CN210664034U - Shell-and-tube water-water heat exchanger - Google Patents
Shell-and-tube water-water heat exchanger Download PDFInfo
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- CN210664034U CN210664034U CN201921459752.9U CN201921459752U CN210664034U CN 210664034 U CN210664034 U CN 210664034U CN 201921459752 U CN201921459752 U CN 201921459752U CN 210664034 U CN210664034 U CN 210664034U
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- temperature water
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Abstract
The utility model relates to a shell and tube water heat exchanger, belong to a heat exchanger, including the casing, be equipped with heat exchange tube bank and baffle group in the casing, the both ends of casing communicate front water room and back water room through first range baffle and second range baffle respectively, heat exchange tube bank outer wall is equipped with the external screw thread, improve heat exchange area, smooth wall in the pipe, reduce the formation of incrustation scale, high-temperature water flows into the high-temperature water outlet through the heat exchange tube bank under the range baffle effect, carry out the multi-process flow, low-temperature water carries out high-efficient heat transfer through baffling disturbance outside the heat exchange tube bank, increased heat transfer area, have better heat transfer effect under the same volume; meanwhile, the bottom of the shell is provided with a sewage draining outlet, so that the heat exchanger is convenient to overhaul and clean.
Description
Technical Field
The utility model relates to a heat exchanger, in particular to shell-and-tube water heat exchanger.
Background
The water-water heat exchanger is a heat energy exchange device widely used in production and life, and the water-water heat exchanger used for a closed circulating cooling water system is a tube-shell heat exchanger and a plate heat exchanger.
At present, when most of heat exchangers contain a large amount of impurities such as silt, dirt, aquatic plants and the like in cooling water, a filter screen cannot effectively play a role, the impurities are easily blocked, frequent cleaning is caused, the safe operation of a unit is influenced, the size of the heat exchanger is large, and the heat exchange efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's defect, the utility model provides a shell and tube water heat exchanger through set up heat exchange tube bank and baffle group in the casing, and the casing both ends set up first branch stroke baffle and second branch stroke baffle, and high temperature water flows in the high temperature water import through branch stroke baffle and heat exchange tube bank effect, and low temperature water has improved heat exchange efficiency greatly at tube bank outer wall baffling motion.
The technical scheme for realizing the purpose is as follows:
the utility model provides a shell-and-tube water heat exchanger, which is provided with a shell, wherein the shell is provided with a heat exchange cavity, one end of the heat exchange cavity is communicated with a front water chamber, the other end of the heat exchange cavity is communicated with a rear water chamber, a heat exchange tube bundle and a baffle group are arranged in the heat exchange cavity, the baffle group is vertically connected with the shell, and the heat exchange tube bundle is parallelly inserted in the baffle group;
the rear water chamber is communicated with a high-temperature water inlet and a high-temperature water outlet, and two ends of the heat exchange tube bundle are respectively communicated with the high-temperature water inlet and the high-temperature water outlet;
and a low-temperature water inlet and a low-temperature water outlet are respectively arranged on two sides of the top of the shell, and the low-temperature water inlet is close to the rear water chamber.
Furthermore, the outer wall of the heat exchange tube bundle is provided with external threads, so that the flowing mode of fluid is improved, the trimming stress is increased, the heat exchange coefficient is improved, and the inner wall of the heat exchange tube bundle is a smooth wall, so that water scales are not easy to generate.
Furthermore, a first branch partition plate is arranged at the communication position of the front water chamber and the heat exchange cavity, a second branch partition plate is arranged at the communication position of the rear water chamber and the heat exchange cavity, the front water chamber and the rear water chamber are divided into a plurality of parts respectively, and the flow velocity of water in the pipe is increased.
Furthermore, the baffle group comprises a pull rod, an upper baffle plate and a lower baffle plate, the pull rod is parallel to the shell, two ends of the pull rod are respectively and vertically connected with an anti-impact plate, the anti-impact plates are positioned right below the central line of the low-temperature water inlet/low-temperature water outlet to prevent larger water flow velocity from impacting the heat exchange tube bundle, and the upper baffle plate is close to the top of the shell, is vertically connected to the pull rod and supports the heat exchange tube bundle at the top; the lower baffle plate is close to the bottom of the shell, is vertically connected to the pull rod and supports the heat exchange tube bundle at the bottom.
Furthermore, the pull rod sleeve is provided with a moment fixing pipe which is respectively arranged between the upper baffle plate and the lower baffle plate, so that certain distances are kept between different upper baffle plates and different lower baffle plates, and the heat exchange pipe bundle is uniformly supported.
