CN114739113A - Thermal management system and method - Google Patents
Thermal management system and method Download PDFInfo
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- CN114739113A CN114739113A CN202210671245.1A CN202210671245A CN114739113A CN 114739113 A CN114739113 A CN 114739113A CN 202210671245 A CN202210671245 A CN 202210671245A CN 114739113 A CN114739113 A CN 114739113A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
- F25D31/005—Combined cooling and heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention provides a heat management system and a heat management method, which belong to the technical field of energy management, wherein the cooling system comprises a cooling tower, a ground source heat pump and a water cooling unit which are communicated step by step through pipelines, and all levels of equipment participating in refrigeration are selected based on preset priority and preset cold water temperature; the inlet of the cooling system is communicated with the outlet of the pipeline for cooling the equipment; the heat collection system comprises a device waste heat recovery pipeline, a solar auxiliary heating device and a ground source heat pump auxiliary heating device which are communicated step by step through pipelines, and all levels of devices for waste heat recovery and auxiliary heating are selected based on preset hot water temperature; an inlet of the heat collecting system is communicated with an outlet of a pipeline for cooling equipment; and the cold water cooled by the cooling system returns to a pipeline inlet for equipment cooling through a pipeline, the hot water meeting the preset hot water temperature in the heat collection system is transmitted to an area to be heated for heat release, and the cooled water after heat release is input to the cooling system through the pipeline.
Description
Technical Field
The invention belongs to the technical field of energy management, and particularly relates to a thermal management system and a thermal management method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The inventor finds that in the daily production and manufacturing of the hydrogen production factory, on one hand, a large amount of heat can be generated along with the operation of equipment, and is usually released through the cooling treatment of some heat dissipation equipment, so that the waste of energy is generated; on the other hand, in some production links, some water chilling units (such as a hydrogenation link) or coolers are required to be used for actively cooling (such as a hydrogen purification link), cooling water can absorb certain heat in the cooling link, meanwhile, some extra products (water and steam) can be generated in the production process, the extra products can be generally taken as waste to be discharged, and the existing energy is wasted; how to reasonably utilize the wasted energy does not have a relatively reasonable and real-time simple technical scheme at present.
Disclosure of Invention
In order to solve the problems, the invention provides a heat management system and a heat management method, the scheme is based on the cooperative matching of a cooling system and a heat collection system, energy wasted in a factory for a long time is reasonably and effectively utilized, and meanwhile, new energy consumption is effectively reduced by adopting a multi-stage treatment mode in the processes of refrigeration and heating.
According to a first aspect of the embodiment of the invention, a heat management system is provided, which comprises a cooling system and a heat collection system, wherein the cooling system comprises a cooling tower, a ground source heat pump and a water cooling unit which are communicated step by step through pipelines, and all levels of equipment participating in refrigeration are selected based on preset cold water temperature and preset priority; the inlet of the cooling system is communicated with the outlet of the pipeline for cooling the equipment;
the heat collection system comprises a device waste heat recovery pipeline, a solar auxiliary heating device and a ground source heat pump auxiliary heating device which are communicated step by step through pipelines, and all levels of devices for waste heat recovery and auxiliary heating are selected by controlling the opening and closing of a valve and the starting and stopping of all auxiliary heating devices in the heat collection system based on the preset hot water temperature; an inlet of the heat collecting system is communicated with an outlet of a pipeline for cooling equipment; the pipeline for cooling the equipment is arranged in a high-temperature area to be radiated by the equipment, and industrial heat is recovered when cooling water passes through the pipeline;
and cold water cooled by the cooling system returns to a pipeline inlet for equipment cooling through a pipeline, hot water meeting the preset hot water temperature in the heat collection system is transmitted to an area to be heated to release heat, and the cooling water after heat release is input into the cooling system through the pipeline, so that the safety operation of required equipment is guaranteed.
Further, each level of equipment participating in refrigeration is selected based on preset priority, where the preset priority specifically is:
the first priority: only adopting a cooling tower for natural cooling; when the first priority is given, a radiator in the workshop is communicated with the cooling tower, cooling water after cooling and absorbing heat of the equipment is controlled to directly reach the cooling tower for refrigeration in summer, and cooling water after cooling and absorbing heat of the equipment is controlled to firstly pass through a heating radiator and then reach the cooling tower for refrigeration in winter;
the second priority is as follows: the cooling tower and the ground source heat pump are used for refrigerating cooperatively;
third priority: and the cooling tower, the ground source heat pump and the water cooling unit perform cooperative refrigeration.
Furthermore, the inlet of the cooling tower is communicated with the outlet of a pipeline for cooling equipment, a first valve is arranged between the cooling tower and the ground source heat pump, a second valve is arranged between the ground source heat pump and the water cooling unit, and the first valve and the second valve adopt multi-way valves.
Further, the first valve and the second valve are both communicated with a third valve through pipelines, and the third valve is communicated with a pipeline inlet for equipment cooling through a pipeline; the cooling tower is communicated with a pipeline outlet for equipment cooling through a pipeline.
Further, the solar auxiliary heating device is communicated with the ground source heat pump auxiliary heating device through a pipeline, and a valve is arranged on the solar auxiliary heating device; the solar auxiliary heating device is used for carrying out auxiliary heating when hot water entering the heat collecting system cannot reach a preset hot water temperature; the ground source heat pump auxiliary heating device is used for carrying out auxiliary heating in cooperation with the solar auxiliary heating device when the auxiliary heating power of the solar auxiliary heating device cannot meet the actual requirement.
According to a second aspect of the embodiments of the present invention, there is provided a thermal management method based on the above thermal management system, the method including: receiving temperature values measured by temperature sensors through the remote control platform, wherein the temperature sensors are arranged at inlets and outlets of various refrigeration equipment in the cooling system and various auxiliary heating equipment in the heat collection system; and issuing opening and closing control signals to valves at all levels, refrigeration equipment and auxiliary heating equipment based on the relationship between the temperature value and a preset threshold value.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides a heat management system and a heat management method, the scheme is based on the cooperative matching of a cooling system and a heat collection system, energy wasted in a factory for a long time is reasonably and effectively utilized, and meanwhile, new energy consumption is effectively saved by adopting a multi-stage processing mode in the processes of refrigeration and heating.
(2) The scheme of the invention aims at the problem that the refrigeration in the existing factory usually adopts a water cooling unit directly, so that the power consumption requirement is very large, the multi-stage refrigeration mode is realized through valve control according to the actual requirement of the cooling temperature, and under the condition of meeting the refrigeration requirement, the cooling system can be configured reasonably according to the actual requirement of factory production through the priority setting of the scheme, so that the energy can be reasonably utilized, and the energy consumption can be effectively reduced.
(3) According to the scheme, according to the actual heating requirement, if the requirement is lower than the heating power of photovoltaic power generation, the auxiliary heating is carried out only by utilizing the solar auxiliary heating device through valve control, and when the actual heating requirement cannot be met, the solar auxiliary heating device and the ground source heat pump auxiliary heating device are combined for use, and the solar auxiliary heating device is preferentially used; on one hand, the device can effectively utilize heat in the production process of equipment and is used for heating areas needing heating in a plant area; on the other hand, the solar auxiliary heating device and the ground source heat pump auxiliary heating device are cooperated, so that the heating cost of a plant area can be effectively reduced.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are included to illustrate an exemplary embodiment of the invention and not to limit the invention.
FIG. 1 is a schematic structural diagram of a thermal management system according to an embodiment of the present invention;
wherein, 1, a cooling system; 1-1, cooling tower; 1-2, a ground source heat pump; 1-3, a water cooling unit; 2. a heat collection system; 2-1, a photovoltaic heating auxiliary device; 2-2, a ground source heat pump auxiliary heating device; 3. waste heat of a factory; 4-1, a first valve; 4-2, a second valve, 4-3 and a third valve; 5-1, a first pipeline; 5-2, a second pipeline; 5-3, a third pipeline; 6. a line inlet for equipment cooling; 7. a line outlet for equipment cooling; 8. an inlet of a heat collection system; 9. an outlet of the heat collection system; 10. an inlet of a cooling system; 11. an outlet of the cooling system.
Detailed Description
The invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The first embodiment is as follows:
it is an object of the present embodiments to provide a thermal management system.
