover 1 and the equipment chamber 5, a sampling end of the air production bag 4 is connected with the air inlet 7, a bottom plate 8 is arranged at the bottom of the equipment chamber 5, a through hole 14 communicated with the equipment chamber 5 is arranged on the bottom plate 8, an opening corresponding to the through hole 14 is arranged on the bottom wall of the barrel body 3, a vacuum pump 13 is arranged in the equipment chamber 5, The vacuum pump 13, the battery 9 and the mainboard 12 are all installed on the bottom plate 8, the exhaust end of the vacuum pump 13 is connected with an air inlet pipe 15, the other end of the air inlet pipe 15 is connected with a first electromagnetic valve 10, the air suction end of the vacuum pump 13 is connected with an exhaust pipe 16, the other end of the exhaust pipe 16 is connected with a second electromagnetic valve 11, the first electromagnetic valve 10 and the second electromagnetic valve 11 are provided with channels communicated with the equipment cabin 5, the first electromagnetic valve 10 and the second electromagnetic valve 11 are both connected with connecting branch pipes 18, the first electromagnetic valve 10 and the second electromagnetic valve 11 are three-way valves and are internally provided with reversing valves, the first electromagnetic valve 10 and the second electromagnetic valve 11 are communicated with different gas channels through the reversing valves, the two connecting branch pipes 18 are connected with the same connecting main pipe 17, the other end of the connecting main pipe 17 is hermetically connected with the air outlet hole 6, the battery 9 supplies power to the mainboard 12, and the first electromagnetic valve 10 are respectively connected with the main pipe 12 through a lead wire, the second electromagnetic valve 11 is connected with a vacuum pump 13.
The number of the barrel cover locking buckles 2 is 4.
The barrel body 3 is of a transparent structure.
The air outlet 6 is of a cylindrical through hole structure.
The bottom plate 8 and the equipment compartment 5 are arranged in an integral structure.
The pipe diameters of the intake pipe 15 and the exhaust pipe 16 are the same.
And a sealing ring is arranged at the joint of the main connecting pipe 17 and the branch connecting pipe 18.
The utility model discloses the model of well mainboard 12 is SOC-X1, by design production of Tianjin Di lan Aote environmental protection science and technology development ltd, through mainboard 12 control vacuum pump 13 respectively, battery valve one 10 and solenoid valve two 11, in order to guarantee the accuracy of sampling, need wash gas before the sampling, during the wash gas, solenoid valve one 10 is through the connecting branch 18 intercommunication on switching-over valve with intake pipe 15 and solenoid valve one 10, solenoid valve two 11 is through the connecting branch 18 intercommunication on switching-over valve with blast pipe 16 and solenoid valve two 11, blast pipe 16 does not communicate with the external world this moment, vacuum pump 13 leads to the interior staving 3 in with gas through intake pipe 15, connecting branch 18, connecting main pipe 17 by venthole 6, wash gas to gas collection bag 4;
during sampling, the second electromagnetic valve 11 communicates the exhaust pipe 16 with the connecting branch pipe 18 on the second electromagnetic valve 11 through the reversing valve, the first electromagnetic valve 10 communicates the air inlet pipe 15 with the outside through the reversing valve, at the moment, the air inlet pipe 15 is not communicated with the connecting branch pipe 18 on the first electromagnetic valve 10, the vacuum pump 13 evacuates the air in the barrel body 3, the air in the barrel body 3 passes through the air outlet hole 6, the connecting main pipe 17, the connecting branch pipe 18 and the exhaust pipe 16, so that negative pressure is formed in the barrel body 3, at the moment, the sampling bag 4 slowly expands, external sample gas enters the sampling bag 4 through the air inlet hole 7 on the sealing barrel cover 1, the equipment chamber 5 provided with the air inlet pipe 15, the exhaust pipe 16, the connecting main pipe 17, the connecting branch pipe 18 and the vacuum pump 13 is arranged at the bottom of the barrel body 3, and the first electromagnetic valve 10 and the second electromagnetic valve 11 are matched, so that the problem of slow sampling rate of the malodorous gas negative pressure gas sampling barrel caused by long system pipeline is solved, through set up the gas collection bag 4 in being located the staving 3 between equipment cabin 5 and sealed bung 1, vacuum pump 13, connect and be responsible for 17, connect branch pipe 18 and install in equipment cabin 5, avoided sample gas pollution vacuum pump 13 pipeline device, solved repeated sampling, the problem of sample gas mutual interference.