An energy-saving transformer heat exchange equipment energy efficiency optimization process

Abstract

The present invention discloses an energy-saving transformer heat exchange equipment energy efficiency optimization process, which relates to the technical field of heat exchange equipment, and includes the following steps: S1: designing an intelligent energy efficiency optimization control system for transformer heat exchange equipment, S2: installing a sensing detection element, an optimization control instruction execution element and an intelligent energy efficiency optimization control system on the transformer heat exchange equipment, S3: the intelligent energy efficiency optimization control system issues a driving adjustment instruction to adjust and optimize the operating state of the heat exchange equipment, and S4: connecting a heat energy utilization device to utilize waste heat. The present invention sets an intelligent energy efficiency optimization system to monitor the operating state and operating parameters of the heat exchange equipment, and adjusts the flow rate and flow velocity of the cooling medium according to the actual value of the transformer heat source inlet temperature wc received by the heat exchange equipment, so that the heat exchange equipment can avoid the waste of cooling medium while reaching the target outlet temperature of the transformer heat source, and improve the heat transfer effect, thereby achieving the purpose of energy saving.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchange equipment, and in particular to an energy-saving transformer heat exchange equipment energy efficiency optimization process. Background Art

[0002] The transformer is assembled from the transformer body, transformer oil, oil tank, cooling device, voltage regulating device, protective device and outlet bushing, wherein the cooling device is used to cool the transformer body or transformer oil. When cooling the transformer oil, a plate heat exchange device is generally used for heat exchange to achieve the cooling purpose. However, the existing transformer heat exchange device is not convenient to adjust the operating state of the heat exchange device according to the transformer oil temperature, which is easy to cause energy waste and reduce the energy saving effect of the heat exchange device. Therefore, an energy-saving transformer heat exchange device energy efficiency optimization process is needed to optimize the energy efficiency of the operating state of the heat exchange device.

[0003] The defects of existing heat exchange equipment are:

[0004] The patent document US08922310B2 mainly considers how to achieve more efficient cooling of the overall packaged transformer through gas, and does not consider the problem of adjusting the operating state of the heat exchange device according to the state of the transformer or transformer oil;

[0005] In the application document WO01063629A1, the main consideration is to provide a system that utilizes natural convection air flow and thermosiphon to cool the fluid, but does not consider the problem of improving the convenience and accuracy of the system operation by setting a temperature zoning and sorting method;

[0006] Patent document CN103985511A mainly considers how to make the heat exchanger for transformer have the function of removing impurities, but does not consider the problem of real-time monitoring and optimization regulation of heat exchange equipment by installing sensor detection elements and optimizing control instruction execution elements;

[0007] Patent document CN107644126B mainly considers how to improve the versatility of the heat exchanger by optimizing the design of the heat exchanger, but does not consider how to improve the utilization rate of waste heat and achieve energy-saving and environmental protection effects. Summary of the invention

[0008] The object of the present invention is to provide an energy-saving transformer heat exchange equipment energy efficiency optimization process to solve the problems raised in the above background technology.

[0009] To achieve the above object, the present invention provides the following technical solution: an energy-saving transformer heat exchange equipment energy efficiency optimization process, comprising the following steps:

[0010] S1: Design of intelligent energy efficiency optimization control system for transformer heat exchange equipment;

[0011] S2: Install a sensor detection element, an optimization control instruction execution element and an intelligent energy efficiency optimization control system on the transformer heat exchange device, and the sensor detection element, the intelligent energy efficiency optimization control system and the optimization control instruction execution element are electrically connected;

[0012] S3: During the operation of the transformer heat exchange equipment, the operating status and operating parameters are monitored through the intelligent energy efficiency optimization control system, and the control drive parameters are selected according to the operating parameters. The control drive parameters are used to issue drive adjustment instructions to adjust and optimize the operating status of the heat exchange equipment;

[0013] S4: Connecting a heat energy utilization device, the heat energy utilization device is used to utilize the waste heat generated during the use of the heat exchange device;

[0014] The intelligent energy efficiency optimization system includes a data receiving module, an operation parameter sorting module, an operation optimization module and an instruction output module;

[0015] The data receiving module is electrically connected to the sensor element. The data receiving module is used to receive the operating parameters of the heat exchange device in the initial operating state detected by the sensor detection element. The operating parameter sorting module stores an operating parameter sorting database, which is used to perform regional sorting on the operating parameters in the initial state received by the data receiving module. The operation optimization module is used to select operating drive control parameters according to the operating parameters in the initial state, and adjust and optimize the operating state of the heat exchange device. The instruction output module is used to output operating drive adjustment instructions to the optimization control instruction execution element according to the selected operating drive control parameters.

[0016] The operating parameters in the initial operating state include the transformer heat source inlet temperature wc;

[0017] The operating parameter sorting database is provided with a primary temperature zone [w1-w2], a secondary temperature zone (w2-w3], and a tertiary temperature zone (w3-w4], and the operating parameter sorting module is connected with the parameter operation optimization module in data sharing;

[0018] The steps of optimizing and adjusting the operating state of the transformer heat exchange equipment by the intelligent energy efficiency optimization system are as follows:

[0019] First, according to the value of the transformer heat source inlet temperature wc, the temperature zone where the transformer heat source inlet temperature wc is located is selected in the operating parameter sorting database in the operating parameter sorting module, where when wc∈[w1~w2], the first-level temperature zone is selected as the operation optimization module optimization execution zone, when wc∈(w2~w3], the second-level temperature zone is selected as the operation module optimization execution zone, and when wc∈(w3~w4], the third-level temperature zone is selected as the operation module optimization execution zone;

[0020] Secondly, the corresponding operation drive control parameters are selected in the selected optimization execution area, and the operation drive control instructions are output;

[0021] The operation drive control parameters include pressure control valve control parameters and flow control valve control parameters, wherein the pressure control valve control parameters include primary pressure control parameter y1, secondary pressure control parameter y2 and tertiary pressure control parameter y3, and the flow control valve control parameters include primary flow control parameter L1, secondary flow control parameter L2 and tertiary flow control parameter L3, and the primary pressure control parameter y1 and the primary flow control parameter L1 are the driving parameters corresponding to the primary temperature zone, the secondary pressure control parameter y2 and the secondary flow control parameter L2 are the driving parameters corresponding to the secondary temperature zone, and the tertiary pressure control parameter y3 and the tertiary flow control parameter L3 are the driving parameters corresponding to the tertiary temperature zone. The first-level temperature zone corresponds to the driving parameters. When the first-level temperature zone is selected as the optimized execution zone, the first-level pressure control parameter y1 and the first-level flow control parameter L1 are selected as the selected operation drive control parameters, and the operation drive control instruction is output according to the selected operation drive control parameters. When the second-level temperature zone is selected as the optimized execution zone, the second-level pressure control parameter y2 and the second-level flow control parameter L2 are selected as the selected operation drive control parameters, and the operation drive control instruction is output. When the third-level temperature zone is selected as the optimized execution zone, the third-level pressure control parameter y3 and the third-level flow control parameter L3 are selected as the selected operation drive control parameters, and the drive control instruction is output;

[0022] Then the optimized control instruction execution element receives the driving control instruction and performs the operation of adjusting the inlet flow rate and flow rate of the cooling medium to adjust the operating state of the heat exchange device;

[0023] The heat energy utilization equipment includes hot water production equipment or low-temperature steam production equipment, and the heat source supply end of the heat energy utilization equipment is connected to the cooling medium outlet pipe.

[0024] Preferably, the heat exchange equipment includes a heat exchanger body, and a heat source inlet pipe connection end, a heat source outlet pipe connection end, a cold source inlet pipe connection end and a cold source outlet pipe connection end are provided on the front of the heat exchanger body. The heat source inlet pipe connection end is used to connect the heat source inlet pipe in the transformer, the heat source outlet pipe connection end is used to connect the heat source outlet pipe in the transformer, the cold source inlet pipe connection end is used to connect the cooling medium inlet pipe, and the cold source outlet pipe connection end is used to connect the cooling medium outlet pipe. The intelligent energy efficiency optimization system is installed on the front of the heat exchanger body.

