CN216537759U - Intelligent phosphine tail gas purification and discharge device - Google Patents
Intelligent phosphine tail gas purification and discharge device Download PDFInfo
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- CN216537759U CN216537759U CN202123323678.8U CN202123323678U CN216537759U CN 216537759 U CN216537759 U CN 216537759U CN 202123323678 U CN202123323678 U CN 202123323678U CN 216537759 U CN216537759 U CN 216537759U
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Abstract
The utility model relates to an intelligent phosphine tail gas purification and emission device, which comprises a purification box body, a purification medium generation unit and a gas control unit; the purification box body comprises a gas circulation unit and a medium dispersion unit which are communicated with each other, wherein the gas circulation unit is provided with a gas inlet for gas to enter, and the gas inlet is provided with a first detector; the medium dispersing unit is internally provided with a molecular sieve which is used for dispersing and discharging gas in the medium dispersing unit into the gas circulation unit; the purifying medium generating unit is used for preparing purified gas and is communicated with the medium dispersing unit through a medium pipeline, the gas control unit is communicated with the gas outlet end of the gas circulating unit and comprises a gas inlet pipe, a gas outlet pipe and a gas return pipe which are communicated with each other, the gas inlet pipe is provided with a second detector, and the gas outlet pipe and the gas return pipe are provided with stop valves. Through the circulation of stop valve automatic control purification back gas, simple structure, degree of automation is high.
Description
Technical Field
The utility model relates to a tail gas purification device, in particular to an intelligent phosphine tail gas purification and emission device.
Background
The phosphine gas is widely applied to fumigation and pest killing operation in the storage industries of tobacco, grain, Chinese herbal medicine and the like. At present, most enterprises directly discharge toxic phosphine gas in a warehouse after insecticidal operation without purification treatment, so that the surrounding atmospheric environment is polluted, and the adopted protective measures are generally to set a certain safety distance around the warehouse, so that the concentration of the discharged phosphine gas is fully diluted. At present, equipment for purifying phosphine gas mainly comprises a packed tower purifying device, a bubbling and spraying combined purifying device, a photodegradation purifying device, a combustion purifying device, a pressure swing adsorption purifying device and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intelligent phosphine tail gas purification and discharge device, which solves the problems of complex structure and low automation degree of the existing device for treating phosphine tail gas.
In order to achieve the purpose, the utility model adopts the following technical scheme: the intelligent phosphine tail gas purification and emission device comprises a purification box body, a purification medium generation unit and a gas control unit;
the purification box body comprises a gas circulation unit and a medium dispersion unit which are communicated with each other, wherein a gas inlet for gas to enter is formed in the gas circulation unit, and a first detector for detecting the concentration of the gas is arranged at the gas inlet; the medium dispersing unit is internally provided with a molecular sieve which is used for dispersing and discharging gas in the medium dispersing unit into the gas circulating unit;
the purifying medium generating unit is used for preparing purified gas and is communicated with the medium dispersing unit through a medium pipeline;
the gas control unit is communicated with the gas outlet end of the gas circulation unit and comprises a gas inlet pipe, a gas outlet pipe and a gas return pipe which are communicated with each other, a second detector is arranged on the gas inlet pipe and is used for detecting the concentration of phosphine in the gas discharged by the gas circulation unit; the air return pipe is communicated with the air inlet, stop valves are arranged on the air outlet pipe and the air return pipe, and the stop valves are in signal connection with the second detector.
Further, the stop valve comprises a first stop valve and a second stop valve, and the first stop valve and the second stop valve are respectively arranged on the air outlet pipe and the air inlet pipe.
Further, when the second detector detects that the gas concentration reaches a preset value, the first stop valve is closed, and the second stop valve is opened; and when the second detector detects that the gas concentration does not reach the preset value, the first stop valve is opened, and the second stop valve is closed.
Furthermore, a control valve for controlling the gas flow in the medium channel is arranged on the medium pipeline, and the first detector is in signal connection with the control valve.
Furthermore, the air inlet of the air circulation unit is arranged at the lower part of the air circulation unit, and the air outlet is arranged at the upper part of the air circulation unit.
Furthermore, a plurality of laminated plates are arranged in the gas circulation unit, the laminated plates are parallel to each other and are arranged in the gas circulation unit in a staggered mode, and S-shaped channels for gas circulation are formed among the laminated plates.
Furthermore, a circulation fan is arranged on the air inlet pipe and used for extracting the air treated in the air circulation unit.
