Industrial waste gas and dust harmless treatment device and treatment method thereof

Abstract

This invention discloses an industrial waste gas and dust harmless treatment device and method, belonging to the field of waste gas and dust treatment technology. It includes a coarse treatment mechanism and a fine treatment mechanism. The coarse treatment mechanism includes a storage tank, an air inlet box fixedly connected to the top of the storage tank, an air inlet cylinder fixedly connected to the bottom of the air inlet box, a first blower fixedly connected inside the air inlet cylinder, an air inlet frame fixedly connected to the surface of the air inlet end of the air inlet box, a filter screen fixedly connected inside the air inlet frame, and two first spray pipes fixedly connected inside the air inlet box. Multiple spray heads are fixedly connected to the surface of the first spray pipes. The fine treatment mechanism includes a reaction tank disposed on one side of the storage tank, and a collection hopper fixedly connected to the bottom of the reaction tank. This invention achieves harmless treatment of waste gas and dust, reduces the probability of dust blockage, and has high maintenance efficiency.

Description

Technical Field

[0001] This invention relates to the field of waste gas and dust treatment technology, and more specifically, to an industrial waste gas and dust harmless treatment device and treatment method. Background Technology

[0002] Dust accumulates in the internal environment of some factories, which not only has a significant impact on the health of workers but also pollutes the air. Dust removal work is usually carried out. Traditional dust removal methods have fixed dust removal areas, which are inconvenient and inflexible in larger factories. Manual water mist spraying is often used for dust removal, but relying solely on manual labor is labor-intensive, inefficient, and the dust removal effect is poor and insufficient.

[0003] Traditional spray towers suffer from incomplete dust removal and easy clogging under sticky or high-concentration dust conditions. While some publicly available solutions integrate filters, iron removers, high-voltage adsorption electric fields, and water filtration, they are specifically designed for ferromagnetic and rusty dust, have weak versatility, and the high-voltage electric field consumes a lot of energy and requires frequent maintenance. Other solutions rely on single-stage washing with blade separators and L-shaped demisters, which are only suitable for ammonium nitrate dust and lack synergistic and fine filtration of organic waste gas. Summary of the Invention

[0004] In view of the problems existing in the prior art, the purpose of this invention is to provide an industrial waste gas and dust harmless treatment device and treatment method. This invention can not only achieve harmless treatment of waste gas and dust, but also reduce the probability of dust blockage and has high maintenance efficiency.

[0005] To solve the above problems, the present invention adopts the following technical solution:

[0006] An industrial waste gas and dust harmless treatment device includes: a coarse treatment mechanism and a fine treatment mechanism. The coarse treatment mechanism includes a liquid storage tank, an air inlet box fixedly connected to the top of the liquid storage tank, an air inlet cylinder fixedly connected to the bottom of the air inlet box, a first blower fixedly connected inside the air inlet cylinder, an air inlet frame fixedly connected to the surface of the air inlet end of the air inlet box, a filter screen fixedly connected inside the air inlet frame, and two first spray pipes fixedly connected inside the air inlet box, with multiple spray heads fixedly connected to the surface of the first spray pipes.

[0007] The fine treatment mechanism includes a reaction chamber disposed on one side of a storage tank. A collection hopper is fixedly connected to the bottom of the reaction chamber, and an exhaust pipe is fixedly connected to one side of the collection hopper. A maintenance cover is snapped onto the top of the reaction chamber. Multiple frames are fixedly connected inside the reaction chamber, and filter sleeves are fitted onto the outer surfaces of the frames. An inclined hopper is fixedly connected to the top of the frames. Multiple second spray pipes are fixedly connected inside the reaction chamber and outside the frames. A storage tank for supplying liquid to the multiple second spray pipes is fixedly connected to the surface of the reaction chamber. A second blower is fixedly connected to the bottom of the collection hopper. As a preferred embodiment of the invention, an air guide pipe is fixedly connected to the side of the air inlet cylinder, and the air guide pipe communicates with the upper surface of the reaction chamber.

[0008] As a preferred embodiment of the present invention, a cleaning scraper is slidably connected to one side of the outer side of the filter screen, and a wave groove is formed on the surface of the air intake frame and the surface located inside the cleaning scraper. A striking plate for impacting the filter screen is slidably connected to the surface of the wave groove.

[0009] In a preferred embodiment of the present invention, a first threaded rod is rotatably connected to the surface of the air intake frame, and a cleaning scraper is threadedly connected to the surface of the filter sleeve. A second threaded rod is rotatably connected to the surface of the air intake frame, and an internal threaded block is threadedly connected to the surface of the second threaded rod. A striking plate is slidably connected to the surface of the internal threaded block.

