CN213363479U

CN213363479U - Corrugated pipe positive displacement heat exchanger

Info

Publication number: CN213363479U
Application number: CN202022288565.8U
Authority: CN
Inventors: 刘林沛; 魏鑫
Original assignee: Beijing Extra High Heat Exchange Equipment Co ltd
Current assignee: Beijing Extra High Heat Exchange Equipment Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-04
Anticipated expiration: 2030-10-14

Abstract

The application relates to a corrugated pipe displacement heat exchanger, which belongs to the technical field of heat exchangers, and provides the following technical scheme aiming at the problems that the inner wall surface of a heat medium pipe is easy to form scale, the heat exchange efficiency is reduced, and the heat exchange effect is influenced; the corrugated pipe comprises a plurality of straight pipe sections, an arc-shaped pipe section is arranged between every two adjacent straight pipe sections, the inner diameter of the arc-shaped pipe section is larger than that of the straight pipe sections, and the inner diameter of the arc-shaped pipe section is gradually increased from the two ends of the arc-shaped pipe section to the middle of the arc-shaped pipe section. This application has the incrustation scale of self-cleaning nodal pipe, improves heat exchange efficiency's advantage.

Description

Corrugated pipe positive displacement heat exchanger

Technical Field

The application relates to the technical field of heat exchangers, in particular to a corrugated pipe positive displacement heat exchanger.

Background

Devices that transfer heat from a hot fluid to a cold fluid are referred to as heat exchange devices. The heat exchange equipment is widely applied to oil refining, chemical engineering, light industry, pharmacy, machinery, food processing, power and atomic energy industrial departments.

The heat exchanger mainly comprises a tank body and a heat exchange part, wherein the heat exchange part is generally heated by a heat medium, and the heat medium has the characteristics of rapidness, energy conservation, reliable operation and the like, and is widely applied to central heating of general industries, hotels, restaurants, hospitals, sports places and the like. But because the indirect heating equipment of current heat exchanger is the straight tube setting, and straight tube fixed mounting is in the inside of the heat exchanger jar body, and the heat medium is in the inside transmission of straight tube. Because the heat medium contains salt minerals such as calcium, magnesium and the like, after long-time use, the inner wall surface of the heat medium pipe is easy to scale, the heat exchange efficiency is reduced, and the heat exchange effect is influenced.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a nodal pipe positive displacement heat exchanger, its incrustation scale that has the automatic clear nodal pipe improves heat exchange efficiency's advantage.

The technical purpose of the application is realized by the following technical scheme:

a corrugated pipe displacement heat exchanger comprises a tank body, wherein a hot water outlet is formed in the top wall of the tank body, a sewage discharge outlet is formed in the bottom wall of the tank body, two shells are arranged on the tank body, the two shells are symmetrically arranged by taking the axis of the tank body as a center, the shells are arranged in a hollow mode, the shells are communicated with the tank body, a pipe plate is arranged in each shell, the pipe plate seals the communication position of the shell and the tank body, a cavity is formed between the pipe plate and the shells in a surrounding mode, corrugated pipes are arranged between the two pipe plates, each pipe plate is provided with an inserting hole for inserting the corrugated pipe, the two ends of each corrugated pipe are respectively inserted into the inserting holes and communicated with the cavity, and a heat medium inlet is formed in the shell close to the water inlet side; the corrugated pipe comprises a plurality of straight pipe sections, arc-shaped pipe sections are arranged between the adjacent straight pipe sections, the inner diameter of each arc-shaped pipe section is larger than that of each straight pipe section, and the inner diameter of each arc-shaped pipe section is gradually increased from two ends of each arc-shaped pipe section to the middle of each arc-shaped pipe section.

