CN210512759U

CN210512759U - Prevent heat exchanger for chemical industry of return bend

Info

Publication number: CN210512759U
Application number: CN201921411439.8U
Authority: CN
Inventors: 罗景雯
Original assignee: Xian University of Science and Technology
Current assignee: Xian University of Science and Technology
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-12
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a chemical heat exchanger with bend-proof pipe, comprising a butt-joint disk and a cold medium outlet pipe, wherein the butt-joint disk is arranged on the outer wall of the circumference at the rightmost end of the cold medium outlet pipe, two reinforced bend-preventing devices are respectively added between the five heat medium conveying pipes on the heat exchanger for chemical engineering, and five pairs of ten reinforcing bend-preventing devices can adjust the length within the range of eight centimeters, and the two hot medium delivery pipes connected thereto can be applied with an outward tension by adjusting the used lengths of the ten reinforcing bend prevention devices, and the five heat medium conveying pipes are all under the tension action generated by the reinforced anti-bending pipe device, so that the rigidity of the five heat medium conveying pipes and the five cold medium conveying pipes in the five heat medium conveying pipes can be increased, and the situation that the five heat medium conveying pipes and the five cold medium conveying pipes in the five heat medium conveying pipes are bent downwards due to over-weight bearing and insufficient rigidity of the five heat medium conveying pipes is prevented.

Description

Prevent heat exchanger for chemical industry of return bend

Technical Field

The utility model belongs to the technical field of the heat exchanger is relevant, concretely relates to prevent heat exchanger for chemical industry of elbow.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger is an energy-saving equipment for transferring heat between two or more than two kinds of fluids with different temperatures, and the heat is transferred from the fluid with higher temperature to the fluid with lower temperature, so that the temperature of the fluid reaches the index specified by the process to meet the requirements of process conditions, and meanwhile, the heat exchanger is one of the main equipment for improving the energy utilization rate, and the coil pipe type heat exchanger is a metal or non-metal pipe which is bent into a required shape according to the requirements, such as a round, spiral and long coil pipe, and the heat exchanger is the earliest heat exchange equipment and has the advantages of simple structure, convenient operation and the like. The coil heat exchanger can be divided into immersion coil and spray coil according to different use states.

The prior heat exchanger technology for chemical industry has the following problems: the heat exchanger for the chemical industry especially has the coil heat exchanger of current when carrying cold and hot media to carry out heat transfer operation toward its inside, and the coil is inside because the weight influence when receiving cold and hot media to carry always to and the not enough influence of coil self rigidity, causes the coil to sink the bending easily after using for a long time, so not only can influence cold and hot media and normally carry the process in the coil is inside, also can influence the heat transfer effect simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent heat exchanger for chemical industry of return bend to solve the weight influence when the coil that proposes among the above-mentioned background art is inside because receive cold and hot media transport always, and the not enough influence of coil self rigidity, cause the problem that the coil sinks the bending after using for a long time easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent heat exchanger for chemical industry of return bend, includes butt joint dish and cold media exit tube, the butt joint dish is installed on the rightmost end circumference outer wall of cold media exit tube, and the left end of cold media exit tube is connected with horizontal cold media conveyer pipe, the parallel upside of cold media conveyer pipe still is provided with other four cold media conveyer pipes, five the both ends of cold media conveyer pipe are all through cold media connection return bend fixed connection, five the heat media conveyer pipe has all been cup jointed to the circumference outside of cold media conveyer pipe, five the both ends all are connected with the seal cover about the heat media conveyer pipe, five all through seal cover fixed connection between heat media conveyer pipe and five cold media conveyer pipes, five all through heat media connecting pipe fixed connection, five the cold media conveyer pipe circumference outside of the heat media conveyer pipe left and right sides has all cup jointed the installation fixed cover, the left heat medium conveying pipe lower end outer wall of the cold medium outlet pipe is connected with a heat medium outlet pipe with a downward opening, the left end of the uppermost heat medium conveying pipe in five heat medium conveying pipes is connected with a cold medium inlet pipe with a leftward opening, the upper end outer wall of the heat medium conveying pipe on the right side of the cold medium inlet pipe is connected with a heat medium inlet pipe with an inward opening, the five heat medium conveying pipes are connected with reinforcing anti-bending pipe devices between opposite outer walls close to the left side and the right side, a lower reinforcing sleeve with a downward opening and an upper reinforcing sleeve with an upward opening are arranged on the reinforcing anti-bending pipe devices, the upper reinforcing sleeve and the lower reinforcing sleeve are respectively sleeved on the outer walls of the heat medium conveying pipes which are parallel up and down, an upper connecting seat and a lower connecting seat are respectively connected on opposite inner walls of the upper reinforcing sleeve and the lower reinforcing sleeve, and reinforcing adjusting screw holes with opposite openings are respectively arranged inside, two the circumference internal connection who consolidates the regulation screw has vertical reinforcement adjusting screw, it has cup jointed the adjusting collar on the outer wall to consolidate adjusting screw interlude circumference, the adjusting collar passes through welded fastening with the reinforcement adjusting screw and connects.

