Yellow phosphorus tail gas purification device

Abstract

The utility model discloses a yellow phosphorus tail gas purification device, which relates to the technical field of tail gas purification, and comprises a filter box, the left end of the filter box is fixedly provided with a communicated gas inlet pipe, the middle part of the right end of the filter box is fixedly provided with a communicated air duct, and the two sides of the right end of the filter box are symmetrically and fixedly connected with mounting blocks; and a spraying box is fixedly mounted on the right sides of the mounting block and the air duct. Large solid particles in tail gas entering the filter box can be filtered and adsorbed through the filter screen, and then filtered yellow phosphorus tail gas enters the spraying box, so that washing liquid in the liquid box can be pumped by the liquid pump, conveyed into the flow dividing pipe through the guide pipe and sprayed out through the spray head, and the yellow phosphorus tail gas is sprayed out through the spray head. According to the tail gas purification device, the atomized washing liquid makes contact with tail gas, washing liquid water mist makes contact with fine particles in the tail gas in a wrapping mode, the fine particles fall off under the influence of gravity, then the tail gas is further filtered and purified, and the situation that the tail gas is directly discharged and pollutes the environment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas purification technical field, concretely relates to a yellow phosphorus tail gas purification device. BACKGROUND

[0002] Yellow phosphorus is an important basic industrial raw material, has the important position in national economy, is widely used in pesticide, fuel, food, spice, fertilizer, medical reagent, fireproof agent etc. field, its compound can be used as tracer bullet, fire bomb, smoke bomb, is indispensable material of national defense industry, but yellow phosphorus produces tail gas containing a large number of harmful gas inside in the production process, therefore needs to handle tail gas.

[0003] But the existing processing mode is generally directly igniting tail gas, and combustible tail gas such as carbon monoxide, hydrogen is burned into nontoxic carbon dioxide and water vapor, reduces the pollution to environment, but causes the loss of resources, and non-combustible tail gas and solid particle discharge to atmosphere can pollute the environment. UTILITY MODEL CONTENT

[0004] To solve the above technical problem, the technical scheme adopted by the utility model is:

[0005] A yellow phosphorus tail gas purification device, including filter case, the left end of filter case is fixed with the inlet pipe that communicates, the right end middle part of filter case is fixed with the wind tube that communicates, both sides of the right end of filter case are fixedly connected with the mounting block that is symmetrical, the right side of mounting block and wind tube is fixedly installed with the spray tank, the inside of filter case and spray tank is equipped with purification mechanism, the right side of spray tank is equipped with reaction tank, the inside of reaction tank is equipped with processing mechanism, the right end of spray tank is fixed with the fan that communicates, the right end of fan is fixedly connected with the gas pipe that communicates,

[0006] The purification mechanism includes a slide rod, the both ends of the slide rod are fixedly connected with the both sides of the inside of the filter case, a filter screen is slidably connected to the outside of the slide rod, a return spring is sleeved to the left end of the slide rod, a dust discharge groove is formed through the lower end of the filter case, a motor is fixed to one side of the upper end of the filter case, a transmission rod is transmissionally installed at the output end of the motor, and three sets of cams are fixedly sleeved to the outside of the transmission rod.

[0007] Preferably, a triangular seat is fixedly installed at the rear end of the spray tank, a liquid tank is fixedly connected to the upper end of the triangular seat, a liquid pump is fixedly connected to the upper end of the liquid tank in communication, a hanging rod is fixedly connected to the inner wall of the upper end of the spray tank, a shunt pipe is fixedly installed at the lower end of the hanging rod, a plurality of spray heads are fixedly connected to the lower end of the shunt pipe in communication, and the liquid pump is fixedly connected to the upper end of the conduit in communication.

[0008] Preferably, two ends of the reset spring are fixedly connected with opposite surfaces of the filter box and the filter screen respectively, and the convex part of the cam is in contact with the right side of the filter screen.

[0009] Preferably, the shunt pipe is circular, the spray heads are equidistantly distributed on the shunt pipe, and the conduit is fixedly connected with the upper rear side of the shunt pipe and communicates with the spray tank.

[0010] Preferably, the treatment mechanism comprises a liquid inlet pipe, the lower end of the liquid inlet pipe is fixedly connected with the upper end of the reaction tank and communicates with the reaction tank, a sealing cover is threadedly installed on the upper end of the liquid inlet pipe, a sealing gasket is glued to the inner side of the sealing cover, an exhaust pipe is fixedly arranged at the right end of the reaction tank and communicates with the reaction tank, and a control valve is fixedly arranged on the exhaust pipe.

[0011] Preferably, the lower end of the sealing gasket is in close contact with the top of the liquid inlet pipe and is movably connected with the liquid inlet pipe.

