CN217716053U

CN217716053U - Shell and tube heat exchanger

Info

Publication number: CN217716053U
Application number: CN202222063532.2U
Authority: CN
Inventors: 张小许
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-01
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a shell and tube heat exchanger, which comprises a housin, the standing groove has all been seted up to shells inner wall's both sides, the inside joint of standing groove has the tube sheet, the mounting hole has all been seted up to the edge of tube sheet and standing groove surface, the inside threaded connection of mounting hole has the bolt. This kind of shell and tube heat exchanger, through the tube sheet, the mounting hole, the bolt, the spiral baffling board, the setting of connecting hole and nut, with inside the mounting hole that bolt threaded connection corresponds, install the tube sheet, peg graft a plurality of heat-transfer pipes in the inside of the connecting hole that corresponds, fix the both ends of heat-transfer pipe through the nut, change when the heat-transfer pipe of being convenient for damages, can strengthen the fastness of spiral baffling board simultaneously, make it be difficult for taking place to rotate, stability promotes greatly, it is fixed to realize compressing tightly the all-round of heat exchanger internal component, the time and the step of installation have been saved, make things convenient for people to use, the dismouting efficiency that people maintained and changed the part has been improved.

Description

Shell and tube heat exchanger

Technical Field

The utility model relates to a indirect heating equipment technical field, in particular to shell and tube heat exchanger.

Background

The heat exchanger is a device for transferring partial heat of hot fluid to cold fluid, also called heat exchanger, the shell-and-tube heat exchanger is one of the most typical dividing wall type heat exchangers, and has a long history of industrial application, and still occupies a leading position in the heat exchanger so far, and plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, and the heat exchanger can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in the chemical industry, and has wide application.

Through the retrieval, in chinese published utility model patent application No. CN 202122433337.X, a protect strong shell and tube heat exchanger of isolation is published, including shell and tube heat exchanger and positioner, positioner fixed mounting is in the inside center bottom of shell and tube heat exchanger, the surface rotation of shell and tube heat exchanger has cup jointed the support frame, the even welding of upper surface of support frame has spacing snap ring, the location tooth's socket has been seted up to the middle part surface symmetry of shell and tube heat exchanger, ring groove has evenly been seted up to the surface of shell and tube heat exchanger, the even welding of surface of shell and tube heat exchanger has the flange interface, positioner's inside center fixed mounting has driving motor. The utility model discloses can be through highly controlling the position of locating plate, can control the rotation and the location of shell and tube heat exchanger in spacing snap ring is inside to can adjust the connection angle of shell and tube heat exchanger according to the installation needs, and can effectual improvement shell and tube heat exchanger erection joint's work efficiency.

When the shell-and-tube heat exchanger is used, the internal pipe network of the shell-and-tube heat exchanger is many and thin and is mostly of a fixed structure, the equipment is inconvenient to assemble and disassemble during maintenance, the difficulty and labor intensity of cleaning by workers are increased, and the maintenance cost of the shell-and-tube heat exchanger is further improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a shell and tube heat exchanger can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shell-and-tube heat exchanger comprises a shell, wherein both sides of the inner wall of the shell are provided with placing grooves, tube plates are clamped in the placing grooves, mounting holes are formed in the edges of the outer surfaces of the tube plates and the placing grooves, and bolts are connected in the mounting holes through threads; the inner side surface of the tube plate is movably connected with a spiral baffle plate, connecting holes are formed in the middle parts of the outer surfaces of the tube plate and the spiral baffle plate, a heat transfer tube is inserted into the connecting holes, and nuts are connected to two ends of the heat transfer tube in a threaded mode.

In order to make the effect of being convenient for business turn over water reach, conduct the utility model relates to a shell and tube heat exchanger, the first inlet tube of last fixed surface of casing is connected with, the first outlet pipe of one side fixedly connected with of casing lower surface.

In order to make to reach and be convenient for carry out filterable effect to first inlet tube inside water, as the utility model relates to a shell and tube heat exchanger, the first snap ring of top fixedly connected with of first inlet tube inside wall, the upper surface joint of first snap ring has first filter.

In order to make the effect of being convenient for connect the second inlet tube reach, as the utility model relates to a shell and tube heat exchanger, there is the connector one end of shell surface through first flange swing joint, the middle part fixedly connected with second inlet tube of connector surface.

