CN213040679U - Cold-storage constant-temperature heat exchange box - Google Patents
Cold-storage constant-temperature heat exchange box Download PDFInfo
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- CN213040679U CN213040679U CN202021689995.4U CN202021689995U CN213040679U CN 213040679 U CN213040679 U CN 213040679U CN 202021689995 U CN202021689995 U CN 202021689995U CN 213040679 U CN213040679 U CN 213040679U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model relates to a cold-storage constant temperature heat exchange box, including the cold-storage box, install in the cold-storage box and hold and put cold heat exchanger, hold and put cold heat exchanger and arrange in the cold-storage medium of packing in the cold-storage box, it is the tube sheet heat exchanger to hold and put cold heat exchanger, and its structure includes many internal thread copper pipes, the form of arranging of internal thread copper pipe is: the refrigeration evaporation heat exchange tubes and the secondary refrigerant heat exchange tubes are uniformly distributed at intervals, and a plurality of hydrophilic aluminum foil fins which are uniformly arranged are sleeved on the internal thread copper tube along the length direction of the internal thread copper tube. The utility model discloses the big secondary refrigerant of heat transfer area is direct with the heat transfer of cold-storage medium, need not to replace through equipment such as plate heat exchanger, avoids cold volume conversion loss to improve whole cold-storage efficiency. The refrigeration evaporation heat exchange tube and the secondary refrigerant heat exchange tube are respectively connected in parallel through the corresponding water inlet and return header pipes, and the structure is stable.
Description
Technical Field
The utility model belongs to the technical field of the cold-storage air conditioner technique and specifically relates to a cold-storage constant temperature heat exchange box.
Background
The problem that the peak power is tense and the peak power cannot be fully applied causes the peak power shifting demand, "peak shifting and valley filling", balances the power supply, improves the effective utilization of the electric energy, and becomes a problem which is seriously solved by many countries at present. The aggressiveness of using off-peak power is further driven by the adoption of "time-of-use price" policies, as well as certain motivational policies. This makes the off-peak cold accumulation technology attach importance and develop. Among them, the heat and cold storage technologies are widely used in air conditioning systems and are relatively mature technologies, and the cold storage air conditioner is an important part of the air conditioning system, and is more and more paid attention to by people.
The cold accumulation system generally consists of refrigeration, cold accumulation and cold supply systems. The refrigerating and cold-accumulating system is formed by connecting four parts of refrigerating equipment, a cold-accumulating device, auxiliary equipment and control and regulation equipment through pipelines and leads (including control leads, power cables and the like). The cold storage device generally adopts a cold storage tank, a cold storage material is placed in the cold storage tank, a water inlet pipeline and a water return pipeline are arranged in the cold storage tank, a secondary refrigerant is arranged in the water inlet pipeline and the water return pipeline, the secondary refrigerant is usually water or ethylene glycol aqueous solution, when the cold storage device operates under the cold storage working condition, the secondary refrigerant replaces cold energy generated by the refrigeration device through equipment such as a plate heat exchanger, and then the secondary refrigerant removes heat (sensible heat and latent heat) from the cold storage material through circulation of a water pump, so that the cold storage material carries out phase change cold storage. Because of the cold-heat conversion as many as twice, the loss of cold energy conversion exists, and the whole cold accumulation efficiency is low.
SUMMERY OF THE UTILITY MODEL
The applicant provides a cold and constant temperature heat exchange box with a reasonable structure aiming at the defects in the prior art, and the cold energy generated by refrigeration equipment directly exchanges heat with cold storage materials in the box during cold storage; when the cold storage tank is cooled, the water inlet pipe and the water return pipe filled with the secondary refrigerant directly contact with the cold storage material in the tank to exchange heat. The cold energy conversion loss is reduced, and the energy is saved and the consumption is reduced.
The utility model discloses the technical scheme who adopts as follows:
the utility model provides a cold-storage constant temperature heat exchange box, includes the cold-storage box, install in the cold-storage box and hold and put cold heat exchanger, hold and put cold heat exchanger and arrange in the cold-storage medium of packing in the cold-storage box, it is the gilled tube heat exchanger to hold and put cold heat exchanger, and its structure includes many internal thread copper pipes, the form of arranging of internal thread copper pipe is: the refrigeration evaporation heat exchange tubes and the secondary refrigerant heat exchange tubes are uniformly distributed at intervals, and a plurality of hydrophilic aluminum foil fins which are uniformly arranged are sleeved on the internal thread copper tube along the length direction of the internal thread copper tube.
As a further improvement of the above technical solution:
the multiple rows of refrigeration evaporation heat exchange tubes are uniformly arranged along the width direction of the cold accumulation box body, and one row of secondary refrigerant heat exchange tubes is arranged between every two adjacent rows of refrigeration evaporation heat exchange tubes; each row of refrigeration evaporation heat exchange tubes comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the box body, and each row of secondary refrigerant heat exchange tubes comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold storage box body.
The multiple rows of refrigeration evaporation heat exchange tubes are connected in parallel, and the multiple rows of secondary refrigerant heat exchange tubes are connected in parallel.
The system also comprises a main refrigerant water inlet pipe and a main refrigerant water return pipe, wherein the main refrigerant water inlet pipe is connected with the inlet of each row of refrigeration evaporation heat exchange tubes through branch pipes connected in parallel with the main refrigerant water inlet pipe, and the main refrigerant water return pipe is connected with the outlet of each row of refrigeration evaporation heat exchange tubes through branch pipes connected in parallel with the main refrigerant water return pipe.
The secondary refrigerant main water inlet pipe is connected with the inlet of each row of secondary refrigerant heat exchange pipes through a branch pipe connected with the secondary refrigerant main water inlet pipe in parallel, and the secondary refrigerant main water return pipe is connected with the outlet of each row of secondary refrigerant heat exchange pipes through a branch pipe connected with the secondary refrigerant main water return pipe in parallel.
Each row of the refrigeration evaporation heat exchange tubes and the plurality of rows of the secondary refrigerant heat exchange tubes adjacent to the refrigeration evaporation heat exchange tubes are arranged in a staggered manner in the height direction.
The refrigeration evaporation heat exchange tubes and the secondary refrigerant heat exchange tubes are bent tubes at the parts exposed out of the two end surfaces of the box body; the S-shaped reciprocating bending structures are arranged at equal intervals in the height direction.
The cold accumulation box body is formed by bending and welding stainless steel, the periphery and the bottom are all fully welded, the top cover plate can be detached and fixed by fasteners, the cold accumulation box body is provided with a liquid discharge valve and a liquid level meter, and the outer surface of the cold accumulation box body is provided with a heat insulation material.
The heat insulation material is attached to the surface of the cold storage box body through a heat insulation plate.
The utility model has the advantages as follows:
the utility model discloses compact structure, reasonable, refrigeration evaporation heat exchange tube and secondary refrigerant heat exchange tube are crisscross arranges, and heat transfer area is big, and the secondary refrigerant is direct to exchange heat with cold-storage medium, need not through equipment replacement such as plate heat exchanger, avoids cold volume conversion loss, has improved whole cold-storage efficiency greatly. The refrigeration evaporation heat exchange tubes and the secondary refrigerant heat exchange tubes are connected in parallel through corresponding water inlet and return header pipes respectively, and the structure is stable and reliable.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the heat exchanger for storing and releasing cold according to the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a right side view of fig. 2.
Wherein: 1. a thermal insulation board; 2. a cold accumulation box body; 3. a main refrigerant return pipe; 4. a main refrigerant inlet pipe; 5. a secondary refrigerant main water return pipe; 6. a main water inlet pipe of secondary refrigerant; 7. a cold heat exchanger for heat storage and release; 8. a liquid level meter; 71. a refrigeration evaporation heat exchange pipe; 72. a secondary refrigerant heat exchange tube; 73. hydrophilic aluminum foil fin
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-4, the cold-storage constant-temperature heat exchange box of the present embodiment includes a cold-storage box body 2, a cold-storage and heat-release heat exchanger 7 is installed in the cold-storage box body 2, the cold-storage and heat-release heat exchanger 7 is placed in a cold-storage medium filled in the cold-storage box body 2, the cold-storage and heat-release heat exchanger 7 is a tube-fin heat exchanger, the structure of the heat exchanger includes a plurality of internal thread copper tubes, and the arrangement form of the internal thread copper tubes: the refrigeration evaporation heat exchange tubes 71 and the secondary refrigerant heat exchange tubes 72 are uniformly arranged at intervals, and a plurality of hydrophilic aluminum foil fins 73 which are uniformly arranged are sleeved on the internal thread copper tube along the length direction of the internal thread copper tube.
