Styrene waste gas treatment device

Abstract

The utility model provides a styrene waste gas treatment device which comprises a spraying pipeline, a gas outlet pipeline, a spraying tank, a waste gas inlet pipe, another spraying tank, a collecting chamber, a liquid outlet pipe, a valve, a partition plate, a rotating shaft, a rotating plate, a filter screen, a collecting frame, a large notch and an opening and closing door, the device is provided with the two collecting chambers, each collecting chamber is internally provided with the collecting frame, sediments generated by spraying fall into the two collecting frames, when the sediments need to be cleaned, only the rotating plate needs to be tightly attached to the top of one collecting chamber, the valve at the position is closed, then the opening and closing door can be detached, and the collecting frames are taken out, so that the sediments can be cleaned. The sediment is cleaned; therefore, the device prevents the precipitate from directly falling into the potassium permanganate solution at the bottom of the spraying tank, is convenient to clean, eliminates the situation that the precipitate possibly blocks the liquid guide pipe, and ensures the normal use of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a styrene waste gas treatment device. Background Art

[0002] Styrene is an organic compound formed by replacing one hydrogen atom in ethylene with benzene. The electrons of the vinyl group are conjugated with the benzene ring, making it insoluble in water but soluble in ethanol and ether. Upon exposure to air, it gradually polymerizes and oxidizes. Industrially, it is a key monomer for synthetic resins, ion exchange resins, and synthetic rubber. Refining and petrochemical companies generate large amounts of styrene-containing waste gas during road loading, dock loading, and storage in tank farms. This styrene waste gas requires treatment before discharge to prevent harm to humans and the ecological environment.

[0003] Existing styrene waste gas treatment devices generally use potassium permanganate solution as a spray liquid to spray styrene waste gas. However, since the substances produced by the reaction between styrene and potassium permanganate include manganese dioxide precipitates, and since the potassium permanganate solution is at the bottom, the manganese dioxide precipitates will directly fall into the potassium permanganate solution, which is inconvenient to clean. At the same time, the precipitates may clog the drainage tube, affecting the normal use of the device. Utility Model Content

[0004] The purpose of the present invention is to design a styrene waste gas treatment device to solve the problems raised by the background art. To achieve the above purpose, the present invention provides the following technical solution: comprising a spray tank provided with a spray pipe and an exhaust pipe, wherein the exhaust gas inlet pipe is connected to the middle portion of the spray tank, and further comprising two symmetrically distributed collecting chambers fixedly connected to the lower portion of the spray tank, wherein the bottom of the collecting chamber is connected to the liquid outlet pipe, wherein the liquid outlet pipe is provided with a valve, and the two collecting chambers are connected by a partition, wherein the top of the partition is embedded with a rotating shaft, wherein a rotating plate is fixedly connected to the rotating shaft, wherein the rotating plate is in close contact with the top of one of the collecting chambers, wherein a collecting frame with a filter screen is embedded in the interior of the collecting chamber, wherein a large notch is provided in the interior of the collecting chamber for the collection frame to move, and an opening and closing door for removing the collection frame is provided on the side wall of the spray tank.

[0005] Furthermore, both ends of the rotating shaft are rotatably connected to the side wall of the spray tank, and one end of the rotating shaft passes through the side wall of the spray tank. The end of the rotating shaft passing through the side wall of the spray tank is fixedly connected to the output end of the first motor fixedly connected to the side wall of the spray tank.

[0006] Furthermore, the top of the collecting chamber is arranged tilted.

[0007] Furthermore, a sealing strip is embedded on the rotating plate, and the sealing strip is tightly pressed against the top of the collecting chamber.

[0008] Furthermore, hidden handles are provided on the opening and closing door and the collecting frame.

[0009] Furthermore, an observation window is provided on the side wall of the spray tank, and the observation window is located between the exhaust gas inlet pipe and the rotating plate.

[0010] Furthermore, an annular convex plate for placing the collection frame is provided in the middle of the collection chamber, and the bottom of the collection chamber is a bell mouth, and the bottom of the bell mouth is connected to the liquid outlet pipe.

[0011] Furthermore, the bottom of the spray tank is connected to a circulation pump through a drain pipe, and the liquid outlet of the circulation pump is connected to the spray pipe.

[0012] Furthermore, a mounting bracket is fixedly connected to the side wall of the bell mouth, a second motor is provided on the mounting bracket, a rotating shaft is fixedly connected to the output end of the second motor, and a stirring blade is fixedly connected to the side wall of the rotating shaft.

