CN111871158A - Yellow phosphorus factory exhaust treatment system - Google Patents
Yellow phosphorus factory exhaust treatment system Download PDFInfo
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- CN111871158A CN111871158A CN202010735016.2A CN202010735016A CN111871158A CN 111871158 A CN111871158 A CN 111871158A CN 202010735016 A CN202010735016 A CN 202010735016A CN 111871158 A CN111871158 A CN 111871158A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/206—Organic halogen compounds
- B01D2257/2066—Fluorine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/55—Compounds of silicon, phosphorus, germanium or arsenic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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Abstract
The invention relates to the field of energy conservation and environmental protection, in particular to a waste gas treatment system of a yellow phosphorus plant. The waste gas treatment system comprises a waste gas collecting cover at a slag outlet of a yellow phosphorus furnace, a waste gas collecting cover of a slag pool, a waste gas collecting cover of a refining tank, a waste gas collecting cover of a vertical flow settling tank, a phosphorus mud pot recovery tower, a waste gas collecting cover at a slag outlet of a phosphorus mud pot, a waste gas collecting cover of a sewage circulating pool, a main waste gas collecting pipe of a yellow phosphorus furnace section, a main waste gas collecting pipe of a phosphorus mud recovery section, a waste gas collecting pipe of a sewage circulating pool, a dedusting and washing tower, a cold water pool, an alkali washing tower, an alkali water pool, a water vapor collecting tower, a heat exchanger, a waste gas collecting fan of a yellow phosphorus furnace section, a waste gas collecting fan of a phosphorus mud recovery section, a waste gas collecting fan. The invention saves water, reduces emission, effectively removes harmful substances and dust, and discharges gas without white smoke and meets the requirement of environmental protection.
Description
Technical Field
The invention relates to the field of energy conservation and environmental protection, in particular to a waste gas treatment system of a yellow phosphorus plant.
Background
At present, yellow phosphorus is almost produced by adopting an electric furnace method. The yellow phosphorus production process has many working procedures, and the yellow phosphorus furnace slag outlet, the slag pool, the refining tank, the vertical flow settling tank, the phosphorus sludge pot recovery tower, the phosphorus sludge pot slag outlet and the sewage circulating pool produce harmful substances and dust containing phosphorus, sulfur, arsenic, fluorine and the like, and if the harmful substances and dust are directly discharged, the environment pollution is caused. And the waste gas contacts with the ambient air with lower temperature, during the cooling process of the waste gas, the water vapor contained in the waste gas is supersaturated and condensed, and condensed water drops refract and scatter light, so that the smoke plume is white, commonly called white smoke. Under the situation that modern environmental protection requirements are increasingly strict, the whitening of white smoke formed during exhaust emission becomes an important task.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a yellow phosphorus factory waste gas treatment system which is water-saving, emission-reducing, and can effectively remove harmful substances, dust and discharged gas without white smoke and meet the environmental protection requirement; effectively solves the problem that the waste gas generated in the production of yellow phosphorus plants is discharged according to the environmental protection requirement.
