CN215984085U

CN215984085U - Anticorrosive shell-and-tube heat exchanger

Info

Publication number: CN215984085U
Application number: CN202122484328.3U
Authority: CN
Inventors: 焦伟江
Original assignee: Wuxi Linyuan Heat Exchanger Co ltd
Current assignee: Wuxi Linyuan Heat Exchanger Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-03-08
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses an anticorrosive shell-and-tube heat exchanger, and relates to the technical field of shell-and-tube heat exchangers. The system comprises a shell-and-tube heat exchanger and a control valve, and further comprises a liquid inlet filtering assembly, a liquid outlet, a water inlet, a water outlet and a switching assembly, wherein the liquid inlet filtering assembly is arranged at one end of the top of the shell-and-tube heat exchanger, the water inlet is arranged at the other end of the top of the shell-and-tube heat exchanger, the water outlet is arranged at the bottom of the shell-and-tube heat exchanger and is positioned under the liquid inlet filtering assembly, the control valve is arranged in the water outlet, the liquid outlet is arranged at the bottom of the shell-and-tube heat exchanger and is positioned under the water inlet, the liquid inlet filtering assembly, the liquid outlet, the water inlet and the water outlet are all communicated with the shell-and-tube heat exchanger, and the switching assembly is arranged at one side in the shell-and-tube heat exchanger; the device solves the problems that the inner wall of the shell-and-tube heat exchanger is easy to corrode, liquid is easy to adhere to the inner wall of the shell-and-tube heat exchanger after the shell-and-tube heat exchanger works at every time, and the quality of the liquid is reduced due to the mixing of the liquid and the liquid in the next operation.

Description

Anticorrosive shell-and-tube heat exchanger

Technical Field

The utility model relates to the technical field of shell-and-tube heat exchangers, in particular to an anticorrosive shell-and-tube heat exchanger.

Background

A heat exchanger (also called heat exchanger) is a device that transfers part of the heat of a hot fluid to a cold fluid. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. The shell-and-tube heat exchanger is mainly composed of shell, tube bundle, tube plate and end enclosure, the shell is more circular, and the interior of the shell is equipped with parallel tube bundle or spiral tube, and two ends of the tube bundle are fixed on the tube plate.

Traditional shell-and-tube heat exchanger is when cooling down high temperature liquid, if high temperature liquid self contains corrosive particle, can produce the corruption to the inside cavity of shell-and-tube heat exchanger, seriously can lead to damaging, and simultaneously after the heat transfer operation at every turn, shell-and-tube heat exchanger's inner wall can be stained with partial liquid, can mix with the liquid of waiting to change heat when carrying out next heat transfer operation to influence the quality of liquid.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anticorrosive shell-and-tube heat exchanger, which aims to solve the technical problems that the inner wall of the shell-and-tube heat exchanger is easy to corrode, liquid is easy to adhere to the inner wall of the shell-and-tube heat exchanger after each work, and the quality of the liquid is reduced due to the mixing of the liquid and the liquid in the next work.

The embodiment of the utility model adopts the following technical scheme: including shell-and-tube heat exchanger and control valve, still include into liquid filter assembly, liquid outlet, water inlet, delivery port and switch over subassembly, go into the one end that liquid filter assembly set up at shell-and-tube heat exchanger top, the water inlet sets up the other end at shell-and-tube heat exchanger top, the delivery port sets up in shell-and-tube heat exchanger's bottom and is located into liquid filter assembly under, the control valve sets up in the water outlet, the liquid outlet sets up in shell-and-tube heat exchanger's bottom and is located the water inlet under, and go into liquid filter assembly, liquid outlet, water inlet and delivery port and all communicate with shell-and-tube heat exchanger, the switch over subassembly sets up in the inside one side of shell-and-tube heat exchanger and is located between water inlet and the liquid outlet.

Further, it includes check valve, granule filter screen and couple to go into liquid filtering component, the check valve sets up on the top of shell and tube type heat exchanger and communicates rather than it, and the side of check valve is articulated with the top of shell and tube type heat exchanger, the couple has a plurality of, a plurality of the couple sets up the side in the check valve bottom respectively, the granule filter screen sets up and overlaps respectively at the bottom of check valve and the side of granule filter screen and establish on a plurality of couple.

Further, the switching component comprises a mounting box, a driving motor, a half gear, a sliding frame, a driving rod and a filling block, the mounting box is arranged on the side wall in the shell-and-tube heat exchanger, the driving motor is arranged on the side wall in the mounting box, the half gear is arranged at the output end of the driving motor, the sliding frame is arranged in the mounting box and is in sliding fit with the mounting box, tooth grooves meshed with the half gears are arranged on two sides inside the sliding frame, two driving rods are arranged on two sides of the sliding frame respectively, openings matched with the two driving rods are arranged on two sides of the mounting box respectively, and the two driving rods respectively penetrate through the openings on the two sides of the mounting box, the number of the filling blocks is two, the two filling blocks are respectively arranged at the end parts of the two driving rods, and the two filling blocks are respectively matched with the end parts of the water inlet and the liquid outlet.

Furthermore, two the filling block all adopts soft rubber material, the tip of water inlet and liquid outlet all is equipped with sealed rubber ring.

Furthermore, a heat insulation plate is arranged on the outer side of the shell-and-tube heat exchanger.

The embodiment of the utility model adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, treat that heat exchange liquid gets into the inside heat transfer operation that carries on of shell and tube heat exchanger through the check valve, the particle filter screen filters the corrosivity particulate matter in the liquid simultaneously, prevents that it from producing the corruption to the inner wall of shell and tube heat exchanger, and the particle filter screen needs wash or change after using a period of time simultaneously, overturns the check valve and exposes the particle filter screen that is located the check valve bottom, takes off it from the couple again to in order to wash or change it.

Secondly, the driving motor is controlled to work to drive the half gear to rotate, the tooth socket at the upper part of the sliding frame is meshed with the half gear, and the sliding frame moves towards one side under the driving of the half gear, thereby driving the filling block at one side to fill the water inlet and the filling block at the other side to be far away from the liquid outlet, thereby facilitating the discharge of the cooled liquid to the outside of the shell-and-tube heat exchanger, the half gear continues to rotate, the tooth socket at the lower part of the sliding frame is meshed with the half gear, and the sliding frame moves to the other side under the driving of the half gear, thereby drive the filling block of opposite side and fill the liquid outlet, the water inlet is in open state to wash the shell and tube heat exchanger inside, the filling block adopts soft rubber material, has certain ductility, can ensure to fill completely and can not produce the damage to its inner wall when plugging up water inlet or liquid outlet, and provide good leakproofness.

Thirdly, the shell-and-tube heat exchanger is when carrying out the heat transfer operation, and the temperature of its lateral wall is higher, and the site personnel mistake can be scalded to it when touching, can avoid the emergence of this condition through the heat insulating board that sets up.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a first general structural diagram of the present invention;

FIG. 2 is a second overall view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic perspective view of the inlet filter assembly of the present invention;

FIG. 5 is a cross-sectional view of the switching assembly of the present invention;

fig. 6 is a partial structural diagram of a switching element according to the present invention.

Reference numerals

The device comprises a shell-and-tube heat exchanger 1, a control valve 2, a liquid inlet filtering component 3, a one-way valve 31, a particle filter screen 32, a hook 33, a liquid outlet 4, a water inlet 5, a water outlet 6, a switching component 7, an installation box 71, a driving motor 72, a half gear 73, a sliding frame 74, a driving rod 75 and a filling block 76.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

The embodiment of the utility model provides an anticorrosive shell-and-tube heat exchanger, which comprises a shell-and-tube heat exchanger 1, a control valve 2, a liquid inlet filtering component 3, a liquid outlet 4, a water inlet 5, a water outlet 6 and a switching component 7, the liquid inlet filtering component 3 is arranged at one end of the top of the shell-and-tube heat exchanger 1, the water inlet 5 is arranged at the other end of the top of the shell-and-tube heat exchanger 1, the water outlet 6 is arranged at the bottom of the shell-and-tube heat exchanger 1 and is positioned right below the liquid inlet filtering component 3, the control valve 2 is arranged in the water outlet 6, the liquid outlet 4 is arranged at the bottom end of the shell-and-tube heat exchanger 1 and is positioned right below the water inlet 5, and the liquid inlet filtering component 3, the liquid outlet 4, the water inlet 5 and the water outlet 6 are all communicated with the shell-and-tube heat exchanger 1, the switching assembly 7 is arranged on one side inside the shell-and-tube heat exchanger 1 and is positioned between the water inlet 5 and the liquid outlet 4; when the traditional shell-and-tube heat exchanger 1 cools high-temperature liquid, if the high-temperature liquid contains corrosive particles, the cavity inside the shell-and-tube heat exchanger 1 may be corroded and seriously damaged, meanwhile, after each cooling operation, part of liquid may be adhered to the inner wall of the shell-and-tube heat exchanger 1 and mixed with the liquid to be cooled when the next cooling operation is carried out, so that the quality of the liquid is affected, in the device, the liquid to be cooled enters the shell-and-tube heat exchanger 1 through the liquid inlet filtering component 3 to carry out heat exchange and cooling, the liquid inlet filtering component 3 filters the corrosive particles in the liquid, the cooled liquid is discharged to the outside through the liquid outlet 4, the switching component 7 has the effect of controlling the opening or closing of the liquid outlet 4 and the water inlet 5, when the liquid needs to be discharged, the switching component 7 controls the closing of the water inlet 5 and the opening of the liquid outlet 4, when the interior of the shell-and-tube heat exchanger 1 needs to be cleaned, the switching assembly 7 controls the water inlet 5 to be opened and the liquid outlet 4 to be closed, then the water inlet 5 is connected with an external water pump through a water pipe to clean the interior of the shell-and-tube heat exchanger 1, and finally the control valve 2 of the water outlet 6 is opened to discharge the cleaned water; the device solves the problems that the inner wall of the shell-and-tube heat exchanger 1 is easy to corrode, liquid is easy to adhere to the inner wall of the shell-and-tube heat exchanger 1 after work each time, and the quality of the liquid is reduced due to the mixing of the liquid and the liquid in the next operation.

Preferably, the liquid inlet filter assembly 3 comprises a check valve 31, a particle filter screen 32 and hooks 33, the check valve 31 is arranged at the top end of the shell-and-tube heat exchanger 1 and communicated with the top end of the shell-and-tube heat exchanger 1, the side end of the check valve 31 is hinged with the top end of the shell-and-tube heat exchanger 1, a plurality of hooks 33 are provided, the hooks 33 are respectively arranged at the side end of the bottom of the check valve 31, the particle filter screen 32 is arranged at the bottom of the check valve 31, and the side ends of the particle filter screen 32 are respectively sleeved on the hooks 33; waiting that cooling liquid gets into shell and tube heat exchanger 1 through check valve 31 inside and carry out the heat transfer operation, granule filter screen 32 filters the corrosive particulate matter in the liquid simultaneously, prevent that it from producing corruption to the inner wall of shell and tube heat exchanger 1, granule filter screen 32 needs wash or change granule filter screen 32 after using a period of time simultaneously, overturn unidirectional valve 31 and expose the granule filter screen 32 that is located the check valve 31 bottom, take off it from couple 33 again, so that wash or change it.

Preferably, the switching assembly 7 includes a mounting box 71, a driving motor 72, a half gear 73, a sliding frame 74, driving rods 75 and filling blocks 76, the mounting box 71 is disposed on a side wall inside the shell-and-tube heat exchanger 1, the driving motor 72 is disposed on a side wall inside the mounting box 71, the half gear 73 is disposed on an output end of the driving motor 72, the sliding frame 74 is disposed inside the mounting box 71 and is in sliding fit with the mounting box 71, two sides inside the sliding frame 74 are both provided with tooth grooves engaged with the half gear 73, there are two driving rods 75, two driving rods 75 are disposed on two sides of the sliding frame 74 respectively, two sides of the mounting box 71 are provided with openings engaged with the two driving rods 75 respectively, and the two driving rods 75 pass through the openings on two sides of the mounting box 71 respectively, there are two filling blocks 76, two filling blocks 76 are disposed at end portions of the two driving rods 75 respectively, the two filling blocks 76 are respectively matched with the end parts of the water inlet 5 and the liquid outlet 4; drive half gear 73 rotatory through control driving motor 72 work, the tooth's socket on carriage 74 upper portion and the meshing of half gear 73 are under the drive of half gear 73, carriage 74 moves toward one side, thereby drive the filling block 76 of one side and fill water inlet 5, liquid outlet 4 is kept away from to the filling block 76 of opposite side, thereby be convenient for arrange the liquid after the cooling to shell and tube heat exchanger 1 outside, half gear 73 continues to rotate, the tooth's socket of carriage 74 lower part and the meshing of half gear 73 are under the drive of half gear 73, carriage 74 moves toward the opposite side, thereby drive the filling block 76 of opposite side and fill liquid outlet 4, water inlet 5 is in open state, so that wash inside shell and tube heat exchanger 1.

Preferably, the two filling blocks 76 are made of soft rubber, and sealing rubber rings are arranged at the end parts of the water inlet 5 and the liquid outlet 4; the filling block 76 is made of soft rubber, has certain ductility, can ensure that the water inlet 5 or the liquid outlet 4 is completely filled without damaging the inner wall of the filling block, and provides good sealing performance.

Preferably, a heat insulation plate is arranged on the outer side of the shell-and-tube heat exchanger 1; when the shell-and-tube heat exchanger 1 is used for heat exchange operation, the temperature of the side wall of the shell-and-tube heat exchanger is high, field personnel can be scalded when mistakenly touching the shell-and-tube heat exchanger, and the occurrence of the situation can be avoided through the arranged heat insulation plate.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An anticorrosive shell and tube heat exchanger, includes shell and tube heat exchanger (1) and control valve (2), its characterized in that: also comprises a liquid inlet filtering component (3), a liquid outlet (4), a water inlet (5), a water outlet (6) and a switching component (7), the liquid inlet filtering component (3) is arranged at one end of the top of the shell-and-tube heat exchanger (1), the water inlet (5) is arranged at the other end of the top of the shell-and-tube heat exchanger (1), the water outlet (6) is arranged at the bottom of the shell-and-tube heat exchanger (1) and is positioned right below the liquid inlet filtering component (3), the control valve (2) is arranged in the water outlet (6), the liquid outlet (4) is arranged at the bottom end of the shell-and-tube heat exchanger (1) and is positioned right below the water inlet (5), and the liquid inlet filtering component (3), the liquid outlet (4), the water inlet (5) and the water outlet (6) are all communicated with the shell-and-tube heat exchanger (1), the switching assembly (7) is arranged on one side inside the shell-and-tube heat exchanger (1) and is positioned between the water inlet (5) and the liquid outlet (4).

2. An anticorrosion shell and tube heat exchanger according to claim 1, characterized in that: go into liquid filter component (3) and include check valve (31), granule filter screen (32) and couple (33), check valve (31) set up on the top of shell-and-tube heat exchanger (1) and communicate with it, and the side of check valve (31) is articulated with the top of shell-and-tube heat exchanger (1), couple (33) have a plurality of, a plurality of couple (33) set up the side in check valve (31) bottom respectively, granule filter screen (32) set up the side in the bottom of check valve (31) and granule filter screen (32) and establish respectively on a plurality of couple (33).

3. An anticorrosion shell and tube heat exchanger according to claim 1, characterized in that: the switching assembly (7) comprises a mounting box (71), a driving motor (72), a half gear (73), a sliding frame (74), driving rods (75) and a filling block (76), wherein the mounting box (71) is arranged on the side wall inside the shell-and-tube heat exchanger (1), the driving motor (72) is arranged on the side wall inside the mounting box (71), the half gear (73) is arranged at the output end of the driving motor (72), the sliding frame (74) is arranged in the mounting box (71) and is in sliding fit with the mounting box (71), tooth grooves meshed with the half gear (73) are formed in two sides inside the sliding frame (74), the driving rods (75) are respectively arranged on two sides of the sliding frame (74), openings matched with the two driving rods (75) are respectively formed in two sides of the mounting box (71), the two driving rods (75) respectively penetrate through openings on two sides of the mounting box (71), the number of the filling blocks (76) is two, the two filling blocks (76) are respectively arranged at the end parts of the two driving rods (75), and the two filling blocks (76) are respectively matched with the end parts of the water inlet (5) and the liquid outlet (4).

4. An anticorrosion shell and tube heat exchanger according to claim 3, characterized in that: the two filling blocks (76) are made of soft rubber, and sealing rubber rings are arranged at the end parts of the water inlet (5) and the liquid outlet (4).

5. An anticorrosion shell and tube heat exchanger according to claim 1, characterized in that: and a heat insulation plate is arranged on the outer side of the shell-and-tube heat exchanger (1).