CN217383377U - Hot water heating system combining water chilling unit and heat pump unit - Google Patents
Hot water heating system combining water chilling unit and heat pump unit Download PDFInfo
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- CN217383377U CN217383377U CN202220189613.4U CN202220189613U CN217383377U CN 217383377 U CN217383377 U CN 217383377U CN 202220189613 U CN202220189613 U CN 202220189613U CN 217383377 U CN217383377 U CN 217383377U
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The utility model relates to a hot water heating system combining a water chilling unit and a heat pump unit, which comprises the water chilling unit, a centrifugal heat pump unit, a primary side water supply and return water, a secondary side water supply and return water and a tail end water supply and return water; a water supply pipe and a water return pipe for supplying and returning water on the primary side pass through the evaporator of the supercooled water unit, and a water supply pipe and a water return pipe for supplying and returning water on the secondary side pass through the condenser of the supercooled water unit and simultaneously pass through the evaporator of the heat pump unit; the condenser of the heat pump unit provides water from the tail end for supplying and returning water. The utility model discloses not only can effectively utilize the idle cooling water set in winter, can adopt conventional low temperature and middle temperature type centrifugal heat pump set in the market simultaneously, reach and provide 60 ℃ of high temperature hot water even and supply terminal the use. The utility model discloses both reduced investment cost, enlarged winter heating equipment optional room, provided the hot water of high quality again simultaneously. The design method has important significance for the design of cold and heat sources with high requirements on hot water quality, such as the adoption of a large-scale regional performance source station system and the adoption of a radiator fin at the tail end.
Description
Technical Field
The utility model belongs to the technical field of warm logical air conditioning engineering, concretely relates to hot water heating up system that cooling water set and heat pump set are united.
Background
With the development of global economy, the urbanization rate of China is continuously increased. In the process of industrialization and urbanization, the construction of new town areas and the construction of central business areas of cities are marked products. In order to reduce the building investment and efficiently utilize energy and simultaneously ensure the high quality of a park air conditioning system, a centralized cooling and heating system of a regional energy station is widely adopted by park construction. The energy station is arranged in a centralized manner, so that advanced centralized management and control can be realized, the cost of maintenance personnel of the air conditioning system is reduced, the energy utilization is improved, and the like, the internal requirements of national sustainable development and the responsibility of constructing a human fate community are realized, and the internal requirements are closely matched with a carbon peak-reaching and carbon-neutralizing double-carbon target vision.
The regional energy station generally adopts a mode of a conventional water chilling unit plus a boiler or a mode of the water chilling unit plus a heat pump unit, particularly a park with renewable energy sources such as geothermal energy, reclaimed water and waste heat, generally adopts a mode of cooling by the water chilling unit in summer and heating by the heat pump unit in winter. When heating in winter, a large amount of water chilling units are vacant in summer, the occupied area of a park is wide, the energy supply radius of a regional energy station is large, a heat supply pipeline generates certain heat loss, diversified choices of the heating end are radiator pieces and the like, and the requirement of the end on the water supply temperature is improved.
Conventional regional energy station all has certain weak point, based on this, the utility model provides a hot water heating system that cooling water set and heat pump set unite.
Disclosure of Invention
An object of the utility model is to provide a hot water heating system that cooling water set and heat pump set are united, this kind of hot water heating system not only can effectively utilize the cooling water set that is idle in winter, can adopt conventional low temperature or well warm type centrifugal heat pump set on the market simultaneously, reaches to provide 60 ℃ of hot water of higher temperature even and supplies end-to-end use.
In order to achieve the above object, the utility model adopts the following technical scheme:
a hot water heating system combining a water chilling unit and a heat pump unit comprises the water chilling unit, a centrifugal heat pump unit, primary side water supply and return water, secondary side water supply and return water and tail end water supply and return water. The primary side water supply and return device comprises a primary side water supply pipe and a primary side water return pipe, the secondary side water supply and return device comprises a secondary side water supply pipe and a secondary side water return pipe, and the tail end water supply and return device comprises a tail end water supply pipe and a tail end water return pipe; the outlet of the primary side water supply pipe is connected with the water inlet of an evaporator of the water chilling unit, and the water outlet of the evaporator of the water chilling unit is connected with the inlet of the primary side water return pipe; the inlet of the secondary side water supply pipe is connected with the water outlet of a condenser of the water chilling unit, and the outlet of the secondary side water supply pipe is connected with the water inlet of an evaporator of the centrifugal heat pump unit; the outlet of the secondary side water return pipe is connected with the water inlet of a condenser of the water chilling unit, and the inlet of the secondary side water return pipe is connected with the water outlet of an evaporator of the centrifugal heat pump unit; the inlet of the tail end water supply pipe is connected with the water outlet of a condenser of the centrifugal heat pump unit, and the outlet of the tail end water supply pipe is connected with the inlet of a heating user side; the inlet of the tail end water return pipe is connected with the outlet of the heating user side, and the outlet of the tail end water return pipe is connected with the water inlet of a condenser of the centrifugal heat pump unit.
The water chilling unit and the centrifugal heat pump unit are units for supplying cold in summer and supplying heat in winter of the energy station. Namely, the water chilling unit is a water chilling unit in the energy station system; the centrifugal heat pump unit is a centrifugal heat pump unit in an energy station system. The primary side supply and return water is supplied to the evaporator side of the winter water chilling unit and can be reclaimed water, waste water or tap water and the like.
And the secondary side water supply and return is that the primary side water supply and return passes through the supercooled water unit, and the condenser side of the water chilling unit is supplied to the evaporator side of the centrifugal heat pump unit.
The tail end water supply is realized by supplying hot water at 60 ℃ after secondary side water supply and return pass through the centrifugal heat pump unit.
The utility model discloses effectively utilize idle many cold water set when heating winter, can adopt conventional low temperature or middle temperature type centrifugal heat pump set on the market simultaneously, reach the hot water that provides 60 ℃ higher temperature even and supply the terminal use of heating. The heating system not only reduces the investment cost and enlarges the equipment selection scope, but also provides high-quality hot water. The design method has important significance for the design with high requirements on the quality of hot water, such as the adoption of a large-area performance source station system and the adoption of a radiator fin at the tail end.
Drawings
Fig. 1 is a schematic diagram of a hot water heating system combining a water chilling unit and a heat pump unit according to the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Referring to fig. 1, the utility model discloses a supplying water 1, cooling water set 2, the secondary side supplies return water 3, heat pump set 4, the terminal return water 5 that supplies of giving the primary side of heat source side. The primary side supply and return water 1 comprises a primary side water supply pipe 101 and a primary side return water pipe 102, the secondary side supply and return water 3 comprises a secondary side water supply pipe 301 and a secondary side return water pipe 302, and the tail end supply and return water 5 comprises a tail end water supply pipe 501 and a tail end return water pipe 502; an outlet of the primary side water supply pipe 101 is connected with a water inlet of an evaporator 201 of the water chilling unit 2, and a water outlet of the evaporator 201 of the water chilling unit 2 is connected with an inlet of a primary side water return pipe 102; an inlet of the secondary side water supply pipe 301 is connected with a water outlet of a condenser 202 of the water chilling unit 2, and an outlet of the secondary side water supply pipe 301 is connected with a water inlet of an evaporator 402 of the centrifugal heat pump unit 4; an outlet of the secondary side water return pipe 302 is connected with a water inlet of a condenser 202 of the water chilling unit 2, and an inlet of the secondary side water return pipe 302 is connected with a water outlet of an evaporator 402 of the centrifugal heat pump unit 4; the inlet of the tail end water supply pipe 501 is connected with the water outlet of the condenser 402 of the centrifugal heat pump unit 4, and the outlet of the tail end water supply pipe 501 is connected with the inlet of a heating user end; the inlet of the tail end water return pipe 502 is connected with the outlet of the heating user end, and the outlet of the tail end water return pipe 502 is connected with the water inlet of the condenser 402 of the centrifugal heat pump unit 4. A water supply pipe 101 and a water return pipe 102 of the primary side supply and return water 1 pass through an evaporator 201 of the supercooled water unit 2, a water supply pipe 301 and a water return pipe 302 of the secondary side supply and return water 3 pass through a condenser 202 of the supercooled water unit 2, and simultaneously pass through an evaporator 401 of the heat pump unit 4; the condenser 402 of the heat pump unit 4 supplies end supply water 5.
101 and 102 of the primary side supply return water 1 in fig. 1 provide waste hot water of 14/7 ℃ and the like, 301 and 302 of the secondary side supply return water 3 provide water temperature of 37/32 ℃, and 501 and 502 of the terminal supply return water 5 provide water temperature of 60/50 ℃.
In fig. 1, the chiller 2 and the heat pump unit 4 are connected by the secondary side supply return water 3, and the water supply pipe 301 firstly passes through the evaporator 401 of the heat pump unit 4 and then enters the condenser 201 of the chiller 2 through the return water pipe 302.
The utility model discloses not only can effectively utilize the idle cooling water set in winter, can adopt conventional low temperature or well warm type centrifugal heat pump set in the market simultaneously, reach and provide 60 ℃ or even higher temperature hot water and supply terminal the use. Under extreme weather conditions, the water chilling unit and the heat pump unit are connected in series and operated in relay mode, and the heat supply capacity of the heat source system can be improved. The heating system not only reduces the investment cost and enlarges the choice of heating equipment in winter, but also provides high-quality hot water. The design method has important significance for the design of cold and heat sources with high requirements on hot water quality, such as the adoption of a large-scale regional performance source station system and the adoption of a radiator fin at the tail end.
The specific implementation mode of the utility model comprises the following 4 steps:
1. the primary side of 14/7 ℃ supplies return water to pass through an evaporator of the cold water unit.
2. The condenser of the chiller provides secondary side water supply at 37/32 ℃.
3. The condenser of the water chilling unit provides secondary side water supply of 37/32 ℃ to pass through the evaporator of the heat pump unit.
4. The evaporator of the heat pump unit provides 60/50 ℃ tail end supply backwater to serve a heating user side in the service range of the cold source station.
Claims (3)
1. The utility model provides a hot water heating system that cooling water set and heat pump set unite which characterized in that: the system comprises a water chilling unit, a centrifugal heat pump unit, primary side water supply and return, secondary side water supply and return and tail end water supply and return; the primary side water supply and return pipe comprises a primary side water supply pipe and a primary side water return pipe, the secondary side water supply and return pipe comprises a secondary side water supply pipe and a secondary side water return pipe, and the tail end water supply and return pipe comprises a tail end water supply pipe and a tail end water return pipe; the outlet of the primary side water supply pipe is connected with the water inlet of an evaporator of the water chilling unit, and the water outlet of the evaporator of the water chilling unit is connected with the inlet of a primary side water return pipe; the inlet of the secondary side water supply pipe is connected with the water outlet of a condenser of the water chilling unit, and the outlet of the secondary side water supply pipe is connected with the water inlet of an evaporator of the centrifugal heat pump unit; the outlet of the secondary side water return pipe is connected with the water inlet of a condenser of the water chilling unit, and the inlet of the secondary side water return pipe is connected with the water outlet of an evaporator of the centrifugal heat pump unit; the inlet of the tail end water supply pipe is connected with the water outlet of a condenser of the centrifugal heat pump unit, and the outlet of the tail end water supply pipe is connected with the inlet of a heating user side; the inlet of the tail end water return pipe is connected with the outlet of the heating user side, and the outlet of the tail end water return pipe is connected with the water inlet of a condenser of the centrifugal heat pump unit.
2. The water chiller and heat pump unit combined hot water heating system according to claim 1, wherein: the water chilling unit is a water chilling unit in an energy station system.
3. The hot water heating system combining the water chilling unit and the heat pump unit according to claim 1 or 2, characterized in that: the centrifugal heat pump unit is a centrifugal heat pump unit in an energy station system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220189613.4U CN217383377U (en) | 2022-01-24 | 2022-01-24 | Hot water heating system combining water chilling unit and heat pump unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220189613.4U CN217383377U (en) | 2022-01-24 | 2022-01-24 | Hot water heating system combining water chilling unit and heat pump unit |
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| CN217383377U true CN217383377U (en) | 2022-09-06 |
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| CN202220189613.4U Active CN217383377U (en) | 2022-01-24 | 2022-01-24 | Hot water heating system combining water chilling unit and heat pump unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117190517A (en) * | 2023-07-11 | 2023-12-08 | 淮安特创科技有限公司 | Cooling water waste heat recovery device of ice water machine |
-
2022
- 2022-01-24 CN CN202220189613.4U patent/CN217383377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117190517A (en) * | 2023-07-11 | 2023-12-08 | 淮安特创科技有限公司 | Cooling water waste heat recovery device of ice water machine |
| CN117190517B (en) * | 2023-07-11 | 2024-03-29 | 淮安特创科技有限公司 | Cooling water waste heat recovery device of ice water machine |
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