Chemical plant industrial waste gas purification device

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to a chemical plant industrial waste gas purification device which comprises a spraying tank, an air suction pipe, an air suction pump, a two-way elbow, a filter box, a connecting pipe and a purification tank, the air suction pipe penetrates through the inner wall of the top of the spraying tank and is tightly attached to the inner surface of the spraying tank, and the input end of the air suction pump is connected with one side of the air suction pipe in a clamped mode; the two-way elbow is installed outside the bottom of the exhaust pipe in a threaded mode, the filter box is installed outside the two-way elbow, and the two sides of the connecting pipe are fixedly connected with the opposite side surfaces of the purification tank and the filter box respectively. According to the chemical plant industrial waste gas purification device, the two-way elbow is arranged to disperse and discharge waste gas, the working pressure of the inclined activated carbon filter plate is reduced, and the cleaning period is prolonged; the inclined activated carbon filter plate is designed to be inclined, so that the contact area with the waste gas can be effectively increased, the retention time of gas with a small amount of purification liquid attached inside can be prolonged, the gas gradually floats out of the top cylinder, and the efficient purification effect of the waste gas is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of waste gas treatment, in particular to an industrial waste gas purification device for a chemical plant. BACKGROUND

[0002] Industrial waste gas refers to various pollutant-containing gas discharged into the air in the process of fuel combustion and production in an enterprise factory. The waste gas directly discharged into the air will pollute the air. The substances enter the human body through different channels of the respiratory tract, some directly cause harm, and some have an accumulation effect, which will cause more serious harm to human health. Therefore, the industrial waste gas needs to be treated by a purification device before being discharged.

[0003] According to the search, the industrial waste gas purification device disclosed in Patent No. CN220194484U is used for introducing the industrial waste gas from the air inlet pipe into the filter box, the dust filter screen in the filter box filters the dust and particulate matters in the waste gas, the filtered waste gas enters the central frame at the bottom through the air outlet pipe, the motor is started, the output shaft of the motor drives the rotating rod to rotate, the rotating rod drives the fan blades and the stirring rod to rotate, the rotating fan blades send the waste gas into the first spray head in the central frame, the purification liquid sprayed from the first spray head reacts with the waste gas again, the waste gas is treated by the purification liquid sprayed from the three first arc hollow plates and the second arc hollow plate, and the activated carbon filter plate adsorbs the odor in the waste gas, and the treated waste gas is discharged into the atmosphere through the exhaust pipe.

[0004] According to the related technology in the above, the inventors believe that the following technical defects need to be improved:

[0005] The activated carbon filter plate needs to be cleaned or replaced after long-term use, the activated carbon filter plate of the device is located at the top of the purification box, is difficult to disassemble, and has a general filtering effect on irritating gas. CONTENT OF THE UTILITY MODEL

[0006] The application provides an industrial waste gas purification device for a chemical plant to improve the following technical problems:

[0007] The activated carbon filter plate needs to be cleaned or replaced after long-term use, the activated carbon filter plate of the traditional device is located at the top of the purification box, is difficult to disassemble, and has a general filtering effect on irritating gas.

[0008] The application provides an industrial waste gas purification device for a chemical plant, which adopts the following technical scheme:

[0009] The utility model provides a kind of chemical plant industrial waste gas purification device, including high-efficiency purification mechanism, the high-efficiency purification mechanism includes spray tank, suction pipe, air suction pump, two-way elbow, filter box, connecting pipe and purification tank, the suction pipe is through the inner wall of the top of the spray tank and the inner surface of the spray tank closely, the input end of the air suction pump is connected with the side of the suction pipe, the two-way elbow is screw-mounted on the bottom outside of the suction pipe, the filter box is installed in the outside of the two-way elbow, the opposite side surface of the purification tank and the filter box is respectively fixedly connected with the two sides of the connecting pipe, and the inside of the filter box is also provided with self-cleaning assembly.

[0010] In an implementable technical solution of the present application, the self-cleaning assembly includes an inclined activated carbon filter plate, a positioning frame, an electric telescopic rod, a connecting rod, and a soft-bristle brush roller. The inclined activated carbon filter plate is slidingly connected inside the positioning frame, which is fixedly connected to the top of the filter box. The output end of the electric telescopic rod is fixedly connected to one end of the connecting rod, and the outer side of the connecting rod is fixedly connected to one end of the inclined activated carbon filter plate. The soft-bristle brush roller is rotatably connected inside the positioning frame for cleaning the inclined activated carbon filter plate.