[0012] Preferably, a fan is fixedly arranged in the air duct, an ash discharge frame is fixedly arranged at the lower end of the filter box and communicates with the filter box, a closing plate is movably inserted into the ash discharge frame, a first liquid discharge pipe is fixedly arranged at the lower end of the spray tank and communicates with the spray tank, and a second liquid discharge pipe is fixedly arranged at the lower end of the reaction tank and communicates with the reaction tank.

[0013] Preferably, copper sulfate solution is added into the reaction tank, the air duct communicates with the spray tank, the ash discharge frame communicates with the filter box through an ash discharge groove, and the right end of the gas conveying pipe is fixedly connected with the left end of the reaction tank and communicates with the reaction tank.

[0014] Compared with the prior art, the device has the following beneficial effects:

[0015] The device can filter and purify the yellow phosphorus tail gas, avoids direct emission and pollution of the environment, and has the advantages of simple structure, convenient use, high efficiency and the like.

[0016] The device can filter and purify the yellow phosphorus tail gas, avoids direct emission and pollution of the environment, and has the advantages of simple structure, convenient use, high efficiency and the like. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the yellow phosphorus tail gas purification device of this utility model;

[0018] Figure 2 This is a structural schematic diagram showing the details of the yellow phosphorus tail gas purification device of this utility model.

[0019] Figure 3 This is a schematic diagram of the purification mechanism of this utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the spray box of this utility model;

[0021] Figure 5 This is a schematic diagram of the processing mechanism of this utility model.

[0022] In the diagram: 1. Filter box; 2. Air inlet pipe; 3. Air duct; 4. Mounting block; 5. Spray box; 6. Purification mechanism; 7. Reaction tank; 8. Processing mechanism; 9. Gas supply pipe; 10. Fan; 11. Ash discharge frame; 12. Sealing plate; 13. Drain pipe one; 14. Drain pipe two; 31. Fan; 61. Sliding rod; 62. Filter screen; 63. Return spring; 64. Ash discharge trough; 65. Motor; 66. Transmission rod; 67. Cam; 68. Triangular seat; 69. Liquid tank; 610. Liquid pump; 611. Hanging rod; 612. Diverter pipe; 613. Nozzle; 614. Conduit; 81. Liquid inlet pipe; 82. Sealing cover; 83. Sealing gasket; 84. Exhaust pipe; 85. Control valve. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to embodiments:

[0024] like Figures 1-5 As shown, this utility model provides a yellow phosphorus tail gas purification device, including a filter box 1. An air inlet pipe 2 is fixedly provided at the left end of the filter box 1, and a wind duct 3 is fixedly provided at the middle of the right end of the filter box 1. Mounting blocks 4 are symmetrically fixedly connected to both sides of the right end of the filter box 1. A spray box 5 is fixedly installed on the right side of the mounting blocks 4 and the wind duct 3. A purification mechanism 6 is provided inside both the filter box 1 and the spray box 5. A reaction tank 7 is provided on the right side of the spray box 5. A processing mechanism 8 is provided inside the reaction tank 7. A fan 10 is fixedly provided at the right end of the spray box 5, and a gas supply pipe 9 is fixedly connected to the right end of the fan 10.

[0025] A fan 31 is fixedly installed inside the air duct 3. A connected ash discharge frame 11 is fixedly installed at the lower end of the filter box 1. A sealing plate 12 is movably inserted inside the ash discharge frame 11. A connected drain pipe 13 is fixedly installed at the lower end of the spray box 5. A connected drain pipe 2 14 is fixedly installed at the lower end of the reaction tank 7.

[0026] The reaction tank 7 is added with copper sulfate solution, the air cylinder 3 is connected with the inside of the spraying box 5, the ash frame 11 is connected with the inside of the filter box 1 through the ash groove 64, and the right end of the gas conveying pipe 9 is fixedly connected with the left end of the reaction tank 7 and connected with each other.

[0027] In the scheme, the valves are installed on the liquid discharge pipe one 13 and the liquid discharge pipe two 14, the valves can control the opening and closing of the liquid discharge pipes, the washing liquid after spraying the tail gas can be discharged into the spraying box 5 through the opening of the liquid discharge pipe one 13, and the copper sulfate solution in the reaction tank 7 can be discharged into the tank through the opening of the liquid discharge pipe two 14.

[0028] As shown in Figures 3-4 The purification mechanism 6 includes a sliding rod 61, both ends of the sliding rod 61 are fixedly connected with both sides of the inside of the filter box 1, a filter screen 62 is slidably connected to the outside of the sliding rod 61, a reset spring 63 is sleeved on the left end of the sliding rod 61, an ash groove 64 is formed through the lower end of the filter box 1, a motor 65 is fixedly arranged on one side of the upper end of the filter box 1, a transmission rod 66 is drivingly installed on the output end of the motor 65, and three groups of cams 67 are fixedly sleeved on the outside of the transmission rod 66.

