Acid waste gas absorption device

Abstract

The utility model discloses an acid waste gas absorption device, which belongs to the technical field of waste gas treatment, can assist in cleaning impurities adsorbed at the bottom of a filter screen and move towards the outer edge, further effectively scrapes and cleans the impurities adsorbed on a rotary cleaning wheel, and can effectively prevent the impurities from being stably adsorbed on the filter screen. The subsequent waste gas treatment is influenced. The acid waste gas absorption device comprises a reaction cylinder, an absorption cavity is formed in the reaction cylinder, a dust removal cleaning box is installed at the bottom in the absorption cavity, a slag discharging opening is formed in the bottom of the reaction cylinder, an electromagnetic valve is installed in the slag discharging opening, and a gas inlet pipe is installed on the slag discharging opening in a penetrating mode and extends into the dust removal cleaning box; a filter screen is horizontally fixed on the dust removal cleaning box, a cleaning assembly is mounted on the filter screen, an air guide pipe is vertically fixed at the top of the dust removal cleaning box, an extension pipe is arranged on the side edge of the air guide pipe in a protruding and extending manner, a stirring assembly is rotationally embedded in the extension pipe, and an air outlet pipe is mounted at the top of the reaction cylinder.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste gas treatment, and in particular relates to an acid waste gas absorption device. Background Art

[0002] Chemical waste gas refers to harmful gas components such as HS and HCL discharged by chemical plants during chemical production. Chemical waste gas often contains many types of pollutants with complex physical and chemical properties and different toxicities, which seriously pollute the environment and affect human health. Therefore, it is necessary to adsorb the waste gas.

[0003] Announcement No. "CN211513860U" discloses a dust-containing acidic waste gas absorption device, including a fixed box, an alkaline absorbent is arranged in the fixed box, support plates are fixedly installed on both sides of the bottom of the fixed box, a connecting box is arranged in the fixed box, one side of the connecting box extends to the outside of the fixed box and is set as an opening, the top of the connecting box is connected and fixed with an L-shaped air inlet pipe, one end of the L-shaped air inlet pipe extends to the outside of the fixed box, the top of the connecting box is fixedly installed with the top inner wall of the fixed box, and the movable sleeve in the connecting box is provided with a connecting box with a top and one side set as an opening, and the same filter net is fixedly installed on the front inner wall, the rear inner wall and the bottom inner wall of the connecting box. The utility model has a simple structure and is easy to operate. It is convenient to filter the acidic waste gas and collect the filtered particulate matter in the connecting box, which is convenient for further purification and adsorption of the filtered gas, and is convenient for quickly taking out the collected particulate matter, which is convenient for use.

[0004] Although the dust-containing acidic waste gas absorption device retrieved above can clean the impurities in the waste gas, as the overall filtration time increases, impurities are likely to accumulate on the filter screen, affecting the overall passing efficiency of subsequent waste gas and failing to perform the overall absorption operation of subsequent waste gas well. Therefore, an acidic waste gas absorption device is needed to assist in solving this problem. Utility Model Content

[0005] (1) Technical issues to be solved

[0006] In view of the shortcomings of the prior art, the purpose of the utility model is to provide an acidic waste gas absorption device, which can assist in cleaning the impurities adsorbed at the bottom of the filter and move them toward the outer edge, and then effectively scrape and clean the impurities adsorbed on the rotating cleaning wheel, thereby effectively avoiding the problem of impurities being stably adsorbed on the filter and affecting subsequent waste gas treatment.

[0007] (2) Technical solution

[0008] In order to solve the above technical problems, the utility model provides such an acid waste gas absorption device, which includes a reaction cylinder, an absorption chamber is opened inside the reaction cylinder, a dust removal and cleaning box is installed at the bottom of the absorption chamber, a slag discharge port is arranged at the bottom of the reaction cylinder, a solenoid valve is installed inside the slag discharge port, an air inlet pipe is installed through the slag discharge port, and the air inlet pipe extends into the dust removal and cleaning box, a filter screen is horizontally fixed on the dust removal and cleaning box, a cleaning component for auxiliary cleaning is installed on the filter screen, an air guide pipe is vertically fixed at the top of the dust removal and cleaning box, an extension pipe is protruding and extending on the side of the air guide pipe, a stirring component for auxiliary stirring is rotatably embedded and installed on the extension pipe, and an air outlet pipe is installed at the top of the reaction cylinder;

[0009] The cleaning assembly includes a rotating cleaning wheel rotatably embedded in the bottom center of the filter screen, the rotating cleaning wheel is fixed with an air guide wheel via a connecting rod, the air guide wheel is attached to the bottom of the filter screen, and the air guide wheel is rotatably embedded in the air guide duct.

