Energy-saving and environment-friendly yellow phosphorus production device

Abstract

The utility model discloses an energy-saving environment-friendly yellow phosphorus production device which comprises an electric furnace, a feeding port is installed in the middle of the upper side wall of the electric furnace, an electric furnace steam pipeline is installed at the position, close to the rear end, of the other side of the upper side wall of the electric furnace, and an electric furnace sucking pump is installed at an air outlet of the electric furnace steam pipeline. An absorption tower is installed on the rear side wall of the electric furnace sucking pump, the electric furnace sucking pump is located at the middle position, close to one side, of the front side wall of the absorption tower, a coarse phosphorus pipeline is installed at the position, close to one side of the lower end, of the rear side wall of the absorption tower, a coarse phosphorus water pump is installed at a discharging opening of the coarse phosphorus pipeline, and a refining pot is installed on the rear side wall of the coarse phosphorus water pump; and the crude phosphorus water pump is positioned in the middle of the front side wall of the refining pot close to the upper end. According to the yellow phosphorus tail gas purification device, the alkaline purification pool can be used for carrying out alkaline washing purification on yellow phosphorus tail gas, pure carbon monoxide is obtained through purification, and the gas storage tank is used for collecting the purified carbon monoxide, so that subsequent use is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of yellow phosphorus production, in particular to an energy-saving and environment-friendly yellow phosphorus production device. Background Art

[0002] Yellow phosphorus is an allotrope of phosphorus. It is a light yellow crystal with the smell of garlic. It is highly toxic, has a very low ignition point, can spontaneously combust, and glows in the air. It appears as a yellow waxy solid. Its main use is to make hot acid and phosphates, which are widely used in fertilizers, food, medicine, pesticides, and the electronics industry. With the increase in demand for yellow phosphorus, the number of yellow phosphorus production facilities is also increasing.

[0003] However, the waste gas generated by the existing yellow phosphorus production equipment on the market during the production process seriously pollutes the air environment, the equipment consumes too much energy, and the water resource consumption is serious. Therefore, technical personnel in this field provide an energy-saving and environmentally friendly yellow phosphorus production device to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an energy-saving and environment-friendly yellow phosphorus production device. The energy-saving and environment-friendly yellow phosphorus production device of the design performs alkali washing and purification on yellow phosphorus tail gas through an alkaline purification pool to purify pure carbon monoxide, and a gas storage tank collects the purified carbon monoxide for convenience of subsequent use. The yellow phosphorus tail gas pipeline can transfer the heat carried by the yellow phosphorus tail gas to a refining pot to reduce the energy consumption of the refining pot. The water pool collects and treats the wastewater generated during the yellow phosphorus processing in a centralized manner for convenience of subsequent use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy-saving and environment-friendly yellow phosphorus production device, comprising an electric furnace, a feed port is installed in the middle position of the upper side wall of the electric furnace, electric furnace support columns are installed at the four corners of the lower side wall of the electric furnace, an electric furnace steam pipe is installed at the rear end position of the other side of the upper side wall of the electric furnace, an electric furnace vacuum pump is installed at the air outlet of the electric furnace steam pipe, an absorption tower is installed on the rear side wall of the electric furnace vacuum pump, and the electric furnace vacuum pump is located in the middle position of one side of the front side wall of the absorption tower, a plurality of absorption tower support columns are installed on the lower side wall of the absorption tower, a crude phosphorus pipeline is installed at one side of the lower end of the rear side wall of the absorption tower, and a crude phosphorus pipe is installed at the discharge port of the crude phosphorus pipeline. A phosphorus water pump, a refining pot is installed on the rear side wall of the crude phosphorus water pump, and the crude phosphorus water pump is located in the middle position of the upper end of the front side wall of the refining pot, a pure phosphorus pipeline is installed on the middle position of the lower end of the rear side wall of the refining pot, a pure phosphorus suction pump is installed at the discharge port of the pure phosphorus pipeline, a cooling trough is installed on the rear side wall of the pure phosphorus suction pump, and the pure phosphorus suction pump is located in the middle position of the lower end of the front side wall of the cooling trough, an alkaline purification tank is placed on the upper side wall of the cooling trough at the front end, a gas storage tank is placed on the upper side wall of the cooling trough at the rear end, a carbon monoxide pipeline is installed on the side wall adjacent to the alkaline purification tank and the gas storage tank at the middle position of the upper end, and a carbon monoxide gas pump is installed at the gas outlet of the carbon monoxide pipeline.

