CN218972991U

CN218972991U - Energy storage type regional cold supply pipeline

Info

Publication number: CN218972991U
Application number: CN202223477267.9U
Authority: CN
Inventors: 李海波; 侯震林; 吴明训; 黄飞强; 韩志雨
Original assignee: Guodian Investment Lingshui Smart Energy Co ltd
Current assignee: Guodian Investment Lingshui Smart Energy Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-05
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of pipelines and discloses an energy storage type regional cold supply pipeline which comprises a water chilling unit, wherein the output end of the water chilling unit is fixedly connected with a water supply pipeline, the right end of the water supply pipeline is fixedly connected with an electric bypass valve, the right end of the electric bypass valve is fixedly connected with a heat exchange plate of a user heat exchange station, the rear end of the electric bypass valve is fixedly connected with a water return pipeline, the left end of the water return pipeline is fixedly connected with a water pump, and the inside of the water supply pipeline is fixedly connected with a polyethylene outer protective shell. According to the utility model, the phase change material is used for accumulating cold, so that an ice accumulation pool or a water accumulation pool which is required to be built can be replaced by ice accumulation and water accumulation, the occupied area of a machine room can be reduced, the installed capacity of a host can be reduced, and the initial investment of projects is saved. The cold accumulation of the phase change material can enable the water chilling unit to realize large-temperature-difference cold supply, and the host refrigerating efficiency is effectively improved.

Description

Energy storage type regional cold supply pipeline

Technical Field

The utility model relates to the technical field of pipelines, in particular to an energy storage type regional cooling pipeline.

Background

In order to balance electricity consumption, peak clipping and valley filling are performed, and under the guidance of building an economic society idea, the government and the electric power department in China are used for relieving the contradiction between electric power construction and new electricity consumption. Related policies for promoting the development of the energy storage air conditioner are also put out in various areas, and the development and application of the energy storage air conditioner technology are promoted. The conventional water cold accumulation and the ice cold accumulation are required to build an ice accumulation tank or a water reservoir in a machine room, the occupied area is large, the maintenance cost is high, and the phase change material is adopted for energy storage, so that the occupied area of the machine room can be reduced, the initial investment of a project is saved, the water chilling unit can realize large-temperature-difference cold supply, and the refrigerating efficiency of a host machine can be effectively improved.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an energy storage type regional cooling pipeline.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an energy storage type regional cold supply pipeline, includes the cooling water set, the output fixedly connected with water supply pipe of cooling water set, the right-hand member fixedly connected with electric bypass valve of water supply pipe, the right-hand member fixedly connected with user's heat exchange station heat exchange plate of electric bypass valve, the rear end fixedly connected with wet return pipeline of electric bypass valve, the left end fixedly connected with water pump of wet return pipeline, the inside fixedly connected with polyethylene outer shell of water supply pipe, the inside fixedly connected with polyurethane foam heat preservation of polyethylene outer shell, the inside fixedly connected with outer steel pipe of polyurethane foam heat preservation, the inside fixedly connected with phase change material of outer steel pipe, the inside fixedly connected with inner steel pipe of phase change material.

As a further description of the above technical solution:

the output end of the water pump is fixedly connected with the input end of the water chilling unit.

As a further description of the above technical solution:

the internal structure of the water supply pipeline is the same as that of the water return pipeline.

As a further description of the above technical solution:

an evaporator is arranged in the water chilling unit.

The utility model has the following beneficial effects:

according to the utility model, the phase change material is used for accumulating cold, so that an ice accumulation pool or a water accumulation pool which is required to be built can be replaced by ice accumulation and water accumulation, the occupied area of a machine room can be reduced, the installed capacity of a host machine can be reduced, the initial investment of a project is saved, the cold accumulation of the phase change material can enable a water chilling unit to realize large-temperature-difference cold supply, and the refrigerating efficiency of the host machine is effectively improved.

Drawings

FIG. 1 is a top view of an energy storage type regional cold supply pipeline according to the present utility model;

FIG. 2 is a schematic view of a water supply pipeline structure of an energy storage type regional cooling pipeline according to the present utility model;

fig. 3 is a schematic diagram of the structure of an inner steel pipe of an energy storage type regional cold supply pipeline.

Legend description:

