Tail gas collecting tank

Abstract

The utility model discloses a tail gas collecting tank which comprises a filtering tank, the side wall of the filtering tank is fixedly connected with a gas inlet pipe, the gas inlet pipe is communicated with the interior of the filtering tank, the interior of the filtering tank is fixedly connected with an L-shaped baffle, the side wall of the L-shaped baffle is fixedly connected with a filter screen, one end of the filter screen is fixedly connected to the inner side wall of the filtering tank, and the other end of the filter screen is fixedly connected with a gas outlet pipe. An impurity cleaning device is arranged at the bottom of the filter screen, a slag discharge pipe is fixedly connected to the side wall of the lower end of the filter tank, the slag discharge pipe is communicated with the interior of the filter tank, a sealing cover is arranged at one end of the slag discharge pipe, and an exhaust pipe is fixedly connected to the side wall of the filter tank. Under the mutual cooperation of the cleaning plate, the filter screen, the water storage tank, the combustion tank and other parts, impurities in tail gas can be filtered, the filter screen can be cleaned, the impurities are prevented from blocking the surface of the filter screen, the impurities are prevented from influencing the follow-up treatment of the tail gas, the operation is simple, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a tail gas collecting tank. Background Art

[0002] Chlorinated paraffin is an organic substance, a chlorinated derivative of paraffin hydrocarbons. It has the advantages of low volatility, flame retardancy, good electrical insulation and low price. It can be used as a flame retardant and auxiliary plasticizer for polyvinyl chloride. It is widely used in the production of cable materials, floor materials, hoses, artificial leather, rubber and other products, as well as additives for polyurethane waterproof coatings, polyurethane plastic tracks, lubricating oils, etc.

[0003] For example, Chinese patent publication number CN203303832U discloses an exhaust gas treatment device for industrial production of chlorinated paraffin. Its structure is that the carrier chamber is connected in series with the oil-gas separator, adsorption chamber, reaction tank I, reaction tank II, acid-base reaction tank and air compressor in sequence through pipelines; the bottom of reaction tank II is connected to the top of reaction tank I through pipelines; the bottom of reaction tank I is connected to an HCL collector through pipelines; the bottom of the acid-base reaction tank is connected to a CaOH liquid storage tank through pipelines.

[0004] However, in the above scheme, the exhaust gas treatment device is not convenient for filtering and cleaning impurities in the exhaust gas when in use, which causes the impurities to easily affect subsequent treatments and is not very convenient. Utility Model Content

[0005] The utility model provides an exhaust gas collecting tank to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A tail gas collection tank comprises a filter tank, the side wall of the filter tank is fixedly connected to an intake pipe, the intake pipe is connected to the filter tank, an L-shaped baffle is fixedly connected to the filter tank, the side wall of the L-shaped baffle is fixedly connected to a filter screen, one end of the filter screen is fixedly connected to the inner wall of the filter tank, an impurity cleaning device is provided at the bottom of the filter screen, a slag discharge pipe is fixedly connected to the side wall of the lower end of the filter tank, the slag discharge pipe is connected to the filter tank, a sealing cover is provided at one end of the slag discharge pipe, the side wall of the filter tank is fixedly connected to an exhaust pipe, the exhaust pipe is connected to the filter tank, the exhaust pipe is located between the L-shaped baffle and the filter screen, a first one-way valve is provided on the side wall of the exhaust pipe, one end of the exhaust pipe is fixedly connected to a combustion tank, the side wall of the combustion tank is fixedly connected to an air guide pipe, and the air guide pipe One end is fixedly connected to a water tank, one end of the air guide pipe passes through the top side wall of the water tank and extends into the water tank, one end of the air guide pipe is located below the horizontal plane in the water tank, the lower end of the side wall of the water tank is fixedly connected to a connecting pipe, the connecting pipe is connected to the water tank, a second one-way valve is provided on the side wall of the connecting pipe, one end of the connecting pipe is fixedly connected to an alkali liquid tank, the connecting pipe is connected to the alkali liquid tank, the lower end of the side wall of the alkali liquid tank is fixedly connected to a drain pipe, the drain pipe is connected to the alkali liquid tank, a valve is provided on the side wall of the drain pipe, one end of the valve is fixedly connected to a collecting box, the valve is connected to the collecting box, a filter layer is provided in the valve, the filter layer is located below the collecting box, a drain pipe is provided on the lower end side wall of the collecting box, and the drain pipe is connected to the collecting box.

