CN220103828U - Sectional type stainless steel heat exchanger structure - Google Patents
Sectional type stainless steel heat exchanger structure Download PDFInfo
- Publication number
- CN220103828U CN220103828U CN202321498878.3U CN202321498878U CN220103828U CN 220103828 U CN220103828 U CN 220103828U CN 202321498878 U CN202321498878 U CN 202321498878U CN 220103828 U CN220103828 U CN 220103828U
- Authority
- CN
- China
- Prior art keywords
- shell
- stainless steel
- heat exchanger
- copper plug
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 35
- 239000010935 stainless steel Substances 0.000 title claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052802 copper Inorganic materials 0.000 claims abstract description 46
- 239000010949 copper Substances 0.000 claims abstract description 46
- 238000003466 welding Methods 0.000 claims abstract description 15
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical group [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 description 8
- 229910000906 Bronze Inorganic materials 0.000 description 4
- 239000010974 bronze Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005219 brazing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a sectional type stainless steel heat exchanger structure, which comprises a shell, wherein a plurality of corrugated pipes are arranged in the shell, end covers are clamped at two ends of the shell, a copper plug is clamped at one end, far away from the shell, of the end cover for welding a client, the shell and the corrugated pipes are changed into stainless steel pipes from industry conventional red copper pipes, and the cost is reduced; the internal supporting parts can be reduced, and the anti-seismic performance is improved; and the copper plug is matched with the client for welding, so that the use is more convenient.
Description
Technical Field
The utility model belongs to the technical field of refrigeration equipment, and particularly relates to a sectional type stainless steel heat exchanger structure.
Background
At present, the existing shell-and-tube heat exchanger in the automobile freezing transportation mainly adopts copper tube materials to process and manufacture high cost, meanwhile, vibration and jolt on the way are carried out in various modes of actual transportation and sea, the copper corrugated tube is vibrated for a long time to be contacted with gaskets at two ends to generate stress concentration, and cracks and fracture risks can occur at the stress concentration position under extreme condition; compared with copper tubes, stainless steel tubes have low cost, high pressure resistance and good shock resistance, so that development of stainless steel heat exchangers is urgently needed. However, the client still adopts traditional flame brazing, and the components and performances of the stainless steel tube and the copper tube are greatly different and cannot be directly welded, so that a heat exchanger matched with the copper tube is urgently needed.
Disclosure of Invention
The present utility model is directed to a sectional type stainless steel heat exchanger structure, which solves the above-mentioned problems of the prior art.
The technical scheme adopted by the utility model is as follows:
the utility model provides a sectional type stainless steel heat exchanger structure, includes the shell, be equipped with a plurality of bellows in the shell, the equal card in shell both ends is equipped with the end cover, the end card that the shell was kept away from to the end cover is equipped with the copper plug for the client welding.
Preferably, one end of the copper plug far away from the shell is provided with a copper plug flaring molten pool, a bronze ring is sleeved at the joint of the outer side of the copper plug and the end cover, one end of the copper plug close to the shell is provided with a guide cone angle, and the outer side of the copper plug is provided with a positioning point matched with the inner side of the end cover.
Preferably, one end of the end cover, which is close to the shell, is provided with a plurality of fixing holes, and two ends of the corrugated pipe are respectively inserted into the corresponding fixing holes of the two end covers.
Preferably, the two ends of the shell are communicated with each other and provided with connecting pipes.
Preferably, the shell, the end cover and the corrugated pipe are all made of stainless steel.
Preferably, the end cap is provided with a step, the outer diameter of which is smaller than the inner diameter of the housing.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
in the utility model, the shell and the corrugated pipe are changed from the industry conventional red copper pipe to the stainless steel pipe, so that the cost is reduced; the internal supporting parts can be reduced, and the anti-seismic performance is improved; and the copper plug is matched with the client for welding, so that the use is more convenient.
Drawings
FIG. 1 is a schematic diagram of a split structure of the present utility model;
FIG. 2 is a longitudinal cross-sectional view of the present utility model;
FIG. 3 is a transverse cross-sectional view of the present utility model;
FIG. 4 is a schematic diagram of a prior art structure of the present utility model;
FIG. 5 is a schematic diagram of a second prior art structure according to the present utility model;
FIG. 6 is a schematic illustration of an end cap connection of the present utility model;
FIG. 7 is a schematic diagram of an end cap structure of the present utility model;
FIG. 8 is an enlarged view of the structure at I of the present utility model;
in the figure: 1. a housing; 11. a bellows; 12. a connecting pipe; 2. an end cap; 21. a fixing hole; 3. a copper plug; 31. positioning points; 32. a bronze ring; 33. copper plug flaring molten pool; 34. guide cone angle.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Examples:
the utility model provides a sectional type stainless steel heat exchanger structure, as shown in fig. 1-8, includes shell 1, is equipped with a plurality of bellows 11 in the shell 1, and shell 1 both ends all block and are equipped with end cover 2, and end cover 2 keeps away from shell 1's one end card and is equipped with copper plug 3 for the client welding.
In one possible embodiment, the copper plug 3 is provided with a copper plug flaring molten pool 33 at the end far away from the shell 1, a bronze ring 32 is sleeved at the joint of the outer side of the copper plug 3 and the end cover 2, a guiding cone angle 34 is arranged at the end of the copper plug 3 close to the shell 1, and a positioning point 31 matched with the inner side of the end cover 2 is arranged at the outer side of the copper plug 3.
Furthermore, a standard copper pipe conventionally used in the industry is selected and manufactured into the copper plug 3, one end of the copper plug 3 is chamfered to form a guide cone angle 34, one end of the copper plug is flared to facilitate fixing welding flux, and meanwhile, the copper plug is used as a welding pool to facilitate welding of clients.
