A waste gas treatment device for plastic product production

Abstract

The utility model discloses a kind of waste gas treatment devices for plastic product production, including first processing box, for realizing to waste gas preliminary spray purification treatment spray mechanism, and spray mechanism is arranged inside the first processing box, second processing box, install at the top of first processing box, for realizing to waste gas adsorption purification treatment adsorption mechanism, and adsorption mechanism is arranged inside the second processing box, the utility model is set by spray mechanism and adsorption mechanism, the spray mechanism in first processing box can waste gas preliminary spray purification treatment, can effectively remove particulate matter, water-soluble harmful component etc. in waste gas, reduce the concentration of pollutant in waste gas, reduce burden for subsequent adsorption treatment, cooperate with the adsorption mechanism in second processing box then waste gas after spray treatment can be further adsorbed and purified, remove volatile organic compounds, odor gas and other hardly soluble harmful components in water, both synergic cooperation, can ensure that waste gas is discharged up to standard.

Description

Technical Field

[0001] This utility model relates to the field of plastic product manufacturing technology, specifically to a waste gas treatment device for plastic product manufacturing. Background Technology

[0002] Plastic products refer to various daily necessities and industrial products made primarily from plastics. The production of plastic products generates waste gas, which requires waste gas treatment devices to protect the ecological environment. However, current waste gas treatment devices typically use adsorption methods to purify harmful substances in the waste gas. But adsorption alone is insufficient to completely remove multiple harmful components from the waste gas. Furthermore, single adsorption treatment makes the adsorbent material prone to saturation during use, requiring frequent replacement, which leads to a decrease in purification efficiency.

[0003] As in the prior art, Chinese utility model patent CN222534459U discloses a waste gas purification device for plastic product manufacturing. This utility model includes a base, a device body fixedly installed on the top of the base, a feed pipe fixedly installed on the upper part of one side of the base, a feed hopper fixedly installed on the top of the feed pipe, a gas delivery pipe fixedly installed in the middle of the top of the device body, a treatment box fixedly installed on one side of the gas delivery pipe, an installation frame fixedly installed on one side of the treatment box, and an exhaust pipe fixedly installed on one side of the installation frame. In the above structure, the waste gas is purified only by activated carbon in the treatment box. This not only makes it difficult to completely remove the various harmful components in the waste gas, but also the single activated carbon is easily saturated and requires frequent shutdowns for replacement. That is, the above-mentioned single adsorption technology has the problems of incomplete purification and easy saturation of adsorption materials. Therefore, we need to propose a waste gas treatment device for plastic product manufacturing. Utility Model Content

[0004] The purpose of this utility model is to provide a waste gas treatment device for plastic product manufacturing. By setting up a spraying mechanism and an adsorption mechanism, the spraying mechanism in the first treatment box performs preliminary spraying and purification on the waste gas, effectively removing soluble pollutants and particulate matter in the waste gas. The adsorption mechanism in the second treatment box can further adsorb and purify the waste gas after spraying, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A waste gas treatment device for plastic product manufacturing includes: a first treatment box; a spray mechanism for performing preliminary spray purification treatment on the waste gas, wherein the spray mechanism is disposed inside the first treatment box; a second treatment box installed on top of the first treatment box; and an adsorption mechanism for performing adsorption purification treatment on the waste gas, wherein the adsorption mechanism is disposed inside the second treatment box.

[0007] Preferably, the spraying mechanism includes a storage tank, a water pump, a pumping pipe, a delivery pipe, a water outlet tray, and multiple sets of nozzles; the storage tank is located on one side of the first treatment tank, the inlet of the water pump is connected to the top of the storage tank through the pumping pipe, one end of the delivery pipe is connected to the outlet of the water pump, and the other end of the delivery pipe passes through the first treatment tank and is connected to the top of the water outlet tray, the top of the water outlet tray is fixedly connected to the inner top of the first treatment tank, and the bottom of the water outlet tray is connected to multiple sets of nozzles arranged in a rectangular array.

[0008] Preferably, it also includes two sets of connecting pipes, one end of which is connected to both sides of the first processing box, and the other end of which is connected to both sides of the second processing box.

[0009] Preferably, it also includes a support frame, which is fixedly installed inside the second processing box, and the adsorption mechanism is installed on the top of the support frame.

[0010] Preferably, the adsorption mechanism includes a fixed frame and two sets of activated carbon layers; the fixed frame is installed on top of the support frame, and the two sets of activated carbon layers are disposed inside the fixed frame.

[0011] Preferably, the bottom of the fixed frame is fixedly installed with multiple sets of limiting posts, and the top of the support frame is provided with multiple sets of limiting holes for the limiting posts to be inserted.

[0012] Preferably, the top of the second processing box is provided with a sealing cover, and the top of the sealing cover is connected to an exhaust pipe.

[0013] Preferably, an air inlet pipe is connected to one side of the first treatment box, a sewage outlet pipe is connected to the bottom, and the bottom of the first treatment box is tapered.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention, through the setup of a spraying mechanism and an adsorption mechanism, allows the spraying mechanism in the first treatment chamber to perform preliminary spraying purification of the waste gas, effectively removing particulate matter, water-soluble harmful components, and other pollutants, thus reducing the concentration of pollutants in the waste gas and lessening the burden on subsequent adsorption treatment. In conjunction with the adsorption mechanism in the second treatment chamber, the sprayed waste gas can be further adsorbed and purified, removing volatile organic compounds, odorous gases, and other water-insoluble harmful components. The synergistic effect of both mechanisms ensures that the waste gas meets emission standards. The spraying pretreatment reduces the pollutant load on the adsorption material, slows down the saturation rate of the adsorption material, and extends the replacement cycle, effectively solving the problems of incomplete purification and easy saturation of the adsorption material in traditional single adsorption technology, thereby improving the purification efficiency of the waste gas. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the spraying mechanism of this utility model;

[0018] Figure 3 This is a cross-sectional schematic diagram of the second processing box of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the limiting post and limiting hole of this utility model;

[0020] Figure 5 This is a schematic diagram of the adsorption mechanism of this utility model.

[0021] In the diagram: 1. First treatment tank; 2. Spraying mechanism; 21. Storage tank; 22. Water pump; 23. Pumping pipe; 24. Delivery pipe; 25. Water outlet tray; 26. Sprayer head; 3. Second treatment tank; 4. Adsorption mechanism; 41. Fixing frame; 42. Activated carbon layer; 5. Connecting pipe; 6. Support frame; 7. Limiting post; 8. Limiting hole; 9. Sealing cover; 10. Exhaust pipe; 11. Air inlet pipe; 12. Sewage discharge pipe. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5 This utility model provides a technical solution:

[0024] A waste gas treatment device for plastic product manufacturing includes: a first treatment box 1; a spray mechanism 2 for performing preliminary spray purification treatment on the waste gas, wherein the spray mechanism 2 is disposed inside the first treatment box 1; a second treatment box 3 installed on top of the first treatment box 1; and an adsorption mechanism 4 for performing adsorption purification treatment on the waste gas, wherein the adsorption mechanism 4 is disposed inside the second treatment box 3.

[0025] With the setup of a first treatment box 1, a spray mechanism 2, a second treatment box 3, and an adsorption mechanism 4, the first treatment box 1 serves as a primary purification unit. The spray mechanism 2 is installed inside to pre-treat the exhaust gas through liquid spraying, which can effectively remove particulate matter and water-soluble pollutants, reduce the concentration of pollutants in the exhaust gas, and reduce the load on subsequent adsorption treatment. The second treatment box 3 is equipped with an adsorption mechanism 4, which is used to adsorb and treat the exhaust gas after spraying, removing volatile organic compounds, odorous gases, and other harmful components that are difficult to dissolve in water. It works synergistically with the spray mechanism 2 to achieve multi-stage treatment of exhaust gas.

[0026] Specifically, the spraying mechanism 2 includes a storage tank 21, a water pump 22, a pumping pipe 23, a delivery pipe 24, a water outlet plate 25, and multiple sets of nozzles 26. The storage tank 21 is located on one side of the first treatment tank 1. The inlet of the water pump 22 is connected to the top of the storage tank 21 through the pumping pipe 23. One end of the delivery pipe 24 is connected to the outlet of the water pump 22, and the other end of the delivery pipe 24 passes through the first treatment tank 1 and is connected to the top of the water outlet plate 25. The top of the water outlet plate 25 is fixedly connected to the inner top of the first treatment tank 1, and the bottom of the water outlet plate 25 is connected to multiple sets of nozzles 26 arranged in a rectangular array.

[0027] The system comprises a storage tank 21, a water pump 22, a suction pipe 23, a delivery pipe 24, a water outlet tray 25, and multiple sets of nozzles 26. The storage tank 21 is located on one side of the first treatment tank 1 and is used to store the spray liquid. The properties of the solution can be adjusted according to the composition of the waste gas to enhance the treatment effect on water-soluble pollutants. The water pump 22 can be a CQB type fluoroplastic magnetic pump. The water pump 22 can be connected to the top of the storage tank 21 through the suction pipe 23 to realize liquid transportation. Its power needs to match the waste gas treatment volume to ensure that the purified liquid can be delivered to the nozzles 26 with sufficient pressure. The delivery pipe 24 guides the purified liquid output by the water pump 22 into the water outlet tray 25 in the first treatment tank 1. Multiple sets of nozzles 26 are distributed in a rectangular array at the bottom, which can make the spray liquid form a fine water mist, expand the contact area with the waste gas, ensure that the waste gas and the purified liquid are in full contact, and improve the purification efficiency.

[0028] It also includes two sets of connecting pipes 5, one end of which is connected to both sides of the first processing box 1, and the other end of which is connected to both sides of the second processing box 3.

[0029] With the connection pipes 5 in place, two sets of connection pipes 5 are symmetrically arranged between the first treatment box 1 and the second treatment box 3 to form a symmetrical airflow channel, ensuring that the exhaust gas can enter the second treatment box 3 evenly from the first treatment box 1, and avoiding uneven load on the adsorption mechanism 4 caused by local airflow concentration.

[0030] Specifically, it also includes a support frame 6, which is fixedly installed inside the second processing box 3, and an adsorption mechanism 4 is installed on top of the support frame 6.

[0031] The support frame 6 provides a stable mounting base for the adsorption mechanism 4, ensuring that it does not shift or shake during the flow of exhaust gas. The support frame 6 is installed in the middle of the second treatment box 3, so that the exhaust gas diffuses evenly after entering and then passes through the adsorption mechanism 4, thereby improving the adsorption efficiency.

[0032] In a further preferred embodiment, the adsorption mechanism 4 includes a fixed frame 41 and two sets of activated carbon layers 42; the fixed frame 41 is installed on the top of the support frame 6, and the two sets of activated carbon layers 42 are disposed inside the fixed frame 41.

[0033] With the fixed frame 41 and two sets of activated carbon layers 42, the fixed frame 41 serves as the mounting carrier for the two sets of activated carbon layers 42. The two sets of activated carbon layers 42 are arranged vertically within the fixed frame 41, using different pore sizes to form a gradient adsorption structure. The first activated carbon layer 42 has a larger pore size near the air inlet side, which preferentially adsorbs large molecular pollutants and some odor components, reducing the pollution load of the exhaust gas. The second activated carbon layer 42 has a smaller pore size, which deeply adsorbs residual small molecular volatile organic compounds, thereby ensuring thorough purification.

[0034] Specifically, multiple sets of limiting posts 7 are fixedly installed at the bottom of the fixed frame 41, and multiple sets of limiting holes 8 are opened at the top of the support frame 6 for the limiting posts 7 to be inserted.

[0035] With the setting of limiting posts 7 and limiting holes 8, the limiting posts 7 at the bottom of the fixed frame 41 and the limiting holes 8 at the top of the support frame 6 form a plug-in fit. After the limiting posts 7 are inserted into the limiting holes 8, the fixed frame 41 can be prevented from horizontal displacement. At the same time, it can be quickly disassembled without tools, which greatly shortens the replacement time of the activated carbon layer 42. In addition, the number of limiting holes 8 matches the limiting posts 7 and is distributed in a rectangular shape to ensure that the fixed frame 41 is subjected to uniform force and avoids structural loosening caused by vibration generated by the flow of exhaust gas.

[0036] The second processing box 3 is provided with a sealing cover 9 on its top, and the top of the sealing cover 9 is connected to an exhaust pipe 10.

[0037] With the sealing cover 9 and exhaust pipe 10, the sealing cover 9 covers the top of the second treatment box 3, and the edge is provided with sealing strips to ensure that a sealed space is formed inside the treatment box, preventing the leakage of purified gas or the mixing of untreated waste gas. The sealing cover 9 can be fixed with bolts, which is convenient for opening, maintenance and replacement of the adsorption mechanism 4. At the same time, the sealed cover 9 after being closed fits snugly with the top of the fixed frame 41, which further enhances the stability of the adsorption mechanism 4 installation. The exhaust pipe 10 is set on the top of the sealing cover 9, and the top exhaust method is conducive to the discharge of purified gas.

[0038] Specifically, the first treatment box 1 has an air inlet pipe 11 connected to one side and a sewage outlet pipe 12 connected to the bottom, and the bottom of the first treatment box 1 is cone-shaped.

[0039] With the installation of the air inlet pipe 11 and the sewage outlet pipe 12, the air inlet pipe 11 is connected to the bottom of one side of the first treatment box 1, which facilitates the smooth entry of exhaust gas into the box for treatment. The bottom is connected to the sewage outlet pipe 12 and is set in a cone shape, which allows the wastewater and impurities after spraying and purification to naturally converge to the bottom due to the cone structure and be quickly discharged through the sewage outlet pipe 12, avoiding the wastewater residue in the box.

[0040] Working principle: When this utility model is used, the exhaust gas enters the first treatment box 1 through the air inlet pipe 11 and is pre-treated by the spray mechanism 2: the water pump 22 draws out the purified liquid in the storage tank 21 through the water pumping pipe 23, and delivers it to the water outlet plate 25 through the conveying pipe 24. Finally, it forms an atomized spray through multiple sets of nozzles 26, which effectively removes soluble pollutants and particulate matter in the exhaust gas. The waste liquid generated by the spraying is discharged in a concentrated manner through the sewage pipe 12 at the bottom of the cone.

[0041] After being purified by spraying, the exhaust gas enters the second treatment box 3 through two sets of connecting pipes 5. The two sets of activated carbon layers 42 in the fixed frame 41 perform dual adsorption purification on the exhaust gas: the first activated carbon layer 42 first intercepts larger molecular pollutants and some odor components, initially reducing the concentration of exhaust gas pollution; the second activated carbon layer 42 further adsorbs residual small molecular volatile organic compounds and other harmful components, achieving deep purification of various harmful components in the exhaust gas. Finally, the purified gas is discharged through the exhaust pipe 10 at the top of the sealed cover 9.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waste gas treatment device for plastic product manufacturing, characterized in that, include: First processing box (1); A spray mechanism (2) is used to perform preliminary spray purification treatment on exhaust gas, and the spray mechanism (2) is located inside the first treatment box (1); The second processing box (3) is installed on top of the first processing box (1); An adsorption mechanism (4) is used to perform adsorption purification treatment on waste gas, and the adsorption mechanism (4) is located inside the second treatment box (3).

2. The waste gas treatment device for plastic product manufacturing according to claim 1, characterized in that: The spraying mechanism (2) includes a liquid storage tank (21), a water pump (22), a water pumping pipe (23), a delivery pipe (24), a water outlet plate (25), and multiple sets of nozzles (26). The storage tank (21) is located on one side of the first treatment tank (1). The inlet of the water pump (22) is connected to the top of the storage tank (21) through the pump pipe (23). One end of the delivery pipe (24) is connected to the outlet of the water pump (22), and the other end of the delivery pipe (24) passes through the first treatment tank (1) and is connected to the top of the outlet plate (25). The top of the outlet plate (25) is fixedly connected to the inner top of the first treatment tank (1), and the bottom of the outlet plate (25) is connected to multiple sets of nozzles (26) arranged in a rectangular array.

3. The waste gas treatment device for plastic product manufacturing according to claim 1, characterized in that: It also includes two sets of connecting pipes (5), one end of which is connected to both sides of the first processing box (1), and the other end of which is connected to both sides of the second processing box (3).

4. The waste gas treatment device for plastic product manufacturing according to claim 1, characterized in that: It also includes a support frame (6), which is fixedly installed inside the second processing box (3), and the adsorption mechanism (4) is installed on the top of the support frame (6).

5. The waste gas treatment device for plastic product manufacturing according to claim 4, characterized in that: The adsorption mechanism (4) includes a fixed frame (41) and two sets of activated carbon layers (42); the fixed frame (41) is installed on the top of the support frame (6), and the two sets of activated carbon layers (42) are both located inside the fixed frame (41).

6. The waste gas treatment device for plastic product manufacturing according to claim 5, characterized in that: The bottom of the fixed frame (41) is fixedly installed with multiple sets of limiting posts (7), and the top of the support frame (6) is provided with multiple sets of limiting holes (8) for the limiting posts (7) to be inserted.

7. The waste gas treatment device for plastic product manufacturing according to claim 1, characterized in that: The top of the second processing box (3) is provided with a sealing cover (9), and the top of the sealing cover (9) is connected to an exhaust pipe (10).

8. The waste gas treatment device for plastic product manufacturing according to claim 1, characterized in that: The first processing box (1) has an air inlet pipe (11) connected to one side and a sewage pipe (12) connected to the bottom, and the bottom of the first processing box (1) is cone-shaped.

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