[0006] Through the above technical scheme, the electric furnace heats up quickly, has a high heating temperature, is easy to control, has high thermal efficiency, and is more environmentally friendly. The alkaline purification pool can alkali-wash and purify the yellow phosphorus tail gas to purify pure carbon monoxide. The gas storage tank collects the purified carbon monoxide for subsequent use.

[0007] Furthermore; a plurality of three-phase electrodes are installed on the inner side of the other side wall of the electric furnace near the lower end, an electric furnace water pipe is installed on the front side wall of the electric furnace near the middle of the upper end, an electric furnace water pump is installed at the water inlet of the electric furnace water pipe, and the electric furnace water pump is located in the middle of the front side wall of the electric furnace, and an insulating layer is provided on the inner side wall of the electric furnace.

[0008] Through the above technical solution, the electric furnace water pipe and the electric furnace water pump are used in conjunction with each other to ensure that the electric furnace has sufficient water source when working, avoiding dry burning and causing equipment damage, and the insulation layer protects the inside of the electric furnace to prevent leakage.

[0009] Furthermore, a conveying trough is installed at the lower end of the rear side wall of the electric furnace near one side wall, a water pool is installed on the side of the conveying trough away from the electric furnace, the feed port of the electric furnace water pipe is installed at the middle position of the front side wall of the water pool near one side, and a partition plate is installed at the middle position of the inner wall of the water pool.

[0010] Through the above technical solution, the water pool can centrally collect and treat the wastewater generated during the processing of yellow phosphorus, which is convenient for subsequent use. The partition plate can separate the phosphorus slag and phosphorus mud to prevent mixing, which makes subsequent treatment more difficult.

[0011] Furthermore, a placement frame is installed at a middle position of the upper end of one side wall of the pool, and an acid-base detector is arranged inside the placement frame.

[0012] Through the above technical solution, the acid-base detector can accurately detect the liquid so as to reasonably add alkaline substances, and the placement frame can protect the acid-base detector from falling.

[0013] Furthermore, a packing layer is installed at the upper end of the inner wall of the absorption tower, a water spray pipe is installed at the middle position of the upper end of the rear wall of the absorption tower, an atomizing nozzle is installed at the water outlet of the water spray pipe, and the atomizing nozzle is located in the middle position above the packing layer of the inner wall of the absorption tower, and a water pump is installed in the middle position of the water spray pipe.

[0014] Through the above technical solution, the packing layer, the atomizing nozzle, the water spray pipe and the water pump are used in coordination with each other to ensure that the yellow phosphorus gas can be liquefied quickly and improve efficiency.

[0015] Furthermore, a yellow phosphorus tail gas pipeline is installed in the middle position of the upper side wall of the absorption tower, and one end of the yellow phosphorus tail gas pipeline close to the air outlet is close to the middle position of the upper side wall and the middle position of the rear side wall of the refining pot. An absorption tower air pump is installed at the air outlet of the yellow phosphorus tail gas pipeline, and the absorption tower air pump is installed in the middle position of the lower end of the front side wall of the alkaline purification tank.

[0016] Through the above technical scheme, the yellow phosphorus tail gas pipeline is closely attached to the middle position of the upper side wall and the middle position of the rear side wall of the refining pot at one end near the gas outlet, so as to transfer the heat carried by the yellow phosphorus tail gas to the refining pot and reduce the energy consumption of the refining pot.

[0017] Furthermore, a filter is installed on the inner wall of the refining pot near the lower end, a heater is installed on the inner side of the front side wall of the refining pot near the middle of the lower end, a temperature detector is installed on the inner side of the front side wall of the refining pot near the middle, an agitator is installed on the middle of the lower end surface of the upper side wall of the refining pot, a sewage pipe is installed on one side wall of the refining pot near the lower front end, and the discharge port of the sewage pipe is installed in the middle of the rear side wall of the pool.

