Chlorosilane waste gas recovery treatment device

Abstract

The utility model relates to the technical field of chlorosilane waste gas treatment, and discloses a chlorosilane waste gas recovery treatment device. Comprising a tank body, a plurality of baffles are fixedly connected in the tank body, each baffle is provided with a plurality of vent holes, the vent holes are formed in one sides of the baffles, the vent holes in the baffles are formed in a staggered mode, an air inlet pipe is arranged on the circumferential outer wall of the tank body and communicates with the interior of the tank body, and the air inlet pipe communicates with the interior of the tank body. The outer wall of the top of the tank body is provided with an exhaust pipe, and the exhaust pipe is communicated with the interior of the tank body, so that the traveling route of chlorosilane waste gas in the tank body can be changed through the arranged baffles, the contact time of the chlorosilane waste gas and an alkaline solution is longer, and the alkaline solution can absorb the chlorosilane waste gas more sufficiently; and the stirring plate is arranged to stir the mixed liquid of the alkali solution and the chlorosilane waste gas in the tank body, so that the alkali solution and the chlorosilane waste gas are more fully mixed.

Description

Technical Field

[0001] The utility model relates to the technical field of chlorosilane waste gas treatment, and more specifically to a chlorosilane waste gas recovery and treatment device. Background Art

[0002] With the continuous advancement of industrial production technology, people pay more and more attention to environmental protection. In industrial production, more chlorosilane waste gas will be generated, and chlorosilane waste gas is very harmful to the human body, so it is very necessary to treat chlorosilane waste gas from industrial production.

[0003] After searching, the Chinese patent with publication number CN206535403U discloses a chlorosilane analysis waste gas recovery and treatment device. However, there are still the following defects: when using alkaline solution to treat the residual chlorosilane gas, the gas pipe is directly checked to the bottom of the container, and the body directly floats to the top of the liquid after entering the container and then discharged. The contact time between the gas and the solution is short, and the reaction is not complete, resulting in residual waste gas being discharged. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a chlorosilane waste gas recovery and treatment device to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a chlorosilane waste gas recovery and treatment device, comprising a tank body, wherein a plurality of baffles are fixedly connected to the tank body, a plurality of vents are provided on the baffles, and the plurality of vents are provided on one side of the baffles, and the plurality of vents on the baffles are staggered, an air inlet pipe is provided on the circumferential outer wall of the tank body, and the air inlet pipe is communicated with the interior of the tank body, an exhaust pipe is provided on the top outer wall of the tank body, and the exhaust pipe is communicated with the interior of the tank body.

[0006] As a further solution of the utility model, a motor is fixedly connected to the top outer wall of the tank body, one end of the motor output shaft is keyed to a rotating shaft, two stirring plates are fixedly connected to the circumferential outer wall of the rotating shaft, and the two stirring plates are respectively arranged between multiple baffles, and multiple circular holes are opened on the two stirring plates.

[0007] As a further solution of the utility model, a circular ring is fixedly connected to the bottom outer wall of the tank body, two arc-shaped plates are fixedly connected to the circumferential inner wall of the circular ring, the bottom end of the rotating shaft is fixedly connected to a cylinder, and the other end of the cylinder passes through the bottom outer wall of the tank body, the circumferential outer wall of the cylinder is fixedly connected to a square tube, a square rod is slidably connected in the square tube, one end of the square rod is fixedly connected to a spring, and the other end of the spring is fixed to one inner wall of the square tube, one end of the square rod is fixedly connected to a hammer head, and the hammer head is in contact with the circumferential inner wall of the circular ring.

[0008] As a further solution of the utility model, the upper surface and the lower surface of the baffle are both fixedly connected with a limit ring, and the limit ring is fixed at the center of the baffle and is rotatably connected to the rotating shaft.

[0009] As a further solution of the present invention, the plurality of baffles are all arranged at an angle, and there is a staggered tendency between any two adjacent baffles.

[0010] As a further solution of the utility model, a liquid inlet pipe is provided on the circumferential outer wall of the tank body, and the position of the liquid inlet pipe is close to the bottom of the tank body, and a liquid discharge pipe is provided on the circumferential outer wall of the tank body, and the position of the liquid discharge pipe is close to the top of the tank body.

[0011] As a further solution of the utility model, a display is fixedly connected to the top outer wall of the tank body, and the display has multiple display screens. A plurality of concentration sensors are arranged on the circumferential inner wall of the tank body, and the plurality of concentration sensors are electrically connected to the display.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model changes the path of the chlorosilane waste gas in the tank body by means of a plurality of baffles, so that the chlorosilane waste gas moves in an S-shaped path in the tank body, so that the contact time between the chlorosilane waste gas and the alkaline solution is longer, and the reaction time is increased so that the alkaline solution can absorb the chlorosilane waste gas more fully.

[0014] 2. The utility model stirs the liquid mixed with the alkaline solution and the chlorosilane waste gas in the tank body through the stirring plate provided, so that the alkaline solution and the chlorosilane waste gas are mixed more fully, and at the same time plays a role of diversion, facilitating the movement of the chlorosilane waste gas in the tank body, and further mixing through the multiple circular holes provided.

[0015] 3. The utility model is provided with a circular ring, a hammer head and an arc-shaped plate. When the shaft rotates, the hammer head passes through the arc-shaped plate and knocks the circular ring, so that the tank body vibrates, thereby facilitating the discharge of bubbles adsorbed on the tank body and the baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the tank body of the utility model.

[0018] Figure 3 It is a partial enlarged structural schematic diagram of the utility model.

[0019] Figure 4 It is a schematic diagram of the enlarged structure of part A of the utility model.

[0020] The accompanying drawings are marked as follows: 1. tank body; 2. display; 3. exhaust pipe; 4. rotating shaft; 5. baffle; 6. vent; 7. stirring plate; 8. circular hole; 9. air inlet pipe; 10. liquid inlet pipe; 11. liquid discharge pipe; 12. limiting ring; 13. cylinder; 14. circular ring; 15. square tube; 16. square rod; 17. hammer head; 18. arc plate; 19. concentration sensor. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0022] Reference Figure 1-Figure 4 The utility model provides a chlorosilane waste gas recovery and treatment device, including a tank body 1, wherein a plurality of baffles 5 are fixedly connected to the tank body 1 by bolts, a plurality of vent holes 6 are provided on the plurality of baffles 5, and the plurality of vent holes 6 are provided on one side of the baffles 5, and the plurality of vent holes 6 on the plurality of baffles 5 are provided in a staggered manner, an air inlet pipe 9 is provided on the circumferential outer wall of the tank body 1, and the air inlet pipe 9 is communicated with the inside of the tank body 1, an exhaust pipe 3 is provided on the top outer wall of the tank body 1, and the exhaust pipe 3 is communicated with the inside of the tank body 1, and the travel route of the chlorosilane waste gas in the tank body 1 is changed by the plurality of baffles 5, and the waste gas of the chlorosilane is traveled in an S-shaped route in the tank body 1, so that the chlorosilane waste gas is in contact with the alkaline solution for a longer time, and the reaction time is increased so that the alkaline solution can absorb the chlorosilane waste gas more fully.

[0023] Among them, the top outer wall of the tank body 1 is fixedly connected to the motor by bolts, and one end of the motor output shaft is connected to the rotating shaft 4. The circumferential outer wall of the rotating shaft 4 is fixedly connected to two stirring plates 7 by bolts, and the two stirring plates 7 are respectively arranged between multiple baffles 5. Multiple circular holes 8 are opened on the two stirring plates 7. The liquid mixed with the alkaline solution and the chlorosilane waste gas in the tank body 1 is stirred by the stirring plates 7, so that the alkaline solution and the chlorosilane waste gas are more fully mixed, and at the same time, it plays a role of diversion, which facilitates the chlorosilane waste gas to move in the tank body 1, and further mixes through the multiple circular holes 8. The bottom outer wall of the tank body 1 is fixedly connected to the ring 14 by bolts, and the ring 14 The inner circumferential wall of the ring 14 is fixedly connected with two arc plates 18 by bolts, the bottom end of the rotating shaft 4 is welded with a cylinder 13, and the other end of the cylinder 13 passes through the bottom outer wall of the tank body 1, the outer circumferential wall of the cylinder 13 is fixedly connected with a square tube 15 by bolts, and a square rod 16 is slidably connected in the square tube 15, one end of the square rod 16 is welded with a spring, and the other end of the spring is fixed to the inner wall of one side of the square tube 15, and one end of the square rod 16 is fixedly connected with a hammer 17 by bolts, and the hammer 17 contacts the inner circumferential wall of the ring 14, and through the provided ring 14, hammer 17 and arc plate 18, when the rotating shaft 4 rotates, the hammer 17 passes through the arc plate 18 and knocks the ring 14, so that the tank The body 1 generates vibration to facilitate the discharge of bubbles adsorbed on the tank body 1 and the baffle 5. The upper surface and the lower surface of the baffle 5 are fixedly connected to the limiting ring 12 by bolts, and the limiting ring 12 is fixed to the center of the baffle 5 and is rotatably connected to the rotating shaft 4. The position of the baffle 5 is limited by the limiting ring 12 to prevent the baffle 5 from loosening. Multiple baffles 5 are tilted, and there is a staggered trend between two adjacent baffles 5. By tilting multiple baffles 5, it is more convenient for chlorosilane waste gas to float in the alkaline solution. A liquid inlet pipe 10 is provided on the circumferential outer wall of the tank body 1, and the position of the liquid inlet pipe 10 is close to the bottom of the tank body 1. A drainage pipe is provided on the circumferential outer wall of the tank body 1. Tube 11, and the position of the drain pipe 11 is close to the top of the tank body 1. Through the provided liquid inlet pipe 10 and the drain pipe 11, new alkaline solution can be added to the tank body 1, and the consumed alkaline solution can be discharged to prevent excessive consumption of the alkaline solution, which leads to poor absorption effect. The top outer wall of the tank body 1 is fixedly connected with a display 2 by bolts, and the display 2 has multiple display screens. The circumferential inner wall of the tank body 1 is provided with multiple concentration sensors 19, and the multiple concentration sensors 19 are electrically connected to the display 2. The concentration of the alkaline solution at each position in the tank body 1 can be detected at any time through the provided concentration sensor 19 and the display 2, which is convenient for the staff to confirm the concentration of the alkaline solution in the tank body 1.

[0024] The utility model is divided into the following steps when used:

[0025] S1: First, the alkaline solution is filled into the tank body 1, and then the chlorosilane waste gas is added into the tank body 1 through the air inlet pipe 9. The chlorosilane waste gas will travel in an S shape between the multiple baffles 5, so that the chlorosilane waste gas is better in contact with the alkaline solution, so that the alkaline solution can fully absorb the chlorosilane waste gas;

[0026] S2: The motor is started to drive the rotating shaft 4 to rotate, and the rotating shaft 4 drives the stirring plate 7 to rotate, stirring the mixture in the tank body 1, so that the alkaline solution and the chlorosilane waste gas are better mixed and the reaction is more complete;

[0027] S3: The rotation of the rotating shaft 4 drives the cylinder 13 to rotate, and at the same time drives the square tube 15 to rotate, thereby driving the hammer head 17 to rotate along the ring 14. When the hammer head 17 and the arc plate 18 are in contact, the square rod 16 contracts and slides along the inner wall of the square tube 15. At the same time, the square rod 16 squeezes the spring to make the spring stressed. When the hammer head 17 slides over the arc plate 18, the spring releases the elastic force to make the hammer head 17 hit the ring 14, thereby causing the tank body 1 to vibrate, thereby facilitating the discharge of bubbles adsorbed on the tank body 1 and the baffle 5.

[0028] Finally, a few points should be explained: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0029] In the drawings of the embodiments disclosed by the present invention, only the structures related to the embodiments disclosed by the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. A chlorosilane waste gas recovery and treatment device, comprising a tank body (1), characterized in that: A plurality of baffles (5) are fixedly connected inside the tank body (1), and a plurality of ventilation holes (6) are provided on each of the baffles (5), and the plurality of ventilation holes (6) are provided on one side of the baffles (5), and the plurality of ventilation holes (6) on the plurality of baffles (5) are provided in a staggered manner. An air inlet pipe (9) is provided on the circumferential outer wall of the tank body (1), and the air inlet pipe (9) is communicated with the inside of the tank body (1). An exhaust pipe (3) is provided on the top outer wall of the tank body (1), and the exhaust pipe (3) is communicated with the inside of the tank body (1).

2. A chlorosilane waste gas recovery and treatment device according to claim 1, characterized in that: A motor is fixedly connected to the top outer wall of the tank body (1); one end of the motor output shaft is keyed to a rotating shaft (4); two stirring plates (7) are fixedly connected to the circumferential outer wall of the rotating shaft (4); the two stirring plates (7) are respectively arranged between a plurality of baffles (5); and a plurality of circular holes (8) are provided on the two stirring plates (7).

3. A chlorosilane waste gas recovery and treatment device according to claim 2, characterized in that: A circular ring (14) is fixedly connected to the outer wall of the bottom of the tank body (1), and two arc-shaped plates (18) are fixedly connected to the inner wall of the circumference of the circular ring (14). A circular cylinder (13) is fixedly connected to the bottom end of the rotating shaft (4), and the other end of the circular cylinder (13) passes through the outer wall of the bottom of the tank body (1). A square tube (15) is fixedly connected to the outer wall of the circumference of the cylinder (13), and a square rod (16) is slidably connected inside the square tube (15). One end of the square rod (16) is fixedly connected to a spring, and the other end of the spring is fixed to the inner wall of one side of the square tube (15). One end of the square rod (16) is fixedly connected to a hammer head (17), and the hammer head (17) contacts the inner wall of the circumference of the circular ring (14).

4. The chlorosilane waste gas recovery and treatment device according to claim 1, characterized in that: The upper surface and the lower surface of the baffle (5) are both fixedly connected to a limiting ring (12), and the limiting ring (12) is fixed at the center of the baffle (5) and is rotatably connected to the rotating shaft (4).

5. A chlorosilane waste gas recovery and treatment device according to claim 4, characterized in that: The plurality of baffles (5) are all arranged obliquely, and two adjacent baffles (5) have a staggered tendency.

6. A chlorosilane waste gas recovery and treatment device according to claim 3, characterized in that: A liquid inlet pipe (10) is provided on the circumferential outer wall of the tank body (1), and the position of the liquid inlet pipe (10) is close to the bottom of the tank body (1); a liquid discharge pipe (11) is provided on the circumferential outer wall of the tank body (1), and the position of the liquid discharge pipe (11) is close to the top of the tank body (1).

7. A chlorosilane waste gas recovery and treatment device according to claim 6, characterized in that: A display (2) is fixedly connected to the top outer wall of the tank body (1), and the display (2) has a plurality of display screens. A plurality of concentration sensors (19) are provided on the circumferential inner wall of the tank body (1), and the plurality of concentration sensors (19) are electrically connected to the display (2).

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