[0011] In an implementable technical solution of the present application, one side of the spray tank is also provided with a booster pump, a water suction pipe, a water inlet frame, and a high-pressure spray head. The output end of the booster pump is fixedly connected to the top of the water inlet frame by penetrating the middle of the top end of the spray tank. The water suction pipe is installed on the input end outside of the booster pump. The high-pressure spray head is installed at the bottom of the water inlet frame.

[0012] In an implementable technical solution of the present application, a sliding groove and a sliding block of a size suitable for the connection between the inclined activated carbon filter plate and the positioning frame are provided.

[0013] In an implementable technical solution of the present application, the inside of the purification tank is also provided with a support column, a first cyclone vane, and a second cyclone vane. The support column is installed in the middle of the purification tank. The first cyclone vane is fixedly connected to the surface of the support column. The second cyclone vane is arranged on the opposite side of the first cyclone vane, and the blade rotation directions of the first and second cyclone vanes are opposite.

[0014] In an implementable technical solution of the present application, the bottom side of the spray tank is also provided with an air inlet pipe.

[0015] In summary, the present application includes at least one of the following beneficial technical effects:

[0016] 1. This device introduces the exhaust gas from the air inlet pipe into the spray tank and completes rapid gas collection. At the same time, multiple sets of high-pressure nozzles on the top of the spray tank break up the purification liquid into small droplets and absorb harmful substances in the exhaust gas to achieve a one-time purification effect. The purified exhaust gas is sent to the purification tank at the end through the suction pump. The swirl blades are used to separate solid particles, droplets and other impurities in the liquid and change the flow direction and speed of the fluid. Since the rotation surfaces of the first swirl blade and the second swirl blade are opposite, the gas with a small amount of purification liquid attached to it can prolong its residence time in the purification tank and gradually float out of the top cylinder, achieving a high-efficiency purification effect of the exhaust gas.

[0017] 2. This product has a two-way elbow to disperse and discharge the exhaust gas, reduce the working pressure of the inclined activated carbon filter plate, and extend the cleaning cycle; the inclined activated carbon filter plate is inclined, which can effectively increase the contact area with the exhaust gas, and the inclined activated carbon filter plate can move back and forth along the positioning frame, and cooperate with the soft brush roller to achieve the self-cleaning effect of the inclined activated carbon filter plate surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0019] Fig. 1 It is a structural schematic diagram of the industrial waste gas purification device of a chemical plant according to an embodiment of the present application.

[0020] Fig. 2 It is a schematic diagram of the structure inside the spray tank in the embodiment of the present application.

[0021] Fig. 3 It is a cross-sectional view of the filter box in the embodiment of the present application.

[0022] Fig. 4 It is a cross-sectional rendering of the top of the positioning frame in the embodiment of the present application.

[0023] Fig. 5 It is a structural diagram of the slide groove and the slider in the embodiment of the present application.

[0024] Fig. 6 It is a schematic diagram of the structure inside the purification tank in the embodiment of the present application.

[0025] Description of reference numerals:

[0026] 1. High-efficiency purification mechanism; 2. Self-cleaning component; 3. Booster pump; 4. Suction pipe; 5. Water inlet frame; 6. High-pressure nozzle; 7. Chute; 8. Slider; 11. Spray tank; 12. Exhaust pipe; 13. Exhaust pump; 14. Two-way elbow; 15. Filter box; 16. Connecting pipe; 17. Purification tank; 21. Inclined activated carbon filter plate; 22. Positioning frame; 23. Electric telescopic rod; 24. Connecting rod; 25. Soft brush roller; 30. Support column; 31. First swirl blade; 32. Second swirl blade; 33. Inlet pipe. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0028] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0031] The following is combined with Figs. 1-6 This application is described in further detail.

