CN204865491U - Yellow phosphorus electric stove tail gas recycle system - Google Patents
Yellow phosphorus electric stove tail gas recycle system Download PDFInfo
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- CN204865491U CN204865491U CN201520368434.7U CN201520368434U CN204865491U CN 204865491 U CN204865491 U CN 204865491U CN 201520368434 U CN201520368434 U CN 201520368434U CN 204865491 U CN204865491 U CN 204865491U
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Abstract
Yellow phosphorus electric stove tail gas recycle system, this system is by connecting a succession of treatment facility on yellow phosphorus electric stove tail gas discharge pipe, including two -way spray column, the one -level venturi tube, the second grade venturi tube, one -way spray column, the gas storage storehouse, compressed gas storehouse and gas boiler constitute, multistage gas liquid separator has been arranged between the series connection treatment facility, in order to guarantee tail gas washing performance, the washing liquid is alkaline liquid, the main carbon monoxide gas that contains in the tail gas after the washing, tail gas after the washing is stored and is used for gas boiler, the washing liquid that sprays on the treatment facility after the washing flows into dense and rare two washing liquid baths respectively, contain the salinity when higher in dense washing liquid bath, the suction sedimentation tank carries out sedimentation treatment, pressure filter filter -pressing for the precipitate after the processing, realize admittedly, the liquid separation, the liquid retrieval and utilization is in the production line, the production of products such as chemical fertilizer is retrieved and is used for to the solid.
Description
Technical field
The utility model belongs to the recovery and utilization technology field of yellow phosphorus electric furnace tail gas, relates to a kind of yellow phosphorus electric furnace tail gas recycling system.
Background technology
In the electric furnace of yellow phosphorus is produced, gas containing elements such as a large amount of CO gas and phosphorous, sulphur in the tail gas of discharge, air is directly entered to environment for avoiding these gases, common way carries out ignition at the discharge mouth of pipe of yellow phosphorus electric furnace tail gas, this processing method causes the waste of the element such as available phosphorus, sulphur in tail gas, causes combustible a large amount of CO gas to waste.
Summary of the invention
For in prior art, yellow phosphorus electric furnace tail gas is directly burnt at the blast pipe mouth of pipe, and cause the problem of useful component waste in tail gas, the utility model provides a kind of yellow phosphorus electric furnace tail gas recycling system, and its technical scheme is as follows:
A kind of yellow phosphorus electric furnace tail gas recycling system, the Bidirectional spray tower front end of this system connects the exhaust pipe of yellow phosphorus electric furnace, exhaust pipe is provided with tail gas air exhauster, in Bidirectional spray tower, the feed pipe of spray head connects dense washing liquid pool, feed pipe is provided with dope pond suction pump, the escape pipe of Bidirectional spray tower connects one-level vapour liquid separator, the dense cleaning solution of Bidirectional spray tower and one-level vapour liquid separator bottom goes out pipe and connects dense washing liquid pool, the escape pipe of one-level vapour liquid separator connects one-level venturi, the escape pipe of one-level venturi connects secondary vapour liquid separator, the escape pipe of secondary vapour liquid separator connects secondary Venturi tube, the sparge pipe of one-level venturi and secondary Venturi tube connects weak wash pond, sparge pipe is provided with thin liquid pond suction pump, the weak wash of secondary vapour liquid separator lower end goes out pipe and connects weak wash pond, the escape pipe order of secondary Venturi tube is to spray column, shower nozzle in unidirectional spray column connects thin liquid pond suction pump, the escape pipe of secondary vapour liquid separator is provided with secondary air exhauster, the escape pipe of unidirectional spray column connects three grades of vapour liquid separators, the weak wash of unidirectional spray column and three grades of vapour liquid separator lower ends goes out pipe and connects weak wash pond, the escape pipe of three grades of vapour liquid separators connects gas storage, the escape pipe of gas storage is provided with gas compression pump, the escape pipe of gas compression pump connects compressed gas storehouse, the escape pipe in compressed gas storehouse connects gas fired-boiler, gas storage, the weak wash in compression pump and compressed gas storehouse goes out pipe and connects weak wash pond.
Stream pipe is housed on the top in weak wash pond and connects dense washing liquid pool, dense washing liquid pool and weak wash pond are separately installed with drinking-water pipe, drinking-water pipe is provided with valve, and drinking-water pipe is connected in parallel on supervisor, and supervisor connects sedimentation basin, supervisor is provided with sedimentation basin suction pump, sedimentation basin is provided with sedimentary suction tube, and suction tube connects sediment filter press, suction tube is provided with filter press suction pump, the drain pipe of filter press connects weak wash pond, and sediment is sent from the slag notch of filter press.