By adopting the technical scheme, when in use, cold water is injected into the tank body, a heating medium is injected into the shell through the heating medium inlet, the heating medium stays in the cavity under the shielding effect of the tube plate, the corrugated tube is communicated with the cavity, the heating medium enters the corrugated tube along with the accumulation of the heating medium in the cavity, the inner diameter of the curved tube is larger than that of the straight tube section, the flow velocity of the equivalent heating medium in the curved tube section is smaller than that of the heating medium in the straight tube section, so that the pressure in the curved tube section is larger than that in the straight tube section, the corrugated tube is alternately arranged by the straight tube section and the curved tube section, so that the heating medium is periodically changed when flowing in the corrugated tube, the heating medium continuously scours the inner wall of the corrugated tube in the flowing process, dirt is not easy to deposit in the corrugated tube, and the inner diameter of the curved tube section is gradually increased from the two ends of the curved tube section to the middle of the curved tube section, the curvature of each part of the corrugated pipe is changed continuously, so that the linear expansion coefficient difference between the dirt and the corrugated pipe is large, and large pulling-out force is formed between the dirt and the corrugated pipe, so that automatic cleaning is realized, and the heat exchange efficiency is improved.

The application is further configured to: one of them the inside of casing is provided with the division board, division board and tube sheet set up perpendicularly, cavity and lower chamber are separated into with the cavity to the division board, the bellows tube includes that the heat medium advances the pipeline section and heat medium goes out the pipeline section, the water inlet and the last cavity that the pipeline section was advanced to the heat medium are linked together, the delivery port and the lower chamber that the pipeline section was gone out to the heat medium are linked together.

Through adopting above-mentioned technical scheme, set up the water inlet and the delivery port of bellows pipe in the homonymy of jar body, the flow time of extension heat medium at jar internal portion to the contact time of extension heat medium and refrigerant improves the utilization ratio of heat medium.

The application is further configured to: and a bent pipe section is arranged between the heat medium inlet pipe section and the heat medium outlet pipe section, and the bent pipe section is arranged in the other cavity.

By adopting the technical scheme, the rotary joint pipe is rotated by arranging the bent pipe section, and the water inlet and the water outlet of the joint pipe are arranged at the same side of the tank body.

The application is further configured to: the wave node pipe is a plurality of, and is a plurality of the wave node pipe sets up side by side along the radial direction of jar body.

Through adopting above-mentioned technical scheme, increase the area of contact of heat medium and refrigerant, improve heat exchange efficiency.

The application is further configured to: the heat medium inlet pipe section and the heat medium outlet pipe section are detachably connected through the connecting component and the pipe plate.

Through adopting above-mentioned technical scheme, be convenient for realize advancing the maintenance and the change of pipeline section and heat medium play pipeline section to the heat medium.

The application is further configured to: the coupling assembling is including setting firmly the fixed pipe in the tube sheet, the heat medium advances the pipeline section and the heat medium goes out the pipeline section and all rotates and be connected with the sleeve pipe, the outside of fixed pipe can be located to the sleeve pipe cover, sleeve pipe and fixed pipe threaded connection.

Through adopting above-mentioned technical scheme, during the installation, locate the outside of fixed pipe with the sleeve pipe cover earlier, then with sleeve pipe and fixed pipe threaded connection to realize dismantling between nodal pipe and the tube sheet and be connected, be convenient for change nodal pipe, convenient operation.

The application is further configured to: the outer portion of the nodal pipe is provided with a spoiler, and the spoiler is arranged along the radial direction of the nodal pipe.

By adopting the technical scheme, the spoiler is arranged, so that on one hand, the spoiler can conduct heat generated by the corrugated pipe to the heating medium, the contact area between the refrigerant and the heating medium is increased, and the heat conduction efficiency is improved; on the other hand, the coolant can be acted on the spoiler in the flowing process of the tank body, so that the spoiler rocks, and the accumulation of dirt on the outer wall of the corrugated pipe is reduced.

The application is further configured to: the air conditioner comprises a heat medium, a cooling medium, a fan.

Through adopting above-mentioned technical scheme, increase the area of contact between refrigerant and the heat medium, improve heat conduction efficiency.

The application is further configured to: the spoiler comprises a first half plate and a second half plate, wherein the first half plate and the second half plate are arranged oppositely, an inserting block is arranged on one side, facing the second half plate, of the first half plate, an inserting groove for inserting the inserting block is correspondingly formed in the second half plate, and a limiting component for limiting the position of the inserting block is arranged on the second half plate.

Through adopting above-mentioned technical scheme, realize dismantling the connection between first half board and the second half board to realize dismantling the connection between spoiler and the nodal pipe, be convenient for change the spoiler.