[0018] Through the above technical scheme, the filter can separate the yellow phosphorus liquid and impurities to improve the purity of yellow phosphorus. The heater and temperature detector are used in conjunction to ensure the stability of the temperature inside the refining pot. The agitator can rotate and separate the yellow phosphorus and impurities. The drain pipe sends the phosphorus sludge into the pool to facilitate the subsequent collection and treatment of the phosphorus sludge.

[0019] Furthermore, a condenser is installed at a middle position of the lower end of the inner side of the rear side wall of the cooling tank.

[0020] Through the above technical solution, the condenser accelerates the cooling of the yellow phosphorus liquid and improves the working efficiency.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the alkaline purification tank can perform alkaline washing and purification on the yellow phosphorus tail gas to purify pure carbon monoxide, and the gas storage tank collects the purified carbon monoxide for convenience of subsequent use.

[0023] 2. In the utility model, the water pipe of the electric furnace and the water pump of the electric furnace are used in conjunction with each other to ensure that the electric furnace has sufficient water source when working, avoiding dry burning and causing equipment damage, and the insulating layer protects the inside of the electric furnace to prevent leakage.

[0024] 3. In the utility model, the yellow phosphorus tail gas pipeline can transfer the heat carried by the yellow phosphorus tail gas to the refining pot, thereby reducing the energy consumption of the refining pot. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is an overall diagram of an energy-saving and environment-friendly yellow phosphorus production device proposed by the utility model.

[0026] Figure 2 The utility model provides a cross-sectional view of an energy-saving and environment-friendly yellow phosphorus production device.

[0027] Figure 3 This is the rear view of an energy-saving and environment-friendly yellow phosphorus production device proposed by the utility model.

[0028] Figure 4 The utility model provides a schematic diagram of a water pool of an energy-saving and environment-friendly yellow phosphorus production device.

[0029] Legend:

[0030] 1. Feeding port; 2. Electric furnace; 3. Electric furnace water pump; 4. Electric furnace water pipe; 5. Electric furnace support column; 6. Electric furnace steam pipe; 7. Electric furnace air pump; 8. Absorption tower; 9. Absorption tower support column; 10. Conveying trough; 11. Water pool; 12. Acid-base detector; 13. Placement frame; 14. Divider plate; 15. Drain pipe; 16. Refining pot; 17. Pure phosphorus pipeline; 18. Pure phosphorus suction pump; 19. Cooling tank; 20. Gas storage tank ; 21. Carbon monoxide air pump; 22. Alkaline purification tank; 23. Absorption tower air pump; 24. Crude phosphorus water pump; 25. Crude phosphorus pipeline; 26. Water pump; 27. Water spray pipe; 28. Yellow phosphorus tail gas pipeline; 29. ​​Three-phase electrode; 30. Packing layer; 31. Atomizing nozzle; 32. Agitator; 33. Carbon monoxide pipeline; 34. Condenser; 35. Filter; 36. Heater; 37. Temperature detector; 38. Insulation layer. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-4 The utility model provides an embodiment: an energy-saving and environment-friendly yellow phosphorus production device, comprising an electric furnace 2, a feed port 1 is installed in the middle position of the upper side wall of the electric furnace 2, electric furnace support columns 5 are installed at the four corners of the lower side wall of the electric furnace 2, an electric furnace steam pipe 6 is installed at the rear end position of the other side of the upper side wall of the electric furnace 2, and an electric furnace vacuum pump 7 is installed at the gas outlet of the electric furnace steam pipe 6. The electric furnace 2 heats quickly, has a high heating temperature, is easy to control the temperature, has high thermal efficiency, and is more environmentally friendly. An absorption tower 8 is installed on the rear side wall of the electric furnace vacuum pump 7, and the electric furnace vacuum pump 7 is located in the middle position of one side of the front side wall of the absorption tower 8, and a plurality of absorption tower support columns 9 are installed on the lower side wall of the absorption tower 8. The rear side wall of the absorption tower 8 is close to the lower end. A crude phosphorus pipeline 25 is installed at the side position, a crude phosphorus water pump 24 is installed at the discharge port of the crude phosphorus pipeline 25, a refining pot 16 is installed on the rear side wall of the crude phosphorus water pump 24, and the crude phosphorus water pump 24 is located in the middle position of the upper end of the front side wall of the refining pot 16, a pure phosphorus pipeline 17 is installed at the middle position of the lower end of the rear side wall of the refining pot 16, a pure phosphorus suction pump 18 is installed at the discharge port of the pure phosphorus pipeline 17, a cooling trough 19 is installed on the rear side wall of the pure phosphorus suction pump 18, and the pure phosphorus suction pump 18 is located in the middle position of the lower end of the front side wall of the cooling trough 19, an alkaline purification tank 22 is placed on the upper side wall of the cooling trough 19 near the front end, and the alkaline purification tank 22 can perform alkali washing and purification on the yellow phosphorus tail gas to purify pure carbon monoxide.