[0010] Furthermore, the air inlet pipe is provided with an air outlet hole for exhausting air, and a plurality of the air outlet holes are provided, and the plurality of the air outlet holes are equidistantly arranged on the air inlet pipe.

[0011] Furthermore, a hinge seat is protruding from one end of the extension tube close to the stirring assembly, and a plurality of exhaust holes are opened at one end of the extension tube close to the hinge seat for exhausting air, and the plurality of exhaust holes are obliquely arranged in a circular array with the axis of the extension tube as the center.

[0012] Furthermore, a ball bearing is embedded and installed at the outer edge of the hinge seat, and a duckbill valve is installed inside the middle section of the extension tube.

[0013] Furthermore, the stirring assembly includes an embedded disk rotatably embedded in a hinged seat, an arc-shaped stirring plate is fixed on the side of the embedded disk facing the air duct, the air outlet of the exhaust hole faces the inner edge of the stirring plate, and a plurality of stirring plates are provided, and the plurality of stirring plates are arranged in a circular array with the center of the embedded disk as the center.

[0014] Furthermore, liquid guide tubes are symmetrically and horizontally fixed on the side of the reaction cylinder, one of the liquid guide tubes is close to the top of the absorption chamber, and the other of the liquid guide tubes is close to the bottom of the absorption chamber.

[0015] Furthermore, a protruding frame is fixed at the bottom of the outer side of the reaction cylinder, and a supporting rod is vertically fixed at the bottom of the protruding frame.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model uses a cleaning component arranged on the filter screen to discharge the exhaust gas into the dust removal cleaning box through the air outlet hole, and performs auxiliary filtering and cleaning through the filter screen. When the airflow reaches the guide wheel, it drives the guide wheel to rotate as a whole. During the rotation of the guide wheel, it drives the rotating cleaning wheel to rotate as a whole. The top of the rotating cleaning wheel and the bottom of the filter screen rotate in a matching manner, thereby auxiliary cleaning of impurities adsorbed at the bottom of the filter screen and moving toward the outer edge, and then effectively scraping and cleaning the impurities adsorbed on the rotating cleaning wheel, which can effectively avoid the problem that impurities are stably adsorbed on the filter screen and affect the subsequent exhaust gas treatment.

[0019] The utility model cooperates with the stirring assembly arranged on the extension pipe, and the air flow is blown toward the inner edge of the stirring plate during the discharge process, thereby driving the embedded disk and the stirring plate to rotate as a whole, so that the treatment liquid is assisted to be mixed by the stirring plate, so that the exhaust gas can be evenly mixed with the treatment liquid, the subsequent treatment effect is guaranteed, and the occurrence of inadequate treatment between the treatment liquid and the exhaust gas can be avoided as much as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a longitudinal sectional view of the utility model;

[0023] Figure 3 A bottom view of the cleaning assembly of the utility model;

[0024] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 5 It is a longitudinal cross-sectional view of the extension pipe of the utility model corresponding to the stirring component.

[0026] The markings in the accompanying drawings are: 1. reaction cylinder; 2. protruding frame; 3. support rod; 4. slag discharge port; 5. air inlet pipe; 51. air outlet; 6. air outlet pipe; 7. dust removal and cleaning box; 8. filter screen; 9. cleaning assembly; 10. rotating cleaning wheel; 11. air guide wheel; 12. air guide pipe; 13. extension pipe; 131. hinged seat; 132. ball bearing; 133. exhaust hole; 134. duckbill valve; 14. stirring assembly; 15. embedded disk; 16. stirring plate; 17. liquid guide pipe. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] This specific embodiment is an acid waste gas absorption device, such as Figure 1 As shown, the acid waste gas absorption device includes a reaction tube 1, an absorption chamber is opened inside the reaction tube 1, and a treatment liquid is placed in the absorption chamber. Liquid guide tubes 17 are symmetrically and horizontally fixed on the side of the reaction tube 1, one liquid guide tube 17 is close to the top of the absorption chamber, and the other liquid guide tube 17 is close to the bottom of the absorption chamber. Through the arrangement of the liquid guide tubes 17, it can be ensured that the treatment liquid can be discharged stably during operation. A valve is installed on the liquid guide tube 17, and an observation window is embedded in the reaction tube 1. A protruding frame 2 is fixed at the bottom of the outer side of the reaction tube 1, and a support rod 3 is vertically fixed at the bottom of the protruding frame 2.

[0029] Reference Figure 2 and Figure 3 As shown, a dust removal and cleaning box 7 is installed at the bottom of the absorption chamber, a slag discharge port 4 is provided at the bottom of the reaction tube 1, a solenoid valve is installed inside the slag discharge port 4, an air inlet pipe 5 is installed on the slag discharge port 4, and the air inlet pipe 5 extends into the dust removal and cleaning box 7, a filter screen 8 is horizontally fixed on the dust removal and cleaning box 7, and a cleaning component 9 for auxiliary cleaning is installed on the filter screen 8, an air guide pipe 12 is vertically fixed at the top of the dust removal and cleaning box 7, an extension pipe 13 is protruding and extending on the side of the air guide pipe 12, and a stirring component 14 for auxiliary stirring is rotatably embedded in the extension pipe 13, an air outlet pipe 6 is installed at the top of the reaction tube 1, and the cleaning component 9 includes a rotating cleaning wheel 10 rotatably embedded and installed at the bottom center of the filter screen 8, and the rotating cleaning wheel 10 is fixed with an air guide wheel 11 through a connecting rod, the air guide wheel 11 is attached to the bottom of the filter screen 8, and the air guide wheel 11 is rotatably embedded in the air guide pipe 12.

[0030] By means of the cleaning component 9 arranged on the filter 8, the exhaust gas is discharged into the dust removal and cleaning box 7 through the air outlet 51, and is assisted in filtering and cleaning by the filter 8. When the airflow reaches the air guide wheel 11, the air guide wheel 11 is driven to rotate as a whole. During the rotation of the air guide wheel 11, the rotating cleaning wheel 10 is driven to rotate as a whole. The top of the rotating cleaning wheel 10 and the bottom of the filter 8 are matched and rotated, so as to assist in cleaning the impurities adsorbed at the bottom of the filter 8 and move them toward the outer edge, and then effectively scrape and clean the impurities adsorbed on the rotating cleaning wheel 10, which can effectively avoid the problem that the impurities are stably adsorbed on the filter and affect the subsequent exhaust gas treatment.

[0031] The air inlet pipe 5 is provided with an air outlet hole 51 for exhausting air. There are a plurality of air outlet holes 51, which are equidistantly arranged on the air inlet pipe 5. By equidistantly arranging the air outlet holes 51, it can be ensured that the exhaust gas in the air inlet pipe 5 can be stably and evenly discharged into the dust removal and cleaning box 7 during operation.

[0032] Reference Figure 2 , Figure 4 and Figure 5 As shown, a hinge seat 131 is protrudingly provided at one end of the extension tube 13 near the stirring assembly 14, and a plurality of exhaust holes 133 are opened at one end of the extension tube 13 near the hinge seat 131 for exhaust. The plurality of exhaust holes 133 are obliquely arranged in a circular array with the axis of the extension tube 13 as the center, a ball bearing 132 is embedded and installed at the outer edge of the hinge seat 131, and a duckbill valve 134 is installed inside the middle section of the extension tube 13.

[0033] By setting the ball 132, the stirring assembly 14 can be ensured to rotate stably during operation and the friction generated during rotation can be reduced. By setting the duckbill valve 134, the exhaust gas can be discharged stably during operation and the treatment liquid can be prevented from entering the air duct 12.

[0034] The above-mentioned stirring assembly 14 includes an embedded disk 15 rotatably embedded in a hinged seat 131, and an arc-shaped stirring plate 16 is fixed to the side of the embedded disk 15 facing the air guide tube 12, and the air outlet of the exhaust hole 133 faces the inner edge of the stirring plate 16. A plurality of stirring plates 16 are provided, and the plurality of stirring plates 16 are arranged in a circular array with the center of the embedded disk 15 as the center.

[0035] Through the cooperation between the stirring assembly 14 and the like arranged on the extension tube 13, the airflow is blown toward the inner edge of the stirring plate 16 during the discharge process, thereby driving the embedded disk 15 and the stirring plate 16 to rotate as a whole, so that the treatment liquid is assisted in mixing by the stirring plate 16, so that the exhaust gas can be evenly mixed with the treatment liquid, thereby ensuring the subsequent treatment effect and avoiding the occurrence of inadequate treatment between the treatment liquid and the exhaust gas as much as possible.

[0036] Working principle:

[0037] When it is necessary to treat the dust-containing acidic waste gas, the waste gas pipe is connected to the air inlet pipe 5, and the waste gas is discharged into the dust removal and cleaning box 7 through the air outlet 51, and is assisted in filtering and cleaning through the filter screen 8. When the airflow reaches the guide wheel 11, it drives the guide wheel 11 to rotate as a whole. During the rotation of the guide wheel 11, it drives the rotating cleaning wheel 10 to rotate as a whole. The top of the rotating cleaning wheel 10 and the bottom of the filter screen 8 rotate in cooperation with each other, thereby assisting in cleaning the impurities adsorbed at the bottom of the filter screen 8 and moving them toward the outer edge. Under the action of gravity, the accumulated impurities fall to the slag discharge port 4.

[0038] The gas enters the extension tube 13 through the air guide pipe 12, and reaches the exhaust hole 133 through the duckbill valve 134. The gas is discharged as a whole through the exhaust hole 133. During the discharge process, the gas flow blows toward the inner edge of the stirring plate 16, thereby driving the stirring plate 16 to rotate as a whole, so that the treatment liquid is assisted by the stirring plate 16 for mixing, so that the waste gas can be evenly mixed with the treatment liquid to ensure the subsequent treatment effect. The gas after waste gas treatment is discharged through the outlet pipe 6. After the work is completed, the solenoid valve at the slag discharge port 4 is opened to stably clean the impurities.

[0039] All technical features in this embodiment can be freely combined according to actual needs.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An acid waste gas absorption device, comprising a reaction tube (1), characterized in that: An absorption chamber is provided inside the reaction tube (1), a dust removal and cleaning box (7) is installed at the bottom of the absorption chamber, a slag discharge port (4) is provided at the bottom of the reaction tube (1), a solenoid valve is installed inside the slag discharge port (4), an air intake pipe (5) is installed through the slag discharge port (4), the air intake pipe (5) extends into the dust removal and cleaning box (7), a filter screen (8) is horizontally fixed on the dust removal and cleaning box (7), a cleaning component (9) for auxiliary cleaning is installed on the filter screen (8), an air guide pipe (12) is vertically fixed at the top of the dust removal and cleaning box (7), an extension pipe (13) is protruding and extending from the side of the air guide pipe (12), a stirring component (14) for auxiliary stirring is rotatably embedded and installed on the extension pipe (13), and an air outlet pipe (6) is installed at the top of the reaction tube (1); The cleaning assembly (9) comprises a rotating cleaning wheel (10) rotatably embedded and installed at the bottom center of the filter screen (8), the rotating cleaning wheel (10) being fixed with an air guide wheel (11) via a connecting rod, the air guide wheel (11) being attached to the bottom of the filter screen (8), and the air guide wheel (11) being rotatably embedded and installed in the air guide pipe (12).

2. The acid waste gas absorption device according to claim 1, characterized in that: The air inlet pipe (5) is provided with an air outlet hole (51) for exhausting air, and a plurality of the air outlet holes (51) are provided, and the plurality of the air outlet holes (51) are equidistantly arranged on the air inlet pipe (5).

3. The acid waste gas absorption device according to claim 1, characterized in that: A hinge seat (131) is protrudingly provided at one end of the extension tube (13) close to the stirring assembly (14), and a plurality of exhaust holes (133) for exhaust are opened at one end of the extension tube (13) close to the hinge seat (131), and the plurality of exhaust holes (133) are obliquely arranged in a circular array with the axis of the extension tube (13) as the center.

4. The acid waste gas absorption device according to claim 3, characterized in that: A ball (132) is embedded and installed at the outer edge of the hinge seat (131), and a duckbill valve (134) is installed inside the middle section of the extension tube (13).

5. The acid waste gas absorption device according to claim 3, characterized in that: The stirring assembly (14) comprises an embedded disk (15) rotatably embedded on a hinged seat (131); an arc-shaped stirring plate (16) is fixed on the side of the embedded disk (15) facing the air guide tube (12); the air outlet of the exhaust hole (133) faces the inner edge of the stirring plate (16); a plurality of stirring plates (16) are provided, and the plurality of stirring plates (16) are arranged in a circular array with the center of the embedded disk (15) as the center.

6. The acid waste gas absorption device according to claim 1, characterized in that: Liquid guide tubes (17) are symmetrically and horizontally fixed on the side of the reaction cylinder (1), one of the liquid guide tubes (17) is close to the top of the absorption chamber, and the other of the liquid guide tubes (17) is close to the bottom of the absorption chamber.

7. The acid waste gas absorption device according to claim 1, characterized in that: A protruding frame (2) is fixed at the bottom of the outer side of the reaction cylinder (1), and a supporting rod (3) is vertically fixed at the bottom of the protruding frame (2).

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