In order to achieve the purpose, the technical solution adopted by the invention is as follows:
the waste gas treatment system of the yellow phosphorus factory comprises a yellow phosphorus furnace slag outlet waste gas collection cover, a slag pool waste gas collection cover, a refining tank waste gas collection cover, a vertical flow settling tank waste gas collection cover, a phosphorus mud pot recovery tower, a phosphorus mud pot slag outlet waste gas collection cover, a sewage circulation pool waste gas collection cover, a yellow phosphorus furnace section main waste gas collection pipe, a phosphorus mud recovery section main waste gas collection pipe, a sewage circulation pool waste gas collection pipe, a dust removal washing tower, a cold water pool, an alkali wash tower, an alkali water pool, a water vapor collection tower, a heat exchanger, a yellow phosphorus furnace section waste gas collection fan, a phosphorus mud recovery section waste gas collection fan, a sewage circulation pool waste gas collection fan, a cold water pump and an alkali water pump;
the waste gas collecting cover of the slag outlet of the yellow phosphorus furnace is arranged above the slag outlet of the yellow phosphorus furnace and is connected with a main waste gas collecting pipe of the yellow phosphorus furnace section through a pipeline; the slag pool waste gas collecting cover is arranged above the slag pool and is connected with a main waste gas collecting pipe of the yellow phosphorus furnace section through a pipeline; the waste gas collecting cover of the refining tank is arranged above the refining tank and is connected with a main waste gas collecting pipe of the yellow phosphorus furnace section through a pipeline; the waste gas collecting cover of the vertical flow settling tank is arranged above the vertical flow settling tank and is connected with a main waste gas collecting pipe of the yellow phosphorus furnace section through a pipeline; one end of the main waste gas collecting pipe of the yellow phosphorus furnace section is connected with the gas inlet of the dedusting and washing tower, and a yellow phosphorus furnace section waste gas collecting fan is arranged on the main waste gas collecting pipe of the yellow phosphorus furnace section;
the gas outlet of the mud phosphorus pot recovery tower is connected with a main waste gas collecting pipe of the mud phosphorus recovery section through a pipeline; the waste gas collecting cover of the slag outlet of the phosphorus mud pot is arranged above the slag outlet of the phosphorus mud pot and is connected with the main waste gas collecting pipe of the phosphorus mud recovery section through a pipeline; one end of the main waste gas collecting pipe of the phosphorus sludge recovery section is connected with an air inlet of the dedusting washing tower, and a waste gas collecting fan of the phosphorus sludge recovery section is arranged on the main waste gas collecting pipe of the phosphorus sludge recovery section;
the waste gas collecting cover of the sewage circulating tank is arranged above the sewage circulating tank and is connected with the waste gas collecting pipe of the sewage circulating tank; one end of the waste gas collecting pipe of the sewage circulating tank is connected with an air inlet of the alkaline washing tower, and a waste gas collecting fan of the sewage circulating tank is arranged on the waste gas collecting pipe of the sewage circulating tank;
one end of the cold water inlet pipe extends to the middle layer of the cold water pool, the other end of the cold water inlet pipe is connected with a water inlet of the dedusting washing tower, and a cold water pump is arranged on the cold water inlet pipe; one end of the drain pipe is connected with a drain outlet of the dedusting washing tower, and the other end of the drain pipe extends to the lower layer of the cold water pool; the air outlet of the dedusting washing tower is connected with the air inlet of the alkaline washing tower through a pipeline;
one end of the alkaline water inlet pipe extends to the middle layer of the alkaline water pool, the other end of the alkaline water inlet pipe is connected with a water inlet of the alkaline washing tower, and an alkaline water pump is arranged on the alkaline water inlet pipe; one end of the alkali discharge water pipe is connected with a water outlet of the alkali washing tower, and the other end of the alkali discharge water pipe extends to the lower layer of the alkali water pool; the air outlet of the alkaline washing tower is connected with the air inlet of the water vapor collecting tower through a pipeline;
one end of the water drain pipe is connected with a water outlet of the water vapor collecting tower, and the other end of the water drain pipe extends to the upper layer of the cold water pool;
the exhaust pipe of the water vapor collecting tower is provided with a heat exchanger.
The number of the waste gas collecting cover at the slag hole of the yellow phosphorus furnace, the number of the waste gas collecting cover at the slag pool, the number of the waste gas collecting cover at the refining tank and the number of the waste gas collecting cover at the vertical flow settling tank are 1-3.
The number of the waste gas collecting covers of the mud phosphorus pot recovery tower and the mud phosphorus pot slag hole is 2-4.
2-4 waste gas collecting covers are arranged on the sewage circulating tank.