In the technical program, cleaning solution adopts akaline liquid, and yellow phosphorus electric furnace tail gas carries out hydro-peening with the alkali lye that relative concentration in dense washing liquid pool is higher in Bidirectional spray tower, and the cleaning solution after hydro-peening is back to dense washing liquid pool; After tail gas enters two-stage Venturi tube and unidirectional spray column, the alkali lye lower with relative concentration in weak wash pond carries out hydro-peening, and the cleaning solution backflow weak wash pond after hydro-peening, constantly carries out vapor-liquid separation, guarantee spray washing effect in hydro-peening process; After tying spray washing repeatedly, the gas of the elements such as phosphorous in tail gas, sulphur and alkali lye fully react and generate saline solution or precipitation of salts, remove from tail gas, now, in tail gas, Main Ingredients and Appearance is combustible CO gas, and collected by CO gas and be stored in the gas storage of variable volume, recompression is stored in compressed gas storehouse, the burning gases that compressed gas storehouse can provide pressure steady to gas fired-boiler, such yellow phosphoric tail gas just obtains recycling.
In weak wash pond, cleaning solution is after the hydro-peening that repeatedly circulates, and in cleaning solution, salt concentration raises, and when concentration reaches certain limit, cleaning solution is entered dense washing liquid pool and interrupts continuous use; In dense washing liquid pool, cleaning solution is after the hydro-peening that repeatedly circulates, when salt concentration in cleaning solution is raised to higher, from the bottom in pond by the sediment washing liquid pool and portion washes liquid suction sedimentation basin, carry out precipitation process, meanwhile, in two washing liquid pools, supplement new cleaning solution, carry out circulation cleaning; Precipitation process can adopt chemical method, and make salt precipitation wherein, through the cleaning solution of precipitation process, contained salt reduces, and can be recycled in weak wash pond and utilizes; Be deposited to the sediment bottom sedimentation basin, can be drawn in filter press and carry out press filtration, weak wash pond can be back to use from filter press liquid out and recycle, the sediment of the salt constituents after press filtration, can reuse with the production of the products such as chemical fertilizer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Embodiment one: as shown in Figure 1, a kind of yellow phosphorus electric furnace tail gas recycling system, Bidirectional spray tower 4 front end of this system connects the exhaust pipe 6 of yellow phosphorus electric furnace, exhaust pipe 6 is provided with tail gas air exhauster 7, in Bidirectional spray tower, the feed pipe 3 of spray head 5 connects dense washing liquid pool 1, feed pipe 3 is provided with dope pond suction pump 2, the escape pipe of Bidirectional spray tower 4 connects one-level vapour liquid separator 8, the dense cleaning solution of Bidirectional spray tower 5 and one-level vapour liquid separator 8 bottom goes out pipe 9 and connects dense washing liquid pool 1, the escape pipe of one-level vapour liquid separator 8 connects one-level venturi 19, the escape pipe of one-level venturi 19 connects secondary vapour liquid separator 17, the escape pipe of secondary vapour liquid separator 17 connects secondary Venturi tube 18, the sparge pipe 16 of one-level venturi 19 and secondary Venturi tube 18 connects weak wash pond 12, sparge pipe 16 is provided with thin liquid pond suction pump 10, the weak wash of secondary vapour liquid separator lower end goes out pipe 15 and connects weak wash pond 12, the escape pipe order of secondary Venturi tube 18 is to spray column 25, shower nozzle in unidirectional spray column 25 connects thin liquid pond suction pump 10, the escape pipe of secondary vapour liquid separator 17 is provided with secondary air exhauster 26, the escape pipe of unidirectional spray column 25 connects three grades of vapour liquid separators 24, the weak wash of unidirectional spray column 25 and three grades of vapour liquid separator 24 lower ends goes out pipe 15 and connects weak wash pond 12, the escape pipe of three grades of vapour liquid separators 24 connects gas storage 20, the escape pipe of gas storage 20 is provided with gas compression pump 21, the escape pipe of gas compression pump 21 connects compressed gas storehouse 22, the escape pipe in compressed gas storehouse 22 connects gas fired-boiler 23, gas storage 20, the weak wash in compression pump 21 and compressed gas storehouse 22 goes out pipe and connects weak wash pond 12,
Stream pipe 11 is housed on the top in weak wash pond 12 and connects dense washing liquid pool 1, dense washing liquid pool 1 and weak wash pond 12 are separately installed with drinking-water pipe, drinking-water pipe is provided with valve, drinking-water pipe is connected in parallel on supervisor 13, supervisor 13 connects sedimentation basin 30, supervisor 13 is provided with sedimentation basin suction pump 29, sedimentation basin 30 is provided with sedimentary suction tube 31, suction tube 31 connects sediment filter press 27, suction tube 31 is provided with filter press suction pump 29, the drain pipe of filter press 27 connects weak wash pond 12, and sediment is sent from the slag notch 28 of filter press 27.
