CN218944689U - Device for recovering yellow phosphorus from yellow phosphorus furnace gas - Google Patents
Device for recovering yellow phosphorus from yellow phosphorus furnace gas Download PDFInfo
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- CN218944689U CN218944689U CN202222923796.0U CN202222923796U CN218944689U CN 218944689 U CN218944689 U CN 218944689U CN 202222923796 U CN202222923796 U CN 202222923796U CN 218944689 U CN218944689 U CN 218944689U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model discloses a device for recycling yellow phosphorus from yellow phosphorus furnace gas, which comprises a plurality of spray towers which are connected in sequence, wherein the bottoms of the spray towers are connected with a phosphorus collecting tank, the bottoms of the spray towers at the head part are provided with yellow phosphorus furnace gas inlets, the bottoms of the spray towers at the tail part are provided with tail gas outlets, one end top of the phosphorus collecting tank is connected with a water tank through a pipeline, the bottoms of the other end of the phosphorus collecting tank are connected with a yellow phosphorus refining pot through a pipeline, the water tank is connected with a first spray pump, the outlets of the first spray pump are connected with a first spray pipe, the first spray pipe is connected with a plurality of spray heads, and the spray heads are respectively connected to the interiors of the spray towers; the bottom of the water tank is also connected with a purifying tank through a pipeline, the purifying tank is connected with a second spray pump through a pipeline, an outlet of the second spray pump is connected with a second spray pipe, and the second spray pipe is communicated with the tail of the first spray pipe. The utility model can effectively recycle the yellow phosphorus in the yellow phosphorus furnace gas, reduce the loss of the yellow phosphorus in the yellow phosphorus extraction process, and simultaneously reduce the harmful substances in the tail gas emission.
Description
Technical Field
The utility model relates to the technical field of yellow phosphorus processing, in particular to a device for recycling yellow phosphorus from yellow phosphorus furnace gas.
Background
When yellow phosphorus is extracted from phosphate rock, an electric furnace method yellow phosphorus production process (the process uses a large self-baking electrode phosphorus-making electric furnace or a multi-electrode phosphorus-making electric furnace to extract gaseous yellow phosphorus from the phosphate rock in a pyrogenic process, the gaseous yellow phosphorus is discharged from the electric furnace along with yellow phosphorus furnace gas, then the yellow phosphorus is recovered by condensation of a phosphorus collector and further exhaust gas) generates about 2500-3000 cubic meters of exhaust gas per ton of yellow phosphorus, and a large amount of yellow phosphorus still remains in the exhaust gas.
In the current extraction process, the tail gases are directly purified, so that the loss of yellow phosphorus in the yellow phosphorus furnace gas is caused, and the yellow phosphorus furnace gas is required to be further recovered.
Disclosure of Invention
The utility model aims to provide a device for recycling yellow phosphorus from yellow phosphorus furnace gas, which can recycle the yellow phosphorus in the yellow phosphorus furnace gas so as to solve the problem of yellow phosphorus loss caused by directly purifying the yellow phosphorus furnace gas by the existing extraction process.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the device for recycling yellow phosphorus from yellow phosphorus furnace gas comprises a plurality of spray towers which are connected in sequence, wherein the bottoms of the spray towers are connected with a phosphorus collecting tank, the bottoms of the spray towers positioned at the head part are provided with a yellow phosphorus furnace gas inlet, the bottoms of the spray towers positioned at the tail part are provided with tail gas outlets, one end top of the phosphorus collecting tank is connected with a water tank through a pipeline, the bottom of the other end of the phosphorus collecting tank is connected with a yellow phosphorus refining pot through a pipeline, the water tank is connected with a first spray pump through a pipeline, the outlet of the first spray pump is connected with a first spray pipe, the first spray pipe is connected with a plurality of spray heads, and the spray heads are respectively connected to the interiors of the spray towers; the bottom of pond still passes through the pipe connection purifying tank, the purifying tank passes through the pipe connection second spray pump, the exit linkage second shower of second spray pump, the second shower with the afterbody intercommunication of first shower.
Preferably, a stop valve is connected between the spray header and the first spray pipe.
Preferably, the second spray pipe is connected with a ball valve.
Preferably, after the spray towers are connected in sequence, an S-shaped flowing space for the yellow phosphorus furnace gas to pass through is formed.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model can effectively recycle the yellow phosphorus in the yellow phosphorus furnace gas, reduce the loss of the yellow phosphorus in the yellow phosphorus extraction process, and simultaneously reduce the harmful substances in the tail gas emission.
2. The utility model has simple structure, lower operation cost and higher efficiency of recovering yellow phosphorus in the yellow phosphorus furnace gas.
Drawings
Fig. 1 is a schematic diagram of a system structure according to the present utility model.