The application is further configured to: the limiting assembly comprises a limiting column and a compression spring, the side wall of the insertion groove is provided with an installation cavity, a movable space is reserved between the end part of the limiting column and the bottom wall of the installation cavity, the compression spring is arranged in the movable space, when the compression spring is in a natural state, the end part of the limiting column is arranged in the insertion groove, and the insertion block is correspondingly provided with a limiting hole for inserting the limiting column.

Through adopting above-mentioned technical scheme, when the grafting piece is pegged graft in the inside of inserting groove, the grafting piece acts on spacing post for spacing post contracts to the inside of installation cavity, and when the open end of spacing hole and installation cavity was changeed, compression spring drove spacing post and replied the normal position, makes spacing post peg graft in the inside of spacing hole, realizes injecing the position of grafting piece.

In summary, the present application has the following beneficial effects:

firstly, because the inner diameter of the arc-shaped pipe section is larger than that of the straight pipe section, the flow velocity of the equivalent heat medium in the arc-shaped pipe section is smaller than that of the heat medium in the straight pipe section, and the heat medium alternately flows in the straight pipe section and the arc-shaped pipe section of the corrugated pipe and is periodically changed, so that the heat medium continuously scours the inner wall of the corrugated pipe in the flowing process, dirt is not easy to deposit in the corrugated pipe, and a large pulling-out force is formed between the dirt and the corrugated pipe, thereby realizing automatic cleaning and improving the heat exchange efficiency;

secondly, the water inlet and the water outlet of the corrugated pipe are arranged on the same side of the tank body, and the spoiler is additionally arranged outside the corrugated pipe, so that the flowing time of the heating medium in the tank body can be prolonged, the contact time of the heating medium and the refrigerant is prolonged, and the utilization rate of the heating medium is improved;

third, the cross-section through the spoiler sets up with the flow direction of refrigerant is perpendicular, and the refrigerant can be used for the spoiler at the in-process that the internal portion of jar flows for the spoiler produces and rocks, reduces the accumulation of dirt at the bellows outer wall.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view showing the connection relationship between the tube plate, the corrugated tube and the spoiler in the embodiment of the present application;

FIG. 3 is a first top view of FIG. 2;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 4;

FIG. 6 is a second top view of FIG. 2;

FIG. 7 is a sectional view taken along line C-C of FIG. 6;

fig. 8 is an enlarged view of a portion D in fig. 7.

In the figure, 1, a tank body; 11. a hot water outlet; 12. a valve; 13. a first mounting tube; 14. a second mounting tube; 141. a cold water inlet; 15. a housing; 151. a cavity; 1511. an upper chamber; 1512. a lower chamber; 152. a heating medium inlet; 153. a heating medium outlet; 21. a tube sheet; 211. inserting holes; 22. a partition plate; 3. a nodal tube; 31. a heat medium inlet pipe section; 311. a straight pipe section; 312. an arc-shaped pipe section; 32. a heat medium outlet pipe section; 33. bending the pipe section; 4. a connecting assembly; 41. a fixed tube; 42. a sleeve; 5. a spoiler; 51. a strip via; 52. a first half-plate; 521. an insertion block; 5211. a limiting hole; 53. a second half-plate; 531. inserting grooves; 532. a mounting cavity; 6. a limiting component; 61. a limiting column; 62. compressing the spring.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, for this application discloses a nodal pipe positive displacement heat exchanger, including jar body 1, jar body 1 is vertical setting, and jar body 1 is cylindric setting. The tank body 1 is provided with a hot water outlet 11 at the center of the top wall, the bottom wall of the tank body 1 is provided with a sewage draining exit, and the tank body 1 is provided with a valve 12 capable of opening and closing the sewage draining exit at the sewage draining exit.

Referring to fig. 1, a manhole and an operation hole are arranged on one side of the side wall of the tank body 1 close to the bottom wall, the operation hole and the manhole are arranged oppositely, the center of the operation hole and the center of the manhole are positioned on a straight line, and the straight line is perpendicular to the axis of the tank body 1. The welding of the edge of jar body 1 outer wall in the manhole has first installation pipe 13, and first installation pipe 13 axis sets up with jar body 1 axis is perpendicular, and first installation pipe 13 is for having both ends open-ended circle tubular structure.

