CN219829233U

CN219829233U - Pressureless backwater structure of air separation raw material machine

Info

Publication number: CN219829233U
Application number: CN202320973106.4U
Authority: CN
Inventors: 李涛; 李强; 王猛; 崔金榜; 卢立厂; 王礼华
Original assignee: Qingdao Gulf Chemical Co ltd
Current assignee: Qingdao Gulf Chemical Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-10-13
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses an pressureless water return structure of an air separation raw material machine, which comprises a tank body and an air separation machine heat exchange water return pipe, wherein a top cover is fixed at the top of the tank body, a water outlet pipe connected with the air separation machine heat exchange water return pipe is fixed on the side wall of the top cover, a water inlet pipe is fixed on the side wall of the bottom end of the tank body, a first flange is fixed at the top end of the tank body, a second flange is fixed at the bottom end of the top cover, connecting structures for fixing the second flange are arranged on two sides of the first flange, and a supporting ring is fixed on the inner wall of the tank body. According to the utility model, the heat exchange return pipe, the tank body, the top cover, the first flange, the second flange, the positioning holes, the connecting structure, the annular plate and the filter plate of the air separation machine are arranged, so that when the heat exchange system of the air separation machine returns water, water firstly passes through the tank body, scale in the water is filtered through the filter plate in the tank body, and the water is prevented from scaling in the heat exchanger when entering the heat exchanger of the air separation machine, thereby ensuring the heat exchange efficiency of the heat exchanger of the air separation machine.

Description

Pressureless backwater structure of air separation raw material machine

Technical Field

The utility model relates to the technical field of air separation equipment, in particular to an pressureless water return structure of an air separation raw material machine.

Background

The air separation raw material machine is equipment which takes air as raw material, turns the air into liquid state by a compression circulation deep freezing method, gradually separates and produces inert gases such as oxygen, nitrogen, argon and the like from the liquid air by rectification, and the air separation equipment is a large-scale complex system and mainly comprises the following subsystems: a power system, a purifying system, a refrigerating system, a heat exchange system, a rectifying system, a product conveying system, a liquid storage system, a control system and the like.

The heat exchange system mainly comprises a heat exchanger, water in the heat exchanger flows circularly, when the water returns to the inside of the heat exchanger from a water return pipe, water contains scale and impurities in a pipeline, the impurities are attached to the inner wall of the heat exchanger after entering the inside of the heat exchanger, and the heat exchange efficiency of the heat exchanger is lowered, so that the heat exchange system can be influenced to exchange heat and cool an air separation unit, and the utility model provides the pressureless water return structure of the air separation raw material machine.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a pressureless water return structure of an air separation raw material machine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an empty branch raw materials machine pressureless return water structure, includes jar body and empty branch machine heat transfer wet return, jar body top is fixed with the top cap, the top cap lateral wall is fixed with the outlet pipe with empty branch machine heat transfer wet return connection, jar body bottom lateral wall is fixed with the inlet tube, jar body top is fixed with first flange, top cap bottom mounting has the second flange, first flange both sides all are equipped with the connection structure that is used for fixing the second flange, jar internal wall is fixed with the holding ring, the laminating of holding ring top is provided with the annular slab, the annular slab is inside to be fixed with a plurality of filter.

Further, a plurality of the filter plates are made of active carbon, and scale and impurities in a water return pipeline can be filtered through the filter plates, so that the scale is prevented from entering the heat exchanger.

Further, the annular groove is formed in the outer wall of the bottom end of the annular plate, a sealing ring is arranged in the annular groove, and the sealing ring is attached to the inner wall of the tank body. The sealing ring can increase the tightness between the annular plate and the inner wall of the tank body, so that water entering from the tank body can only pass through the filter plate and can be discharged from the water outlet pipe.

Further, top cap inside wall bottom mounting has the top ring, top ring lower surface mounting has a plurality of second springs, and is a plurality of the common fixedly connected with clamping ring of second spring bottom, clamping ring bottom and annular plate top laminating. When the top cover is fixed on the surface of the tank body, the annular plate can be naturally pressed on the surface of the supporting ring in the tank body by the compression ring under the pressure of the spring, so that the annular plate is fixed.

Further, connection structure is including offering the activity chamber of locating in first flange lateral wall, the opening has been offered to the one end that the jar body was kept away from to the activity chamber, the inside sliding connection of opening has the slide bar, the slide bar is located the outer one end of activity chamber and is fixed with L shaped plate, L shaped plate top joint is in second flange surface, L shaped plate top runs through and the screw thread rotates and is connected with the locking bolt, the locating hole that is used for the card to go into the locking bolt has been offered to second flange upper surface. The second flange can be fixed on the surface of the first flange by screwing the locking bolt into the positioning hole, so that the top cover and the tank body are fixedly connected.

Further, one end of the sliding rod positioned in the movable cavity is fixedly provided with a sliding plate, the sliding plate is in sliding connection with the movable cavity, the sliding plate and the inner wall of the movable cavity are fixedly connected with a first spring together, and the opening size of the sliding plate is smaller than that of the sliding plate. The L-shaped plate can be pulled to be clamped on the surface of the second flange through the spring.

Further, the L-shaped plate is fixed with a pull ring at one end far away from the sliding rod. The L-shaped plate can be pulled away from the second flange through the pull ring, so that the top cover can be conveniently detached.

The utility model has the beneficial effects that:

when the air separation unit heat exchange water return pipe is used, the air separation unit heat exchange system is provided with the air separation unit heat exchange water return pipe, the tank body, the top cover, the first flange, the second flange, the positioning holes, the connecting structure, the annular plate and the filter plate, so that water can pass through the tank body during water return, scale in the water is filtered through the filter plate in the tank body, the water is prevented from scaling in the heat exchanger when entering the air separation unit heat exchanger, and the heat exchange efficiency of the air separation unit heat exchanger is ensured. Secondly, the top cover on the top end of the tank body is fixed at the top of the tank body through a connecting structure, and when the filter plate needs to be replaced, the top cover can be quickly detached through the connecting structure, so that the filter plate can be conveniently filtered.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

fig. 3 is an enlarged view at a in fig. 2.

Legend description:

1. a tank body; 2. a top cover; 3. a water outlet pipe; 4. a water inlet pipe; 5. heat exchanging return pipe of air separator; 6. a first flange; 7. a second flange; 71. positioning holes; 8. a connection structure; 81. a movable cavity; 82. an opening; 83. a slide bar; 84. an L-shaped plate; 85. a locking bolt; 86. a slide plate; 87. a first spring; 9. a support ring; 10. an annular plate; 11. a filter plate; 12. an annular groove; 13. a seal ring; 14. a top ring; 15. a second spring; 16. and a compression ring.

Detailed Description

As shown in fig. 1-3, relate to an empty branch raw materials machine pressureless return water structure, including jar body 1 and empty branch machine heat transfer wet return 5, jar body 1 top is fixed with top cap 2, top cap 2 lateral wall is fixed with outlet pipe 3 with empty branch machine heat transfer wet return 5 connection, jar body 1 bottom lateral wall is fixed with inlet tube 4, jar body 1 top is fixed with first flange 6, top cap 2 bottom is fixed with second flange 7, first flange 6 both sides all are equipped with the connection structure 8 that is used for fixing second flange 7, jar body 1 inner wall is fixed with holding ring 9, holding ring 9 top laminating is provided with annular slab 10, annular slab 10 inside is fixed with a plurality of filter 11.

As shown in fig. 2, the plurality of filter plates 11 are made of activated carbon. Water in a return pipe of the air separation unit heat exchange system can be filtered through the filter plate 11, so that impurities in the water are prevented from entering the heat exchanger of the heat exchange system, and the heat exchange efficiency of the heat exchanger is reduced.

As shown in fig. 1 and 2, a top ring 14 is fixed at the bottom end of the inner side wall of the top cover 2, a plurality of second springs 15 are fixed on the lower surface of the top ring 14, the bottom ends of the second springs 15 are fixedly connected with a pressing ring 16, and the bottom ends of the pressing ring 16 are attached to the top end of the annular plate 10. An annular groove 12 is formed in the outer wall of the bottom end of the annular plate 10, a sealing ring 13 is arranged in the annular groove 12, and the sealing ring 13 is attached to the inner wall of the tank body 1. The annular plate 10 can be pressed and fixed above the supporting ring 9 by the compression ring 16 through the elastic force of the second spring 15. And the sealing ring 13 is attached to the inner wall of the tank body 1. The sealing ring 13 can increase the tightness between the annular plate 10 and the inner wall of the tank 1, so that water entering from the tank 1 can only pass through the filter plate 11 to be discharged from the water outlet pipe 3.

As shown in fig. 2 and 3, the connection structure 8 includes a movable cavity 81 formed on a side wall of the first flange 6, an opening 82 is formed at one end of the movable cavity 81 away from the tank body 1, a sliding rod 83 is slidably connected inside the opening 82, an L-shaped plate 84 is fixed at one end of the sliding rod 83 located outside the movable cavity 81, the top end of the L-shaped plate 84 is clamped on the surface of the second flange 7, the top end of the L-shaped plate 84 penetrates through and is in threaded rotation connection with a locking bolt 85, and a positioning hole 71 for clamping in the locking bolt 85 is formed in the upper surface of the second flange 7. The fixed connection of the first flange 6 and the second flange 7 can be realized by clamping the L-shaped plate 84 on the surface of the second flange 7 and then tightening the locking bolt 85.

