CN216743260U

CN216743260U - 4-tert-butylpyridine production is with tail gas absorption cauldron sealing mechanism that admits air

Info

Publication number: CN216743260U
Application number: CN202220037562.3U
Authority: CN
Inventors: 陈佳; 刘鹏程
Original assignee: Anqing Boman Biotechnology Co ltd
Current assignee: Anqing Boman Biotechnology Co ltd
Priority date: 2022-01-08
Filing date: 2022-01-08
Publication date: 2022-06-14
Anticipated expiration: 2032-01-08

Abstract

The invention belongs to the technical field of sealing mechanisms, and particularly discloses a tail gas absorption kettle air inlet sealing mechanism for 4-tert-butylpyridine production, which comprises a sealing shell, wherein one side of the outer side surface of the sealing shell is fixedly connected with a vent pipe, the other side of the outer side surface of the sealing shell is fixedly connected with an air guide seat, the top end surface of the air guide seat is fixedly connected with two symmetrically-arranged lug plates, and a pressing handle is movably connected between the two lug plates; sealed housing's top is run through and is provided with the piston rod, and sealed housing's inside has seted up the cavity, and the inside swing joint of cavity has the piston head with piston rod bottom fixed connection, and cavity one side is equipped with seal assembly, cavity and breather pipe intercommunication, and seal assembly specifically includes: the limiting seat is fixed at the bottom end of the cavity, and an air guide channel is formed in the limiting seat. The invention solves the technical problems of slow connection speed and poor sealing performance in the prior art, and realizes the technical effects of high connection speed and good sealing performance.

Description

4-tert-butylpyridine production is with tail gas absorption cauldron sealing mechanism that admits air

Technical Field

The invention relates to the technical field of sealing mechanisms, in particular to a tail gas absorption kettle gas inlet sealing mechanism for 4-tert-butylpyridine production.

Background

4-tert-butylpyridine is a chemical with the molecular formula of C9H13N and is commonly used as an additive of a power supply liquid of a dye-sensitized solar cell. 4-tert-butylpyridine produces tail gas in the production process, and in order to avoid pollution caused by direct emission of the tail gas to the atmosphere, the tail gas needs to be introduced into a tail gas absorption kettle.

The air inlet of tail gas absorption cauldron is connected with the pipeline of carrying tail gas, and in order to guarantee the leakproofness that the two are connected, people set up sealing mechanism between the two, and common sealing mechanism installs the sealing washer in the junction more.

However, in the process of implementing the technical scheme of the invention in the embodiment of the present application, the inventor of the present application finds that at least the following technical problems exist: the connection speed is slow and the sealing is poor.

Disclosure of Invention

The embodiment of the application provides a 4-tert-butylpyridine production is with tail gas absorption cauldron sealing mechanism that admits air, has solved the slower and not good technical problem of leakproofness of connection speed among the prior art, has realized that connection speed is faster and the good technical effect of leakproofness.

The embodiment of the application provides a tail gas absorption kettle air inlet sealing mechanism for 4-tert-butylpyridine production, which comprises a sealing shell, wherein one side of the outer side surface of the sealing shell is fixedly connected with a vent pipe, the other side of the outer side surface of the sealing shell is fixedly connected with an air guide seat, the top end surface of the air guide seat is fixedly connected with two symmetrically-arranged ear plates, and a pressing handle is movably connected between the two ear plates; the top end of the sealing shell is provided with a piston rod in a penetrating mode, the inside of the sealing shell is provided with a cavity, the inside of the cavity is movably connected with a piston head fixedly connected with the bottom end of the piston rod, a sealing assembly is arranged on one side of the cavity, and the cavity is communicated with the vent pipe.

Further, the seal assembly specifically includes: the limiting seat is fixed at the bottom end of the cavity, the air guide channel is formed in the limiting seat, the air inlet hole communicated with the cavity is formed in the air guide seat, the rubber ring is embedded in the inner wall of the air inlet hole, the air cavity is formed in the rubber ring, and the air cavity is communicated with one end of the air guide channel.

Furthermore, a clamping groove is formed in the bottom end face of the piston head, a limiting block is fixedly connected to the center of the top end of the clamping groove, a spring column is fixedly connected between the piston head and the bottom end of the cavity, one end of the spring column is clamped in the clamping groove and sleeved outside the limiting block, and the other end of the spring column is sleeved outside the limiting seat.

Furthermore, an elastic thread head is fixedly connected to an opening of the air inlet hole.

Furthermore, the air inlet hole and the vent pipe are respectively positioned at two sides of the top of the cavity, and the piston head blocks a channel between the air inlet hole and the vent pipe.

Further, the ear plate is in interference contact with the pressing handle.

The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:

1. due to the adoption of the sealing assembly, the piston rod and the piston head, the technical problems of low connection speed and poor sealing performance in the prior art are effectively solved, and the technical effects of high connection speed and good sealing performance are further realized.

2. Owing to adopted spring post, stopper and spacing seat, the stopper uses the steadiness that can improve the spring post with the cooperation of spacing seat, avoids the spring post skew, and pulls the original position after pressing the handle, and the spring post home position for the piston head shifts up and leads to the passageway between inlet port and the breather pipe to block up once more, convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of a sealing mechanism in an embodiment of the present application;

FIG. 2 is an internal view of a seal housing in an embodiment of the present application;

FIG. 3 is an enlarged view of A in FIG. 2 according to an embodiment of the present application;

FIG. 4 is a view of the combination of the piston head and spring post of the present embodiment.

In the figure: 1. sealing the housing; 2. a breather pipe; 3. a gas guide seat; 4. an ear plate; 5. pressing the handle; 6. A piston rod; 7. a piston head; 8. a cavity; 9. a spring post; 10. a limiting seat; 11. an air guide channel; 12. A rubber ring; 13. an air cavity; 14. an air inlet; 15. an elastic thread head; 16. a card slot; 17. and a limiting block.

Detailed Description

According to the embodiment of the application, the technical problems that the connection speed is low and the sealing performance is poor in the prior art are solved through the arranged sealing assembly, the piston rod 6 and the piston head 7, and the technical effects that the connection speed is high and the sealing performance is good are achieved.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 4, in the embodiment of the present application, an intake sealing mechanism of a tail gas absorption kettle for producing 4-tert-butylpyridine includes a sealing housing 1, a vent pipe 2 is fixedly connected to one side of an outer side of the sealing housing 1, an air guide seat 3 is fixedly connected to the other side of the outer side of the sealing housing 1, two symmetrically disposed ear plates 4 are fixedly connected to a top end surface of the air guide seat 3, and a pressing handle 5 is movably connected between the two ear plates 4; the top of seal housing 1 runs through and is provided with piston rod 6, and seal housing 1's inside has seted up cavity 8, and the inside swing joint of cavity 8 has the piston head 7 with 6 bottom fixed connection of piston rod, and 8 one side of cavity is equipped with seal assembly, cavity 8 and breather pipe 2 intercommunication. Through the sealing assembly, the piston rod 6 and the piston head 7, the technical problems of low connection speed and poor sealing performance in the prior art are solved, and the technical effects of high connection speed and good sealing performance are achieved.

In fig. 1: the ear plate 4 is in interference contact with the pressing handle 5. This arrangement prevents the push handle 5 from being rotated freely.

In fig. 2: an elastic thread head 15 is fixedly connected at the opening of the air inlet hole 14. The elastic thread head 15 is convenient for connecting a pipeline for conveying tail gas.

In fig. 2: the air inlet hole 14 and the vent pipe 2 are respectively positioned at two sides of the top of the cavity 8, and the piston head 7 blocks a channel between the air inlet hole 14 and the vent pipe 2. This setting guarantees that tail gas does not leak when earlier stage is connected.

In fig. 2 and 3: the seal assembly specifically includes: spacing seat 10, spacing seat 10 are fixed in 8 bottoms of cavity, and the air guide channel 11 has been seted up to the inside of spacing seat 10, and the inlet port 14 with 8 intercommunications of cavity is seted up to the inside of air guide seat 3, and the inner wall of inlet port 14 has inlayed rubber ring 12, and air cavity 13 has been seted up to the inside of rubber ring 12, and air cavity 13 and air guide channel 11 one end intercommunication. During the use, install breather pipe 2 on tail gas absorption kettle's air inlet earlier, the pipeline that will carry tail gas again inserts in the inlet port 14, it can to fix through screwing in the nut on elasticity thread head 15 again, then, rotate and push down and press down handle 5, make and press down handle 5 and push down piston rod 6, and then drive piston head 7 and move down, thereby make the gas in the cavity 8 extrude the air cavity 13 of rubber circle 12 through air guide channel 11, rubber circle 12 bloates the clearance between abundant packing rubber circle 12 and the pipeline of carrying tail gas, and then improve the leakproofness, meanwhile, piston head 7 moves down and leads to the passageway circulation between inlet port 14 and the breather pipe 2, and then begin to carry out the gas transmission.

In fig. 3 and 4: the clamping groove 16 is formed in the bottom end face of the piston head 7, the limiting block 17 is fixedly connected to the center of the top end of the clamping groove 16, the spring column 9 is fixedly connected between the piston head 7 and the bottom end of the cavity 8, one end of the spring column 9 is clamped in the clamping groove 16 and sleeved outside the limiting block 17, and the other end of the spring column 9 is sleeved outside the limiting seat 10. During the downward movement of the piston head 7, the spring column 9 is compressed, and the limiting block 17 and the limiting seat 10 are matched to improve the stability of the spring column 9, so that the spring column 9 is prevented from offsetting. When the pressing handle 5 is pulled to the original position, the spring column 9 is restored to the original position, so that the piston head 7 moves upwards to cause the channel between the air inlet hole 14 and the air vent pipe 2 to be blocked again.

The working principle is as follows: this 4-tert-butylpyridine production is with tail gas absorption cauldron sealing mechanism that admits air when using, at first, install breather pipe 2 on the air inlet of tail gas absorption cauldron earlier, insert the pipeline of carrying tail gas in inlet port 14 again, it can to fix through screwing in the nut on elasticity thread head 15 again, then, rotate and push down and press handle 5, make press handle 5 to push down piston rod 6, and then drive piston head 7 and move down, thereby make the gas in the cavity 8 extrude the air cavity 13 of rubber circle 12 through air guide channel 11, rubber circle 12 is bloated and is fully filled the clearance between rubber circle 12 and the pipeline of carrying tail gas, and then improve the leakproofness, meanwhile, piston head 7 moves down and leads to the passageway circulation between inlet port 14 and breather pipe 2, and then begin to carry out the gas transmission. When the pressing handle 5 is pulled to the original position, the spring column 9 is restored to the original position, so that the piston head 7 moves upwards to cause the channel between the air inlet hole 14 and the air vent pipe 2 to be blocked again.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can substitute or change the technical solution and its concept of the present application within the technical scope disclosed in the present application, and shall be covered by the scope of the present application.

Claims

1. The air inlet sealing mechanism of the tail gas absorption kettle for producing the 4-tert-butylpyridine is characterized by comprising a sealing shell (1), wherein one side of the outer side surface of the sealing shell (1) is fixedly connected with a vent pipe (2), the other side of the outer side surface of the sealing shell (1) is fixedly connected with an air guide seat (3), the top end surface of the air guide seat (3) is fixedly connected with two symmetrically-arranged ear plates (4), and a pressing handle (5) is movably connected between the two ear plates (4);

the top of seal housing (1) runs through and is provided with piston rod (6), and cavity (8) have been seted up to the inside of seal housing (1), the inside swing joint of cavity (8) has piston head (7) with piston rod (6) bottom fixed connection, and cavity (8) one side is equipped with seal assembly, cavity (8) and breather pipe (2) intercommunication.

2. The intake sealing mechanism of the tail gas absorption kettle for producing 4-tert-butylpyridine according to claim 1, wherein the sealing assembly specifically comprises: the air guide device comprises a limiting seat (10), wherein the limiting seat (10) is fixed at the bottom end of a cavity (8), an air guide channel (11) is formed in the limiting seat (10), an air inlet hole (14) communicated with the cavity (8) is formed in the air guide seat (3), a rubber ring (12) is embedded in the inner wall of the air inlet hole (14), an air cavity (13) is formed in the rubber ring (12), and the air cavity (13) is communicated with one end of the air guide channel (11).

3. The intake sealing mechanism of the tail gas absorption kettle for the production of 4-tert-butylpyridine according to claim 2, characterized in that a clamping groove (16) is formed in a bottom end face of the piston head (7), a limiting block (17) is fixedly connected to a center of a top end of the clamping groove (16), a spring column (9) is fixedly connected between the piston head (7) and a bottom end of the cavity (8), one end of the spring column (9) is clamped in the clamping groove (16) and sleeved outside the limiting block (17), and the other end of the spring column (9) is sleeved outside the limiting seat (10).

4. The air inlet sealing mechanism of the tail gas absorption kettle for producing 4-tert-butylpyridine according to claim 2, wherein the opening of the air inlet (14) is fixedly connected with an elastic thread head (15).

5. The intake sealing mechanism of the tail gas absorption kettle for producing 4-tert-butylpyridine according to claim 2, wherein the intake hole (14) and the vent pipe (2) are respectively located at two sides of the top of the cavity (8), and the piston head (7) blocks the passage between the intake hole (14) and the vent pipe (2).

6. The intake sealing mechanism of the tail gas absorption kettle for producing 4-tert-butylpyridine according to claim 1, wherein the ear plate (4) is in interference contact with the pressing handle (5).