CN220110434U - Yellow phosphorus slag water quenching vapor recycling device - Google Patents
Yellow phosphorus slag water quenching vapor recycling device Download PDFInfo
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- CN220110434U CN220110434U CN202321086928.7U CN202321086928U CN220110434U CN 220110434 U CN220110434 U CN 220110434U CN 202321086928 U CN202321086928 U CN 202321086928U CN 220110434 U CN220110434 U CN 220110434U
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- water
- slag
- chute
- gas
- yellow phosphorus
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 239000002893 slag Substances 0.000 title claims abstract description 85
- 230000000171 quenching effect Effects 0.000 title claims abstract description 55
- 238000010791 quenching Methods 0.000 title claims abstract description 53
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000004064 recycling Methods 0.000 title claims abstract description 15
- 239000000498 cooling water Substances 0.000 claims abstract description 28
- 238000010992 reflux Methods 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 27
- 239000007921 spray Substances 0.000 claims description 10
- 238000011084 recovery Methods 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000003595 mist Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a yellow phosphorus slag water quenching steam recycling device, which comprises a chute with a sealing cover, wherein the chute is positioned at the lower side of a slag discharging port of a yellow phosphorus electric furnace, the slag discharging port is inserted into the chute, a cooling water spraying device is arranged on the sealing cover close to the slag discharging port and is used for cooling the discharged slag, and the water inlet end of a first reflux pump is connected with the water outlet end of a cooling tower through a pipeline; the bottom of the chute is provided with a water quenching tank, the water quenching tank is connected with the water inlet end of a second reflux pump through a pipeline, the water outlet end of the second reflux pump is connected with one water inlet end of a cooling tower through a third reflux pipe, and the air outlet of the air compressor is connected with a pressure container through a pipeline. The device can effectively avoid pollutant emission and improve energy recovery rate.
Description
Technical Field
The utility model relates to the technical field of phosphorus chemical industry, in particular to a yellow phosphorus slag water quenching steam recycling device.
Background
Yellow phosphorus is an important raw material for industrial production, and products prepared from the yellow phosphorus are widely applied to the wide fields of pesticides, medicines, food additives and the like.
The main method for industrially producing yellow phosphorus in the world is an electric furnace method, namely, coke and phosphate ore undergo a reduction reaction in a high-temperature electric furnace at 1350-1450 ℃ to generate phosphorus steam, when the gas-phase product containing yellow phosphorus rises, the gas-phase product exchanges heat with descending mineral aggregate, and liquid-phase slag is discharged from a slag discharge port at the bottom.
The electricity consumption of the electric furnace method for producing 1 ton of crude yellow phosphorus is up to 1.38-1.45 ten thousand degrees, meanwhile, about 8-10 tons of slag is by-produced, and the heat taken away by the slag accounts for about 30% of the total energy consumption, reaching 1490-1566MJ.
The existing yellow phosphorus slag water quenching system is usually an open-air system, a large amount of water mist and water vapor are directly discharged to the atmosphere in the slag water quenching process, and water quenching water exceeding 0.7 ton is lost to the atmosphere in the ton yellow phosphorus production process, so that excessive loss of water resources is caused.
The water quenching method is used for producing water with huge amount and the water mist and steam discharged to the atmosphere carry a large amount of tiny dust particles, which is a main PM2.5 pollution source in the yellow phosphorus production process of the thermal method, the slag with the high temperature of 1000-1100 ℃ is rapidly contacted with spray water, the high temperature solid is heated unevenly to cause that a large amount of dust particles are carried into the atmosphere by the water vapor, and the solid particles in the water vapor are more than 100mg/m 3 Wherein, most of the dust is solid dust with the diameter of less than 1 mu m, and the gas is difficult to degrade after entering the atmosphere along with water vapor, so that the atmospheric environment is seriously polluted.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a yellow phosphorus slag water quenching steam recycling device which can effectively avoid pollutant discharge and improve energy recovery rate.