As shown in fig. 2 and 3, a sliding plate 86 is fixed at one end of the sliding rod 83 located in the movable cavity 81, the sliding plate 86 is slidably connected with the movable cavity 81, a first spring 87 is fixedly connected with the sliding plate 86 and the inner wall of the movable cavity 81 together, and the size of the opening 82 is smaller than that of the sliding plate 86. A pull ring is fixed to the end of the L-shaped plate 84 away from the slide bar 83. Pulling the L-shaped plate 84 by the pull ring disengages from the second flange 7, facilitating the detachment of the second flange 7 from the surface of the first flange 6 and thus the replacement of the annular plate 10 and the filter plate 11 inside the annular plate 10.

When in use, the utility model is characterized in that: the water inlet pipe 4 and the water outlet pipe 3 are connected into a water return pipe of the air separation unit heat exchange system, water enters the tank body 1 from the water inlet pipe 4, then passes through the filter plate 11, is discharged from the water outlet pipe 3 and enters the air separation unit heat exchange water return pipe 5, and finally enters the heat exchanger. If the annular plate 10 and the filter plate 11 need to be replaced, the locking bolts 85 can be screwed out from the positioning holes 71, then the L-shaped plates 84 on two sides of the first flange 6 are pulled to separate from the second flange 7, at the moment, the second flange 7 can be detached from the surface of the first flange 6, so that the top cover 2 is detached from the top of the tank body 1, after the top cover 2 is detached, the annular plate 10 and the filter plate 11 are directly taken out from the tank body 1, then the new annular plate 10 and the filter plate 11 are put in, then the top cover 2 is covered, the L-shaped plates 84 are pulled to be clamped on the second flange 7 again by the tensile force of the first springs 87, and finally the locking bolts 85 are screwed.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides an empty no pressure return water structure of dividing raw materials machine which characterized in that: including jar body (1) and air separation machine heat transfer wet return (5), jar body (1) top is fixed with top cap (2), top cap (2) lateral wall is fixed with outlet pipe (3) be connected with air separation machine heat transfer wet return (5), jar body (1) bottom lateral wall is fixed with inlet tube (4), jar body (1) top is fixed with first flange (6), top cap (2) bottom mounting has second flange (7), first flange (6) both sides all are equipped with connection structure (8) that are used for fixed second flange (7), jar body (1) inner wall is fixed with holding ring (9), holding ring (9) top laminating is provided with annular plate (10), annular plate (10) inside is fixed with a plurality of filter (11).

2. The pressureless water return structure of air separation raw material machine according to claim 1, wherein: the plurality of filter plates (11) are made of active carbon.

3. The pressureless water return structure of air separation raw material machine according to claim 1, wherein: annular groove (12) have been seted up to annular plate (10) bottom outer wall, annular groove (12) inside is equipped with sealing washer (13), and sealing washer (13) are laminated with jar body (1) inner wall.

4. The pressureless water return structure of air separation raw material machine according to claim 1, wherein: top cap (2) inside wall bottom mounting has top ring (14), surface mounting has a plurality of second springs (15) under top ring (14), a plurality of second springs (15) bottom fixedly connected with clamping ring (16) jointly, clamping ring (16) bottom and annular slab (10) top laminating.

5. The pressureless water return structure of air separation raw material machine according to claim 1, wherein: connection structure (8) are including seting up in movable chamber (81) of first flange (6) lateral wall, opening (82) have been seted up to the one end that jar body (1) was kept away from in movable chamber (81), inside sliding connection of opening (82) has slide bar (83), slide bar (83) are located the one end of movable chamber (81) outward and are fixed with L shaped plate (84), L shaped plate (84) top joint is in second flange (7) surface, L shaped plate (84) top runs through and threaded rotation is connected with lock bolt (85), locating hole (71) that are used for the card to go into lock bolt (85) have been seted up to second flange (7) upper surface.

6. The pressureless water return structure of air separation plant as set forth in claim 5, wherein: one end of the sliding rod (83) located in the movable cavity (81) is fixedly provided with a sliding plate (86), the sliding plate (86) is in sliding connection with the movable cavity (81), the sliding plate (86) is fixedly connected with a first spring (87) together with the inner wall of the movable cavity (81), and the size of the opening (82) is smaller than that of the sliding plate (86).

7. The pressureless water return structure of air separation plant as set forth in claim 5, wherein: one end of the L-shaped plate (84) far away from the sliding rod (83) is fixed with a pull ring.