[0033] A gas storage tank 20 is placed on the upper side wall of the cooling tank 19 near the rear end, a carbon monoxide pipe 33 is installed on the side wall adjacent to the alkaline purification tank 22 and the gas storage tank 20 near the middle of the upper end, a carbon monoxide air pump 21 is installed at the gas outlet of the carbon monoxide pipe 33, and the gas storage tank 20 collects the purified carbon monoxide for subsequent use. A number of three-phase electrodes 29 are installed on the inner side of the other side wall of the electric furnace 2 near the lower end, an electric furnace water pipe 4 is installed on the front side wall of the electric furnace 2 near the middle of the upper end, an electric furnace water pump 3 is installed at the water inlet of the electric furnace water pipe 4, and the electric furnace water pump 3 is located in the middle of the front side wall of the electric furnace 2. The electric furnace water pipe 4 and the electric furnace water pump 3 are used in conjunction with each other to ensure that the electric furnace 2 has sufficient water source during operation to avoid dry burning and damage to the equipment. An insulating layer 38 is provided on the inner side wall of the electric furnace 2 to protect the inside of the electric furnace 2 to prevent leakage.

[0034] A conveying trough 10 is installed at the lower end of one side wall of the rear side wall of the electric furnace 2, and a water pool 11 is installed on the side of the conveying trough 10 away from the electric furnace 2. The inlet of the electric furnace water pipe 4 is installed at the middle position of the front side wall of the water pool 11. The water pool 11 collects and treats the wastewater generated during the processing of yellow phosphorus to facilitate subsequent use. A partition plate 14 is installed in the middle position of the inner wall of the water pool 11. The partition plate 14 can separate the phosphorus slag and the phosphorus mud to prevent mixing and increase the difficulty of subsequent treatment. A placement frame 13 is installed at the middle position of the upper end of one side wall of the water pool 11. The placement frame 13 can protect the acid-base detector 12 from falling. The acid-base detector 12 is arranged inside the placement frame 13. The acid-base detector 12 can accurately detect the liquid so as to reasonably add alkaline substances.

[0035] A packing layer 30 is installed at the upper end of the inner wall of the absorption tower 8, a water spray pipe 27 is installed at the middle position of the upper end of the rear side wall of the absorption tower 8, an atomizing nozzle 31 is installed at the water outlet of the water spray pipe 27, and the atomizing nozzle 31 is in the middle position above the packing layer 30 of the inner wall of the absorption tower 8, and a water pump 26 is installed in the middle position of the water spray pipe 27. The packing layer 30, the atomizing nozzle 31, the water spray pipe 27 and the water pump 26 are used in conjunction with each other to ensure that the yellow phosphorus gas can be quickly liquefied and improve efficiency. A yellow phosphorus tail gas pipeline 28 is installed, and one end of the yellow phosphorus tail gas pipeline 28 close to the air outlet is closely attached to the middle position of the upper side wall and the middle position of the rear side wall of the refining pot 16. An absorption tower air pump 23 is installed at the air outlet of the yellow phosphorus tail gas pipeline 28, and the absorption tower air pump 23 is installed in the middle position of the lower end of the front side wall of the alkaline purification tank 22. The yellow phosphorus tail gas pipeline 28 close to the air outlet One end is closely attached to the middle position of the upper side wall and the middle position of the rear side wall of the refining pot 16, which can transfer the heat carried by the yellow phosphorus tail gas to the refining pot 16, thereby reducing the energy consumption of the refining pot 16.

