Phosphorus melting tank

Abstract

The phosphorus melting tank comprises a tank box, a bottom inclined plate is arranged on the lower side wall of the tank box, a bottom sieve plate is fixedly connected to the position, close to the bottom, of the inner side wall of the tank box, and a plurality of heat conduction corrugated plates distributed in a linear array mode are arranged on the inner side wall of the tank box and located above the bottom sieve plate. A discharging sliding way is arranged between the bottom sieve plate and the bottom inclined plate, a discharging pipe is arranged in the middle of one side wall of the bottom inclined plate, and a pipeline heater is installed in the middle of the outer side wall of the discharging pipe. Heat transmitted by the hot steam feeding pipe and the plurality of feeding branch pipes is transmitted through the arranged heat-conducting corrugated plate, yellow phosphorus is laid on the heat-conducting corrugated plate, and the yellow phosphorus is separated by the heat-conducting corrugated plate, so that the yellow phosphorus is heated more uniformly, the yellow phosphorus heating area is increased by the wavy heat-conducting corrugated plate, and the yellow phosphorus heating efficiency is improved. And the yellow phosphorus melting speed can be increased, and insufficient melting of the yellow phosphorus accumulated inside is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of yellow phosphorus production and processing, in particular to a phosphorus melting tank. Background Art

[0002] In the production and processing of yellow phosphorus, the yellow phosphorus in the phosphorus melting cylinder needs to be added to the phosphorus melting tank, and hot steam is added to the phosphorus melting tank to melt the yellow phosphorus and provide raw materials for the chlorination process.

[0003] However, the bottom of the existing phosphorus melting tank is mostly a sieve plate, so that the molten yellow phosphorus enters the subsequent device through the sieve holes on the sieve plate. However, since solid yellow phosphorus is mostly in block form, when heated, the yellow phosphorus accumulates, resulting in uneven heating of the yellow phosphorus accumulated inside. Secondly, in the process of yellow phosphorus being output from the phosphorus melting tank, it is easy to solidify again after being cooled. Therefore, a person skilled in the art provides a phosphorus melting tank to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a phosphorus melting tank, which transfers heat transferred from a hot steam feed pipe and a plurality of feed branch pipes through a heat-conducting corrugated plate, and yellow phosphorus is laid on the heat-conducting corrugated plate. Since the heat-conducting corrugated plate separates the yellow phosphorus, the yellow phosphorus is heated more evenly. The wavy heat-conducting corrugated plate increases the heating area of ​​the yellow phosphorus, which can accelerate the melting speed of the yellow phosphorus and avoid the insufficient melting of the yellow phosphorus accumulated inside.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A phosphorus melting tank, comprising a tank box, wherein a bottom inclined plate is arranged on the lower side wall of the tank box, a bottom sieve plate is fixedly connected to the inner side wall of the tank box near the bottom, a plurality of heat-conducting corrugated plates distributed in a linear array are arranged on the inner side wall of the tank box and above the bottom sieve plate, a discharge chute is arranged between the bottom sieve plate and the bottom inclined plate, a discharge pipe is arranged in the middle of one side wall of the bottom inclined plate, and a pipeline heater is installed in the middle of the outer side wall of the discharge pipe;

[0007] Through the above technical solution, the heat transferred from the hot steam feed pipe and the plurality of feed branch pipes is transferred through the provided heat-conducting corrugated plate, and the yellow phosphorus is laid on the heat-conducting corrugated plate. Since the heat-conducting corrugated plate separates the yellow phosphorus, the yellow phosphorus is heated more evenly. The wavy heat-conducting corrugated plate increases the heating area of ​​the yellow phosphorus, which can accelerate the melting speed of the yellow phosphorus and avoid insufficient melting of the yellow phosphorus accumulated inside.

[0008] Furthermore, a connection seat is fixedly connected to the top of the outer side wall of the tank box, and a rubber sealing ring is fixedly connected to the middle position of the upper side wall of the connection seat;

[0009] Through the above technical solution, the top cover is placed using the connecting seat.

[0010] Furthermore, a top cover is placed on the connecting seat, and a sealing groove is provided in the middle of the lower side wall of the top cover, and the sealing groove is used in conjunction with a rubber sealing ring;

[0011] Through the above technical solution, the provided rubber sealing ring cooperates with the sealing groove to avoid leakage of toxic gases.

[0012] Furthermore, lifting ears are fixedly connected to the middle positions of both sides of the upper side wall of the top cover;

[0013] Through the above technical solution, the top cover can be lifted by the lifting lugs, making it convenient to place the molten phosphorus barrel into the yellow phosphorus tank.

[0014] Furthermore, an exhaust pipe is fixedly connected to the middle position of the upper side wall of the top cover, and an air intake fan is installed at the bottom of the inner side wall of the exhaust pipe;

[0015] Through the above technical solution, the suction fan can suck out the toxic gas generated in the yellow phosphorus tank during the heating process and then discharge it.

