Waste gas treatment device for waste plastic granulation

Abstract

The waste gas treatment device comprises a supporting frame, a reaction solution box and a fan, a spraying box is arranged at the top end of the supporting frame, a cyclone opening is formed in the top end of the spraying box, a gas conveying pipe is arranged at the output end of the fan, the gas conveying pipe is communicated with the cyclone opening, a gas outlet pipe is arranged on the side wall of the spraying box, and the gas outlet pipe is communicated with an adsorption box; a solution pipe is arranged on the reaction solution box, a liquid pump is arranged on the solution pipe, and the solution pipe penetrates through the top of the spraying box to be communicated with the spraying box. The waste gas treatment device overcomes the defects in the prior art, is reasonable in design and good in reaction effect of solution and waste gas, and has high social use value and application prospect.

Description

Technical Field

[0001] The utility model relates to the technical field of waste plastic granulation, in particular to an exhaust gas treatment device used for waste plastic granulation. Background Art

[0002] When plastic particles are processed and produced, the plastic material will be melted, and then the melted plastic will be extruded through an extruder to make the melted plastic into strips for cooling, and then the cooled plastic strips will be cut to finally form granular plastic, completing the production of plastic particles. During the processing and production of existing plastic particles, waste gas will be generated while the plastic is extruded, and inhalation of waste gas by workers will cause certain harm to their bodies, so the waste gas needs to be treated. In the existing waste gas treatment device, the spray reaction effect is not good, and the waste gas still contains more harmful substances after being sprayed with the solution. In order to solve the above problem, a waste gas treatment device for waste plastic granulation is provided, which can allow the waste gas to fully contact and react with the solution. Utility Model Content

[0003] In order to solve the problems mentioned in the above background technology, the utility model provides an exhaust gas treatment device for granulating waste plastics.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A waste gas treatment device for granulating waste plastics comprises a support frame, a reaction solution box and a fan, wherein a spray box is arranged at the top of the support frame, a cyclone outlet is arranged at the top of the spray box, an air supply pipe is arranged at the output end of the fan, the air supply pipe is connected with the cyclone outlet, an air outlet pipe is arranged on the side wall of the spray box, and the air outlet pipe is connected with an adsorption box; a solution pipe is arranged on the reaction solution box, a liquid pump is arranged on the solution pipe, and the solution pipe passes through the top of the spray box and is connected with the spray box.

[0006] Preferably, the solution pipe is rotatably connected to a rotating cabin via a sealed bearing, a connecting pipe is provided at the bottom of the rotating cabin, a ring pipe is connected to the bottom of the connecting pipe, and a plurality of atomizing nozzles are equidistantly provided at the bottom of the ring pipe.

[0007] Preferably, a connecting rod is provided on the side wall of the rotating cabin, a scraper is provided on the side end of the connecting rod, and the connecting rod abuts against the inner wall of the spray box.

[0008] Preferably, the side wall of the adsorption box is provided with a mounting groove, the inner wall of the adsorption box is provided with a mounting plate at the mounting groove, the top of the mounting plate is provided with a limiting groove, an activated carbon adsorption plate is provided at the limiting groove, the inner wall of the adsorption box is provided with a sealing baffle at the mounting groove, the side wall of the adsorption box is rotatably connected to a door panel at the mounting groove through a hinge column, the inner wall of the door panel is provided with a second spring, and a sealing push plate is provided at the end of the second spring.

[0009] Preferably, the side wall of the door panel is provided with a fixed groove, the side wall of the spray box is provided with a sliding groove, a sliding rod is slidably connected inside the side wall of the spray box, the bottom end of the sliding rod is engaged with the fixed groove, a third spring is provided on the inner side wall of the sliding groove, the end of the third spring is fixedly connected to the end of the sliding rod, and a push rod is provided on the side wall of the sliding rod.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The rotating chamber rotates, thereby driving the annular tube to rotate, so that the solution sprayed from the atomizing nozzle rotates and falls in the spray box, and the direction of rotation is the same as the direction of exhaust gas rotation, which can make the solution and exhaust gas stay in the spray box for a longer time, making the exhaust gas and solution react more thoroughly.

[0012] 2. When the activated carbon adsorption plate needs to be replaced, push the push rod to move the sliding rod upward, and the bottom end of the sliding rod will be separated from the fixed groove. At this time, the door panel will be in limit contact. After rotating the door panel, the first push plate can push out the activated carbon adsorption plate through the reset action of the first spring, and the activated carbon adsorption plate can be taken out. Disassembly and assembly are very convenient.

[0013] In summary, the utility model overcomes the shortcomings of the prior art, has a reasonable design, has a good reaction effect between the solution and the waste gas, and has a high social use value and application prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3 This is a schematic diagram of the internal structure of the spray box of the utility model;

[0018] Figure 4 This is a schematic diagram of the adsorption box structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of the adsorption box of the utility model;

[0020] Figure 6 For the utility model Figure 5A magnified view of the structure at center;

[0021] Figure 7 This is a schematic diagram of the sealing baffle structure of the utility model;

[0022] Figure 8 This is a schematic diagram of the sealing push plate structure of the utility model;

[0023] Fig. 9 This is a schematic diagram of the door panel structure of the utility model;

[0024] Fig.10 This is a schematic diagram of the sliding rod structure of the utility model.

[0025] In the figure: support frame 1, spray box 2, reaction solution box 3, solution pipe 31, liquid pump 311, cyclone port 21, air delivery pipe 211, fan 212, discharge port 22, discharge pipe 221, valve 222, air outlet pipe 23, adsorption box 4, rotating cabin 312, first gear 32, connecting pipe 313, annular pipe 314, atomizing nozzle 315, connecting rod 33, scraper 331, rotating shaft 322, driving gear 321, motor 323, mounting groove 401, sliding groove 402, mounting plate 41, limiting groove 411, sealing baffle 44, first spring 43, first push plate 431, door plate 45, second spring 451, sealing push plate 452, fixed groove 453, sliding rod 454, push rod 455, third spring 456. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0027] Example 1

[0028] Reference Figure 1-10 , an exhaust gas treatment device for waste plastic granulation, comprising a support frame 1, a reaction solution box 3 and a fan 212, a spray box 2 is provided at the top of the support frame 1, a cyclone port 21 is provided at the top of the spray box 2, an air delivery pipe 211 is provided at the output end of the fan 212, the air delivery pipe 211 is connected with the cyclone port 21, a discharge port 22 is provided at the bottom of the spray box 2, a discharge pipe 221 is provided at the discharge port 22, a valve 222 is provided on the discharge pipe 221, an air outlet pipe 23 is provided on the side wall of the spray box 2, and the air outlet pipe 23 is connected with an adsorption box 4;

[0029] The reaction solution box 3 is provided with a solution pipe 31 , and the solution pipe 31 is provided with a liquid pump 311 . The solution pipe 31 passes through the top of the spray box 2 and is in communication with the spray box 2 .

[0030] The exhaust gas is pumped from the cyclone port 21 into the spray box 2 through the fan 212. As the exhaust gas is guided through the cyclone port 21, a vortex is formed inside the spray box 2 to rotate and fall. The liquid pump 311 is started to pump the reaction solution into the spray box 2 to contact with the exhaust gas, and harmful substances in the exhaust gas are removed through reaction.

[0031] Example 2

[0032] Reference Figure 1-10 The difference between this embodiment and embodiment 1 is that the solution tube 31 is rotatably connected to the rotating cabin 312 through a sealed bearing, a connecting pipe 313 is provided at the bottom of the rotating cabin 312, and the bottom of the connecting pipe 313 is connected to an annular tube 314, and a plurality of atomizing nozzles 315 are equidistantly provided at the bottom of the annular tube 314, a connecting rod 33 is provided on the side wall of the rotating cabin 312, a scraper 331 is provided on the side end of the connecting rod 33, the connecting rod 33 abuts against the inner wall of the spray box 2, a first gear 32 is provided on the side wall of the rotating cabin 312, a rotating shaft 322 is rotatably connected to the top of the spray box 2, a driving gear 321 is provided at the bottom end of the rotating shaft 322, and the driving gear 321 is meshed with the first gear 32, a motor 323 is provided at the top of the spray box 2, and the output end of the motor 323 is fixedly connected to the rotating shaft 322.

[0033] The motor 323 is started to drive the rotating shaft 322 to start rotating, and the driving gear 321 is meshed with the first gear 32 to drive the rotating cabin 312 to rotate, thereby driving the annular tube 314 to rotate, so that the solution sprayed by the atomizing nozzle 315 rotates and falls in the spray box 2, and the direction of rotation is the same as the direction of exhaust gas rotation, which can make the solution and exhaust gas stay in the spray box 2 for a longer time, so that the exhaust gas and solution react more thoroughly.

[0034] Example 3

[0035] Reference Figure 1-10 The difference between this embodiment and embodiment 2 is that a mounting groove 401 is provided on the side wall of the adsorption box 4, a mounting plate 41 is provided on the inner wall of the adsorption box 4 at the mounting groove 401, a limiting groove 411 is provided on the top of the mounting plate 41, an activated carbon adsorption plate 42 is provided at the limiting groove 411, a sealing baffle 44 is provided on the inner wall of the adsorption box 4 at the mounting groove 401, a first spring 43 is provided on the inner wall of the adsorption box 4, a first push plate 431 is provided at the end of the first spring 43, the first push plate 431 abuts against the activated carbon adsorption plate 42, a door panel 45 is rotatably connected to the side wall of the adsorption box 4 at the mounting groove 401 through a hinge column, a second spring 451 is provided on the inner wall of the door panel 45, and a sealing push plate 452 is provided at the end of the second spring 451.

[0036] The activated carbon adsorption plate 42 is placed in the limiting groove 411, the first push plate 431 abuts against the side wall of the activated carbon adsorption plate 42, the door panel 45 is rotated, the sealing push plate 452 pushes the activated carbon adsorption plate 42 to move inward, the first spring 43 is in a compressed state, and the sealing push plate 452 abuts against the connection between the installation groove 401 and the activated carbon adsorption plate 42, which can improve the sealing effect of the adsorption box 4.

[0037] Example 4

[0038] Reference Figure 1-10 The difference between this embodiment and embodiment 4 is that the side wall of the door panel 45 is provided with a fixed groove 453, the side wall of the spray box 2 is provided with a sliding groove 402, and a sliding rod 454 is slidably connected inside the side wall of the spray box 2. The bottom end of the sliding rod 454 is a conical inclined surface, and the bottom end of the sliding rod 454 is engaged with the fixed groove 453. The inner wall of the sliding groove 402 is provided with a third spring 456, and the end of the third spring 456 is fixedly connected to the end of the sliding rod 454. The side wall of the sliding rod 454 is provided with a push rod 455, and the push rod 455 slides along the sliding groove 402.

[0039] When the activated carbon adsorption plate 42 needs to be replaced after being used for a period of time, the push rod 455 can be pushed to move the sliding rod 454 upward, and the bottom end of the sliding rod 454 is separated from the fixing groove 453. At this time, the door panel 45 is in limit contact. After the door panel 45 is rotated, the first push plate 431 can push out the activated carbon adsorption plate 42 through the resetting action of the first spring 43, and the activated carbon adsorption plate 42 can be taken out, which is very convenient for disassembly and assembly.

[0040] Working principle: In the utility model, the exhaust gas is pumped into the spray box 2 from the cyclone port 21 by the fan 212. As the exhaust gas is guided by the cyclone port 21, a vortex is formed inside the spray box 2 to rotate and fall. The motor 323 is started to drive the rotating shaft 322 to start rotating. The driving gear 321 is meshed and connected with the first gear 32, thereby driving the rotating cabin 312 to rotate, thereby driving the annular tube 314 to rotate, so that the solution sprayed by the atomizing nozzle 315 rotates and falls in the spray box 2, and the direction of rotation is the same as the cyclonic direction of the exhaust gas, so that the solution and the exhaust gas can stay in the spray box 2 for a longer time;

[0041] The activated carbon adsorption plate 42 is placed in the limiting groove 411, the first push plate 431 is in contact with the side wall of the activated carbon adsorption plate 42, the door plate 45 is rotated, and the sealing push plate 452 pushes the activated carbon adsorption plate 42 to move inward, and the first spring 43 is in a compressed state, at this time, the activated carbon adsorption plate 42 can be fixed;

[0042] When the activated carbon adsorption plate 42 needs to be replaced, the push rod 455 can be pushed to move the sliding rod 454 upward, and the bottom end of the sliding rod 454 is separated from the fixing groove 453. At this time, the door panel 45 is in limit contact. After the door panel 45 is rotated, the first push plate 431 can push out the activated carbon adsorption plate 42 through the resetting action of the first spring 43, and the activated carbon adsorption plate 42 can be taken out, which is very convenient for disassembly and assembly.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] In the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An exhaust gas treatment device for waste plastic granulation, comprising a support frame (1), a reaction solution tank (3) and a fan (212), characterized in that: A spray box (2) is provided at the top of the support frame (1), a cyclone port (21) is provided at the top of the spray box (2), an air supply pipe (211) is provided at the output end of the fan (212), the air supply pipe (211) is connected to the cyclone port (21), an air outlet pipe (23) is provided on the side wall of the spray box (2), and the air outlet pipe (23) is connected to the adsorption box (4); A solution pipe (31) is provided on the reaction solution box (3), a liquid pump (311) is provided on the solution pipe (31), and the solution pipe (31) passes through the top of the spray box (2) and is in communication with the spray box (2).

2. The waste gas treatment device for waste plastic granulation according to claim 1 is characterized in that: The solution pipe (31) is rotatably connected to a rotating chamber (312) via a sealed bearing; a connecting pipe (313) is provided at the bottom of the rotating chamber (312); the bottom of the connecting pipe (313) is connected to an annular pipe (314); and a plurality of atomizing nozzles (315) are equidistantly provided at the bottom of the annular pipe (314).

3. The waste gas treatment device for waste plastic granulation according to claim 2 is characterized in that: A connecting rod (33) is provided on the side wall of the rotating chamber (312), a scraper (331) is provided on the side end of the connecting rod (33), and the connecting rod (33) abuts against the inner side wall of the spray box (2).

4. The waste gas treatment device for waste plastic granulation according to claim 1 is characterized in that: The side wall of the adsorption box (4) is provided with a mounting groove (401); the inner wall of the adsorption box (4) is provided with a mounting plate (41) at the mounting groove (401); a limiting groove (411) is provided at the top of the mounting plate (41); an activated carbon adsorption plate (42) is provided at the limiting groove (411); the inner wall of the adsorption box (4) is provided with a sealing baffle (44) at the mounting groove (401); the side wall of the adsorption box (4) is rotatably connected to a door panel (45) at the mounting groove (401) via a hinge column; a second spring (451) is provided on the inner wall of the door panel (45); and a sealing push plate (452) is provided at the end of the second spring (451).

5. The waste gas treatment device for waste plastic granulation according to claim 4 is characterized in that: The side wall of the door panel (45) is provided with a fixing groove (453), the side wall of the spray box (2) is provided with a sliding groove (402), a sliding rod (454) is slidably connected inside the side wall of the spray box (2), the bottom end of the sliding rod (454) is engaged with the fixing groove (453), the inner side wall of the sliding groove (402) is provided with a third spring (456), the end of the third spring (456) is fixedly connected to the end of the sliding rod (454), and the side wall of the sliding rod (454) is provided with a push rod (455).

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