[0010] In a preferred embodiment of the present invention, a first servo motor is fixedly connected to the surface of the air intake frame, and the output shaft of the first servo motor is fixedly connected to a second threaded rod. Synchronous gears are fixedly connected to the surfaces of both the second threaded rod and the first threaded rod, and the two synchronous gears mesh.

[0011] In a preferred embodiment of the present invention, a booster pump is fixedly connected to the surface of the liquid storage tank, a delivery pipe is fixedly connected to the surface of the liquid outlet end of the booster pump, and the delivery pipe is connected to two first spray pipes. A drain valve is fixedly connected to the surface of the liquid storage tank.

[0012] In a preferred embodiment of the present invention, a waste residue box is fixedly connected to the surface of the liquid storage tank, a snap-fit ​​tray is fixedly connected to the surface of the waste residue box, a filter frame is snapped onto the surface of the snap-fit ​​tray, and a guide bucket is snapped onto the surface of the snap-fit ​​tray and above the filter frame.

[0013] In a preferred embodiment of the present invention, the surface of the reaction chamber is rotatably connected to a plurality of rotating parts, the surface of the inspection cover is fixedly connected to a plurality of reinforcing parts respectively adapted to the plurality of rotating parts, and the surface of the rotating parts is threadedly connected to a locking part for limiting the reinforcing parts.

[0014] In a preferred embodiment of the present invention, a discharge box is fixedly connected to the air outlet end of the second blower, a discharge paddle is rotatably connected inside the discharge box, and a second servo motor for driving the discharge paddle is fixedly connected to the surface of the discharge box.

[0015] A method for treating industrial waste gas and dust using a harmless treatment device includes the following steps:

[0016] In the initial state, the storage tank is pre-filled with alkaline or neutral circulating washing liquid, the filter frame is snapped into place in the waste residue box, the inspection cover on the top of the reaction box is fastened by rotating parts, reinforcing parts and locking parts, the filter sleeve is fitted on the outer surface of the frame and installed in the reaction box, the second spray pipe is connected to the storage tank, and the second blower at the bottom of the collection hopper is connected to the discharge box.

[0017] When dust-laden exhaust gas enters the system, it first reaches the coarse treatment unit. The filter screen at the air inlet frame intercepts hair and large particles of debris. The first blower draws gas into the air inlet box through the air inlet cylinder. At the same time, the booster pump pressurizes the liquid in the storage tank and delivers it to the first spray pipe through the liquid delivery pipe. The liquid is atomized and sprayed out by the spray head, and comes into contact with the rising airflow in the opposite direction. The soluble gaseous pollutants and most of the dust are removed by inertial collision, gravity settling and partial chemical neutralization, forming a moist airflow containing fine particles.

[0018] During this process, the first servo motor drives the first threaded rod and the second threaded rod through synchronous gears to drive the cleaning scraper to scrape the surface of the filter screen. The striking plate hits the screen frame along the wave groove under the action of the inner threaded block, vibrating and peeling off the sticky dust, ensuring that the coarse treatment is continuously transparent.

[0019] After coarse treatment, the exhaust gas enters the fine treatment mechanism from the top of the reaction box through the gas guide pipe. The gas passes through the spray area of ​​the second spray pipe from top to bottom. The storage tank supplies fresh treatment liquid for further washing. Then, it undergoes deep physical interception through the filter sleeve supported by the skeleton. Tiny particles are trapped on the outer surface of the filter sleeve. The purified gas flows into the tilting bucket and is discharged through the exhaust pipe to the collection bucket.

[0020] The dust trapped by the filter sleeve falls into the collection hopper after being sprayed and moistened. The second blower blows it into the discharge box, and the second servo motor drives the discharge paddle to discharge and collect the powder. The waste liquid generated by the coarse treatment carries the slag into the waste slag box, and is guided by the guide bucket to the filter frame to achieve solid-liquid separation. The clear liquid is returned to the storage tank, and the sludge is removed periodically.