[0008] As a further improvement of the present technical solution: the impurity cleaning device includes a rotating rod, which is rotatably connected to the top side wall of the filter tank, and the side wall of the rotating rod is fixedly connected to a plurality of blades, and the plurality of blades are located at the outlet of the air inlet pipe; a cleaning plate is fixedly connected to the bottom of the rotating rod, and bristles are provided at both ends of the top of the cleaning plate, and the top of the bristles on the right side rests against the bottom side wall of the filter net.

[0009] As a further improvement of the technical solution: the filter screen is made of stainless steel.

[0010] As a further improvement of the technical solution: the side wall of the bottom of the filter tank is arranged in an inclined shape, and the slag discharge pipe is located at the lowest point of the inclined side wall of the bottom of the filter tank.

[0011] As a further improvement of the technical solution: a plurality of baffles are fixedly connected inside the water storage tank, and the plurality of baffles are arranged one above the other.

[0012] As a further improvement of the technical solution: the side wall of the bottom of the alkali liquid tank is arranged in an inclined shape, and the drain pipe is located at the lowest point of the inclined side wall of the bottom of the alkali liquid tank.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the device can filter impurities in the exhaust gas and clean the filter screen through the mutual cooperation of the cleaning plate, filter screen, water storage tank, combustion tank and other components to prevent impurities from clogging the surface of the filter screen and avoid impurities affecting the subsequent treatment of the exhaust gas. The operation is simple and the practicability is high.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 This is a schematic diagram of the front cross-sectional structure of an exhaust gas collection tank proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the front cross-sectional structure of a filter tank in an exhaust gas collection tank proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of a top cross-sectional structure of a filter tank in an exhaust gas collection tank proposed by the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the three-dimensional structure of an L-shaped baffle in an exhaust gas collection tank.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Filter tank; 2. Rotating rod; 3. Blade; 4. Inlet pipe; 5. First one-way valve; 6. Slag discharge pipe; 7. Cleaning plate; 8. Filter screen; 9. L-shaped baffle; 10. Exhaust pipe; 11. Combustion tank; 12. Air guide pipe; 13. Baffle; 14. Water storage tank; 15. Connecting pipe; 16. Second one-way valve; 17. Alkali liquid tank; 18. Drain pipe; 19. Valve; 20. Collection box; 21. Filter layer; 22. Drain pipe. DETAILED DESCRIPTION

[0022] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0023] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] See also Figure 1-4In the embodiment of the utility model, an exhaust gas collection tank comprises a filter tank 1, a side wall of the filter tank 1 is fixedly connected to an intake pipe 4, the intake pipe 4 is connected to the filter tank 1, an L-shaped baffle 9 is fixedly connected to the filter tank 1, a side wall of the L-shaped baffle 9 is fixedly connected to a filter screen 8, one end of the filter screen 8 is fixedly connected to the inner wall of the filter tank 1, an impurity cleaning device is provided at the bottom of the filter screen 8, a slag discharge pipe 6 is fixedly connected to the side wall of the lower end of the filter tank 1, the slag discharge pipe 6 is connected to the filter tank 1, a sealing cover is provided at one end of the slag discharge pipe 6, an exhaust pipe 10 is fixedly connected to the side wall of the filter tank 1, the exhaust pipe 10 is connected to the filter tank 1, the exhaust pipe 10 is located between the L-shaped baffle 9 and the filter screen 8, a first one-way valve 5 is provided on the side wall of the exhaust pipe 10, one end of the exhaust pipe 10 is fixedly connected to a combustion tank 11, the side wall of the combustion tank 11 is fixedly connected to an air guide pipe 12, and one end of the air guide pipe 12 is fixedly connected to a storage tank A water tank 14, one end of the air guide pipe 12 passes through the top side wall of the water tank 14 and extends into the water tank 14, one end of the air guide pipe 12 is located below the horizontal plane in the water tank 14, a connecting pipe 15 is fixedly connected to the lower end of the side wall of the water tank 14, the connecting pipe 15 is connected to the inside of the water tank 14, a second one-way valve 16 is provided on the side wall of the connecting pipe 15, one end of the connecting pipe 15 is fixedly connected to an alkali liquid tank 17, the connecting pipe 15 is connected to the inside of the alkali liquid tank 17, a drain pipe 18 is fixedly connected to the lower end of the side wall of the alkali liquid tank 17, the drain pipe 18 is connected to the inside of the alkali liquid tank 17, a valve 19 is provided on the side wall of the drain pipe 18, one end of the valve 19 is fixedly connected to a collecting box 20, the valve 19 is connected to the inside of the collecting box 20, a filter layer 21 is provided in the valve 19, the filter layer 21 is located below the collecting box 20, a drain pipe 22 is provided on the lower end side wall of the collecting box 20, and the drain pipe 22 is connected to the inside of the collecting box 20.

