CN216745587U - Detachable elastic wave rotary coil pipe wound heat exchanger - Google Patents

Detachable elastic wave rotary coil pipe wound heat exchanger Download PDF

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Publication number
CN216745587U
CN216745587U CN202220194812.4U CN202220194812U CN216745587U CN 216745587 U CN216745587 U CN 216745587U CN 202220194812 U CN202220194812 U CN 202220194812U CN 216745587 U CN216745587 U CN 216745587U
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China
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tube
flange
shell
shell side
pipe
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CN202220194812.4U
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Chinese (zh)
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潘传洪
向勇
辛祖强
柳建华
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Hubei Xiaoting Technology Co ltd
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Hubei Xiaoting Technology Co ltd
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Abstract

The utility model aims to provide a coiled pipe type heat exchanger with a detachable elastic wave rotary coil, which has the beneficial effects that: when the detachable elastic wave rotary coil pipe-wound heat exchanger is detached for core-pulling maintenance or cleaning, T-shaped bolts for connecting a tube plate I and a tube side inlet pressing ring flange and a tube plate II and a tube side outlet pressing ring flange are detached at the same time, stud bolts for connecting a shell side flange I and a shell side flange II and a shell side flange III and a shell side flange IV are detached at the same time after the T-shaped bolts are detached, and the tube plate I and the tube plate II are exposed after the stud bolts are detached for core-pulling cleaning or maintenance; a plurality of wave rotary structures on an elastic wave rotary coil used by a detachable elastic wave rotary coil winding pipe type heat exchanger are positive wave rotary structures or positive wave rotary structures and negative wave rotary structures or negative wave rotary structures, so that the flowing rule of materials in the elastic wave rotary coil can be broken, and the heat exchange efficiency is improved.

Description

Detachable elastic wave rotary coil pipe wound heat exchanger
Technical Field
The utility model relates to a detachable elastic wave rotary coil pipe-wound heat exchanger, which belongs to the heat transfer process among materials in the fields of petroleum and chemical industry.
Background
The heat exchanger is a dividing wall type heat exchanger in terms of heat transfer principle, and is suitable for occasions with large specific volume difference of inner and outer media of the heat exchange pipe because the heat exchanger has the high pressure resistance of the heat exchanger and the advantages of compact structure and high heat transfer efficiency.
SUMMERY OF THE UTILITY MODEL
At present, the common structure of the winding pipe type heat exchanger is mostly a fixed pipe shell type, and a pipe box and a shell of the winding pipe type heat exchanger can not be detached and separated. When the pipe-wound heat exchanger is blocked or the pipe leaks and the pipe orifice leaks, the pipe shell process can be cleaned and maintained undetachably and only scrapped, so that a great deal of economic loss is caused.
The heat exchange tube used by the prior winding tube type heat exchanger tube bundle is mainly a coil tube with a light tube structure, the time for the coil tube side medium of the light tube structure to rapidly pass through the tube to contact with the shell side medium is short, and the heat exchange efficiency is poor.
In order to overcome the defects of the prior art, the utility model aims to provide a detachable elastic wave spiral pipe wound pipe type heat exchanger which is convenient to detach, clean and maintain while improving the heat exchange efficiency.
In order to achieve the purpose, the elastic wave spiral pipe is produced by combining the prior patent technology of elastic wave spiral pipe with the application number of 201821797542.6 through production conversion; the bottleneck that the elastic wave rotary pipe can only produce a straight pipe and has limited pipe length and cannot be used as a heat exchange pipe of a winding pipe type heat exchanger is broken, the detachable elastic wave rotary coil pipe can be detached and separated from a pipe pass and a shell pass of the winding pipe type heat exchanger to enable the pipe bundle to be cleaned and maintained by loose core, and meanwhile, a pipe pass medium enters the elastic wave rotary coil pipe to change the flowing rule and the medium flowing direction of the pipe pass medium in the elastic wave rotary coil pipe so as to improve the heat exchange efficiency.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a detachable elastic wave spiral coil wound tube heat exchanger comprising: the device comprises a tube side inlet flange, a tube side inlet connecting pipe, a tube side inlet concentric reducer, a T-shaped bolt, a tube side sealing gasket, a tube plate I, a tube side inlet pressing ring flange, a shell side flange I, an elastic wave spiral coil, a shell, a vertical support, a shell side inlet flange, a shell side outlet flange, a shell side inlet connecting pipe, a shell side outlet connecting pipe, a central cylinder, a stud bolt, a shell side flange II, a tube side outlet flange, a tube side outlet connecting pipe, a tube side outlet concentric reducer, a tube plate II, a tube side outlet pressing ring flange, a shell side flange III, a shell side flange IV and a shell side sealing gasket; a tube side inlet connecting pipe is arranged below the tube side inlet flange, a tube side inlet concentric reducer is arranged below the tube side inlet connecting pipe, a tube side inlet pressing ring flange is arranged below the tube side inlet concentric reducer, a tube side inlet pressing ring flange boss is arranged on the tube side inlet pressing ring flange, a tube side first is arranged below the tube side inlet pressing ring flange boss, a tube side first sealing surface groove is formed in the tube side first, a tube side sealing gasket is arranged in the tube side first sealing surface groove, the tube side first is connected with the tube side inlet pressing ring flange through a T-shaped bolt, a shell side first is arranged below the tube side inlet pressing ring flange, a shell side sealing gasket is arranged in the shell side first flange, a shell side flange second is arranged below the shell side flange, and the upper end of the shell side flange second is connected with the shell side first flange through a stud; a shell is arranged below the shell side flange II, a shell side inlet connecting pipe is arranged at the left upper part of the shell, a shell side inlet flange is arranged on the shell side inlet connecting pipe, a vertical support is arranged at the middle part of the shell, a shell side outlet connecting pipe is arranged at the right lower part of the shell, and a shell side outlet flange is arranged on the shell side outlet