As shown in fig. 1, a thermal management system is shown, which includes a cooling system 1 and a heat collection system 2, where the cooling system 1 includes a cooling tower 1-1, a ground source heat pump 1-2, and a water chiller 1-3 that are connected in a stepwise manner through a pipeline, and on the basis of a preset cold water temperature and a preset priority, by controlling the opening and closing of a valve 4-1 and the valve 4-2 and the starting and stopping of each refrigeration device (including the cooling tower, the ground source heat pump, and the water chiller) in the cooling system 1, each level of devices participating in refrigeration is selected; the inlet 10 of the cooling system is communicated with the pipeline outlet 7 for equipment cooling;
the heat collection system 2 comprises an equipment waste heat recovery pipeline (comprising a pipeline for equipment cooling and factory waste heat 3), a solar auxiliary heating device 2-1 and a ground source heat pump auxiliary heating device 2-2 which are communicated step by step through pipelines, and all levels of equipment for waste heat recovery and auxiliary heating are selected by controlling the opening and closing of a valve (a valve between the solar auxiliary heating device 2-1 and the ground source heat pump auxiliary heating device 2-2) and the starting and stopping of each auxiliary heating device (comprising the solar auxiliary heating device 2-1 and the ground source heat pump auxiliary heating device 2-2) in the heat collection system based on the preset hot water temperature; an inlet 8 of the heat collecting system is communicated with a pipeline outlet 7 for cooling equipment; the pipeline for cooling the equipment is arranged in a high-temperature area to be radiated of the equipment (comprising power generation equipment, hydrogen production equipment and hydrogenation equipment), and industrial heat is recovered when cooling water passes through the pipeline; the power generation equipment, the hydrogen production equipment and the hydrogenation equipment are common equipment in the current hydrogen production plant, so the specific structure of the equipment is not described again.
The cold water cooled by the cooling system 1 returns to a pipeline inlet 6 for equipment cooling through a first pipeline 5-1, the hot water meeting the preset hot water temperature in the heat collection system 2 is transmitted to an area to be heated for heat release, and the cooled water after heat release is input to the cooling system 1 through a pipeline, so that the safety operation of required equipment is guaranteed.
Further, the areas to be heated are specifically workshops requiring hot water in the production process in the factory area, workshops requiring heating, staff dormitories and offices requiring heating, and the like, the heat generated in the production process can be effectively utilized through the areas to be heated, and extra energy consumption required for hot water supply in the production and heating of areas such as the staff dormitories or offices is effectively reduced.
Further, a cooling tower 1-1, a ground source heat pump 1-2 and a water cooling unit 1-3 in the cooling system participate in refrigeration, and the following priorities are adopted specifically under the condition of meeting refrigeration requirements:
the first priority: only adopting a cooling tower 1-1 for natural cooling; when the first priority is given, a pipeline outlet for cooling equipment in a workshop is communicated with a cooling tower 1-1, cooling water after cooling and absorbing heat of the equipment is controlled to directly reach the cooling tower 1-1 for refrigeration in summer, and cooling water after cooling and absorbing heat of the equipment is controlled to firstly pass through a heating radiator and then reach the cooling tower for refrigeration in winter;
the second priority is: the cooling tower 1-1 and the ground source heat pump 1-2 carry out cooperative refrigeration;
third priority: the cooling tower 1-1, the ground source heat pump 1-2 and the water cooling unit 1-3 perform cooperative refrigeration.
Further, an inlet of the cooling tower 1-1 is communicated with a pipeline outlet 7 for equipment cooling, a first valve 4-1 is arranged between the cooling tower 1-1 and the ground source heat pump 1-2, a second valve 4-2 is arranged between the ground source heat pump 1-2 and the water cooling unit 1-3, and the first valve 4-1 and the second valve 4-2 adopt multi-way valves.
Further, the first valve 4-1 and the second valve 4-2 are communicated with a third valve 4-3 through pipelines, and the third valve 4-3 is communicated with a pipeline inlet 6 for equipment cooling through a pipeline; the cooling tower 1-1 is communicated with a pipeline outlet 7 for equipment cooling through a pipeline.
Further, the solar auxiliary heating device 2-1 is communicated with the ground source heat pump auxiliary heating device 2-2 through a pipeline, and a valve is arranged; the solar auxiliary heating device 2-1 is used for auxiliary heating when hot water entering the heat collecting system 2 cannot reach a preset hot water temperature; the ground source heat pump auxiliary heating device 2-2 is used for performing auxiliary heating in cooperation with the solar auxiliary heating device 2-1 when the auxiliary heating power of the solar auxiliary heating device 2-1 cannot meet the actual requirement.