In order to solve the technical problems, the utility model adopts the following technical scheme: the yellow phosphorus slag water quenching steam recycling device comprises a chute with a sealing cover, wherein the chute is positioned at the lower side of a slag discharging port of a yellow phosphorus electric furnace, the slag discharging port is inserted into the chute, a cooling water spraying device is arranged on the sealing cover close to the slag discharging port and is used for cooling discharged slag, the cooling water spraying device is connected with a water outlet end of a first reflux pump through a first reflux pipe, and a water inlet end of the first reflux pump is connected with a water outlet end of a water cooling tower through a pipeline; the bottom of the chute is provided with a water quenching tank, the water quenching tank is connected with the water inlet end of a second reflux pump through a pipeline, the water outlet end of the second reflux pump is connected with one water inlet end of a cooling tower through a third reflux pipe, a gas collecting cover communicated with the chute is arranged on a sealing cover between a cooling water spraying device and the water quenching tank, the upper end of the gas collecting cover is connected with the gas inlet of a gas-liquid separator, the gas outlet of the gas-liquid separator is connected with a gas compressor through a gas outlet pipe, and the gas outlet of the gas compressor is connected with a pressure container through a pipeline; the liquid outlet of the gas-liquid separator is connected with the other water inlet of the cooling water tower through a second return pipe, and an exhaust pipe communicated with the chute is arranged on a sealing cover between the cooling water spraying device and the gas collecting cover; a baffle is arranged on the slag discharge port and is used for controlling the opening or closing of the slag discharge port; the lower end of the slag discharging port in the chute is provided with a crushing roller which is used for crushing slag into small blocks.
The further technical proposal is that: the cooling water spraying device comprises a plurality of branch pipes, and the tail ends of the branch pipes are provided with spray heads.
The further technical proposal is that: the exhaust pipe is provided with a stop valve, and the stop valve is used for controlling the on-off of the exhaust pipe.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: 1) The sealed cover is arranged above the chute and the water quenching tank, and the gas collecting cover is arranged on the sealed cover, so that all recovery of vapor and water mist generated by water quenching of yellow phosphorus slag can be realized, emission of pollutants is avoided, and on the other hand, the energy recovery rate can be effectively improved.
2) The water mist and a large amount of water vapor generated after the water quenching of the yellow phosphorus slag are separated by a gas-liquid separator, on one hand, the separated liquid water is sent into a cooling tower by a return pipe for recycling; on the other hand, the separated vapor contains a large amount of heat energy, and is compressed into pressurized gas by a compressor and stored in a pressure vessel, so that the energy recovery efficiency is high.
3) The air extractor can be connected to the blast pipe outside, before yellow phosphorus electric stove begins to arrange sediment, the stop valve is opened and is connected the air extractor, and the baffle is closed simultaneously, after the inside air of sealed cowling is taken out by the air extractor, closed the stop valve and open the baffle, begin to arrange sediment, because take the inside air of sealed cowling out before arranging sediment, air content reduces, and then improves the gaseous vapor's that the gas collecting hood collected content, is showing the work efficiency that improves the air compressor.
4) The utility model has good water quenching effect, and the spray header of the cooling water spray device is arranged above the chute and near the slag discharge port, so that the yellow phosphorus slag can be pre-cooled, the water quenching time is greatly shortened, and the steam generation efficiency is effectively improved.
5) The utility model furthest recycles and recycles water quenching water, saves water used in water quenching of yellow phosphorus slag and reduces production cost.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of an apparatus according to an embodiment of the present utility model;
wherein: 1-yellow phosphorus electric furnace; 2-a slag discharge port; 3-baffle plates; 4-a chute; 5-a water quenching tank; 6-a cooling water spraying device; 61-split branch pipe; 62-spraying heads; 7-a first return pipe; 8-a first reflux pump; 9-a water cooling tower; 10-sealing cover; 11-a gas collecting hood; 12-exhaust pipe; 13-a gas-liquid separator; 14-an air outlet pipe; 15-a second return line; a 16-compressor; 17-a pressure vessel; 18-a third return line; 19-a second reflux pump; 20-crushing rollers; 21-shut-off valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Example 1
As shown in fig. 1, the embodiment of the utility model discloses a yellow phosphorus slag water quenching steam recycling device, which comprises a chute 4 with a sealing cover 10, wherein the chute 4 is positioned at the lower side of a slag discharge port 2 of a yellow phosphorus electric furnace 1, the slag discharge port 2 is inserted into the chute 4, a baffle plate 3 is arranged on the slag discharge port 2, and the baffle plate 3 is used for controlling the opening or closing of the slag discharge port 2. A crushing roller 20 is arranged below the slag discharging port 2 in the chute 4, and the crushing roller 20 is used for crushing slag into small blocks so as to prevent the slag from being blocked due to coagulation. The sealing cover 10 close to the slag discharge port 2 is provided with a cooling water spray device 6, the cooling water spray device 6 comprises a plurality of branch pipes 61, the tail ends of the branch pipes 61 are provided with spray heads 62, and the cooling water spray device 6 is used for cooling the discharged slag. The cooling water spraying device 6 is connected with the water outlet end of a first reflux pump 8 through a first reflux pipe 7, and the water inlet end of the first reflux pump 8 is connected with the water outlet end of a cooling water tower 9 through a pipeline.
The bottom of the chute 4 is provided with a water quenching tank 5, the water quenching tank 5 is connected with the water inlet end of a second reflux pump 19 through a pipeline, the water outlet end of the second reflux pump 19 is connected with one water inlet end of a cooling tower 9 through a third reflux pipe 18, a gas collecting cover 11 communicated with the chute 4 is arranged on a sealing cover 10 between a cooling water spraying device 6 and the water quenching tank 5, the upper end of the gas collecting cover 11 is connected with the gas inlet of a gas-liquid separator 13, the gas outlet of the gas-liquid separator 13 is connected with a gas compressor 16 through a gas outlet pipe 14, and the gas outlet of the gas compressor 16 is connected with a pressure container 17 through a pipeline; the liquid outlet of the gas-liquid separator 13 is connected with the other water inlet of the cooling tower 9 through a second return pipe 15, an exhaust pipe 12 communicated with the chute 4 is arranged on a sealing cover 10 between the cooling water spraying device 6 and the gas collecting cover 11, a stop valve 21 is arranged on the exhaust pipe 12, and the stop valve 21 is used for controlling the on-off of the exhaust pipe 10.
Before the yellow phosphorus electric furnace 1 starts to discharge slag, the stop valve 21 is opened and connected with the air extractor, the baffle plate 3 is closed, and after the air in the sealed cover 10 is extracted by the air extractor, the stop valve 21 is closed and the baffle plate 3 is opened to start to discharge slag. The slag enters a water quenching tank 5 to heat water after passing through a chute 4, a large amount of generated water mist and steam are collected by a gas collecting hood 11 and enter a gas-liquid separator 13, and the separated steam is compressed into pressurized gas by a gas compressor 16 and stored in a pressure container 17; the separated liquid water is sent to a water cooling tower 9 for cooling through a second return pipe 15, the water cooling tower 9 is connected with the water quenching tank 5 through a third return pipe 18 and a second return pump 19, the second return pump 19 pumps hot water of the water quenching tank 5 into the water cooling tower 9 to be mixed with the liquid water separated by the gas-liquid separator 13, and after cooling, the cooling water is sent to a spray header 62 through the first return pump 8 for spraying to pre-cool yellow phosphorus slag.
Example two
The embodiment of the utility model also discloses a method for recycling water quenching steam of yellow phosphorus slag, which uses the device and comprises the following steps:
liquid metal slag discharged from the bottom of the yellow phosphorus electric furnace 1 is intermittently discharged through a slag discharge port 2; the high-temperature furnace slag with the temperature of about 1100 ℃ flows into the water quenching tank 5 in a sliding way through a chute 4 with the length of 5-8 m, a movable baffle plate 3 is arranged on the chute, when the furnace slag flows in the chute, high-density ferrophosphorus is sunk into a groove arranged in the chute along the gravity direction, the ferrophosphorus is prevented from entering the water quenching tank 5 to generate deflagration, a cooling water spraying device 6 is arranged at the feeding end of the water quenching tank 5 to rapidly condense the furnace slag, a first return pipe 7 and a first return pump 8 are arranged at the lateral bottom of the water quenching tank and are connected with a water cooling tower 9, and the high-density ferrophosphorus flows back to the water quenching tank 5 after being cooled, so that the water quenching effect is improved; a sealing cover 10 is arranged above the chute 4 and the water quenching tank 5, a gas collecting cover 11 and an exhaust pipe 12 are arranged on the sealing cover, the gas collecting cover 11 is connected with a gas-liquid separator 13, and the gas-liquid separator 13 is a high-speed centrifugal rotating device, so that the drying and cleaning of steam entering a subsequent compressor 16 are ensured; the liquid phase containing dust enters the water quenching tank 5 through a second return pipe 15, the exhaust pipe 12 can be connected with an external induced draft fan, and noncondensable gas in the gas phase is intermittently discharged; steam from the gas-liquid separator enters the steam pressurizing storage device through the air outlet pipe 14; the cooling tower 9 is connected with the water quenching tank 5 through a third return pipe 18 and a second return pump 19 to form a circulating water system, so that the water quenching temperature of the slag is 25-30 ℃, and the granularity of crystals after water quenching of the slag is ensured.
Further, the operation of the device is intermittent to cooperate with the deslagging process; when the phosphorus slag is discharged, the cooling water spraying device 6 is opened in advance, cooling water is introduced from the cooling water tower 9, the liquid slag entering the cooling water spraying device 6 and entering the water quenching tank through the chute 4 is rapidly cooled and crystallized, and is discharged through the hopper; the steam formed in the slag cooling process is heated and boosted by a gas-liquid separator 13 and a steam recompression compressor 16, the taste of the steam is raised to 0.6Mpa low-pressure steam, the steam is stored in a steam drum 17, and the outlet of the steam drum is integrated into a steam pipe network.
Further, the superheated steam exiting the vapor recompression pressure device 16 enters a drum to regulate temperature, and the low pressure steam is produced as a nearby device preheat steam or is incorporated into the utility grid of the plant. The compressor 16 is a centrifugal compressor, consuming electrical energyW Consumption of 260 to 660.4 kw.h. The pressure of the pressurized steam is 0.4-1.6 MPa; when the pressure of the pressurized steam is 0.4-1.6 MPa, the heat energy Q is 2087.9-2488.2 kw.h.
Example III
The objects processed in this embodiment are: the electric furnace has the power consumption of 13800 kw.h, the annual yellow phosphorus production of 8300 tons, the yellow phosphorus production of 0.94 ton, slag discharge once in 5 hours, 40 tons of slag discharge each time, and 2.5 tons of steam production when being matched with a slag water quenching steam recycling device.
Before the yellow phosphorus electric furnace 1 starts to discharge slag, the stop valve 21 is opened and connected with the air extractor, the baffle plate 3 is closed, and after the air in the sealed cover 10 is extracted by the air extractor, the stop valve 21 is closed and the baffle plate 3 is opened to start to discharge slag.
The crushing roller 20 crushes the slag into small blocks, the small blocks enter the water quenching tank 5 after passing through the chute 4 to heat water, and a large amount of generated water mist and steam are collected by the gas collecting hood 11 and enter the gas-liquid separator 13 to separate the water mist and the steam.
When in use, the water vapor enters the air compressor to be compressed into 0.4MPa pressurized steam, the heat energy (Q) is 2087.9 kw.h, and the electric energy consumed by the air compressor is [ ], the heat energy (Q) is 2087.9 kw.hW Consumption of ) The compressed pressurized steam was stored in the air tank 17 at 260 kw.h and discharged through the second air outlet pipe 22 for use. The present example produced 0.4MPa pressurized steam with a compressor heating Coefficient (COP) of 8.03.
Example IV
The objects processed in this embodiment are: the electric furnace has the power consumption of 13800 kw.h, the annual yellow phosphorus production of 8300 tons, the yellow phosphorus production of 0.94 ton, slag discharge once in 5 hours, 40 tons of slag discharge each time, and 2.5 tons of steam production when being matched with a slag water quenching steam recycling device.
Before the yellow phosphorus electric furnace 1 starts to discharge slag, the stop valve 21 is opened and connected with the air extractor, the baffle plate 3 is closed, and after the air in the sealed cover 10 is extracted by the air extractor, the stop valve 21 is closed and the baffle plate 3 is opened to start to discharge slag.
The crushing roller 20 crushes the slag into small blocks, the small blocks enter the water quenching tank 5 after passing through the chute 4 to heat water, and a large amount of generated water mist and steam are collected by the gas collecting hood 11 and enter the gas-liquid separator 13 to separate the water mist and the steam.
When in use, the water vapor enters the air compressor to be compressed into 0.7MPa pressurized steam, the heat energy (Q) is 2229.4 kw.h, and the electric energy consumed by the air compressor is [ ], the heat energy (Q) is 2229.4 kw.hW Consumption of ) The compressed pressurized steam is stored in the air storage tank 17 and discharged through the second air outlet pipe 22 for use at 401.6 kw.h. The present example produced 0.7MPa pressurized steam with a compressor heating Coefficient (COP) of 5.55.
Example five
The objects processed in this embodiment are: the electric furnace has the power consumption of 13800 kw.h, the annual yellow phosphorus production of 8300 tons, the yellow phosphorus production of 0.94 ton, slag discharge once in 5 hours, 40 tons of slag discharge each time, and 2.5 tons of steam production when being matched with a slag water quenching steam recycling device.
