CN213543286U

CN213543286U - Sealing device for inlet liquid of shell-and-tube heat exchanger

Info

Publication number: CN213543286U
Application number: CN202022572708.8U
Authority: CN
Inventors: 李凯
Original assignee: Wuxi Bird Heat Exchanger Technology Co ltd
Current assignee: Wuxi Bird Heat Exchanger Technology Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-06-25
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a sealing device of shell and tube heat exchanger inlet liquid, including shell, sealed piece, control valve and filter screen, the end cover is installed to the left side outer wall of shell, and the outer wall of end cover installs the pull ring to the internally mounted of end cover has the honeycomb duct, the heat-transfer pipe is installed to the one end of honeycomb duct, and the outer wall of heat-transfer pipe installs the baffling board, the inlet is installed to the top of shell, and the top of inlet installs sealed piece to the bolt is installed with the both sides of inlet to sealed piece, the control valve is installed to the one end of sealed piece. This sealing device of shell and tube type heat exchanger inlet liquid is provided with sealed piece and control valve, and when using, sealed piece makes things convenient for people to increase the leakproofness of import when connecting import and connecting pipe under the cooperation of control valve and baffle, has also improved the stability of body simultaneously, has avoided gaseous leakage when the heat transfer, has also improved the efficiency of heat transfer simultaneously, also makes things convenient for people's use.

Description

Sealing device for inlet liquid of shell-and-tube heat exchanger

Technical Field

The utility model relates to a sealing device technical field specifically is a sealing device of shell and tube heat exchanger inlet liquid.

Background

The chemical industry plays an extremely important role in social development and economic construction, is an energy consumption consumer, and along with the development of economy, in order to meet the production requirements and make equipment large-scale, the shell-and-tube heat exchanger has the advantages of firm structure, large operation elasticity, high reliability, wide application range and the like, and is widely used in oil refining, petrochemical industry, medicines, chemical industry and other industries, and the shell-and-tube heat exchanger forms serialized and standardized heat exchange equipment after years of production practice and engineering application.

The existing shell-and-tube heat exchanger cannot strengthen the sealing performance of the end socket for the liquid inlet, so that the heat exchange effect of the heat exchanger in work can be realized, meanwhile, the phenomenon that the fluid is gasified into water drops in the cavity and adheres to the inner wall for a long time to cause inner wall corrosion can not be avoided, the service life of the heat exchanger can not be prolonged, a fixed ring rod is not arranged, the heat exchanger can not be more stably fixed on a working original paper, a shell fixing plate is not arranged, and the heat transfer efficiency of shell pass fluid can not be improved.

We have therefore proposed a sealing arrangement for the inlet fluid of a shell and tube heat exchanger in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing device of shell and tube heat exchanger inlet liquid to solve the problem that the shell and tube heat exchanger does not have the enhancement leakproofness to the import on the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing device for inlet liquid of a shell-and-tube heat exchanger comprises a shell, a sealing block, a control valve and a filter screen, wherein an end cover is installed on the outer wall of the left side of the shell, a pull ring is installed on the outer wall of the end cover, a guide pipe is installed inside the end cover, a heat transfer pipe is installed at one end of the guide pipe, a baffle plate is installed on the outer wall of the heat transfer pipe, a liquid inlet is installed above the shell, the sealing block is installed above the liquid inlet, bolts are installed on the two sides of the sealing block and the liquid inlet, the control valve is installed at one end of the sealing block, the bottom of the control valve is connected with an installation block, a baffle plate is installed at one end of the installation block, a rubber pad is installed on the outer wall of the baffle plate, a clamping groove is formed, a push rod is installed on the left side wall of the liquid inlet, and a cleaning brush is installed at one end of the push rod.

Preferably, one end of the flow guide pipe is fixedly connected with one end of the heat transfer pipe, the shape and the size of one end of the flow guide pipe are the same as those of one end of the heat transfer pipe, and the outer wall of the flow guide pipe is fixedly connected with the inner wall of the end cover.

Preferably, the bottom of the pull ring is fixedly connected with the outer wall of the end cover, the side face of the pull ring is in a T-shaped structural design, and the outer wall of the end cover is in a semi-circular arc structural design.

Preferably, the left width and the right width of the sealing block are larger than the left width and the right width of the liquid inlet, the upper length and the lower length of the liquid inlet are smaller than the upper length and the lower length of the sealing block, and the sealing block is fixed with the outer wall of the liquid inlet through bolts.

Preferably, the left-right width of the heat transfer pipe is smaller than the left-right width of the shell, the upper-lower length of the shell is larger than the upper-lower length of the heat transfer pipe, and the outer wall of the heat transfer pipe is fixedly connected with the inner part of the baffle plate.

Preferably, the inner side of the clamping groove is fixedly connected with the outer wall of the filter screen, the shape and the size of the inner side of the clamping groove are the same as those of the outer wall of the filter screen, and the clamping groove is designed in a rectangular structure.

Compared with the prior art, the beneficial effects of the utility model are that: the sealing device of the shell-and-tube heat exchanger inlet liquid;

1. the sealing block and the control valve are arranged, when the heat exchanger is used, the sealing block is matched with the control valve and the baffle plate, so that the sealing performance of the inlet is convenient to increase when people connect the inlet and the connecting pipe, the stability of the body is improved, the gas leakage during heat exchange is avoided, the heat exchange efficiency is improved, and the heat exchanger is convenient to use;

2. be provided with the filter screen, when using, the setting of filter screen is convenient to be filtered the inside impurity of liquid, has avoided causing the damage to the inside of heat transfer pipe to just reduced people's maintenance and change to the heat transfer pipe, improved the protectiveness to the body.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the connection structure of the sealing block and the control valve of the present invention;

FIG. 4 is a schematic view of the filter screen of the present invention;

fig. 5 is a schematic view of the structure of the push rod and the cleaning brush of the present invention.

In the figure: 1. a housing; 2. a flow guide pipe; 3. a pull ring; 4. a liquid inlet; 5. a sealing block; 6. an end cap; 7. a heat transfer tube; 8. a baffle plate; 9. an outlet; 10. a support block; 11. a bolt; 12. a control valve; 13. mounting blocks; 14. a baffle plate; 15. a rubber pad; 16. a filter screen; 17. a card slot; 18. a push rod; 19. a cleaning brush.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a sealing device for inlet liquid of a shell-and-tube heat exchanger comprises a shell 1, a flow guide pipe 2, a pull ring 3, a liquid inlet 4, a sealing block 5, an end cover 6, a heat transfer pipe 7, a baffle plate 8, an outlet 9, a supporting block 10, a bolt 11, a control valve 12, an installation block 13, a baffle plate 14, a rubber pad 15, a filter screen 16, a clamping groove 17, a push rod 18 and a cleaning brush 19, wherein the end cover 6 is installed on the outer wall of the left side of the shell 1, the pull ring 3 is installed on the outer wall of the end cover 6, the flow guide pipe 2 is installed inside the end cover 6, the heat transfer pipe 7 is installed at one end of the flow guide pipe 2, the baffle plate 8 is installed on the outer wall of the heat transfer pipe 7, the liquid inlet 4 is installed above the shell 1, the sealing block 5 is installed above the liquid inlet 4, the bolts 11 are, and baffle 14 is installed to the one end of installation piece 13, and rubber pad 15 is installed to the outer wall of baffle 14, and draw-in groove 17 has been seted up to the inner wall of inlet 4, and the inboard of draw-in groove 17 installs filter screen 16, and the bottom of shell 1 is installed export 9, and the both ends of export 9 are installed supporting shoe 10, and push rod 18 is installed to the left side wall of inlet 4, and the one end of push rod 18 installs cleaning brush 19.

The one end of honeycomb duct 2 and the one end fixed connection of heat-transfer pipe 7, and the shape size of honeycomb duct 2 one end is the same with the shape size of heat-transfer pipe 7 one end to the outer wall of honeycomb duct 2 and the inner wall fixed connection of end cover 6, the design of above-mentioned structure makes things convenient for liquid to get into the inside of heat-transfer pipe 7.

The bottom of pull ring 3 and the outer wall fixed connection of end cover 6, and the side of pull ring 3 is "T" word shape structural design to the outer wall of end cover 6 is half-circular arc structural design, and the design of above-mentioned structure makes things convenient for people to open end cover 6.

The left and right width of sealing block 5 is greater than the left and right width of liquid inlet 4, and the upper and lower length of liquid inlet 4 is less than the upper and lower length of sealing block 5 to sealing block 5 is fixed through bolt 11 with the outer wall of liquid inlet 4, and the design of above-mentioned structure increases the heat transfer effect to liquid inlet 4.

The left and right width of the heat transfer pipe 7 is smaller than the left and right width of the shell 1, the upper and lower length of the shell 1 is larger than the upper and lower length of the heat transfer pipe 7, the outer wall of the heat transfer pipe 7 is fixedly connected with the inside of the baffle plate 8, and the heat exchange effect of liquid is improved through the design of the structure.

The inboard outer wall fixed connection with filter screen 16 of draw-in groove 17, and the shape size of the inboard shape size of draw-in groove 17 is the same with the shape size of filter screen 16 outer wall to draw-in groove 17 is rectangle shape structural design, and the design of above-mentioned structure increases filter screen 16's stability, also makes things convenient for people to dismantle it simultaneously.

