CN216078450U - Blow-down pipe assembly - Google Patents

Abstract

The utility model discloses an emptying pipe assembly, which relates to the technical field of industrial equipment, and the technical scheme is as follows: the guide structure comprises a first bulge and a second bulge which are integrally arranged with the tube body, the first bulge and the second bulge are both of annular structures, the first bulge is positioned above the second bulge, a first transverse plate is arranged between the first bulge and the second bulge, and the first transverse plate is transversely and fixedly connected to the inner wall of the tube body; still be equipped with first spring and second spring in the body, first spring one end fixed connection is in first diaphragm up end, first spring other end fixed connection has first seal, and terminal surface under second spring one end fixed connection is in first diaphragm, and second spring other end fixed connection has the second seal. The device has the effects of preventing the waste gas in the emptying pipeline from flowing back, blocking the gas intercommunication in different reaction tanks and polluting the production process.

Description

Blow-down pipe assembly

Technical Field

The utility model relates to the technical field of industrial equipment, in particular to a blow-down pipe assembly.

Background

The function of the vent pipe is a pipeline arranged for discharging media which are harmful to normal operation and maintenance of equipment in containers, pipelines and other equipment, and the media discharged by the vent pipe installed in most production enterprises are waste gases generated in the production process.

The arrangement of the flare lines will typically be arranged according to the number of flares required, the installation orientation of the flares. When current pharmacy enterprise is giving production line installation blow-down pipe, for the convenience of installation, practice thrift manufacturing cost and exhaust-gas treatment cost simultaneously, each blow-down pipeline is not connected to outdoor alone, but all blow-down pipelines on same production line all communicate same pipeline and connect to outdoor again, so the waste gas in the blow-down pipeline is probably backward flow, in other several retort of probably circulating in addition, causes the pollution for production technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a blow-down pipe assembly, which solves the problem that gas in a blow-down pipe flows back to pollute a reaction tank.

The technical purpose of the utility model is realized by the following technical scheme: a blow-down pipe assembly comprises a pipe body, wherein the upper end of the pipe body is an air inlet, the lower end of the pipe body is an air outlet, a guide structure is arranged in the pipe body, the guide structure comprises a first bulge and a second bulge which are integrally arranged with the pipe body, the first bulge and the second bulge are both of annular structures, the first bulge is positioned above the second bulge, a first transverse plate is arranged between the first bulge and the second bulge, and the first transverse plate is transversely and fixedly connected to the inner wall of the pipe body; still be equipped with first spring and second spring in the body, first spring one end fixed connection is in first diaphragm up end, first spring other end fixed connection has first seal, and terminal surface under second spring one end fixed connection is in first diaphragm, and second spring other end fixed connection has the second seal.

The principle of the scheme is as follows: and a vent is formed in the upper end head of the reaction tank, the vent is connected with a vent air inlet, and a vent air outlet is connected with a vent header pipe. When no gas passes through, the first sealing body is in close contact with the first protrusion based on the compression force of the spring, and the second sealing body is in close contact with the second protrusion based on the compression force of the spring. When the retort operation, produce waste gas, the jar internal gas pressure rises, and the air current lets in the blow-down pipe from the blow-down pipe air inlet, and at this moment, gaseous first seal of promotion rebound, first seal drive first spring further compression, produce the clearance between first seal and the first arch and supply gaseous the through, and simultaneously, the air current promotes the rebound of second seal, and the second seal drives the second spring tensile, produces the clearance between second seal and the second arch, air current accessible. If add atmospheric pressure in the gas outlet, the air current can exert further thrust for second seal and first seal, makes first seal and first arch, second seal and second protruding inseparabler contact, reaches the purpose that the air current can not the backward flow.

The scheme has the advantages that: the gas is effectively prevented from flowing reversely, and the pipe body is in a sealing state during the reverse flow; the gas discharged from the emptying pipe can only be discharged and cannot be discharged; the mutual gas pollution among the reaction tanks is reduced to the maximum extent.

Further, the first sealing body is of a circular truncated cone structure, and one end of the connecting spring is the bottom surface of the circular truncated cone; the second sealing body is a sphere. The design of the circular truncated cone structure can increase the sealing area to the maximum extent and ensure that the gas cannot successfully flow reversely when flowing reversely.

And 9, the first spring and the second spring are both vertically arranged. The force of the first spring and the force of the second spring acting on the first transverse plate are on the same straight line, the acting force acting on the first transverse plate is in a balanced state as much as possible, and the service life of the first transverse plate and the service life of the spring can be prolonged.

Further, the longitudinal section of the first protrusion is in a right trapezoid shape, and the oblique side of the first sealing body is parallel to the oblique side of the right trapezoid shape and is connected with the oblique side of the right trapezoid shape in an intermittent contact mode. The first sealing body is convenient to cooperate to form a sealing state, and the movable range of the first sealing body is limited.

Further, the bellied longitudinal section of second is right triangle, and triangle-shaped's hypotenuse sets up towards body export direction, and spheroid and hypotenuse intermittent type nature contact are connected. So as to be matched with the second sealing body to form a sealing state.

Further, a bowl-shaped baffle plate is arranged below the second protrusion. When gaseous when adverse current, the gaseous meeting of most adverse current can be blockked when the bowl form baffle, and when gaseous from bowl form baffle edge overflow on the bowl form baffle, originally can drive from the gas that blow-down pipe flows through and go out the gas discharge blow-down pipe in the bowl against current, further reduce gaseous backward flow.

Further, the bowl mouth of the bowl-shaped baffle plate is downward, the outer wall of the bowl bottom of the bowl-shaped baffle plate is connected with a second transverse plate, and two ends of the second transverse plate are fixedly connected to the inner wall of the tube body. The bowl-mounted baffle is convenient to mount.

Furthermore, the upper end and the lower end of the pipe body are both provided with threads. The screw thread is convenient for connecting the emptying port of the tank body and other pipelines.

Further, the tail end of the air outlet of the tube body is also connected with an air pump with the function of pumping air. The air pump can help to reduce the outlet pressure, thereby increasing the inlet pressure, facilitating the gas discharge and reducing the reverse flow.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present invention.

In the figure: 1. a pipe body; 2. a first transverse plate; 3. a first protrusion; 4. a second protrusion; 5. a bowl-shaped baffle plate; 6. a second transverse plate; 7. a second sealing body; 8. a first spring; 9. a second spring; 10. a first seal body.

Detailed Description

The present invention is described in further detail below with reference to fig. 1.

Example 1

The utility model provides a blow-down pipe subassembly, as shown in figure 1, includes body 1, and body 1 is whole to be made by steel an organic whole, and body 1 air inlet and retort drain threaded connection, and the horizontal welding of body 1 inner wall has first diaphragm 2, and the center punishment of terminal surface has welded first spring 8 and second spring 9 respectively about the diaphragm, and the first spring 8 other end links up the seal that has the round platform form, and the seal bottom surface and the spring welding of round platform form, and the welding of the second spring 9 other end has the iron ball. 1 inner wall of body and body 1 integrative casting have first arch 3 and the arch 4 of second, first arch 3 is close to 1 air inlet of body, the arch 4 of second is close to 1 gas outlet of body, first arch 3 is the loop configuration with the protruding 4 of second, the longitudinal section of first arch 3 is right trapezoid, the hypotenuse of first arch 3 is parallel with 10 hypotenuses of first seal, both can intermittent type nature contact connection, the longitudinal section of the protruding 4 of second is right triangle, right triangle hypotenuse direction is towards blow-down pipe gas outlet direction, the hypotenuse of iron ball and the protruding 4 of second can intermittent type nature contact connection. The air inlet and the air outlet of the pipe body 1 are both provided with threads, which can be internal threads or external threads, so that the pipe body is conveniently in threaded connection with other pipelines. When no gas passes through, the first sealing body 10 is in close contact with the first protrusion 3 based on the compression force of the spring, and the second sealing body 7 is in close contact with the second protrusion 4 based on the compression force of the spring. When the retort operation, produce waste gas, the jar internal gas pressure rises, and the air current lets in the blow-down pipe from the blow-down pipe air inlet, and at this moment, gaseous first seal 10 of promotion upwards removes, and first seal 10 drives first spring 8 further compression, produces the clearance between first seal 10 and the first arch 3 and supplies gaseous the through, and simultaneously, the air current promotes the second seal 7 upwards to remove, and the second seal 7 drives the second spring 9 tensile, produces the clearance between second seal 7 and the second arch 4, the air current accessible. If air pressure is added to the air outlet, the air flow can apply further thrust to the second sealing body 7 and the first sealing body 10, so that the first sealing body 10 is in closer contact with the first bulge 3 and the second sealing body 7 is in closer contact with the second bulge 4, and the purpose that the air flow cannot flow reversely is achieved.

Example 2 differs from example 1 in that: still install bowl form baffle 5 in the body 1, the bowl mouth of bowl form baffle 5 is with the gas outlet syntropy and be located the protruding 4 below of second, and the welding is in 6 center departments of second diaphragm at the bottom of the bowl. A bowl-shaped baffle plate 5 is arranged at the tail end of the air outlet, and when the air backflow occurs, the air can be filled in the bowl at first. Prevent its backward flow, when backflow gas spills over from the bowl border, the gas that overflows can be washed out by the gas of following intraductal outflow originally along the trend, has reduced gaseous backward flow once more, prevents that gaseous mutual pollution in each retort.

Example 3 differs from example 1 in that: at the terminal air pump of installation of blow-down pipe export, take the gas in the blow-down pipe out, through the suction of air pump, the atmospheric pressure of increase gas outlet takes intraductal gas out, can guarantee that the velocity of flow of gas in the pipeline keeps invariable, and gaseous flow direction is also unanimous to there is not the problem of gaseous circulation each other in adjacent several jars, uses when being applicable to jar internal gas pressure lower.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (9)

1. The utility model provides an emptying pipe assembly, includes body (1), and the end is the air inlet on body (1), and the end is the gas outlet under body (1), characterized by: the guide structure is arranged in the tube body (1) and comprises a first protrusion (3) and a second protrusion (4) which are integrally arranged with the tube body (1), the first protrusion (3) and the second protrusion (4) are both of annular structures, the first protrusion (3) is positioned above the second protrusion (4), a first transverse plate (2) is arranged between the first protrusion (3) and the second protrusion (4), and the first transverse plate (2) is transversely and fixedly connected to the inner wall of the tube body (1); still be equipped with first spring (8) and second spring (9) in body (1), first spring (8) one end fixed connection is in first diaphragm (2) up end, and first spring (8) other end fixedly connected with first seal (10), and terminal surface under second spring (9) one end fixed connection is in first diaphragm (2), second spring (9) other end fixedly connected with second seal (7).

2. A vent assembly as set forth in claim 1 wherein: the first sealing body (10) is of a circular truncated cone structure, and one end of the connecting spring is the bottom surface of the circular truncated cone; the second sealing body (7) is a sphere.

3. A vent assembly as set forth in claim 1 wherein: the first spring (8) and the second spring (9) are both vertically arranged.

4. A vent assembly as set forth in claim 1 wherein: the longitudinal section of the first bulge (3) is in a right trapezoid shape, and the oblique side of the first sealing body (10) is parallel to the oblique side of the right trapezoid shape and is connected with the oblique side of the right trapezoid shape in an intermittent contact mode.

5. A vent assembly as set forth in claim 1 wherein: the longitudinal section of the second protrusion (4) is a right triangle, the hypotenuse of the triangle is arranged towards the outlet direction of the pipe body (1), and the ball body is intermittently in contact with the hypotenuse.

6. A vent assembly as set forth in claim 1 wherein: a bowl-shaped baffle (5) is arranged below the second bulge (4).

7. A vent assembly as set forth in claim 6 wherein: bowl form baffle (5) bowl mouth is downward, and the outer wall is connected with second diaphragm (6) at the bottom of the bowl of bowl form baffle (5), and second diaphragm (6) both ends fixed connection is in body (1) inner wall.

8. A vent assembly as set forth in claim 1 wherein: the upper end and the lower end of the pipe body (1) are both provided with threads.

9. A vent assembly as set forth in claim 1 wherein: the tail end of the air outlet of the tube body (1) is also connected with an air pump with an air suction effect.

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