[0016] Furthermore, a hot steam feed pipe is connected through one side of the front side wall of the tank box, and a plurality of feed branch pipes distributed in a linear array are connected through the rear side of the pipe wall of the hot steam feed pipe, and the other ends of the plurality of feed branch pipes pass through the front side wall of the tank box;

[0017] Through the above technical solution, the yellow phosphorus is heated by transmitting steam through the hot steam feed pipe and a plurality of feed branch pipes.

[0018] Furthermore, support legs are welded at the four corners of the outer wall of the tank box near the bottom;

[0019] Through the above technical solution, the phosphorus melting tank is supported by the supporting legs, providing space for the discharge of the yellow phosphorus solution.

[0020] Furthermore, an electric valve is installed on the output end of the discharge pipe;

[0021] Through the above technical solution, the yellow phosphorus solution is controlled to be on and off by the electric valve.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the heat transferred from the hot steam feed pipe and the plurality of feed branch pipes is transferred by the heat-conducting corrugated plate, and the yellow phosphorus is laid on the heat-conducting corrugated plate. Since the heat-conducting corrugated plate separates the yellow phosphorus, the yellow phosphorus is heated more evenly. The wavy heat-conducting corrugated plate increases the heating area of ​​the yellow phosphorus, which can accelerate the melting speed of the yellow phosphorus and avoid the insufficient melting of the yellow phosphorus accumulated inside.

[0024] 2. In the utility model, after the yellow phosphorus is melted, it slides out through the discharging chute and is discharged from the molten phosphorus tank through the discharging pipe. The pipeline heater installed outside the discharging pipe can heat the discharging pipe, thereby preventing the yellow phosphorus solution from solidifying again after being cooled during the discharging process.

[0025] 3. In the utility model, during the heating process, the suction fan can suck out the toxic gas generated in the yellow phosphorus tank and then discharge it, and the rubber sealing ring is matched with the sealing groove to avoid leakage of toxic gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A stereoscopic diagram of a phosphorus melting tank proposed by the utility model;

[0027] Figure 2 This is an isometric view of a phosphorus melting tank proposed in the utility model;

[0028] Figure 3 This is a schematic diagram of removing the top cover of a phosphorus melting tank proposed by the utility model;

[0029] Figure 4 The utility model is a cross-sectional view of a phosphorus melting tank.

[0030] Legend:

[0031] 1. Trough box; 2. Top cover; 3. Exhaust pipe; 4. Lifting ear; 5. Discharge pipe; 6. Pipe heater; 7. Electric valve; 8. Hot steam feed pipe; 9. Feed branch pipe; 10. Support foot; 11. Heat-conducting corrugated plate; 12. Connecting seat; 13. Rubber sealing ring; 14. Bottom sieve plate; 15. Discharge slide; 16. Bottom inclined plate; 17. Sealing groove; 18. Suction fan. DETAILED DESCRIPTION

[0032] 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.

[0033] Reference Figure 1-4The utility model provides an embodiment: a phosphorus melting tank, including a tank box 1, a bottom inclined plate 16 is arranged on the lower side wall of the tank box 1, a bottom sieve plate 14 is fixedly connected to the inner side wall of the tank box 1 near the bottom position, a plurality of heat-conducting corrugated plates 11 distributed in a linear array are arranged on the inner side wall of the tank box 1 and above the bottom sieve plate 14, a discharging chute 15 is arranged between the bottom sieve plate 14 and the bottom inclined plate 16, a discharge pipe 5 is arranged in the middle position of one side wall of the bottom inclined plate 16, a pipeline heater 6 is installed in the middle position of the outer side wall of the discharge pipe 5, the heat transferred by the hot steam feed pipe 8 and the plurality of feed branch pipes 9 is transferred through the arranged heat-conducting corrugated plate 11, and the yellow phosphorus is laid on the heat-conducting corrugated plate 11, and because the heat-conducting corrugated plate 11 separates the yellow phosphorus, the yellow phosphorus is heated more evenly, and the wavy heat-conducting corrugated plate 11 increases the heating area of ​​the yellow phosphorus, which can accelerate the melting speed of the yellow phosphorus and avoid the insufficient melting of the yellow phosphorus accumulated inside.