When the device works, a heat exchanger, a yellow phosphorus furnace section waste gas collecting fan, a sludge phosphorus recovery section waste gas collecting fan, a sewage circulating pool waste gas collecting fan, a cold water pump and an alkaline water pump are operated, waste gas collected from a yellow phosphorus furnace slag outlet, a slag pool, a refining tank, a vertical flow settling tank, a sludge phosphorus pot recovery tower and a sludge phosphorus pot slag outlet enters a dedusting washing tower to remove dust, and generated sewage is discharged into the lower layer of the cold water pool to ensure the cleanness of upper-layer water. And the waste gas from the dedusting washing tower and the sewage circulating tank enters an alkaline washing tower to remove harmful substances such as phosphorus, sulfur, arsenic, fluorine and the like, and the generated sewage alkaline water is discharged into the lower layer of the alkaline water tank to ensure the cleanness of the upper alkaline water. The waste gas that the water content is big that the caustic wash tower came out gets rid of unnecessary moisture in the steam collecting tower, heats the gas that discharges through heat exchanger to unanimous with ambient temperature, guarantees not to produce white cigarette, makes the gas that discharges accord with the environmental protection requirement. The water generated by the water vapor collecting tower is discharged to the cold water pool through the water discharge pipe, so that the water discharge is reduced and the water is saved.
The invention has the beneficial effects that:
1. the invention treats the waste gas of yellow phosphorus factory, which can save water, reduce emission, effectively remove harmful substances and dust, and discharge gas without white smoke and meet the requirement of environmental protection.
2. The invention adopts a waste gas collecting cover of a slag outlet of a yellow phosphorus furnace, a waste gas collecting cover of a slag pool, a waste gas collecting cover of a refining tank, a waste gas collecting cover of a vertical flow settling tank, a mud phosphorus pot recovery tower, a waste gas collecting cover of a slag outlet of a mud phosphorus pot and a waste gas collecting cover of a sewage circulating pool, and can collect waste gas generated in each process of a yellow phosphorus plant.
3. The invention adopts a main waste gas collecting pipe at the yellow phosphorus furnace section, a main waste gas collecting pipe at the mud phosphorus recovery section, a waste gas collecting pipe of a sewage circulating pool, a waste gas collecting fan at the yellow phosphorus furnace section, a waste gas collecting fan at the mud phosphorus recovery section and a waste gas collecting fan at the sewage circulating pool, and can convey waste gas generated in each process of a yellow phosphorus plant to a dedusting washing tower and an alkaline washing tower.
4. The invention adopts the dedusting washing tower, the cold water pump and the cold water tank, so that dust can be removed, and the produced sewage is discharged into the lower layer of the cold water tank, thereby ensuring the cleanness of the upper layer water.
5. The invention adopts the alkaline washing tower, the alkaline water pump and the alkaline water tank, harmful substances such as phosphorus, sulfur, arsenic, fluorine and the like can be removed, and the generated alkaline water is discharged into the lower layer of the alkaline water tank, thereby ensuring the cleanness of the alkaline water on the upper layer.
6. The invention adopts the water vapor collecting tower and the heat exchanger, can remove redundant water, heats the discharged gas to be consistent with the ambient temperature, and ensures that no white smoke is generated.
7. The invention adopts the drain pipe to drain the water generated by the water vapor collecting tower to the cold water tank, thereby reducing the water discharge and saving the water.
Drawings
Fig. 1 is a schematic structural view of the present invention.
1-yellow phosphorus furnace slag hole waste gas collecting cover, 2-slag pool waste gas collecting cover, 3-refining groove waste gas collecting cover, 4-vertical flow settling tank waste gas collecting cover, 5-phosphorus mud pot recycling tower, 6-phosphorus mud pot slag hole waste gas collecting cover, 7-sewage circulating pool waste gas collecting cover, 8-yellow phosphorus furnace section main waste gas collecting pipe, 9-phosphorus mud recycling section main waste gas collecting pipe, 10-sewage circulating pool waste gas collecting pipe, 11-dedusting washing tower, 12-sewage pool, 13-alkaline washing tower, 14-alkaline water pool, 15-water vapor collecting tower, 16-heat exchanger, 17-yellow phosphorus furnace section waste gas collecting fan, 18-phosphorus mud recycling section waste gas collecting fan, 19-sewage circulating pool waste gas collecting fan, 20-cold water pump, 21-alkaline water pump, 22-cold water inlet pipe, 23-blow-off pipe, 24-alkaline water inlet pipe, 25-alkaline water discharge pipe, 26-water discharge pipe and 27-exhaust pipe.