Preferably, the cooling medium delivery pipes and the heating medium delivery pipes are respectively provided with five heating medium delivery pipes, the five heating medium delivery pipes are respectively adjusted outside the circumferences of the five cooling medium delivery pipes, and the circumferential diameters of the five heating medium delivery pipes are two times of the circumferential diameters of the five cooling medium delivery pipes.

Preferably, the shape, size and structural composition of the upper reinforcing sleeve and the lower reinforcing sleeve are the same, anti-slip pads are arranged on opposite inner walls of the upper reinforcing sleeve and the lower reinforcing sleeve, and the circumferential inner walls of the upper reinforcing sleeve and the lower reinforcing sleeve can be completely attached to the circumferential outer wall of the heat medium conveying pipe.

Preferably, the outer circumferential outer walls of the outermost ends of the cold medium outlet pipe, the cold medium inlet pipe, the hot medium outlet pipe and the hot medium inlet pipe are respectively sleeved with a butt joint disc, and four mounting holes are formed in the inner portion of the outermost side of each butt joint disc and are arranged at equal intervals.

Preferably, the upper reinforcing sleeve and the lower reinforcing sleeve are identical in shape, size and structure composition to the upper connecting seat and the lower connecting seat respectively connected to the inner walls of the upper reinforcing sleeve and the lower reinforcing sleeve, and the length of the reinforcing adjusting screw at the upper end and the lower end of the adjusting sleeve is equal to the depth of the reinforcing adjusting screw in the upper connecting seat and the lower connecting seat.

Preferably, the number of the mounting fixing sleeves is ten, the ten mounting fixing sleeves are respectively sleeved outside the circumferences of the five cooling medium conveying pipes close to the left side and the right side, and the shape, the size and the structural composition of the ten mounting fixing sleeves are identical.

Compared with the prior art, the utility model provides a prevent heat exchanger for chemical industry of return bend possesses following beneficial effect:

1. the utility model discloses a five heat medium conveying pipes on this heat exchanger for chemical industry all increase to have two to consolidate and prevent the swan neck system each other, and five pairs ten consolidations prevent the swan neck system totally and can all do length adjustment within eight centimetres, and can exert outside tension to two heat medium conveying pipes that it is connected through adjusting ten use length that consolidate and prevent the swan neck system, and can increase five heat medium conveying pipes and five cold medium conveying pipes inside it self rigidity after all receiving the tension effect that consolidates and prevent the swan neck system and produce between the five heat medium conveying pipes and five cold medium conveying pipes inside it can bear the heat medium and the cold medium that weight is heavier when using through the tension effect, prevent five heat medium conveying pipes and five cold medium conveying pipes inside it from producing the circumstances of downwarping because the bearing is overweight and self rigidity is not enough and taking place, thereby ensuring that the whole heat exchanger for chemical industry can keep a normal working state for a long time;

2. the specific use mode and principle of the novel reinforced anti-bending device are as follows, when the whole heat exchanger for chemical engineering is assembled and needs to be put into use, at the moment, five heat medium conveying pipes are respectively sleeved outside five cold medium conveying pipes, at the moment, two reinforced anti-bending devices are required to be adjusted between two adjacent pipelines of the five heat medium conveying pipes to carry out reinforcement operation between the heat medium conveying pipes and the heat medium conveying pipes, for example, two reinforced anti-bending devices between the heat medium conveying pipe at the lowest side and the heat medium conveying pipe at the upper side are adjusted, at the moment, the reinforced anti-bending device needs to be adjusted to be in the shortest state and then slide into the opposite directions of the two heat medium conveying pipes, then a movable wrench is sleeved outside an adjusting sleeve on the reinforced bending device and rotates clockwise, and at the moment, the clockwise rotating adjusting sleeve drives a reinforced adjusting screw rod to rotate, because the upper end and the lower end of the reinforcing adjusting screw rod are respectively fixed in the reinforcing adjusting screw holes in the upper connecting seat and the lower connecting seat, and because the upper connecting seat and the lower connecting seat are respectively connected on the outer wall of the bottom of the upper reinforcing sleeve and the outer wall of the top of the lower reinforcing sleeve, the upper reinforcing sleeve is sleeved outside the heat medium conveying pipe on the upper side, the lower reinforcing sleeve is sleeved outside the heat medium conveying pipe on the lower side, the upper end and the lower end of the reinforcing adjusting screw rod can respectively move outwards in the two reinforcing adjusting screw holes under the action of threads when the reinforcing adjusting screw rod rotates clockwise, the reinforcing adjusting screw rod which moves outwards in the two reinforcing adjusting screw holes can increase the gap distance between the upper reinforcing sleeve and the lower reinforcing sleeve, the upper reinforcing sleeve and the lower fixing sleeve can respectively generate outwards tension on the two heat medium conveying pipes after the upper reinforcing sleeve and the lower fixing sleeve are adjusted to a certain distance, and the purpose of increasing the rigidity of five medium conveying pipes and five cold medium conveying The occurrence of the bent pipe of the two parts in use is prevented.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a three-dimensional structure of a heat exchanger provided by the present invention;

fig. 2 is a schematic view of a plane structure of a heat exchanger provided by the present invention;

FIG. 3 is a schematic view of the internal structure of the reinforced elbow-proof device of the present invention;

fig. 4 is a schematic plan view of the reinforcing anti-bending device of the present invention;

in the figure: 1. a docking tray; 2. a cold medium outlet pipe; 3. a heat medium outlet pipe; 4. a heat medium delivery pipe; 5. a heat medium connecting pipe; 6. mounting a fixed sleeve; 7. the cold medium is connected with the bent pipe; 8. sealing sleeves; 9. a cold medium inlet pipe; 10. a cold medium delivery pipe; 11. a heat medium inlet pipe; 12. reinforcing the pipe bending prevention device; 13. a lower reinforcing sleeve; 14. a lower connecting seat; 15. an adjusting sleeve; 16. reinforcing the adjusting screw; 17. a reinforcing sleeve is arranged; 18. an upper connecting seat; 19. and reinforcing the adjusting screw hole.

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. 1-4, the present invention provides a technical solution: a heat exchanger for chemical engineering for preventing bending pipes comprises a butt joint disk 1 and a cold medium outlet pipe 2, wherein the butt joint disk 1 is installed on the outer wall of the circumference of the rightmost end of the cold medium outlet pipe 2, the left end of the cold medium outlet pipe 2 is connected with a transverse cold medium conveying pipe 10, the parallel upper side of the cold medium conveying pipe 10 is also provided with another four cold medium conveying pipes 10, two ends of the five cold medium conveying pipes 10 are fixedly connected through a cold medium connecting bent pipe 7, the outer parts of the circumferences of the five cold medium conveying pipes 10 are respectively sleeved with a hot medium conveying pipe 4, the left end and the right end of the five hot medium conveying pipes 4 are respectively connected with a sealing sleeve 8, the five cold medium conveying pipes 10 and the hot medium conveying pipes 4 are respectively provided with five hot medium conveying pipes 4, the five hot medium conveying pipes 4 are respectively adjusted outside the circumferences of the five cold medium conveying pipes 10, thus, after the heat medium is conveyed into the heat medium conveying pipe 4, the heat medium can be completely wrapped on the outer wall of the cold medium conveying pipe 10 in the heat medium conveying pipe 4, so that the heat exchange efficiency is increased, five heat medium conveying pipes 4 and five cold medium conveying pipes 10 are fixedly connected through sealing sleeves 8, five heat medium conveying pipes 4 are fixedly connected through heat medium connecting pipes 5, installation fixing sleeves 6 are sleeved outside the circumferences of the cold medium conveying pipes 10 on the left side and the right side of the five heat medium conveying pipes 4, ten installation fixing sleeves 6 are arranged, ten installation fixing sleeves 6 are respectively sleeved outside the circumferences of the five cold medium conveying pipes 10 close to the left side and the right side, the ten installation fixing sleeves 6 are identical in shape, size and structure composition, the installation fixing sleeves 6 can enable the whole heat exchanger to be rapidly installed on a fixed supporting frame, and when the main body part of the heat exchanger needs to be disassembled, the purpose of quickly disassembling the heat exchanger main body can be realized only by unscrewing bolts connected between the mounting fixing sleeve 6 and the fixing support frame, the outer wall of the lower end of a heat medium conveying pipe 4 on the left side of a cold medium outlet pipe 2 is connected with a heat medium outlet pipe 3 with a downward opening, the left end of the uppermost heat medium conveying pipe 10 in five heat medium conveying pipes 10 is connected with a cold medium inlet pipe 9 with a leftward opening, the outer wall of the upper end of the heat medium conveying pipe 4 on the right side of the cold medium inlet pipe 9 is connected with a heat medium inlet pipe 11 with an upward opening, reinforcing anti-bending pipe devices 12 are respectively connected between the opposite outer walls of the five heat medium conveying pipes 4 close to the left side and the right side, butt-joint discs 1 are respectively sleeved on the outer circumferential walls of the outmost ends of the cold medium outlet pipe 2, the cold medium inlet pipe 9, the heat medium outlet pipe 3 and the heat medium, the four are fixedly butted with the external pipeline through the butt joint disc 1, so that the installation progress can be accelerated, and meanwhile, the sealing performance of the cold medium outlet pipe 2, the cold medium inlet pipe 9, the hot medium outlet pipe 3 and the hot medium inlet pipe 11 can also be kept in the best state after the butt joint with the external pipeline is well carried out.

A heat exchanger for chemical industry for preventing pipe bending is provided, a reinforcing pipe bending prevention device 12 is provided with a lower reinforcing sleeve 13 with a downward opening and an upper reinforcing sleeve 17 with an upward opening, the upper reinforcing sleeve 17 and the lower reinforcing sleeve 13 are respectively sleeved on the outer wall of a heat medium conveying pipe 4 which is parallel up and down, the shape, size and structure composition of the upper reinforcing sleeve 17 and the lower reinforcing sleeve 13 are the same, anti-skid pads are respectively arranged on the opposite inner walls of the upper reinforcing sleeve 17 and the lower reinforcing sleeve 13, the circumferential inner walls of the upper reinforcing sleeve 17 and the lower reinforcing sleeve 13 can be completely attached on the circumferential outer wall of the heat medium conveying pipe 4, the opposite inner walls of the upper reinforcing sleeve 17 and the lower reinforcing sleeve 13 are respectively connected with an upper connecting seat 18 and a lower connecting seat 14, reinforcing and adjusting screw holes 19 with opposite openings are respectively arranged inside the circumferences of the upper connecting seat 18 and the lower connecting seat 14, the shape, size and structure composition of the upper connecting seat 18 and the lower connecting seat 14 which are respectively connected on the opposite inner walls, the lengths of the reinforcing and adjusting screw rods 16 at the upper end and the lower end of the adjusting sleeve 15 are equal to the depths of the reinforcing and adjusting screw holes 19 in the upper connecting seat 18 and the lower connecting seat 14, the distance between the upper reinforcing sleeve 17 and the lower reinforcing sleeve 13 is shortest after the two ends of the reinforcing and adjusting screw rods 16 respectively and completely penetrate into the reinforcing and adjusting screw holes 19 in the upper connecting seat 18 and the lower connecting seat 14, so that the whole reinforcing and anti-bending device 12 can rapidly slide to the opposite direction of the two heat medium conveying pipes 4 for mounting and fixing, the vertical reinforcing and adjusting screw rods 16 are connected inside the circumferences of the two reinforcing and adjusting screw holes 19, the adjusting sleeve 15 is sleeved on the outer wall of the circumference of the middle section of the reinforcing and adjusting screw rod 16, the adjusting sleeve 15 and the reinforcing and adjusting screw rod 16 are fixedly connected through welding, and the two reinforcing and anti-bending devices 12 between the heat medium conveying pipe 4 on the upper side of the, at this time, the reinforcing pipe bending prevention device 12 needs to be adjusted to the shortest state and then slides into the space between two opposite hot medium conveying pipes 4, then the adjustable wrench is sleeved outside the adjusting sleeve 15 on the reinforcing pipe bending device and rotates clockwise, at this time, the adjusting sleeve 15 rotating clockwise drives the reinforcing adjusting screw 16 to rotate, because the upper end and the lower end of the reinforcing adjusting screw 16 are respectively fixed in the reinforcing adjusting screw holes 19 inside the upper connecting seat 18 and the lower connecting seat 14, and because the upper connecting seat 18 and the lower connecting seat 14 are respectively connected on the outer wall of the bottom of the upper reinforcing sleeve 17 and the outer wall of the top of the lower reinforcing sleeve 13, the upper reinforcing sleeve 17 is sleeved outside the upper hot medium conveying pipe 4, and the lower reinforcing sleeve 13 is sleeved outside the lower hot medium conveying pipe 4, when the reinforcing adjusting screw 16 rotates clockwise, the upper end and the lower end of the reinforcing adjusting screw move outwards inside the two reinforcing adjusting screw holes 19 respectively through the screw thread action, the reinforcing adjusting screw 16 moving outwards in the two reinforcing adjusting screw holes 19 can increase the gap distance between the upper reinforcing sleeve 17 and the lower reinforcing sleeve 13, so that the upper reinforcing sleeve 17 and the lower fixing sleeve can respectively generate outward tension on the two heat medium conveying pipes 4 after the upper reinforcing sleeve 17 and the lower fixing sleeve are adjusted to a certain distance, and the purpose of increasing the use rigidity of the five heat medium conveying pipes 4 and the five cold medium conveying pipes 10 in the five heat medium conveying pipes 4 is achieved.

