Waste gas treatment device for plastic granulator

Abstract

The invention discloses a waste gas treatment device for a plastic granulator, and relates to the technical field of waste gas treatment, the waste gas treatment device comprises a spraying box, an air inlet channel and a filter box, and further comprises a storage box fixed on the front side of the filter box; the first filtering assembly and the second filtering assembly are respectively arranged in the filtering box and the storage box and are used for filtering the waste gas; according to the waste gas treatment device for the plastic granulator, through the arrangement of the first filtering assembly, various pollutants with different granularities can be treated, the filtering effect is better, and after the hydraulic push rod drives the partition plate to move upwards, through the multiple lead screw mechanisms below, the waste gas can be effectively filtered, and the waste gas can be effectively treated. And the used first filtering assembly and the unused second filtering assembly can be driven to be exchanged, so that the filtering structure can be conveniently and automatically replaced, the operation is simple and rapid, a large amount of manpower and material resources are saved, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device for a plastic granulator. Background Art

[0002] Plastic granulator waste gas treatment refers to the process of collecting, purifying and discharging waste gas generated by heating, extrusion, etc. during the plastic processing process. Plastic granulator is mainly used in plastic recycling and processing. The generation of waste gas is usually related to high temperature, solvent volatilization, and certain chemical reactions. The goal of waste gas treatment is to remove harmful gases, reduce odors, improve air quality, and meet the requirements of environmental protection regulations.

[0003] Reference patent application number CN202220224639.8 is a waste gas treatment device for plastic granulation production. This prior art can atomize and degrade the incoming waste gas, so that some harmful components can be neutralized and dissolved in water, and the water can be recycled and reused, thereby playing a role in energy saving and environmental protection. It can clean the impurities outside the filter cartridge in time to avoid excessive impurities reducing the filtering effect, and it is also convenient for staff to disassemble and replace the filter cartridge. However, this patent has the following shortcomings:

[0004] When the above patent is in use, the machine needs to be stopped to manually disassemble and replace the filter cartridge, which affects production efficiency, is cumbersome to operate, and consumes a lot of manpower and material resources. In addition, the filtering effect of the filter cartridge is single, the filtering range is limited, and cleaning and replacement are more frequent, which is not conducive to use. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides an exhaust gas treatment device for a plastic granulator, which solves the problems in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A waste gas treatment device for a plastic granulator, comprising a spray box, an air inlet channel and a filter box, and also comprising:

[0007] A storage box, fixed to the front side of the filter box;

[0008] The first filter assembly and the second filter assembly are respectively arranged inside the filter box and the storage box, and are used to filter the exhaust gas;

[0009] A plurality of screw mechanisms are respectively arranged below the first filter assembly and the second filter assembly, and are used to drive the first filter assembly and the second filter assembly to perform reciprocating motion.

[0010] Preferably, the filter box and the top of the inner wall of the storage box are both fixedly connected with a top plate, and an upper slide groove is provided at the bottom of the top plate, a first support plate is fixedly connected to the lower side of the interior of the filter box, a second support plate is fixedly connected to the lower side of the interior of the storage box, and a lower slide groove is provided on the top of the second support plate and the first support plate.

[0011] Preferably, the screw mechanism includes a motor, the output end of the motor is fixedly connected to a screw, and the surface of the screw is threadedly connected to a sleeve, the top of the sleeve is fixedly connected to an electric push rod, and the bottoms of the first filter assembly and the second filter assembly are both provided with grooves.

[0012] Preferably, a partition is provided between the first support plate and the second support plate, and a cover plate is fixedly connected to one side of the partition extending to the top of the filter box, a hydraulic push rod is fixedly connected to one side of the filter box, and the output end of the hydraulic push rod is fixedly connected to the top of the cover plate through a mounting plate.

[0013] Preferably, a diffuser plate is fixedly connected to the interior of the air inlet channel, and an adjustment component is provided on one side of the diffuser plate, the adjustment component includes a mounting seat fixed to the surface of the diffuser plate, the surface of the mounting seat is fixedly connected to a drive motor via a protective shell, and the output end of the drive motor is fixedly connected to a support rod, an annular folding plate is provided on the periphery of the mounting seat, and fixed plates are fixedly connected to both sides of the annular folding plate.

[0014] Preferably, the periphery of the annular folding plate is slidably connected to the inner wall of the air inlet channel via an annular groove, and one end of the support rod is fixedly connected to the surface of the fixed plate via a connecting rod.

[0015] Preferably, a water tank is fixedly connected to the top of the spray box, a spray plate is provided on the top of the inner wall of the spray box through a water inlet pipe, and a filter is fixedly connected between two sides of the bottom of the inner wall of the spray box.

[0016] Preferably, the spray box is connected to the filter box via an air inlet channel, and a box door is hinged on the front side of the storage box.

[0017] The present invention provides a waste gas treatment device for a plastic granulator, which has the following beneficial effects:

[0018] (1) The waste gas treatment device for the plastic granulator can treat pollutants of various particle sizes through the setting of the first filter component, so that the filtering effect is better. After the hydraulic push rod drives the partition to move upward, the multiple screw mechanisms below can drive the used first filter component and the unused second filter component to be exchanged, which is convenient for automatic replacement of the filter structure. The operation is simple and quick, saving a lot of manpower and material resources, and improving production efficiency.

[0019] (2) The waste gas treatment device for the plastic granulator can control the air intake volume by adjusting the setting of the components after the waste gas enters the air intake channel, so as to avoid excessive air intake volume increasing the load of the filter, making the filter easily blocked or damaged and shortening its service life, thereby improving the filtering effect.

[0020] (3) The waste gas treatment device for the plastic granulator can remove impurities and particles in the waste gas through a spray mechanism before filtering the waste gas, thereby reducing the subsequent purification pressure, extending the service life of the filter structure, and improving the filtering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the appearance of the structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the internal structure of the spray box of the present invention;

[0023] Figure 3 It is a side view of the internal structure of the air inlet channel of the present invention;

[0024] Figure 4 is a cross-sectional view of the air inlet channel structure of the present invention;

[0025] Figure 5 is a cross-sectional view of the filter box structure of the present invention;

[0026] Figure 6 For the present invention Figure 5 A partial enlarged view of the middle A;

[0027] Figure 7 It is a schematic diagram of the installation of the first filter assembly and the second filter assembly structure of the present invention;

[0028] Figure 8 For the present invention Figure 7 A local enlarged view of the S in the middle.

[0029] In the figure: 1. spray box; 2. air inlet channel; 3. filter box; 4. storage box; 5. first filter assembly; 6. second filter assembly; 7. top plate; 8. upper slide groove; 9. first support plate; 10. second support plate; 11. lower slide groove; 12. motor; 13. screw rod; 14. sleeve; 15. electric push rod; 16. groove; 17. partition; 18. cover plate; 19. hydraulic push rod; 20. mounting plate; 21. diffuser plate; 22. adjustment assembly; 221. mounting seat; 222. drive motor; 223. support rod; 224. annular folding plate; 225. fixing plate; 23. annular groove; 24. water tank; 25. spray plate; 26. filter screen; 27. box door. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Embodiment 1

[0032] See also Figure 1 and Figures 5 to 8 As shown, the present invention provides an exhaust gas treatment device for a plastic granulator, comprising a spray box 1, an air inlet channel 2 and a filter box 3, wherein the spray box 1 is connected to the filter box 3 through the air inlet channel 2, and further comprising:

[0033] The storage box 4 is fixed to the front side of the filter box 3, and a box door 27 is hinged on the front side of the storage box 4 to facilitate the removal and cleaning of the first filter assembly 5 moved into the storage box 4;

[0034] The first filter assembly 5 and the second filter assembly 6 are respectively arranged inside the filter box 3 and the storage box 4, and are used to filter the exhaust gas, wherein the first filter assembly 5 and the second filter assembly 6 both include an activated carbon adsorption net, a molecular sieve and an HPEA filter net, which can process a variety of pollutants of different particle sizes, so that the filtering effect is better;

[0035] A plurality of screw mechanisms are respectively arranged below the first filter assembly 5 and the second filter assembly 6, and specifically, screw mechanisms are arranged below the activated carbon adsorption net, the molecular sieve and the HPEA filter net, for driving the first filter assembly 5 and the second filter assembly 6 to reciprocate;

[0036] The screw mechanism includes a motor 12 fixed to the bottom of the inner wall of the filter box 3, the output end of the motor 12 is fixedly connected to a screw 13, one end of the screw 13 away from the motor 12 is rotatably connected to the inner wall of the storage box 4, and a sleeve 14 is threadedly connected to the surface of the screw 13, a slider is provided at the bottom of each screw mechanism, connected to the sleeve 14, an electric push rod 15 is fixedly connected to the top of the sleeve 14, and a groove 16 is provided at the bottom of the first filter assembly 5 and the second filter assembly 6. After the output end of the electric push rod 15 passes through the first support plate 9 or the second support plate 10, it enters the groove 16 and is connected to the first filter assembly 5 and the second filter assembly 6, so as to facilitate their movement;

[0037] A top plate 7 is fixedly connected to the top of the inner wall of the filter box 3 and the storage box 4, and an upper slide groove 8 is provided at the bottom of the top plate 7. A first support plate 9 is fixedly connected to the lower side of the inside of the filter box 3, and a second support plate 10 is fixedly connected to the lower side of the inside of the storage box 4. A lower slide groove 11 is provided on the top of the second support plate 10 and the first support plate 9, and a through groove is also provided in the lower slide groove 11 for facilitating the hydraulic push rod 19 to move back and forth;

[0038] There are multiple upper chutes 8 and lower chutes 11, which correspond to the positions of the filter screens in the first filter assembly 5 and the second filter assembly 6 respectively;

[0039] A partition 17 is arranged between the first support plate 9 and the second support plate 10, the bottom of the partition 17 is located above the screw mechanism, the partition 17 extends to one side of the top of the filter box 3 and is fixedly connected to a cover plate 18, a hydraulic push rod 19 is fixedly connected to one side of the filter box 3, and the output end of the hydraulic push rod 19 is fixedly connected to the top of the cover plate 18 through the mounting plate 20.

[0040] Through the arrangement of the above structure, the screw mechanism can drive the exchange of the used first filter component 5 and the unused second filter component 6, which is convenient for automatic replacement of the filter structure. The operation is simple and quick, saving a lot of manpower and material resources and improving production efficiency.

[0041] Embodiment 2

[0042] Based on Example 1, please refer to Figure 1 , Figure 3 and Figure 4 As shown, the specific improvements are as follows: a diffuser plate 21 is fixedly connected to the interior of the air inlet channel 2, and an adjustment component 22 is arranged on one side of the diffuser plate 21, the adjustment component 22 includes a mounting seat 221 fixed on the surface of the diffuser plate 21, the surface of the mounting seat 221 is fixedly connected to a driving motor 222 through a protective shell, and the output end of the driving motor 222 is fixedly connected to a support rod 223, an annular folding plate 224 is arranged on the periphery of the mounting seat 221, the annular folding plate 224 can be rotatably folded, and both sides of the annular folding plate 224 are fixedly connected to fixing plates 225, one side of the fixing plate 225 is fixed to the inner wall of the air inlet channel 2, and the other side of the fixing plate 225 is slidably arranged on the inner wall of the air inlet channel 2, the periphery of the annular folding plate 224 is slidably connected to the inner wall of the air inlet channel 2 through an annular groove 23, and one end of the support rod 223 is fixedly connected to the surface of the fixing plate 225 through a connecting rod.

[0043] Through the setting of the above structure, the adjustment component 22 drives one side of the annular folding plate 224 to rotate through the fixed plate 225, and can adjust the opening size between the annular folding plates 224, thereby controlling the air intake volume to avoid excessive air intake volume increasing the load of the filtering structure.

[0044] Embodiment 3

[0045] In conjunction with Example 1 and Example 2, please refer to Figure 1 and Figure 2 As shown, the specific improvements are as follows: a water tank 24 is fixedly connected to the top of the spray box 1, a spray plate 25 is provided at the top of the inner wall of the spray box 1 through a water inlet pipe, the water inlet pipe is connected to the top water tank 24, a solenoid valve is provided inside the water inlet pipe, and is controlled by an external switch, a filter screen 26 is fixedly connected between the two sides of the bottom of the inner wall of the spray box 1, and a circulating pump is also provided on the rear side of the spray box 1 to facilitate the recycling of water filtered by the filter screen 26.

[0046] Through the arrangement of the above structure, before filtering the exhaust gas, it is sprayed in the spray box 1 through the spray plate 25 and combined with the incoming exhaust gas, so as to remove impurity particles in the exhaust gas, reduce the subsequent purification pressure, extend the service life of the filter structure, and improve the filtering efficiency.

[0047] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment compatible with the equipment can be used.

[0048] When in use, the water in the water tank 24 is sprayed into the spray box 1 through the spray plate 25, and combined with the incoming exhaust gas, so as to remove impurities and particles in the exhaust gas. The falling waste water is filtered through the filter screen 26, so as to be reused. The exhaust gas after spraying and dust removal enters the filter box 3 through the air inlet channel 2. By starting the driving motor 222, the fixed plate 225 is driven to rotate through the support rod 223, and the fixed plate 225 drives the annular folding plate 224 to move accordingly, and the opening size between the annular folding plates 224 is adjusted, so as to control the air intake volume, and avoid excessive air intake volume increasing the load of the filter structure;

[0049] The exhaust gas entering the filter box 3 is filtered through the activated carbon adsorption net, the molecular sieve and the HPEA filter net in turn, and then discharged from the box. During the use of the first filter component 5, the hydraulic push rod 19 is started to drive the partition 17 to move upward out of the filter box 3, so that there is no obstruction between the filter box 3 and the storage box 4, and then the electric push rods 15 under the first filter component 5 and the second filter component 6 are started, so that the output end of each electric push rod 15 enters the groove 16 at the bottom of each filter, and then the motor 12 is started. At this time, the motor 12 under the first filter component 5 and the second filter component 6 The rotation direction is opposite, driving the screw rod 13 to rotate. Under the sliding guide action of the slider, the sleeve 14 on the screw rod 13 below the first filter component 5 moves into the storage box 4, and the used first filter component 5 is moved into the storage box 4. Conversely, the sleeve 14 on the screw rod 13 below the second filter component 6 moves into the filter box 3, and the unused second filter component 6 is moved into the filter box 3, thereby realizing automatic replacement of the filter structure. After replacement, the partition 17 is lowered again, and then the door of the storage box 4 is opened, and the replaced first filter component 5 can be taken out and cleaned.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust gas treatment device for a plastic granulator, comprising a spray box (1), an air inlet channel (2) and a filter box (3), characterized in that: Also includes: A storage box (4) is fixed on the front side of the filter box (3); The first filter assembly (5) and the second filter assembly (6) are respectively arranged inside the filter box (3) and the storage box (4) and are used to filter the exhaust gas; A plurality of screw mechanisms are respectively arranged below the first filter assembly (5) and the second filter assembly (6), and are used to drive the first filter assembly (5) and the second filter assembly (6) to perform reciprocating motion.

2. The waste gas treatment device for a plastic granulator according to claim 1, characterized in that: The tops of the inner walls of the filter box (3) and the storage box (4) are both fixedly connected with a top plate (7), and an upper slide groove (8) is provided at the bottom of the top plate (7); a first support plate (9) is fixedly connected to the lower side of the interior of the filter box (3); a second support plate (10) is fixedly connected to the lower side of the interior of the storage box (4), and a lower slide groove (11) is provided on the tops of the second support plate (10) and the first support plate (9).

3. The waste gas treatment device for a plastic granulator according to claim 1, characterized in that: The screw mechanism comprises a motor (12), the output end of the motor (12) is fixedly connected to a screw (13), the surface of the screw (13) is threadedly connected to a sleeve (14), the top of the sleeve (14) is fixedly connected to an electric push rod (15), and the bottoms of the first filter assembly (5) and the second filter assembly (6) are both provided with grooves (16).

4. The waste gas treatment device for a plastic granulator according to claim 2, characterized in that: A partition plate (17) is provided between the first support plate (9) and the second support plate (10); one side of the partition plate (17) extending to the top of the filter box (3) is fixedly connected to a cover plate (18); one side of the filter box (3) is fixedly connected to a hydraulic push rod (19); and an output end of the hydraulic push rod (19) is fixedly connected to the top of the cover plate (18) via a mounting plate (20).

5. The waste gas treatment device for a plastic granulator according to claim 1, characterized in that: A diffuser plate (21) is fixedly connected to the interior of the air inlet channel (2), and an adjustment component (22) is provided on one side of the diffuser plate (21), the adjustment component (22) comprises a mounting seat (221) fixed to the surface of the diffuser plate (21), a driving motor (222) is fixedly connected to the surface of the mounting seat (221) via a protective shell, and a support rod (223) is fixedly connected to the output end of the driving motor (222), an annular folding plate (224) is provided on the periphery of the mounting seat (221), and fixing plates (225) are fixedly connected to both sides of the annular folding plate (224).

6. The waste gas treatment device for a plastic granulator according to claim 5, characterized in that: The periphery of the annular folding plate (224) is slidably connected to the inner wall of the air inlet channel (2) via an annular groove (23), and one end of the support rod (223) is fixedly connected to the surface of the fixing plate (225) via a connecting rod.

7. The waste gas treatment device for a plastic granulator according to claim 1, characterized in that: The top of the spray box (1) is fixedly connected to a water tank (24), the top of the inner wall of the spray box (1) is provided with a spray plate (25) via a water inlet pipe, and a filter screen (26) is fixedly connected between two sides of the bottom of the inner wall of the spray box (1).

8. The waste gas treatment device for a plastic granulator according to claim 1, characterized in that: The spray box (1) and the filter box (3) are connected via an air inlet channel (2), and a box door (27) is hinged on the front side of the storage box (4).

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