Efficient washing device for yellow phosphorus tail gas

Abstract

The utility model discloses an efficient washing device for yellow phosphorus tail gas, and relates to the technical field of tail gas washing devices, the efficient washing device comprises a main body, the bottom end of the main body is fixedly connected with three groups of support columns I, the outer wall of the left end of the main body is fixedly connected with a gas inlet pipe, and a control valve is fixedly mounted in the gas inlet pipe; and a storage box is arranged at the rear end of the main body. Under the combined action of a water pumping pipe, a first water pump, a water supply pipe, a fixing pipe, an annular communicating pipe and a spraying head, tail gas can be washed in an all-dimensional and dead-corner-free mode in the using process, and under the combined action of a water outlet pipe, a filter box, a first filter screen, a second filter screen and a second water pump, the tail gas can be washed in an all-dimensional and dead-corner-free mode. And through the combined action of the gas feeding pipe, the processing box, the first activated carbon layer, the zeolite molecular sieve layer, the second activated carbon layer and the exhaust pipe, the yellow phosphorus tail gas can be purified more thoroughly.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas washing devices, in particular to a high-efficiency washing device for yellow phosphorus tail gas. Background Art

[0002] Yellow phosphorus tail gas refers to the gas produced after yellow phosphorus burns and oxidizes in the air. Its main components are harmful gases such as nitric oxide, nitrogen dioxide, and carbon monoxide, which are harmful to both the human body and the environment. The harm of yellow phosphorus tail gas is mainly manifested in damage to the respiratory system, cardiovascular system, and nervous system, and long-term exposure may also cause cancer. Therefore, when treating waste gas containing yellow phosphorus, it is necessary to use an efficient washing device to purify it, thereby reducing the harm of the tail gas to the environment and the human body. The following problems exist in the existing technology:

[0003] For example, a Chinese patent for an exhaust gas washing device (publication number CN109453590A, application date 2018.12.29) discloses that it includes a dust scrubber, a washing liquid circulation tank and a process condensate storage tank, an exhaust gas outlet is arranged at the top of the dust scrubber, and a liquid outlet connected to the washing liquid circulation tank is arranged at the bottom, and a demister layer and a packing layer are arranged in sequence from top to bottom along the dust scrubber, and a gas inlet is arranged below the packing layer on the dust scrubber; the demister layer is composed of an upper and a lower layer, and a gas inlet connected to the process condensate storage tank is arranged below the upper and lower demister layers. The upper flushing nozzles are connected, and the lower flushing nozzles are arranged above the lower demister layer and the packing layer; the lower flushing nozzle located above the lower demister layer is connected to the process condensate storage tank, and the lower flushing nozzle located above the packing layer is connected to the washing liquid circulation tank through a circulation pump; an absorption layer is arranged above the packing layer, and three layers of water curtain absorption distribution plates are arranged inside the scrubber, and the absorption layer and the water curtain absorption distribution plate are both composed of absorption units, and the absorption unit is composed of a support frame and a regular wire mesh layer located on the support frame, and the absorption units on adjacent water curtain absorption distribution plates are staggered. Similar structural designs cannot reuse the washed liquid during use, which makes the processing cost high, and secondly, the washed tail gas cannot be further filtered, which easily causes the discharged tail gas to still pollute the environment. Utility Model Content

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A high-efficiency yellow phosphorus tail gas washing device comprises a main body, the bottom end of the main body is fixedly connected to three groups of support columns one, the left end outer wall of the main body is fixedly connected to an air intake pipe, the interior of the air intake pipe is fixedly installed with a control valve, the rear end of the main body is provided with a storage box, the bottom end of the storage box is fixedly connected to three groups of support columns two, the upper end of the storage box is plugged with a suction pipe, the lower end of the main body is fixedly connected to a water outlet pipe, one end of the water outlet pipe is fixedly connected to a filter box, the upper end of the filter box is movably connected to a box door, the front end of the main body is provided with a processing box, the top end of the processing box is fixedly connected to an exhaust pipe, the bottom end of the processing box is fixedly connected to three groups of support columns three, and the surface of the main body is fixedly installed with a control panel.

[0006] A further improvement of the technical solution of the utility model is that a first water pump is arranged at the front end of the storage box, one end of the water pumping pipe is fixedly connected to the input end of the first water pump, and the output end of the first water pump is fixedly connected to a water supply pipe.