In the figure: 1, a spray tower; 2. a phosphorus collecting tank; 3. a yellow phosphorus furnace gas inlet; 4. a tail gas outlet; 5. a pool; 6. a yellow phosphorus refining pot; 7. a first spray pump; 8. a first shower; 9. a spray header; 10. a purifying tank; 11. a second spray pump; 12. a second shower; 13. a stop valve; 14. ball valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As a preferred embodiment of the utility model, referring to fig. 1, arrows in the figure represent the flowing direction of fluid, the embodiment provides a device for recovering yellow phosphorus from yellow phosphorus furnace gas, which comprises a plurality of spray towers 1 connected in sequence, wherein the bottoms of the spray towers 1 are connected with a phosphorus collecting tank 2, a yellow phosphorus furnace gas inlet 3 is arranged at the bottom of the spray tower positioned at the head part, a tail gas outlet 4 is arranged at the bottom of the spray tower positioned at the tail part, one end top of the phosphorus collecting tank 2 is connected with a water tank 5 through a pipeline, the other end bottom of the phosphorus collecting tank is connected with a yellow phosphorus refining pot 6 through a pipeline, the water tank 5 is connected with a first spray pump 7 through a pipeline, the outlet of the first spray pump 7 is connected with a first spray pipe 8, a plurality of spray heads 9 are connected to the first spray pipe 8, and the spray heads 9 are respectively connected to the inside of the spray towers 1; the bottom of the water tank 5 is also connected with a purifying tank 10 through a pipeline, the purifying tank 10 is connected with a second spray pump 11 through a pipeline, an outlet of the second spray pump 11 is connected with a second spray pipe 12, and the second spray pipe 12 is communicated with the tail of the first spray pipe 11.
Since yellow phosphorus is insoluble in water and the storage of the yellow phosphorus depends on the water, the utility model adopts a water cooling mode to recycle the yellow phosphorus in the yellow phosphorus furnace gas, and an inner circulation cooling system and an outer circulation cooling system are arranged, wherein the inner circulation cooling system comprises a water tank 5, a first spray pump 7, a second spray pipe 8 and a spray header 9, and the outer circulation cooling system comprises a purifying tank 10, a second spray pump 11, a second spray pipe 12 and a spray header.
In the actual operation process, because a large amount of mineral dust remains in yellow phosphorus furnace gas, when a large amount of suspended matters appear in circulating water, the circulating water needs to be purified.
Because yellow phosphorus density is higher than that of water, when circulating water and yellow phosphorus exist in the phosphorus collecting tank 2 at the same time, the yellow phosphorus is settled at the bottom of the phosphorus collecting tank 2, so that the yellow phosphorus refining pot 6 is connected to the bottom of the phosphorus collecting tank 2, and the water tank 5 is connected to the top of the phosphorus collecting tank 6 through a pipeline, thus realizing the primary separation of the circulating water and the yellow phosphorus.
In some preferred embodiments, a shut-off valve 13 is connected between the shower head 9 and the first shower pipe 8 for flexible control and maintenance.
In other preferred embodiments, in order to separate the inner circulation system and the outer circulation system independently, a ball valve 14 is connected to the second shower pipe 12, so that when the circulating water quality is good, or two systems are not required to be operated simultaneously, the ball valve can be closed, and the outer circulation system is closed, and only the inner circulation system is used for recycling.
In other preferred embodiments, in order to prolong the edge of the yellow phosphorus furnace gas, the spray towers are sequentially connected to form an S-shaped flowing space for the yellow phosphorus furnace gas to pass through, so that the yellow phosphorus furnace gas can be fully contacted with spray water, and the yellow phosphorus in the furnace gas is fully recovered and deposited into the phosphorus collecting tank 2.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (4)
1. Retrieve device of yellow phosphorus in follow yellow phosphorus stove gas, its characterized in that: the device comprises a plurality of spray towers which are sequentially connected, wherein the bottoms of the spray towers are connected with a phosphorus collecting tank, the bottoms of the spray towers positioned at the head part are provided with yellow phosphorus furnace gas inlets, the bottoms of the spray towers positioned at the tail part are provided with tail gas outlets, one end top of the phosphorus collecting tank is connected with a water tank through a pipeline, the other end bottom of the phosphorus collecting tank is connected with a yellow phosphorus refining pot through a pipeline, the water tank is connected with a first spray pump through a pipeline, the outlets of the first spray pump are connected with a first spray pipe, the first spray pipe is connected with a plurality of spray heads, and the spray heads are respectively connected to the interiors of the spray towers; the bottom of pond still passes through the pipe connection purifying tank, the purifying tank passes through the pipe connection second spray pump, the exit linkage second shower of second spray pump, the second shower with the afterbody intercommunication of first shower.
2. The apparatus for recovering yellow phosphorus from yellow phosphorus furnace gas according to claim 1, wherein: and a stop valve is connected between the spray header and the first spray pipe.
3. The apparatus for recovering yellow phosphorus from yellow phosphorus furnace gas according to claim 1, wherein: and the second spray pipe is connected with a ball valve.
4. The apparatus for recovering yellow phosphorus from yellow phosphorus furnace gas according to claim 1, wherein: and after the spray towers are connected in sequence, an S-shaped flowing space for the yellow phosphorus furnace gas to pass through is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222923796.0U CN218944689U (en) | 2022-11-03 | 2022-11-03 | Device for recovering yellow phosphorus from yellow phosphorus furnace gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222923796.0U CN218944689U (en) | 2022-11-03 | 2022-11-03 | Device for recovering yellow phosphorus from yellow phosphorus furnace gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218944689U true CN218944689U (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222923796.0U Active CN218944689U (en) | 2022-11-03 | 2022-11-03 | Device for recovering yellow phosphorus from yellow phosphorus furnace gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218944689U (en) |
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2022
- 2022-11-03 CN CN202222923796.0U patent/CN218944689U/en active Active
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