Detailed Description
Example 1
As shown in fig. 1, the waste gas treatment system of the yellow phosphorus factory comprises a yellow phosphorus furnace slag outlet waste gas collection cover 1, a slag pool waste gas collection cover 2, a refining tank waste gas collection cover 3, a vertical flow settling tank waste gas collection cover 4, a phosphorus mud pot recovery tower 5, a phosphorus mud pot slag outlet waste gas collection cover 6, a sewage circulation tank waste gas collection cover 7, a yellow phosphorus furnace section main waste gas collection pipe 8, a phosphorus mud recovery section main waste gas collection pipe 9, a sewage circulation tank waste gas collection pipe 10, a dedusting washing tower 11, a cold water pool 12, an alkali wash tower 13, an alkali water pool 14, a water vapor collection tower 15, a heat exchanger 16, a yellow phosphorus furnace section waste gas collection fan 17, a phosphorus mud recovery section waste gas collection fan 18, a sewage circulation tank waste gas collection fan 19, a cold water pump 20 and an alkali water pump 21;
the waste gas collecting cover 1 of the slag hole of the yellow phosphorus furnace is arranged above the slag hole of the yellow phosphorus furnace and is connected with a main waste gas collecting pipe 8 of the yellow phosphorus furnace section through a pipeline; the slag pool waste gas collecting cover 2 is arranged above the slag pool and is connected with a main waste gas collecting pipe 8 of the yellow phosphorus furnace section through a pipeline; the refining tank waste gas collecting cover 3 is arranged above the refining tank and is connected with a main waste gas collecting pipe 8 of the yellow phosphorus furnace section through a pipeline; the waste gas collecting cover 4 of the vertical flow settling tank is arranged above the vertical flow settling tank and is connected with a main waste gas collecting pipe 8 of the yellow phosphorus furnace section through a pipeline; one end of a main waste gas collecting pipe 8 of the yellow phosphorus furnace section is connected with an air inlet of a dedusting and washing tower 11, and a waste gas collecting fan 17 of the yellow phosphorus furnace section is arranged on the main waste gas collecting pipe 8 of the yellow phosphorus furnace section;
the gas outlet of the mud phosphorus pot recovery tower 5 is connected with a main waste gas collecting pipe 9 of the mud phosphorus recovery section through a pipeline; the waste gas collecting cover 6 of the residue outlet of the phosphorus mud pan is arranged above the residue outlet of the phosphorus mud pan and is connected with the main waste gas collecting pipe 9 of the phosphorus mud recovery section through a pipeline; one end of a main waste gas collecting pipe 9 of the sludge phosphorus recovery section is connected with an air inlet of the dedusting and washing tower 11, and a waste gas collecting fan 18 of the sludge phosphorus recovery section is arranged on the main waste gas collecting pipe 9 of the sludge phosphorus recovery section;
the waste gas collecting cover 7 of the sewage circulating tank is arranged above the sewage circulating tank, and the waste gas collecting cover 7 of the sewage circulating tank is connected with the waste gas collecting pipe 10 of the sewage circulating tank; one end of a waste gas collecting pipe 10 of the sewage circulating tank is connected with an air inlet of an alkaline washing tower 13, and a waste gas collecting fan 19 of the sewage circulating tank is arranged on the waste gas collecting pipe 10 of the sewage circulating tank;
one end of a cold water inlet pipe 22 extends to the middle layer of the cold water tank 12, the other end of the cold water inlet pipe is connected with a water inlet of the dedusting and washing tower 11, and a cold water pump 20 is arranged on the cold water inlet pipe 22; one end of the drain pipe 23 is connected with a drain outlet of the dedusting washing tower 11, and the other end extends to the lower layer of the cold water tank 12; the air outlet of the dedusting washing tower 11 is connected with the air inlet of the alkaline washing tower 13 through a pipeline;
one end of an alkaline water inlet pipe 24 extends to the middle layer of the alkaline water tank 14, the other end of the alkaline water inlet pipe is connected with a water inlet of the alkaline tower 13, and an alkaline water pump 21 is arranged on the alkaline water inlet pipe 24; one end of the alkali discharge water pipe 25 is connected with a water outlet of the alkali washing tower 13, and the other end extends to the lower layer of the alkali water pool 14; an air outlet of the alkaline tower 13 is connected with an air inlet of the water vapor collecting tower 15 through a pipeline;
one end of the water drain pipe 26 is connected with the water drain opening of the water vapor collecting tower 15, and the other end extends to the upper layer of the cold water pool 12;
the exhaust pipe 27 of the moisture collection tower 15 is provided with a heat exchanger 16.
