Waste gas treatment device of regenerated polyester foam granulator

Abstract

The utility model discloses a waste gas treatment device of a regenerated polyester foam granulator. The waste gas treatment device comprises a reaction box, a mounting plate, an enclosing plate and a processing mechanism, wherein an air inlet and an air outlet which are coaxial are respectively formed in two sides of the reaction box; the mounting plate is arranged in the reaction box, an air inlet cavity and an air outlet cavity are formed in the reaction box, and a first air opening and a second air opening are formed in the air inlet cavity and the air outlet cavity respectively; purification ends are arranged in the air inlet cavity and the air outlet cavity; the enclosing plate is mounted in the reaction box, and a first spraying area, a second spraying area and a circulation area which are communicated with one another are formed between the enclosing plate and the mounting plate; the machining mechanism comprises a water tank, a water pumping end and a spraying end. The waste gas treatment device provided by the utility model has the beneficial effects that the technical problem that the working efficiency of the waste gas treatment device is invisibly reduced due to the fact that the residence time of waste gas in the waste gas treatment device is relatively short and the waste gas cannot be in full contact with neutralizing liquid in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely relates to a kind of waste gas treatment device for regenerated polyester bubble material granulator. BACKGROUND

[0002] Regenerated polyester bubble material granulator will produce waste gas in production process, these waste gases mainly come from the recycling, screening, crushing, cleaning, drying, melting, extruding etc. of waste plastics, the main features of waste gas include complex composition, contain volatile organic compounds, such as non-methane total hydrocarbon, benzene, toluene, ethylbenzene, styrene etc., and may contain particulate matter, smoke and other impurities;Concentration fluctuation is big, due to the different types of recycled plastics, processing technology, and the uncertainty factors in production process, the concentration of waste gas emitted can be very different;Odor pungent, VOCs and other harmful substances in waste gas have obvious irritating odor, cause adverse effects on environment and human health;Toxicity is big, some substances in waste gas are toxic to human body and environment, may contain carcinogenic, teratogenic substances, pose potential threat to human health;

[0003] In Chinese utility model CN219308267U, a waste gas treatment device is proposed, which mainly solves the problem that the existing filter plate is not convenient to assemble and disassemble, resulting in low filtration efficiency of the filter plate during long-term use. However, the device has low filtration efficiency for waste gas, and the reaction time of waste gas in the waste gas treatment device is short, so the waste gas cannot be uniformly treated, which reduces the working efficiency of the entire waste gas treatment device. UTILITY MODEL CONTENT

[0004] The utility model aims to overcome the above technical deficiencies and provide a waste gas treatment device for regenerated polyester bubble material granulator, which solves the technical problem of existing waste gas treatment devices, short residence time of waste gas in the device, and the inability of waste gas to fully contact with neutralizing liquid, which reduces the working efficiency of the waste gas device.

[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] In the first aspect, the utility model provides a waste gas treatment device for regenerated polyester bubble material granulator, which includes:

[0007] A reaction box is provided with coaxial air inlet and air outlet on both sides;

[0008] An installation plate is arranged inside the reaction box and forms an air inlet cavity and an air outlet cavity inside the reaction box, and first air port and second air port are respectively arranged on the air inlet cavity and the air outlet cavity;Purification end is arranged inside the air inlet cavity and the air outlet cavity.

[0009] surrounding plates installed in the reaction box and forming a first spraying area, a second spraying area and a flow-through area in communication with the mounting plate;

[0010] a processing mechanism including a water tank, a water suction end and a spraying end; the water tank is installed outside the reaction box, one end of the water suction end is in communication with the water tank, the other end is in communication with the spraying end, and the spraying end is used for spraying the waste gas flowing through the first spraying area and the second spraying area.

[0011] In some embodiments, the purification end includes a first filter screen and a second filter screen; the first filter screen is installed in the air inlet cavity, and the second filter screen is installed in the air outlet cavity.

[0012] In some embodiments, a plurality of first air deflectors are arranged inside the first spraying area, and a plurality of second air deflectors are arranged inside the second spraying area.

[0013] In some embodiments, the number of surrounding plates is two, a plurality of first air holes and a plurality of second air holes are respectively formed in the two surrounding plates, and the first air holes and the second air holes make the first spraying area, the second spraying area and the flow-through area in communication with each other.

[0014] In some embodiments, the water suction end includes a water pump, a first pipe body and a second pipe body; the output end of the water pump is connected with the first pipe body, one end of the first pipe body extends into the water tank, the drainage end of the water pump is connected with the second pipe body, and the distal end of the second pipe body is in communication with the spraying end.

[0015] In some embodiments, the spraying end includes two spraying pipes; the two spraying pipes are arranged on the top of the reaction box, a plurality of spraying openings are formed in the spraying pipes, and the second pipe body and the two spraying pipes are in communication through a shunt pipe.

[0016] In some embodiments, a water collecting tank is arranged at the lower end of the first spraying area and the second spraying area in communication, a screen is arranged inside the water collecting tank, and a drainage opening is formed at the lower end of the water collecting tank.

[0017] In some embodiments, the processing mechanism further includes a cleaning end, the cleaning end includes a motor, a shaft body and a frame; the motor is installed at the lower end of the reaction box, the output end of the motor is connected with the shaft body, one end of the shaft body extends into the flow-through area, and two frames are connected with the outer periphery of the shaft body, and a third filter screen is installed on each of the two frames.

[0018] In some embodiments, the frame away from the shaft body is provided with a scraping blade for cleaning the first air hole and the second air hole.

[0019] In some embodiments, the water tank is provided with a water inlet and a water outlet, and the water inlet and the water outlet are provided with sealing covers.

[0020] Compared with the prior art, the waste gas treatment device of the regenerated polyester bubble material granulator provided by the utility model, wherein the waste gas enters the inside of the reaction box through the air inlet, and enters the inside of the air inlet cavity from the air inlet, and the waste gas is primarily purified through the purification end, then the waste gas enters the air inlet cavity from the first air inlet, and passes through the first spraying area, at this time, the neutralizing liquid in the water tank is extracted through the water extraction end, and the waste gas in the first spraying area is sprayed and purified through the spraying end, the waste gas flows from the first spraying area, enters the flow-through area, and finally enters the second spraying area, is secondarily sprayed through the spraying liquid, and finally enters the air outlet cavity from the second spraying area, and is finally discharged outward from the air outlet. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the overall development schematic view of the waste gas treatment device of the regenerated polyester bubble material granulator provided by the utility model embodiment;

[0022] Figure 2 is the bottom view of the waste gas treatment device of the regenerated polyester bubble material granulator provided by the utility model embodiment;

[0023] Figure 3 is the inside schematic view of the reaction box of the waste gas treatment device of the regenerated polyester bubble material granulator provided by the utility model embodiment;

[0024] Figure 4 is the inside schematic view of the flow-through area of the waste gas treatment device of the regenerated polyester bubble material granulator provided by the utility model embodiment.

[0025] The drawings are explained as follows: 1, reaction box;11, air inlet;12, air outlet;2, mounting plate;21, air inlet cavity;211, first air inlet;22, air outlet cavity;212, second air inlet;23, purification end;231, first filter screen;232, second filter screen;3, enclosing plate;31, first spraying area;311, first air deflector;32, second spraying area;321, second air deflector;33, first air hole;34, second air hole;35, flow-through area;4, processing mechanism;41, water tank;42, water extraction end;421, water pump;422, first pipe body;423, second pipe body;43, spraying end;431, spraying pipe;432, spraying port;44, water accumulation tank;441, screen;442, drain port;45, cleaning end;451, motor;452, shaft body;453, frame body;4531, third filter screen;4532, scraper. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0027] In order to solve the technical problem that the existing waste gas treatment device, the waste gas stays in the device for a short time, the waste gas cannot be fully contacted with the neutralizing liquid, which invisibly reduces the working efficiency of the waste gas device, the utility model provides a waste gas treatment device of regenerated polyester bubble material granulator, which can prolong the residence time of waste gas in the reaction box, make the waste gas fully contact with the neutralizing liquid, thereby improving the treatment efficiency of the reaction box to waste gas.