[0026] See also Figure 1-3 The impurity cleaning device includes a rotating rod 2, which is rotatably connected to the top side wall of the filter tank 1. A plurality of blades 3 are fixedly connected to the side wall of the rotating rod 2. The plurality of blades 3 are located at the outlet of the intake pipe 4. A cleaning plate 7 is fixedly connected to the bottom of the rotating rod 2. Bristles are provided at both ends of the top of the cleaning plate 7. The top of the right bristle is against the bottom side wall of the filter screen 8. When the exhaust gas enters the filter tank 1, the blade 3 will be blown to make the blade 3 rotate. The blade 3 drives the cleaning plate 7 to rotate through the rotating rod 2. When the cleaning plate 7 rotates, it can drive the bristles to rotate. When the bristles rotate, they can clean the side wall of the filter screen 8 to prevent the impurities in the exhaust gas from clogging the filter screen 8.

[0027] See also Figure 1-2 The filter screen 8 is made of stainless steel to prevent the filter screen 8 from being affected by rust.

[0028] See also Figure 1-3The bottom side wall of the filter tank 1 is arranged in an inclined shape, and the slag discharge pipe 6 is located at the lowest point of the inclined side wall of the bottom of the filter tank 1, so that the impurities at the bottom of the filter tank 1 can quickly slide toward the slag discharge pipe 6 along the inclined side wall of the bottom of the filter tank 1, thereby improving the cleaning efficiency of the impurities.

[0029] See also Figure 1 A plurality of baffles 13 are fixedly connected to the water storage tank 14, and the plurality of baffles 13 are arranged one above the other to increase the residence time of the hydrogen chloride gas in the water storage tank 14, thereby increasing the contact time between the hydrogen chloride gas and the water, so that the hydrogen chloride gas is fully integrated into the water.

[0030] The working principle of the utility model is as follows: the exhaust gas enters the filter tank 1 through the air inlet pipe 4, and the exhaust gas blows the blade 3 when entering the filter tank 1, so that the blade 3 rotates, and the blade 3 drives the cleaning plate 7 to rotate through the rotating rod 2, and the cleaning plate 7 can drive the bristles to rotate when rotating, and the bristles can clean the side wall of the filter screen 8 when rotating to prevent the impurities in the exhaust gas from clogging the filter screen 8, and the exhaust gas enters the exhaust pipe 10 through the filter screen 8, and the filter screen 8 can filter the impurities in the exhaust gas, and then the exhaust gas enters the combustion tank 11 through the exhaust pipe 10, and hydrogen is introduced into the combustion tank 11 and ignited, so that the exhaust gas and hydrogen are fully burned to generate hydrogen chloride gas, and then The hydrogen chloride gas enters the water storage tank 14 through the air guide pipe 12 and dissolves in the water in the water storage tank 14 to form dilute hydrochloric acid. The multiple baffles 13 are provided to increase the residence time of the hydrogen chloride gas in the water storage tank 14 so that the hydrogen chloride gas is fully dissolved in the water. Then the dilute hydrochloric acid enters the alkali liquid tank 17 through the connecting pipe 15. In the alkali liquid tank 17, the dilute hydrochloric acid reacts with the alkali liquid to generate calcium chloride and water. Then, by opening the valve 19, the calcium chloride and the water are discharged into the collection box 20 through the drain pipe 18. The calcium chloride can be filtered through the filter layer 21 so that the calcium chloride stays on the surface of the filter layer 21, and the water is discharged through the drain pipe 22.