[0021] Compared with the prior art, the advantages of this invention are:

[0022] (1) This invention uses the filter screen of the air inlet frame in the coarse treatment mechanism to intercept the air first, and then uses the spray head of the first spray pipe to spray and clean it. The cleaning scraper, impact plate, wave groove, first threaded rod, second threaded rod, synchronous gear and first servo motor form an automatic vibration and scraping, which completely solves the problem of clogging in the spray tower. The liquid storage tank is circulated through the booster pump and the liquid discharge valve and the filter frame of the waste residue box realize the separation of slag and water, which is more water-saving and continuous than the Suzhou Xiujie patent. The skeleton filter sleeve of the fine treatment mechanism provides a large specific surface area for fine filtration. The second spray pipe is cleaned, and the collection bucket and the second blower collect and discharge powder. The inspection cover is quick-opening for easy maintenance. The whole does not require a high voltage electric field or complex cyclone heat recovery. It is simple to manufacture, has low energy consumption, and the emissions are better than the limits of inefficient technology. The air guide pipe introduces the coarse treatment moisture into the upper part of the reaction box to form a co-current spray filtration, which avoids the filter sleeve from drying and caking. The tilting bucket recovers the liquid, and the liquid storage tank independently supplies liquid to ensure the concentration of the reagent. It is widely applicable to various industrial scenarios.

[0023] (2) This invention uses a closed conveying system via the second servo motor of the discharge paddle in the discharge box to prevent unorganized emissions. Compared with single-stage washing of ammonium nitrate or Dalian greywater plug-in plate, the filter sleeve in this solution can be quickly replaced by the maintenance cover. The filter frame cleaning of the clip plate is time-saving. The synchronous gear single motor double rod drive reduces costs. The waste residue box guide bucket clip plate makes the filter residue collect in an orderly manner and prevents secondary flying. The maintenance cover on the top of the reaction box is evenly stressed and the locking parts prevent loosening. The overall device structure is simple and reliable. It does not require a high-voltage electric field or complex cyclone heat recovery. Manufacturing ensures controllable costs. The purified gas can be directly discharged in compliance with standards. It is in line with the national promotion of dust removal and denitrification synergy and other technologies. It provides an optimal solution for the harmless treatment of industrial waste gas dust. While achieving environmental benefits, it significantly reduces operating costs through circulating liquid circuit and automatic cleaning. It has significant industrial value and promotion prospects. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of an industrial waste gas and dust harmless treatment device according to the present invention. Figure 2 This is a schematic diagram of the coarse treatment mechanism in an industrial waste gas and dust harmless treatment device of the present invention; Figure 3 This is a partial schematic diagram of the coarse treatment mechanism in an industrial waste gas and dust harmless treatment device of the present invention. Figure 4 This is a partial schematic diagram of the coarse treatment mechanism in an industrial waste gas and dust harmless treatment device of the present invention. Figure 5 This is a partial schematic diagram of the coarse treatment mechanism in an industrial waste gas and dust harmless treatment device of the present invention. Figure 6 This is a cross-sectional view of the fine treatment mechanism in an industrial waste gas and dust harmless treatment device of the present invention. Figure 7 This invention relates to an industrial waste gas and dust harmless treatment device. Figure 6 Enlarged view of the local structure at point A in the middle; Figure 8This is a partial structural diagram of the fine treatment mechanism in an industrial waste gas and dust harmless treatment device of the present invention. Figure 9 This is a partial structural diagram of the fine treatment mechanism in an industrial waste gas and dust harmless treatment device of the present invention.

[0025] The meanings of the markings in the diagram are explained as follows: 1. Coarse treatment mechanism; 101. Liquid storage tank; 102. Air inlet box; 103. Air inlet cylinder; 104. First blower; 105. Air guide pipe; 106. Air inlet frame; 107. Filter screen; 108. Cleaning scraper; 109. First threaded rod; 110. Corrugated groove; 111. Impact plate; 112. Second threaded rod; 113. Internal threaded block; 114. Synchronous gear; 115. First servo motor; 116. Drain valve; 117. First spray pipe; 118. Spray head; 11 9. Infusion tube; 120. Booster pump; 121. Waste residue bin; 122. Clip-on tray; 123. Filter frame; 124. Guide hopper; 2. Fine treatment mechanism; 201. Reaction chamber; 202. Collection hopper; 203. Inspection cover; 204. Rotating component; 205. Reinforcing component; 206. Locking component; 207. Frame; 208. Filter sleeve; 209. Inclined hopper; 210. Second spray pipe; 211. Second blower; 212. Discharge box; 213. Discharge paddle; 214. Second servo motor; 215. Storage tank. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0027] Example:

[0028] Please see Figure 1-9 An industrial waste gas and dust harmless treatment device includes: a coarse treatment mechanism 1 and a fine treatment mechanism 2. The coarse treatment mechanism 1 includes a storage tank 101. An air inlet box 102 is fixedly connected to the top of the storage tank 101. An air inlet cylinder 103 is fixedly connected to the bottom of the air inlet box 102. A first blower 104 is fixedly connected inside the air inlet cylinder 103. An air inlet frame 106 is fixedly connected to the surface of the air inlet end of the air inlet box 102. A filter screen 107 is fixedly connected inside the air inlet box 102. Two first spray pipes 117 are fixedly connected inside the air inlet box 102. Multiple spray heads 118 are fixedly connected to the surface of the first spray pipes 117.

[0029] The fine treatment mechanism 2 includes a reaction chamber 201 disposed on one side of the storage tank 101. A collection hopper 202 is fixedly connected to the bottom of the reaction chamber 201. An exhaust pipe is fixedly connected to one side of the surface of the collection hopper 202. An inspection cover 203 is snapped onto the top of the reaction chamber 201. Multiple frames 207 are fixedly connected inside the reaction chamber 201. A filter sleeve 208 is fitted on the outer surface of the frame 207. An inclined bucket 209 is fixedly connected to the top of the frame 207. Multiple second spray pipes 210 are fixedly connected inside the reaction chamber 201 and outside the frame 207. A storage tank 215 for supplying liquid to the multiple second spray pipes 210 is fixedly connected to the surface of the reaction chamber 201. A second blower 211 is fixedly connected to the bottom of the collection hopper 202.

[0030] In a specific embodiment of the present invention, industrial waste gas first enters the coarse treatment unit 1 through the inlet end of the inlet box 102 and the inlet frame 106. The filter screen 107 inside the inlet frame 106 initially intercepts large dust particles in the gas. At the same time, the first blower 104 inside the inlet cylinder 103 at the bottom of the inlet box 102 at the top of the storage tank 101 provides power to make the gas rise. The first spray pipe 117 and the spray head 118 spray out the circulating liquid in the storage tank 101 to spray and wash the waste gas, removing some soluble gases and dust, thus forming coarse treatment. Subsequently, the gas enters the reaction box 201 of the fine treatment unit 2 through the gas guide pipe 105. The filter sleeve 208 on the outer surface of the internal frame 207 of the reaction box 201 performs fine filtration of the gas. The second spray pipe 210 passes through the storage tank. The 215 liquid supply further sprays and purifies the gas. After purification, the gas is discharged through the exhaust pipe on one side of the collection hopper 202. The second blower 211 at the bottom of the collection hopper 202 assists in material collection. Through the two-stage setting of the coarse treatment mechanism 1 and the fine treatment mechanism 2, the gas is first sprayed and washed, and then finely filtered by the filter sleeve 208, which significantly improves the dust removal efficiency of the exhaust gas. The separate design of the liquid storage tank 101 and the reaction tank 201 facilitates maintenance. The filter screen 107 and the first spray pipe 117 are combined to achieve preliminary purification and reduce the load of fine treatment. The frame 207 supports the filter sleeve 208, increases the filtration area, and facilitates replacement. The tilting hopper 209 guides the liquid backflow. The second blower 211 avoids dust accumulation. The overall structure is compact and has a good treatment effect. It is suitable for various industrial exhaust gas and dust harmless treatment scenarios and overcomes the problem of low efficiency of single wet dust removal.

[0031] Specifically, a gas guide pipe 105 is fixedly connected to the side of the air inlet 103, and the gas guide pipe 105 is connected to the upper part of the surface of the reaction chamber 201.

[0032] In a specific embodiment of the present invention, the humid waste gas, after being sprayed by the top air inlet box 102 and the first spray pipe 117 of the storage tank 101 in the coarse treatment mechanism 1, enters the air inlet cylinder 103 by the thrust of the first blower 104, and is then guided to the surface above the reaction box 201 of the fine treatment mechanism 2 through the side air guide pipe 105. This allows the gas to pass evenly downward from the top of the reaction box 201 through the filter sleeve 208 of the filter frame 207 and the spray area of ​​the second spray pipe 210, forming a top-down flow field. This avoids the gas from directly entering from the bottom and causing local puncture of the filter sleeve 208. The orientation design of the air guide pipe 105 optimizes the gas path, allowing for efficient connection between the coarse treatment outlet and the fine treatment inlet, reducing pipe bend resistance, ensuring uniform airflow distribution in the reaction box 201, and improving the overall utilization rate of the filter sleeve 208 on the frame 207. Compared with the traditional direct access method, this reduces energy consumption and improves purification stability. Moreover, the structure is simple and easy to seal, preventing unorganized leakage and meeting the requirements for closed collection.

