CN210089457U - Anti-freezing heat exchanger - Google Patents
Anti-freezing heat exchanger Download PDFInfo
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- CN210089457U CN210089457U CN201920626069.3U CN201920626069U CN210089457U CN 210089457 U CN210089457 U CN 210089457U CN 201920626069 U CN201920626069 U CN 201920626069U CN 210089457 U CN210089457 U CN 210089457U
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Abstract
The utility model discloses an anti-freezing heat exchanger, which is provided with a tube side and a shell side, wherein a heat exchange medium in the tube side is a refrigerant, and a heat exchange medium in the shell side is water; the shell pass comprises a soft inner container and an EPP outer shell; the flexible inner container is sealed by a sealing plate and is arranged in the EPP shell together with the sealing plate; the tube side comprises a heat exchange tube arranged in the flexible inner container, and the heat exchange tube is communicated to the outside of the EPP shell through a liquid inlet tube and a liquid outlet tube. Support in the outside through setting up the EPP shell in this scheme, set up soft inner bag inside, under the condition of inflation takes place for the medium in the shell side, soft inner bag is by extrusion deformation, and the inner space increase provides the space for the inflation of inside medium, can avoid adopting the shell side of pure rigid material preparation to take place by the condition of spalling when the inflation takes place for inside medium from this.
Description
Technical Field
The utility model relates to an energy-conserving technical field especially relates to a heat exchanger prevents frostbite.
Background
The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the utilization rate of energy.
The heat exchanger shell is a metal shell, water flows through the heat exchange tubes in the heat exchanger, the shell side flows away the refrigerant, the heat exchanger is easy to freeze the heat exchange tubes due to the fact that water in the heat exchange tubes freezes under the low-temperature environment, and therefore the water in the heat exchanger and the refrigerant are mixed and then enter the compressor to damage the compressor, normal operation of a unit is affected, the metal shell is easy to corrode due to long-term use, and leakage occurs.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an aim at: the utility model provides a heat exchanger prevents frostbite, and it can prevent that the heat exchange tube from being frozen and split, avoids water to cause the damage in flowing into the compressor to the compressor.
The embodiment of the utility model provides a another aim at: provided is an anti-freezing heat exchanger, the shell of which has strong corrosion resistance and is not easy to leak.
In order to achieve the purpose, the utility model adopts the following technical proposal:
provides an anti-freezing heat exchanger, which is provided with a tube side and a shell side,
the heat exchange medium in the tube pass is a refrigerant, and the heat exchange medium in the shell pass is water;
the shell pass comprises a soft inner container and an EPP outer shell; the flexible inner container is sealed by a sealing plate and is arranged in the EPP shell together with the sealing plate;
the tube side comprises a heat exchange tube arranged in the flexible inner container, and the heat exchange tube is communicated to the outside of the EPP shell through a liquid inlet tube and a liquid outlet tube.
As a preferable technical solution of the anti-freezing heat exchanger, the EPP housing includes a first partial housing and a second partial housing, and the first partial housing and the second partial housing are fastened to form an accommodating cavity capable of accommodating the flexible inner container and the sealing plate.
As a preferable technical solution of the anti-freezing heat exchanger, the EPP housing is provided with a first pipe hole and a second pipe hole, the liquid inlet pipe passes through the first pipe hole and extends to the outside of the EPP housing, and the liquid outlet pipe passes through the second pipe hole and extends to the outside of the EPP housing.
As an optimal technical scheme of the anti-freezing heat exchanger, the soft inner container is of a cylindrical cup-shaped structure, two ends of the soft inner container along the axis direction are respectively a closed end and an open end, a sealing edge is arranged at the open end along the radial direction of the open end in an outward extending manner, a sealing flange and a sealing plate are respectively arranged at two sides of the sealing edge, and the open end is sealed by matching the sealing flange with the sealing plate.
As a preferred technical scheme of the anti-freezing heat exchanger, the flexible inner container is of a cylindrical tubular structure, two ends of the flexible inner container along the axis direction are both open ends, sealing edges are arranged at the two open ends along the radial outward extension of the open ends, sealing flanges and sealing plates are respectively arranged at two sides of each sealing edge, and the open ends are matched with the sealing plates through the sealing flanges to realize sealing.
As a preferable technical scheme of the anti-freezing heat exchanger, a third pipe hole is formed in the sealing plate corresponding to the first pipe hole, a fourth pipe hole is formed in the sealing plate corresponding to the second pipe hole, the liquid inlet pipe sequentially penetrates through the first pipe hole and the third pipe hole to communicate the heat exchange pipe with the outside of the EPP shell, and the liquid outlet pipe sequentially penetrates through the second pipe hole and the fourth pipe hole to communicate the heat exchange pipe with the outside of the EPP shell.
As a preferred technical scheme of the anti-freezing heat exchanger, a first through hole and a second through hole are formed in the EPP shell, a third through hole is formed in the soft inner container corresponding to the first through hole, and a fourth through hole is formed in the soft inner container corresponding to the second through hole;
and the shell pass is communicated with the outside of the EPP shell through a water inlet pipe which sequentially penetrates through the first through hole and the third through hole and a water outlet pipe which sequentially penetrates through the second through hole and the fourth through hole.
As a preferred technical scheme of the anti-freezing heat exchanger, an inlet and outlet pipe fixing plate is arranged on the inner side of the soft inner container, and the water inlet pipe and the water outlet pipe are connected with the soft inner container and the EPP shell through the inlet and outlet pipe fixing plate.
As a preferable technical solution of the anti-freezing heat exchanger,
fastening sealing rings are respectively arranged between the side wall of the water inlet pipe and the first through hole and between the water outlet pipe and the second through hole;
sealing plugs are respectively arranged between the liquid inlet pipe and the sealing plate and between the liquid outlet pipe and the sealing plate.
As a preferred technical solution of the anti-freezing heat exchanger, the sealing plate, the flange, and the threaded connection member for connecting the flange and the sealing plate are made of hard plastic.
The utility model has the advantages that: support in the outside through setting up the EPP shell in this scheme, set up soft inner bag inside, under the condition of inflation takes place for the medium in the shell side, soft inner bag is by extrusion deformation, and the inner space increase provides the space for the inflation of inside medium, can avoid adopting the shell side of pure rigid material preparation to take place by the condition of spalling when the inflation takes place for inside medium from this.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the embodiment of the utility model provides an internal structure schematic diagram of heat exchanger prevents frostbite.
Fig. 2 is an enlarged view (cross-section) at I in fig. 1.
Fig. 3 is an enlarged view of fig. 1 at II.
Fig. 4 is a schematic structural view of the sealing flange according to the embodiment of the present invention.
Fig. 5 is a schematic diagram of a seal plate structure according to an embodiment of the present invention.
In the figure:
1. a soft inner container; 2. a heat exchange pipe; 3. an EPP housing; 4. a water inlet pipe; 5. a water outlet pipe; 6. sealing the flange; 7. a sealing plate; 8. an inlet and outlet pipe fixing plate; 9. fastening a sealing ring; 10. a sealing plug; 11. a liquid inlet pipe; 12. a liquid outlet pipe; 13. and (7) sealing the edges.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the term "connected" is to be construed broadly and "fixed", e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 5, the embodiment provides an anti-freezing heat exchanger, which has a tube side and a shell side, wherein a heat exchange medium in the tube side is a refrigerant, and a heat exchange medium in the shell side is water; the shell side comprises a soft inner container 1 and an EPP outer shell 3; the soft inner container 1 is sealed by a sealing plate 7 and is arranged in the EPP shell 3 together with the sealing plate 7; the tube side comprises a heat exchange tube 2 arranged in the flexible inner container 1, and the heat exchange tube 2 is communicated to the outside of the EPP shell 3 through a liquid inlet tube 11 and a liquid outlet tube 12.
EPP is a polypropylene plastic foaming material, is a high-crystallization polymer/gas composite material with excellent performance, and becomes the environment-friendly novel compression-resistant buffering heat-insulating material which is the fastest to grow at present due to unique and superior performance.
The EPP has the advantages of light specific gravity, good elasticity, shock resistance, compression resistance, high deformation recovery rate, good absorption performance, oil resistance, acid resistance, alkali resistance, resistance to various chemical solvents, no water absorption, insulation, heat resistance (-40-130 ℃), no toxicity and no odor, can be recycled by 100 percent, has almost no reduction in performance, and is a real environment-friendly foam plastic. EPP articles of various shapes can be molded from the EPP beads in the mold of the molding machine.
Support in the outside through setting up EPP shell 3 in this scheme, set up soft inner bag 1 and hold the medium in inside, under the condition that the medium takes place the inflation in the shell side, soft inner bag 1 is by extrusion deformation, and the material volume reduces, and the inner space increase provides the space for the inflation of inside medium, and the shell side that can avoid adopting pure rigid material to make from this takes place by the condition of spalling when the inflation takes place in inside medium.
Specifically, the flexible inner container 1 has certain elasticity, so that the inner container cannot be burst even if water in the inner container is frozen and expanded, and the flexible inner container 1 can be effectively prevented from deforming due to expansion due to the design of the EPP shell 3;
this 3 materials of EPP shell have better heat preservation effect, effectively prevent heat loss in the heat exchanger, have also reduced the frozen possibility of heat exchanger, and soft inner bag 1 and EP shell have effectively prevented the heat exchanger corruption to the replacement of metal casing simultaneously.
In this embodiment, the flexible inner container 1 is made of plastic. Of course, the material of the flexible inner container 1 is not limited to plastic, and other materials with certain elasticity can be used as the material for manufacturing the flexible inner container 1.
Specifically, in this embodiment, the EPP housing 3 includes a first partial housing and a second partial housing, and the first partial housing and the second partial housing are fastened to form an accommodating cavity capable of accommodating the flexible inner container 1 and the sealing plate 7.
In the scheme, the soft inner container 1 is completely wrapped at the periphery part under the state that the first part of outer shell and the second part of outer shell are buckled, and the hole structure is reserved only at the position where the connecting pipe is necessary to be arranged. Thereby, the matching performance of the soft inner container 1 and the EPP shell 3 can be exerted to the maximum extent.
As a preferable technical solution, in other embodiments, a technical solution of integrally injection molding the EPP housing 3 outside the flexible inner container 1 may also be adopted, that is, the EPP housing 3 is injection molded in a mold after the flexible inner container 1, the sealing plate 7, and the pipe fittings and the sealing members thereon, such as the liquid inlet pipe 11, the liquid outlet pipe 12, the water inlet pipe 4, the water outlet pipe 5, etc., are assembled. The scheme can better ensure the integrity of the EPP shell 3 and improve the structural strength.
In the present embodiment, the EPP housing 3 is provided with a first pipe hole and a second pipe hole, the liquid inlet pipe 11 passes through the first pipe hole and extends to the outside of the EPP housing 3, and the liquid outlet pipe 12 passes through the second pipe hole and extends to the outside of the EPP housing 3.
In this embodiment, the liquid inlet pipe 11 and the liquid outlet pipe 12 are both formed by a coffin integrated with the heat exchange pipe 2, and in other embodiments, different pipes may be connected to the heat exchange pipe 2.
In this embodiment, the soft inner container 1 is a cylindrical cup-shaped structure, two ends along the axial direction thereof are respectively a closed end and an open end, a sealing edge 13 is arranged at the open end along the radial outward extension thereof, a sealing flange 6 and a sealing plate 7 are respectively arranged at two sides of the sealing edge 13, and the open end is sealed by matching the sealing flange 6 with the sealing plate 7.
The sealing flange 6 is a circular ring and is arranged on the lower side of the sealing edge 13, the sealing plate 7 is a circular blind plate and is arranged on the upper side of the sealing edge 13, the sealing plate 7, the sealing flange 6 and the sealing edge 13 are respectively and correspondingly provided with threaded holes, and sealing is realized through threaded connecting pieces which sequentially penetrate through the sealing plate 7, the sealing edge 13 and the sealing flange 6.
It should be noted that the structure of the soft inner container 1 is not limited to the above cylindrical cup shape, but may also be a cylindrical tubular structure, both ends along the axial direction are open ends, sealing edges 13 are provided at both ends along the radial direction, the two ends of the sealing edges 13 are respectively provided with a sealing flange 6 and a sealing plate 7, and the open ends are sealed by the sealing flange 6 and the sealing plate 7 matching with each other.
The sealing plate 7 is provided with a third pipe hole corresponding to the first pipe hole, a fourth pipe hole corresponding to the second pipe hole, the liquid inlet pipe 11 sequentially penetrates through the first pipe hole and the third pipe hole to communicate the heat exchange pipe 2 with the outside of the EPP shell 3, and the liquid outlet pipe 12 sequentially penetrates through the second pipe hole and the fourth pipe hole to communicate the heat exchange pipe 2 with the outside of the EPP shell 3.
A first through hole is formed in the EPP shell 3, a third through hole is formed in the soft inner container 1 corresponding to the first through hole, and a water inlet pipe 4 sequentially penetrating through the first through hole and the third through hole is communicated with the shell pass and the exterior of the EPP shell 3;
similarly, a second through hole is formed in the EPP shell 3, a fourth through hole is formed in the soft inner container 1 corresponding to the second through hole, and a water outlet pipe 5 sequentially penetrating through the second through hole and the fourth through hole and the outer portion of the EPP shell 3.
In order to fix the water inlet pipe 4 and the water outlet pipe 5, in this embodiment, an inlet and outlet pipe fixing plate 8 is disposed on the inner side of the flexible inner container 1, and the water inlet pipe 4 and the water outlet pipe 5 are connected with the flexible inner container 1 and the EPP housing 3 through the inlet and outlet pipe fixing plate 8.
The inlet and outlet pipe fixing plate 8 for fixing the inlet pipe 4 and the outlet pipe 5 in this embodiment is an integrated structure, and two fixing holes are formed in one plate and are used for fixing the inlet pipe 4 and the outlet pipe 5 respectively.
In other embodiments, the inlet/outlet pipe fixing plate 8 for fixing the inlet pipe 4 and the outlet pipe 5 may be a split structure, which is formed by two plates, each of which is provided with a fixing hole, and the two plates are used for fixing the inlet pipe 4 and the outlet pipe 5.
Fastening sealing rings 9 are respectively arranged between the side wall of the water inlet pipe 4 and the first through hole and between the water outlet pipe 5 and the second through hole;
sealing plugs 10 are respectively arranged between the liquid inlet pipe 11 and the sealing plate 7 and between the liquid outlet pipe 12 and the sealing plate 7. The sealing performance of the position for connecting the tube pass or the shell pass with the outside through a pipeline can be ensured by arranging the fastening sealing ring 9 and the sealing plug 10, and the liquid leakage condition is avoided.
The sealing plate 7, the sealing flange 6 and the threaded connection piece for connecting the sealing flange 6 and the sealing plate 7 are all made of hard plastic. So as to realize the soft assembly of the soft inner container 1.
In the working process of the anti-freezing heat exchanger, a refrigerant flows into the heat exchange tube 2 through the liquid inlet tube 11 and then flows out of the liquid outlet tube 12, water flows into the shell side of the heat exchanger through the water inlet tube 4 and flows out of the heat exchanger through the water outlet tube 5, and the refrigerant and the water exchange heat in the heat exchanger; when the ambient temperature is reduced to cause water to freeze, and the volume expands, the ice extrudes the soft inner shell to deform the soft inner shell, the volume occupied by the soft inner shell is reduced, and the vacated space provides ice blocks, so that the acting force applied to the EPP outer shell 3 is relatively reduced, and the shell of the shell pass part is prevented from being frozen and cracked.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship based on that shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. An anti-freezing heat exchanger is provided with a tube side and a shell side and is characterized in that,
the heat exchange medium in the tube pass is a refrigerant, and the heat exchange medium in the shell pass is water;
the shell pass comprises a soft inner container and an EPP outer shell; the flexible inner container is sealed by a sealing plate and is arranged in the EPP shell together with the sealing plate;
the tube side comprises a heat exchange tube arranged in the flexible inner container, and the heat exchange tube is communicated to the outside of the EPP shell through a liquid inlet tube and a liquid outlet tube.