Before the yellow phosphorus electric furnace 1 starts to discharge slag, the stop valve 21 is opened and connected with the air extractor, the baffle plate 3 is closed, and after the air in the sealed cover 10 is extracted by the air extractor, the stop valve 21 is closed and the baffle plate 3 is opened to start to discharge slag.
The crushing roller 20 crushes the slag into small blocks, the small blocks enter the water quenching tank 5 after passing through the chute 4 to heat water, and a large amount of generated water mist and steam are collected by the gas collecting hood 11 and enter the gas-liquid separator 13 to separate the water mist and the steam.
When in use, the water vapor enters the air compressor to be compressed into 1.6MPa of pressurized steam, the heat energy (Q) is 2488.2 kw.h, and meanwhile, the electric energy consumed by the air compressor is [ (], the heat energy is also used as the heat energy of the air compressorW Consumption of ) The compressed pressurized steam was stored in the air tank 17 at 660.4 kw.h and discharged through the second air outlet pipe 22 for use. The present example produced 1.6MPa pressurized steam with a compressor heating Coefficient (COP) of 3.77.
Claims (3)
1. The utility model provides a yellow phosphorus slag water quenching vapor recycling device which characterized in that: the device comprises a chute (4) with a sealing cover (10), wherein the chute (4) is positioned at the lower side of a slag discharging port (2) of a yellow phosphorus electric furnace (1), the slag discharging port (2) is inserted into the chute (4), a cooling water spraying device (6) is arranged on the sealing cover (10) close to the slag discharging port (2), the cooling water spraying device (6) is used for cooling discharged slag, the cooling water spraying device (6) is connected with the water outlet end of a first reflux pump (8) through a first reflux pipe (7), and the water inlet end of the first reflux pump (8) is connected with the water outlet end of a cooling tower (9) through a pipeline; the bottom of the chute (4) is provided with a water quenching tank (5), the water quenching tank (5) is internally connected with the water inlet end of a second reflux pump (19) through a pipeline, the water outlet end of the second reflux pump (19) is connected with one water inlet end of a cooling tower (9) through a third reflux pipe (18), a gas collecting cover (11) communicated with the chute (4) is arranged on a sealing cover (10) between a cooling water spraying device (6) and the water quenching tank (5), the upper end of the gas collecting cover (11) is connected with the gas inlet of a gas-liquid separator (13), the gas outlet of the gas-liquid separator (13) is connected with a gas compressor (16) through a gas outlet pipe (14), and the gas outlet of the gas compressor (16) is connected with a pressure vessel (17) through a pipeline; a liquid outlet of the gas-liquid separator (13) is connected with the other water inlet of the cooling tower (9) through a second return pipe (15), and an exhaust pipe (12) communicated with the chute (4) is arranged on a sealing cover (10) between the cooling water spraying device (6) and the gas collecting cover (11); a baffle (3) is arranged on the slag discharge port (2), and the baffle (3) is used for controlling the opening or closing of the slag discharge port (2); a crushing roller (20) is arranged below the slag discharging opening (2) in the chute (4), and the crushing roller (20) is used for crushing slag into small blocks.
2. The yellow phosphorus slag water quenching steam recycling device according to claim 1, which is characterized in that: the cooling water spraying device (6) comprises a plurality of branch pipes (61), and a spray header (62) is arranged at the tail end of each branch pipe (61).
3. The yellow phosphorus slag water quenching steam recycling device according to claim 1, which is characterized in that: a stop valve (21) is arranged on the exhaust pipe (12), and the stop valve (21) is used for controlling the on-off of the exhaust pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086928.7U CN220110434U (en) | 2023-05-08 | 2023-05-08 | Yellow phosphorus slag water quenching vapor recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086928.7U CN220110434U (en) | 2023-05-08 | 2023-05-08 | Yellow phosphorus slag water quenching vapor recycling device |
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| Publication Number | Publication Date |
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| CN220110434U true CN220110434U (en) | 2023-12-01 |
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|---|---|---|---|
| CN202321086928.7U Active CN220110434U (en) | 2023-05-08 | 2023-05-08 | Yellow phosphorus slag water quenching vapor recycling device |
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| Country | Link |
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| CN (1) | CN220110434U (en) |
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2023
- 2023-05-08 CN CN202321086928.7U patent/CN220110434U/en active Active
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