[0029] The spraying box 5 is fixedly installed with a triangular seat 68 at the rear end, the triangular seat 68 is fixedly connected with a liquid tank 69 at the upper end, the liquid tank 69 is fixedly connected with a liquid pump 610 in communication at the upper end, a hanging rod 611 is fixedly connected with the inner wall of the upper end of the spraying box 5, a shunt pipe 612 is fixedly installed at the lower end of the hanging rod 611, a plurality of groups of spray heads 613 in communication are fixedly connected to the lower end of the shunt pipe 612, and a conduit 614 in communication is fixedly connected to the upper end of the liquid pump 610.

[0030] Both ends of the reset spring 63 are fixedly connected with the opposite surfaces of the filter box 1 and the filter screen 62, and the protruding portions of the cams 67 are in contact with the right side of the filter screen 62.

[0031] The shunt pipe 612 is circularly arranged, the spray heads 613 are equidistantly distributed on the shunt pipe 612, the conduit 614 is fixedly connected with the rear side of the upper end of the shunt pipe 612 through the spraying box 5 and in communication.

[0032] In the scheme, by starting the motor 65, the motor 65 drives the transmission rod 66 and the cam 67 to rotate, so that the convex part of the cam 67 can contact the filter screen 62 when rotating, and can push the filter screen 62 to the left side, so that the filter screen slides on the slide rod 61 and extrudes the left side reset spring 63, and when the convex part of the cam 67 is separated from the filter screen 62, under the elastic pushing of the spring, the filter screen 62 can be driven to slide on the slide rod 61, and under the action of the cam 67 and the reset spring 63, the filter screen 62 can be shaken back and forth on the slide rod 61, so that the residual particles and dust on the filter screen 62 can be cleaned, avoiding the filter screen 62 being blocked, and the cleaned particles and dust can fall into the ash frame 11 through the ash slot 64. By pulling out the sealing plate 12, the particles and dust can be discharged from the inside of the filter box 1.

[0033] As shown in Figure 5 The processing mechanism 8 includes a liquid inlet pipe 81, the lower end of the liquid inlet pipe 81 is fixedly connected with the upper end of the reaction tank 7, and they are in communication, the upper end of the liquid inlet pipe 81 is threadedly installed with a sealing cover 82, the inner side of the sealing cover 82 is glued with a sealing gasket 83, the right end of the reaction tank 7 is fixedly provided with a gas exhaust pipe 84 in communication, and the gas exhaust pipe 84 is fixedly provided with a control valve 85.

[0034] The lower end of the sealing gasket 83 is in close contact with the top of the liquid inlet pipe 81 and is movably connected.

[0035] In the scheme, the sealing gasket 83 can ensure the sealing between the liquid inlet pipe 81 and the sealing cover 82, and the controller can control the opening and closing of the gas exhaust pipe 84, so as to facilitate the control of the exhaust gas emission.

[0036] The working principle of the yellow phosphorus tail gas purification device will be described below.

[0037] As shown in Figures 1-5As shown, the yellow phosphorus tail gas purification device in use, first can open the sealing cover 82, through the liquid inlet pipe 81 to the reaction tank 7 into the copper sulfate solution, then in the sealing cover 82 cover on the liquid inlet pipe 81 and tighten, through the air inlet pipe 2 can be yellow phosphorus tail gas into the filter box 1, using the filter screen 62 can be filtered in the larger particles of tail gas, then through the fan 31 in the air duct 3 after filtering the tail gas is discharged into the spray tank 5, at this time can open the liquid pump 610, the liquid pump 610 can be washed liquid tank 69 in the extraction, and through the delivery pipe to the shunt pipe 612, finally through the spray head 613 washing liquid atomization is sprayed out, and the atomized washing liquid can be in contact with the tail gas, and the fine particles in the tail gas are wrapped, and the fine particles are dropped to the bottom of the spray tank 5 under the influence of gravity, at this time by starting the fan 10, the fan 10 can be purified after spraying the tail gas through the delivery pipe to the reaction tank 7, and the residual hydrogen sulfide and phosphine gas in the tail gas and copper sulfate solution in the tank are reacted and absorbed, and the remaining carbon monoxide and hydrogen and other non reactive gas through the exhaust pipe 84 discharge reaction tank 7, so as to complete the purification of yellow phosphorus tail gas operation.

[0038] The above is a detailed description of the general utility model, but on the basis of the utility model, some modifications or improvements can be made, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modification or improvement is within the scope of the utility model.