[0033] Specifically, a cleaning scraper 108 is slidably connected to one side of the outer side of the filter screen 107, and a wave groove 110 is formed on the surface of the air intake frame 106 and the surface located inside the cleaning scraper 108. A striking plate 111 for impacting the filter screen 107 is slidably connected to the surface of the wave groove 110.

[0034] In a specific embodiment of the present invention, during the operation of the coarse treatment mechanism 1, the filter screen 107 intercepts and gradually accumulates dust. The cleaning scraper 108 slides along the outer surface of the filter screen 107 to scrape off the surface clumps. At the same time, the striking plate 111 is constrained by the contour of the wave groove 110, resulting in reciprocating displacement and swaying. It periodically impacts the frame of the filter screen 107, causing the screen to vibrate and shake off the deep-seated dust. The two work together to keep the mesh openings clear. This mechanical self-cleaning design eliminates the need for manual disassembly and cleaning, ensures continuous air permeability of the air intake frame 106, solves the problem of easy clogging in traditional spray washing equipment, extends the life of the filter screen 107, and the deflection guidance of the wave groove 110 makes the impact frequency controllable, avoids rigid impact damage, improves the continuous operation capability of the coarse treatment mechanism 1, and lays the foundation for stable air supply to the subsequent fine treatment mechanism 2.

[0035] Specifically, the surface of the air intake frame 106 is rotatably connected to a first threaded rod 109, and the cleaning scraper 108 is threadedly connected to the surface of the filter sleeve 208. The surface of the air intake frame 106 is rotatably connected to a second threaded rod 112, the surface of the second threaded rod 112 is threadedly connected to an internal threaded block 113, and the striking plate 111 is slidably connected to the surface of the internal threaded block 113.

[0036] In a specific embodiment of the present invention, the first threaded rod 109 rotates to drive the cleaning scraper 108 to scrape the filter screen 107 in a straight line. The second threaded rod 112 rotates to drive the internal threaded block 113 to translate, thereby causing the striking plate 111 to slide and impact in the wave groove 110. The threaded transmission converts the rotary motion into precise displacement, so that the scraper and the striking plate 111 are accurately positioned. The first threaded rod 109 and the second threaded rod 112 are used to realize the controllable drive of the automatic dust removal component. Compared with pneumatic or manual operation, it is more resistant to high temperature and high humidity, has a simple structure and low cost. The separate placement of the first threaded rod 109 and the second threaded rod 112 ensures that the scraping and vibration are independently adjustable, improves the cleaning coverage of the filter screen 107, reduces the failure rate of the coarse treatment mechanism 1, and ensures the suction efficiency of the first blower 104.

[0037] Specifically, a first servo motor 115 is fixedly connected to the surface of the air intake frame 106, and the output shaft of the first servo motor 115 is fixedly connected to the second threaded rod 112. Synchronous gears 114 are fixedly connected to the surfaces of the second threaded rod 112 and the first threaded rod 109, and the two synchronous gears 114 mesh.

[0038] In a specific embodiment of the present invention, the first servo motor 115 drives the second threaded rod 112 to rotate, and the first threaded rod 109 rotates synchronously through the meshing transmission of the synchronous gear 114. Thus, the cleaning scraper 108 and the striking plate 111 coordinate their actions under the drive of a single motor, matching the scraping and rapping rhythms. The synchronous drive of the first servo motor 115 simplifies the electrical control system, saves energy, and avoids mechanical interference caused by the asynchrony of multiple motors. The servo control allows for adjustable speed to adapt to different dust concentrations, improving the intelligence level of the coarse treatment mechanism 1, reducing maintenance points, enhancing reliability, and significantly reducing manufacturing costs and floor space compared to multi-power source equipment.

[0039] Specifically, a booster pump 120 is fixedly connected to the surface of the storage tank 101, and a delivery pipe 119 is fixedly connected to the surface of the outlet end of the booster pump 120. The delivery pipe 119 is connected to two first spray pipes 117, and a drain valve 116 is fixedly connected to the surface of the storage tank 101.

[0040] In a specific embodiment of the present invention, the booster pump 120 draws circulating liquid from the storage tank 101 and sends it through the delivery pipe 119 to two first spray pipes 117 and spray heads 118 for spraying. After the droplets capture dust, they fall back into the storage tank 101 for sedimentation and circulation. The drain valve 116 is opened periodically to discharge sludge, forming a closed liquid circuit to save water resources. The booster pump 120 ensures uniform spray pressure, and the drain valve 116 facilitates cleaning of the storage tank 101. Compared with the DC water supply system, it greatly reduces energy consumption. In addition, the storage tank 101 also serves as a sedimentation tank, simplifying the structure of the coarse treatment mechanism 1 and improving the utilization rate and environmental friendliness of the washing liquid.

