CN210180225U - Shell and tube heat exchanger - Google Patents
Shell and tube heat exchanger Download PDFInfo
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- CN210180225U CN210180225U CN201920594828.2U CN201920594828U CN210180225U CN 210180225 U CN210180225 U CN 210180225U CN 201920594828 U CN201920594828 U CN 201920594828U CN 210180225 U CN210180225 U CN 210180225U
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Abstract
The utility model discloses a shell-and-tube heat exchanger, which comprises flanges, connecting flanges, a buffer bin, a refrigerant output port, a refrigerant input port, a connecting rod, a supporting frame, a heat exchange barrel body, a U-shaped tube, a sealing flange, a water outlet tube and a water inlet tube, wherein the left end and the right end of the heat exchange barrel body are respectively welded with the connecting flange and the connecting flange II, the left end of the top of the heat exchange barrel body is connected with the right-angle water outlet tube, the right end of the top is connected with the right-angle water inlet tube, the inner cavities of the water inlet tube and the water outlet tube are communicated with the inner cavity of the heat exchange barrel body, the opening of the right end of the inner cavity of the heat exchange barrel body is sealed by the sealing flange outside the connecting flange II, the semicircular bending parts of the tails of a plurality of the arranged U-shaped tubes face the right end of the heat exchange barrel body, the opening end of the left end, simple structure, low failure rate and direct heat exchange and cooling effects.
Description
Technical Field
The utility model belongs to the technical field of a heat exchange device class technique and specifically relates to a shell and tube heat exchanger.
Background
Can produce the heat during the refrigerating plant operation of industrial use, especially the compressor continues to operate and can last the temperature rise, can directly produce compressor refrigeration efficiency decline, possibly make the compressor break down even, influence the production operation greatly, the work heat of compressor is taken away with the circulation in-process to the cryogenic refrigerant flow of compressor refrigerated conventional mode main adoption, however, the refrigerant after being heated the temperature rise also need be cooled down and be convenient for follow-up continuous circulation flow and give the compressor heat transfer cooling, for this, need a simple structure, the direct heat exchanger that can the heat of waiting of heat transfer mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a shell-and-tube heat exchanger which comprises flanges, connecting flanges, a buffer bin, a refrigerant output port, a refrigerant input port, a connecting rod, a supporting frame, a heat exchange barrel, a U-shaped tube, a sealing flange, a water outlet pipe and a water inlet pipe, wherein the left end and the right end of the heat exchange barrel are respectively welded with the connecting flange and the connecting flange II, the left end of the top of the heat exchange barrel is connected with the right end of the heat exchange barrel and is connected with the right end of the top, the inner cavities of the water inlet pipe and the water outlet pipe are communicated with the inner cavity of the heat exchange barrel, the sealing flange is arranged outside the connecting flange II to seal the opening at the right end of the inner cavity of the heat exchange barrel, the semicircular bending parts at the tail parts of the plurality of arranged U-shaped tubes face the, the utility model discloses a heat transfer cooling after the high refrigerant large tracts of land of temperature extensively covers the absorption heat with water-cooled mode, simple structure, the fault rate is low, and heat transfer cooling effect is direct.
In order to achieve the above purpose, the technical scheme of the utility model is that: a shell and tube heat exchanger comprises a connecting screw, a flange, a connecting flange, a buffer bin, a refrigerant output port, a first connecting sleeve, a refrigerant input port, a second connecting sleeve, a connecting rod, a water drain valve, a footing, a supporting frame, a nut, a heat exchange barrel, a U-shaped tube, a second connecting flange, a closed flange, a water outlet tube and a water inlet tube, wherein the left end and the right end of the heat exchange barrel are respectively welded with the second connecting flange, the left end of the top of the heat exchange barrel is connected with the right-angled water outlet tube, the water outlet tube extends upwards and then turns and extends towards the right-angled water inlet tube, the inner cavities of the water inlet tube and the water outlet tube are communicated with the inner cavity of the heat exchange barrel, the second connecting flange is externally provided with a closed flange for closing the opening at the right end of the inner cavity of the heat exchange barrel, and the semicircular bent positions, the opening end of the left end of the U-shaped pipe is fixed with the connecting flange, the input ports fixed with the connecting flange are arranged from bottom to top, the output ports fixed with the connecting flange are arranged from top to bottom, the flange is externally provided with an installation flange at the left end of the connecting flange and is fixed by the connecting screw, the flange and the end face part of the connecting flange form a buffer bin, the upper end of the central position of the flange is provided with a first connecting sleeve, the first connecting sleeve is externally connected with a refrigerant output port, the lower end of the central position of the flange is provided with a second connecting sleeve.