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. A negative pressure malodorous gas production device comprises a barrel body (3) and is characterized in that a sealing barrel cover (1) is arranged at the top end of the barrel body (3), a plurality of barrel cover locking buckles (2) are circumferentially connected on the sealing barrel cover (1), the sealing barrel cover (1) is detachably and hermetically connected with the barrel body (3) through the barrel cover locking buckles (2), an air inlet hole (7) is arranged on the sealing barrel cover (1), an equipment cabin (5) is arranged at the bottom of the barrel body (3), the side wall of the equipment cabin (5) is in sealing contact with the inner wall of the barrel body (3), an air outlet hole (6) communicated with the barrel body (3) is arranged at the top end of the equipment cabin (5), a gas production bag (4) is arranged in the barrel body (3) between the sealing barrel cover (1) and the equipment cabin (5), the sampling end of the gas production bag (4) is connected with the air inlet hole (7), a bottom plate (8) is arranged at the bottom of the equipment cabin (5), a through hole (14) communicated with the interior of the equipment cabin (5) is formed in the bottom plate (8), an opening corresponding to the through hole (14) is formed in the bottom wall of the barrel body (3), a vacuum pump (13), a battery (9) and a main board (12) are arranged in the equipment cabin (5), the vacuum pump (13), the battery (9) and the main board (12) are both installed on the bottom plate (8), an exhaust end of the vacuum pump (13) is connected with an air inlet pipe (15), the other end of the air inlet pipe (15) is connected with a first electromagnetic valve (10), an air suction end of the vacuum pump (13) is connected with an exhaust pipe (16), the other end of the exhaust pipe (16) is connected with a second electromagnetic valve (11), channels communicated with the equipment cabin (5) are formed in the first electromagnetic valve (10) and the second electromagnetic valve (11), connecting branch pipes (18) are connected to the first electromagnetic valve (10) and the second electromagnetic valve (11), the first electromagnetic valve (10) and the second valve (11) are three-way valves, and are both internally provided with reversing valves, the first electromagnetic valve (10) and the second electromagnetic valve (11) are communicated with different gas channels through reversing valves, the two connecting branch pipes (18) are connected with the same connecting main pipe (17), the other end of the connecting main pipe (17) is hermetically connected with the gas outlet hole (6), the battery (9) supplies power for the main board (12), and the main board (12) is respectively connected with the first electromagnetic valve (10), the second electromagnetic valve (11) and the vacuum pump (13) through leads.
2. The negative pressure malodorous gas production device according to claim 1, wherein the number of the locking buckles (2) of the barrel cover is 4.
3. The negative pressure malodorous gas production device as claimed in claim 1, wherein the barrel body (3) is of a transparent structure.
4. The negative pressure malodorous gas production device as claimed in claim 1, wherein the gas outlet (6) has a cylindrical through hole structure.
5. The negative pressure malodorous gas production device as claimed in claim 1, wherein the floor (8) and the equipment compartment (5) are integrally formed.
6. The negative pressure malodorous gas production device of claim 1, wherein the pipe diameters of the inlet pipe (15) and the outlet pipe (16) are the same.
7. The negative pressure malodorous gas production device as claimed in claim 1, wherein a sealing ring is arranged at the joint of the main connecting pipe (17) and the branch connecting pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120332484.5U CN214472104U (en) | 2021-02-05 | 2021-02-05 | Negative pressure gas collecting device for malodorous gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120332484.5U CN214472104U (en) | 2021-02-05 | 2021-02-05 | Negative pressure gas collecting device for malodorous gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214472104U true CN214472104U (en) | 2021-10-22 |
Family
ID=78137227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120332484.5U Expired - Fee Related CN214472104U (en) | 2021-02-05 | 2021-02-05 | Negative pressure gas collecting device for malodorous gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214472104U (en) |
-
2021
- 2021-02-05 CN CN202120332484.5U patent/CN214472104U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |