CN212566396U - Cold-storage refrigerating station refrigerating system - Google Patents
Cold-storage refrigerating station refrigerating system Download PDFInfo
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- CN212566396U CN212566396U CN202020906464.XU CN202020906464U CN212566396U CN 212566396 U CN212566396 U CN 212566396U CN 202020906464 U CN202020906464 U CN 202020906464U CN 212566396 U CN212566396 U CN 212566396U
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Abstract
The utility model provides a cold accumulation refrigerating station refrigerating system, including cold accumulation solution tank, be equipped with the partition wall in the middle of the cold accumulation solution tank and divide into-15 ℃ ethylene glycol cold accumulation solution tank and-10 ℃ ethylene glycol cold accumulation solution tank two independent spaces with the cold accumulation solution tank, the ethylene glycol cold accumulation solution tank of-10 ℃ communicates with internal circulation pump package and refrigerating unit in proper order through ethylene glycol liquid return pipe, the refrigerating unit through ethylene glycol feed pipe with the ethylene glycol cold accumulation solution tank of-15 ℃ is linked together; the-15 ℃ ethylene glycol cold storage solution tank is also communicated with an external circulation pump set through an ethylene glycol liquid supply pipe, the external circulation pump is communicated with a workshop through a workshop ethylene glycol liquid supply pipe, and the workshop is communicated with the-10 ℃ ethylene glycol cold storage solution tank through a workshop ethylene glycol liquid return pipe. The utility model has the advantages and positive effects that: does not need a huge cooling water system, and has the advantages of economy, energy conservation and the like.
Description
Technical Field
The utility model relates to a refrigerating system is used in the workshop, especially relates to a cold-storage refrigerating station refrigerating system.
Background
In the past, the design flow of the freezing station generally adopts that glycol solution with the temperature of minus 10 ℃ returns to a glycol solution storage tank through an outer pipe gallery, then the glycol solution comes out of the storage tank and is supplied to a refrigerating unit through a circulating pump to prepare glycol solution with the temperature of minus 15 ℃, and the glycol solution is sent to a cooling workshop for the process through the outer pipe gallery. The refrigerating unit is generally a water-cooled refrigerating unit.
The above technique has the following problems: firstly, a water cooling unit is selected as a refrigerating unit, a circulating water system is added in a freezing station, the occupied area of the freezing station is increased, the capacity of circulating water station equipment in a plant area is increased, so that the investment is increased, and the operating cost is also increased; secondly, during the non-intermittent production period of the cooling plant, the refrigerating unit is required to be in a working state all the time, the electric load of the refrigeration station is large, the power configuration of the plant area is increased, the investment is increased, and the operating cost is also increased. In addition, the scheme cannot perfectly meet the refrigeration requirements of regions with the characteristics of drought, water shortage, low humidity and temperature and the like, so that the investment amount is increased, and the environment protection and energy conservation are not enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-efficient energy-conserving cold-storage refrigerating station refrigerating system who is fit for special climatic environment to the problem that prior art exists.
The technical scheme of the utility model is that: a cold accumulation refrigerating station refrigerating system comprises a cold accumulation solution tank, wherein a partition wall is arranged in the middle of the cold accumulation solution tank to divide the cold accumulation solution tank into a-15 ℃ ethylene glycol cold accumulation solution tank and a-10 ℃ ethylene glycol cold accumulation solution tank which are two independent spaces, the-10 ℃ ethylene glycol cold accumulation solution tank is sequentially communicated with an internal circulation pump set and a refrigerating unit through an ethylene glycol liquid return pipe, and the refrigerating unit is communicated with the-15 ℃ ethylene glycol cold accumulation solution tank through an ethylene glycol liquid supply pipe;
the ethylene glycol cold storage solution tank at the temperature of-15 ℃ is also communicated with an external circulating pump set through an ethylene glycol liquid supply pipe, the external circulating pump is communicated with a workshop through an ethylene glycol liquid supply pipe of the workshop, and the workshop is communicated with the ethylene glycol cold storage solution tank at the temperature of-10 ℃ through an ethylene glycol liquid return pipe of the workshop;
the-15 ℃ ethylene glycol cold storage solution tank and the-10 ℃ ethylene glycol cold storage solution tank are respectively provided with an air discharging pipe.
Preferably, the cold accumulation solution tank is a square tank, the volume of the cold accumulation solution tank is 1.5-2 times of the volume of a conventional ethylene glycol solution storage tank, and the cold accumulation solution tank is 1/2-2/3 in volume and is arranged underground.
Preferably, the bottom of the cold accumulation solution pool is provided with perlite and sand.
Preferably, the refrigeration unit is an evaporative cooling refrigeration unit.
Preferably, the partition wall is a heat insulation wall, and the volumes of the-15 ℃ glycol cold storage solution pool and the-10 ℃ glycol cold storage solution pool are the same.
The utility model has the advantages and positive effects that:
(1) the utility model discloses a cold-storage refrigerating station refrigerating system distinguishes inner loop system and outer circulation system, changes the ethylene glycol solution storage tank that cold-storage solution pond replaced design chooseed for use in the past simultaneously, and its inner and outer circulation system can combine the advantage of the peak valley price of project construction area, and the circulation starts, can reduce the operation charges of electricity in factory by a wide margin, optimizes the electric power configuration in whole factory; the inner circulation system and the outer circulation system are not interfered with each other, the inner circulation system overcomes the pressure loss of the refrigerating unit and the indoor pipeline, the outer circulation system overcomes the pressure loss of the outer pipe gallery and the process cooling equipment, and the requirement of cooling capacity of a cooling workshop is met;
(2) the evaporation cooling type refrigerating unit is used for replacing the water cooling type refrigerating unit which is designed and selected in the past, a huge cooling water system is not needed, and the advantages of economy, energy conservation and the like are achieved.
Drawings
FIG. 1 is a schematic diagram of the refrigerating system of the cold accumulation refrigerating station of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention.
In the figure, a glycol cold accumulation solution pool at 1 ℃ and 15 ℃; 2. a glycol cold accumulation solution pool at the temperature of minus 10 ℃; 3. discharging the air pipe; 4. a partition wall; 5. a refrigeration unit; 6. an internal circulating pump group; 7. an outer circulating pump group.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, the utility model discloses a cold accumulation refrigerating station refrigerating system, including cold accumulation solution pool, the middle of cold accumulation solution pool is equipped with the partition wall 4 will cold accumulation solution pool divide into two independent spaces of-15 ℃ ethylene glycol cold accumulation solution pool 1 and-10 ℃ ethylene glycol cold accumulation solution pool 2, the partition wall 4 is the thermal-insulated wall (the thermal-insulated wall is unanimous with the ethanol liquid storage pot box material of past design), the-15 ℃ ethylene glycol cold accumulation solution pool is the same with-10 ℃ ethylene glycol cold accumulation solution pool volume; the-10 ℃ ethylene glycol cold accumulation solution tank 2 is sequentially communicated with an internal circulation pump unit 6 and a refrigerating unit 5 through an ethylene glycol liquid return pipe, and the refrigerating unit 5 is communicated with the-15 ℃ ethylene glycol cold accumulation solution tank 1 through an ethylene glycol liquid supply pipe;
the-15 ℃ ethylene glycol cold accumulation solution tank 1 is also communicated with an external circulation pump set 7 through an ethylene glycol liquid supply pipe, the external circulation pump 7 is communicated with a workshop through a workshop ethylene glycol liquid supply pipe, and the workshop is communicated with the-10 ℃ ethylene glycol cold accumulation solution tank 2 through a workshop ethylene glycol liquid return pipe;
the air release pipes 3 are respectively arranged in the-15 ℃ glycol cold storage solution tank 1 and the-10 ℃ glycol cold storage solution tank 2.
During specific construction, the cold accumulation solution tank is a square tank, the volume of the square tank is 1.5-2 times of that of the ethylene glycol solution storage tank, the volumes of 1/2-2/3 of the square tank are arranged underground, and perlite and sand are arranged at the bottom of the cold accumulation solution tank for good cold insulation effect. Meanwhile, in order to achieve the energy-saving and efficient refrigeration effect, the refrigeration unit is an evaporation-cooling type refrigeration unit.