[0013] Furthermore, the stirring blade is provided with a plurality of through holes.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention is provided with two collecting chambers, and each collecting chamber is provided with a collecting frame, and the precipitate generated by spraying will fall into the two collecting frames. When it needs to be cleaned, it is only necessary to make the rotating plate close to the top of one collecting chamber and close the valve there, and then the opening and closing door can be removed, the collecting frame can be taken out, and the precipitate can be cleaned; therefore, the present invention avoids the precipitate from falling directly into the potassium permanganate solution at the bottom of the spray tank, facilitates cleaning, and eliminates the possibility of precipitate clogging the liquid guide tube, thereby ensuring the normal use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a cross-sectional schematic diagram of the utility model;

[0017] Figure 2 for Figure 1 A local enlarged schematic diagram in .

[0018] Among them: 1. Exhaust pipe; 2. Spray tank; 3. Spray pipe; 4. Exhaust gas inlet pipe; 5. Observation window; 6. Rotating plate; 7. Collection chamber; 8. Second motor; 9. Rotating shaft; 10. Stirring blade; 11. Drain pipe; 12. Opening and closing door; 13. Collection frame; 14. Hidden handle; 15. Partition; 16. Bell mouth; 17. Valve; 18. Mounting frame; 19. Annular convex plate; 20. Rotating shaft. DETAILED DESCRIPTION

[0019] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation methods, mechanisms, features and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0020] Example: Please refer to Figure 1-2A styrene waste gas treatment device includes a spray tank 2 provided with a spray pipe 3 and an outlet pipe 1, the exhaust gas inlet pipe 4 is connected to the middle of the spray tank 2, and also includes two collecting chambers 7 fixedly connected to the lower part of the spray tank 2 and symmetrically distributed, the bottom of the collecting chamber 7 is connected to the liquid outlet pipe, and a valve 17 is provided on the liquid outlet pipe. The two collecting chambers 7 are connected by a partition 15, and a rotating shaft 20 is embedded in the top of the partition 15. A rotating plate 6 is fixed on the rotating shaft 20, and the rotating plate 6 is tightly attached to the top of one of the collecting chambers 7. A collecting frame 13 with a filter screen at the bottom is embedded in the interior of the collecting chamber 7, and a large notch is provided inside the collecting chamber 7 for the collection frame 13 to move, and an opening and closing door 12 for removing the collection frame 13 is provided on the side wall of the spray tank 2. During the spraying process, the rotating plate 6 is in a vertical state. At this time, since the precipitate generated by spraying will fall into the two collecting frames 13, when it needs to be cleaned, it is only necessary to rotate the rotating shaft 20 to rotate the rotating plate 6 and close it to the top of a collecting chamber 7, and then close the valve 17 installed under the collecting chamber 7, and then remove the opening and closing door 12, take out the collecting frame 13, and clean the precipitate. In this process, the spray liquid will flow through the rotating plate 6 to the other collecting chamber 7, so as not to affect the treatment of the exhaust gas; therefore, the present invention collects the precipitate generated by spraying in the collecting frame 13, thereby avoiding the precipitate from falling directly into the potassium permanganate solution at the bottom of the spray tank 2, facilitating cleaning while eliminating the possibility of precipitate clogging the liquid guide tube, thereby ensuring the normal use of the device.In this embodiment, both ends of the rotating shaft 20 are rotatably connected to the side walls of the spray tank 2, and one end of the rotating shaft 20 passes through the side wall of the spray tank 2, and one end of the rotating shaft 20 passing through the side wall of the spray tank 2 is fixedly connected to the output end of the first motor fixedly connected to the side wall of the spray tank 2, thereby realizing the rotation of the rotating plate 6 at various angles; and the top of the collecting chamber 7 is arranged tilted, which reduces the rotation angle of the rotating plate 6 while facilitating the flow of the spray liquid from the rotating plate 6 into another collecting chamber 7; a sealing strip is embedded in the rotating plate 6, which is tightly pressed against the top of the collecting chamber 7 to prevent exhaust gas leakage; and the opening and closing door 12 and the collecting frame 13 are both provided with hidden handles 14, which are convenient for disassembly and assembly of the opening and closing door 12 and the collecting frame 13; an observation window 5 is also provided on the side wall of the spray tank 2, and the observation window 5 is located between the exhaust gas inlet pipe 4 and the rotating plate 6, which is convenient for observing the spray The filter screen inside the shower tank 2 is blocked; the middle part of the collecting chamber 7 is provided with an annular convex plate 19 for placing the collecting frame 13, and the bottom of the collecting chamber 7 is a bell-mouth 16. The bottom of the bell-mouth 16 is connected to the liquid outlet pipe, making the structure of the device more compact; the bottom of the spray tank 2 is connected to the circulation pump through the drain pipe 11, and the liquid outlet of the circulation pump is connected to the spray pipe 3, so as to realize the recycling of the spray liquid; in addition, the spray liquid can be added from the opening and closing door 12; and a mounting frame 18 is fixedly connected to the side wall of the bell-mouth 16, and a second motor 8 is provided on the mounting frame 18. The output end of the second motor 8 is fixedly connected to a rotating shaft 9, and a stirring blade 10 is fixedly connected to the side wall of the rotating shaft 9. The stirring blade 10 is provided with a plurality of through holes, which can stir the high manganese acid value solution to ensure its uniform concentration, thereby effectively ensuring the treatment efficiency of styrene.