[0041] Specifically, a waste residue box 121 is fixedly connected to the surface of the liquid storage tank 101, a snap-fit ​​tray 122 is fixedly connected to the surface of the waste residue box 121, a filter frame 123 is snapped onto the surface of the snap-fit ​​tray 122, and a guide bucket 124 is snapped onto the surface of the snap-fit ​​tray 122 and above the filter frame 123.

[0042] In a specific embodiment of the present invention, the waste liquid sprayed by the coarse treatment unit 1 carries dust into the waste residue box 121, and is guided by the guide bucket 124 to fall into the filter frame 123. The snap-fit ​​plate 122 supports the filter frame 123 to achieve liquid-sludge separation. The clear liquid can be reused or discharged. The modular snap-fit ​​design of the waste residue box 121 makes the filter residue easy to clean and prevents the storage tank 101 from becoming stagnant. The guide bucket 124 buffers and prevents splashing. The filter frame 123 can be quickly pulled out for rinsing, which extends the life of the booster pump 120 and the spray head 118 and improves the solid-liquid separation efficiency and operation and maintenance convenience of the entire device.

[0043] Specifically, the surface of the reaction chamber 201 is rotatably connected to multiple rotating parts 204, the surface of the inspection cover 203 is fixedly connected to multiple reinforcing parts 205 respectively adapted to the multiple rotating parts 204, and the surface of the rotating parts 204 is threadedly connected to a locking part 206 for limiting the reinforcing parts 205.

[0044] In a specific embodiment of the present invention, when it is necessary to maintain the internal frame 207 and filter sleeve 208 of the fine treatment mechanism 2, the locking member 206 is loosened to disengage the rotating member 204 from the reinforcing member 205, and the inner cavity of the reaction chamber 201 can be exposed by opening the inspection cover 203. Beneficial effects: The quick-opening inspection structure makes the replacement of the filter sleeve 208 and the cleaning of the frame 207 efficient and safe; the large engagement area between the rotating member 204 and the reinforcing member 205; and the anti-loosening locking member 206. Compared with flange bolts, this reduces labor intensity, shortens downtime, and ensures the long-term fine filtration capability of the fine treatment mechanism 2.

[0045] Specifically, the outlet end of the second blower 211 is fixedly connected to a discharge box 212, the discharge box 212 is rotatably connected to a discharge paddle 213, and the surface of the discharge box 212 is fixedly connected to a second servo motor 214 for driving the discharge paddle 213.

[0046] In a specific embodiment of the present invention, the dust settled in the collection hopper 202 of the fine processing mechanism 2 is blown to the discharge box 212 by the second blower 211. The second servo motor 214 drives the discharge paddle 213 to rotate and continuously shred the powder. The closed pneumatic conveying and screw discharge prevent the secondary dust from flying. The discharge paddle 213 outputs a quantitative amount for easy recycling at the back end. The second blower 211 balances the micro-pressure of the reaction box 201 at the same time. The whole system realizes a harmless closed loop, which is superior to the old technology of fugitive emissions.

[0047] A method for treating industrial waste gas and dust using a harmless treatment device includes:

[0048] In the initial state, the storage tank 101 is pre-filled with alkaline or neutral circulating washing liquid, the filter frame 123 is snapped into place in the waste residue box 121, the inspection cover 203 on the top of the reaction box 201 is fastened by the rotating part 204, the reinforcing part 205 and the locking part 206, the filter sleeve 208 is fitted on the outer surface of the frame 207 and installed in the reaction box 201, the second spray pipe 210 is connected to the storage tank 215, and the second blower 211 at the bottom of the collection hopper 202 is connected to the discharge box 212.

[0049] When dust-laden exhaust gas enters the system, it first reaches the coarse treatment unit 1. The filter screen 107 at the air inlet frame 106 intercepts hair and large particles of debris. The first blower 104 draws the gas into the air inlet box 102 through the air inlet cylinder 103. At the same time, the booster pump 120 pressurizes the liquid in the storage tank 101 and delivers it to the first spray pipe 117 through the liquid delivery pipe 119. The liquid is atomized and sprayed out by the spray head 118, and comes into contact with the rising airflow in the opposite direction. The soluble gaseous pollutants and most of the dust are removed by inertial collision, gravity settling and partial chemical neutralization, forming a moist airflow containing fine particles.

