CN201320445Y - Device for purifying phosphine gas - Google Patents
Device for purifying phosphine gas Download PDFInfo
- Publication number
- CN201320445Y CN201320445Y CNU2008201413660U CN200820141366U CN201320445Y CN 201320445 Y CN201320445 Y CN 201320445Y CN U2008201413660 U CNU2008201413660 U CN U2008201413660U CN 200820141366 U CN200820141366 U CN 200820141366U CN 201320445 Y CN201320445 Y CN 201320445Y
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- retort
- tank
- pressure pump
- pipeline
- tank body
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Abstract
The utility model discloses a device for purifying phosphine gas and is characterized in that reaction liquid is contained in the inner lower part of a hollow reaction tank (1); one end of a reaction high-pressure pump (7) is communicated with the lower part of the tank body of the reaction tank (1) through a pipeline, and the other end is connected with a spraying device (5) at the top of the tank body of the reaction tank (1) through a pipeline; absorption liquid is contained in the inner lower part of a hollow filtration tank (2); one end of a filtration high-pressure pump pumps the liquid, and the other end is connected with a spraying device (18) at the top of the filtration tank (2); a phosphine concentration detector, a releasing valve (11) and a circulating valve are arranged at the top of the absorption liquid in the filtration tank. The utility model overcomes the deficiencies of high energy consumption, difficult gas drive, low handling capacity, and secondary pollution existence of the prior art, and provides a device which has the advantages of simple structure, strong processing ability, good purifying effect, high removal rate of PH3, simple process flow and post-treatment, no pollution, mobile work, and convenient operation, and can be widely used in the fields of bin storage and the like.
Description
Technical field
The utility model relates to gas cleaning plant, is specifically related to the phosphine gas purifier
Background technology
At present, tobacco, grain department are when carrying out pest control to the warehouse, extensively adopt phosphine gas to carry out fumigant insect killing, phosphine gas is a kind of hypertoxic pernicious gas, after fumigant insect killing finishes, phosphine gas in the storehouse is just taked the loose mode of gas of nature to enter in the atmosphere, and the health of human body of warehouse surrounding resident has been constituted serious threat, and environment is polluted.Perhaps adopt dry method or wet method to carry out the reclaiming clean of the residual air in warehouse.Dry method is exactly to remove hydrogen phosphide or directly burning with solid oxidizer or adsorbent.Wet method mainly refers in the absorption tower chemical absorption method handled with absorbent.Firing method is used for the traditional treatment method of yellow phosphoric tail gas, and reaction speed is very fast, non-secondary pollution, but economic benefit is low, and energy consumption is big, and gas-powered difficulty, treating capacity are little etc.The greatest drawback of metal oxide absorption method be when absorption reach saturated after, as not handling, then solid absorbent becomes " three wastes " jointly with the harmful constituent that is adsorbed, as makes its regeneration, then poisonous gas disengages again.Concentrated sulfuric acid oxidation hydrogen phosphide method generates the pollutant of sulfur dioxide at last, also need take the NaOH eccysis.Permanganimetric method absorbs hydrogen phosphide operating cost height, has the secondary pollution problem.
The utility model content
The utility model has overcome the deficiencies in the prior art, provide with the storage in hydrogen phosphide purification and do not produce secondary pollution.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of phosphine gas purifier is made of circulating device, retort 1, filtration filling 2, reaction high-pressure pump 7, filtration high-pressure pump 8 and control device 15.
Circulating device is made of the circulation blower fan 6 between intake stack 13 and the wind pipe, and intake stack 13, wind pipe and circulation blower fan 6 communicate.In intake stack, be provided with the phosphine concentration detector that links to each other with control device.
Control device also links to each other with circulation blower fan 6, reaction high-pressure pump 7, filtration high-pressure pump 8.
Further technical scheme is 0 to 200 ℃ of the measurement category of thermometer in the retort 1.
Further technical scheme is that the measurement category of 1 Pressure gauge 3 is 0 to 40kPa in the retort.
Further the measurement category of the flowmeter of installing in the pipeline 10 that technical scheme is retort 1 top with filtering tank 2 bottoms communicate be 480 to 3000 cubic metres per hour.
Further technical scheme is that the measurement category 1 of phosphine concentration detector is to 999PPM.