[0031] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. An exhaust gas collection tank, comprising a filter tank (1), characterized in that: The filter tank (1) has an air inlet pipe (4) fixedly connected to the side wall thereof, the air inlet pipe (4) being in communication with the inside of the filter tank (1), an L-shaped baffle (9) fixedly connected to the inside of the filter tank (1), a filter screen (8) fixedly connected to the side wall of the L-shaped baffle (9), one end of the filter screen (8) being fixedly connected to the inner side wall of the filter tank (1), an impurity cleaning device being provided at the bottom of the filter screen (8), a slag discharge pipe (6) fixedly connected to the side wall of the lower end of the filter tank (1), the slag discharge pipe (6) being in communication with the inside of the filter tank (1), the slag discharge pipe (6) ), a sealing cover is provided at one end of the filter tank (1), an exhaust pipe (10) is fixedly connected to the side wall of the filter tank (1), the exhaust pipe (10) is communicated with the inside of the filter tank (1), the exhaust pipe (10) is located between the L-shaped baffle plate (9) and the filter screen (8), a first one-way valve (5) is provided on the side wall of the exhaust pipe (10), one end of the exhaust pipe (10) is fixedly connected to the combustion tank (11), the side wall of the combustion tank (11) is fixedly connected to the air guide pipe (12), one end of the air guide pipe (12) is fixedly connected to the water storage tank (14), and one end of the air guide pipe (12) is fixedly connected to the water storage tank (14). The end of the air guide pipe (12) penetrates the top side wall of the water storage tank (14) and extends into the water storage tank (14); one end of the air guide pipe (12) is located below the horizontal plane in the water storage tank (14); a connecting pipe (15) is fixedly connected to the lower end of the side wall of the water storage tank (14); the connecting pipe (15) is communicated with the inside of the water storage tank (14); a second one-way valve (16) is provided on the side wall of the connecting pipe (15); one end of the connecting pipe (15) is fixedly connected to an alkali liquid tank (17); the connecting pipe (15) is communicated with the inside of the alkali liquid tank (17); the lower end of the side wall of the alkali liquid tank (17) is fixedly connected to the connecting pipe (15); The end of the collecting box (17) is fixedly connected to a drain pipe (18), the drain pipe (18) is connected to the inside of the alkali liquid tank (17), a valve (19) is provided on the side wall of the drain pipe (18), one end of the valve (19) is fixedly connected to a collecting box (20), the valve (19) is connected to the inside of the collecting box (20), a filter layer (21) is provided in the valve (19), the filter layer (21) is located below the collecting box (20), a drainage pipe (22) is provided on the side wall of the lower end of the collecting box (20), and the drainage pipe (22) is connected to the inside of the collecting box (20).

2. The tail gas collection tank according to claim 1, characterized in that: The impurity cleaning device comprises a rotating rod (2), the rotating rod (2) is rotatably connected to the top side wall of the filter tank (1), a plurality of blades (3) are fixedly connected to the side wall of the rotating rod (2), and the plurality of blades (3) are located at the outlet of the air inlet pipe (4), a cleaning plate (7) is fixedly connected to the bottom of the rotating rod (2), and bristles are provided at both ends of the top of the cleaning plate (7), and the top of the bristles on the right side abuts against the bottom side wall of the filter screen (8).

3. The tail gas collection tank according to claim 2, characterized in that: The filter screen (8) is made of stainless steel.

4. The tail gas collection tank according to claim 1, characterized in that: The side wall of the bottom of the filter tank (1) is arranged in an inclined shape, and the slag discharge pipe (6) is located at the lowest point of the inclined side wall of the bottom of the filter tank (1).

5. The tail gas collection tank according to claim 1, characterized in that: A plurality of baffles (13) are fixedly connected inside the water storage tank (14), and the plurality of baffles (13) are arranged one above the other.

6. The tail gas collection tank according to claim 1, characterized in that: The side wall of the bottom of the alkali liquid tank (17) is arranged in an inclined shape, and the drainage pipe (18) is located at the lowest point of the inclined side wall of the bottom of the alkali liquid tank (17).

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