[0007] A further improvement of the technical solution of the utility model is that one end of the water supply pipe is fixedly connected to a fixed pipe, both ends of the fixed pipe are respectively fixedly connected to the upper inner wall of the main body, the outer side of the fixed pipe is fixedly connected to three groups of annular connecting pipes, and the lower end of the annular connecting pipe is fixedly connected to multiple groups of sprinkler heads.

[0008] A further improvement of the technical solution of the utility model is that: two groups of sealing grooves are opened on the inner wall of the filter box, a first filter screen is arranged inside the filter box, a first block is fixedly connected to the outer side of the first filter screen, a second filter screen is arranged at the rear end of the first filter screen, and a second block is fixedly connected to the outer side of the second filter screen.

[0009] A further improvement of the technical solution of the utility model is that: the inner wall of the sealing slot is provided with a rubber layer, and the first filter screen and the second filter screen are respectively inserted into the sealing slot through a first clamping block and a second clamping block.

[0010] A further improvement of the technical solution of the utility model is that a second water pump is arranged at the rear end of the filter box, a pipeline at the rear end of the filter box is fixedly connected to the input end of the second water pump, an output end of the second water pump is fixedly connected to a connecting pipe, one end of the connecting pipe is arranged through the outer wall of the storage box.

[0011] A further improvement of the technical solution of the utility model is that a first activated carbon layer is fixedly connected to the inner wall of the processing box, a zeolite molecular sieve layer is arranged on the upper end of the first activated carbon layer, and a second activated carbon layer is arranged on the upper end of the zeolite molecular sieve layer.

[0012] A further improvement of the technical solution of the utility model is that: an air supply pipe is fixedly connected to the lower end of the processing box, and one end of the air supply pipe is penetrated and arranged on the outer wall of the main body.

[0013] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0014] 1. The utility model provides a yellow phosphorus tail gas high-efficiency washing device, through the joint action of the water pump, the first water pump, the water delivery pipe, the fixed pipe, the annular connecting pipe and the spray head, so that the tail gas can be washed in all directions without dead angles when in use, thereby increasing the contact reaction between the washing liquid and the tail gas and improving the washing efficiency.

[0015] 2. The utility model provides a high-efficiency yellow phosphorus tail gas washing device. Through the joint action of a water outlet pipe, a filter box, a first filter screen, a second filter screen and a second water pump, the washing liquid sprayed out and reacting with the tail gas can be recycled, thereby improving the practicality of the washing liquid and avoiding the waste of resources, thereby increasing the cost of treating the tail gas.

[0016] 3. The utility model provides a yellow phosphorus tail gas high-efficiency washing device, which facilitates the more thorough purification of the yellow phosphorus tail gas and ensures the quality of purification through the joint action of the air delivery pipe, the processing box, the first activated carbon layer, the zeolite molecular sieve layer, the second activated carbon layer and the exhaust pipe, thereby achieving high-efficiency purification of the yellow phosphorus tail gas and reducing environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the yellow phosphorus tail gas high-efficiency washing device of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the spray device of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the filter box of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure inside the processing box of the utility model.

[0021] In the figure: 1. main body; 2. support column one; 3. air inlet pipe; 4. control valve; 5. storage box; 6. support column two; 7. water pumping pipe; 8. first water pump; 9. water supply pipe; 10. fixed pipe; 11. annular connecting pipe; 12. sprinkler head; 13. water outlet pipe; 14. filter box; 15. sealing card slot; 16. first filter screen; 17. first card block; 18. second filter screen; 19. second card block; 20. second water pump; 21. connecting pipe; 22. box door; 23. air supply pipe; 24. processing box; 25. first activated carbon layer; 26. zeolite molecular sieve layer; 27. second activated carbon layer; 28. exhaust pipe; 29. ​​support column three; 30. control panel. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with the implementation modes:

[0023] like Figure 1 As shown, the utility model provides a yellow phosphorus tail gas efficient washing device, including a main body 1, the bottom end of the main body 1 is fixedly connected with three groups of support columns 2, the left end outer wall of the main body 1 is fixedly connected with an air intake pipe 3, the inside of the air intake pipe 3 is fixedly installed with a control valve 4, the rear end of the main body 1 is provided with a storage box 5, the bottom end of the storage box 5 is fixedly connected with three groups of support columns 6, the upper end of the storage box 5 is plugged with a pumping pipe 7, the lower end of the main body 1 is fixedly connected with a water outlet pipe 13, one end of the water outlet pipe 13 is fixedly connected with a filter box 14, the upper end of the filter box 14 is movably connected with a box door 22, the front end of the main body 1 is provided with a processing box 24, the top of the processing box 24 is fixedly connected with an exhaust pipe 28, the bottom end of the processing box 24 is fixedly connected with three groups of support columns 3 29, and the surface of the main body 1 is fixedly installed with a control panel 30.