In order to make to reach and be convenient for carry out filterable effect to the inside water of second inlet tube, as the utility model relates to a shell and tube heat exchanger, the inside wall fixedly connected with second snap ring of second inlet tube, the surface joint of second snap ring has the second filter.

In order to make to reach the effect of being convenient for collect filtration impurity, as the utility model relates to a shell and tube heat exchanger, the lower fixed surface of second inlet tube is connected with the swivel nut, the inside threaded connection of swivel nut has the collection box.

In order to make to reach the effect of being convenient for connect the second outlet pipe, as the utility model relates to a shell and tube heat exchanger, there is the connection tail the other end of shell surface through second flange swing joint, the lower fixed surface who connects the tail is connected with the second outlet pipe.

In order to make to reach the effect of being convenient for install the heat exchanger, as the utility model relates to a shell and tube heat exchanger, the equal fixedly connected with support in both sides of casing lower surface.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through the tube sheet, the mounting hole, the bolt, the spiral baffling board, the setting of connecting hole and nut, with inside the mounting hole that bolt threaded connection corresponds, install the tube sheet, avoid controlling about the tube sheet, two tube sheets carry on spacingly to the spiral baffling board, avoid controlling about it, peg graft the inside at the connecting hole that corresponds with a plurality of heat-transfer pipes, fix the both ends of heat-transfer pipe through the nut, be convenient for change when the heat-transfer pipe damages, can strengthen the fastness of spiral baffling board simultaneously, make its difficult emergence rotation, stability promotes greatly, it is fixed to realize compressing tightly the all-round of heat exchanger inner element, the time and the step of installation have been saved, make things convenient for people to use, the dismouting efficiency that people maintained and changed the part has been improved.

2. The utility model discloses in, through the spiral baffling board, first filter, second filter and the setting of collecting the box, the spiral baffling board leads to the fluid to change at the flow state of casing, thereby reach the purpose that improves the processing property, the all-round spiral of fluid flows and gos forward, basically, there is not the flow blind spot, greatly reduced scale deposit speed, simultaneously at the at utmost heat exchange efficiency has been improved, first filter is treated heat transfer liquid and is filtered, make the impurity that it carried unable the pass through, play and filter the effect that blocks, prevent that it from corroding the inner wall of casing, the second filter filters the inside fluid that gets into the second intake pipe, avoid the inside impurity of heat exchanger to influence heat exchange efficiency too much, collect the impurity that the box blocked with the second filter and collect, and is convenient to clear up, and the amount of labour is reduced.

Drawings

Fig. 1 is a schematic front view of a shell-and-tube heat exchanger according to embodiment 1 of the present invention;

fig. 2 is a schematic sectional plan view of a shell-and-tube heat exchanger according to embodiment 1 of the present invention;

fig. 3 is a schematic view of the internal structure of the shell-and-tube heat exchanger according to embodiment 1 of the present invention;

fig. 4 is a schematic cross-sectional structural diagram of a connection head of a shell-and-tube heat exchanger according to embodiment 1 of the present invention;

fig. 5 is a schematic view of a support structure in embodiment 2 of the present invention.

In the figure: 1. a housing; 2. a placement groove; 3. a tube sheet; 4. mounting holes; 5. a bolt; 6. a helical baffle plate; 7. connecting holes; 8. a heat transfer tube; 9. a nut; 10. a first water inlet pipe; 11. a first water outlet pipe; 12. a first snap ring; 13. a first filter plate; 14. a connector; 15. a second water inlet pipe; 16. a second snap ring; 17. a second filter plate; 18. a threaded sleeve; 19. a collection box; 20. connecting the tail; 21. a second water outlet pipe; 22. and (4) a support.

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 efforts all belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-4, a shell-and-tube heat exchanger comprises a shell 1, wherein both sides of the inner wall of the shell 1 are provided with placing grooves 2, a tube plate 3 is clamped inside the placing grooves 2, mounting holes 4 are formed at the edges of the outer surfaces of the tube plate 3 and the placing grooves 2, and bolts 5 are connected to the inner threads of the mounting holes 4;

in this embodiment, the medial surface swing joint of tube sheet 3 has spiral baffling board 6, and connecting hole 7 has all been seted up at the middle part of tube sheet 3 and the 6 surface of spiral baffling board, and the inside grafting of connecting hole 7 has heat-transfer pipe 8, and the equal threaded connection in both ends of heat-transfer pipe 8 has nut 9.