Further, the pipeline outlet 7 for equipment cooling is respectively communicated with the inlets 8 of the cooling system 1 and the heat collecting system through pipelines, and an electronic valve is arranged between the pipeline outlet 7 for equipment cooling and the inlets 8 of the cooling system 1 and the heat collecting system.
Further, the plant waste heat 3 is specifically residual heat generated in the production process of the plant (mainly hot water generated in the production process). The hot water generated in the production process of the equipment is collected and is input into the heat collecting system 2 through a third pipeline 5-3.
Furthermore, the valves used in this embodiment are all multi-way electronic valves, the control circuit of the valves is connected with the remote control platform, and the opening and closing control of the valves is realized through control signals issued by the remote control platform.
Furthermore, a water outlet and a water inlet of each related device are provided with a temperature sensor for feeding back the current temperature to the remote control platform in real time; the system comprises a cooling system 1, a cooling tower 1-1, a ground source heat pump 1-2, a water cooling unit 1-3, a heat collecting system 2, a photovoltaic heating auxiliary device 2-1 and a ground source heat pump auxiliary heating device 2-2, wherein the cooling tower 1-1 is connected with the ground source heat pump through a pipeline; based on the current water temperature obtained by the temperature sensor, the coordinated control among all relevant devices is realized through the opening and closing control of the valve, and further the maximization of energy utilization is realized.
Specifically, for ease of understanding, the embodiments are described in detail below with reference to specific examples and the accompanying drawings:
as shown in fig. 1, this embodiment takes a hydrogen production plant as an example to describe the thermal management system of the present invention, wherein the hydrogen production plant includes a power generation unit, a hydrogen production unit, and a hydrogen refueling station; the power generation unit generates power by combining photovoltaic power generation and wind power generation, the generated power is firstly supplied to a hydrogen production unit in a factory and is used daily, and the power which is not consumed is stored by the power storage unit; the hydrogen production unit produces hydrogen by adopting a water electrolysis mode, the hydrogen produced by the electrolytic bath is purified by collecting, deoxidizing, cooling, drying and filtering to obtain pure hydrogen, and the pure hydrogen is stored by pressurizing through a compressor; the hydrogen station is used for delivering the stored hydrogen to equipment using hydrogen energy; it should be noted that, during the production or operation of the power generation unit, the hydrogen production unit and the hydrogen adding station of the hydrogen production plant, the used equipment may generate a large amount of heat, and in order to avoid high-temperature damage of the equipment and waste of the generated heat, a cooling pipeline is arranged in a high-temperature area of the equipment, and a coolant adopted by the cooling pipeline in this embodiment is pure water; the cooling pipeline can effectively reduce the temperature of the equipment on one hand, and on the other hand, can effectively collect and utilize the heat generated by the equipment.
Specifically, as shown in fig. 1, the invention provides a thermal management system, which comprises a cooling system 1 and a heat collection system 2, wherein the cooling system 1 comprises a cooling tower 1-1, a ground source heat pump 1-2 and a water cooling unit 1-3 which are communicated with each other step by step through a pipeline, and the cooling system is based on preset cold water temperature (which can be set according to actual requirements) and preset priority and passes through a valve (as shown in fig. 1) "
"represents a valve, and a multi-way electronic valve is adopted in the embodiment) to control and select each stage of equipment participating in refrigeration; the above-mentionedThe inlet 10 of the cooling system communicates with the outlet of the piping for cooling the equipment, wherein the solid lines shown in fig. 1 each represent piping;
the heat collection system 2 comprises a solar auxiliary heating device 2-1 and a ground source heat pump auxiliary heating device 2-2 which are communicated step by step through pipelines, and waste heat recovery (the waste heat recovery device comprises power generation equipment, hydrogen production equipment, hydrogenation equipment and equipment for collecting waste heat of a factory, which are provided with cooling pipelines in a high-temperature region) and all levels of equipment participating in auxiliary heating (the all levels of equipment comprise the solar auxiliary heating device 2-1 and the ground source heat pump auxiliary heating device 2-2) are selected by controlling the opening and closing of a valve and the starting and stopping of all auxiliary heating equipment in the heat collection system based on preset hot water temperature (which can be set according to actual requirements); an inlet 8 of the heat collecting system is communicated with a pipeline outlet 7 for cooling equipment;
the cold water cooled by the cooling system 1 returns to a pipeline inlet 6 for equipment cooling through a first pipeline 5-1, the hot water meeting the preset hot water temperature in the heat collection system 2 is transmitted to an area to be heated for heat release, and the cooled water after heat release is input to the cooling system 1 through a second pipeline 5-2.
Furthermore, it should be noted that, for the cooling system 1, the cooling tower 1-1 adopts natural ventilation to cool the hot water, and there is no energy consumption, but there is energy consumption for both the ground source heat pump 1-2 and the water cooling unit 1-3 to perform refrigeration, and meanwhile, compared with the ground source heat pump 1-2, the water cooling unit 1-3 has higher energy consumption; for refrigeration in the existing factory, the mode of the water chiller units 1-3 is usually directly adopted, so that the power consumption requirement is very large, which is a large cost overhead for the factory; in this embodiment, the scheme adopts a preset priority level according to the temperature of the cooling water required under the condition of meeting the refrigeration requirement, that is: the first priority: only adopting a cooling tower 1-1 for natural cooling; wherein, the radiator in the workshop is connected with the cooling tower 1-1 in parallel, and in summer, the cooling water after the temperature reduction and heat absorption of the equipment is controlled by a valve is only naturally cooled by the cooling tower 1-1; in winter, cooling water after being controlled by a valve to cool and absorb heat is cooled by a heating radiator in a workshop and then is cooled by a cooling tower 1-1; the second priority is: the cooling tower 1-1 and the ground source heat pump 1-2 carry out cooperative refrigeration; third priority: the cooling tower 1-1, the ground source heat pump 1-2 and the water cooling unit 1-3 are used for refrigerating cooperatively, so that the refrigeration of cooling water is realized, and based on the scheme, the cooling system can be reasonably configured according to the actual requirements of factory production, so that the energy can be reasonably utilized, and the energy consumption is effectively reduced.
Furthermore, for the heat collecting system 2, the solar auxiliary heating device 2-1 belongs to a heating mode depending on natural resources, and extra energy consumption is not needed; the ground source heat pump auxiliary heating device 2-2 has extra energy consumption loss; therefore, in order to save cost, when there is a heating demand, it is evaluated whether the actual heating demand can be satisfied by solely depending on the solar auxiliary heating device 2-1 based on the temperature of the hot water output from the pipeline for equipment cooling and a preset heating temperature, if so, auxiliary heating is performed only by using the solar auxiliary heating device 2-1 by controlling the hot water output from the pipeline for equipment cooling, and when the actual demand cannot be satisfied, the solar auxiliary heating device 2-1 and the ground source heat pump auxiliary heating device 2-2 are combined for use, and the solar auxiliary heating device 2-1 is preferentially used. On one hand, the device can effectively utilize heat in the production process of equipment and is used for heating areas needing heating in a plant area; on the other hand, the solar auxiliary heating device 2-1 and the ground source heat pump auxiliary heating device 2-2 are cooperated, so that the heating cost of a plant area can be effectively reduced.
Furthermore, the cooling water which is input into the heating area in the heat collecting system 2 and releases heat is returned to the cooling system 1 again through the second pipeline 5-2, so that the cyclic utilization of the cooling water is realized.
Furthermore, hot water (corresponding to the factory waste heat 3) generated in the production process of the equipment is input into the heat collecting system 2 through a pipeline, so that heat generated in the production process of a factory is further effectively utilized, and energy waste is avoided.
Furthermore, the outlet 7 of the pipeline for cooling the equipment is communicated with the inlets of the cooling system 1 and the heat collecting system 2 through a multi-way electronic valve, and the purpose of the arrangement is to open the channel for inputting the heat collecting system 2 through a control valve in the time period needing heating and close the channel under the condition without heating.
Example two:
it is an object of the present embodiments to provide a method of thermal management.
A thermal management method according to the thermal management system of the first embodiment, comprising: receiving temperature values measured by temperature sensors through the remote control platform, wherein the temperature sensors are arranged at inlets and outlets of various refrigerating equipment in the cooling system and various auxiliary heating equipment in the heat collecting system; and issuing opening and closing control signals to valves at all levels, refrigeration equipment and auxiliary heating equipment based on the relationship between the temperature value and a preset threshold value.
Further, the control logic described in this embodiment has already been described in the first embodiment, and thus is not described herein again.