In one possible embodiment, a plurality of fixing holes 21 are formed at one end of the end cover 2 close to the housing 1, and two ends of the plurality of bellows 11 are respectively inserted into the corresponding fixing holes 21 of the two end covers 2.
In one possible embodiment, the two ends of the housing 1 are provided with a connecting pipe 12 in communication.
In one possible embodiment, the housing 1, the end cap 2, and the bellows 11 are all made of stainless steel.
Further, the stainless steel corrugated pipe 11 is manufactured into a multi-strand spiral corrugated pipe by processing an industrial stainless steel circular pipe with the thickness more than 0.4 mm; the end cover 2 is formed by stamping an industrial stainless steel plate into a cylinder body and a plurality of fixing holes 21 for fixing the corrugated pipe 11; the cylinder body utilizes a spinning machine or an oil pressure necking machine to carry out necking on the stainless steel pipe, so that the inner diameter of a mouth part is slightly smaller than the outer diameter of the copper plug 3.
In one possible embodiment, the end cap 2 is provided with a step, the outer diameter of which is smaller than the inner diameter of the housing 1.
The working principle, referring to figures 1-8, is as follows:
(1) the product shell 1 and the inner corrugated pipe 11 are replaced by industrial stainless steel pipes by copper pipes;
(2) determining a product structure, comprising a stainless steel shell 1, a plurality of stainless steel corrugated pipes 11, an end cover 2 (comprising corrugated pipe fixing holes 21), connecting pipes 12 arranged at two ends of the shell 1 and communicated with the inside, and a copper plug 3 arranged at one end of the end cover 2 and used for client welding;
(3) the stainless steel corrugated pipe 11 is manufactured into a multi-strand spiral corrugated pipe by processing an industrial stainless steel circular pipe with the thickness more than 0.4 mm;
(4) the end cover 2 is formed by stamping an industrial stainless steel plate into a cylinder body and a plurality of through holes for fixing the corrugated pipe 11; the end cover 2 is provided with a step, and the outer diameter is slightly smaller than the inner diameter of the shell;
(5) the cylinder body is used for necking the stainless steel tube by a spinning machine or an oil necking machine, so that the inner diameter of a mouth part is slightly smaller than the outer diameter (specific size) of the copper plug;
(6) a standard copper pipe conventionally used in the industry is selected and manufactured into a copper plug 3, one end of the copper plug 3 is chamfered to form a guide cone angle, and the flaring at one end is convenient for fixing solder and is used as a welding pool to facilitate the welding of clients;
(7) bronze solder is selected as solder, and the liquidus line of the bronze solder is higher than the temperature of the conventional flame soldering solder;
(bronze solder liquidus 1030 ℃ C., conventional phosphor copper or Low silver solder liquidus 850 ℃ C.)
(8) The copper plug 3 and bronze solder are assembled on the opening part of the stainless steel pipe, and the end part of the copper plug protrudes 0-5 mm from the end face of the stainless steel; fitting the end cap 2 to the bellows 11 and the housing 1;
(9) and (3) welding and fixing the assembly body by brazing in an anaerobic furnace to form a finished product.
The shell 1 and the corrugated pipe 11 are changed into stainless steel pipes from industry conventional red copper pipes (as shown in figures 4 and 5, the point M is a stress concentration point), so that the cost is reduced; the internal supporting parts can be reduced, and the anti-seismic performance is improved; and the copper plug 3 is matched with the client-side welding device, so that the client-side welding device is more convenient to use.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. A segmented stainless steel heat exchanger structure, characterized by: including shell (1), be equipped with a plurality of bellows (11) in shell (1), shell (1) both ends all block and are equipped with end cover (2), end cover (2) are kept away from the one end card of shell (1) and are equipped with copper plug (3) for the client welding.
2. A segmented stainless steel heat exchanger structure according to claim 1, wherein: one end of the copper plug (3) far away from the shell (1) is provided with a copper plug flaring molten pool (33), a bronze ring (32) is sleeved at the joint of the outer side of the copper plug and the end cover (2), one end of the copper plug (3) close to the shell (1) is provided with a guide cone angle (34), and the outer side of the copper plug (3) is provided with a positioning point (31) matched with the inner side of the end cover (2).
3. A segmented stainless steel heat exchanger structure according to claim 1, wherein: a plurality of fixing holes (21) are formed in one end, close to the shell (1), of the end cover (2), and two ends of the corrugated pipe (11) are respectively inserted into the corresponding fixing holes (21) of the two end covers (2).
4. A segmented stainless steel heat exchanger structure according to claim 1, wherein: the two ends of the shell (1) are communicated with each other and are provided with connecting pipes (12).
5. A segmented stainless steel heat exchanger structure according to claim 1, wherein: the shell (1), the end cover (2) and the corrugated pipe (11) are all made of stainless steel materials.
6. A segmented stainless steel heat exchanger structure according to claim 1, wherein: the end cover (2) is provided with a step, and the outer diameter of the step is smaller than the inner diameter of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321498878.3U CN220103828U (en) | 2023-06-13 | 2023-06-13 | Sectional type stainless steel heat exchanger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321498878.3U CN220103828U (en) | 2023-06-13 | 2023-06-13 | Sectional type stainless steel heat exchanger structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220103828U true CN220103828U (en) | 2023-11-28 |
Family
ID=88848124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321498878.3U Active CN220103828U (en) | 2023-06-13 | 2023-06-13 | Sectional type stainless steel heat exchanger structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220103828U (en) |
-
2023
- 2023-06-13 CN CN202321498878.3U patent/CN220103828U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |