CN112762737A - Forced heat exchange efficient heat exchanger with guide cylinder - Google Patents
Forced heat exchange efficient heat exchanger with guide cylinder Download PDFInfo
- Publication number
- CN112762737A CN112762737A CN202110196109.7A CN202110196109A CN112762737A CN 112762737 A CN112762737 A CN 112762737A CN 202110196109 A CN202110196109 A CN 202110196109A CN 112762737 A CN112762737 A CN 112762737A
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- CN
- China
- Prior art keywords
- tube
- heat exchange
- guide cylinder
- water inlet
- water
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the field of heat exchangers, and provides a forced heat exchange efficient heat exchanger with a guide cylinder. The guide cylinders are respectively sleeved at the water inlet and the water outlet of the shell pass, the water inlet pipe and the water outlet pipe are arranged on the guide cylinders, and the impact on the heat exchange pipe can be avoided under the buffer of the outer wall of the inner cylinder when the water enters the water inlet pipe, so that the heat exchange pipe is prevented from being damaged; through the slope surface at draft tube cooperation inner tube both ends, can fully stop the secondary refrigerant and circulate at the both ends of inner tube, the heat transfer at reinforcing inner tube both ends avoids producing the stagnant water district to and the uneven heat exchange tube tip that causes in stagnant water district heat transfer freezes or freezes, improves the holistic heat exchange efficiency of heat exchanger.
Description
Technical Field
The invention relates to the field of heat exchangers, in particular to a forced heat exchange efficient heat exchanger with a guide cylinder.
Background
The heat exchanger generally consists of a tube side and a shell side, and refrigerant in the tube side exchanges heat with secondary refrigerant in the shell side to achieve the purpose of heat exchange. In the prior art, a water inlet and a water outlet of a shell pass are usually directly arranged on a shell of the shell pass, a secondary refrigerant usually circulates between the water inlet and the water outlet, and water among the water inlet, the water outlet and two end faces of the shell pass usually circulates unsmoothly and even causes a 'dead water zone'. The water in the dead water area is not smooth in circulation, so that the heat exchange is incomplete, and the integral heat exchange effect of the heat exchanger is reduced due to insufficient tube pass heat exchange in the corresponding area. Meanwhile, water at the water inlet usually directly enters the shell pass, so that the heat exchange tubes in the shell pass are easily impacted by water hammer to damage the heat exchange tubes.
Disclosure of Invention
In order to overcome the defects of incomplete heat exchange and water inflow impact on a heat exchange tube at two ends of a shell pass in the prior art, the invention aims to provide a forced heat exchange high-efficiency heat exchanger with a guide cylinder.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a forced heat exchange efficient heat exchanger with a guide cylinder comprises a tube side and a shell side, wherein the tube side comprises an end cover, a tube plate and a U-shaped heat exchange tube, a refrigerant inlet tube and a refrigerant outlet tube are mounted on the end cover, and the end part of the U-shaped heat exchange tube is fixedly mounted on the tube plate and correspondingly communicated with the refrigerant inlet tube and the refrigerant outlet tube of the end cover; the shell side comprises an inner cylinder and baffle plates which are uniformly distributed in the inner cylinder along the water flow direction, two ends of the inner cylinder are respectively connected with a water inlet pipe and a water outlet pipe, two ends of the inner cylinder are respectively sleeved with a water inlet guide cylinder and a water outlet guide cylinder, the water inlet pipe is arranged at the top of the water inlet guide cylinder, and the water outlet pipe is arranged at the top of the water outlet guide cylinder; the water inlet guide cylinder is arranged between the inner cylinder and the tube plate, one end face of the water inlet guide cylinder is fixedly connected with the tube plate, and the other end face of the water inlet guide cylinder is welded and connected with the outer wall of the inner cylinder through an annular sealing plate to form a closed water inlet cavity; the end surface of one side of the water outlet guide cylinder is welded and connected with the outer wall of the inner cylinder through an annular sealing plate, and the other end surface of the water outlet guide cylinder is sealed by a tail end sealing plate to form a closed water outlet cavity.
Furthermore, two end faces of the inner cylinder are inclined opening faces forming an included angle with the vertical face, the water passing channel between the inner cylinder and the tube plate is sequentially narrowed from bottom to top, and the water passing channel between the inner cylinder and the tail end sealing plate is sequentially widened from bottom to top.
Furthermore, the water inlet pipe is located at the position where the water inlet guide cylinder and the inner cylinder coincide, and the water outlet pipe is located at the position where the water outlet guide cylinder and the inner cylinder coincide.
Further, the baffle plates are circular plates with notches at the top or the bottom, and the notches of the adjacent baffle plates are opposite.
Furthermore, the baffle plates are connected in series by a plurality of screw rods, and one end of each screw rod is fixedly arranged on the tube plate.
Furthermore, temperature sensing probes are respectively arranged on the water inlet pipe and the water outlet pipe.
After the technical scheme is adopted, the invention has the beneficial effects that: the guide cylinders are respectively sleeved at the water inlet and the water outlet of the shell pass, the water inlet pipe and the water outlet pipe are arranged on the guide cylinders, and the impact on the heat exchange pipe can be avoided under the buffer of the outer wall of the inner cylinder when the water enters the water inlet pipe, so that the heat exchange pipe is prevented from being damaged; through the slope surface at draft tube cooperation inner tube both ends, can fully stop the secondary refrigerant and circulate at the both ends of inner tube, the heat transfer at reinforcing inner tube both ends avoids producing the stagnant water district to and the uneven heat exchange tube tip that causes in stagnant water district heat transfer freezes or freezes, improves the holistic heat exchange efficiency of heat exchanger.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings:
as shown in figure 1, the forced heat exchange high-efficiency heat exchanger with the guide shell comprises an end cover 1, a tube plate 2, a water inlet guide shell 3, an inner cylinder 4, a U-shaped heat exchange tube 5, a baffle plate 6 and a water outlet guide shell 7.
The end cover 1, the tube plate 2 and the U-shaped heat exchange tube 5 form a tube pass of the heat exchanger, the end cover 1 is installed on one side of the tube plate 2, a refrigerant inlet 8 and a refrigerant outlet 9 are installed on the end cover 1, and two ends of the U-shaped heat exchange tube 5 are installed on the tube plate 2 and are correspondingly communicated with the refrigerant inlet 8 and the refrigerant outlet 9.
The shell pass consists of a water inlet guide cylinder 3, an inner cylinder 4, a baffle plate 6 and a water outlet guide cylinder 7, the water inlet guide cylinder 3 and the water outlet guide cylinder 7 are sleeved at two ends of the inner cylinder 4, the water inlet guide cylinder 3 is arranged between the inner cylinder 4 and a tube plate 2, the left end face of the water inlet guide cylinder 3 is fixedly connected with the tube plate 2, and the other end face of the water inlet guide cylinder 3 is welded and connected with the outer wall of the inner cylinder 4 through an annular sealing plate 10 to form a closed water inlet cavity 11; the left end face of the water outlet guide cylinder 7 is connected with the outer wall of the inner cylinder 4 through an annular seal plate 12 in a welding mode, and the right end face of the water outlet guide cylinder 7 is sealed through a tail end seal plate 13 to form a closed water outlet cavity 14. The top of the water inlet guide cylinder 3 is provided with a water inlet pipe 15, and the top of the water outlet guide cylinder 7 is provided with a water outlet pipe 16; the water inlet pipe 15 and the water outlet pipe 16 are respectively positioned in the superposed area of the water inlet guide cylinder 3 and the water outlet guide cylinder 7 and the inner cylinder 4, so that the impact of water inlet and water outlet on the U-shaped heat exchange pipe 5 is avoided. The temperature sensing probes 17 are respectively arranged on the water inlet pipe 15 and the water outlet pipe 16 and used for testing the water inlet temperature and the water outlet temperature.
The two end faces of the inner cylinder 4 are inclined opening faces forming an included angle with the vertical face, a water passing channel between the left end face of the inner cylinder 4 and the tube plate 2 is sequentially narrowed from bottom to top, and a water passing channel between the right end face of the inner cylinder 4 and the tail end sealing plate 13 is sequentially widened from bottom to top. The baffle plates 6 are circular plates with notches at the tops or the bottoms, the notches of the adjacent baffle plates 6 are opposite, and a broken line channel is formed in the inner barrel 4. The U-shaped heat exchange tube 5 passes through each baffle plate 6, a plurality of screw rods 18 are arranged on the inner end surface of the tube plate 2 in a threaded or welding mode, and each baffle plate 6 is connected on the screw rods 18 in series to form a fixing structure.
Claims (6)
1. A forced heat exchange efficient heat exchanger with a guide cylinder comprises a tube side and a shell side, wherein the tube side comprises an end cover, a tube plate and a U-shaped heat exchange tube, a refrigerant inlet tube and a refrigerant outlet tube are mounted on the end cover, and the end part of the U-shaped heat exchange tube is fixedly mounted on the tube plate and correspondingly communicated with the refrigerant inlet tube and the refrigerant outlet tube of the end cover; the shell side comprises an inner cylinder and baffle plates which are uniformly distributed in the inner cylinder along the water flow direction, and the two ends of the inner cylinder are respectively connected with a water inlet pipe and a water outlet pipe; the water inlet guide cylinder is arranged between the inner cylinder and the tube plate, one end face of the water inlet guide cylinder is fixedly connected with the tube plate, and the other end face of the water inlet guide cylinder is welded and connected with the outer wall of the inner cylinder through an annular sealing plate to form a closed water inlet cavity; the end surface of one side of the water outlet guide cylinder is welded and connected with the outer wall of the inner cylinder through an annular sealing plate, and the other end surface of the water outlet guide cylinder is sealed by a tail end sealing plate to form a closed water outlet cavity.
2. The high-efficiency heat exchanger with the guide cylinder for forced heat exchange of the claim 1 is characterized in that two end faces of the inner cylinder are inclined opening faces forming an included angle with a vertical plane, a water passing channel between the inner cylinder and the tube plate is sequentially narrowed from bottom to top, and the water passing channel between the inner cylinder and the tail end sealing plate is sequentially widened from bottom to top.
3. The forced heat exchange efficient heat exchanger with the guide cylinder is characterized in that the water inlet pipe is located at the position where the water inlet guide cylinder and the inner cylinder coincide, and the water outlet pipe is located at the position where the water outlet guide cylinder and the inner cylinder coincide.
4. The forced heat exchange efficient heat exchanger with the guide cylinder as claimed in claim 1, wherein the baffle plates are circular plates with notches at the top or bottom, and the notches of adjacent baffle plates are opposite.
5. The forced heat exchange efficient heat exchanger with the guide shell according to claim 3, wherein the baffle plates are connected in series by a plurality of screws, and one ends of the screws are fixedly installed on the tube plate.
6. The forced heat exchange efficient heat exchanger with the guide cylinder is characterized in that the temperature sensing probes are respectively mounted on the water inlet pipe and the water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110196109.7A CN112762737A (en) | 2021-02-22 | 2021-02-22 | Forced heat exchange efficient heat exchanger with guide cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110196109.7A CN112762737A (en) | 2021-02-22 | 2021-02-22 | Forced heat exchange efficient heat exchanger with guide cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112762737A true CN112762737A (en) | 2021-05-07 |
Family
ID=75703884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110196109.7A Pending CN112762737A (en) | 2021-02-22 | 2021-02-22 | Forced heat exchange efficient heat exchanger with guide cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112762737A (en) |
-
2021
- 2021-02-22 CN CN202110196109.7A patent/CN112762737A/en active Pending
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