CN212567011U

CN212567011U - U-shaped tube heat exchanger with high-efficiency cooling effect for heating medium system

Info

Publication number: CN212567011U
Application number: CN202021130406.9U
Authority: CN
Inventors: 卓光澐
Original assignee: Shanghai Quanhong Thermal Equipment Engineering Co ltd
Current assignee: Shanghai Quanhong Thermal Equipment Engineering Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-19
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to a U-shaped tube heat exchanger with high cooling effect for a heat medium system, which belongs to the technical field of heat exchangers and comprises a shell, wherein one end of the shell is provided with a tube plate, the circumferential surface of the shell is communicated with a shell pass fluid inlet and a shell pass fluid outlet, a U-shaped tube bundle is arranged in the shell, the other side of the tube plate is provided with a tube box, a clapboard is arranged in the tube box and is abutted against the tube plate, the tube box is divided into two chambers by the clapboard, the circumferential surface of the tube box is communicated with a tube pass fluid inlet and a tube pass fluid outlet, the tube pass fluid inlet and the tube pass fluid outlet are respectively communicated with the two chambers separated by the clapboard, two ports of the U-shaped tube pass through the tube plate and are communicated with the two chambers separated by the clapboard, the shell is also internally provided with a plurality of baffle plates which are vertical to the axial, the recess inside callipers is equipped with the sealing strip, and this utility model is new to be had the effect of strengthening the cooling effect.

Description

U-shaped tube heat exchanger with high-efficiency cooling effect for heating medium system

Technical Field

The utility model relates to a technical field of heat exchanger especially relates to a high-effect cooling effect U-shaped pipe heat exchanger for heat medium system.

Background

In some production processes in the chemical industry field, some media often need to be cooled, the cooling device commonly used at present is a U-shaped tube heat exchanger, the U-shaped tube heat exchanger comprises main components such as a tube box, a shell and a U-shaped tube bundle, the U-shaped tube heat exchanger only has one tube plate, two ends of a tube are fixed on the same tube plate, and the U-shaped tube heat exchanger enables two fluids to exchange heat through the mode that the two different fluids flow in the U-shaped tube and the shell respectively, so that the purpose of cooling one fluid is achieved.

The existing Chinese patent with public reference number CN103424011A discloses a novel U-shaped tube bundle type heat exchanger, which comprises a guide cylinder, a tube box end cover and a tube plate, wherein the tube box end cover and the tube plate are respectively arranged at the left end and the right end of the guide cylinder, the right side of the tube plate is fixedly provided with a U-shaped tube bundle communicated with the guide cylinder, the right side of the tube plate is also connected with a shell for accommodating the U-shaped tube bundle in the tube plate, the shell is also internally provided with baffle plates in parallel, the guide cylinder is respectively provided with a split-range partition plate at the upper part and the lower part of the junction of the inlet and the outlet of the U-shaped tube bundle at a certain distance, the split-range partition plate extends to the tube plate from the tube box end cover, the middle of the tube plate is also provided with a straight tube which extends.

The above prior art solutions have the following drawbacks: the tube side fluid can enter the straight plate of the cavity at the innermost layer of the U-shaped tube bundle, the utilization rate of the tube plate is improved, but the baffle plate is not connected with the inner wall of the shell, a certain gap exists between the baffle plate and the shell, the shell side fluid can pass through the gap between the baffle plate and the shell, and the flow of the shell side fluid moving around the U-shaped tube bundle along the baffle plate is reduced, so that the cooling effect is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-effect cooling effect U-shaped pipe heat exchanger for heat medium system reaches the effect of strengthening the cooling effect.

The above-mentioned new object of the present invention is achieved by the following technical solutions:

a U-shaped tube heat exchanger with high-efficiency cooling effect for a heat medium system comprises a shell, wherein a tube plate is arranged at one end of the shell, the other end of the shell is closed, a shell side fluid inlet and a shell side fluid outlet are communicated with the circumferential surface of the shell, a U-shaped tube bundle is arranged in the shell, a tube box is arranged at the other side of the tube plate, a partition plate is arranged in the tube box and is abutted against the tube plate, the tube box is divided into two chambers by the partition plate, a tube side fluid inlet and a tube side fluid outlet are communicated with the circumferential surface of the tube box, the tube side fluid inlet and the tube side fluid outlet are respectively communicated with the two chambers which are divided by the partition plate, two ports of the U-shaped tube penetrate through the tube plate and are communicated with the two chambers which are divided by the partition plate, a plurality of baffle plates are further arranged in the, the groove is internally clamped with a sealing strip.

By adopting the technical scheme, the tube side fluid enters a cavity formed by the inner wall of the tube box and the partition plate from the tube side fluid inlet, then enters the U-shaped tube, enters another cavity formed by the inner wall of the tube box and the partition plate after moving in the U-shaped tube, and is finally discharged from the tube side fluid outlet, when the tube side fluid enters the tube box, the shell side fluid enters the shell from the shell side fluid inlet and moves around the U-shaped tube along the baffle plate, the shell side fluid contacts with the outer wall of the U-shaped tube in the movement process to cool the U-shaped tube, the tube side fluid in the U-shaped tube contacts with the inner wall of the U-shaped tube, so that the tube side fluid in the U-shaped tube is cooled, the sealing strip is arranged between the baffle plate and the shell, the sealing strip fills a gap between the baffle plate and the shell, so that the shell side fluid entering the shell is not easy to flow between the, the contact between the shell side fluid and the U-shaped pipe is increased, which is beneficial to enhancing the cooling effect.

The utility model is further arranged as follows: the sealing strip is of a closed tubular structure, and an inflation head capable of inflating into the sealing strip is communicated with the sealing strip.

Through adopting above-mentioned technical scheme, the sealing strip is inflatable, can adjust the sealing strip through aerifing with the gassing for sealing strip and casing maximum butt strengthen sealed effect.

The utility model is further arranged as follows: the sealing strips are provided with communicating pipes which are communicated with all the sealing strips, and the inflation head is communicated with the communicating pipes.

Through adopting above-mentioned technical scheme, aerify in a plurality of sealing strips simultaneously through communicating pipe for the speed of aerifing.

The utility model is further arranged as follows: the communicating pipe passes through the pipe plate and the inflation head of the communicating pipe is positioned in the pipe box.

Through adopting above-mentioned technical scheme, when the sealing strip is in the state of not having the gas, will put into the casing with the tube sheet U-shaped tube bundle in succession, then aerify in to the sealing strip through communicating pipe, make the sealing strip reach the state with the tight butt of shells inner wall, when needs take out the U-shaped pipe, can be earlier through communicating pipe to deflate the sealing strip, then take out the U-shaped pipe, when the sealing strip is in the state of not having the gas, there is the space between baffling board and the shells inner wall, the casing is put into or taken out more easily to the combination of U-shaped pipe and baffling.

The utility model is further arranged as follows: the tube plate is detachably connected with an accommodating groove body, an opening of the accommodating groove body is over against the side face, close to the tube box, of the tube plate, the accommodating groove body is in abutting connection with the tube plate, and the inflation head is arranged in the accommodating groove body.

By adopting the technical scheme, the containing groove body completely covers the outside of the communicating pipe, and the communicating pipe is sealed in the containing groove body, so that the pipe pass fluid is prevented from entering the communicating pipe and contacting with the inflation head, and the damage of the pipe pass fluid to the inflation head is reduced.

The utility model is further arranged as follows: the U-shaped pipe is provided with a fixing block, and the fixing block is positioned at the joint of the baffle plate and the U-shaped pipe.

Through adopting above-mentioned technical scheme, the gap between baffling board and the U-shaped pipe has been filled to the fixed block, can block that shell side fluid passes through in the space between baffling board and the U-shaped pipe for more shell side fluids are around the U-shaped pipe motion along the baffling board, are favorable to strengthening the cooling effect, and the setting of fixed block can also reduce the U-shaped pipe and rock under the effect of shell side fluid in addition, thereby reduces the collision between U-shaped pipe and the baffling board, increases the life of U-shaped pipe.

The utility model is further arranged as follows: still the cover is equipped with the fastener that can fix the fixed block on the U-shaped pipe, and the fastener is located the fixed block and keeps away from one side of baffling board, and the fastener includes tighrening ring, mounting plate, bolt, nut, and the tighrening ring is jagged ring, and mounting plate fixed connection is in the both ends of mounting ring breach, and the bolt passes two mounting plates, and is connected with two nuts on the bolt, and two nuts are located one side that another mounting plate was kept away from to the mounting plate respectively.

Through adopting above-mentioned technical scheme, the fastener can play the fixed action to the fixed block for the fixed block is difficult for sliding on the U-shaped pipe, guarantees that the fixed block is in the gap of baffling board and U-shaped pipe, strengthens sealed effect.

The utility model discloses further set up to: and a sealing ring is arranged in the fastening ring.

Through adopting above-mentioned technical scheme, set up the sealing washer in the fastener for the fastener is inseparabler with the contact of U-shaped pipe, also can play sealed effect when strengthening the fastening effect, makes shell side fluid be difficult for passing through between fastener and the U-shaped pipe, further prevents that shell side fluid from passing through in the space between baffling board and the U-shaped pipe, is favorable to strengthening the cooling effect.

The utility model discloses further set up to: the port of the U-shaped pipe is in threaded connection with a connecting pipe, and the connecting pipe is in threaded connection with the pipe plate.

Through adopting above-mentioned technical scheme, during normal state, be in the state of screwing up between connecting pipe and the U-shaped pipe, also be in the state of screwing up between connecting pipe and the tube sheet, when needs are with U-shaped tube bank and tube sheet separation, can rotate the connecting pipe, make connecting pipe and U-shaped pipe and tube sheet separation, thereby with U-shaped tube bank and tube sheet separation, in addition when single U-shaped pipe is changed to needs, can rotate the connecting pipe on the U-shaped pipe that needs to be changed, make connecting pipe and U-shaped pipe and tube sheet separation, the fastener relaxs on the U-shaped pipe that will need to be changed simultaneously, hold the crooked end of the U-shaped pipe that needs to be changed, just can take this U-shaped pipe out.

The utility model discloses further set up to: the inner wall of the connecting pipe is connected with a first sealing ring, when the connecting pipe and the U-shaped pipe are in a screwing state, the first sealing ring is abutted to the port of the U-shaped pipe, one end, far away from the U-shaped pipe, of the outer wall of the connecting pipe is connected with a second sealing ring, and when the connecting pipe and the pipe plate are in a screwing state, the second sealing ring is abutted to the pipe plate.

Through adopting above-mentioned technical scheme, the second sealing ring can block that tube side fluid gets into in the casing from the gap between connecting pipe and the tube sheet, and first sealing ring can block that tube side fluid gets into the casing from the gap between connecting pipe and the U-shaped pipe, has avoided tube side fluid to leak in the casing and has mixed with shell side fluid, reduces the pollution to shell side fluid.

In summary, the present invention includes at least one of the following beneficial technical effects:

1. by arranging the sealing strips, more shell-side fluid moves around the U-shaped pipe along the baffle plate, so that the cooling effect is enhanced;

2. the fixed block is arranged, so that the shaking of the U-shaped pipe is reduced, and the service life of the U-shaped pipe is prolonged;

3. through setting up the connecting pipe for can dismantle between U-shaped pipe and the tube sheet and be connected, conveniently change with the U-shaped pipe.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a sectional view of the present embodiment along the housing axial direction.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic view for showing the connection of the communication pipe to the weather strip.

Figure 5 is a cross-sectional view of the inflation head taken along the axis of the housing.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 2.

Fig. 7 is a partially enlarged schematic view of a portion C in fig. 2.

Fig. 8 is a partially enlarged schematic view of a portion D in fig. 2.

In the figure, 1, a housing; 11. a shell-side fluid inlet; 12. a shell-side fluid outlet; 13. a U-shaped tube; 2. a tube sheet; 21. an accommodating tank body; 3. a pipe box; 31. a tube side fluid inlet; 32. a tube-side fluid outlet; 33. a partition plate; 4. a baffle plate; 41. a groove; 5. a sealing strip; 51. a communicating pipe; 52. an inflation head; 521. an outer cylinder; 522. a fixing ring; 523. moving the sheet; 524. a spring; 6. a fixed block; 7. a fastener; 71. a fastening ring; 72. a fastening tab; 73. a bolt; 74. a nut; 75. a seal ring; 8. a connecting pipe; 81. a first seal ring; 82. a second seal ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a U-shaped tube heat exchanger with high cooling effect for a heat medium system as disclosed in the present invention comprises a housing 1, a tube plate 2 is disposed on one side of the housing 1, the other side of the housing 1 is of a closed structure, a shell-side fluid inlet 11 is communicated with a circumferential surface of the housing 1 on a side away from the tube plate 2, a shell-side fluid outlet 12 is communicated with a circumferential surface of the housing 1 on a side close to the tube plate 2, a tube box 3 is disposed on the other side of the tube plate 2, the tube box 3 is flange-connected to the housing 1, a partition plate 33 is fixedly connected in the tube box 3, the partition plate 33 abuts against the tube plate 2, the tube box 3 is divided into two chambers by the partition plate 33, a tube-side fluid inlet 31 and a tube-side fluid outlet 32 are communicated with the tube-side fluid inlet 31 and the tube-side fluid outlet 32 respectively, the tube-side fluid inlet 31 and the tube-side fluid, the U-shaped pipe 13 is restrainted and is arranged in casing 1, two ports intercommunication pipe case 3 of U-shaped pipe 13 are by two separated cavities of baffle 33, be connected with a plurality of baffling boards 4 on the U-shaped pipe 13 is restrainted, baffling board 4 perpendicular to U-shaped pipe 13 axis direction, set up the hole that can supply U-shaped pipe 13 to pass on the baffling board 4, baffling board 4 is fixed in casing 1 through U-shaped pipe 13, a plurality of baffling boards 4 are parallel to each other and crisscross the arranging, baffling board 4 is semi-circular structure, the circumferential surface of baffling board 4 is close to the casing 1 inner wall, still be provided with the sealing mechanism who strengthens the leakproofness between baffling board 4 and the casing 1 inner wall on the baffling board 4, be provided with the.

Referring to fig. 1 and 2, the tube-side fluid enters a chamber formed by the tube box 3 and the partition 33 from the tube-side fluid inlet 31, then enters the U-shaped tube 13 from the end of the U-shaped tube 13, when the U-shaped pipe 13 moves, the tube-side fluid enters the tube box 3, the shell-side fluid enters the shell 1 from the shell-side fluid inlet 11, the shell-side fluid in the shell 1 moves around the outer wall of the U-shaped pipe 13 along the baffle plate 4 and is discharged after moving to the shell-side fluid outlet 12, the shell-side fluid contacts with the outer wall of the U-shaped pipe 13 in the moving process to cool the U-shaped pipe 13, the tube-side fluid in the U-shaped pipe 13 contacts with the inner wall of the U-shaped pipe 13, thereby cooling the tube pass fluid in the U-shaped tube 13, after the tube pass fluid in the U-shaped tube 13 is cooled, enters the other chamber formed by the tube box 3 and the partition plate 33 from the other end of the U-shaped tube 13, and is then discharged from the tube-side fluid outlet 32. Sealing mechanism can strengthen the leakproofness of baffling board 4 and 1 inner wall of casing, make shell side fluid be difficult for passing through between baffling board 4 and the casing 1, thereby guarantee that more shell side fluids move around U-shaped pipe 13 along baffling board 4, be favorable to improving the cooling effect, fixing mechanism can play the fixed action to U-shaped pipe 13, make shell side fluid when moving around U-shaped pipe 13, U-shaped pipe 13 is difficult for rocking taking place under the effect of shell side fluid, collision with baffling board 4 when having reduced U-shaped pipe 13 and rocking, the life of U-shaped pipe 13 has been prolonged.

Referring to fig. 3 and 4, the sealing mechanism includes the sealing tape 5, the communication pipe 51, and the inflation head 52. The circumferential surface of the baffle plate 4 is provided with a groove 41, the sealing strip 5 is clamped in the groove 41, the sealing strip 5 is of a closed tubular structure, the side wall of the groove 41 is further provided with a hole for a communicating pipe 51 to pass through, the communicating pipe 51 is of a closed tubular structure, the communicating pipe 51 passes through the hole on the groove 41 and the sealing strip 5 in the groove 41, the communicating pipe 51 is communicated with all the sealing strips 5, one end of the communicating pipe 51 passes through the pipe plate 2 and is arranged in the pipe box 3, one end of the communicating pipe 51 arranged in the pipe box 3 is provided with an inflation head 52 (refer to fig. 5) capable of inflating the communicating pipe 51, the inflation head 52 is fixedly connected to one end of the communicating pipe 51, the inflation head 52 comprises an outer cylinder 521, a fixing ring 522, a moving plate 523 and a spring 524, the circumferential surface of the outer cylinder 521 is provided with a, the moving piece 523 is fixedly connected to the other end of the spring 524, and the moving piece 523 abuts against the fixed ring 522 on the side close to the bottom of the outer cylinder 521. After the bundle of U-shaped tubes 13 is placed in the housing 1, the air gun is inserted into the air charging head 52, the moving piece 523 is pressed, then the spring 524 is pressed, so that the moving plate 523 moves towards the bottom of the outer cylinder 521, the air enters the communicating pipe 51 through the air hole on the outer cylinder 521, inflates the communicating pipe 51, further inflates the sealing strip 5, so that the sealing strip 5 is tightly pressed against the inner wall of the shell 1, then the inflation gun is pulled out, the spring 524 restores the natural state by itself, drives the movable piece 523 to restore the state of abutting against the fixed ring 522, ensures that the communicating pipe 51 cannot leak air, the sealing strip 5 fills the gap between the baffle plate 4 and the shell 1, so that the shell pass fluid in the shell 1 is not easy to pass through between the baffle plate 4 and the shell 1, more shell pass fluid is ensured to move around the U-shaped pipe 13 along the baffle plate 4, the contact between the shell pass fluid and the U-shaped pipe 13 is increased, and the cooling effect is favorably improved.

Referring to fig. 4, a connecting block is fixedly connected to the tube plate 2, the connecting block is located at a position where the communicating pipe 51 is communicated with the tube plate 2, an accommodating groove 21 is connected to the connecting block through an external thread, an opening of the accommodating groove 21 faces the side surface of the tube plate 2 close to the tube box 3, the accommodating groove 21 is abutted to the tube plate 2, the inflation head 52 is arranged in the accommodating groove 21, the accommodating groove 21 is arranged to prevent the inflation head 52 from contacting with tube pass fluid in the tube box 3, and the probability of damage to the inflation head 52 is reduced.

Referring to fig. 6 and 7, the fixing mechanism includes a fixing block 6, a fastening member 7, and a sealing ring 75. The fixed block 6 is sleeved with the U-shaped pipe 13, the fixed block 6 is located at the joint of the baffle plate 4 and the U-shaped pipe 13, the outer wall of the fixed block 6 is gradually close to the axis of the fixed block 6 along the direction close to the baffle plate 4, the fastener 7 is sleeved outside the U-shaped pipe 13 and is connected with the fixed block 6 away from one end of the baffle plate 4, the fastener 7 comprises a fastening ring 71, fastening pieces 72, bolts 73 and nuts 74, the fastening ring 71 is a notched ring, the fastening pieces 72 are fixedly connected to two ends of the notch of the fastening ring 71, the bolts 73 penetrate through the two fastening pieces 72, and the bolts 73 are connected with the two nuts 74, the two nuts 74 are respectively located on one side of the fastening pieces 72 away from the other fastening pieces 72, the sealing ring 75 is sleeved on the U-shaped pipe 13 and located. After the screw cap 74 on the bolt 73 is screwed, the two fastening pieces 72 are gradually close to each other to drive the gap on the fastening ring 71 to be gradually reduced, the fastening ring 71 is fixed on the U-shaped pipe 13, the fastening piece 7 is tightly abutted to the fixing block 6, so that the fixing block 6 is not easy to move in the direction away from the baffle plate 4, and the fixing block 6 is more firmly inserted between the baffle plate 4 and the U-shaped pipe 13, the shell pass fluid moves around the U-shaped pipe 13 along the baffle plate 4, the shell pass fluid moves transversely relative to the U-shaped pipe 13, the fixing block 6 fills the gap between the baffle plate 4 and the U-shaped pipe 13, so that the U-shaped pipe 13 has no swinging space, the U-shaped pipe 13 is prevented from swinging under the action of the shell pass fluid to collide with the baffle plate 4, the service life of the U-shaped pipe 13 is prolonged, meanwhile, the shell pass fluid is not easy to pass between the baffle plate 4 and, is beneficial to improving the cooling effect.

Referring to fig. 8, a connection pipe 8 is connected to the end of the U-shaped pipe 13 by a screw thread, a screw thread is arranged on the outer wall of the end of the U-shaped pipe 13, a screw thread adapted to the screw thread of the outer wall of the U-shaped pipe 13 is arranged on the inner wall of the connection pipe 8, a first sealing ring 81 is fixedly connected to the inner wall of the connection pipe 8, when the U-shaped pipe 13 and the connection pipe 8 are in a screwed state, the first sealing ring 81 abuts against the U-shaped pipe 13, the connection pipe 8 is further connected to the pipe plate 2 by a screw thread, the outer wall of the connection pipe 8 is provided with a screw thread opposite to the direction of the screw thread on the U-shaped pipe 13, the inner wall of the pipe plate 2 connected to the connection pipe 8 is provided with a screw thread adapted to the external screw thread of the connection pipe 8, so that the connection pipe, the second sealing ring 82 abuts against the tube plate 2. When it is necessary to replace the U-shaped tubes 13, the bundle of U-shaped tubes 13 may be taken out of the housing 1, an adapted wrench is inserted into the connecting tube 8 connected to the U-shaped tube 13 to be replaced, the connecting tube 8 is rotated to separate the connecting tube 8 from the U-shaped tube 13 and the tube plate 2, then the nut 74 of the fastener 7 is rotated on the U-shaped tube 13 to be replaced to separate the fastener 7 from the U-shaped tube 13, then the U-shaped tube 13 to be replaced is pulled out of the bundle of U-shaped tubes 13 from the side of the U-shaped tube 13 to be replaced away from the tube plate 2 to be replaced, replaced with a new U-shaped tube 13, and then the corresponding nut 74 and connecting.

The implementation principle of the embodiment is as follows: a tube-side fluid enters the U-shaped tubes 13 from the tube-side fluid inlets 31 and moves in the U-shaped tubes 13, meanwhile, a shell-side fluid enters the shell 1 from the shell-side fluid inlets 11, the shell-side fluid moves around the U-shaped tubes 13 in the shell 1 along the baffle plates 4 and then is discharged from the shell-side fluid outlets 12, the shell-side fluid contacts with the U-shaped tubes 13 during the movement to cool the U-shaped tubes 13, the tube-side fluid in the U-shaped tubes 13 contacts with the inner walls of the U-shaped tubes 13, so that the tube-side fluid in the U-shaped tubes 13 is cooled, when the shell-side fluid moves in the shell 1, the sealing strips 5 block the shell-side fluid from passing between the baffle plates 4 and the shell 1, the fixing blocks the shell-side fluid from passing between the baffle plates 4 and the U-shaped tubes 13 by the fixing blocks 6 and the fasteners 7, so that more shell-side fluid moves around the U-shaped tubes 13 along, meanwhile, the fixing block 6 also prevents the U-shaped pipe 13 from shaking under the action of the shell-side fluid, so that the collision between the U-shaped pipe 13 and the baffle plate 4 is reduced, and the service life of the U-shaped pipe 13 is prolonged.

The embodiments of the present invention are all preferred embodiments of the present invention, and the scope of the present invention is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the new utility model are covered by the protection scope of the new utility model.