2. The antifreeze heat exchanger of claim 1, wherein the EPP housing comprises a first partial housing and a second partial housing, the first partial housing and the second partial housing being snap-fitted to form a receiving chamber capable of receiving the flexible inner container and the sealing plate.
3. The antifreeze heat exchanger of claim 2, wherein the EPP housing is provided with a first pipe aperture through which the inlet pipe extends to the exterior of the EPP housing and a second pipe aperture through which the outlet pipe extends to the exterior of the EPP housing.
4. The anti-freezing heat exchanger of claim 3, wherein the soft inner container is a cylindrical cup-shaped structure, two ends of the soft inner container along the axial direction are respectively a closed end and an open end, a sealing edge is arranged at the open end along the radial direction of the open end in an outward extending manner, a sealing flange and the sealing plate are respectively arranged at two sides of the sealing edge, and the open end is sealed by the sealing flange and the sealing plate being matched with each other.
5. The anti-freezing heat exchanger according to claim 3, wherein the flexible inner container is a cylindrical tubular structure, both ends of the flexible inner container along the axial direction are open ends, sealing edges are arranged at both ends of the flexible inner container along the radial direction of the flexible inner container, sealing flanges and the sealing plates are respectively arranged at both sides of the sealing edges, and the open ends are sealed by the sealing flanges and the sealing plates in a matching manner.
6. The anti-freezing heat exchanger of claim 4 or 5, wherein a third pipe hole is formed in the sealing plate corresponding to the first pipe hole, a fourth pipe hole is formed in the sealing plate corresponding to the second pipe hole, the liquid inlet pipe sequentially penetrates through the first pipe hole and the third pipe hole to communicate the heat exchange pipe with the outside of the EPP shell, and the liquid outlet pipe sequentially penetrates through the second pipe hole and the fourth pipe hole to communicate the heat exchange pipe with the outside of the EPP shell.
7. The antifreeze heat exchanger of claim 6, wherein the EPP shell is provided with a first through hole and a second through hole, the soft inner container is provided with a third through hole corresponding to the first through hole, and a fourth through hole corresponding to the second through hole;
and the shell pass is communicated with the outside of the EPP shell through a water inlet pipe which sequentially penetrates through the first through hole and the third through hole and a water outlet pipe which sequentially penetrates through the second through hole and the fourth through hole.
8. The anti-freezing heat exchanger as claimed in claim 7, wherein an inlet and outlet pipe fixing plate is arranged at the inner side of the soft inner container, and the inlet pipe and the outlet pipe are connected with the soft inner container and the EPP shell through the inlet and outlet pipe fixing plate.
9. The antifreeze heat exchanger of claim 8,
fastening sealing rings are respectively arranged between the side wall of the water inlet pipe and the first through hole and between the water outlet pipe and the second through hole;
sealing plugs are respectively arranged between the liquid inlet pipe and the sealing plate and between the liquid outlet pipe and the sealing plate.
10. The antifreeze heat exchanger of claim 9 wherein said seal plate, said flange and threaded connections for connecting said flange and seal plate are made of hard plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920626069.3U CN210089457U (en) | 2019-04-30 | 2019-04-30 | Anti-freezing heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920626069.3U CN210089457U (en) | 2019-04-30 | 2019-04-30 | Anti-freezing heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210089457U true CN210089457U (en) | 2020-02-18 |
Family
ID=69476953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920626069.3U Active CN210089457U (en) | 2019-04-30 | 2019-04-30 | Anti-freezing heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210089457U (en) |
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2019
- 2019-04-30 CN CN201920626069.3U patent/CN210089457U/en active Active
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