[0024] like Figure 2 As shown, the utility model provides a technical solution: preferably, a first water pump 8 is provided at the front end of the storage box 5, one end of the water pumping pipe 7 is fixedly connected to the input end of the first water pump 8, the output end of the first water pump 8 is fixedly connected to a water supply pipe 9, one end of the water supply pipe 9 is fixedly connected to a fixed pipe 10, both ends of the fixed pipe 10 are respectively fixedly connected to the upper inner wall of the main body 1, three groups of annular connecting pipes 11 are fixedly connected to the outer side of the fixed pipe 10, and a plurality of groups of spray heads 12 are fixedly connected to the lower end of the annular connecting pipe 11, which can wash the exhaust gas in all directions without dead angles, thereby increasing the contact reaction between the washing liquid and the exhaust gas and improving the washing efficiency.

[0025] like Figure 3As shown, the utility model provides a technical solution: preferably, two groups of sealing grooves 15 are opened on the inner wall of the filter box 14, a first filter screen 16 is arranged inside the filter box 14, a first block 17 is fixedly connected to the outer side of the first filter screen 16, a second filter screen 18 is arranged at the rear end of the first filter screen 16, a second block 19 is fixedly connected to the outer side of the second filter screen 18, the reaction particles mixed inside are filtered and removed, so that the washing liquid can be recycled, the inner wall of the sealing groove 15 is provided with a rubber layer, the first filter screen 16 and the second filter screen 18 are respectively plugged into the sealing groove 15 through the first block 17 and the second block 19, after the washing process is completed, the first filter screen 16 and the second filter screen 18 are taken out of the filter box 14, so that the first filter screen 16 and the second filter screen 18 can be cleaned conveniently and the substances produced by the reaction can also be collected.

[0026] A second water pump 20 is provided at the rear end of the filter box 14. The pipeline at the rear end of the filter box 14 is fixedly connected to the input end of the second water pump 20. The output end of the second water pump 20 is fixedly connected to a connecting pipe 21. One end of the connecting pipe 21 penetrates the outer wall of the storage box 5, and the washing liquid sprayed out and reacted with the exhaust gas is recycled to improve the practicality of the washing liquid.

[0027] like Figure 4 As shown, the utility model provides a technical solution: preferably, the inner wall of the processing box 24 is fixedly connected with a first activated carbon layer 25, and the upper end of the first activated carbon layer 25 is provided with a zeolite molecular sieve layer 26, which can effectively remove particulate matter in the exhaust gas, further reducing the pollution degree of the exhaust gas, and the upper end of the zeolite molecular sieve layer 26 is provided with a second activated carbon layer 27. The strong adsorption capacity of activated carbon can effectively adsorb harmful substances in the exhaust gas, and the lower end of the processing box 24 is fixedly connected with an air supply pipe 23, and one end of the air supply pipe 23 is penetrated through the outer wall of the main body 1.

[0028] The following is a detailed description of the working principle of the yellow phosphorus tail gas high-efficiency washing device.

[0029] like Figure 1-4As shown, when this yellow phosphorus tail gas high-efficiency washing device is in use, the tail gas is transported to the washing device through the air inlet pipe 3, and the washing liquid in the storage box 5 is transported from the water pump 7 to the water delivery pipe 9 by using the first water pump 8, and the washing liquid is sent to the fixed pipe 10 arranged inside the main body 1, and then dispersed to the annular connecting pipe 11, and the tail gas inside the device is sprayed and washed by the spray head 12, so as to facilitate the washing and purification of the yellow phosphorus tail gas, speed up the washing efficiency of the tail gas, and thus increase the convenience of the device, and the washing liquid after the contact reaction with the tail gas is transported to the filter box 14 through the outlet pipe 13, and is fully filtered by the first filter screen 16 and the second filter screen 18, and the reaction particles mixed inside are filtered and removed, so that the washing liquid can be recycled, thereby reducing the cost of treatment, and secondly, because the first filter screen 16 and the second filter screen 18 are both passed through the first block 17 and the second block 19 is connected with the two sets of sealing slots 15 and installed inside the filter box 14, so that after the washing process is completed, the first filter screen 16 and the second filter screen 18 can be taken out from the filter box 14, which is convenient for cleaning the first filter screen 16 and the second filter screen 18, and the substances produced by the reaction can also be collected, thereby increasing the practicality of the device. The washed exhaust gas is transported to the processing box 24 through the air supply pipe 23, and is filtered and purified again through the first activated carbon layer 25, the zeolite molecular sieve layer 26 and the second activated carbon layer 27 in turn. Since the activated carbon has a strong adsorption capacity, it can effectively adsorb harmful substances in the exhaust gas, and the zeolite molecular sieve layer 26 can effectively remove particulate matter in the exhaust gas, further reducing the pollution degree of the exhaust gas, thereby ensuring that the exhaust gas achieves a higher purification effect. At the same time, the purified exhaust gas is discharged through the exhaust pipe 28, thereby increasing the convenience and safety of the device.