[0034] The outer wall of the tank box 1 is fixedly connected with a connecting seat 12 at the top position, and a rubber sealing ring 13 is fixedly connected to the middle position of the upper side wall of the connecting seat 12. The top cover 2 is placed by the connecting seat 12, and the top cover 2 is placed on the connecting seat 12. A sealing groove 17 is opened in the middle position of the lower side wall of the top cover 2. The sealing groove 17 is used in conjunction with the rubber sealing ring 13. The rubber sealing ring 13 is arranged to cooperate with the sealing groove 17 to avoid leakage of toxic gases. Lifting ears 4 are fixedly connected to the middle positions on both sides of the upper side wall of the top cover 2. The top cover can be lifted by the lifting ears 4, so that the molten phosphorus barrel can be conveniently placed in the yellow phosphorus tank. An exhaust pipe 3 is fixedly connected to the middle position of the upper side wall of the top cover 2, and an air suction fan 18 is installed at the bottom of the inner side wall of the exhaust pipe 3. During the heating process, the air suction fan 18 can suck out the toxic gas generated in the yellow phosphorus tank and discharge it.

[0035] A hot steam feed pipe 8 is connected through one side of the front side wall of the tank box 1, and a plurality of feed branch pipes 9 distributed in a linear array are connected through the rear side of the pipe wall of the hot steam feed pipe 8. The other ends of the plurality of feed branch pipes 9 pass through the front side wall of the tank box 1. The hot steam feed pipe 8 and the plurality of feed branch pipes 9 transfer steam to heat the yellow phosphorus. Support legs 10 are welded to the four corners of the bottom of the outer side wall of the tank box 1. The support legs 10 support the phosphorus melting tank to provide space for the discharge of the yellow phosphorus solution. An electric valve 7 is installed on the output end of the discharge pipe 5 to control the on and off of the yellow phosphorus solution.

[0036] Working principle: The heat transferred from the hot steam feed pipe 8 and the plurality of feed branch pipes 9 is transferred through the heat-conducting corrugated plate 11, and the yellow phosphorus is laid on the heat-conducting corrugated plate 11. Since the heat-conducting corrugated plate 11 separates the yellow phosphorus, the yellow phosphorus is heated more evenly. The wavy heat-conducting corrugated plate 11 increases the heating area of ​​the yellow phosphorus, which can accelerate the melting speed of the yellow phosphorus and avoid the insufficient melting of the yellow phosphorus accumulated inside. When the yellow phosphorus is melted, it slides out through the discharge chute 15 and is discharged from the phosphorus melting tank through the discharge pipe 5. The pipeline heater 6 installed outside the discharge pipe 5 can heat the discharge pipe 5 to avoid the yellow phosphorus solution from solidifying again after being cooled during the discharge process. During the heating process, the suction fan 18 can suck out the toxic gas generated in the yellow phosphorus tank and discharge it. The rubber sealing ring 13 cooperates with the sealing groove 17 to avoid the leakage of toxic gas.

[0037] 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. A phosphorus melting tank, comprising a tank box (1), characterized in that: The lower side wall of the tank box (1) is provided with a bottom inclined plate (16), the inner side wall of the tank box (1) is fixedly connected with a bottom screen plate (14) at the bottom position, the inner side wall of the tank box (1) and above the bottom screen plate (14) are provided with a plurality of heat-conducting corrugated plates (11) distributed in a linear array, a discharge chute (15) is provided between the bottom screen plate (14) and the bottom inclined plate (16), a discharge pipe (5) is provided in the middle position of one side wall of the bottom inclined plate (16), and a pipeline heater (6) is installed in the middle position of the outer side wall of the discharge pipe (5).

2. A phosphorus melting tank according to claim 1, characterized in that: A connection seat (12) is fixedly connected to the top of the outer side wall of the tank box (1), and a rubber sealing ring (13) is fixedly connected to the middle of the upper side wall of the connection seat (12).

3. A phosphorus melting tank according to claim 2, characterized in that: A top cover (2) is placed on the connection seat (12), a sealing groove (17) is provided in the middle of the lower side wall of the top cover (2), and the sealing groove (17) is used in conjunction with a rubber sealing ring (13).

4. A phosphorus melting tank according to claim 3, characterized in that: Lifting ears (4) are fixedly connected to the middle positions of both sides of the upper side wall of the top cover (2).

5. A phosphorus melting tank according to claim 3, characterized in that: An exhaust pipe (3) is fixedly connected to the middle position of the upper side wall of the top cover (2), and an air intake fan (18) is installed at the bottom of the inner side wall of the exhaust pipe (3).

6. A phosphorus melting tank according to claim 1, characterized in that: A hot steam feed pipe (8) is connected through one side of the front side wall of the tank box (1), and a plurality of feed branch pipes (9) distributed in a linear array are connected through the rear side of the wall of the hot steam feed pipe (8), and the other ends of the plurality of feed branch pipes (9) pass through the front side wall of the tank box (1).

7. The phosphorus melting tank according to claim 1, characterized in that: Support legs (10) are welded at the four corners of the outer wall of the tank box (1) near the bottom.

8. The phosphorus melting tank according to claim 1, characterized in that: An electric valve (7) is installed on the output end of the discharge pipe (5).

Images