Further, the U-shaped pipe is provided with a plurality of support frames for position fixing, the support frames are connected with the cylinder wall of the heat exchange cylinder, a connecting rod 9 is arranged between the support frames 12 for position fixing, and two ends of the connecting rod 9 are locked by nuts 13.
Further, a plurality of bottom feet are arranged at the bottom of the heat exchange cylinder.
And a water drain valve is arranged at the bottom of the heat exchange cylinder and communicated with the inner cavity of the heat exchange cylinder.
The utility model has the advantages that: the utility model discloses a heat transfer cooling after the high refrigerant large tracts of land of temperature extensively covers the absorption heat with water-cooled mode, simple structure, the fault rate is low, and heat transfer cooling effect is direct.
Drawings
Fig. 1 is a schematic view of the present invention.
In the figure: the device comprises a connecting screw 1, a flange 2, a connecting flange 3, a buffer bin 4, a refrigerant outlet 5, a first connecting sleeve 6, a refrigerant inlet 7, a second connecting sleeve 8, a connecting rod 9, a water drain valve 10, a bottom foot 11, a supporting frame 12, a nut 13, a heat exchange cylinder 14, a U-shaped pipe 15, a second connecting flange 16, a sealing flange 17, a water outlet pipe 18 and a water inlet pipe 19.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in fig. 1, a shell and tube heat exchanger comprises a connecting screw 1, a flange 2, a connecting flange 3, a buffer bin 4, a refrigerant outlet 5, a first connecting sleeve 6, a refrigerant inlet 7, a second connecting sleeve 8, a connecting rod 9, a water drain valve 10, a footing 11, a support frame 12, a nut 13, a heat exchange cylinder 14, a U-shaped pipe 15, a second connecting flange 16, a sealing flange 17, a water outlet pipe 18 and a water inlet pipe 19, wherein the left end and the right end of the heat exchange cylinder 14 are respectively welded with the connecting flange 3 and the second connecting flange 16, the left end of the top of the heat exchange cylinder 14 is connected with the right-angled water outlet pipe 18, the water outlet pipe 18 extends upwards and then turns and extends towards a right angle, the right end of the top of the heat exchange cylinder 14 is connected with the right-angled water inlet pipe 19, the water inlet pipe 19 extends, the opening at the right end of the inner cavity of the heat exchange cylinder body 14 is sealed by a sealing flange 17 arranged outside a second connecting flange 16, the semicircular bending parts at the tail parts of a plurality of arranged U-shaped pipes 15 face the right end of the heat exchange cylinder body 14, the opening end at the left end of the U-shaped pipe 15 is fixed with the connecting flange 3, the input ports fixed with the connecting flange 3 are arranged from bottom to top, the output ports fixed with the connecting flange 3 are arranged from top to bottom, an outer mounting flange 2 at the left end of the connecting flange 3 is fixed by a connecting screw 1, the flange 2 and the end surface part of the connecting flange 3 form a buffer bin 4, the upper end of the central position of the flange 2 is provided with a first connecting sleeve 6, the first connecting sleeve 6 is externally connected with a refrigerant output port 5, the lower end of the central position of the flange 2 is provided with a second connecting sleeve 8, the second connecting sleeve, the failure rate is low, and the heat exchange and temperature reduction effects are direct.