Furthermore, the bottom of the shell is provided with a plurality of sewage outlets for discharging sewage and impurities in the shell.
Furthermore, the sewage draining outlet is positioned right below the low-temperature water inlet and the low-temperature water outlet, so that the garbage can be conveniently inspected and cleaned.
Furthermore, the high-temperature water inlet, the high-temperature water outlet, the low-temperature water inlet and the low-temperature water outlet are respectively provided with a temperature measuring device and a pressure measuring device for monitoring the running condition of the water-water heat exchanger.
Has the advantages that: compared with the prior art, the utility model is different in that, the utility model provides a shell-and-tube water heat exchanger, including the casing, be equipped with heat exchange tube bank and baffle group in the casing, the both ends of casing communicate front water room and back water room through first branch range baffle and second branch range baffle respectively, heat exchange tube bank outer wall is equipped with the external screw thread, improve heat exchange area, be smooth wall in the pipe, reduce the formation of incrustation scale, high temperature water flows into the high temperature water export through heat exchange tube bank under the effect of branch range baffle, carry out the multi-process flow, low temperature water carries out high-efficient heat transfer through the baffle disturbance outside heat exchange tube bank, increased heat transfer area, have better heat transfer effect under the same volume; meanwhile, the bottom of the shell is provided with a sewage draining outlet, so that the heat exchanger is convenient to overhaul and clean.
Drawings
Fig. 1 is a front view of the shell-and-tube water-water heat exchanger of the present invention.
Fig. 2 is a left side view of the middle front water chamber of the present invention.
Fig. 3 is a right side view of the middle and rear water chambers of the present invention.
The heat exchanger comprises a shell 1, a low-temperature water inlet 11, a low-temperature water outlet 12, a sewage discharge outlet 13, a heat exchange cavity 2, a front water chamber 3, a first split-level partition plate 31, a rear water chamber 4, a high-temperature water inlet 41, a high-temperature water outlet 42, a second split-level partition plate 43, a baffle group 5, a pull rod 51, an upper baffle plate 52, a lower baffle plate 53 and an impingement baffle 54.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 3, the utility model provides a shell-and-tube water heat exchanger, which is provided with a shell 1, wherein the shell 1 is provided with a heat exchange cavity 2, one end of the heat exchange cavity 2 is communicated with a front water chamber 3, the other end of the heat exchange cavity is communicated with a rear water chamber 4, a heat exchange tube bundle and a baffle group 5 are arranged in the heat exchange cavity 2, the baffle group 5 is vertically connected with the shell 1, and the heat exchange tube bundle is parallelly inserted in the baffle group 5;
the rear water chamber 4 is communicated with a high-temperature water inlet 41 and a high-temperature water outlet 42, two ends of the heat exchange tube bundle are respectively communicated with the high-temperature water inlet 41 and the high-temperature water outlet 42, high-temperature water flows into the shell 1 through the rear water chamber 4, then flows back to the rear water chamber 4 through the shell 1 again through the front water chamber 3, and flows out from the high-temperature water outlet 42 of the rear water chamber 4 to perform sufficient heat exchange flow;
two sides of the top of the shell 1 are respectively provided with a low-temperature water inlet 11 and a low-temperature water outlet 12, the low-temperature water inlet 11 is close to the rear water chamber 4, and low-temperature water flows in a gap between the heat exchange tube bundle and the shell 1 and flows out from the low-temperature water outlet 12 after flowing through the whole shell 1.
Preferably, the outer wall of heat exchange tube bank is equipped with the external screw thread, improves fluidic flow methods, and increase side cut stress improves heat transfer coefficient, and its inner wall is smooth wall, and the incrustation scale is difficult for producing.
Preferably, a first pass partition plate 31 is arranged at the communication position of the front water chamber 3 and the heat exchange cavity 2, a second pass partition plate 43 is arranged at the communication position of the rear water chamber 4 and the heat exchange cavity 2, the front water chamber 3 and the rear water chamber 4 are divided into a plurality of parts respectively, and the flow velocity of water in the pipe is increased.
Preferably, the baffle group 5 comprises a pull rod 51, an upper baffle plate 52 and a lower baffle plate 53, the pull rod 51 is parallel to the shell 1, two ends of the pull rod 51 are respectively and vertically connected with an impingement plate 54, the impingement plate 54 is positioned right below the central line of the low-temperature water inlet 11/low-temperature water outlet 12 to prevent a larger water flow velocity from impacting the heat exchange tube bundle, the upper baffle plate 52 is close to the top of the shell 1, is vertically connected to the pull rod 51, and supports the heat exchange tube bundle at the top; the lower baffle plate 53 is close to the bottom of the shell 1, is vertically connected to the pull rod 51 and supports the heat exchange tube bundle at the bottom.