Referring to fig. 1, the tank body 1 is welded with a second installation pipe 14 at the edge of the operation hole on the outer wall, the axis of the second installation pipe 14 coincides with the axis of the first installation pipe 13, and the second installation pipe 14 is of a cylindrical structure with two open ends. The opening part of the first installation pipe 13 far away from the side of the tank body 1 and the opening part of the second installation pipe 14 far away from the side of the tank body 1 are both provided with a shell 15, and the shell 15 and the first installation pipe 13 as well as the shell 15 and the second installation pipe 14 are detachably connected through flanges.

Referring to fig. 1 and 2, the housing 15 is hollow, the housing 15 is communicated with the tank 1, and the two housings 15 are symmetrically arranged with the axis of the tank 1 as the center. Pipe plates 21 are welded in the two shells 15, the pipe plates 21 are arranged in a circular mode, the pipe plates 21 seal the communication positions of the shells 15 and the tank body 1, and a cold water inlet 141 is formed in a second mounting pipe 14 located between the pipe plates 21 and the tank body 1. The refrigerant is injected into the tank 1 through the cold water inlet 141, and enters the tank 1 under the shielding effect of the tube plate 21.

With reference to fig. 3 and 4, a closed cavity 151 is defined between the tube plate 21 and the inner wall of the shell 15, a heat medium inlet 152 and a heat medium outlet 153 are formed in the shell 15 on the side of the second installation tube 14 away from the tank 1, and both the heat medium inlet 152 and the heat medium outlet 153 are communicated with the cavity 151.

Referring to fig. 4, a partition plate 22 capable of dividing a heating medium inlet 152 and a heating medium outlet 153 is disposed inside the cavity 151, the partition plate 22 is disposed perpendicular to the tube plate 21, and one side of the partition plate 22 is welded to the center of the tube plate 21 and the other side is welded to the inner wall of the case 15. Partition plate 22 divides cavity 151 into an upper chamber 1511 and a lower chamber 1512, wherein heating medium inlet 152 is in communication with upper chamber 1511 and heating medium outlet 153 is in communication with lower chamber 1512.

With reference to fig. 4 and 5, a plurality of insertion holes 211 are formed in both of the two tube plates 21, the plurality of insertion holes 211 are divided into two rows on the tube plates 21, one row of insertion holes 211 communicates the upper chamber 1511 with the tank 1, and the other row of insertion holes 211 communicates the lower chamber 1512 with the tank 1.

With reference to fig. 2 and 5, a plurality of nodal tubes 3 are disposed between the two tube plates 21, the plurality of nodal tubes 3 are disposed side by side along the radial direction of the tank 1, the arrangement direction of the plurality of nodal tubes 3 is perpendicular to the axis of the tank 1, and the number of the nodal tubes 3 is equal to the number of the insertion holes 211 disposed in each row.

Referring to fig. 2 and 4, the corrugated pipe 3 includes a heat medium inlet pipe 31, a heat medium outlet pipe 32, and a bent pipe 33, the heat medium inlet pipe 31, the heat medium outlet pipe 32, and the bent pipe 33 are connected to each other, the heat medium inlet pipe 31, the heat medium outlet pipe 32, and the bent pipe 33 are integrally formed in a U shape, and an opening end of the U shape faces the casing 15 on the side where the partition plate 22 is disposed. The water inlet end of the heat medium inlet pipe section 31 is inserted into the insertion hole 211 of the pipe plate 21 and communicated with the upper chamber 1511, the water outlet end of the heat medium inlet pipe section 31 is inserted into the insertion hole 211 of the other pipe plate 21 and communicated with the bent pipe section 33, one end of the bent pipe section 33, far away from the heat medium inlet pipe section 31, is inserted into the other row of insertion holes 211 of the pipe plate 21 and communicated with the heat medium outlet pipe section 32, and one end of the heat medium outlet pipe section 32, far away from the bent pipe section 33, is inserted into the insertion hole 211 of the pipe plate 21 on the side provided with the partition plate 22 and communicated with the lower chamber 1512. Heating medium is injected into the inside of the upper chamber 1511 through the heating medium inlet 152, and as the heating medium accumulates in the inside of the upper chamber 1511, the heating medium passes through the insertion hole 211, sequentially passes through the heating medium inlet pipe section 31, the bent pipe section 33, the heating medium outlet pipe section 32, enters the lower chamber 1512, and is discharged through the heating medium outlet 153 of the lower chamber 1512.