The U-shaped pipe 15 is provided with a plurality of supporting frames 12 for position fixing, the supporting frames 12 are connected with the cylinder wall of the heat exchange cylinder 14, the connecting rods 9 are arranged between the supporting frames 12 for position fixing, two ends of each connecting rod 9 are locked by nuts 13, and the heat exchange assembly formed by the U-shaped pipes 15 is integrally fixed.
And a plurality of bottom feet 11 are arranged at the bottom of the heat exchange cylinder 14, so that the heat exchange cylinder is beneficial to being placed flatly.
The bottom of the heat exchange cylinder 14 is provided with a water drain valve 10, the water drain valve 10 is communicated with the inner cavity of the heat exchange cylinder 14, and the water drain valve is convenient to unscrew after long-term use to discharge dirt accumulated in the inner cavity of the heat exchange cylinder 14.
Example of the implementation
During heat exchange, the refrigerant with pressure in the running direction enters the surrounding U-shaped tubes 15 from the refrigerant inlet 7 and then is output from the refrigerant outlet 5, the refrigerant with higher heat absorption temperature and flowing out of the refrigeration equipment enters the next row of channels of the U-shaped bent groups of U-shaped tubes 15 from the refrigerant inlet 7 at the lower end, flows through the bent circular arc at the bottom to enter the row of channels on the U-shaped tubes 15 and is output from the refrigerant outlet 5 at the upper end, in the flowing process of the refrigerant, cooling water with water pressure enters the inner cavity from the right end of the heat exchange cylinder 14 from the water inlet pipe 19 and flows into the inner cavity, fills the inner cavity of the heat exchange cylinder 14, continuously flows to the left end of the inner cavity of the heat exchange cylinder 14 under the action of the water pressure and wraps the U-shaped tubes 15 in the inner cavity of the heat exchange cylinder 14, and performs heat transfer and exchange with the refrigerant with higher temperature in, the cooling water continuously enters the inner cavity of the heat exchange cylinder 14 and is sent out from a water outlet pipe 18 connected to the left end of the heat exchange cylinder 14 under the pressure of the cooling water, at the moment, the cooling water in the water outlet pipe 18 and a refrigerant in the U-shaped pipe 15 are subjected to heat exchange in the inner cavity of the heat exchange cylinder 14, the temperature of the refrigerant in the U-shaped pipe 15 is increased, the temperature of the refrigerant in the U-shaped pipe 15 is reduced and cooled, and the cooling water with the increased temperature is cooled after heat is released from the outside and; the heat of the refrigerant is absorbed by cooling water in the process to exchange heat, the temperature of the refrigerant is reduced and cooled, and the refrigerant is sent to a node of refrigeration equipment to cool components such as a compressor and the like.
The refrigerant that needs the heat exchange cooling is imported from refrigerant input port 7 of heat transfer barrel 14 left side lower extreme, flows through behind U-shaped pipe 15 and exports from refrigerant delivery outlet 5 of upper end, because the refrigerant density that the temperature is high is little for the refrigerant that the temperature is low, more upward flow, also can carry out the heat exchange more, the refrigerant flows and the in-process of synchronous heat exchange in U-shaped pipe 15, the phenomenon that the refrigerant of gradual cooling can sink, also carries out the heat exchange cooling with the high-temperature refrigerant with U-shaped pipe 15 simultaneously, further produces the heat exchange efficiency.
The cooling water enters the inner cavity from the water inlet pipe 19 at the right end of the heat exchange cylinder 14, the inner cavity of the heat exchange cylinder 14 is filled from bottom to top, the cooling water entering the pipeline at the lower end of the U-shaped pipe 15 can be cooled by heat exchange from bottom to top, the cooling water with the increased temperature after heat exchange has lower density than the cooling water with the lower temperature after heat exchange, the cooling water with the increased temperature after heat exchange overflows upwards and is discharged from the water outlet pipe 18 at the left end of the heat exchange cylinder 14, and the whole process of heat exchange with the cooling medium in the U-shaped pipe 15 in the flow of the cooling water is completed.
The structure has direct heat exchange mode, and as is well known, the heat exchange mode of liquid conduction and convection generated by temperature difference is the most preferred heat exchange mode, so that the heat exchange effect is good.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. Shell and tube heat exchanger, its characterized in that: comprises a connecting screw (1), a flange (2), a connecting flange (3), a buffer bin (4), a refrigerant outlet (5), a first connecting sleeve (6), a refrigerant inlet (7), a second connecting sleeve (8), a connecting rod (9), a water drain valve (10), a footing (11), a support frame (12), a nut (13), a heat exchange cylinder (14), a U-shaped pipe (15), a second connecting flange (16), a sealing flange (17), a water outlet pipe (18) and a water inlet pipe (19), wherein the left end and the right end of the heat exchange cylinder (14) are respectively welded with the connecting flange (3) and the second connecting flange (16), the left end of the top of the heat exchange cylinder (14) is connected with the right-angle water outlet pipe (18), the water outlet pipe (18) extends upwards and then turns to the right angle and extends, the right end of the top of the heat exchange cylinder (14) is connected with the right-angle water inlet pipe, the inner cavities of a water inlet pipe (19) and a water outlet pipe (18) are communicated with the inner cavity of a heat exchange cylinder body (14), a closed flange (17) is arranged outside a second connecting flange (16) to close the opening at the right end of the inner cavity of the heat exchange cylinder body (14), the semicircular bent parts at the tail parts of a plurality of arranged U-shaped pipes (15) face the right end of the heat exchange cylinder body (14), the open end at the left end of each U-shaped pipe (15) is fixed with the connecting flange (3), the input ports fixed with the connecting flange (3) are arranged from bottom to top, the output ports fixed with the connecting flange (3) are arranged from top to bottom, the outer mounting flange (2) at the left end of the connecting flange (3) is fixed with a connecting screw (1), the end face part of the flange (2) and the connecting flange (3) forms a buffer bin (4), the upper end at the central position of the flange (2) is provided with a first connecting sleeve (6), the first connecting, the second connecting sleeve (8) is externally connected with a refrigerant inlet (7).
2. The shell and tube heat exchanger as set forth in claim 1 wherein: the U-shaped pipe (15) is provided with a plurality of support frames (12) for position fixing, the support frames (12) are connected with the wall of the heat exchange cylinder (14), a connecting rod (9) is arranged between the support frames (12) for position fixing, and two ends of the connecting rod (9) are locked by nuts (13).
3. The shell and tube heat exchanger as set forth in claim 1 wherein: the bottom of the heat exchange cylinder (14) is provided with a plurality of bottom feet (11).
4. The shell and tube heat exchanger as set forth in claim 1), wherein: the bottom of the heat exchange cylinder (14) is provided with a water drain valve (10), and the water drain valve (10) is communicated with the inner cavity of the heat exchange cylinder (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920594828.2U CN210180225U (en) | 2019-04-28 | 2019-04-28 | Shell and tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920594828.2U CN210180225U (en) | 2019-04-28 | 2019-04-28 | Shell and tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210180225U true CN210180225U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920594828.2U Active CN210180225U (en) | 2019-04-28 | 2019-04-28 | Shell and tube heat exchanger |
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| CN (1) | CN210180225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974479A (en) * | 2019-04-28 | 2019-07-05 | 浙江康利德科技有限公司 | Case tube heat exchanger |
-
2019
- 2019-04-28 CN CN201920594828.2U patent/CN210180225U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974479A (en) * | 2019-04-28 | 2019-07-05 | 浙江康利德科技有限公司 | Case tube heat exchanger |
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Address after: 312500 Chengdong new district, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: Zhejiang KANGLIDE Technology Co.,Ltd. Address before: 312500 Chengdong new district, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG KANGLIDE TECHNOLOGY Co.,Ltd. |
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