When the heat exchanger is used specifically, the heat exchanger is characterized in that the heat exchanger comprises a tube plate 3, mounting holes 4, bolts 5, spiral baffle plates 6, connecting holes 7 and nuts 9, placing grooves 2 are formed in the edges of two sides of the inner wall of a shell 1, two tube plates 3 are connected in a clamped mode conveniently, the tube plates 3 are prevented from moving up and down, the bolts 5 are connected inside the corresponding mounting holes 4 in a threaded mode, the tube plates 3 are mounted, the tube plates 3 are prevented from moving left and right, the convenience in mounting and dismounting is realized, internal elements of the tube plates 3 are convenient to check and maintain, the spiral baffle plates 6 are limited by the two tube plates 3, the left and right movement of the spiral baffle plates is avoided, a plurality of heat transfer tubes 8 are connected inside the corresponding connecting holes 7 in a plugged mode, two ends of the heat transfer tubes 8 are fixed through the nuts 9, the heat transfer tubes 8 are convenient to replace when being damaged, integral parts are prevented from being replaced, meanwhile, the firmness of the spiral baffle plates 6 can be improved, the heat exchanger is not prone to rotating easily, the stability is greatly improved, the all-direction compression fixation of the internal elements of the heat exchanger is realized, the heat exchanger, the all-direction fluid flow efficiency is improved, the maximum flow rate of the flow of the fluid is improved, and the heat exchanger is improved.

In this embodiment, a first water inlet pipe 10 is fixedly connected to the upper surface of the housing 1, and a first water outlet pipe 11 is fixedly connected to one side of the lower surface of the housing 1.

During specific use, through the setting of first inlet tube 10 and first outlet pipe 11, the inflow of heat exchange liquid is convenient for to wait for to first inlet tube 10, and the circulation after the heat transfer that is convenient for first outlet pipe 11 flows, facilitates the use, makes casing 1 inside can carry out the heat transfer operation.

In this embodiment, a first snap ring 12 is fixedly connected to the top of the inner sidewall of the first water inlet pipe 10, and a first filter plate 13 is clamped on the upper surface of the first snap ring 12.

During the specific use, through the setting of first filter 13, first filter 13 is through the inside of first snap ring 12 joint at first inlet tube 10, and the installation is dismantled conveniently, can treat heat transfer liquid and filter, makes the impurity that it carried unable pass through, plays the effect that the filtration was stopped, prevents that it from producing the corruption to the inner wall of casing 1.

In this embodiment, one end of the outer surface of the casing 1 is movably connected with a connector 14 through a first connecting flange, and the middle part of the outer surface of the connector 14 is fixedly connected with a second water inlet pipe 15.

During the specific use, through the setting of second inlet tube 15, connector 14 is connected in the one end of casing 1 through first flange, is convenient for install the dismantlement to connector 14, conveniently maintains 1 internal element of casing, and the entering of the fluid of second inlet tube 15 being convenient for the fluid can get into the inside of heat-transfer pipe 8.

In this embodiment, a second snap ring 16 is fixedly connected to the inner side wall of the second water inlet pipe 15, and a second filter plate 17 is clamped to the outer surface of the second snap ring 16.

During the specific use, through the setting of second filter 17, second filter 17 filters the fluid that gets into the inside of second inlet tube 15 through 16 joints of second snap ring in the inside of second inlet tube 15, avoids the too much influence heat exchange efficiency of the inside impurity of heat exchanger, makes things convenient for second filter 17 to change after using for a long time, increases the convenience of using.

In this embodiment, a threaded sleeve 18 is fixedly connected to the lower surface of the second water inlet pipe 15, and a collection box 19 is screwed inside the threaded sleeve 18.

During the specific use, through the setting of collecting box 19, collect box 19 and pass through the below of swivel nut 18 threaded connection at second inlet tube 15, the installation of being convenient for is dismantled, can collect the impurity that second filter 17 stopped, and convenient clearance reduces the amount of labour.

In this embodiment, the other end of the outer surface of the housing 1 is movably connected with a connection tail 20 through a second connection flange, and the lower surface of the connection tail 20 is fixedly connected with a second water outlet pipe 21.

When the water heater is used specifically, the connection tail 20 is arranged and connected with the other end of the shell 1 through the second connection flange, so that the water heater is convenient to install and detach, elements in the shell 1 are convenient to inspect and maintain, the second water outlet pipe 21 is convenient to enter the water from the inside of the second water inlet pipe 15 and flow out, and heat exchange is completed.

The working principle is as follows: place the inside of casing 1 with spiral baffling board 6, two tube sheet 3 joints are in the inside of standing groove 2, bolt 5 threaded connection is inside mounting hole 4 that corresponds, install tube sheet 3, a plurality of heat-transfer pipes 8 are pegged graft in the inside of corresponding connecting hole 7, fix the both ends of heat-transfer pipe 8 through nut 9, realize all-round compressing tightly fixed to the heat exchanger internal component, second inlet tube 15 is convenient for the entering of hot-fluid, make the inside of heat-transfer pipe 8, second filter 17 filters the fluid that gets into the inside of second inlet tube 15, avoid the heat exchanger inside impurity too much to influence heat exchange efficiency, collect the impurity that box 19 blocked second filter 17 and collect, second outlet pipe 21 is convenient for the outflow of entering water from the inside of second inlet tube 15, it flows in to wait to exchange hot liquid through first inlet tube 10, first filter 13 is treated heat exchange liquid and is filtered, make its impurity that carries unable the pass through, prevent that it from producing the corruption to casing 1's inner wall, spiral baffling board 6 makes the fluid change at casing 1's mobile state, thereby reach the purpose of improving the flow forward process performance, the fluid, the all-round heat exchange scale of the speed is greatly reduced, the operation of the biggest heat exchange is in the whole-round outflow of the completion, the outflow of the operation of the heat exchange, the outlet pipe 11 that has been convenient for the heat.

Example 2

As shown in fig. 5, the distinguishing features of this embodiment that distinguish embodiment 1 are: both sides of the lower surface of the housing 1 are fixedly connected with supports 22.

During the specific use, through support 22's setting, two supports 22 are fixed in the both sides of casing 1 lower surface, play the setting of supporting fixed casing 1, are convenient for install casing 1, increase structural firmness.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A shell-and-tube heat exchanger comprising a shell (1), characterized in that: placing grooves (2) are formed in two sides of the inner wall of the shell (1), a tube plate (3) is clamped in the placing grooves (2), mounting holes (4) are formed in the edges of the outer surfaces of the tube plate (3) and the placing grooves (2), and bolts (5) are connected with the inner portions of the mounting holes (4) in a threaded mode;

the inner side surface of the tube plate (3) is movably connected with a spiral baffle plate (6), connecting holes (7) are formed in the middle of the outer surfaces of the tube plate (3) and the spiral baffle plate (6), a heat transfer tube (8) is inserted into the connecting holes (7), and nuts (9) are connected to two ends of the heat transfer tube (8) in a threaded mode.

2. A shell and tube heat exchanger according to claim 1, wherein: the water purifier is characterized in that a first water inlet pipe (10) is fixedly connected to the upper surface of the shell (1), and a first water outlet pipe (11) is fixedly connected to one side of the lower surface of the shell (1).

3. A shell and tube heat exchanger according to claim 2, wherein: the top fixedly connected with first snap ring (12) of first inlet tube (10) inside wall, the upper surface joint of first snap ring (12) has first filter (13).

4. A shell and tube heat exchanger according to claim 1, wherein: the one end of casing (1) surface has connector (14) through first flange swing joint, the middle part fixedly connected with second inlet tube (15) of connector (14) surface.

5. A shell and tube heat exchanger according to claim 4, wherein: the inside wall fixedly connected with second snap ring (16) of second inlet tube (15), the surface joint of second snap ring (16) has second filter (17).

6. A shell and tube heat exchanger as claimed in claim 4, wherein: the lower surface of the second water inlet pipe (15) is fixedly connected with a threaded sleeve (18), and the inner thread of the threaded sleeve (18) is connected with a collection box (19).

7. A shell and tube heat exchanger as claimed in claim 1, wherein: the other end of the outer surface of the shell (1) is movably connected with a connection tail (20) through a second connection flange, and the lower surface of the connection tail (20) is fixedly connected with a second water outlet pipe (21).

8. A shell and tube heat exchanger according to claim 1, wherein: both sides of the lower surface of the shell (1) are fixedly connected with supporting seats (22).