The device is characterized in that the device comprises 1 yellow phosphorus furnace slag hole waste gas collecting cover 1, a slag pool waste gas collecting cover 2, a refining tank waste gas collecting cover 3 and a vertical flow settling tank waste gas collecting cover 4.
And 2 sludge phosphorus pot recovery towers 5 and 2 sludge phosphorus pot slag hole waste gas collecting covers 6 are arranged.
And 2 waste gas collecting covers 7 of the sewage circulating tank are provided.
When the device works, a heat exchanger 16, a yellow phosphorus furnace section waste gas collecting fan 17, a sludge phosphorus recovery section waste gas collecting fan 18, a sewage circulating pool waste gas collecting fan 19, a cold water pump 20 and an alkali water pump 21 are operated, waste gas collected from a yellow phosphorus furnace slag outlet, a slag pool, a refining tank, a vertical flow settling tank, a sludge phosphorus pot recovery tower 5 and a sludge phosphorus pot slag outlet enters a dedusting and washing tower 11 to remove dust, and the generated sewage is discharged into the lower layer of the cold water pool 12 to ensure the cleanness of upper water. And the waste gas from the dedusting washing tower 11 and the sewage circulating tank enters an alkaline washing tower 13 to remove harmful substances such as phosphorus, sulfur, arsenic, fluorine and the like, and the generated sewage alkaline water is discharged into the lower layer of the alkaline water tank 14 to ensure the cleanness of the upper alkaline water. The waste gas with large water content from the alkaline tower 13 is treated by removing redundant water in the water vapor collecting tower 15, and the discharged gas is heated to be consistent with the ambient temperature through the heat exchanger 16, so that no white smoke is generated, and the discharged gas meets the environmental protection requirement. The water generated by the water vapor collecting tower 15 is discharged to the cold water pool 12 through the water discharge pipe 26, thereby reducing the discharge of water and saving water.
Example 2
The waste gas treatment system of the yellow phosphorus plant is implemented as in example 1, and the difference is that 2 waste gas collecting covers are arranged on a slag hole of the yellow phosphorus furnace, a slag pool waste gas collecting cover, a refining tank waste gas collecting cover and a vertical flow settling tank waste gas collecting cover. The waste gas collecting cover for the sludge phosphorus pot recovery tower and the sludge phosphorus pot slag outlet is 3. The sewage circulation pond waste gas is collected and is covered 3.
Example 3
The waste gas treatment system of the yellow phosphorus plant is implemented as in example 1, and the difference is that 3 waste gas collecting covers are arranged on a slag hole of the yellow phosphorus furnace, a slag pool waste gas collecting cover, a refining tank waste gas collecting cover and a vertical flow settling tank waste gas collecting cover. The sludge phosphorus pot recovery tower and the sludge phosphorus pot slag hole waste gas collecting cover have 4. 4 waste gas collecting covers are arranged on the sewage circulating tank.