[0036] A filter screen 35 is installed at the lower end of the inner side wall of the refining pot 16. The filter screen 35 can separate the yellow phosphorus liquid and impurities to improve the purity of the yellow phosphorus. A heater 36 is installed at the middle position of the lower end of the inner side of the front side wall of the refining pot 16. A temperature detector 37 is installed at the middle position of the inner side of the front side wall of the refining pot 16. The heater 36 and the temperature detector 37 are used in conjunction to ensure the stability of the internal temperature of the refining pot 16. A stirrer 32 is installed at the middle position of the lower end surface of the upper side wall of the refining pot 16. The stirrer 32 can rotate and separate the yellow phosphorus and impurities. A sewage pipe 15 is installed at the lower position of the front end of one side wall of the refining pot 16, and the discharge port of the sewage pipe 15 is installed at the middle position of the rear side wall of the pool 11. The sewage pipe 15 sends phosphorus mud into the pool 11 to facilitate the subsequent collection and treatment of phosphorus mud. A condenser 34 is installed at the middle position of the lower end of the inner side of the rear side wall of the cooling tank 19. The condenser 34 accelerates the cooling of the yellow phosphorus liquid and improves work efficiency.

[0037] Working principle: When using the utility model, the yellow phosphorus mixture is put in from the feed port 1, and a proper amount of water is added to the electric furnace 2 through the electric furnace water pump 3 and the electric furnace water pipe 4. The yellow phosphorus mixture in the electric furnace 2 is heated by the three-phase electrode 29. After being heated to a certain temperature, the yellow phosphorus mixture is converted from solid to liquid, and then from liquid to gas. The yellow phosphorus gas flows from the electric furnace steam pipe 6 to the absorption tower 8, and the phosphorus slag in the electric furnace 2 flows to the water pool 11 through the conveying trough 10. According to the value of the acid-base detector 12, a proper amount of alkaline substance is added to the water pool 11 to neutralize the water quality to ensure the subsequent recycling of water. After the yellow phosphorus gas enters the absorption tower 8, it passes through the packing layer 30. There is an atomizing nozzle 31 on the packing layer 30 to spray out Water vapor, and a water film is formed on the packing layer 30. After the yellow phosphorus gas is cooled by the liquid, the yellow phosphorus is transformed from gas to liquid and adsorbed on the packing layer 30, continuously accumulating, and finally falling to the bottom of the tower. The unliquefied gas is sucked into the alkaline purification tank 22, and pure carbon monoxide is obtained after alkali washing, and it is sent to the gas storage tank 20 for storage for subsequent use. The liquid yellow phosphorus at the bottom of the tower flows into the refining pot 16 through the crude phosphorus water pump 24 for insulation, stirring and precipitation. After purification, the pure phosphorus is separated below the filter screen 35, and the phosphorus mud is separated above the filter screen 35. The pure phosphorus flows into the cooling tank 19 from the pure phosphorus pipeline 17, and is cooled by the condenser 34 to obtain solid yellow phosphorus. The phosphorus mud flows into the water tank from the sewage pipe.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An energy-saving and environment-friendly yellow phosphorus production device, comprising an electric furnace (2), characterized in that: A feed port (1) is installed in the middle of the upper side wall of the electric furnace (2); electric furnace support columns (5) are installed at the four corners of the lower side wall of the electric furnace (2); an electric furnace steam pipe (6) is installed at the rear end of the other side of the upper side wall of the electric furnace (2); an electric furnace vacuum pump (7) is installed at the gas outlet of the electric furnace steam pipe (6); an absorption tower (8) is installed on the rear side wall of the electric furnace vacuum pump (7), and the electric furnace vacuum pump (7) is located in the middle of one side of the front side wall of the absorption tower (8); a plurality of absorption tower support columns (9) are installed on the lower side wall of the absorption tower (8); a crude phosphorus pipe (25) is installed on one side of the rear side wall of the absorption tower (8); a crude phosphorus water pump (24) is installed at the discharge port of the crude phosphorus pipe (25); a refining pot (16) is installed on the rear side wall of the crude phosphorus water pump (24); and the crude phosphorus The water pump (24) is located at the middle position of the upper end of the front side wall of the refining pot (16); a pure phosphorus pipeline (17) is installed at the middle position of the lower end of the rear side wall of the refining pot (16); a pure phosphorus suction pump (18) is installed at the discharge port of the pure phosphorus pipeline (17); a cooling trough (19) is installed at the rear side wall of the pure phosphorus suction pump (18); and the pure phosphorus suction pump (18) is located at the middle position of the lower end of the front side wall of the cooling trough (19); an alkaline purification tank (22) is placed at the front end position of the upper side wall of the cooling trough (19); a gas storage tank (20) is placed at the rear end position of the upper side wall of the cooling trough (19); a carbon monoxide pipeline (33) is installed at the middle position of the upper end of a side wall adjacent to the alkaline purification tank (22) and the gas storage tank (20); and a carbon monoxide gas pump (21) is installed at the gas outlet of the carbon monoxide pipeline (33).

2. The energy-saving and environment-friendly yellow phosphorus production device according to claim 1, characterized in that: A plurality of three-phase electrodes (29) are installed on the inner side of the other side wall of the electric furnace (2) at a lower end position, an electric furnace water pipe (4) is installed on the front side wall of the electric furnace (2) at a middle position at the upper end, an electric furnace water pump (3) is installed at the water inlet of the electric furnace water pipe (4), and the electric furnace water pump (3) is located in the middle position of the front side wall of the electric furnace (2), and an insulating layer (38) is provided on the inner side wall of the electric furnace (2).

3. An energy-saving and environment-friendly yellow phosphorus production device according to claim 2, characterized in that: A conveying trough (10) is installed at the lower end of the rear side wall of the electric furnace (2), a water pool (11) is installed on the side of the conveying trough (10) away from the electric furnace (2), a feed inlet of the electric furnace water pipe (4) is installed at the middle position of the front side wall of the water pool (11), and a partition plate (14) is installed at the middle position of the inner side wall of the water pool (11).

4. The energy-saving and environment-friendly yellow phosphorus production device according to claim 3, characterized in that: A placement frame (13) is installed at the middle position of the upper end of one side wall of the water pool (11), and an acid-base detector (12) is arranged inside the placement frame (13).

5. The energy-saving and environment-friendly yellow phosphorus production device according to claim 1, characterized in that: A packing layer (30) is installed at the upper end of the inner wall of the absorption tower (8), a water spray pipe (27) is installed at the middle position of the upper end of the rear wall of the absorption tower (8), an atomizing nozzle (31) is installed at the water outlet of the water spray pipe (27), and the atomizing nozzle (31) is located at the middle position above the packing layer (30) on the inner wall of the absorption tower (8), and a water pump (26) is installed at the middle position of the water spray pipe (27).

6. The energy-saving and environment-friendly yellow phosphorus production device according to claim 1, characterized in that: A yellow phosphorus tail gas pipeline (28) is installed at the middle position of the upper side wall of the absorption tower (8), and one end of the yellow phosphorus tail gas pipeline (28) close to the gas outlet is closely attached to the middle position of the upper side wall and the middle position of the rear side wall of the refining pot (16). An absorption tower air pump (23) is installed at the gas outlet of the yellow phosphorus tail gas pipeline (28), and the absorption tower air pump (23) is installed at the middle position of the lower end of the front side wall of the alkaline purification tank (22).

7. The energy-saving and environment-friendly yellow phosphorus production device according to claim 1, characterized in that: A filter screen (35) is installed at the lower end of the inner side wall of the refining pot (16); a heater (36) is installed at the middle position of the lower end of the inner side of the front side wall of the refining pot (16); a temperature detector (37) is installed at the middle position of the inner side of the front side wall of the refining pot (16); an agitator (32) is installed at the middle position of the lower end surface of the upper side wall of the refining pot (16); a sewage pipe (15) is installed at the lower position of the front end of one side wall of the refining pot (16), and the discharge port of the sewage pipe (15) is installed at the middle position of the rear side wall of the water pool (11).

8. The energy-saving and environment-friendly yellow phosphorus production device according to claim 7, characterized in that: A condenser (34) is installed at a middle position of the lower end of the inner side of the rear side wall of the cooling tank (19).

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