CN113179610B - Data center system built near pump station and integrating refrigeration and heat supply - Google Patents

Data center system built near pump station and integrating refrigeration and heat supply Download PDF

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CN113179610B
CN113179610B CN202110259619.4A CN202110259619A CN113179610B CN 113179610 B CN113179610 B CN 113179610B CN 202110259619 A CN202110259619 A CN 202110259619A CN 113179610 B CN113179610 B CN 113179610B
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data center
water
gas
heat
storage tank
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CN113179610A (en
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高超丹
叶智
李焕龙
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Huadian Electric Power Research Institute Co Ltd
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Huadian Electric Power Research Institute Co Ltd
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20718—Forced ventilation of a gaseous coolant
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20836—Thermal management, e.g. server temperature control

Abstract

The invention discloses a data center system which is built near a pump station and integrates refrigeration and heat supply, comprising CO2Production system, cold and hot cogeneration system, data center computer lab and pump station. On one hand, the invention can utilize the advantage that the built water pump station can promote the water potential energy by itself, the high potential energy water impacts the water turbine to drive the compressor to do work, and on the other hand, the water flow after doing work can be used as a working medium for secondary heat dissipation of the data center; simultaneously realizes the cyclic utilization of substances and the generation of O by the photosynthesis of the microalgae in the daytime2Can be used for breathing at night and the CO produced at night2Can be used as reactant for photosynthesis in daytime. The microalgae can produce CO by night respiration2The heat generated by the data center can be effectively utilized to supply heat to users, and the expanded low-temperature exhaust gas can supply cold to the users, so that the cascade utilization of the waste heat is realized.

Description

Data center system built near pump station and integrating refrigeration and heat supply
Technical Field
The invention relates to a data center system which is built near a pump station and integrates refrigeration and heat supply, belonging to the technical field of energy conservation, emission reduction and new energy.
Background
With the rapid development of the electronic information industry, the development of data centers is also entering a new stage. Particularly, the data center industry is advocated vigorously to meet new development peaks, and at present, the data center needs to be cooled all year round to maintain constant indoor temperature while strengthening basic management, thereby bringing huge power consumption and electricity charge. According to statistics, the energy consumption of the refrigeration and air-conditioning equipment in the data center machine room accounts for about 40% of the total energy consumption, and the heat discharged by the data center is not effectively utilized, so that the great waste is also caused. The method of using local environment to dissipate heat in a data center is a method of people's interest.
From the perspective of adjusting energy structures, new energy accounts for a greater proportion of social energy structures, and renewable energy such as wind energy, solar energy, hydroenergy, biomass energy and the like are particularly concerned by people at present, such as application of microalgae in energy. Photosynthesis of plants (microalgae) can fix a large amount of carbon dioxide, and the invention patent application No. 201810204218.7 discloses cogeneration using photosynthesis of microalgae. While the respiration of plants (microalgae) will produce large amounts of CO in response to photosynthesis2Utilizing this portion of CO2The method also has important significance for carbon emission reduction. Meanwhile, carbon dioxide as a safe and environment-friendly refrigerant has been increasingly received by scholars at home and abroadThe method has wide application prospect and considerable economic value in the refrigeration and heating fields.
Based on the data center system, the invention provides a data center system which is built near a pump station and integrates refrigeration and heat supply.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a data center system which is built near a pump station and integrates refrigeration and heat supply, and the data center system has reasonable design, can utilize the advantage that the built pump station can improve the water potential energy, and can effectively utilize CO generated by the respiration of microalgae2And the method is environment-friendly and harmless, and accords with the current energy-saving and emission-reducing policy. In addition, the system can capture CO with low cost and low energy consumption2And then recycled.
The technical scheme adopted by the invention for solving the problems is as follows: a data center system built near a pump station and integrating refrigeration and heat supply is characterized by comprising CO2Production system, cold and hot cogeneration system, data center computer lab and pump station.