Further technical scheme is that intake stack 13, wind pipe all are that interior diameter is 133 stainless steel tube.Retort 1 is a cylinder, high 1700mm, internal diameter 1000mm, and material is 304 stainless steels, and is coated with epoxy resin.The diameter of retort 1 sewage draining exit 8 is 50mm, and the pipeline 10 that retort 1 top communicates with filtering tank 2 bottoms is that interior diameter is 133 stainless steel tube.Filtering tank 2 is cylinders, high 1500mm, and internal diameter 800mm, material is 304 stainless steels, and is coated with epoxy resin.The diameter of filtering tank 2 sewage draining exits is 50mm.
Further technical scheme is that circulating device, retort 1, filtration filling 2, reaction high-pressure pump 7, filtration high-pressure pump 9 and control device 15 are fixed on the dolly, can be whole mobile.
Compared with prior art, the beneficial effects of the utility model are simple in structure, and disposal ability is strong, good purification, PH
3The removal efficiency height, technological process is simple and direct, post processing is simple and pollution-free, and the work of flowing is easy to operate.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated.
As shown in drawings, a kind of phosphine gas purifier is made of circulating device, retort 1, filtration filling 2, reaction high-pressure pump 7, filtration high-pressure pump 8 and control device 15.Circulating device, retort 1, filtration filling 2, reaction high-pressure pump 7, filtration high-pressure pump 9 and control device 15 are fixed on the dolly, can be whole mobile.
Circulating device is made of the circulation blower fan 6 between intake stack 13 and the wind pipe, and intake stack 13, wind pipe and circulation blower fan 6 communicate.Intake stack 13, wind pipe all are that interior diameter is 133 stainless steel tube.In intake stack, be provided with the phosphine concentration detector that links to each other with control device.The phosphine concentration detector is the PH that labor section of Beijing Xinhua produces
3On-line detector, measurement category 1 is to 999PPM.
Control device also links to each other with circulation blower fan 6, reaction high-pressure pump 7, filtration high-pressure pump 8.
During use, open this retort 1 and filtering tank 2 filler cappings, water pipe adds water to water inlet, when treating that water inlet begins spilling water, stops to add water, the sealing filler.Install the calcium hypochlorite oxidizing agent solution, power supply is connected in retort 1, with the wind pipe butt joint in intake stack 13 and warehouse, the intake stack butt joint in circulation valve and warehouse.Open the total power switch on the control device 15, circulation blower fan 6 is started working, and the air that will contain hydrogen phosphide from the inside, warehouse is drawn into the retort 1, reacts, and moves after 3 minutes, starts reaction high-pressure pump 7, filters high-pressure pump 8.Hydrogen phosphide and calcium hypochlorite oxidizing agent solution and PH in the retort 1
3Carry out chemical reaction, when containing hydrogen phosphide and CaCoO
3, CaCl
2Gas generates the H of trace in retort 1
3PO
4With harmless CaCO
3And CaCl
2, this moment wherein most PH
3Be absorbed, gas rises to retort 1 top and with HClO chemical reaction takes place again, and residual air arrives in the filtering tank (2) carries out purified treatment, if PH
3Can directly enter atmosphere by getting rid of valve 11 after up to standard.Below standard residual air is introduced stifling stacking or warehouse by circulation valve, and it is even with gas stirring in the storehouse to improve flow condition to form circulation, and can keep the warehouse internal and external pressure balance, PH after the several purified treatment
3Qualified discharge, and the waste water and dregs in the tower carried out harmless treatment.
Claims (7)
1, a kind of phosphine gas purifier is irritated (2), reaction high-pressure pump (7), is filtered high-pressure pump (8) and control device (15) formation by circulating device, retort (1), filtration, it is characterized in that:
Circulating device is made of the circulation blower fan (6) between intake stack (13) and the wind pipe, and intake stack (13), wind pipe and circulation blower fan (6) communicate; In intake stack, be provided with the phosphine concentration detector that links to each other with control device;
Retort (1) is the tank body of hollow, tank body is fixed with thermometer, Pressure gauge (3), and tank surface has visual window (4) and charge door, and the tank body bottommost has sewage draining exit (8), the bottom fills reactant liquor in the tank body, and bubbling communicates with the wind pipe of circulating device under the liquid level; In retort (1) top and pipeline (10) that filtering tank (2) bottom communicates, flowmeter is installed; Reaction high-pressure pump (7) one ends communicate with retort (1) tank body bottom by pipeline, and the other end is connected to retort (1) tank body top by pipeline and communicates with spray equipment (5), in the middle of the pipeline that the reaction high-pressure pump communicates water pressure gauge (17) are installed;
Filtering tank (2) is the tank body of hollow, tank surface has visual window (12) and charge door, the bottom fills absorption liquid in the tank body, the tank body bottommost has sewage draining exit, filtering high-pressure pump (8) one ends communicates with the filtering bodies bottom by pipeline, extract liquid, the other end is connected to filtering tank (2) tank body top by pipeline and communicates with spray equipment (18), is filtering the middle water pressure gauge of installing of pipeline that high-pressure pump (8) communicates; Absorption liquid top is provided with the phosphine concentration detector, gets rid of valve (11) and circulation valve in the filtering tank, and control device (15) links to each other with circulation valve with phosphine concentration detector, eliminating valve (11);
Control device also links to each other with circulation blower fan (6), reaction high-pressure pump (7), filtration high-pressure pump (8).
2, phosphine gas purifier according to claim 1 is characterized in that 0 to 200 ℃ of the measurement category of the interior thermometer of described retort (1).
3, phosphine gas purifier according to claim 1 is characterized in that in the described retort that the measurement category of (1) Pressure gauge (3) is 0 to 40kPa.
4, phosphine gas purifier according to claim 1, the measurement category that it is characterized in that the flowmeter installed in the pipeline (10) that described retort (1) top communicates with filtering tank (2) bottom be 480 to 3000 sides meter per hour.
5, phosphine gas purifier according to claim 1, the measurement category 1 that it is characterized in that described phosphine concentration detector is to 999PPM.
6, according to claim 1 to the described phosphine gas purifier of the arbitrary claim of claim 5, it is characterized in that described intake stack (13), wind pipe all are that interior diameter is 133 stainless steel tube; Retort (1) is a cylinder, high 1700mm, internal diameter 1000mm, and material is 304 stainless steels, and is coated with epoxy resin; The diameter of retort (1) sewage draining exit (8) is 50mm, and the pipeline (10) that retort (1) top communicates with filtering tank (2) bottom is that interior diameter is 133 stainless steel tube; Filtering tank (2) is a cylinder, high 1500mm, and internal diameter 800mm, material is 304 stainless steels, and is coated with epoxy resin; The diameter of filtering tank (2) sewage draining exit is 50mm.
7, phosphine gas purifier according to claim 6, it is characterized in that described circulating device, retort (1), filtration filling (2), reaction high-pressure pump (7), filtration high-pressure pump (9) and control device (15) are fixed on the dolly, can be whole mobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201413660U CN201320445Y (en) | 2008-11-12 | 2008-11-12 | Device for purifying phosphine gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201413660U CN201320445Y (en) | 2008-11-12 | 2008-11-12 | Device for purifying phosphine gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201320445Y true CN201320445Y (en) | 2009-10-07 |
Family
ID=41157834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201413660U Expired - Fee Related CN201320445Y (en) | 2008-11-12 | 2008-11-12 | Device for purifying phosphine gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201320445Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728605A (en) * | 2012-06-29 | 2012-10-17 | 大连东泰产业废弃物处理有限公司 | Harmless treatment method for aluminum phosphide fumigation residues |
| WO2016137337A1 (en) * | 2015-02-25 | 2016-09-01 | Genera Limited | Method and apparatus for fumigant gas capture |
-
2008
- 2008-11-12 CN CNU2008201413660U patent/CN201320445Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728605A (en) * | 2012-06-29 | 2012-10-17 | 大连东泰产业废弃物处理有限公司 | Harmless treatment method for aluminum phosphide fumigation residues |
| WO2016137337A1 (en) * | 2015-02-25 | 2016-09-01 | Genera Limited | Method and apparatus for fumigant gas capture |
| CN107530624A (en) * | 2015-02-25 | 2018-01-02 | 吉尼拉有限公司 | Method and apparatus for fumigating gas trapping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20101112 |