The multiple rows of refrigeration evaporation heat exchange tubes 71 are uniformly arranged along the width direction of the cold accumulation box body 2, and a row of secondary refrigerant heat exchange tubes 72 is arranged between every two adjacent rows of refrigeration evaporation heat exchange tubes 71; each row of the refrigeration evaporation heat exchange tubes 71 comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the refrigerator body, and each row of the secondary refrigerant heat exchange tubes 72 comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold storage refrigerator body 2.
The multiple rows of refrigeration evaporation heat exchange tubes 71 are connected in parallel, and the multiple rows of secondary refrigerant heat exchange tubes 72 are connected in parallel.
The system also comprises a main refrigerant water inlet pipe 4 and a main refrigerant water return pipe 3, wherein the main refrigerant water inlet pipe 4 is connected with the inlet of each row of refrigeration evaporation heat exchange tubes 71 through a branch pipe connected with the main refrigerant water inlet pipe in parallel, and the main refrigerant water return pipe 3 is connected with the outlet of each row of refrigeration evaporation heat exchange tubes 71 through a branch pipe connected with the main refrigerant water return pipe in parallel.
The heat exchanger also comprises a main secondary refrigerant water inlet pipe 6 and a main secondary refrigerant water return pipe 5, wherein the main secondary refrigerant water inlet pipe 6 is connected with the inlet of each row of secondary refrigerant heat exchange tubes 72 through a branch pipe connected in parallel with the main secondary refrigerant water inlet pipe, and the main secondary refrigerant water return pipe 5 is connected with the outlet of each row of secondary refrigerant heat exchange tubes 72 through a branch pipe connected in parallel with the main secondary refrigerant water return pipe.
Each row of the refrigerating and evaporating heat exchange tubes 71 and the plurality of rows of the secondary refrigerant heat exchange tubes 72 adjacent to the refrigerating and evaporating heat exchange tubes are arranged in a staggered manner in the height direction.
The parts of the refrigeration evaporation heat exchange tube 71 and the secondary refrigerant heat exchange tube 72, which are exposed out of the two end surfaces of the box body, are in a bent tube shape; the S-shaped reciprocating bending structures are arranged at equal intervals in the height direction.
The cold accumulation box body 2 is formed by bending and welding stainless steel, the periphery and the bottom are all fully welded, the top cover plate can be detached and fixed by fasteners, a liquid discharge valve and a liquid level meter 8 are arranged on the cold accumulation box body 2, and a heat insulation material is arranged on the outer surface of the cold accumulation box body 2.
The heat insulation material adopts the heat insulation board 1 to be attached to the surface of the cold accumulation box body 2.
The utility model discloses an in the implementation process, when the refrigerant produced unnecessary cold volume, the unnecessary cold volume that the refrigerant carried and secondary refrigerant heat transfer in cold heat exchanger 7 is put in holding, through the secondary refrigerant with unnecessary cold volume through the cold-storage medium storage in holding put cold heat exchanger 7, when needs extra cold volume, the cold volume absorption in the secondary refrigerant will cool-storage medium, the refrigerant exchanges heat with the secondary refrigerant in holding put cold heat exchanger 7 to obtain cold volume.
The refrigeration evaporation heat exchange tubes 71 and the secondary refrigerant heat exchange tubes 72 are arranged in a staggered mode, the heat exchange area is large, the secondary refrigerant directly exchanges heat with the cold storage medium, replacement through equipment such as a plate heat exchanger is not needed, cold energy conversion loss is avoided, and the whole cold storage efficiency is greatly improved.
The refrigeration evaporation heat exchange tubes 71 and the secondary refrigerant heat exchange tubes 72 are connected in parallel through corresponding water inlet and return header pipes respectively, and the structure is stable and reliable. The cold accumulation and discharge heat exchanger 7 is directly immersed in a cold accumulation material (cold accumulation medium), so as to ensure uniform contact with the cold accumulation material during cold accumulation and discharge without cold accumulation and discharge dead angles; the heat insulating material and other accessories are mainly installed on the surface of the cold storage box, the heat insulating material is pasted on the outer side of the cold storage box to isolate the external air and reduce the loss of cold energy, and the other accessories such as a liquid level meter and a liquid discharge valve are used for observing the liquid level of the cold storage material and discharging the cold storage material.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (9)
1. The utility model provides a cold-storage constant temperature heat exchange box which characterized in that: including cold-storage box (2), install in cold-storage box (2) and hold and put cold heat exchanger (7), hold and put cold heat exchanger (7) and arrange in the cold-storage medium of filling in cold-storage box (2), hold and put cold heat exchanger (7) and be the tube sheet formula heat exchanger, its structure includes many internal thread copper pipes, the form of arranging of internal thread copper pipe does: the refrigeration evaporation heat exchange tubes (71) and the secondary refrigerant heat exchange tubes (72) are uniformly distributed at intervals, and a plurality of hydrophilic aluminum foil fins (73) which are uniformly arranged are sleeved on the internal thread copper tube along the length direction of the internal thread copper tube.