Claims (5)
1. A yellow phosphorus factory waste gas treatment system is characterized in that, the device comprises a yellow phosphorus furnace slag hole waste gas collecting cover (1), a slag pool waste gas collecting cover (2), a refining groove waste gas collecting cover (3), a vertical flow settling tank waste gas collecting cover (4), a phosphorus mud pot recovery tower (5), a phosphorus mud pot slag hole waste gas collecting cover (6), a sewage circulating pool waste gas collecting cover (7), a yellow phosphorus furnace section main waste gas collecting pipe (8), a phosphorus mud recovery section main waste gas collecting pipe (9), a sewage circulating pool waste gas collecting pipe (10), a dust removal washing tower (11), a cold water pool (12), an alkali washing tower (13), an alkali water pool (14), a water vapor collecting tower (15), a heat exchanger (16), a yellow phosphorus furnace section waste gas collecting fan (17), a phosphorus mud recovery section waste gas collecting fan (18), a sewage circulating pool waste gas collecting fan (19), a cold water pump (20) and an alkali water pump (21);
the waste gas collecting cover (1) of the slag hole of the yellow phosphorus furnace is arranged above the slag hole of the yellow phosphorus furnace and is connected with a main waste gas collecting pipe (8) of the yellow phosphorus furnace section through a pipeline; the slag pool waste gas collecting cover (2) is arranged above the slag pool and is connected with a main waste gas collecting pipe (8) of the yellow phosphorus furnace section through a pipeline; a refining tank waste gas collecting cover (3) is arranged above the refining tank and is connected with a main waste gas collecting pipe (8) of the yellow phosphorus furnace section through a pipeline; the waste gas collecting cover (4) of the vertical flow settling tank is arranged above the vertical flow settling tank and is connected with a main waste gas collecting pipe (8) of the yellow phosphorus furnace section through a pipeline; one end of a main waste gas collecting pipe (8) of the yellow phosphorus furnace section is connected with an air inlet of a dedusting washing tower (11), and a waste gas collecting fan (17) of the yellow phosphorus furnace section is arranged on the main waste gas collecting pipe (8) of the yellow phosphorus furnace section;
the gas outlet of the mud phosphorus pot recovery tower (5) is connected with a main waste gas collecting pipe (9) of the mud phosphorus recovery section through a pipeline; a waste gas collecting cover (6) at the slag outlet of the phosphorus mud pot is arranged above the slag outlet of the phosphorus mud pot and is connected with a main waste gas collecting pipe (9) of a phosphorus mud recovery section through a pipeline; one end of a main waste gas collecting pipe (9) of the phosphorus sludge recovery section is connected with an air inlet of the dedusting and washing tower (11), and a waste gas collecting fan (18) of the phosphorus sludge recovery section is arranged on the main waste gas collecting pipe (9) of the phosphorus sludge recovery section;
the waste gas collecting cover (7) of the sewage circulating pool is arranged above the sewage circulating pool, and the waste gas collecting cover (7) of the sewage circulating pool is connected with the waste gas collecting pipe (10) of the sewage circulating pool; one end of a waste gas collecting pipe (10) of the sewage circulating tank is connected with an air inlet of the alkaline washing tower (13), and a waste gas collecting fan (19) of the sewage circulating tank is arranged on the waste gas collecting pipe (10) of the sewage circulating tank;
one end of a cold water inlet pipe (22) extends to the middle layer of the cold water tank (12), the other end of the cold water inlet pipe is connected with a water inlet of the dedusting washing tower (11), and a cold water pump (20) is arranged on the cold water inlet pipe (22); one end of the drain pipe (23) is connected with a drain outlet of the dedusting washing tower (11), and the other end extends to the lower layer of the cold water tank (12); the air outlet of the dedusting washing tower (11) is connected with the air inlet of the alkaline washing tower (13) through a pipeline;
one end of an alkaline water inlet pipe (24) extends to the middle layer of the alkaline water pool (14), the other end of the alkaline water inlet pipe is connected with a water inlet of the alkaline washing tower (13), and an alkaline water pump (21) is arranged on the alkaline water inlet pipe (24); one end of the alkali discharge water pipe (25) is connected with a water discharge port of the alkali washing tower (13), and the other end extends to the lower layer of the alkali water pool (14); an air outlet of the alkaline tower (13) is connected with an air inlet of the water vapor collecting tower (15) through a pipeline;
one end of the drain pipe (26) is connected with a water outlet of the water vapor collecting tower (15), and the other end extends to the upper layer of the cold water pool (12);
the exhaust pipe (27) of the water vapor collecting tower (15) is provided with a heat exchanger (16).