Claims

1. A yellow phosphorus tail gas purification device, comprising a filter box (1), a gas inlet pipe (2) connected in communication is fixedly arranged at the left end of the filter box (1), characterized in that: The right end middle part of the filter box (1) is fixedly provided with a wind cylinder (3) in communication, both sides of the right end of the filter box (1) are fixedly connected with mounting blocks (4) in symmetry, the right side of the mounting block (4) and the wind cylinder (3) are fixedly installed with a spray box (5), the inside of the filter box (1) and the spray box (5) are provided with purification mechanisms (6), the right side of the spray box (5) is provided with a reaction tank (7), the reaction tank (7) is provided with a treatment mechanism (8), the right end of the spray box (5) is fixedly provided with a fan (10) in communication, the right end of the fan (10) is fixedly connected with a gas conveying pipe (9) in communication. The purification mechanism (6) comprises a sliding rod (61), both ends of the sliding rod (61) are fixedly connected with both sides of the inside of the filter box (1) in symmetry, the outside of the sliding rod (61) is slidably connected with a filter screen (62), the left end of the sliding rod (61) is sleeved with a reset spring (63), the lower end of the filter box (1) is provided with an ash discharge groove (64) penetratingly formed, one side of the upper end of the filter box (1) is fixedly provided with a motor (65), the output end of the motor (65) is drivingly installed with a transmission rod (66), the outside of the transmission rod (66) is fixedly sleeved with three cam wheels (67).

2. A yellow phosphorus tail gas purification device according to claim 1, characterized in that: The rear end of the spray box (5) is fixedly installed with a triangular seat (68), the upper end of the triangular seat (68) is fixedly connected with a liquid tank (69), the upper end of the liquid tank (69) is fixedly connected with a liquid pump (610) in communication, the upper end inner wall of the spray box (5) is fixedly connected with a suspender (611), the lower end of the suspender (611) is fixedly installed with a shunt pipe (612), the lower end of the shunt pipe (612) is fixedly connected with a plurality of spray heads (613) in communication, the upper end of the liquid pump (610) is fixedly connected with a conduit (614) in communication.

3. A yellow phosphorus tail gas purification device according to claim 1, characterized in that: Both ends of the reset spring (63) are fixedly connected with the opposite surfaces of the filter box (1) and the filter screen (62) respectively, the protruding part of the cam wheel (67) is in contact with the right side of the filter screen (62).

4. A yellow phosphorus tail gas purification device according to claim 2, characterized in that: The shunt pipe (612) is circularly arranged, the spray heads (613) are equidistantly distributed on the shunt pipe (612), the conduit (614) is fixedly connected with the upper end rear side of the shunt pipe (612) after penetrating through the spray box (5) and is in communication.

5. A yellow phosphorus tail gas purification device according to claim 1, characterized in that: The treatment mechanism (8) comprises an inlet pipe (81), the lower end of the inlet pipe (81) is fixedly connected with the upper end of the reaction tank (7) and is in communication, the upper end of the inlet pipe (81) is threadedly installed with a sealing cover (82), the inner side of the sealing cover (82) is bonded with a sealing gasket (83), the right end of the reaction tank (7) is fixedly provided with an exhaust pipe (84) in communication, a control valve (85) is fixedly arranged on the exhaust pipe (84).

6. A yellow phosphorus tail gas purification device according to claim 5, characterized in that: The lower end of the sealing gasket (83) is in contact with the top of the inlet pipe (81) and is movably connected.

7. A yellow phosphorus tail gas purification device according to claim 1, characterized in that: The inside of the air cylinder (3) is fixedly provided with a fan (31), the lower end of the filter box (1) is fixedly provided with a dust discharging frame (11) in communication, the inside of the dust discharging frame (11) movably plugs a closing plate (12), the lower end of the spraying box (5) is fixedly provided with a liquid discharging pipe I (13) in communication, the lower end of the reaction tank (7) is fixedly provided with a liquid discharging pipe II (14) in communication, and the dust discharging frame (11) is connected with the inside of the filter box (1) through a dust discharging groove (64).

8. A yellow phosphorus tail gas purification device according to claim 1, characterized in that: The inside of the air cylinder (3) is fixedly provided with a fan (31), the lower end of the filter box (1) is fixedly provided with a dust discharging frame (11) in communication, the inside of the dust discharging frame (11) movably plugs a closing plate (12), the lower end of the spraying box (5) is fixedly provided with a liquid discharging pipe I (13) in communication, the lower end of the reaction tank (7) is fixedly provided with a liquid discharging pipe II (14) in communication, and the dust discharging frame (11) is connected with the inside of the filter box (1) through a dust discharging groove (64).

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