CN109059152B - Water ring heat pump air conditioning system operation system and method based on data center - Google Patents
Water ring heat pump air conditioning system operation system and method based on data center Download PDFInfo
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- CN109059152B CN109059152B CN201810861506.XA CN201810861506A CN109059152B CN 109059152 B CN109059152 B CN 109059152B CN 201810861506 A CN201810861506 A CN 201810861506A CN 109059152 B CN109059152 B CN 109059152B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 215
- 238000004378 air conditioning Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000000498 cooling water Substances 0.000 claims description 30
- 230000017525 heat dissipation Effects 0.000 claims description 24
- 239000013589 supplement Substances 0.000 claims description 2
- 238000010304 firing Methods 0.000 abstract 1
- 230000003020 moisturizing effect Effects 0.000 abstract 1
- 230000001502 supplementing effect Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to a water ring heat pump air conditioning system operation system and method based on a data center. The air conditioner solves the technical problems that the utilization of the existing air conditioner system is not reasonable enough and the like. The system comprises a data center water loop heat pump, a common room water loop heat pump, a series-parallel switching structure, a circulation loop and a circulation water pump, wherein a closed cooling tower and heating equipment are sequentially arranged on a circulation main circuit between the data center water loop heat pump and the common room water loop heat pump, a first on-off structure is arranged on the circulation main circuit, a second on-off structure is further arranged on the circulation main circuit, and a third on-off structure is arranged on the circulation loop. The advantages are that: through setting up firing equipment and moisturizing cold equipment in water ring heat pump air conditioning system to open and close through the valve, realize cold and hot transfer, dispatch and the replenishment, realized the switching of different operating modes, prevent that energy distribution is not enough and unnecessary, satisfied the demand of data center and ordinary room to different cold and hot.
Description
Technical Field
The invention belongs to the technical field of energy supply equipment, and particularly relates to a water ring heat pump air conditioning system operation system and method based on a data center.
Background
Data centers possess a large number of IT server devices, as opposed to conventional room function types. The server can radiate a large amount of heat in the working operation, if the heat cannot be removed in time, the temperature in the data center can be quickly increased, the electronic equipment is damaged, a machine room can be seriously damaged, and the operation is stopped. The data center needs to supply cold all the year round to maintain the safe and stable normal operation of equipment in a machine room, so that the air conditioning system of the data center is one of the objects for the important research at present, and the selection of the system, the energy consumption and the like become the attention content.
An office building having a data center whose ordinary room is required to be heated in winter. This is in contradiction to the annual cooling demand of data centers. The water loop heat pump is one of different modes for processing the cold and heat demands of different rooms, can realize the dispatching of cold and heat, and transfers the heat in the room requiring the cold to the room requiring the heat. Problems with water loop heat pump air conditioning systems during operation include: the heat and cold demands of different functional rooms are not necessarily consistent (difference exists between heat dissipation capacity and heat demand), the switching under different working conditions is complex, the energy saving efficiency of the system is low, the heat and cold distribution is wrong, and the like. Therefore, how to more reasonably distribute the heat and cold supply relationship between a data center and a common room is a topic to be studied.
Disclosure of Invention
The invention aims to solve the problems and provide a water ring heat pump air conditioning system operation system based on a data center, which is reasonable in design and can meet the requirements of the data center and a common room for different cold and heat.
The invention further aims to solve the problems, and provides a water ring heat pump air conditioning system operation method based on a data center, which is easy to implement and can realize switching of working conditions of the system in winter and summer.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the water ring heat pump air conditioning system operation system based on the data center comprises at least one data center water ring heat pump and a plurality of common room water ring heat pumps, and is characterized in that a first on-off structure for connecting or closing the data center water ring heat pumps with each data center water ring heat pump respectively or connecting the data center water ring heat pump with the common room water ring heat pump in series is arranged between the data center water ring heat pump and the common room water ring heat pumps, the water outlet end of the common room water ring heat pump is connected with the water inlet end of the data center water ring heat pump through a circulating water pump arranged on a circulating loop, a closed cooling tower and a heating device are sequentially arranged on a circulating main loop between the data center water ring heat pump and the common room water ring heat pump, a second on-off structure for connecting or closing the circulating main loop and the closed cooling tower is also arranged on the circulating main loop, and a third on-off structure for connecting or closing the circulating loop and the closed cooling tower is arranged on the circulating main loop. The cooling and heating equipment is arranged between the water loop heat pump of the data center and the water loop heat pump of the common room, and the dispatching, transferring and supplementing of the cold and heat quantity are realized through the water loop heat pump air conditioning system, so that the energy distribution deficiency and the energy distribution redundancy are prevented, and the requirements of the data center and the common room on different cold and heat quantities are met.
In the running system of the water ring heat pump air conditioning system based on the data center, the series-parallel switching structure comprises a three-way valve I arranged at the water inlet end of the water ring heat pump of the data center and a three-way valve II arranged at the water outlet end of the water ring heat pump of the data center, one end of the three-way valve I is connected with a circulation loop, the other end of the three-way valve I is connected with the water inlet end of the water ring heat pump of the data center, and the remaining end of the three-way valve I is connected with a circulation main path; one end of the three-way valve II is connected with the water outlet end of the water ring heat pump of the data center, the other end of the three-way valve II is connected to the circulation main path, and the remaining end of the three-way valve II is connected with the water outlet ends of the water ring heat pumps of the common rooms in parallel on the circulation loop.
In the above-mentioned water ring heat pump air conditioning system operation system based on data center, first break-make structure include stop valve I that sets up on the circulation main road, closed cooling tower both ends connect respectively on the circulation main road and lie in stop valve I both ends, just closed cooling tower one end link to each other with the circulation main road through stop valve VI, the other end links to each other with the circulation main road through stop valve VII.
In the running system of the water ring heat pump air conditioning system based on the data center, the second switching-on and switching-off structure comprises a stop valve II arranged on the circulation main path, two ends of the heating equipment are respectively connected on the circulation main path and positioned at two ends of the stop valve II, one end of the heating equipment is connected with the circulation main path through a stop valve IV, and the other end of the heating equipment is connected with the circulation main path through a stop valve V.
In the water ring heat pump air conditioning system operation system based on the data center, the third breaking structure comprises a stop valve III arranged on the circulation loop, two ends of the closed cooling tower are respectively connected to the circulation loop and positioned at two ends of the stop valve III, one end of the closed cooling tower is connected with the circulation loop through the stop valve VIII, and the other end of the closed cooling tower is connected with the circulation loop through the stop valve IX.
The operation method of the water ring heat pump air conditioning system based on the data center based on the water ring heat pump air conditioning system operation system based on the data center is as follows:
the operation method of the water ring heat pump air conditioning system based on the data center comprises the following steps:
A. working conditions in summer: the data center water loop heat pump is respectively connected with each common room water loop heat pump in parallel through a serial-parallel switching structure, cooling water flows through the data center water loop heat pump and the common room water loop heat pump in parallel respectively to supply cold, and the circulation loop is communicated with the closed cooling tower through a third disconnection structure to dissipate heat of the cooling water;
B. winter working conditions: the data center water loop heat pump is connected with the common room water loop heat pump in series through a series-parallel switching structure;
when the heat dissipation capacity of the water ring heat pump of the data center is equal to the heat demand capacity of the water ring heat pump of the common room, cooling water firstly flows through the water ring heat pump of the data center and then flows through the water ring heat pump of the common room;
when the heat dissipation capacity of the water ring heat pump of the data center is smaller than the heat demand capacity of the water ring heat pump of the common room, the heating equipment is turned on, the heating equipment is communicated with the circulation main path through the second switching structure, cooling water firstly flows through the water ring heat pump of the data center and then flows to the heating equipment, the heating equipment supplements heat for the cooling water, and then flows through the water ring heat pump of the common room;
when the heat dissipation capacity of the water ring heat pump of the data center is larger than the heat demand capacity of the water ring heat pump of the common room, the closed cooling tower is opened, the circulation main path is communicated with the closed cooling tower through the first on-off structure, cooling water firstly flows through the water pump heat pump of the data center and then flows to the closed cooling tower, part of heat is dissipated to the cooling water through the closed cooling tower, and then flows through the water ring heat pump of the common room.
By switching the valve, the switching of the winter and summer working conditions of the system is realized, and the switching of three different operation modes under the winter working conditions is realized, so that the operation is convenient, simple and rapid. Whether working conditions are summer or winter, cooling water always flows through the water ring heat pump of the data center, so that the demand of the data center for cold is ensured, and the normal, stable and safe working operation of the data center is maintained.
In the operation method of the water ring heat pump air conditioning system based on the data center, in the step A, the data center water ring heat pump is respectively connected with each data center water ring heat pump in parallel by adjusting the three-way valve I and the three-way valve II, and the states of the stop valves are the stop valve I open, the stop valve II open, the stop valve III closed, the stop valve IV closed, the stop valve V closed, the stop valve VI closed, the stop valve VII closed, the stop valve VIII open and the stop valve IX open.
In the above method for operating the water ring heat pump air conditioning system based on the data center, in the step B, when the heat dissipation capacity of the water ring heat pump of the data center is equal to the heat demand capacity of the water ring heat pump of the common room, the water ring heat pump of the data center is connected with the water ring heat pump of the common room in series by adjusting the three-way valve i and the three-way valve ii, and the state of the stop valve is that the stop valve i is opened, the stop valve ii is opened, the stop valve iii is opened, the stop valve iv is closed, the stop valve v is closed, the stop valve vi is closed, the stop valve vii is closed, and the stop valve viii is closed.
In the above method for operating the water ring heat pump air conditioning system based on the data center, in the step B, when the heat dissipation capacity of the water ring heat pump of the data center is smaller than the heat demand capacity of the water ring heat pump of the common room, the water ring heat pump of the data center is connected with the water ring heat pump of the common room in series by adjusting the three-way valve i and the three-way valve ii, and the state of the stop valve is that the stop valve i is opened, the stop valve ii is closed, the stop valve iii is opened, the stop valve iv is opened, the stop valve v is opened, the stop valve vi is closed, the stop valve vii is closed, and the stop valve viii is closed.
In the above method for operating the water ring heat pump air conditioning system based on the data center, in the step B, when the heat dissipation capacity of the water ring heat pump of the data center is greater than the heat demand capacity of the water ring heat pump of the common room, the water ring heat pump of the data center is connected with the water ring heat pump of the common room in series by adjusting the three-way valve i and the three-way valve ii, and the state of the stop valve is the stop valve i, the stop valve ii, the stop valve iii, the stop valve iv, the stop valve v, the stop valve vi, the stop valve vii, the stop valve viii and the stop valve ix.
Compared with the prior art, the invention has the advantages that:
1. according to the operation mode, the cooling and heating equipment is arranged between the water loop heat pump of the data center and the water loop heat pump of the common room, the dispatching, transferring and supplementing of the cold and heat quantity are realized through the water loop heat pump air conditioning system, the energy distribution insufficiency and the energy distribution redundancy are prevented, and the requirements of the data center and the common room on different cold and heat quantities are met.
2. By switching the valve, the switching of the winter and summer working conditions of the system is realized, and the switching of three different operation modes under the winter working conditions is realized, so that the operation is convenient, simple and rapid.
3. Whether working conditions are summer or winter, cooling water always flows through the water ring heat pump of the data center, so that the demand of the data center for cold is ensured, and the normal, stable and safe working operation of the data center is maintained.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention in a summer mode of operation;
FIG. 2 is a schematic view of the structure of the present invention when the heat dissipation capacity is equal to the required heat in the winter operation mode;
FIG. 3 is a schematic view of the structure of the present invention when the heat dissipation capacity is smaller than the required heat in the winter operation mode;
FIG. 4 is a schematic view of the structure of the present invention when the heat dissipation capacity is greater than the required heat in the winter operation mode;
in the figure, a data center water loop heat pump 1, a common room water loop heat pump 2, a circulating water pump 3, heating equipment 4, a closed cooling tower 5, a three-way valve I6, a three-way valve II 7, a stop valve I8, a stop valve II 9, a stop valve III 10, a stop valve IV 11, a stop valve V12, a stop valve VI 13, a stop valve VII 14, a stop valve VIII 15, a stop valve IX 16, a series-parallel connection switching structure 17, a first on-off structure 18, a second on-off structure 19 and a third on-off structure 20.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1-4, the operation system of the water ring heat pump air-conditioning system based on the data center comprises at least one data center water ring heat pump 1 and a plurality of common room water ring heat pumps 2, wherein a first on-off structure 18 for connecting or closing a circulation main path and a closed cooling tower 5 is arranged on the circulation main path, a second on-off structure 19 for connecting or closing the heating device 4 and the circulation main path is also arranged on the circulation main path, and a third on-off structure 20 for connecting or closing the circulation loop and the closed cooling tower 5 is arranged on the circulation main path, wherein the serial-parallel switching structure 17 is arranged between the data center water ring heat pump 1 and the common room water ring heat pump 2 and can connect the data center water ring heat pump 1 and the common room water ring heat pump 2 in parallel, and the water outlet end of the common room water ring heat pump 2 is connected with the water inlet end of the data center water ring heat pump 1 through a circulating water pump 3 arranged on the circulation loop. The cooling and heating equipment is arranged between the water loop heat pump 1 of the data center and the water loop heat pump 2 of the common room, and the water loop heat pump air conditioning system realizes the dispatching, transferring and supplementing of cold and heat quantity, prevents the energy distribution from being insufficient and redundant, and meets the requirements of the data center and the common room on different cold and heat quantities.
Further, the serial-parallel switching structure 17 comprises a three-way valve I6 arranged at the water inlet end of the data center water ring heat pump 1 and a three-way valve II 7 arranged at the water outlet end of the data center water ring heat pump 1, one end of the three-way valve I6 is connected with the circulation loop, the other end of the three-way valve I6 is connected with the water inlet end of the data center water ring heat pump 1, and the remaining end of the three-way valve I6 is connected with the circulation main path; one end of the three-way valve II 7 is connected with the water outlet end of the data center water ring heat pump 1, the other end of the three-way valve II 7 is connected to the circulation main circuit, and the remaining end of the three-way valve II 7 is connected with the water outlet end of each common room water ring heat pump 2 in parallel to the circulation circuit.
The first on-off structure 18 comprises a stop valve I8 arranged on the circulation main path, two ends of the closed cooling tower 5 are respectively connected to the circulation main path and positioned at two ends of the stop valve I8, one end of the closed cooling tower 5 is connected with the circulation main path through a stop valve VI 13, and the other end of the closed cooling tower is connected with the circulation main path through a stop valve VII 14.
The second switching structure 19 comprises a stop valve II 9 arranged on the circulation main path, two ends of the heating device 4 are respectively connected on the circulation main path and positioned at two ends of the stop valve II 9, one end of the heating device 4 is connected with the circulation main path through a stop valve IV 11, and the other end of the heating device is connected with the circulation main path through a stop valve V12.
The third break structure 20 comprises a stop valve III 10 arranged on the circulation loop, two ends of the closed cooling tower 5 are respectively connected to the circulation loop and positioned at two ends of the stop valve III 10, one end of the closed cooling tower 5 is connected with the circulation loop through a stop valve VIII 15, and the other end of the closed cooling tower 5 is connected with the circulation loop through a stop valve IX 16.
The operation method of the water ring heat pump air conditioning system based on the data center in the embodiment comprises the following steps:
the heating device 4 and the closed cooling tower 5 are arranged in the water ring heat pump air conditioning system, and specific operation modes are divided into summer and winter.
In summer conditions, both the data center and the ordinary room need to be cooled. Through adjusting three-way valve I6, three-way valve II 7, the cooling water respectively flows through data center water ring heat pump 1 and ordinary room water ring heat pump 2 that are in the parallel state, takes away indoor heat pump heat dissipation capacity after, through closed cooling tower 5 under circulating water pump 3's effect, the cooling water after the outdoor heat dissipation gets into the next refrigeration cycle. The state of the stop valve is that the stop valve I8 is opened, the stop valve II 9 is opened, the stop valve III 10 is closed, the stop valve IV 11 is closed, the stop valve V12 is closed, the stop valve VI 13 is closed, the stop valve VII 14 is closed, the stop valve VIII 15 is opened, and the stop valve IX 16 is opened.
During winter conditions, data centers need to be cooled, while ordinary rooms need to be heated.
At this point, there are three states:
1. when the heat dissipation capacity of the data center water loop heat pump 1 is equal to the heat demand of the common room water loop heat pump 2, the data center water loop heat pump 1 and the common room water loop heat pump 2 are in a series connection state through adjusting the three-way valve I6 and the three-way valve II 7, cooling water firstly flows through the data center water pump heat pump 1, cooling water for taking away the heat dissipation capacity of the indoor heat pump flows through the common room water loop heat pump 2, and the required heat is provided for the common room. Finally, the cooling water with heat loss enters the next cold supply circulation under the action of the circulating water pump 3. The state of the stop valves at this time is that the stop valve I8 is opened, the stop valve II 9 is opened, the stop valve III 10 is opened, the stop valve IV 11 is closed, the stop valve V12 is closed, the stop valve VI 13 is closed, the stop valve VII 14 is closed, the stop valve VIII 15 is closed, and the stop valve IX 16 is closed.
2. When the heat dissipation capacity of the water ring heat pump 1 of the data center is smaller than the heat demand capacity of the water ring heat pump 2 of the common room, the branch of the heating equipment 4 is opened. Through adjusting three-way valve I6, three-way valve II 7, data center water ring heat pump 1 and ordinary room water ring heat pump 2 are in the series connection state, and the cooling water flows through data center water pump heat pump 1 earlier, takes away the cooling water of indoor heat pump heat dissipation volume and flows to heating equipment 4. The cooling water is supplemented with heat by the heating device 4 and flows through the water loop heat pump 2 of the common room to provide the heat required by the common room. Finally, the cooling water with heat loss enters the next cold supply circulation under the action of the circulating water pump 3. The state of the stop valves at this time is that the stop valve I8 is opened, the stop valve II 9 is closed, the stop valve III 10 is opened, the stop valve IV 11 is opened, the stop valve V12 is opened, the stop valve VI 13 is closed, the stop valve VII 14 is closed, the stop valve VIII 15 is closed, and the stop valve IX 16 is closed.
3. When the heat dissipation capacity of the water ring heat pump 1 of the data center is larger than the heat demand capacity of the water ring heat pump 2 of the common room, the branch of the closed cooling tower 5 is opened. Through adjusting three-way valve I6, three-way valve II 7, data center water ring heat pump 1 and ordinary room water ring heat pump 2 are in the series connection state, and the cooling water flows through data center water pump heat pump 1 earlier, takes away the cooling water of indoor heat pump heat dissipation capacity and arrives closed cooling tower 5. Part of heat is removed from the cooling water by the closed cooling tower 5, and the cooling water flows through the water ring heat pump 2 of the common room to provide the required heat for the common room. Finally, the cooling water with heat loss enters the next cold supply circulation under the action of the circulating water pump 3. The state of the stop valves at this time is that the stop valve I8 is closed, the stop valve II 9 is opened, the stop valve III 10 is opened, the stop valve IV 11 is closed, the stop valve V12 is closed, the stop valve VI 13 is opened, the stop valve VII 14 is opened, the stop valve VIII 15 is closed, and the stop valve IX 16 is closed.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the data center water loop heat pump 1, the general room water loop heat pump 2, the circulating water pump 3, the heating apparatus 4, the closed cooling tower 5, the three-way valve i 6, the three-way valve ii 7, the stop valve i 8, the stop valve ii 9, the stop valve iii 10, the stop valve iv 11, the stop valve v 12, the stop valve vi 13, the stop valve vii 14, the stop valve viii 15, the stop valve ix 16, the series-parallel switching structure 17, the first switching structure 18, the second switching structure 19, the third switching structure 20, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (9)
1. The water ring heat pump air conditioning system operation system based on the data center comprises at least one data center water ring heat pump (1) and a plurality of common room water ring heat pumps (2), and is characterized in that a first on-off structure (17) capable of connecting the data center water ring heat pump (1) with each data center water ring heat pump (1) in parallel or connecting the data center water ring heat pump (1) with the common room water ring heat pump (2) in series is arranged between the data center water ring heat pump (1) and the common room water ring heat pump (2), the water outlet end of the common room water ring heat pump (2) is connected with the water inlet end of the data center water ring heat pump (1) through a circulating water pump (3) arranged on a circulating loop, a closed cooling tower (5) and a heating device (4) are sequentially arranged on a circulating main circuit between the data center water ring heat pump (1) and the common room water ring heat pump (2), a first on-off structure (18) used for connecting or closing the circulating main circuit and the closed cooling tower (5) is arranged on the circulating main circuit, and a second on-off structure (20) used for connecting the circulating main circuit and the heating device (4) in the circulating main circuit or closing the circulating main circuit (20) is also arranged on the circulating main circuit or the closed circuit;
the water ring heat pump air conditioning system operation method based on the data center of the water ring heat pump air conditioning system operation system based on the data center comprises the following steps:
A. working conditions in summer: the data center water loop heat pump (1) is respectively connected with each common room water loop heat pump (2) in parallel through a serial-parallel switching structure (17), cooling water flows through the data center water loop heat pump (1) and the common room water loop heat pump (2) which are in a parallel state respectively to supply cold, and a circulation loop is communicated with the closed cooling tower (5) through a third disconnection structure (20) to dissipate heat of the cooling water;
B. winter working conditions: the data center water loop heat pump (1) is connected with the common room water loop heat pump (2) in series through a series-parallel connection switching structure (17);
when the heat dissipation capacity of the data center water loop heat pump (1) is equal to the heat demand capacity of the common room water loop heat pump (2), cooling water firstly flows through the data center water loop heat pump and then flows through the common room water loop heat pump (2);
when the heat dissipation capacity of the data center water loop heat pump (1) is smaller than the heat demand capacity of the common room water loop heat pump (2), the heating equipment (4) is turned on, the heating equipment (4) is communicated with the circulating main path through the second switching-off structure (19), cooling water firstly flows through the data center water pump heat pump and then flows to the heating equipment (4), the heating equipment (4) supplements the heat of the cooling water, and then flows through the common room water loop heat pump (2);
when the heat dissipation capacity of the data center water loop heat pump (1) is larger than the heat demand of the common room water loop heat pump (2), the closed cooling tower (5) is opened, the circulation main path is communicated with the closed cooling tower (5) through the first on-off structure (18), cooling water firstly flows through the data center water pump heat pump and then flows to the closed cooling tower (5), part of heat is dissipated to the cooling water through the closed cooling tower (5), and then flows through the common room water loop heat pump (2).
2. The running system of the water ring heat pump air conditioning system based on the data center according to claim 1, wherein the series-parallel switching structure (17) comprises a three-way valve I (6) arranged at the water inlet end of the water ring heat pump (1) of the data center and a three-way valve II (7) arranged at the water outlet end of the water ring heat pump (1) of the data center, one end of the three-way valve I (6) is connected with a circulation loop, the other end of the three-way valve I (6) is connected with the water inlet end of the water ring heat pump (1) of the data center, and the remaining end of the three-way valve I (6) is connected with a circulation main path; one end of the three-way valve II (7) is connected with the water outlet end of the water ring heat pump (1) of the data center, the other end of the three-way valve II (7) is connected to the circulation main circuit, and the remaining end of the three-way valve II (7) is connected with the water outlet ends of the water ring heat pumps (2) of all the common rooms in parallel on the circulation circuit.
3. The operation system of the water ring heat pump air conditioning system based on the data center according to claim 2, wherein the first on-off structure (18) comprises a stop valve I (8) arranged on a circulation main path, two ends of the closed cooling tower (5) are respectively connected on the circulation main path and positioned at two ends of the stop valve I (8), one end of the closed cooling tower (5) is connected with the circulation main path through a stop valve VI (13), and the other end of the closed cooling tower is connected with the circulation main path through a stop valve VII (14).
4. A data center-based water ring heat pump air conditioning system operation system according to claim 3, wherein the second switching structure (19) comprises a stop valve ii (9) arranged on the circulation main path, two ends of the heating device (4) are respectively connected to the circulation main path and positioned at two ends of the stop valve ii (9), one end of the heating device (4) is connected with the circulation main path through a stop valve iv (11), and the other end is connected with the circulation main path through a stop valve v (12).
5. The operation system of the water-loop heat pump air-conditioning system based on the data center according to claim 4, wherein the third breaking structure (20) comprises a stop valve III (10) arranged on the circulation loop, two ends of the closed cooling tower (5) are respectively connected on the circulation loop and positioned at two ends of the stop valve III (10), one end of the closed cooling tower (5) is connected with the circulation loop through a stop valve VIII (15), and the other end of the closed cooling tower is connected with the circulation loop through a stop valve IX (16).
6. The water ring heat pump air conditioning system based on the data center according to claim 5, wherein in the step A, the data center water ring heat pump (1) is respectively connected with each data center water ring heat pump (1) in parallel by adjusting the three-way valve I (6) and the three-way valve II (7), and the state of the stop valves is that the stop valve I (8) is opened, the stop valve II (9) is opened, the stop valve III (10) is closed, the stop valve IV (11) is closed, the stop valve V (12) is closed, the stop valve VI (13) is closed, the stop valve VII (14) is closed, the stop valve VIII (15) is opened and the stop valve IX (16) is opened.
7. The data center-based water ring heat pump air conditioning system according to claim 5, wherein in the step B, when the heat dissipation capacity of the data center water ring heat pump (1) is equal to the heat demand capacity of the normal room water ring heat pump (2), the data center water ring heat pump (1) is connected in series with the normal room water ring heat pump (2) by adjusting the three-way valve i (6) and the three-way valve ii (7), and the state of the stop valves is that the stop valve i (8) is opened, the stop valve ii (9) is opened, the stop valve iii (10) is opened, the stop valve iv (11) is closed, the stop valve v (12) is closed, the stop valve vi (13) is closed, the stop valve vii (14) is closed, the stop valve viii (15) is closed, and the stop valve ix (16) is closed.
8. The data center-based water ring heat pump air conditioning system according to claim 5, wherein in the step B, when the heat dissipation capacity of the data center water ring heat pump (1) is smaller than the heat demand capacity of the normal room water ring heat pump (2), the data center water ring heat pump (1) is connected in series with the normal room water ring heat pump (2) by adjusting the three-way valve i (6) and the three-way valve ii (7), and the state of the stop valves is that the stop valve i (8) is opened, the stop valve ii (9) is closed, the stop valve iii (10) is opened, the stop valve iv (11) is opened, the stop valve v (12) is opened, the stop valve vi (13) is closed, the stop valve vii (14) is closed, the stop valve viii (15) is closed, and the stop valve ix (16) is closed.
9. The data center-based water ring heat pump air conditioning system according to claim 5, wherein in the step B, when the heat dissipation capacity of the data center water ring heat pump (1) is larger than the heat demand capacity of the normal room water ring heat pump (2), the data center water ring heat pump (1) is connected in series with the normal room water ring heat pump (2) by adjusting the three-way valve i (6) and the three-way valve ii (7), and the state of the stop valves is that the stop valve i (8) is closed, the stop valve ii (9) is opened, the stop valve iii (10) is opened, the stop valve iv (11) is closed, the stop valve v (12) is closed, the stop valve vi (13) is opened, the stop valve vii (14) is opened, the stop valve viii (15) is closed, and the stop valve ix (16) is closed.
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