2. The yellow phosphorus plant waste gas treatment system of claim 1, wherein the number of the yellow phosphorus furnace slag hole waste gas collecting hood (1), the slag bath waste gas collecting hood (2), the refining tank waste gas collecting hood (3) and the vertical flow settling tank waste gas collecting hood (4) is 1-3.
3. The yellow phosphorus plant waste gas treatment system according to claim 1 or 2, wherein the number of the sludge phosphorus pot recovery tower (5) and the sludge phosphorus pot slag hole waste gas collecting hood (6) is 2-4.
4. The yellow phosphorus plant waste gas treatment system of claim 1 or 2, characterized in that the number of the sewage circulation tank waste gas collecting hoods (7) is 2-4.
5. The yellow phosphorus plant waste gas treatment system according to claim 3, wherein the number of the sewage circulation tank waste gas collecting hoods (7) is 2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010735016.2A CN111871158A (en) | 2020-07-28 | 2020-07-28 | Yellow phosphorus factory exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010735016.2A CN111871158A (en) | 2020-07-28 | 2020-07-28 | Yellow phosphorus factory exhaust treatment system |
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| Publication Number | Publication Date |
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| CN111871158A true CN111871158A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010735016.2A Pending CN111871158A (en) | 2020-07-28 | 2020-07-28 | Yellow phosphorus factory exhaust treatment system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5332563A (en) * | 1988-10-24 | 1994-07-26 | The Regents Of The University Of California | Yellow phosphorus process to convert toxic chemicals to non-toxic products |
| CN104548915A (en) * | 2015-01-22 | 2015-04-29 | 四川蓝海化工（集团）有限公司 | Smoke gas collecting system of yellow phosphorus recovery device |
| CN208193972U (en) * | 2018-01-31 | 2018-12-07 | 四川蓝海化工（集团）有限公司 | Yellow phosphorus workshop smoke comprehensive governing system |
| CN209791229U (en) * | 2019-03-20 | 2019-12-17 | 昆明尔康科技有限公司 | Waste gas treatment system of baffling pond of yellow phosphorus factory |
-
2020
- 2020-07-28 CN CN202010735016.2A patent/CN111871158A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5332563A (en) * | 1988-10-24 | 1994-07-26 | The Regents Of The University Of California | Yellow phosphorus process to convert toxic chemicals to non-toxic products |
| CN104548915A (en) * | 2015-01-22 | 2015-04-29 | 四川蓝海化工（集团）有限公司 | Smoke gas collecting system of yellow phosphorus recovery device |
| CN208193972U (en) * | 2018-01-31 | 2018-12-07 | 四川蓝海化工（集团）有限公司 | Yellow phosphorus workshop smoke comprehensive governing system |
| CN209791229U (en) * | 2019-03-20 | 2019-12-17 | 昆明尔康科技有限公司 | Waste gas treatment system of baffling pond of yellow phosphorus factory |
Non-Patent Citations (1)
| Title |
|---|
| 王学谦 等: "《黄磷尾气催化氧化净化技术》", 28 February 2009, 冶金工业出版社 * |
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Application publication date: 20201103 |
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