connecting pipe; a tube side outlet flange is arranged at the lower end of the shell, a tube side outlet connecting pipe is arranged above the tube side outlet flange, a tube side outlet concentric reducer is arranged above the tube side outlet connecting pipe, a tube side outlet pressing ring flange is arranged above the tube side outlet concentric reducer, a tube side outlet pressing ring flange boss is arranged on the tube side outlet pressing ring flange, a tube plate II is arranged above the tube side outlet pressing ring flange, a tube plate II sealing surface groove is arranged on the tube plate II, a tube side sealing gasket is arranged in the tube plate II sealing surface groove, the tube plate II is connected with the tube side outlet pressing ring flange through a T-shaped bolt, a shell side flange III is arranged above the tube side outlet pressing ring flange, a shell side sealing gasket is arranged in the shell side flange III, a shell side flange IV is arranged above the shell side flange III, and the upper end of the shell side flange IV is connected with the shell side flange III through a stud bolt, the four lower ends of the shell side flange are connected with the shell.
The tube plate I is provided with a center tube, one end of the center tube is connected with the tube plate I, the other end of the center tube is connected with the tube plate II, the tube plate I is provided with an elastic wave spiral tube, one end of the elastic wave spiral tube is connected with the tube plate I, and the other end of the elastic wave spiral tube is wound on the center tube and then is connected with the tube plate II.
The utility model has the beneficial effects that: when the detachable elastic wave rotary coil pipe-wound heat exchanger is detached for core-pulling maintenance or cleaning, T-shaped bolts for connecting a tube plate I and a tube side inlet pressing ring flange and a tube plate II and a tube side outlet pressing ring flange are detached at the same time, stud bolts for connecting a shell side flange I and a shell side flange II and a shell side flange III and a shell side flange IV are detached at the same time after the T-shaped bolts are detached, and the tube plate I and the tube plate II are exposed after the stud bolts are detached for core-pulling cleaning or maintenance; a plurality of wave rotary structures on an elastic wave rotary coil used by a detachable elastic wave rotary coil winding pipe type heat exchanger are positive wave rotary structures or positive wave rotary structures and negative wave rotary structures or negative wave rotary structures, so that the flowing rule of materials in the elastic wave rotary coil can be broken, and the heat exchange efficiency is improved.
Drawings
Fig. 1 is a schematic view of a detachable elastic wave spiral coil pipe-wound heat exchanger.
Fig. 2 is a schematic structural view of a tube side inlet pressing ring flange.
FIG. 3 is a cross-sectional view of the tube sheet.
Fig. 4 is a first schematic view of the elastic wave spiral pipe.
Fig. 5 is a partially enlarged view of the elastic wave coiled pipe.
Fig. 6 is a schematic diagram of a second elastic wave spiral pipe structure.
Fig. 7 is a third schematic view of the elastic wave spiral pipe structure.
Fig. 8 is a schematic diagram of the working structure of the elastic wave spiral pipe.
FIG. 9 is a schematic view of a tube-side outlet clamping ring flange structure.
FIG. 10 is a two-section view of the tube sheet.
The figure includes: 1. a tube side inlet flange; 2. a tube side inlet connecting tube; 3. the tube pass inlets are concentric with the reducer; 4. a T-bolt; 5. a tube side sealing gasket; 6. a first tube plate; 6.1, a sealing surface groove of the tube plate; 7. a tube side inlet pressing ring flange; 7.1, pressing ring flange boss at the tube pass inlet; 8. a shell side flange I; 9. an elastic wave spiral pipe; 9.1, a wave-swirl structure; 9.2, a light pipe; 10. a housing; 11. a vertical support; 12. a shell side inlet flange; 12.1, a shell side outlet flange; 13. a shell-side inlet connecting pipe; 13.1, a shell side outlet connecting pipe; 14. A central barrel; 15. a stud bolt; 16. a shell side flange II; 21. a tube side outlet flange; 22. a tube pass outlet connection tube; 23. the tube pass outlet is concentric with the reducer; 26. a second tube plate; 26.1, sealing surface grooves of the tube plate II; 27. a tube side outlet pressing ring flange; 27.1, a tube pass outlet pressing ring flange boss; 28. a shell side flange III; 36. a shell side flange IV; 37. and a shell side sealing gasket.
Detailed Description
The utility model is further described with reference to the accompanying drawings:
as shown in fig. 1, fig. 2, fig. 3, fig. 9, and fig. 10, a detachable elastic wave coiled pipe-wound heat exchanger includes: the device comprises a tube side inlet flange 1, a tube side inlet connecting pipe 2, a tube side inlet concentric reducer 3, a T-shaped bolt 4, a tube side sealing gasket 5, a tube plate I6, a tube side inlet pressing ring flange 7, a shell side flange I8, an elastic wave spiral coil pipe 9, a shell 10, a vertical support 11, a shell side inlet flange 12, a shell side outlet flange 12.1, a shell side inlet connecting pipe 13, a shell side outlet connecting pipe 13.1, a central cylinder 14, a double-headed bolt 15, a shell side flange II 16, a tube side outlet flange 21, a tube side outlet connecting pipe 22, a tube side outlet concentric reducer 23, a tube plate II 26, a tube side outlet pressing ring flange 27, a shell side flange III 28, a shell side flange IV 36 and a shell side sealing gasket 37; a tube side inlet connecting pipe 2 is arranged below the tube side inlet flange 1, a tube side inlet concentric reducer 3 is arranged below the tube side inlet connecting pipe 2, a tube pass inlet pressing ring flange 7 is arranged below the concentric reducer 3 of the tube pass inlet, a tube pass inlet pressing ring flange boss 7.1 is arranged on the tube pass inlet pressing ring flange 7, a first tube plate 6 is arranged below the tube pass inlet pressing ring flange boss 7.1, a first tube plate sealing surface groove 6.1 is arranged on the first tube plate 6, a tube side sealing gasket 5 is arranged in a groove 6.1 of the first sealing surface of the tube plate, the first tube plate 6 is connected with a tube side inlet pressing ring flange 7 through a T-shaped bolt 4, a shell side flange I8 is arranged below the tube side inlet pressing ring flange 7, a shell side sealing gasket 37 is arranged in the shell side flange I8, a shell side flange II 16 is arranged below the shell side flange I8, and the upper end of the shell side flange II 16 is connected with the shell side flange I8 through a stud bolt 15; a shell 10 is arranged below the shell side flange II 16, a shell side inlet connecting pipe 13 is arranged at the left upper part of the shell 10, a shell side inlet flange 12 is arranged on the shell side inlet connecting pipe 13, a vertical support 11 is arranged at the middle part of the shell 10, a shell side outlet connecting pipe 13.1 is arranged at the right lower part of the shell 10, and a shell side outlet flange 12.1 is arranged on the shell side outlet connecting pipe 13.1; a tube side outlet flange 21 is arranged at the lower end of the shell 10, a tube side outlet connecting pipe 22 is arranged above the tube side outlet flange 21, a tube side outlet concentric reducer 23 is arranged above the tube side outlet connecting pipe 22, a tube side outlet pressing ring flange 27 is arranged above the tube side outlet concentric reducer 23, a tube side outlet pressing ring flange boss 27.1 is arranged on the tube side outlet pressing ring flange 27, a tube plate II 26 is arranged above the tube side outlet pressing ring flange boss 27.1, a tube plate II sealing surface groove 26.1 is arranged on the tube plate II 26, a tube side sealing gasket 5 is arranged in the tube plate II sealing surface groove 26.1, the tube plate II 26 is connected with the tube side outlet pressing ring flange 27 through a T-shaped bolt 4, a shell side flange III 28 is arranged above the tube side outlet pressing ring flange 27, a shell side sealing gasket 37 is arranged in the shell side flange III 28, and a shell side flange IV 36 is arranged above the shell side flange III 28, the upper end of the shell side flange IV 36 is connected with the shell side flange III 28 through a stud bolt 15, and the lower end of the shell side flange IV 36 is connected with the shell 10.
A central cylinder 14 is arranged on the tube plate I6, one end of the central cylinder 14 is connected with the tube plate I6, the other end of the central cylinder is connected with the tube plate II 26, an elastic wave rotary coil pipe 9 is arranged on the tube plate I6, one end of the elastic wave rotary coil pipe 9 is connected with the tube plate I6, and the other end of the elastic wave rotary coil pipe is wound on the central cylinder 14 and then is connected with the tube plate II 26; the winding direction of the elastic wave rotary coil pipe 9 can be forward and reverse winding according to design requirements, and the plurality of wave rotary structures 9.1 on the elastic wave rotary coil pipe 9 are either positive wave rotary structures or positive wave rotary structures and negative wave rotary structures or negative wave rotary structures, so that the flowing rule of materials in the elastic wave rotary coil pipe 9 can be broken, and the heat exchange efficiency is too high.