[0030] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A yellow phosphorus tail gas high-efficiency scrubbing device, comprising a main body (1), characterized in that: The bottom end of the main body (1) is fixedly connected to three groups of support columns (1) (2); the left end outer wall of the main body (1) is fixedly connected to an air intake pipe (3); a control valve (4) is fixedly installed inside the air intake pipe (3); a storage box (5) is arranged at the rear end of the main body (1); the bottom end of the storage box (5) is fixedly connected to three groups of support columns (2) (6); the upper end of the storage box (5) is plugged with a water suction pipe (7); the lower end of the main body (1) is fixedly connected to a water outlet pipe (13); one end of the water outlet pipe (13) is fixedly connected to a filter box (14); the upper end of the filter box (14) is movably connected to a box door (22); the front end of the main body (1) is provided with a processing box (24); the top end of the processing box (24) is fixedly connected to an exhaust pipe (28); the bottom end of the processing box (24) is fixedly connected to three groups of support columns (3) (29); and a control panel (30) is fixedly installed on the surface of the main body (1).

2. A yellow phosphorus tail gas efficient washing device according to claim 1, characterized in that: A first water pump (8) is provided at the front end of the storage box (5), one end of the water pumping pipe (7) is fixedly connected to the input end of the first water pump (8), and the output end of the first water pump (8) is fixedly connected to a water supply pipe (9).

3. A yellow phosphorus tail gas efficient washing device according to claim 2, characterized in that: One end of the water supply pipe (9) is fixedly connected to a fixed pipe (10), both ends of the fixed pipe (10) are respectively fixedly connected to the upper inner wall of the main body (1), the outer side of the fixed pipe (10) is fixedly connected to three groups of annular connecting pipes (11), and the lower end of the annular connecting pipe (11) is fixedly connected to multiple groups of spray heads (12).

4. The yellow phosphorus tail gas efficient washing device according to claim 1 is characterized in that: The inner wall of the filter box (14) is provided with two groups of sealing grooves (15); a first filter screen (16) is arranged inside the filter box (14); a first clamping block (17) is fixedly connected to the outer side of the first filter screen (16); a second filter screen (18) is arranged at the rear end of the first filter screen (16); a second clamping block (19) is fixedly connected to the outer side of the second filter screen (18).

5. A yellow phosphorus tail gas efficient washing device according to claim 4, characterized in that: The inner wall of the sealing slot (15) is provided with a rubber layer, and the first filter screen (16) and the second filter screen (18) are respectively inserted into the sealing slot (15) through a first clamping block (17) and a second clamping block (19).

6. The yellow phosphorus tail gas efficient scrubbing device according to claim 1 is characterized in that: A second water pump (20) is provided at the rear end of the filter box (14); a pipeline at the rear end of the filter box (14) is fixedly connected to an input end of the second water pump (20); an output end of the second water pump (20) is fixedly connected to a connecting pipe (21); one end of the connecting pipe (21) is arranged to penetrate the outer wall of the storage box (5).

7. The yellow phosphorus tail gas efficient scrubbing device according to claim 1 is characterized in that: A first activated carbon layer (25) is fixedly connected to the inner wall of the processing box (24), a zeolite molecular sieve layer (26) is arranged on the upper end of the first activated carbon layer (25), and a second activated carbon layer (27) is arranged on the upper end of the zeolite molecular sieve layer (26).

8. The yellow phosphorus tail gas efficient scrubbing device according to claim 7 is characterized in that: The lower end of the processing box (24) is fixedly connected to an air supply pipe (23), and one end of the air supply pipe (23) is arranged to penetrate the outer wall of the main body (1).

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