Claims

1. A high-effect cooling effect U-shaped pipe heat exchanger for a heating medium system comprises a shell (1), and is characterized in that: one end of the shell (1) is provided with a tube plate (2), the other end of the shell (1) is closed, the circumferential surface of the shell (1) is communicated with a shell side fluid inlet (11) and a shell side fluid outlet (12), a U-shaped tube (13) bundle is arranged in the shell (1), the other side of the tube plate (2) is provided with a tube box (3), a partition plate (33) is arranged in the tube box (3), the partition plate (33) is abutted against the tube plate (2), the tube box (3) is divided into two chambers by the partition plate (33), the circumferential surface of the tube box (3) is communicated with a tube side fluid inlet (31) and a tube side fluid outlet (32), the tube side fluid inlet (31) and the tube side fluid outlet (32) are respectively communicated with the two chambers of the tube box (3) which are separated by the partition plate (33), and the two ports of the U-shaped tube (13) penetrate through the tube plate (2) to, a plurality of baffle plates (4) are further arranged in the shell (1), the baffle plates (4) are perpendicular to the axis direction of the U-shaped pipe (13), the U-shaped pipe (13) penetrates through the baffle plates (4), a groove (41) is formed in the surface, close to the shell (1), of each baffle plate (4), and a sealing strip (5) is clamped in each groove (41).

2. The high efficiency cooling effect U-tube heat exchanger for a heating medium system as set forth in claim 1 wherein: the sealing strip (5) is of a closed tubular structure, and an inflation head (52) capable of inflating into the sealing strip (5) is communicated with the sealing strip (5).

3. The high efficiency cooling effect U-tube heat exchanger for a heating medium system as set forth in claim 2 wherein: the sealing strip (5) is provided with a communicating pipe (51), the communicating pipe (51) is communicated with all the sealing strips (5), and the inflation head (52) is communicated with the communicating pipe (51).

4. The high efficiency cooling effect U-tube heat exchanger for a heating medium system as set forth in claim 3 wherein: the communicating pipe (51) penetrates through the tube plate (2) and an inflation head (52) of the communicating pipe (51) is positioned in the tube box (3).

5. The high efficiency cooling effect U-tube heat exchanger for a heating medium system as set forth in claim 4 wherein: the tube plate (2) is detachably connected with an accommodating groove body (21), an opening of the accommodating groove body (21) is over against the side face, close to the tube box (3), of the tube plate (2), the accommodating groove body (21) is abutted to the tube plate (2), and the inflation head (52) is arranged in the accommodating groove body (21).

6. The high efficiency cooling effect U-tube heat exchanger for a heating medium system as set forth in claim 1 wherein: the U-shaped pipe (13) is provided with a fixing block (6), and the fixing block (6) is positioned at the joint of the baffle plate (4) and the U-shaped pipe (13).

7. The high efficiency cooling effect U-tube heat exchanger for a heating medium system as set forth in claim 6 wherein: still the cover is equipped with fastener (7) that can fix fixed block (6) on U-shaped pipe (13), fastener (7) are located one side that baffling board (4) were kept away from to fixed block (6), fastener (7) are including tighrening ring (71), mounting plate (72), bolt (73), nut (74), mounting ring (71) are the ring that has the breach, mounting plate (72) fixed connection is in the both ends of tighrening ring (71) breach, bolt (73) pass two mounting plate (72), and be connected with two nuts (74) on bolt (73), two nuts (74) are located one side that another mounting plate (72) were kept away from in mounting plate (72) respectively.

8. The high efficiency cooling effect U-tube heat exchanger for a heating medium system as set forth in claim 7 wherein: a sealing ring (75) is arranged in the fastening ring (71).

9. The high efficiency cooling effect U-tube heat exchanger for a heating medium system as set forth in claim 1 wherein: the port of the U-shaped pipe is in threaded connection with a connecting pipe (8), and the connecting pipe (8) is in threaded connection with the pipe plate (2).

10. The high efficiency cooling effect U-tube heat exchanger for a heating medium system of claim 9 wherein: the inner wall of the connecting pipe (8) is connected with a first sealing ring (81), the connecting pipe (8) and the U-shaped pipe (13) are in a screwing state, the first sealing ring (81) is connected with the port of the U-shaped pipe (13) in an abutting mode, one end, away from the U-shaped pipe (13), of the outer wall of the connecting pipe (8) is connected with a second sealing ring (82), and the connecting pipe (8) and the pipe plate (2) are in a screwing state, and the second sealing ring (82) is connected with the pipe plate (2) in an abutting mode.