As shown in fig. 4 and 5, the elastic wave spiral pipe 9 has the following structure: the wave-rotating structure 9.1 is arranged on the elastic wave-rotating coil pipe 9, and the wave-rotating structure 9.1 is in a spring-shaped concave structure; the maximum outer diameter of the wave-rotating structure 9.1 is equal to the outer diameter of a light pipe 9.2 on the elastic wave-rotating coil pipe 9, and the outer diameter of the concave vertex of the wave-rotating structure 9.1 is smaller than the inner diameter of the elastic wave-rotating coil pipe 9; one or more wave rotary structures 9.1 are arranged on the elastic wave rotary coil pipe 9, the concave structures on the wave rotary structures 9.1 are smooth arc line structures, the wave rotary structures 9.1 are connected with the light pipes 9.2 of the elastic wave rotary coil pipe 9 through smooth transition structures, so that when stress is generated, the elastic wave rotary coil pipe 9 deforms under the action of the wave rotary structures, and the situation that the stress action causes the burst of the heat exchange pipe can be effectively avoided.
The wave structure 9.1 extends from the outer and inner walls of the elastic wave coil 9 towards the core tube.
As shown in fig. 6, the wave-rotating structure 9.1 provided on the elastic wave-rotating coil pipe 9 is a positive wave-rotating structure or a negative wave-rotating structure, which can break the flow rule of the material in the elastic wave-rotating coil pipe 9 and prevent the occurrence of pitting corrosion.
As shown in fig. 7, the plurality of wave-shaped structures 9.1 provided on the elastic wave-shaped coil pipe 9 are either a normal wave-shaped structure or a reverse wave-shaped structure, which can break the flow rule of the material in the elastic wave-shaped coil pipe 9 and prevent the occurrence of pitting corrosion.
When the elastic wave rotary coil pipe 9 is provided with a plurality of wave rotary structures 9.1, at least two adjacent wave rotary structures 9.1 are arranged at intervals, so that the flowing rule of materials in the elastic wave rotary coil pipe 9 can be broken, and the phenomenon of point corrosion is prevented.
The wave rotation structure 9.1 is a regular internal wave rotation structure and/or an irregular internal wave rotation structure, can be designed according to actual requirements, can break the flowing rule of materials in the elastic wave rotation coil pipe 9, overcomes the phenomenon of pitting corrosion, and prevents the phenomenon of pitting corrosion.
The wave-rotating structure 9.1 is one part of the elastic wave-rotating coil pipe 9, the light pipe 9.2 is the other part of the elastic wave-rotating coil pipe 9, and the elastic wave-rotating coil pipe 9 consists of the wave-rotating structure 9.1 and the light pipe 9.2, wherein the wave-rotating structure 9.1 on the elastic wave-rotating coil pipe 9 can be designed into a size according to working conditions; the length of the wave structure 9.1 is less than or equal to 1/4 of the length of the elastic wave coil 9.
As shown in fig. 4, two wave-shaped structures 9.1 are arranged on the elastic wave-shaped coil pipe 9, and the second wave-shaped structures 9.2 are arranged in the same direction.
As shown in fig. 4 and 5, the wave-rotating structure 9.1 of the elastic wave-rotating coil pipe 9 and the transition between the wave-rotating structure and the light pipe 9.2 of the elastic wave-rotating coil pipe 9 are both arranged to form a smooth arc structure; the wave structure 9.1 extends from the outer and inner walls of the elastic wave coil 9 towards the core tube.
As shown in fig. 6, two wave-shaped structures 9.1 are arranged on the elastic wave-shaped coil pipe 9, and the two wave-shaped structures 9.1 are arranged in opposite directions.
As shown in fig. 7, a plurality of wave structures 9.1 are arranged on the elastic wave spiral pipe 9, and the plurality of wave structures 9.1 are arranged in a forward direction and/or a reverse direction.
Fig. 8 is a schematic view of the working structure of the elastic wave spiral pipe 9, wherein an arrow on a wave structure 9.1 in the elastic wave spiral pipe 9 indicates a wave rotation direction, and also indicates a medium rotation direction of an outer shell of the elastic wave spiral pipe 9; the material flow extending out of the elastic wave-rotating coil pipe 9 rotates in a wave-rotating structure, and the arrow at the upper end of the material indicates the flow direction of the material flow.
When the detachable elastic wave rotary coil pipe-wound heat exchanger is detached for core-pulling maintenance or cleaning, firstly, the T-shaped bolts 4 connecting the tube plate I6 and the tube side inlet pressing ring flange 7, and the tube plate II 26 and the tube side outlet pressing ring flange 27 are detached simultaneously; and after the T-shaped bolts 4 are removed, the stud bolts 15 connecting the shell side flange I8 and the shell side flange II 16, the shell side flange III 28 and the shell side flange IV 36 are simultaneously removed, and the tube plate I6 and the tube plate II 26 are exposed after the stud bolts 15 are removed for core-pulling cleaning or maintenance.

Claims (2)

1. A detachable elastic wave spiral coil wound tube heat exchanger comprising: the device comprises a tube side inlet flange (1), a tube side inlet connecting pipe (2), a tube side inlet concentric reducer (3), a T-shaped bolt (4), a tube side sealing gasket (5), a tube plate I (6), a tube side inlet pressing ring flange (7), a shell side flange I (8), an elastic wave spiral coil pipe (9), a shell (10), a vertical support (11), a shell side inlet flange (12), a shell side outlet flange (12.1), a shell side inlet connecting pipe (13), a shell side outlet connecting pipe (13.1), a central cylinder (14), a stud bolt (15), a shell side flange II (16), a tube side outlet flange (21), a tube side outlet connecting pipe (22), a tube side outlet concentric reducer (23), a tube plate II (26), a tube side outlet pressing ring flange (27), a shell side flange III (28), a shell side flange IV (36) and a shell side sealing gasket (37); the method is characterized in that: a tube side inlet connecting pipe (2) is arranged below the tube side inlet flange (1), a tube side inlet concentric reducer (3) is arranged below the tube side inlet connecting pipe (2), a tube side inlet pressing ring flange (7) is arranged below the tube side inlet concentric reducer (3), a tube side inlet pressing ring flange boss (7.1) is arranged on the tube side inlet pressing ring flange (7), a tube plate I (6) is arranged below the tube side inlet pressing ring flange boss (7.1), a tube plate I sealing surface groove (6.1) is arranged on the tube plate I (6), a tube side sealing gasket (5) is arranged in the tube plate I sealing surface groove (6.1), the tube plate I (6) is connected with the tube side inlet pressing ring flange (7) through a T-shaped bolt (4), a shell side flange I (8) is arranged below the tube side inlet pressing ring flange (7), and a shell side sealing gasket (37) is arranged in the shell side flange I (8), a shell-side flange II (16) is arranged below the shell-side flange I (8), and the upper end of the shell-side flange II (16) is connected with the shell-side flange I (8) through a stud bolt (15); a shell (10) is arranged below the shell side flange II (16), a shell side inlet connecting pipe (13) is arranged at the left upper part of the shell (10), a shell side inlet flange (12) is arranged on the shell side inlet connecting pipe (13), a vertical support (11) is arranged at the middle part of the shell (10), a shell side outlet connecting pipe (13.1) is arranged at the right lower part of the shell (10), and a shell side outlet flange (12.1) is arranged on the shell side outlet connecting pipe (13.1); a tube pass outlet flange (21) is arranged at the lower end of the shell (10), a tube pass outlet connecting pipe (22) is arranged above the tube pass outlet flange (21), a tube pass outlet concentric reducer (23) is arranged above the tube pass outlet connecting pipe (22), a tube pass outlet pressing ring flange (27) is arranged above the tube pass outlet concentric reducer (23), a tube pass outlet pressing ring flange boss (27.1) is arranged on the tube pass outlet pressing ring flange (27), a tube plate II (26) is arranged above the tube pass outlet pressing ring flange boss (27.1), a tube plate II sealing surface groove (26.1) is arranged on the tube plate II (26), a tube pass sealing gasket (5) is arranged in the tube plate II sealing surface groove (26.1), the tube plate II (26) is connected with the tube pass outlet pressing ring flange (27) through a T-shaped bolt (4), a shell pass flange III (28) is arranged above the tube pass outlet pressing ring flange (27), a shell side sealing gasket (37) is arranged in the shell side flange III (28), a shell side flange IV (36) is arranged above the shell side flange III (28), the upper end of the shell side flange IV (36) is connected with the shell side flange III (28) through a stud bolt (15), and the lower end of the shell side flange IV (36) is connected with the shell (10).
2. The detachable elastic wave spiral coil-wound tube heat exchanger of claim 1, characterized in that: the improved corrugated pipe is characterized in that a central cylinder (14) is arranged on the first pipe plate (6), one end of the central cylinder (14) is connected with the first pipe plate (6), the other end of the central cylinder is connected with the second pipe plate (26), an elastic wave rotating coil pipe (9) is arranged on the first pipe plate (6), one end of the elastic wave rotating coil pipe (9) is connected with the first pipe plate (6), and the other end of the elastic wave rotating coil pipe is wound on the central cylinder (14) and then is connected with the second pipe plate (26).
CN202220194812.4U 2022-01-25 2022-01-25 Detachable elastic wave rotary coil pipe wound heat exchanger Active CN216745587U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220194812.4U CN216745587U (en) 2022-01-25 2022-01-25 Detachable elastic wave rotary coil pipe wound heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220194812.4U CN216745587U (en) 2022-01-25 2022-01-25 Detachable elastic wave rotary coil pipe wound heat exchanger

Publications (1)

Publication Number Publication Date
CN216745587U true CN216745587U (en) 2022-06-14

Family

ID=81916568

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220194812.4U Active CN216745587U (en) 2022-01-25 2022-01-25 Detachable elastic wave rotary coil pipe wound heat exchanger

Country Status (1)

Country Link
CN (1) CN216745587U (en)

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