Preferably, the pull rod 51 is sleeved with a moment-fixing pipe, and the moment-fixing pipe is positioned between the upper baffle plate 52 and the lower baffle plate 53, so that a certain distance is kept between different upper baffle plates 52 and between different lower baffle plates 53, and the heat exchange pipe bundle is uniformly supported.
Preferably, the bottom of the housing 1 is provided with two sewage outlets 13 for discharging sewage and impurities in the housing 1.
Preferably, the two sewage outlets 13 are respectively positioned right below the low-temperature water inlet 11 and the low-temperature water outlet 12, so that the garbage can be conveniently inspected and cleaned.
Preferably, the high-temperature water inlet 41, the high-temperature water outlet 42, the low-temperature water inlet 11 and the low-temperature water outlet 12 are all provided with a temperature measuring device and a pressure measuring device for monitoring the operation condition of the water-water heat exchanger.
It should be noted that the terms "first and second" in the present invention are used for descriptive purposes only, do not denote any order, are not to be construed as indicating or implying any relative importance, and are to be interpreted as names.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (8)
1. A shell-and-tube water heat exchanger is provided with a shell, wherein the shell is provided with a heat exchange cavity, and is characterized in that one end of the heat exchange cavity is communicated with a front water chamber, the other end of the heat exchange cavity is communicated with a rear water chamber, a heat exchange tube bundle and a baffle group are arranged in the heat exchange cavity, the baffle group is vertically connected with the shell, and the heat exchange tube bundle is parallelly inserted in the baffle group;
the rear water chamber is communicated with a high-temperature water inlet and a high-temperature water outlet, and two ends of the heat exchange tube bundle are respectively communicated with the high-temperature water inlet and the high-temperature water outlet;
and a low-temperature water inlet and a low-temperature water outlet are respectively arranged on two sides of the top of the shell, and the low-temperature water inlet is close to the rear water chamber.
2. A shell and tube water-water heat exchanger as recited in claim 1 wherein:
the outer wall of the heat exchange tube bundle is provided with external threads, and the inner wall of the heat exchange tube bundle is a smooth wall.
3. A shell and tube water-water heat exchanger as recited in claim 1 wherein:
and a first partition board is arranged at the communication position of the front water chamber and the heat exchange cavity, and a second partition board is arranged at the communication position of the rear water chamber and the heat exchange cavity.
4. A shell and tube water-water heat exchanger as recited in claim 1 wherein:
the baffle group comprises a pull rod, an upper baffle plate and a lower baffle plate, the pull rod is parallel to the shell, two ends of the pull rod are respectively and vertically connected with an anti-impact plate, the anti-impact plates are positioned right below the central line of the low-temperature water inlet/outlet, and the upper baffle plate is close to the top of the shell and is vertically connected with the pull rod; the lower baffle plate is close to the bottom of the shell and is vertically connected to the pull rod.
5. A shell and tube water-water heat exchanger as recited in claim 4 wherein:
the pull rod sleeve is provided with a moment fixing pipe, and the moment fixing pipe is respectively positioned between the upper baffle plates and between the lower baffle plates.
6. A shell and tube water-water heat exchanger as recited in claim 1 wherein:
the bottom of the shell is provided with a plurality of sewage outlets.
7. A shell and tube water-water heat exchanger as recited in claim 6 wherein:
the sewage draining outlet is positioned right below the low-temperature water inlet and the low-temperature water outlet.
8. A shell and tube water-water heat exchanger as recited in claim 1 wherein:
and the high-temperature water inlet, the high-temperature water outlet, the low-temperature water inlet and the low-temperature water outlet are respectively provided with a temperature measuring device and a pressure measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921459752.9U CN210664034U (en) | 2019-09-04 | 2019-09-04 | Shell-and-tube water-water heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921459752.9U CN210664034U (en) | 2019-09-04 | 2019-09-04 | Shell-and-tube water-water heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210664034U true CN210664034U (en) | 2020-06-02 |
Family
ID=70812352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921459752.9U Active CN210664034U (en) | 2019-09-04 | 2019-09-04 | Shell-and-tube water-water heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210664034U (en) |
-
2019
- 2019-09-04 CN CN201921459752.9U patent/CN210664034U/en active Active
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