Referring to fig. 2 and 5, the heating medium inlet pipe section 31 and the heating medium outlet pipe section 32 are detachably connected to each other through the connection member 4 and the tube plate 21. The number of sets of connection assemblies 4 is equal to the number of insertion holes 211 provided in the same tube sheet 21. Since the connection structure and connection relationship between the heat medium inlet pipe segment 31 and the pipe plate 21 are the same as those between the heat medium outlet pipe segment 32 and the pipe plate 21, the present embodiment takes the connection between the heat medium inlet pipe segment 31 and the pipe plate 21 as an example, and the connection between the heat medium outlet pipe segment 32 and the pipe plate 21 is not described in detail.

Referring to fig. 5, the connection assembly 4 includes a fixing tube 41 fixedly disposed on a side of the tube plate 21 opposite to the partition plate 22 and a sleeve 42 disposed on the heat medium inlet pipe section 31, an axis of the fixing tube 41 coincides with an axis of the insertion hole 211, and the fixing tube 41 is welded at an edge of the insertion hole 211. The sleeve 42 is a circular tube with two open ends, one end of the sleeve 42 is sleeved outside the heat medium inlet pipe section 31, the sleeve 42 and the heat medium inlet pipe section 31 are rotatably connected, when the heat medium inlet pipe section 31 is inserted in the insertion hole 211, the sleeve 42 is sleeved outside the fixed pipe 41, and the sleeve 42 and the fixed pipe 41 are in threaded connection.

Referring to fig. 2, each of the heating medium inlet pipe section 31 and the heating medium outlet pipe section 32 includes a plurality of straight pipe sections 311, an arc-shaped pipe section 312 is disposed between adjacent straight pipe sections 311, and the center of the arc-shaped pipe section 312 and the center of the straight pipe section 311 are positioned on a straight line perpendicular to the axis of the can body 1. The inner diameter of the arc-shaped pipe section 312 is gradually increased from the two ends of the arc-shaped pipe section 312 to the middle of the arc-shaped pipe section 312, the inner diameter of the arc-shaped pipe section 312 is larger than that of the straight pipe section 311, the flow rate of the same amount of heating medium in the arc-shaped pipe section 312 is smaller than that of the heating medium in the straight pipe section 311, the pressure in the arc-shaped pipe section 312 is larger than that in the straight pipe section 311, the heating medium is periodically changed when flowing in the corrugated pipe 3, and the heating medium continuously scours the inner wall of the corrugated pipe 3 in the flowing process.

Referring to fig. 2 and 6, a plurality of spoilers 5 are disposed outside the nodal pipe 3, the spoilers 5 are disposed in a circular shape, the spoilers 5 are disposed along a radial direction of the nodal pipe 3, the number of the spoilers 5 is equal, the plurality of spoilers 5 are disposed at equal intervals along a flow direction of the heating medium, and a cross section of each spoiler 5 is perpendicular to the flow direction of the cooling medium.

Referring to fig. 6 and 7, the radial direction of the spoiler 5 spans the outer diameters of the plurality of nodal pipes 3, the spoiler 5 is correspondingly provided with through holes for the nodal pipes 3 to pass through, the plurality of through holes are communicated with each other to form strip-shaped through holes 51, and the strip-shaped through holes 51 are arranged along the radial direction of the spoiler 5.

Referring to fig. 1 and 7, the spoiler 5 comprises a first half plate 52 and a second half plate 53, wherein the first half plate 52 and the second half plate 53 are oppositely arranged, and the joint of the first half plate 52 and the second half plate 53 and the axis of the tank body 1 are in the same vertical plane.

With reference to fig. 7 and 8, the first half plate 52 has two insertion blocks 521 extending in the radial direction of the second half plate 53 toward one side of the second half plate 53, the two insertion blocks 521 are respectively disposed on two sides of the corrugated pipe 3, the second half plate 53 is correspondingly provided with insertion grooves 531 for inserting the insertion blocks 521, and the number of the insertion grooves 531 is equal to the number of the insertion blocks 521.

Referring to fig. 8, the second half plate 53 is provided with a position limiting assembly 6 for limiting the position of the insert block 521. Spacing subassembly 6 includes spacing post 61 and compression spring 62, and installation cavity 532 has been seted up to the lateral wall of inserting groove 531, and installation cavity 532 and inserting groove 531 are linked together, and one section of spacing post 61 sets up in the inside of installation cavity 532, the inside that the other end extends to inserting groove 531, and spacing post 61 is located the motion trail of plug block 521. Reserve between the tip of spacing post 61 and the installation cavity 532 diapire and have the activity space for spacing post 61 can be accomodate in the inside of installation cavity 532 completely, and compression spring 62 sets up the inside of activity space, and compression spring 62's one end and spacing post 61 fixed connection, the other end and installation cavity 532 diapire fixed connection, when compression spring 62 is in natural state, the tip of spacing post 61 sets up in the inside of inserting groove 531.

Referring to fig. 8, the plug block 521 is correspondingly provided with a limiting hole 5211 for inserting the limiting post 61. When the limiting hole 5211 and the opening of the mounting cavity 532 are aligned, the limiting column 61 can be inserted into the limiting hole 5211, so that the position of the insertion block 521 is limited. The contact end of the limiting column 61 and the inserting block 521 is set to be an arc surface, so that the inserting block 521 can conveniently extrude the limiting column 61 and push the limiting column 61 to the inside of the mounting cavity 532, and meanwhile, the inserting block 521 can be conveniently pulled out reversely, and the connection between the first half plate 52 and the second half plate 53 is released.

The implementation principle of the embodiment is as follows: when the heating medium circulation heating device is used, cold water is injected into the temporal part of the tank body 1 through the cold water inlet 141, heating medium is injected into the upper chamber 1511 through the heating medium inlet 152, and along with accumulation of the heating medium in the upper chamber 1511, the heating medium sequentially passes through the heating medium inlet pipe section 31, the bent pipe section 33 and the heating medium outlet pipe section 32 through the inserting holes 211, enters the lower chamber 1512 and is discharged through the heating medium outlet 153 of the lower chamber 1512. Because the quantity of the heat medium passing through the water inlet of the heat medium inlet pipe section 31 is constant, the inner diameter of the arc-shaped pipe section 312 on the corrugated pipe 3 is larger than that of the straight pipe section 311, the flow rate of the same quantity of the heat medium in the arc-shaped pipe section 312 is smaller than that of the heat medium in the straight pipe section 311, so that the pressure in the arc-shaped pipe section 312 is larger than that in the straight pipe section 311, and because the straight pipe section 311 and the arc-shaped pipe section 312 are alternately arranged, the heat medium is periodically changed when flowing in the corrugated pipe 3, so that the heat medium continuously washes the inner wall of the corrugated pipe 3 in the flowing process, dirt is not easy to deposit in the corrugated pipe 3, and meanwhile, the inner diameter of the arc-shaped pipe section 312 is gradually increased from two ends of the arc-shaped pipe section 312 to the middle part of the arc-shaped pipe section 312, so that the curvature of each part of the corrugated pipe 3 is continuously changed, the linear expansion coefficient between the dirt and the corrugated pipe, thereby realizing automatic cleaning and improving the heat exchange efficiency.

The first half-plate 52 of lock and the half-plate 53 of second for first half-plate 52 and the half-plate 53 enclose to close and constitute spoiler 5 in the outside of a plurality of nodal pipes 3, spoiler 5 sets up with the flow direction of refrigerant is perpendicular, make the refrigerant continuous action spoiler 5 of in-process refrigerant that the jar body 1 is inside to flow, spoiler 5 forms regular vibration under the effect of nodal pipe 3 and refrigerant, make the incrustation scale break away from nodal pipe 3, thereby reduce the time that the dirt adsorbs on nodal pipe 3, can the incrustation scale of 3 outer walls of automatic cleaning nodal pipe, improve heat exchange efficiency.