[0050] During this process, the first servo motor 115 is linked with the first threaded rod 109 and the second threaded rod 112 through the synchronous gear 114, driving the cleaning scraper 108 to scrape the surface of the filter screen 107. The striking plate 111 impacts the screen frame along the wave groove 110 under the action of the inner threaded block 113, vibrating and peeling off the sticky dust, ensuring that the coarse treatment is continuously transparent.

[0051] After coarse treatment, the exhaust gas enters the fine treatment mechanism 2 from above the reaction box 201 through the gas guide pipe 105. The gas passes through the spray area of ​​the second spray pipe 210 from top to bottom. The storage tank 215 supplies fresh treatment liquid for further washing. Then, it undergoes deep physical interception through the filter sleeve 208 supported by the frame 207. Tiny particles are trapped on the outer surface of the filter sleeve. The purified gas flows into the inclined bucket 209 and to the collection bucket 202 and is discharged through the exhaust pipe.

[0052] The dust trapped by the filter sleeve 208 falls into the collection hopper 202 after being sprayed and moistened. The second blower 211 blows it into the discharge box 212. The second servo motor 214 drives the discharge paddle 213 to discharge and collect the powder. The waste liquid generated by the coarse treatment carries the slag into the waste slag box 121. It is guided by the guide bucket 124 to the filter frame 123 to achieve solid-liquid separation. The clear liquid is returned to the storage tank 101, and the sludge is removed periodically.

[0053] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concept, should be covered within the scope of protection of the present invention.

Claims

1. An industrial waste gas and dust harmless treatment device, characterized in that, include: The coarse treatment mechanism (1) and the fine treatment mechanism (2) are provided. The coarse treatment mechanism (1) includes a storage tank (101). An air inlet box (102) is fixedly connected to the top of the storage tank (101). An air inlet cylinder (103) is fixedly connected to the bottom of the air inlet box (102). A first blower (104) is fixedly connected inside the air inlet cylinder (103). An air inlet frame (106) is fixedly connected to the surface of the air inlet end of the air inlet box (102). A filter screen (107) is fixedly connected inside the air inlet box (102). Two first spray pipes (117) are fixedly connected inside the air inlet box (102). Multiple spray heads (118) are fixedly connected to the surface of the first spray pipes (117). The fine processing mechanism (2) includes a reaction chamber (201) disposed on one side of the storage tank (101). A collection hopper (202) is fixedly connected to the bottom of the reaction chamber (201). An exhaust pipe is fixedly connected to one side of the collection hopper (202). An inspection cover (203) is snapped onto the top of the reaction chamber (201). Multiple frames (207) are fixedly connected inside the reaction chamber (201). A filter sleeve (208) is fitted on the outer surface of the frame (207). An inclined bucket (209) is fixedly connected to the top of the frame (207). Multiple second spray pipes (210) are fixedly connected inside the reaction chamber (201) and outside the frame (207). A storage tank (215) for supplying liquid to the multiple second spray pipes (210) is fixedly connected to the surface of the reaction chamber (201). A second blower (211) is fixedly connected to the bottom of the collection hopper (202).

2. The industrial waste gas and dust harmless treatment device according to claim 1, characterized in that, The side of the air inlet cylinder (103) is fixedly connected to a gas guide pipe (105), and the gas guide pipe (105) is connected to the upper part of the surface of the reaction chamber (201).

3. The industrial waste gas and dust harmless treatment device according to claim 2, characterized in that, A cleaning scraper (108) is slidably connected to one side of the outer side of the filter screen (107). A wave groove (110) is provided on the surface of the air intake frame (106) and the surface located inside the cleaning scraper (108). A striking plate (111) for impacting the filter screen (107) is slidably connected to the surface of the wave groove (110).

4. The industrial waste gas and dust harmless treatment device according to claim 3, characterized in that, The surface of the air intake frame (106) is rotatably connected to a first threaded rod (109), and the cleaning scraper (108) is threadedly connected to the surface of the filter sleeve (208). The surface of the air intake frame (106) is rotatably connected to a second threaded rod (112), the surface of the second threaded rod (112) is threadedly connected to an internal threaded block (113), and the striking plate (111) is slidably connected to the surface of the internal threaded block (113).

5. The industrial waste gas and dust harmless treatment device according to claim 4, characterized in that, The surface of the air intake frame (106) is fixedly connected to a first servo motor (115), and the output shaft of the first servo motor (115) is fixedly connected to a second threaded rod (112). The surfaces of the second threaded rod (112) and the first threaded rod (109) are both fixedly connected to synchronous gears (114), and the two synchronous gears (114) mesh.