Further, still include the backup pad, the backup pad sets up purify the downside of box, gas circulation unit and purification medium generation unit, the downside of backup pad is provided with a plurality of gyro wheel.
Further, the purification medium generation unit is used for preparing ozone gas.
The utility model has the beneficial effects that: the intelligent phosphine tail gas purification and emission device comprises a purification box body, a purification medium generation unit and a gas control unit which are communicated with each other; the purification box body comprises a gas circulation unit and a medium dispersion unit which are communicated with each other, purified gas is prepared through a purification medium generation unit, and the purified gas reacts with phosphine gas in the purification box body; the gas control unit comprises a gas inlet pipe, a gas outlet pipe and a gas return pipe which are communicated with each other, a second detector is arranged on the gas inlet pipe, and stop valves are arranged on the gas outlet pipe and the gas return pipe. The circulation of the purified gas is automatically controlled through the stop valve, the structure is simple, and the automation degree is high.
Drawings
Fig. 1 is a schematic front view of the present invention.
Names corresponding to the marks in the figure: 1. the device comprises a purification box body, 11, a gas circulation unit, 111, a gas inlet, 112, a laminate, 12, a medium dispersion unit, 2, a purification medium generation unit, 21, a medium pipeline, 22, a one-way valve, 23, a regulating valve, 3, a gas control unit, 31, a gas inlet pipe, 32, a gas outlet pipe, 321, a first stop valve, 33, a gas return pipe, 331, a second stop valve, 34, a fan, 4, a support plate, 5 and rollers.
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 that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
The embodiment of the utility model comprises the following steps: as shown in figure 1, the intelligent phosphine tail gas purification and emission device comprises a purification box body 1, a purification medium generation unit 2 and a gas control unit 3, wherein a medium is conveyed into the purification box body 1 through the purification medium generation unit to purify phosphine gas, and then the gas control unit 3 controls the circulation of gas. Purifying box 1, purifying medium generating unit 2 and gas control unit 3 all set up on same backup pad 4, and the downside of backup pad 4 is provided with gyro wheel 5, the nimble removal of being convenient for.
The purification box body 1 comprises a gas circulation unit 11 and a medium dispersion unit 12 which are arranged on the left and right sides, a gas inlet 111 is formed in the lower portion of the gas circulation unit 11, and the gas inlet 111 is communicated with the upper space of the granary through a pipeline, so that phosphine gas in the granary enters the gas circulation unit 11 from the gas inlet 111 through the pipeline. The gas circulation unit 11 includes a plurality of plates 112 parallel to each other, and the plates 112 are arranged in a staggered manner in the left and right direction so that an S-shaped gas passage is formed in the case, and phosphine introduced from the gas inlet 111 is transported upward along the S-shaped gas passage.
The medium dispersing unit 12 is communicated with the gas circulation unit 11, a molecular sieve is arranged in the medium dispersing unit 12, and purified gas discharged by the purified medium generating unit 2 is uniformly conveyed to the gas circulation unit 11 through the molecular sieve, so that the purified gas can fully react with phosphine gas circulated by the gas circulation unit 11, and the reaction rate is increased.
The purification medium regeneration unit is used for preparing ozone, and the technology belongs to the prior art and is not described in detail herein. The outlet end of the purification medium generation unit 2 is communicated with the upper left side of the medium dispersion unit 12 through a medium pipeline 21, the medium pipeline 21 is provided with a one-way valve 22 and a regulating valve 23 for controlling the medium flow, the one-way valve 22 controls the gas to flow in one direction to the medium dispersion unit 12, and the regulating valve 23 controls the flow of the purification gas. Through the oxidation-reduction reaction of ozone and phosphine gas, phosphine is removed, and the concentration of the phosphine in the gas is reduced.
In order to enable the purified gas delivered by the purified medium generation unit 2 to form dynamic balance with the concentration of phosphine gas entering the gas circulation unit 11, a first detector is arranged at the gas inlet 111 and used for detecting the concentration of phosphine entering the gas circulation unit 11, the first detector is used in cooperation with the regulating valve 23, the concentration of phosphine entering the gas circulation unit is detected by the first detector, and the gas circulating through the medium pipeline 21 is dynamically controlled by the regulating valve 23.
The upside of purifying box 1 is seted up the gas outlet of phosphine gas, and the gas outlet communicates with gas control unit 3, and gas control unit 3 includes intake pipe 31, muffler 33 and the outlet duct 32 of intercommunication each other, and intake pipe 31 communicates with the gas outlet of purifying box 1, and muffler 33 communicates with purifying box 1 and air inlet 111, and outlet duct 32 is used for discharging the gas that is purified. The air inlet pipe 31 is provided with a blower 34 for exhausting the air in the purifying tank 1.