The working principle is as follows: when the sealing device of the shell-and-tube heat exchanger inlet liquid is used, firstly, as shown in the figure, the shell 1 is matched with the supporting block 10, the damage to the shell 1 is avoided during installation, then the connecting pipe is connected with the upper part of the sealing block 5, when the connecting pipe extends to the inside of the liquid inlet 4, a control valve 12 is rotated by people, a baffle plate 14 above the liquid inlet 4 can be slowly clamped on the outer wall of the connecting pipe, the gas is prevented from entering in the liquid inlet process, the gas leakage in the heat exchange process is also avoided, the tightness of the body is improved, then the liquid is connected with the pipe, so that the liquid enters the liquid inlet 4, when the liquid enters the inside of the liquid inlet 4, the liquid is preliminarily filtered through the filter screen 16, particles with impurities are prevented from entering the inside of the heat transfer pipe 7, when the liquid enters the inside of the end cover 6, the liquid is matched with the guide pipe, flow into the inside of heat-transfer pipe 7 with liquid, and heat-transfer pipe 7 is the U word shape, heat-transfer pipe 7 is under baffling board 8's cooperation, make more even of liquid heat transfer, also increase the heat transfer effect of heat-transfer pipe 7 like this, when the heat transfer is accomplished, liquid flows from export 9, people open end cover 6 through pull ring 3 afterwards, look over the inside condition of shell 1, thereby increase practicality and leakproofness to the device, people can make the granule of cleaning brush 18 with filter screen 16 top clear up through removing push rod 17 afterwards, just so reduce people and cleaned filter screen 16, people's working time has also been reduced.

To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a sealing device of shell and tube heat exchanger inlet liquid, includes shell (1), seal block (5), control valve (12) and filter screen (16), its characterized in that: the improved structure of the water-cooled water heater is characterized in that an end cover (6) is installed on the outer wall of the left side of the shell (1), a pull ring (3) is installed on the outer wall of the end cover (6), a guide pipe (2) is installed inside the end cover (6), a heat transfer pipe (7) is installed at one end of the guide pipe (2), a baffle plate (8) is installed on the outer wall of the heat transfer pipe (7), a liquid inlet (4) is installed above the shell (1), a sealing block (5) is installed above the liquid inlet (4), bolts (11) are installed on two sides of the sealing block (5) and the liquid inlet (4), a control valve (12) is installed at one end of the sealing block (5), an installation block (13) is connected to the bottom of the control valve (12), a baffle plate (14) is installed at one end of the installation block (13), a rubber pad (15, and filter screen (16) are installed to the inboard of draw-in groove (17), export (9) are installed to the bottom of shell (1), and the both ends of export (9) install supporting shoe (10), push rod (18) are installed to the left side wall of inlet (4), and cleaning brush (19) are installed to the one end of push rod (18).

2. The sealing device for the inlet liquid of the shell-and-tube heat exchanger according to claim 1, characterized in that: one end of the flow guide pipe (2) is fixedly connected with one end of the heat transfer pipe (7), the shape and the size of one end of the flow guide pipe (2) are the same as those of one end of the heat transfer pipe (7), and the outer wall of the flow guide pipe (2) is fixedly connected with the inner wall of the end cover (6).

3. The sealing device for the inlet liquid of the shell-and-tube heat exchanger according to claim 1, characterized in that: the bottom of the pull ring (3) is fixedly connected with the outer wall of the end cover (6), the side face of the pull ring (3) is in a T-shaped structural design, and the outer wall of the end cover (6) is in a semi-circular arc structural design.

4. The sealing device for the inlet liquid of the shell-and-tube heat exchanger according to claim 1, characterized in that: the left width and the right width of the sealing block (5) are larger than the left width and the right width of the liquid inlet (4), the upper length and the lower length of the liquid inlet (4) are smaller than the upper length and the lower length of the sealing block (5), and the sealing block (5) and the outer wall of the liquid inlet (4) are fixed through bolts (11).

5. The sealing device for the inlet liquid of the shell-and-tube heat exchanger according to claim 1, characterized in that: the left and right width of the heat transfer pipe (7) is smaller than that of the shell (1), the upper and lower length of the shell (1) is larger than that of the heat transfer pipe (7), and the outer wall of the heat transfer pipe (7) is fixedly connected with the inside of the baffle plate (8).

6. The sealing device for the inlet liquid of the shell-and-tube heat exchanger according to claim 1, characterized in that: the inner side of the clamping groove (17) is fixedly connected with the outer wall of the filter screen (16), the shape and the size of the inner side of the clamping groove (17) are the same as those of the outer wall of the filter screen (16), and the clamping groove (17) is designed to be rectangular.