The CO is2The production system comprises a microalgae culture tank and an O2Tank and CO2A gas storage tank; the microalgae culture tank is provided with a gas input port, a gas output port and a culture solution input port, wherein the gas input port comprises O2Input port and CO2An input port, the gas output port comprising CO2Outlet and O2An output port; o of the microalgae culture tank2Output port and O2Inlet connection of the tank, O2Gas outlet of tank and O of microalgae culture tank2The input port is connected; CO of the microalgae culture tank2Delivery outlet and CO2Air inlet connection of the gas storage tank, CO2The air outlet of the air storage tank is divided into two paths, wherein one path is connected with CO of the microalgae culture tank2The input ports are connected, and the other path is accessed to the data center machine room;
furthermore, the microalgae used in the microalgae culture tank is saline algae (the saline algae can be taken from large and small salt lakes in the plateau desert in the middle and west) which can grow in industrial strong brine, and fresh water algae (such as chlorella) in a water source near a water pump station can also be selected; therefore, the microalgae culture in the invention can be carried out near a water pump station and also can be carried out in extreme environments such as barren plateau desert and the like;
furthermore, the microalgae culture method can be selected in the zones with rich water resources, and can also consider the plateau zones with sufficient wind resources and illumination.
The radiating pipe network of the data center machine room is divided into a main path and a bypass, and an input port of the main path and the CO are connected2The air outlet of the air storage tank is connected, and the output port of the main path is connected with the energy storage tank; an input port of the bypass is connected with a pump station, and an output port of the bypass is connected with a culture solution input port of the microalgae culture tank;
the combined cooling and heating system comprises an energy storage tank, a compressor, a water turbine, a heat exchanger, an expansion valve and a cold storage tank; an input port of the energy storage tank is connected with an output port of a radiating pipe network main path of the data center machine room, and an output port of the energy storage tank is connected with the compressor; the gas output port of the compressor is connected with the heat exchanger, and the power input end of the compressor is coaxially connected with the power output end of the water turbine; the input ports of the heat exchanger comprise a gas input port and a water input port, the output port of the heat exchanger comprises a gas output port and a water output port, the gas input port of the heat exchanger is connected with the gas output port of the compressor, the gas output port of the heat exchanger is connected with the expansion valve, and the water input port and the water output port of the heat exchanger are connected to a district heat supply pipe network or an urban municipal heat supply network; the outlet of the expansion valve is divided into two branches, wherein the first branch joins the CO2A gas output port of the gas storage tank is connected with a main path input port of a radiating pipe network of the data center machine room, and a second branch is connected with a cold storage tank; the input port of cold accumulation jar includes gas input port and water input port, the delivery outlet of cold accumulation jar includes gas delivery outlet and water delivery outlet, the gas input port of cold accumulation jar with the delivery outlet of expansion valve is connected, the gas delivery outlet and the CO of cold accumulation jar2The gas outlet of the gas storage tank and the gas outlet of the expansion valve are merged and then connected into the data center machine roomA radiating pipe network main path input port;
further, the energy storage medium in the energy storage tank can be water taken from a nearby water source, and can also be air, steam, heat conduction oil and the like; the heat source of the energy storage medium can be electric heating, solar photo-thermal and the like;
furthermore, the pump station can utilize a built water pump station, the pump of the pump station extracts water to a high position, the water with high potential energy impacts a water turbine, and the water turbine drives a compressor to input CO2Compressing, wherein the water flow output end of the water turbine is connected to a radiating pipe network bypass of the data center machine room; the pump, the water turbine and the compressor of the pump station are coaxially connected;
furthermore, two branches of the outlet of the expansion valve are provided with a three-way valve; in winter, the branch valve of the expansion valve connected to the cold storage tank is closed; in hot summer, two branch valves at the outlet of the expansion valve are opened.
The working method of the data center system which is built near the pump station and integrates refrigeration and heat supply is divided into two processes according to working medium flow, and the working method specifically comprises the following steps:
1.CO2the production process comprises the following steps:
in the daytime, the microalgae can produce O by photosynthesis2Is stored in O2In a tank; night O2O of tank2The reactant enters the microalgae culture tank to be used as a breathing reactant, and CO is generated by the respiration of the microalgae2One part of the reactant enters the microalgae culture tank to be used as a reactant for photosynthesis, and the other part of the reactant is mixed with CO from an expansion valve and an outlet of the cold accumulation tank2Mixed to form low temperature CO2And the gas enters the input port of the main path of the radiating pipe network of the data center machine room and takes away heat generated by the machine room server.
When summer is hot, a radiating pipe network bypass valve of the data center machine room must be opened, and low-temperature water after impacting a water turbine flows through a radiating pipe network bypass of the data center machine room to carry out secondary heat radiation on the data center machine room; the reason is that the valves of two branches at the outlet of the expansion valve are opened in summer, and the CO at the outlet part of the expansion valve2Enter a cold accumulation tankCooling the user, this part of CO2The temperature will rise, resulting in mixed CO entering the main circuit of the heat dissipation pipe network of the data center machine room2The gas temperature is also higher, and summer ambient temperature is higher, and the heat dissipation of data center computer lab is comparatively difficult. The temperature is lower in winter, the bypass valve of the heat dissipation pipe network of the data center machine room can not be opened, the natural cooling effect is realized on the machine room due to the winter environment, and the bypass valve of the expansion valve connected to the cold storage tank is closed, so that CO mixed into the main pipeline of the heat dissipation pipe network of the data center machine room2The temperature is relatively low, and the heat dissipation of the machine room is easier.
2. And (3) cold and hot double supply:
CO from heat dissipation pipe network main path output port of data center machine room2Enters an energy storage tank and exchanges heat with the energy storage medium absorbing the solar heat to form CO at 350 DEG C2Followed by medium temperature CO2After being compressed by a compressor, CO of 700 ℃ and 30Mpa is formed2High temperature and high pressure CO2The water enters a heat exchanger to exchange heat with low-temperature water in a heat supply network so as to supply heat to a residential area or an urban heat supply network; CO after heat exchange2The exhaust gas enters an expansion valve to do work, the low-temperature and low-pressure exhaust gas after doing work is divided into two branches, wherein the gas and CO output by the first branch2CO output from gas storage tank2Mixing the mixture and entering the input port of the heat dissipation pipe network main path of the data center machine room, and CO of the second branch path2The CO enters the cold storage tank to exchange heat with the working medium in the cold supply pipe network to supply cold for the residential area or town, and the CO is output by the cold storage tank2A first branch of the expansion valve and CO2CO output from gas storage tank2And mixing and then entering a data center machine room.
Furthermore, the pump station lifts water from a low position to a high position, the water with high potential energy impacts the water turbine, the water turbine drives the compressor to do work through the power input end of the compressor, and meanwhile the water with high potential energy enters the radiating pipe network bypass of the data center machine room through the water output end of the water turbine after doing work to perform secondary heat radiation on the machine room server;
further, the energy storage medium in the energy storage tank can also be water, air or steam and the like taken from a nearby water source; the heat source of the energy storage medium can also be electric heating or other heat sources, such as solar energy, wind energy, biomass energy and the like;
further, CO output from the compressor2The heat supply is not limited to a district or town heat network, but can also be provided for other devices, equipment and the like needing heat sources; the same is true of the cold supply of the cold accumulation tank;
furthermore, the data center system is not only built near a water pump station, but also can be built at a position with sufficient wind resources or illumination according to local conditions, such as a wind pump station and a solar pump station, so that wind energy and solar energy are fully utilized.
Compared with the prior art, the invention has the following advantages and effects:
on one hand, the invention can utilize the advantage that the built water pump station can promote the water potential energy by itself, the high potential energy water impacts the water turbine to drive the compressor to do work, on the other hand, the water flow after doing work can be used as a working medium for secondary heat dissipation of the data center, and the invention is environment-friendly and harmless; in addition, the microalgae can produce CO through night respiration2Stored as a heat dissipation working medium of a data center machine room, can obviously reduce the sizes of a compressor and a system, enables the whole system to be very compact, and has CO2The exhaust temperature is higher, can obtain higher hot water for the user's heat supply to compare other refrigerant, showing and having reduced greenhouse effect and ozone layer and destroying.
The invention realizes the cyclic utilization of substances and the generation of O by the photosynthesis of the microalgae in the daytime2Can be used for breathing at night and produce CO at night2Can be used as reactant for photosynthesis in daytime. In addition, the invention can effectively utilize the heat generated by the data center to supply heat for users, and the expanded low-temperature exhaust gas can supply cold for the users, thereby realizing the cascade utilization of the waste heat.
Meanwhile, the heat source of the energy storage tank is suitable, and different forms of heat sources such as solar energy, wind energy, electric energy and the like are selected, so that the energy storage tank is clean and environment-friendly.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic structural view of a comparative example of the present invention.
In the drawings: microalgae culture tank 1, O2 Tank 2, CO2The system comprises an air storage tank 3, a data center machine room 4, an energy storage tank 5, a pump station 6, a compressor 7, a water turbine 8, a heat exchanger 9, an expansion valve 10, a cold storage tank 11, a trough type solar heat collector 12 and an air conditioning system 13.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1, in this embodiment, a data center system with integrated cooling and heating functions built near a pumping station includes CO2The system comprises a production system, a combined cooling and heating system, a data center machine room 4 and a pump station 6.
CO2The production system comprises a microalgae culture tank 1 and an O2Tank 2 and CO2A gas storage tank 3; the microalgae culture tank 1 is provided with a gas inlet, a gas outlet and a culture solution inlet, wherein the gas inlet comprises O2Input port and CO2An input port and a gas output port comprising CO2Outlet and O2An output port; o of microalgae culture tank 12Outlet and O2Inlet connection of tank 2, O2The gas outlet of the tank 2 and the O of the microalgae culture tank 12The input port is connected; CO of microalgae culture tank 12Delivery port and CO2Air inlet connection of the air reservoir 3, CO2The air outlet of the air storage tank 3 is divided into two paths, wherein one path is connected with CO of the microalgae culture tank 12The input ports are connected, and the other path is connected to a data center machine room 4;
specifically, the culture solution used by the microalgae culture tank 1 is prepared by urban sewage and nearby water sources, and each liter of the culture solution contains NaHCO3(4.5g)、MgSO4(0.2g)、NaNO3(1.5g)、CaCl2(0.04g)、FeSO4(0.01g)、K2SO4(1.0g)；
Specifically, the microalgae used in the microalgae culture tank 1 is saline algae (the saline algae can be taken from large and small salt lakes in the plateau desert in the middle and west) which can grow in industrial strong brine, and fresh water algae (such as chlorella) in a water source near a water pump station can also be selected; therefore, the microalgae culture in the invention can be carried out near a water pump station and also can be carried out in extreme environments such as barren plateau desert and the like;
specifically, microalgae culture can be selected in a zone with rich water resources, and a plateau zone with sufficient wind resources and illumination can be considered.
The radiating pipe network of the data center machine room 4 is divided into a main path and a bypass, and the input port of the main path and the CO are connected2The air outlet of the air storage tank 3 is connected, and the output port of the main path is connected with the energy storage tank 5; the input port of the bypass is connected with the pump station 6, and the output port of the bypass is connected with the culture solution input port of the microalgae culture tank 1;
the combined cooling and heating system comprises an energy storage tank 5, a compressor 7, a water turbine 8, a heat exchanger 9, an expansion valve 10 and a cooling storage tank 11; an input port of the energy storage tank 5 is connected with an output port of a radiating pipe network main path of the data center machine room 4, and an output port of the energy storage tank 5 is connected with the compressor 7; the gas output port of the compressor 7 is connected with the heat exchanger 9, and the power input end of the compressor 7 is coaxially connected with the power output end of the water turbine 8; the input ports of the heat exchanger 9 comprise a gas input port and a water input port, the output port of the heat exchanger 9 comprises a gas output port and a water output port, the gas input port of the heat exchanger 9 is connected with the gas output port of the compressor 7, the gas output port of the heat exchanger 9 is connected with the expansion valve 10, and the water input port and the water output port of the heat exchanger 9 are connected to a district heat supply pipe network or an urban municipal heat supply network; the outlet of the expansion valve 10 is divided into two branches, the first of which merges CO2A gas output port of the gas storage tank 3 is connected to a main input port of a radiating pipe network of the data center machine room 4, and a second branch is connected to the cold storage tank 11; the input ports of the cold accumulation tank 11 comprise a gas input port and a water input port, the output port of the cold accumulation tank 11 comprises a gas output port and a water output port, the gas input port of the cold accumulation tank 11 is connected with the output port of the expansion valve 10, and the gas output port of the cold accumulation tank 11 is connected with the CO2A gas outlet of the gas storage tank 3 and a gas outlet of the expansion valve 10 are merged and then connected to a main pipeline inlet of a radiating pipe network of the data center machine room 4;
specifically, the energy storage tank 5 is connected with the trough-type solar thermal collector 12, the energy storage medium in the energy storage tank 5 is heat conduction oil, and the heat source of the energy storage medium comes from heat collection of the trough-type solar thermal collector 12;
specifically, the pump station 6 can utilize an established water pump station, the pump of the pump station 6 extracts water to a high position, the water with high potential energy impacts the water turbine 8, and the water turbine 8 drives the compressor 7 to input CO2Compressing, wherein the water flow output end of the water turbine 8 is connected to a radiating pipe network bypass of the data center machine room 4; the pump of the pump station 6, the water turbine 8 and the compressor 7 are coaxially connected;
specifically, two branches at the outlet of the expansion valve 10 are provided with a three-way valve; in winter, the branch valve of the expansion valve 10 connected to the cold storage tank 11 is closed; in hot summer, the two branch valves at the outlet of the expansion valve 10 are both opened.
The working method of the data center system which is built near the pump station and integrates refrigeration and heat supply is divided into two processes according to working medium flow, and the working method specifically comprises the following steps:
1.CO2the production process comprises the following steps:
in the daytime, the microalgae can produce O by photosynthesis2Is stored in O2In tank 2; night O2O of tank 22Enters the microalgae culture tank 1 as a reactant for respiration, and generates CO by respiration of microalgae2One part of the reactant enters the microalgae culture tank 1 as the reactant of photosynthesis, and the other part of the reactant is connected with CO from the outlet of the expansion valve 10 and the cold accumulation tank 112Mixed to form low temperature CO2And the gas enters the input port of the main path of the radiating pipe network of the data center machine room 4 to take away heat generated by the machine room server.
When summer is hot, a radiating pipe network bypass valve of the data center machine room 4 must be opened, and low-temperature water after impacting the water turbine 8 flows through a radiating pipe network bypass of the data center machine room 4 to carry out secondary heat radiation on the data center machine room 4; this is because the valves of the two branches at the outlet of the expansion valve 10 are both opened in summer, and the CO at the outlet of the expansion valve 10 is partially condensed2Enters a cold accumulation tank 11 to supply cold for users, and the CO is2The temperature will rise, resulting in a mixed CO entering the main circuit of the heat dissipation network of the data centre room 42The gas temperature is also higher, and in addition, the summer environment temperature is higher, and the heat dissipation of the data center machine room 4 is higherIt is difficult. The temperature is lower in winter, the bypass valve of the heat dissipation pipe network of the data center machine room 4 can not be opened, because the winter environment has natural cooling effect on the machine room, and the branch valve of the expansion valve 10 connected to the cold storage tank 11 is closed, so that CO mixed into the main path of the heat dissipation pipe network of the data center machine room 42The temperature is relatively low, and the heat dissipation of the machine room is easier.
2. And (3) cold and hot double supply:
CO from heat dissipation pipe network main path output port of data center machine room 42Enters an energy storage tank 5 and exchanges heat with the energy storage medium absorbing the solar heat to form CO at 350 DEG C2Followed by medium temperature CO2After passing through a compressor 7, CO of 700 ℃ and 30Mpa is formed2High temperature and high pressure CO2The water enters a heat exchanger 9 to exchange heat with low-temperature water in a heat supply network so as to supply heat to a residential area or an urban heat supply network; CO after heat exchange2The exhaust gas enters an expansion valve 10 to do work, and the low-temperature and low-pressure exhaust gas after doing work is divided into two branches, wherein the gas and CO output by the first branch2CO output from the gas storage tank 32Mixed and enters the input port of the main path of the radiating pipe network of the data center machine room 4, and CO of the second branch path2The CO enters the cold storage tank 11 to exchange heat with the working medium in the cooling pipe network to supply cold for the residential area or town, and the CO is output by the cold storage tank 112First branch of expansion valve 10 and CO2CO output from the gas storage tank 32And mixing and entering a data center machine room 4.
Specifically, the pump station 6 lifts water from a low position to a high position, the high-potential water strikes the water turbine 8, the water turbine 8 drives the compressor 7 to do work through the power input end of the compressor 7, and meanwhile the high-potential water enters the radiating pipe network bypass of the data center machine room 4 through the water output end of the water turbine 8 after doing work to perform secondary heat radiation on the machine room server;
in particular, CO output by the compressor 72The heat supply is not limited to a district or town heat network, but can also be provided for other devices, equipment and the like needing heat sources; the same applies to the cooling of the cold storage tank 11;
specifically, the data center system is not only limited to be built near a water pump station, but also can be built at a position with sufficient wind resources or illumination according to local conditions, such as a wind pump station and a solar pump station, and wind energy and solar energy are fully utilized.
Comparative example.
The cooling working medium in the bypass of the heat dissipation pipe network of the data center machine room 4 in the above embodiment is changed into R134a refrigerant, the bypass is externally connected with an independent air-conditioning and refrigeration system 13, and is supplied by an external power supply, and other devices are unchanged, so as to serve as a comparative example, see fig. 2.
The operation states of the summer hot season example and the comparative example are simulated, and firstly, the simulation calculation conditions are assumed:
the environmental temperature and the pressure are respectively 30 ℃ and 0.10 MPa; CO 22CO output from the gas storage tank 32The flow is measured to be 25kg/s and enters a main path of a heat dissipation pipe network of a data center machine room 4;
the heat source of the energy storage tank 5 is solar energy photo-thermal, a parabolic trough type solar heat collector used in a Hua-Zhongke solar energy test base is selected, the geometric light concentration ratio is 91, and DOTTERMA is selected as a heat transfer medium for heat transfer oil;
the total rated power of the data center is 250kw, and the heating value per unit time is about 43%.
The simulation parameter settings are shown in table 1.
TABLE 1 basic cycle parameters of the System
Circulation parameter Comparative example Examples
Gas cylinder pressure, temperature (MPa, DEG C) 3、25 3、25
Compressor dischargeMouth pressure, temperature (MPa, DEG C.) 30、700 30、700
Heat exchanger outlet pressure, temperature (Mpa,. degree.C.) 10、150 10、150
Expansion valve outlet pressure, temperature (Mpa, ° c) 3、-5 3、-5
Pressure and temperature (MPa, DEG C) at outlet of cold storage tank 3、25 3、25
Hydraulic turbine efficiency (%) 90 90
Bypass water flow of radiating pipe network of machine room (kg/s) / 50
In order to comprehensively and reasonably evaluate the system performance, the system performance is analyzed by adopting the thermal efficiency based on the first law of thermodynamics, and the finally obtained system thermodynamic performance is as shown in the following table 2:
TABLE 2 comparison of thermal properties
Comparative example Examples
Electric energy consumption of air-conditioning system (KW h) 95 0
Solar energy input heat value (KW) 50 50
Output power (KW) 104 104
Efficiency of System (%) 52.3 67.5
Note: table 2 the formula is calculated: the system thermal efficiency is the system output work/(coal water slurry input heat value + solar energy input heat value + electric energy consumption).
As can be seen from table 2 above, under the simulation conditions, the output power is unchanged, and the power consumption of the air conditioning system in the comparative example is obviously more, 95KW · h, resulting in a reduction in thermal efficiency of 52.3%.
The fundamental reason for analyzing the obvious improvement of the system efficiency of the embodiment is as follows: in the embodiment, the working medium in the bypass of the radiating pipe network of the data center machine room 4 is water flow after impacting the water turbine 8, and in the comparative example, a separate air conditioning system 13 is adopted, obviously, the power consumption is obviously increased obviously, and the efficiency is reduced.
In conclusion, the invention has good system thermodynamic performance and economic benefit and obvious energy-saving effect.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.

Claims (6)

1. A data center system built near a pump station and integrating refrigeration and heat supply is characterized by comprising CO2The system comprises a production system, a combined cooling and heating system, a data center machine room (4) and a pump station (6);
the CO is2The production system comprises a microalgae culture tank (1) and an O2Tank (2) and CO2A gas tank (3); the microalgae culture tank (1) is provided with a gas input port, a gas output port and a culture solution input port, wherein the gas input port comprises O2Input port and CO2An input port, the gas output port comprising CO2Outlet and O2An output port; o of the microalgae culture tank (1)2Outlet and O2Inlet connection of tank (2), O2The gas outlet of the tank (2) and the O of the microalgae culture tank (1)2The input port is connected; CO of the microalgae culture tank (1)2Delivery port and CO2The air inlet of the air storage tank (3) is connected with the CO2The air outlet of the air storage tank (3) is divided into two paths, wherein one path is connected with the CO of the microalgae culture tank (1)2The input ports are connected, and the other path is accessed to the data center machine room (4);
the radiating pipe network of the data center machine room (4) is divided into a main path and a bypass, and an input port of the main path and the CO are connected2The air outlet of the air storage tank (3) is connected; the input port of the bypass is connected with a pump station (6), and the output port of the bypass is connected with the culture solution input port of the microalgae culture tank (1);
the combined cooling and heating system comprises an energy storage tank (5), a compressor (7) and a water turbine(s)8) The heat exchanger (9), the expansion valve (10) and the cold accumulation tank (11); an input port of the energy storage tank (5) is connected with an output port of a heat dissipation pipe network main path of the data center machine room (4), and an output port of the energy storage tank (5) is connected with the compressor (7); the gas output port of the compressor (7) is connected with the heat exchanger (9), and the power input end of the compressor (7) is coaxially connected with the power output end of the water turbine (8); the input ports of the heat exchanger (9) comprise a gas input port and a water input port, the output port of the heat exchanger (9) comprises a gas output port and a water output port, the gas input port of the heat exchanger (9) is connected with the gas output port of the compressor (7), the gas output port of the heat exchanger (9) is connected with the expansion valve (10), and the water input port and the water output port of the heat exchanger (9) are connected to a district heat supply pipe network or an urban municipal heat supply network; the outlet of the expansion valve (10) is divided into two branches, wherein the first branch joins the CO2A gas outlet of the gas storage tank (3) is connected to a heat radiation pipe network main path input port of the data center machine room (4), and a second branch is connected to a cold storage tank (11); the input port of cold-storage tank (11) includes gas input port and water input port, the delivery outlet of cold-storage tank (11) includes gas delivery outlet and water delivery outlet, the gas input port of cold-storage tank (11) with the delivery outlet of expansion valve (10) is connected, the gas delivery outlet and the CO of cold-storage tank (11)2And a gas output port of the gas storage tank (3) and a gas output port of the expansion valve (10) are merged and then connected to a main path input port of a heat dissipation pipe network of the data center machine room (4).