[0028] It should be noted that the waste gas treatment device of regenerated polyester bubble material granulator is used in but not limited to waste gas purification field, in order to facilitate the description, in the utility model, only the waste gas treatment device of regenerated polyester bubble material granulator is applied to waste gas purification field as an example for description, and the principle of the waste gas treatment device of regenerated polyester bubble material granulator applied to other types of equipment is substantially same with the principle applied to waste gas purification field, which is not described here.

[0029] Please refer to Figure 1 , Figure 1 It is the structure diagram of the waste gas treatment device of regenerated polyester bubble material granulator in an embodiment of the utility model, the waste gas treatment device of regenerated polyester bubble material granulator, including reaction box 1, mounting plate 2, enclosing plate 3 and processing mechanism 4, the both sides of reaction box 1 are respectively provided with coaxial air inlet 11 and air outlet 12;Mounting plate 2 is arranged in the inside of reaction box 1, and forms a air inlet chamber 21 and air outlet chamber 22 in the inside of reaction box 1, and first air port 211 and second air port 212 are respectively arranged on air inlet chamber 21 and air outlet chamber 22;Purification end 23 is arranged in the inside of air inlet chamber 21 and air outlet chamber 22;Enclosing plate 3 is installed in reaction box 1, and forms the first spray area 31, second spray area 32 and flow-through area 35 that are interconnected with mounting plate 2;Processing mechanism 4 includes water tank 41, water pumping end 42 and spray end 43;Water tank 41 is installed outside reaction box 1, one end of water pumping end 42 is communicated with water tank 41, the other end is communicated with spray end 43, and spray end 43 is used to spray the waste gas flowing through first spray area 31 and second spray area 32.

[0030] In the embodiment, the waste gas enters the inside of the reaction box 1 through the air inlet 11, and enters the inside of the air inlet cavity 21 from the air inlet 11, and is primarily purified by the purification end 23, and then the waste gas enters the air inlet cavity 21 from the first air inlet 211, and passes through the first spraying area 31, at this time, the neutralizing liquid in the water tank 41 is extracted by the water extraction end 42, and the waste gas in the first spraying area 31 is sprayed and purified by the spraying end 43, the waste gas flows from the first spraying area 31, enters the flow-through area 35, and finally enters the second spraying area 32, is secondarily sprayed by the spraying liquid, and finally enters the inside of the air outlet cavity 22 from the second spraying area 32, and is finally discharged outward from the air outlet 12.

[0031] In one of the embodiments, referring to Figure 2 , in order to improve the purification efficiency of the purification end 23, the purification end 23 comprises a first filter screen 231 and a second filter screen 232; the first filter screen 231 is installed in the air inlet cavity 21, and the second filter screen 232 is installed in the air outlet cavity 22.

[0032] In the embodiment, when the waste gas enters the inside of the air inlet cavity 21, the waste gas is in contact with the first filter screen 231, and the waste gas is primarily purified by the first filter screen 231, and then when the waste gas enters the air outlet cavity 22, the waste gas is in contact with the second filter screen 232, and the waste gas is finally purified.

[0033] In one of the embodiments, referring to Figure 1 , Figure 3 and Figure 4 , in order to improve the treatment effect of the waste gas, a plurality of first air deflectors 311 are arranged in the first spraying area 31, a plurality of second air deflectors 321 are arranged in the second spraying area 32, the number of the enclosing plates 3 is two, a plurality of first air holes 33 and a plurality of second air holes 34 are respectively formed in the two enclosing plates 3, the first air holes 33 and the second air holes 34 make the first spraying area 31, the second spraying area 32 and the flow-through area 35 communicate with each other, the water extraction end 42 comprises a water pump 421, a first pipe body 422 and a second pipe body 423; the output end of the water pump 421 is connected with the first pipe body 422, one end of the first pipe body 422 extends into the water tank 41, the drainage end of the water pump 421 is connected with the second pipe body 423, the distal end of the second pipe body 423 communicates with the spraying end 43, the spraying end 43 comprises two spraying pipes 431; the two spraying pipes 431 are arranged on the top of the reaction box 1, a plurality of spraying openings 432 are formed in the spraying pipes 431, the second pipe body 423 and the two spraying pipes 431 communicate through a shunt pipe, the lower ends of the first spraying area 31 and the second spraying area 32 are communicatively provided with a water collecting tank 44, a screen 441 is arranged in the water collecting tank 44, and a drainage opening 442 is formed in the lower end of the water collecting tank 44.

[0034] In the embodiment, the first air deflector 311 is arranged in the first spraying area 31, the second air deflector 321 is arranged in the second spraying area 32, the floating time of the gas in the first spraying area 31 and the second spraying area 32 is prolonged by the first air deflectors 311 and the second air deflectors 321, the reaction time of the exhaust gas and the neutralizing liquid is prolonged, and the purification efficiency of the neutralizing liquid is improved. In addition, the first air hole 33 and the second air hole 34 are arranged on the two enclosing plates 3, the neutralizing liquid in the water tank 41 is pumped out by the water pump 421 and the first pipe body 422, the liquid is poured into the spraying pipe 431 by the second pipe body 423, the second pipe body 423 and the spraying pipe 431 are communicated by the shunt pipe, the neutralizing liquid is sprayed into the first spraying area 31 and the second spraying area 32 by the two spraying pipes 431, the filtering effect of the gas is achieved, and the liquid in the first spraying area 31 and the second spraying area 32 flows into the sump tank 44 at the lower end of the reaction tank 1. The screen 441 is arranged in the sump tank 44, the large-particle impurities in the liquid are screened, and the blockage of the drain hole 442 is avoided.

[0035] In one of the embodiments, please refer to Figure 1 、 Figure 3 and Figure 4 , the processing mechanism 4 further includes a cleaning end 45, the cleaning end 45 includes a motor 451, a shaft body 452 and a frame body 453; the motor 451 is installed at the lower end of the reaction tank 1, the output end of the motor 451 is connected with the shaft body 452, one end of the shaft body 452 extends into the flow-through area 35, and the outer periphery of the shaft body 452 is connected with two frame bodies 453, the third filter screen 4531 is installed on the two frame bodies 453, the scraping piece 4532 for cleaning the first air hole 33 and the second air hole 34 is arranged at the end of the frame body 453 away from the shaft body 452, the water inlet and the water outlet are arranged on the water tank 41, and the sealing covers are arranged on the water inlet and the water outlet.

[0036] In the embodiment, the shaft body 452 is arranged in the flow area 35 and drives the two frame bodies 453 to rotate synchronously during rotation of the shaft body 452. Since the middle part of the frame body 453 is a hollow structure and the third filter screen 4531 is arranged in the hollow structure, the third filter screen 4531 can filter the exhaust gas again. The scraping piece 4532 is arranged at the end of the frame body 453 away from the shaft body 452, and the scraping piece 4532 is provided with a brush. The scraping piece 4532 and the brush can clean the first air hole 33 and the second air hole 34, so that the blockage is avoided and the normal flow of the gas is ensured. The water inlet and the water outlet are arranged on the water tank 41, so that the neutralizing liquid can be added to the water tank 41 and discharged. The first filter screen 231, the second filter screen 232 and the third filter screen 4531 are all activated carbon screen plates.

[0037] In order to better understand the present application, the following will be described in combination with Figures 1 to 4 The technical scheme of the present application is described in detail as follows: After the exhaust gas enters the reaction box 1 from the air inlet 11 and enters the air inlet cavity 21, the exhaust gas is filtered once by the first filter screen 231, then enters the first spraying area 31 through the first air hole 211, the floating time of the exhaust gas in the first spraying area 31 is prolonged by the first air baffle 311, the neutralizing liquid in the water tank 41 is extracted by cooperation of the water pump 421 and the first pipe body 422, and the exhaust gas in the first spraying area 31 is sprayed and neutralized by the spraying port 432 through cooperation of the second pipe body 423 and the spraying pipe 431. The exhaust gas after once spraying enters the flow area 35 from the first air hole 33, and then enters the second spraying area 32 from the second air hole 34 after penetrating the third filter screen 4531. The exhaust gas is sprayed twice by the spraying port 432, then enters the air outlet cavity 22 from the second air hole 212, is filtered by the second filter screen 232, and is finally discharged from the air outlet 12. During long-time use of the device, the first air hole 33 and the second air hole 34 may be blocked. At this time, the motor 451 is started, the shaft body 452 is driven to rotate by the motor 451, and the scraping piece 4532 on the shaft body 452 cleans the first air hole 33 and the second air hole 34, so that the blockage of the first air hole 33 and the second air hole 34 is avoided.

[0038] The specific embodiments of the present application described above do not constitute a limitation on the protection scope of the present application. Any various other corresponding changes and modifications made according to the technical concept of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A waste gas treatment device for a regenerative polyester bead prilling machine, characterized by, The utility model relates to a processing mechanism for waste gas, comprising: a reaction box with coaxial air inlet and air outlet on two sides; a mounting plate arranged inside the reaction box to form an air inlet cavity and an air outlet cavity, with first air inlet and second air inlet on the air inlet cavity and the air outlet cavity respectively, and a purification end inside the air inlet cavity and the air outlet cavity; a surrounding plate arranged inside the reaction box to form a first spraying area, a second spraying area and a flow-through area in communication with the mounting plate; a processing mechanism including a water tank, a water pumping end and a spraying end, the water pumping end in communication with the water tank at one end and the spraying end at the other end, and the spraying end for spraying waste gas flowing through the first spraying area and the second spraying area.

2. A waste gas treatment device of a regenerated polyester bubble granulator according to claim 1, characterized in that: The purification end includes a first filter screen and a second filter screen, the first filter screen arranged inside the air inlet cavity and the second filter screen arranged inside the air outlet cavity.

3. A waste gas treatment device of a regenerated polyester bubble granulator according to claim 1, characterized in that: The first spraying area is provided with a plurality of first air deflectors, and the second spraying area is provided with a plurality of second air deflectors.

4. A waste gas treatment device of a regenerated polyester bubble granulator according to claim 1, characterized in that: The surrounding plate is provided with a plurality of first air holes and a plurality of second air holes, and the first air holes and the second air holes are in communication with the first spraying area, the second spraying area and the flow-through area.

5. A waste gas treatment device of a regenerated polyester bubble granulator according to claim 1, characterized in that: The water pumping end includes a water pump, a first pipe and a second pipe, the output end of the water pump connected with the first pipe, the first pipe extended into the water tank at one end, and the water discharge end of the water pump connected with the second pipe, the second pipe in communication with the spraying end at the end.

6. A waste gas treatment device of a regenerated polyester bubble granulator according to claim 5, characterized in that: The spraying end includes two spraying pipes arranged on the top of the reaction box, and the spraying pipes are provided with a plurality of spraying openings, and the second pipe in communication with the two spraying pipes through a shunt pipe.

7. A waste gas treatment device of a regenerated polyester bubble granulator according to claim 5, characterized in that: The lower end of the first spraying area and the second spraying area is provided with a water collecting tank, the water collecting tank is provided with a screen, and the lower end of the water collecting tank is provided with a water outlet.

8. A waste gas treatment device of a regenerated polyester bubble granulator according to claim 4, characterized in that: The processing mechanism further includes a cleaning end, the cleaning end including a motor, a shaft and a frame, the motor arranged at the lower end of the reaction box, the output end of the motor connected with the shaft, the shaft extended into the flow-through area at one end, and the shaft connected with two frames at the outer periphery, and the two frames are provided with a third filter screen.

9. A waste gas treatment device of a regenerated polyester bubble prilling machine according to claim 8, characterized in that: The frame is provided with a scraping blade for cleaning the first air holes and the second air holes at the end away from the shaft.

10. A waste gas treatment device of a regenerated polyester bubble granulator according to claim 1, characterized in that: The water tank is provided with a water inlet and a water outlet, and the water inlet and the water outlet are provided with a sealing cover.

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