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

Claims

1. A corrugated pipe positive displacement heat exchanger comprises a tank body (1), wherein a hot water outlet (11) is formed in the top wall of the tank body (1), a sewage discharge outlet is formed in the bottom wall of the tank body (1), and the corrugated pipe positive displacement heat exchanger is characterized in that a shell (15) is arranged on the tank body (1), the number of the shells (15) is two, the shells (15) are symmetrically arranged by taking the axis of the tank body (1) as the center, the shells (15) are arranged in a hollow mode, the shells (15) are communicated with the tank body (1), a pipe plate (21) is arranged inside the shells (15), the pipe plate (21) seals the communication position of the shells (15) and the tank body (1), a cavity (151) is formed between the pipe plate (21) and the shells (15), corrugated pipes (3) are arranged between the pipe plates (21), and insertion holes (211) for inserting the corrugated pipes (3) are formed in the pipe plate, two ends of the corrugated pipe (3) are respectively inserted into the insertion holes (211) and communicated with the cavity (151), and a heat medium inlet (152) is formed in the shell (15) close to one side of the water inlet of the corrugated pipe (3); the corrugated pipe (3) comprises a plurality of straight pipe sections (311), an arc-shaped pipe section (312) is arranged between every two adjacent straight pipe sections (311), the inner diameter of the arc-shaped pipe section (312) is larger than that of the straight pipe sections (311), and the inner diameter of the arc-shaped pipe section (312) is gradually increased from two ends of the arc-shaped pipe section (312) to the middle of the arc-shaped pipe section (312).

2. A corrugated tube positive displacement heat exchanger in accordance with claim 1, wherein a partition plate (22) is provided in the housing (15), the partition plate (22) and the tube plate (21) are vertically disposed, the partition plate (22) separates the cavity (151) into an upper chamber (1511) and a lower chamber (1512), the corrugated tube (3) comprises a heat medium inlet tube section (31) and a heat medium outlet tube section (32), the water inlet of the heat medium inlet tube section (31) is communicated with the upper chamber (1511), and the water outlet of the heat medium outlet tube section (32) is communicated with the lower chamber (1512).

3. A corrugated tube positive displacement heat exchanger according to claim 2, characterized in that a bent section (33) is arranged between the heating medium inlet section (31) and the heating medium outlet section (32), the bent section (33) being arranged inside the further cavity (151).

4. A nodal-tube volumetric heat exchanger according to claim 1, characterized in that said nodal tube (3) is plural, said plural nodal tubes (3) being arranged side by side in the radial direction of the tank (1).

5. A corrugated tube positive displacement heat exchanger according to claim 2, wherein the heating medium inlet section (31) and the heating medium outlet section (32) are detachably connected to the tube sheet (21) by means of a connecting assembly (4).

6. A corrugated tube positive displacement heat exchanger according to claim 5, wherein the connection assembly (4) comprises a fixed tube (41) fixed to the tube plate (21), the heat medium inlet pipe section (31) and the heat medium outlet pipe section (32) are rotatably connected to a sleeve (42), the sleeve (42) can be sleeved outside the fixed tube (41), and the sleeve (42) and the fixed tube (41) are in threaded connection.

7. A nodal tube positive displacement heat exchanger according to claim 1, characterized in that a spoiler (5) is arranged outside the nodal tube (3), said spoiler (5) being arranged in radial direction of the nodal tube (3).

8. A nodal tube displacement heat exchanger according to claim 7, wherein there are a plurality of said baffles (5), said plurality of said baffles (5) being equally spaced along the direction of flow of the heating medium, the cross-section of said baffles (5) being disposed perpendicular to the direction of flow of the cooling medium.

9. The corrugated pipe positive displacement heat exchanger according to claim 7, wherein the spoiler (5) comprises a first half plate (52) and a second half plate (53), the first half plate (52) and the second half plate (53) are arranged oppositely, one side of the first half plate (52) facing the second half plate (53) is provided with an insertion block (521), the second half plate (53) is correspondingly provided with an insertion groove (531) for inserting the insertion block (521), and the second half plate (53) is provided with a limiting assembly (6) for limiting the position of the insertion block (521).

10. The corrugated pipe positive displacement heat exchanger of claim 9, wherein the limiting assembly (6) comprises a limiting column (61) and a compression spring (62), the side wall of the insertion groove (531) is provided with a mounting cavity (532), a movable space is reserved between the end of the limiting column (61) and the bottom wall of the mounting cavity (532), the compression spring (62) is arranged in the movable space, when the compression spring (62) is in a natural state, the end of the limiting column (61) is arranged in the insertion groove (531), and the insertion block (521) is correspondingly provided with a limiting hole (5211) for inserting the limiting column (61).