Claims (2)
1. yellow phosphorus electric furnace tail gas recycling system, Bidirectional spray tower (4) front end of this system connects the exhaust pipe (6) of yellow phosphorus electric furnace, exhaust pipe (6) is provided with tail gas air exhauster (7), in Bidirectional spray tower, the feed pipe (3) of spray head (5) connects dense washing liquid pool (1), feed pipe (3) is provided with dope pond suction pump (2), the escape pipe of Bidirectional spray tower (4) connects one-level vapour liquid separator (8), the dense cleaning solution of Bidirectional spray tower (5) and one-level vapour liquid separator (8) bottom goes out pipe (9) and connects dense washing liquid pool (1), it is characterized in that: the escape pipe of one-level vapour liquid separator (8) connects one-level venturi (19), the escape pipe of one-level venturi (19) connects secondary vapour liquid separator (17), the escape pipe of secondary vapour liquid separator (17) connects secondary Venturi tube (18), the sparge pipe (16) of one-level venturi (19) and secondary Venturi tube (18) connects weak wash pond (12), sparge pipe (16) is provided with thin liquid pond suction pump (10), the weak wash of secondary vapour liquid separator lower end goes out pipe (15) and connects weak wash pond (12), the escape pipe order of secondary Venturi tube (18) is to spray column (245), shower nozzle in unidirectional spray column (25) connects thin liquid pond suction pump (10), the escape pipe of secondary vapour liquid separator (17) is provided with secondary air exhauster (26), the escape pipe of unidirectional spray column (25) connects three grades of vapour liquid separators (24), the weak wash of unidirectional spray column (25) and three grades of vapour liquid separator (24) lower ends goes out pipe (15) and connects weak wash pond (12), the escape pipe of three grades of vapour liquid separators (24) connects gas storage (20), the escape pipe of gas storage (20) is provided with gas compression pump (21), the escape pipe of gas compression pump (21) connects compressed gas storehouse (22), the escape pipe in compressed gas storehouse (22) connects gas fired-boiler (23), gas storage (20), the weak wash of compression pump (21) and compressed gas storehouse (22) goes out pipe and connects weak wash pond (12).
2. yellow phosphorus electric furnace tail gas recycling system according to claim 1, it is characterized in that: stream pipe (11) is housed on the top of weak wash pond (12) and connects dense washing liquid pool (1), dense washing liquid pool (1) and weak wash pond (12) are separately installed with drinking-water pipe, drinking-water pipe is provided with valve, drinking-water pipe is connected in parallel on supervisor (13), supervisor (13) connects sedimentation basin (30), supervisor (13) is provided with sedimentation basin suction pump (29), sedimentation basin (30) is provided with sedimentary suction tube (31), suction tube (31) connects sediment filter press (27), suction tube (31) is provided with filter press suction pump (29), the drain pipe of filter press (27) connects weak wash pond (12), sediment is sent from the slag notch (28) of filter press (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368434.7U CN204865491U (en) | 2015-06-02 | 2015-06-02 | Yellow phosphorus electric stove tail gas recycle system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368434.7U CN204865491U (en) | 2015-06-02 | 2015-06-02 | Yellow phosphorus electric stove tail gas recycle system |
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| CN204865491U true CN204865491U (en) | 2015-12-16 |
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| CN201520368434.7U Active CN204865491U (en) | 2015-06-02 | 2015-06-02 | Yellow phosphorus electric stove tail gas recycle system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871187A (en) * | 2020-08-13 | 2020-11-03 | 迪尔集团有限公司 | Desulfurizing tower system and desulfurizing method |
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2015
- 2015-06-02 CN CN201520368434.7U patent/CN204865491U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871187A (en) * | 2020-08-13 | 2020-11-03 | 迪尔集团有限公司 | Desulfurizing tower system and desulfurizing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171019 Address after: 652800 Yuxi City, Yunnan Province town of Huaning Panxi black mud slope Patentee after: Huaning Jinzhen Environmental Technology Co. Ltd. Address before: 652600, No. 28, middle section, Zhenning Sea Road, Jiangchuan County, Yuxi, Yunnan Co-patentee before: Zhong Ming Patentee before: Guo Fengchun Co-patentee before: Zhang Jinsheng |
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| TR01 | Transfer of patent right |