6. The industrial waste gas and dust harmless treatment device according to claim 5, characterized in that, A booster pump (120) is fixedly connected to the surface of the liquid storage tank (101). A delivery pipe (119) is fixedly connected to the surface of the liquid outlet of the booster pump (120), and the delivery pipe (119) is connected to two first spray pipes (117). A drain valve (116) is fixedly connected to the surface of the liquid storage tank (101).

7. The industrial waste gas and dust harmless treatment device according to claim 6, characterized in that, The surface of the liquid storage tank (101) is fixedly connected to a waste residue box (121), the surface of the waste residue box (121) is fixedly connected to a snap-fit ​​tray (122), the surface of the snap-fit ​​tray (122) is snapped with a filter frame (123), and the surface of the snap-fit ​​tray (122) and above the filter frame (123) is snapped with a guide bucket (124).

8. The industrial waste gas and dust harmless treatment device according to claim 7, characterized in that, The surface of the reaction chamber (201) is rotatably connected to a plurality of rotating parts (204), and the surface of the inspection cover (203) is fixedly connected to a plurality of reinforcing parts (205) respectively adapted to the plurality of rotating parts (204). The surface of the rotating parts (204) is threadedly connected to a locking part (206) for limiting the reinforcing parts (205).

9. The industrial waste gas and dust harmless treatment device according to claim 8, characterized in that, The outlet end of the second blower (211) is fixedly connected to a discharge box (212), and a discharge paddle (213) is rotatably connected inside the discharge box (212). A second servo motor (214) for driving the discharge paddle (213) is fixedly connected to the surface of the discharge box (212).

10. A method for treating industrial waste gas and dust using a harmless treatment device, applied to the industrial waste gas and dust harmless treatment device described in any one of claims 1-9, characterized in that, Includes the following steps: In the initial state, the storage tank (101) is pre-filled with alkaline or neutral circulating washing liquid, the filter frame (123) is snapped into place in the waste residue box (121), the inspection cover (203) on the top of the reaction box (201) is fastened by the rotating part (204), the reinforcing part (205) and the locking part (206), the filter sleeve (208) is fitted on the outer surface of the frame (207) and installed in the reaction box (201), the second spray pipe (210) is connected to the storage tank (215), and the second blower (211) at the bottom of the collection hopper (202) is connected to the discharge box (212). When dusty exhaust gas enters the system, it first arrives at the coarse treatment unit (1). The filter screen (107) at the air inlet frame (106) intercepts hair and large particles of debris. The first blower (104) draws gas into the air inlet box (102) in the air inlet cylinder (103). At the same time, the booster pump (120) pressurizes and delivers the liquid in the storage tank (101) to the first spray pipe (117) through the liquid delivery pipe (119). The liquid is atomized and sprayed out by the spray head (118), and comes into contact with the rising airflow in the opposite direction. The soluble gaseous pollutants and most of the dust are removed by inertial collision, gravity settling and partial chemical neutralization, forming a moist airflow containing fine particles. During this process, the first servo motor (115) drives the first threaded rod (109) and the second threaded rod (112) through the synchronous gear (114) to drive the cleaning scraper (108) to scrape the surface of the filter screen (107). The striking plate (111) impacts the screen frame along the wave groove (110) under the action of the inner threaded block (113), vibrating and peeling off the sticky dust to ensure that the coarse treatment is continuously transparent. After coarse treatment, the exhaust gas enters the fine treatment mechanism (2) from above the reaction box (201) through the gas guide pipe (105). The gas passes through the spray area of ​​the second spray pipe (210) from top to bottom. The storage tank (215) supplies fresh treatment liquid for further washing. Then, it is subjected to deep physical interception through the filter sleeve (208) supported by the skeleton (207). The tiny particles are trapped on the outer surface of the filter sleeve. The purified gas flows into the tilting bucket (209) and to the collection bucket (202) and is discharged through the exhaust pipe. The dust trapped by the filter sleeve (208) falls into the collection hopper (202) after being sprayed and moistened. The second blower (211) blows it into the discharge box (212). The second servo motor (214) drives the discharge paddle (213) to discharge and collect the powder. The waste liquid generated by the coarse treatment carries the slag into the waste slag box (121). It is guided by the guide bucket (124) to the filter frame (123) to achieve solid-liquid separation. The clear liquid is returned to the storage tank (101), and the sludge is taken out periodically.

Images