1. a water chiller; 2. a water supply pipe; 3. an electric bypass valve; 4. a water return pipe; 5. a water pump; 6. a heat exchange plate of the user heat exchange station; 7. a polyethylene outer casing; 8. polyurethane foaming heat preservation layer; 9. an outer steel pipe; 10. a phase change material; 11. an inner steel pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, one embodiment provided by the present utility model is: an energy storage type regional cold supply pipeline comprises a water chilling unit 1, wherein the water chilling unit 1 can cool and release cold so as to regulate water temperature, the output end of the water chilling unit 1 is fixedly connected with a water supply pipeline 2, the chilled water at low temperature can be conveyed to the inside of the water supply pipeline 2 by starting the water chilling unit 1 to operate, the right end of the water supply pipeline 2 is fixedly connected with an electric bypass valve 3, the electric bypass valve 3 is controlled to be opened and closed, the chilled water in the water supply pipeline 2 and warm water in a heat exchange plate 6 of a user heat exchange station can be cooled, when the electric bypass valve 3 is opened, the evaporator side of the water chilling unit 1 conveys the chilled water to the water supply pipeline 2, the outdoor cold supply pipeline absorbs cold in the chilled water through a phase change material 10, the cold is stored in the phase change material 10, and when the electric bypass valve 3 is closed, the evaporation side of the water chiller 1 is low-temperature chilled water, the chilled water passes through the water supply pipeline 2 to absorb the cold energy in the phase change material 10, the chilled water is conveyed to a heat exchange plate in a user heat exchange station for heat exchange after the temperature of the chilled water is reduced, the air conditioner chilled water is provided for users, the phase change material 10 is used for cold accumulation, an ice accumulation pool or a water accumulation pool which is required to be built for ice accumulation and water accumulation can be replaced, the occupied area of a machine room can be reduced, the installed capacity of a host machine can be reduced, the initial investment of projects is saved, the cold accumulation of the phase change material 10 can enable the water chiller 1 to realize large-temperature difference cold supply, the refrigerating efficiency of the host machine is effectively improved, in addition, the cold accumulation of the phase change material 10 can cut peaks and fill valleys to a certain extent, the problem of peak power shortage in daytime in summer in China is solved, the right end of the electric bypass valve 3 is fixedly connected with the heat exchange plate 6 of the user heat exchange station, and the electric bypass valve 3 is opened, the refrigerating water in the water supply pipeline 2 is absorbed by the outdoor cold supply pipeline through the phase change material 10, the refrigerating capacity is stored in the phase change material 10, the rear end of the electric bypass valve 3 is fixedly connected with the water return pipeline 4, the water return pipeline 4 can guide water with exchanged water temperature into the water chilling unit 1, the left end of the water return pipeline 4 is fixedly connected with the water pump 5, the water in the cold supply pipeline flows by starting the water pump 5 to operate, the polyethylene outer protective shell 7 is fixedly connected in the water supply pipeline 2, the polyethylene outer protective shell 7 has the characteristics of high mechanical strength, impact resistance, environmental stress cracking resistance, corrosion resistance, low temperature resistance, easy welding, simple construction, strict sealing, no leakage, long service life and the like, the polyurethane foam heat preservation layer 8 is fixedly connected in the polyethylene outer protective shell 7, the polyurethane foam heat preservation 8 can furthest reduce the heat dissipation of cold water in the pipeline, the inside fixedly connected with outer steel pipe 9 of polyurethane foam heat preservation 8 plays the supporting role to the whole pipeline, the inside fixedly connected with phase change material 10 of outer steel pipe 9, phase change material 10 can replace ice storage pond or cistern that ice cold storage, water cold storage need be built, can reduce the area of computer lab, can also reduce the installed capacity of host computer, the initial investment of project has been practiced thrift, also can make chiller 1 realize big difference in temperature and supply cold, effectively promote host computer refrigeration efficiency can to a certain extent peak clipping fill out the valley, alleviate the problem that the daytime electricity peak power of china is insufficient in summer, the inside fixedly connected with inner steel pipe 11 of phase change material 10, inner steel pipe 11 and outer steel pipe 9 cooperation use for the pipeline is whole be difficult for warping more.

The output of water pump 5 and the input fixed connection of cooling water set 1 through starting water pump 5 operation to make the whole inside water of pipeline flow, the inner structure of water supply pipeline 2 is the same with the inner structure of wet return pipeline 4, makes the whole energy-conserving more of cold supply pipeline, and the internally mounted of cooling water set 1 has the evaporimeter, and the evaporimeter is the inside important part of cooling water set 1, and the low temperature condensate liquid passes through the evaporimeter, carries out heat exchange with external air, and gasification absorbs heat, reaches refrigerated effect.

Working principle: when the cold water machine set 1 stores cold at night, the electric bypass valve 3 is opened, the evaporator side of the cold water machine set 1 conveys low-temperature chilled water to the water supply pipeline 2, the outdoor cold supply pipeline absorbs cold energy in the chilled water through the phase change material 10, the cold energy is stored in the phase change material 10, when the cold water machine set 1 supplies cold in the daytime in summer, the electric bypass valve 3 is closed, the evaporation side of the cold water machine set 1 is low-temperature chilled water, the cold energy in the phase change material 10 is absorbed through the water supply pipeline 2, the chilled water temperature is reduced and then conveyed to a heat exchange plate in a user heat exchange station for providing air-conditioning chilled water for users, and the phase change material 10 is used for cold accumulation, so that an ice storage pool or a water storage pool which is required to be built can be replaced by ice cold accumulation and water cold accumulation can be reduced, the occupied area of a machine room can be reduced, the installed capacity of a host can be reduced, the initial investment of a project can be saved, the cold water machine set 1 can realize large-temperature difference cold supply, and the refrigerating efficiency of the host can be effectively improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an energy storage type regional cold supply pipeline, includes cooling water set (1), its characterized in that: the utility model discloses a water chiller, including outer steel pipe (11) of phase change material (10), outer steel pipe (8) of the inside fixedly connected with of water chilling unit (1), output fixedly connected with water supply pipe (2) of water chilling unit (1), the right-hand member fixedly connected with electric bypass valve (3) of water supply pipe (2), the right-hand member fixedly connected with user's heat exchange station heat exchange plate (6) of electric bypass valve (3), the rear end fixedly connected with return water pipe (4) of electric bypass valve (3), the left end fixedly connected with water pump (5) of return water pipe (4), the inside fixedly connected with polyethylene outer shell (7) of water supply pipe (2), the inside fixedly connected with polyurethane foam heat preservation (8) of polyethylene outer shell (7), the inside fixedly connected with outer steel pipe (9) of polyurethane foam heat preservation (8), the inside fixedly connected with phase change material (10) of outer steel pipe (9).

2. An energy storage type regional cold supply pipeline according to claim 1, characterized in that: the output end of the water pump (5) is fixedly connected with the input end of the water chilling unit (1).

3. An energy storage type regional cold supply pipeline according to claim 1, characterized in that: the internal structure of the water supply pipeline (2) is the same as that of the water return pipeline (4).

4. An energy storage type regional cold supply pipeline according to claim 1, characterized in that: an evaporator is arranged in the water chilling unit (1).