[0032] The present application discloses an industrial waste gas purification device for a chemical plant. Figs. 1-6The industrial waste gas purification device of a chemical plant includes a high-efficiency purification mechanism 1, which includes a spray tank 11, an exhaust pipe 12, an exhaust pump 13, a two-way elbow 14, a filter box 15, a connecting pipe 16 and a purification tank 17. The exhaust pipe 12 passes through the top inner wall of the spray tank 11 and fits tightly with the inner surface of the spray tank 11. The input end of the exhaust pump 13 is clamped with one side of the exhaust pipe 12. The two-way elbow 14 is threadedly installed on the bottom outside of the exhaust pipe 12. The filter box 15 is installed on the outside of the two-way elbow 14. The two sides of the connecting pipe 16 are fixedly connected to the opposite side surfaces of the purification tank 17 and the filter box 15 respectively. A self-cleaning component 2 is also installed inside the filter box 15.

[0033] The self-cleaning component 2 includes an inclined activated carbon filter plate 21, a positioning frame 22, an electric telescopic rod 23, a connecting rod 24 and a soft brush roller 25. The inclined activated carbon filter plate 21 is slidably connected to the inside of the positioning frame 22, the positioning frame 22 is fixedly connected to the top of the filter box 15, the output end of the electric telescopic rod 23 is fixedly connected to one end of the connecting rod 24, the outer side of the connecting rod 24 is fixedly connected to one end of the inclined activated carbon filter plate 21, and the soft brush roller 25 is rotatably connected to the inside of the positioning frame 22 for cleaning the inclined activated carbon filter plate 21.

[0034] A booster pump 3, a water suction pipe 4, a water inlet frame 5 and a high-pressure nozzle 6 are also installed on one side of the spray tank 11. The output end of the booster pump 3 passes through the middle of the top of the spray tank 11 and is fixedly connected to the top of the water inlet frame 5. The water suction pipe 4 is installed on the outside of the input end of the booster pump 3, and the high-pressure nozzle 6 is installed at the bottom of the water inlet frame 5.

[0035] A chute 7 and a slider 8 of matching sizes are provided at the connection between the inclined activated carbon filter plate 21 and the positioning frame 22 .

[0036] A support column 30, a first swirl blade 31 and a second swirl blade 32 are also installed inside the purification tank 17. The support column 30 is installed in the middle of the purification tank 17. The first swirl blade 31 is fixedly connected to the surface of the support column 30. The second swirl blade 32 is arranged on the opposite side of the first swirl blade 31, and the blade rotation directions of the first swirl blade 31 and the second swirl blade 32 are opposite.

[0037] An air inlet pipe 33 is also installed on one side of the bottom of the spray tank 11.

[0038] The use process of the chemical plant industrial waste gas purification device in the embodiment of the present application is roughly as follows:

[0039] The waste gas is introduced into the spray tank 11 from the air inlet pipe 33, the booster pump 3 is started, the booster pump 3 draws the purification liquid from the water suction pipe 4 into the water inlet frame 5, and the purification liquid is sprayed out by the multiple groups of high-pressure nozzles 6 distributed at the bottom, the high-pressure nozzles 6 scatter the purification liquid into small droplets and absorb the harmful substances in the waste gas, then the air suction pump 13 is started to disperse and discharge the waste gas above the spray tank 11 into the two groups of filter boxes 15 along the two-way elbow 14, the slanting activated carbon filter plate 21 performs re-adsorption with the pollutants on the surface of the waste gas, when cleaning is needed, the electrically activated electric telescopic rod 23 is used to push the slanting activated carbon filter plate 21 to move back and forth in the positioning frame 22, and the soft-bristle brush roller 25 is used to complete the surface cleaning operation of the slanting activated carbon filter plate 21; the secondary purified waste gas is discharged into the purification tank 17 from the connecting pipe 16, so that the gas with a small amount of purification liquid attached inside can prolong the residence time in the purification tank 17 and gradually drift out of the top cylinder, achieving the high-efficiency purification effect of the waste gas.