2. The data center system with integrated refrigeration and heat supply built near the pump station as claimed in claim 1, wherein the microalgae are cultivated in a zone with rich water resources or a plateau zone with sufficient wind resources and illumination; the pump station (6) utilizes an established water pump station, and the water flow output end of the water turbine (8) is connected to a radiating pipe network bypass of the data center machine room (4); the pump of the pump station (6), the water turbine (8) and the compressor (7) are coaxially connected; two branches at the outlet of the expansion valve (10) are provided with a three-way valve; in winter, the branch valve of the expansion valve (10) connected to the cold storage tank (11) is closed; in summer, two branch valves at the outlet of the expansion valve (10) are both opened.
3. The integrated cooling and heating data center system built near a pump station according to claim 1, wherein the microalgae photosynthesize to produce O in the presence of sunlight in the daytime2Is stored in O2In the tank (2); night O2O of tank (2)2Enters the microalgae culture tank (1) to be used as a reactant for respiration, and CO generated by respiration of the microalgae2One part of the water enters the microalgae culture tank (1) as a reactant for photosynthesis, and the other part of the water enters the CO from the expansion valve (10) and the cold accumulation tank (11) as the output ports2Mixed to form low temperature CO2The gas enters the input port of the main path of the radiating pipe network of the data center machine room (4) and takes away heat generated by the machine room server.
4. The data center system which is built near a pump station and integrates refrigeration and heat supply into a whole according to claim 3, wherein in summer, a radiating pipe network bypass valve of a data center machine room (4) is opened, and low-temperature water which impacts a water turbine (8) flows through a radiating pipe network bypass of the data center machine room (4) to perform secondary heat dissipation on the data center machine room (4); in winter, the bypass valve of the radiating pipe network of the data center machine room (4) is not opened.
5. The integrated cooling and heating data center system built near the pump station according to claim 3 or 4, characterized in that the CO from the output port of the main path of the heat dissipation pipe network of the data center machine room (4)2Enters an energy storage tank (5) and exchanges heat with the energy storage medium absorbing the solar heat to form CO at 350 DEG C2Followed by medium temperature CO2CO of 700 ℃ and 30Mpa is formed after passing through a compressor (7)2High temperature and high pressure CO2Enters a heat exchanger (9) to exchange heat with low-temperature water in a heat supply network to supply power to a community or urban heat supply networkWarming; CO after heat exchange2The exhaust gas enters an expansion valve (10) for acting, and the low-temperature and low-pressure exhaust gas after acting is divided into two branches, wherein the gas and CO output by the first branch2CO output by the gas storage tank (3)2Mixed and enters a radiating pipe network main path input port of a data center machine room (4), and CO of a second branch path2The CO enters the cold storage tank (11) to exchange heat with working media in a cooling pipe network to supply cold for a district or a town, and the CO is output by the cold storage tank (11)2A first branch with an expansion valve (10) and CO2CO output by the gas storage tank (3)2And the mixture enters a data center machine room (4).
6. The data center system which integrates refrigeration and heat supply and is built near a pump station according to claim 5, characterized in that the energy storage medium in the energy storage tank (5) is taken from water of a nearby water source or is taken from air, steam or heat conduction oil; pump station (6) are carried water to the eminence from the low, and water impact hydraulic turbine (8) of high potential energy, and power input end through compressor (7) of hydraulic turbine (8) drives compressor (7) and does work, and the water output end through hydraulic turbine (8) gets into the heat dissipation pipe network bypass of data center computer lab (4) behind the water of high potential energy does work simultaneously, carries out the secondary heat dissipation to the computer lab server.
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