2. The cold-storage constant-temperature heat exchange cabinet according to claim 1, characterized in that: the multiple rows of refrigeration evaporation heat exchange tubes (71) are uniformly arranged along the width direction of the cold accumulation box body (2), and a row of secondary refrigerant heat exchange tubes (72) is arranged between every two adjacent rows of refrigeration evaporation heat exchange tubes (71); each row of refrigeration and evaporation heat exchange tubes (71) comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the box body, and each row of secondary refrigerant heat exchange tubes (72) comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold storage box body (2).
3. The cold-storage constant-temperature heat exchange cabinet according to claim 2, characterized in that: the multiple rows of refrigeration and evaporation heat exchange tubes (71) are connected in parallel, and the multiple rows of secondary refrigerant heat exchange tubes (72) are connected in parallel.
4. The cold-storage constant-temperature heat exchange cabinet according to claim 3, characterized in that: the refrigerating system also comprises a main refrigerant water inlet pipe (4) and a main refrigerant water return pipe (3), wherein the main refrigerant water inlet pipe (4) is connected with the inlet of each row of refrigerating and evaporating heat exchange pipes (71) through a branch pipe connected with the main refrigerant water inlet pipe in parallel, and the main refrigerant water return pipe (3) is connected with the outlet of each row of refrigerating and evaporating heat exchange pipes (71) through a branch pipe connected with the main refrigerant water return pipe in parallel.
5. The cold-storage constant-temperature heat exchange cabinet according to claim 3, characterized in that: the heat exchanger also comprises a main secondary refrigerant water inlet pipe (6) and a main secondary refrigerant water return pipe (5), wherein the main secondary refrigerant water inlet pipe (6) is connected with the inlet of each row of secondary refrigerant heat exchange pipes (72) through a branch pipe connected with the main secondary refrigerant water inlet pipe in parallel, and the main secondary refrigerant water return pipe (5) is connected with the outlet of each row of secondary refrigerant heat exchange pipes (72) through a branch pipe connected with the main secondary refrigerant water inlet pipe in parallel.
6. The cold-storage constant-temperature heat exchange cabinet according to claim 3, characterized in that: each row of the refrigerating and evaporating heat exchange tubes (71) and a plurality of rows of the secondary refrigerant heat exchange tubes (72) adjacent to the refrigerating and evaporating heat exchange tubes are arranged in a staggered way in the height direction.
7. The cold-storage constant-temperature heat exchange cabinet according to claim 2, characterized in that: the parts of the refrigeration evaporation heat exchange tube (71) and the secondary refrigerant heat exchange tube (72) exposed out of the two end faces of the box body are in a bent tube shape; the S-shaped bending structures bent in a reciprocating manner are arranged at equal intervals in the height direction.
8. The cold-storage constant-temperature heat exchange cabinet according to claim 1, characterized in that: the cold-storage box body (2) is formed by bending and welding stainless steel, the periphery of the cold-storage box body and the bottom of the cold-storage box body are all fully welded, the top cover plate can be detached and fixed by fasteners, a liquid discharge valve and a liquid level meter (8) are arranged on the cold-storage box body (2), and a heat insulation material is arranged on the outer surface of the cold-storage box body (2).
9. The cold-storage constant-temperature heat exchange cabinet according to claim 8, characterized in that: the heat insulation material is formed by adhering a heat insulation plate (1) to the surface of the cold accumulation box body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021689995.4U CN213040679U (en) | 2020-08-13 | 2020-08-13 | Cold-storage constant-temperature heat exchange box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021689995.4U CN213040679U (en) | 2020-08-13 | 2020-08-13 | Cold-storage constant-temperature heat exchange box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213040679U true CN213040679U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021689995.4U Active CN213040679U (en) | 2020-08-13 | 2020-08-13 | Cold-storage constant-temperature heat exchange box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213040679U (en) |
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2020
- 2020-08-13 CN CN202021689995.4U patent/CN213040679U/en active Active
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