[0040] The chemical plant industrial waste gas purification device of the embodiment of the present application has the following beneficial technical effects:

[0041] The device completes rapid gas collection after introducing the waste gas from the air inlet pipe 33 into the spray tank 11, and achieves the primary purification effect by scattering the purification liquid into small droplets by the multiple groups of high-pressure nozzles 6 at the top of the spray tank 11 and absorbing the harmful substances in the waste gas, the purified waste gas is sent into the last purification tank 17 by the air suction pump 13, the cyclone blades are used to separate solid particles, mist droplets and other impurities in the liquid and change the flow direction and speed of the fluid, due to the opposite rotation surfaces of the first cyclone blade 31 and the second cyclone blade 32, the gas with a small amount of purification liquid attached inside can prolong the residence time in the purification tank 17 and gradually drift out of the top cylinder, achieving the high-efficiency purification effect of the waste gas; the product is provided with the two-way elbow 14 to disperse and discharge the waste gas, reducing the working pressure of the slanting activated carbon filter plate 21 and prolonging the cleaning period; the slanting activated carbon filter plate 21 is designed to be inclined, which can effectively increase the contact area with the waste gas, and the slanting activated carbon filter plate 21 can move back and forth in the positioning frame 22, achieving the self-cleaning effect of the surface of the slanting activated carbon filter plate 21 together with the soft-bristle brush roller 25.

[0042] The above only describes the preferred embodiments of the present application and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the application should be included in the protection scope of the present application.

Claims

1. A chemical plant industrial waste gas purification device, characterized in that: The invention comprises a high-efficiency purification mechanism (1), wherein the high-efficiency purification mechanism (1) comprises a spray tank (11), an exhaust pipe (12), an exhaust pump (13), a two-way elbow (14), a filter box (15), a connecting pipe (16) and a purification tank (17), wherein the exhaust pipe (12) passes through the top inner wall of the spray tank (11) and is tightly fitted with the inner surface of the spray tank (11), the input end of the exhaust pump (13) is snap-connected with one side of the exhaust pipe (12), the two-way elbow (14) is threadedly mounted on the bottom outer side of the exhaust pipe (12), the filter box (15) is mounted on the outer side of the two-way elbow (14), the two sides of the connecting pipe (16) are fixedly connected to the opposite side surfaces of the purification tank (17) and the filter box (15), and a self-cleaning component (2) is also installed inside the filter box (15).

2. The chemical plant industrial waste gas purification device according to claim 1, characterized in that: The self-cleaning component (2) comprises an inclined activated carbon filter plate (21), a positioning frame (22), an electric telescopic rod (23), a connecting rod (24) and a soft brush roller (25), wherein the inclined activated carbon filter plate (21) is slidably connected to the interior of the positioning frame (22), the positioning frame (22) is fixedly connected to the top of the filter box (15), the output end of the electric telescopic rod (23) is fixedly connected to one end of the connecting rod (24), the outer side of the connecting rod (24) is fixedly connected to one end of the inclined activated carbon filter plate (21), and the soft brush roller (25) is rotatably connected to the interior of the positioning frame (22) for cleaning the inclined activated carbon filter plate (21).

3. The chemical plant industrial waste gas purification device according to claim 1, characterized in that: A booster pump (3), a water extraction pipe (4), a water inlet frame (5) and a high-pressure nozzle (6) are also installed on one side of the spray tank (11); the output end of the booster pump (3) passes through the middle of the top end of the spray tank (11) and is fixedly connected to the top of the water inlet frame (5); the water extraction pipe (4) is installed outside the input end of the booster pump (3); and the high-pressure nozzle (6) is installed at the bottom of the water inlet frame (5).

4. The chemical plant industrial waste gas purification device according to claim 2, characterized in that: A sliding groove (7) and a sliding block (8) with matching sizes are provided at the connection between the inclined activated carbon filter plate (21) and the positioning frame (22).

5. The chemical plant industrial waste gas purification device according to claim 1, characterized in that: A support column (30), a first swirl blade (31) and a second swirl blade (32) are further installed inside the purification tank (17). The support column (30) is installed in the middle of the purification tank (17). The first swirl blade (31) is fixedly connected to the surface of the support column (30). The second swirl blade (32) is arranged on the opposite side of the first swirl blade (31), and the blades of the first swirl blade (31) and the second swirl blade (32) rotate in opposite directions.

6. The chemical plant industrial waste gas purification device according to claim 1, characterized in that: An air inlet pipe (33) is also installed on one side of the bottom of the spray tank (11).

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