The return pipe 33 and the outlet pipe 32 are provided with a first shut-off valve 321 and a second shut-off valve 331, respectively, and the discharge of the purge gas from the outlet pipe 32 is controlled by the first shut-off valve 321, and the discharge of the purge gas from the return pipe 33 to the inlet port 111 is controlled by the second shut-off valve 331. The inlet pipe 31 is also provided with a second detector, the second detector is used for detecting the concentration of phosphine in the gas discharged from the purification box body 1, when the concentration meets the requirement, the first stop valve 321 is automatically opened, the second stop valve 331 is closed, and the purified gas is discharged from the outlet pipe 32; when the concentration does not meet the requirement, the first stop valve 321 is automatically closed, the second stop valve 331 is automatically opened, and the purified gas enters the purification box 1 from the gas return pipe 33 for secondary purification, so that circulation is performed until the purified gas meets the standard.
Claims (9)
1. Intelligent phosphine tail-gas clean-up discharging equipment, its characterized in that: comprises a purifying box body, a purifying medium generating unit and a gas control unit;
the purification box body comprises a gas circulation unit and a medium dispersion unit which are communicated with each other, wherein a gas inlet for gas to enter is formed in the gas circulation unit, and a first detector for detecting the concentration of the gas is arranged at the gas inlet; the medium dispersing unit is internally provided with a molecular sieve which is used for dispersing and discharging gas in the medium dispersing unit into the gas circulating unit;
the purifying medium generating unit is used for preparing purified gas and is communicated with the medium dispersing unit through a medium pipeline;
the gas control unit is communicated with the gas outlet end of the gas circulation unit and comprises a gas inlet pipe, a gas outlet pipe and a gas return pipe which are communicated with each other, a second detector is arranged on the gas inlet pipe and is used for detecting the concentration of phosphine in the gas discharged by the gas circulation unit; the air return pipe is communicated with the air inlet, stop valves are arranged on the air outlet pipe and the air return pipe, and the stop valves are in signal connection with the second detector.
2. The intelligent phosphine tail gas purification and emission device according to claim 1, wherein: the stop valve comprises a first stop valve and a second stop valve, and the first stop valve and the second stop valve are respectively arranged on the air outlet pipe and the air inlet pipe.
3. The intelligent phosphine tail gas purification and emission device according to claim 2, wherein: when the second detector detects that the gas concentration reaches a preset value, the first stop valve is closed, and the second stop valve is opened; and when the second detector detects that the gas concentration does not reach the preset value, the first stop valve is opened, and the second stop valve is closed.
4. The intelligent phosphine tail gas purification and emission device according to claim 1, wherein: the medium pipeline is provided with a control valve for controlling the gas flow in the medium channel, and the first detector is in signal connection with the control valve.
5. The intelligent phosphine tail gas purification and emission device according to claim 1, wherein: the gas inlet of the gas circulation unit is arranged at the lower part of the gas circulation unit, and the gas outlet is arranged at the upper part of the gas circulation unit.
6. The intelligent phosphine tail gas purification and emission device according to claim 1, wherein: a plurality of laminated plates are arranged in the gas circulation unit, the laminated plates are parallel to each other and are arranged in the gas circulation unit in a staggered mode, and S-shaped channels for gas circulation are formed among the laminated plates.
7. The intelligent phosphine tail gas purification and emission device according to claim 1, wherein: and the air inlet pipe is provided with a circulating fan for pumping out the air treated in the air circulating unit.
8. The intelligent phosphine tail gas purification and emission device according to claim 1, wherein: still include the backup pad, the backup pad sets up purify the downside of box, gas circulation unit and purification medium generation unit, the downside of backup pad is provided with a plurality of gyro wheel.
9. The intelligent phosphine tail gas purification and emission device according to claim 1, wherein: the purifying medium generating unit is used for preparing ozone gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123323678.8U CN216537759U (en) | 2021-12-27 | 2021-12-27 | Intelligent phosphine tail gas purification and discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123323678.8U CN216537759U (en) | 2021-12-27 | 2021-12-27 | Intelligent phosphine tail gas purification and discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216537759U true CN216537759U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123323678.8U Active CN216537759U (en) | 2021-12-27 | 2021-12-27 | Intelligent phosphine tail gas purification and discharge device |
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|---|---|
| CN (1) | CN216537759U (en) |
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2021
- 2021-12-27 CN CN202123323678.8U patent/CN216537759U/en active Active
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