When specifically using, as shown in fig. 2, it is the utility model discloses a cold-storage refrigerating station refrigerating system's a specific embodiment, distinguishes inner loop system and outer loop system, recycles the project and implements the advantage of regional execution peak valley price of electricity, and the flow is as follows: when the electricity price is low (when the electricity cost is low), the glycol solution at the temperature of minus 10 ℃ returns to the glycol cold accumulation solution pool 2 at the temperature of minus 10 ℃ through the outer pipe gallery, then comes out of the glycol cold accumulation solution pool 2 at the temperature of minus 10 ℃ and is supplied to a refrigerating unit 5 (containing 4 groups of refrigerators) through an internal circulating pump set 6 (containing 5 groups of internal circulating pumps) to prepare the glycol solution at the temperature of minus 15 ℃ which is stored in the glycol cold accumulation solution pool 1 at the temperature of minus 15 ℃; when the electricity price is high, the ethylene glycol solution at the temperature of-15 ℃ flows from the ethylene glycol cold accumulation solution tank 1 at the temperature of-15 ℃ to the cold workshop for the process through the external circulation pump group 7 (comprising 6 external circulation pumps).
By the method, the running electricity charge of the plant area can be greatly reduced, and the power configuration of the whole plant area is optimized; and two sets of inside and outside circulation system mutual noninterference, the internal circulation system overcomes the loss of pressure of refrigerating unit and indoor pipeline, and the external circulation system overcomes the loss of pressure of outer piping lane and cold equipment for technology, satisfies the cold volume demand with cold workshop. And because the evaporation cooling type refrigerating unit is used for replacing the water cooling type refrigerating unit designed and selected in the prior art, a huge cooling water system is not needed, the energy-saving refrigeration system has the advantage of energy conservation, and the initial investment and the operation cost of the comprehensive balance are lower than those of the water cooling type refrigerating unit.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (5)
1. A cold-storage refrigerating station refrigerating system is characterized in that: the system comprises a cold accumulation solution pool, wherein a partition wall is arranged in the middle of the cold accumulation solution pool to divide the cold accumulation solution pool into two independent spaces, namely a-15 ℃ ethylene glycol cold accumulation solution pool and a-10 ℃ ethylene glycol cold accumulation solution pool, the-10 ℃ ethylene glycol cold accumulation solution pool is sequentially communicated with an internal circulation pump set and a refrigerating unit through an ethylene glycol liquid return pipe, and the refrigerating unit is communicated with the-15 ℃ ethylene glycol cold accumulation solution pool through an ethylene glycol liquid supply pipe;
the ethylene glycol cold storage solution tank at the temperature of-15 ℃ is also communicated with an external circulating pump set through an ethylene glycol liquid supply pipe, the external circulating pump is communicated with a workshop through an ethylene glycol liquid supply pipe of the workshop, and the workshop is communicated with the ethylene glycol cold storage solution tank at the temperature of-10 ℃ through an ethylene glycol liquid return pipe of the workshop;
the-15 ℃ ethylene glycol cold storage solution tank and the-10 ℃ ethylene glycol cold storage solution tank are respectively provided with an air discharging pipe.
2. The cold-storage freezer station refrigeration system of claim 1, wherein: the cold accumulation solution tank is a square tank, the volume of the cold accumulation solution tank is 1.5-2 times of that of a glycol solution storage tank designed in the prior art, and the volume of the cold accumulation solution tank is 1/2-2/3 and is arranged underground.
3. The cold-storage freezer station refrigeration system of claim 1 or 2, wherein: the bottom of the cold accumulation solution pool is provided with perlite and sand.
4. The cold-storage freezer station refrigeration system of claim 1, wherein: the refrigerating unit is an evaporation cooling type refrigerating unit.
5. The cold-storage freezer station refrigeration system of claim 1, wherein: the separation wall is a heat insulation wall, and the volumes of the-15 ℃ glycol cold accumulation solution pool and the-10 ℃ glycol cold accumulation solution pool are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020906464.XU CN212566396U (en) | 2020-05-26 | 2020-05-26 | Cold-storage refrigerating station refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020906464.XU CN212566396U (en) | 2020-05-26 | 2020-05-26 | Cold-storage refrigerating station refrigerating system |
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| Publication Number | Publication Date |
|---|---|
| CN212566396U true CN212566396U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020906464.XU Active CN212566396U (en) | 2020-05-26 | 2020-05-26 | Cold-storage refrigerating station refrigerating system |
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| CN (1) | CN212566396U (en) |
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2020
- 2020-05-26 CN CN202020906464.XU patent/CN212566396U/en active Active
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