The utility model discloses a theory of operation and use flow: the utility model is installed well, when assembling and using, at first, five heat medium conveying pipes 4 are respectively sleeved outside the circumference of five cold medium conveying pipes 10, then the left and right ends of the five heat medium conveying pipes 4 are respectively sealed and fixed with the five cold medium conveying pipes 10 through the sealing sleeves 8, then the five cold medium conveying pipes 10 sleeved with the heat medium conveying pipes 4 outside are mutually connected and fixed through the cold medium connecting bent pipes 7, then the cold medium inlet pipe 9 and the heat medium inlet pipe 11 at the top are respectively butted and fixed with the cold and hot medium conveying equipment, then the cold medium outlet pipe 2 and the heat medium outlet pipe 3 at the lower side are respectively butted and fixed with the cold and hot discharge equipment in the same way, then the cold medium enters the inside of the cold medium conveying pipes 10 through the cold medium inlet pipe 9 when using, the purpose of heat exchange can be achieved when conveying, then the media losing energy are discharged through the cold media outlet pipe 2, two reinforcing anti-bending devices 12 are added between five heat medium delivery pipes 4 on the heat exchanger for chemical engineering, five pairs of ten reinforcing anti-bending devices 12 can be adjusted in length within eight centimeters, the two heat medium delivery pipes 4 connected with the ten reinforcing anti-bending devices 12 can be applied with outward tension by adjusting the using lengths of the ten reinforcing anti-bending devices 12, the five heat medium delivery pipes 4 and the five cold media delivery pipes 10 inside the five heat medium delivery pipes 4 can be added with self-rigidity after the five heat medium delivery pipes 4 are subjected to the tension generated by the reinforcing anti-bending devices 12, and the five heat medium delivery pipes 4 and the five cold media delivery pipes 10 inside the five heat medium delivery pipes 4 can bear heavier heat media and cold media during use through the tension, the five hot medium delivery pipes 4 and the five cold medium delivery pipes 10 inside are prevented from bending downwards due to the excessive load and insufficient rigidity.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent heat exchanger for chemical industry of return bend, includes docking tray (1) and cold medium exit tube (2), its characterized in that: the butt joint disk (1) is installed on the rightmost end circumference outer wall of cold medium exit tube (2), and the left end of cold medium exit tube (2) is connected with horizontal cold medium conveyer pipe (10), the parallel upside of cold medium conveyer pipe (10) still is provided with other four cold medium conveyer pipes (10), five the both ends of cold medium conveyer pipe (10) are all through cold medium connecting elbow (7) fixed connection, five heat medium conveyer pipe (4) have all been cup jointed to the circumference outside of cold medium conveyer pipe (10), five both ends all are connected with seal cover (8) about heat medium conveyer pipe (4), five all through seal cover (8) fixed connection, five between heat medium conveyer pipe (4) and five cold medium conveyer pipes (10) all through heat medium connecting pipe (5) fixed connection, five cold media conveyer pipes (10) of the left and right sides of the hot media conveyer pipe (4) are circumferentially externally sleeved with an installation fixing sleeve (6), the left hot media conveyer pipe (4) of the cold media outlet pipe (2) is connected with a hot media outlet pipe (3) with a downward opening on the outer wall of the lower end of the hot media conveyer pipe (4), five cold media conveyer pipes (10) on the uppermost side in the cold media conveyer pipes (10) are connected with a cold media inlet pipe (9) with a leftward opening on the left side, the hot media conveyer pipe (4) on the right side of the cold media inlet pipe (9) is connected with a hot media inlet pipe (11) with a downward opening on the outer wall of the upper end, five hot media conveyer pipes (4) are connected with a reinforced anti-bending pipe device (12) between opposite outer walls close to the left and right sides, and the reinforced anti-bending pipe device (12) is provided with a, go up reinforcement cover (17) and lower reinforcement cover (13) cup joint respectively on the outer wall of the heat medium conveyer pipe (4) of parallel from top to bottom, go up reinforcement cover (17) and be connected with connecting seat (18) and connecting seat (14) down on the subtend inner wall of reinforcement cover (13) down respectively, go up the inside reinforcement adjusting screw (19) that all is provided with opening subtend of circumference of connecting seat (18) and connecting seat (14) down, two the circumference internal connection of reinforcement adjusting screw (19) has vertical reinforcement adjusting screw (16), it has adjusting sleeve (15) to cup joint on adjusting screw (16) interlude circumference outer wall, adjusting sleeve (15) and reinforcement adjusting screw (16) are through welded fastening connection.

2. The anti-bending heat exchanger for the chemical industry according to claim 1, characterized in that: the cold medium conveying pipe (10) and the hot medium conveying pipe (4) are respectively provided with five, five the hot medium conveying pipe (4) is respectively adjusted outside the circumference of the five cold medium conveying pipes (10), and the circumference diameter of the hot medium conveying pipe (4) is two times of the circumference diameter of the five cold medium conveying pipes (10).

3. The anti-bending heat exchanger for the chemical industry according to claim 1, characterized in that: the shape, size and structure of the upper reinforcing sleeve (17) and the lower reinforcing sleeve (13) are the same, anti-slip pads are arranged on the opposite inner walls of the upper reinforcing sleeve (17) and the lower reinforcing sleeve (13), and the circumferential inner walls of the upper reinforcing sleeve (17) and the lower reinforcing sleeve (13) can be completely attached to the circumferential outer wall of the heat medium conveying pipe (4).

4. The anti-bending heat exchanger for the chemical industry according to claim 1, characterized in that: all cup jointed dish (1), four on the circumference outer wall of cold medium exit tube (2), cold medium advance pipe (9), heat medium exit tube (3) and heat medium advance pipe (11) outermost end, all be provided with the mounting hole that four equidistance were arranged in butt joint dish (1) the outside inside.

5. The anti-bending heat exchanger for the chemical industry according to claim 1, characterized in that: the upper reinforcing sleeve (17) and the lower reinforcing sleeve (13) are same in shape, size and structure composition with respect to an upper connecting seat (18) and a lower connecting seat (14) which are respectively connected on the inner walls, and the lengths of reinforcing adjusting screws (16) at the upper end and the lower end of the adjusting sleeve (15) are equal to the depth of reinforcing adjusting screw holes (19) inside the upper connecting seat (18) and the lower connecting seat (14).

6. The anti-bending heat exchanger for the chemical industry according to claim 1, characterized in that: the installation fixing sleeve (6) is provided with ten, ten the installation fixing sleeve (6) is respectively sleeved outside five cooling medium conveying pipes (10) close to the peripheries of the left side and the right side, and the ten installation fixing sleeve (6) is identical in shape, size and structural composition.