The thermal management system and the thermal management method provided by the embodiment can be realized, and have wide application prospects.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The heat management system is characterized by comprising a cooling system and a heat collection system, wherein the cooling system comprises a cooling tower, a ground source heat pump and a water cooling unit which are communicated step by step through pipelines, and all levels of equipment participating in refrigeration are selected based on preset cold water temperature and preset priority; the inlet of the cooling system is communicated with the outlet of the pipeline for cooling the equipment;
the heat collection system comprises a device waste heat recovery pipeline, a solar auxiliary heating device and a ground source heat pump auxiliary heating device which are communicated step by step through pipelines, and all levels of devices for waste heat recovery and auxiliary heating are selected by controlling the opening and closing of a valve and the starting and stopping of all auxiliary heating devices in the heat collection system based on the preset hot water temperature; an inlet of the heat collecting system is communicated with an outlet of a pipeline for cooling equipment; the pipeline for cooling the equipment is arranged in a high-temperature area to be radiated by the equipment, and industrial heat is recovered when cooling water passes through the pipeline;
and cold water cooled by the cooling system returns to a pipeline inlet for equipment cooling through a pipeline, hot water meeting the preset hot water temperature in the heat collection system is transmitted to an area to be heated for heat release, and cooling water after heat release is input to the cooling system through the pipeline, so that the safety operation of required equipment is guaranteed.
2. The thermal management system according to claim 1, wherein each level of equipment participating in refrigeration is selected based on a preset cold water temperature and a preset priority, wherein the preset priority is specifically:
the first priority: only adopting a cooling tower for natural cooling; when the first priority is given, a radiator in the workshop is communicated with the cooling tower, cooling water after cooling and absorbing heat of the equipment is controlled to directly reach the cooling tower for refrigeration in summer, and cooling water after cooling and absorbing heat of the equipment is controlled to firstly pass through a heating radiator and then reach the cooling tower for refrigeration in winter;
the second priority is: the cooling tower and the ground source heat pump are used for refrigerating cooperatively;
third priority: and the cooling tower, the ground source heat pump and the water cooling unit perform cooperative refrigeration.
3. The thermal management system according to claim 1, wherein an inlet of the cooling tower is communicated with an outlet of a pipeline for cooling equipment, a first valve is arranged between the cooling tower and the ground source heat pump, a second valve is arranged between the ground source heat pump and the water chiller, and the first valve and the second valve are multi-way valves.
4. The thermal management system of claim 3, wherein said first and second valves are each in communication with a third valve by tubing, said third valve being in communication with a tubing inlet for equipment cooling by tubing; the cooling tower is communicated with a pipeline outlet for equipment cooling through a pipeline.
5. The heat management system according to claim 1, wherein the solar auxiliary heating device is connected to the ground source heat pump auxiliary heating device through a pipeline, and a valve is provided; the solar auxiliary heating device is used for carrying out auxiliary heating when hot water entering the heat collecting system cannot reach a preset hot water temperature; the ground source heat pump auxiliary heating device is used for carrying out auxiliary heating in cooperation with the solar auxiliary heating device when the auxiliary heating power of the solar auxiliary heating device cannot meet the actual requirement.
6. The heat management system according to claim 1, wherein the outlet of the pipeline for cooling the equipment is respectively communicated with the inlets of the cooling system and the heat collecting system through pipelines, and electronic valves are arranged between the outlet of the pipeline for cooling the equipment and the inlets of the cooling system and the heat collecting system.
7. The heat management system of claim 1, wherein the heat management system collects hot water produced during the production of the device and feeds the hot water to the heat collection system through a pipeline.
8. The thermal management system of claim 1, wherein the valve is a multi-way electronic valve, a control circuit of the valve is connected to a remote control platform, and the opening and closing of the valve is controlled by a control signal sent from the remote control platform.
9. The heat management system according to claim 1, wherein each of the related devices has an inlet and an outlet provided with a temperature sensor for feeding back the current temperature in real time, wherein the related devices include devices at each stage in a cooling system and a heat collecting system, and based on the current water temperature obtained by the temperature sensors, the coordinated control among the related devices is realized through the opening and closing control of valves, so as to maximize the energy utilization.
10. A thermal management method based on the thermal management system according to any of claims 1 to 9, comprising: receiving temperature values measured by temperature sensors through the remote control platform, wherein the temperature sensors are arranged at inlets and outlets of all refrigeration equipment in the cooling system and all auxiliary heating equipment in the heat collection system; and issuing opening and closing control signals to valves at all levels, refrigeration equipment and auxiliary heating equipment based on the relationship between the temperature value and a preset threshold value.
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