[0021] Working principle: During the spraying process, the rotating plate 6 is in a vertical state under the action of the first motor. At this time, the sediment generated by the spraying will fall into the two collecting frames 13. When it needs to be cleaned, it is only necessary to start the first motor to rotate the rotating shaft 20, thereby rotating the rotating plate 6. When the rotating plate 6 is close to the top of a collection chamber 7, the motor stops, and then the valve 17 installed under the collection chamber 7 is closed. Then the opening and closing door 12 can be removed, the collection frame 13 can be taken out, and the sediment can be cleaned. In this process, the spray liquid will flow through the rotating plate 6 to the other collection chamber 7, so as not to affect the treatment of the exhaust gas. Therefore, the present invention collects the sediment generated by the spraying in the collection frame 13, thereby avoiding the sediment from falling directly into the potassium permanganate solution at the bottom of the spray tank 2, facilitating cleaning while eliminating the possibility of sediment blocking the liquid guide tube, thereby ensuring the normal use of the device.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "upper," "lower," "left," "right," "front," "rear," and similar expressions used herein are for illustrative purposes only.

[0023] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A styrene waste gas treatment device, comprising a spray tank (2) provided with a spray pipe (3) and an exhaust pipe (1), wherein an exhaust gas inlet pipe (4) is connected to the middle of the spray tank (2), characterized in that: The invention also includes two collecting chambers (7) fixedly connected to the lower part of the spray tank (2) and symmetrically distributed, the bottom of the collecting chamber (7) is connected to the liquid outlet pipe, the liquid outlet pipe is provided with a valve (17), the two collecting chambers (7) are connected by a partition (15), the top of the partition (15) is embedded with a rotating shaft (20), the rotating shaft (20) is fixed with a rotating plate (6), the rotating plate (6) is in close contact with the top of one of the collecting chambers (7), the interior of the collecting chamber (7) is embedded with a collecting frame (13) with a filter screen at the bottom, the interior of the collecting chamber (7) is provided with a large notch for the collection frame (13) to move, and the side wall of the spray tank (2) is provided with an opening and closing door (12) for taking out the collection frame (13).

2. The styrene waste gas treatment device according to claim 1, characterized in that: Both ends of the rotating shaft (20) are rotatably connected to the side wall of the spray tank (2), and one end of the rotating shaft (20) passes through the side wall of the spray tank (2). The end of the rotating shaft (20) that passes through the side wall of the spray tank (2) is fixedly connected to the output end of the first motor fixedly connected to the side wall of the spray tank (2).

3. The styrene waste gas treatment device according to claim 1, characterized in that: The top of the collecting chamber (7) is arranged inclined.

4. The styrene waste gas treatment device according to claim 1, characterized in that: A sealing strip is embedded on the rotating plate (6), and the sealing strip is tightly pressed against the top of the collecting chamber (7).

5. The styrene waste gas treatment device according to claim 1, characterized in that: The opening and closing door (12) and the collecting frame (13) are both provided with hidden handles (14).

6. The styrene waste gas treatment device according to claim 1, characterized in that: An observation window (5) is also provided on the side wall of the spray tank (2), and the observation window (5) is located between the exhaust gas inlet pipe (4) and the rotating plate (6).

7. The styrene waste gas treatment device according to claim 1, characterized in that: An annular convex plate (19) for placing the collecting frame (13) is provided in the middle of the collecting chamber (7). The bottom of the collecting chamber (7) is a bell mouth (16), and the bottom of the bell mouth (16) is connected to the liquid outlet pipe.

8. The styrene waste gas treatment device according to claim 7, characterized in that: The bottom of the spray tank (2) is connected to a circulation pump via a liquid discharge pipe (11), and the liquid outlet of the circulation pump is connected to the spray pipe (3).

9. The styrene waste gas treatment device according to claim 8, characterized in that: A mounting frame (18) is fixedly connected to the side wall of the bell mouth (16), a second motor (8) is provided on the mounting frame (18), a rotating shaft (9) is fixedly connected to the output end of the second motor (8), and a stirring blade (10) is fixedly connected to the side wall of the rotating shaft (9).

10. The styrene waste gas treatment device according to claim 9, characterized in that: The stirring blade (10) is provided with a plurality of through holes.

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