[0025] Preferably, the sensing detection element is a temperature sensor, and the sensor detection element is arranged on the heat source inlet pipe of the transformer, the optimization control instruction execution element includes a pressure control valve and a flow control valve, and the pressure control valve and the flow control valve are both arranged on the cooling medium inlet pipe, and the pressure control valve is located on the right side of the flow control valve.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. The present invention sets up an intelligent energy efficiency optimization system to monitor the operating status and operating parameters of the heat exchange equipment, and adjusts the flow rate and flow velocity of the cooling medium according to the actual value of the transformer heat source inlet temperature wc received by the heat exchange equipment, so that the heat exchange equipment can avoid the waste of cooling medium and improve the heat transfer effect while reaching the target outlet temperature of the transformer heat source, thereby achieving the purpose of energy saving.

[0028] 2. The present invention classifies the inlet temperature of the transformer heat source in the initial state by setting the primary temperature zone, the secondary temperature zone and the tertiary temperature zone, and improves the convenience of selecting the drive control parameters and the accuracy of the source drive adjustment instructions by setting the corresponding pressure control valve control parameters and flow control valve control parameters at each temperature.

[0029] 3. The present invention uses a sensing detection element to monitor the inlet temperature of the transformer heat source in real time, thereby improving the accuracy and timeliness of the monitoring results. A pressure control valve and a flow control valve are used as optimized control instruction execution elements to receive and execute drive adjustment instructions issued by an instruction output module, thereby achieving the purpose of automatically adjusting the operating status of the heat exchange equipment.

[0030] 4. The present invention utilizes the cooling medium to exchange heat with the transformer heat source introduced into the heat exchange device, so that the cooling medium absorbs the heat in the transformer heat source, and then connects the cooling medium outlet pipe to the heat source supply end of the heat energy utilization device, and utilizes the heat in the cooling medium to enable the heat energy utilization device to produce hot water or low-temperature steam, thereby improving the waste heat utilization rate and achieving energy-saving and environmental protection effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1The energy efficiency optimization process step diagram of the present invention;

[0032] Figure 2 This is a diagram of optimization and adjustment steps of the intelligent energy efficiency optimization system of the present invention;

[0033] Figure 3 A schematic diagram of the intelligent energy efficiency optimization system of the present invention;

[0034] Figure 4 It is an overall schematic diagram of the heat exchange device of the present invention.

[0035] In the figure: 1. Heat exchanger body; 2. Intelligent energy efficiency optimization control system; 3. Heat source inlet pipe connection end; 4. Cold source outlet pipe connection end; 5. Heat source outlet pipe connection end; 6. Cold source inlet pipe connection end; 7. Heat source inlet pipe in transformer; 8. Cooling medium outlet pipe; 9. Heat source outlet pipe in transformer; 10. Cooling medium inlet pipe; 11. Sensor detection element; 12. Flow control valve; 13. Pressure control valve. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] See also Figure 1, an embodiment provided by the present invention: an energy-saving transformer heat exchange equipment energy efficiency optimization process, comprising the following steps:

[0040] S1: Design of intelligent energy efficiency optimization control system for transformer heat exchange equipment;

[0041] S2: Install a sensor detection element, an optimization control instruction execution element and an intelligent energy efficiency optimization control system on the transformer heat exchange device, and the sensor detection element, the intelligent energy efficiency optimization control system and the optimization control instruction execution element are electrically connected;

[0042] S3: During the operation of the transformer heat exchange equipment, the operating status and operating parameters are monitored through the intelligent energy efficiency optimization control system, and the control drive parameters are selected according to the operating parameters. The control drive parameters are used to issue drive adjustment instructions to adjust and optimize the operating status of the heat exchange equipment;

[0043] S4: Connect a heat energy utilization device, which is used to utilize the waste heat generated during the use of the heat exchange device.

[0044] See also Figure 2 and 3 , an embodiment provided by the present invention: an energy-saving transformer heat exchange equipment energy efficiency optimization process, the intelligent energy efficiency optimization system includes a data receiving module, an operation parameter sorting module, an operation optimization module and an instruction output module;

[0045] The data receiving module is electrically connected to the sensing element, and is used to receive the operating parameters of the heat exchange device in the initial operating state detected by the sensing detection element. The operating parameter sorting module stores an operating parameter sorting database, and is used to perform regional sorting on the operating parameters in the initial state received by the data receiving module. The operation optimization module is used to select the operating drive control parameters according to the operating parameters in the initial state, and adjust and optimize the operating state of the heat exchange device. The instruction output module is used to output the operating drive adjustment instructions to the optimization control instruction execution element according to the selected operating drive control parameters.

[0046] Furthermore, the operating parameters in the initial operating state include the transformer heat source inlet temperature wc;

[0047] The operation parameter sorting database is set with a primary temperature zone [w1-w2], a secondary temperature zone (w2-w3], and a tertiary temperature zone (w3-w4], and the operation parameter sorting module is connected with the parameter operation optimization module in data sharing;

[0048] Furthermore, the intelligent energy efficiency optimization system optimizes and adjusts the operating status of the transformer heat exchange equipment as follows:

[0049] First, according to the value of the transformer heat source inlet temperature wc, the temperature zone where the transformer heat source inlet temperature wc is located is selected in the operating parameter sorting database in the operating parameter sorting module, where when wc∈[w1~w2], the first-level temperature zone is selected as the operation optimization module optimization execution zone, when wc∈(w2~w3], the second-level temperature zone is selected as the operation module optimization execution zone, and when wc∈(w3~w4], the third-level temperature zone is selected as the operation module optimization execution zone;

[0050] Secondly, the corresponding operation drive control parameters are selected in the selected optimization execution area, and the operation drive control instructions are output;

[0051] The operation drive control parameters include pressure control valve control parameters and flow control valve control parameters, wherein the pressure control valve control parameters include primary pressure control parameter y1, secondary pressure control parameter y2 and tertiary pressure control parameter y3, and the flow control valve control parameters include primary flow control parameter L1, secondary flow control parameter L2 and tertiary flow control parameter L3, and the primary pressure control parameter y1 and the primary flow control parameter L1 are the driving parameters corresponding to the primary temperature zone, the secondary pressure control parameter y2 and the secondary flow control parameter L2 are the driving parameters corresponding to the secondary temperature zone, and the tertiary pressure control parameter y3 and the tertiary flow control parameter L3 are the driving parameters corresponding to the tertiary temperature zone. The first-level temperature zone corresponds to the driving parameters. When the first-level temperature zone is selected as the optimized execution zone, the first-level pressure control parameter y1 and the first-level flow control parameter L1 are selected as the selected operation drive control parameters, and the operation drive control instruction is output according to the selected operation drive control parameters. When the second-level temperature zone is selected as the optimized execution zone, the second-level pressure control parameter y2 and the second-level flow control parameter L2 are selected as the selected operation drive control parameters, and the operation drive control instruction is output. When the third-level temperature zone is selected as the optimized execution zone, the third-level pressure control parameter y3 and the third-level flow control parameter L3 are selected as the selected operation drive control parameters, and the drive control instruction is output;

[0052] Then the optimized control instruction execution element receives the driving control instruction and makes an operation to adjust the flow rate and flow velocity of the cooling medium to adjust the operating state of the heat exchange device;

[0053] By designing and using an intelligent energy efficiency optimization system to monitor the operating status and operating parameters of the heat exchange equipment, and adjusting the flow rate and flow velocity of the cooling medium according to the actual value of the transformer heat source inlet temperature wc received by the heat exchange equipment, the heat exchange equipment can avoid the waste of cooling medium and improve the heat transfer effect while reaching the target outlet temperature of the transformer heat source, thereby achieving the purpose of energy saving.

[0054] See also Figure 4, an embodiment provided by the present invention: an energy-saving transformer heat exchange equipment energy efficiency optimization process, the heat exchange equipment includes a heat exchanger body, the front of the heat exchanger body is provided with a heat source inlet pipe connection end, a heat source outlet pipe connection end, a cold source inlet pipe connection end and a cold source outlet pipe connection end, the heat source inlet pipe connection end is used to connect the heat source inlet pipe in the transformer, the heat source outlet pipe connection end is used to connect the heat source outlet pipe in the transformer, the cold source inlet pipe connection end is used to connect the cooling medium inlet pipe, the cold source outlet pipe connection end is used to connect the cooling medium outlet pipe, and the intelligent energy efficiency optimization system is installed on the front of the heat exchanger body;

[0055] The sensing detection element is a temperature sensor, and the sensor detection element is arranged on the heat source inlet pipe of the transformer, the optimization control instruction execution element includes a pressure control valve and a flow control valve, and the pressure control valve and the flow control valve are both arranged on the cooling medium inlet pipe, and the pressure control valve is located on the right side of the flow control valve;

[0056] Furthermore, sensing detection elements are used to monitor the inlet temperature of the transformer heat source in real time to improve the accuracy and timeliness of the monitoring results. Pressure control valves and flow control valves are used as optimized control instruction execution elements to receive and execute drive adjustment instructions issued by the instruction output module, thereby achieving the purpose of automatically adjusting the operating status of the heat exchange equipment.

[0057] See also Figure 1 , an embodiment of the present invention provides: an energy-saving transformer heat exchange equipment energy efficiency optimization process, the heat energy utilization equipment includes hot water production equipment or low-temperature steam production equipment, and the heat source supply end of the heat energy utilization equipment is connected to the cooling medium outlet pipe

[0058] Furthermore, the cooling medium is utilized to exchange heat with the transformer heat source introduced into the heat exchange device, so that the cooling medium absorbs the heat in the transformer heat source, and then the cooling medium outlet pipe is connected to the heat source supply end of the heat energy utilization device, and the heat in the cooling medium is utilized to enable the heat energy utilization device to produce hot water or low-temperature steam, thereby improving the utilization rate of waste heat and achieving energy conservation and environmental protection.

[0059] Working principle: An energy-saving transformer heat exchange equipment energy efficiency optimization process, through the actual installation and use of intelligent energy efficiency optimization control system, the transformer heat source inlet temperature is detected by the sensor detection element, and then the intelligent energy efficiency optimization control system obtains the drive adjustment instruction for the transformer heat source inlet temperature, and implements the drive adjustment instruction by the optimization control instruction execution element, optimizes and adjusts the operating state of the heat exchange equipment, reduces the cooling medium and energy consumption while achieving heat exchange, improves energy efficiency, and utilizes the heat absorbed by the cooling medium by connecting the heat energy utilization equipment, improves the waste heat utilization rate and plays a role in energy saving and environmental protection.

[0060] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A control method for an energy-saving transformer heat exchange equipment energy efficiency optimization system, characterized in that: The following steps are involved: S1: Design of intelligent energy efficiency optimization control system for transformer heat exchange equipment; S2: Install a sensor detection element, an optimization control instruction execution element and an intelligent energy efficiency optimization control system on the transformer heat exchange device, and the sensor detection element, the intelligent energy efficiency optimization control system and the optimization control instruction execution element are electrically connected; S3: During the operation of the transformer heat exchange equipment, the operating status and operating parameters are monitored through the intelligent energy efficiency optimization control system, and the control drive parameters are selected according to the operating parameters. The control drive parameters are used to issue drive adjustment instructions to adjust and optimize the operating status of the heat exchange equipment; S4: Connecting a heat energy utilization device, the heat energy utilization device is used to utilize the waste heat generated during the use of the heat exchange device; The intelligent energy efficiency optimization control system includes a data receiving module, an operation parameter sorting module, an operation optimization module and an instruction output module; The data receiving module is electrically connected to the sensor detection element, and the data receiving module is used to receive the operating parameters of the heat exchange device in the initial operating state detected by the sensor detection element. The operating parameter sorting module stores an operating parameter sorting database, and is used to perform regional sorting on the operating parameters in the initial state received by the data receiving module. The operation optimization module is used to select the operation drive control parameters according to the operation parameters in the initial state, and adjust and optimize the operation state of the heat exchange device. The instruction output module is used to output the operation drive adjustment instruction to the optimization control instruction execution element according to the selected operation drive control parameters. The heat exchange device comprises a heat exchanger body, the front of the heat exchanger body is provided with a heat source inlet pipe connection end (3), a heat source outlet pipe connection end (5), a cold source inlet pipe connection end and a cold source outlet pipe connection end, the heat source inlet pipe connection end (3) is used to connect to a heat source inlet pipe in a transformer, the heat source outlet pipe connection end (5) is used to connect to a heat source outlet pipe in a transformer, the cold source inlet pipe connection end is used to connect to a cooling medium inlet pipe, and the cold source outlet pipe connection end is used to connect to a cooling medium outlet pipe, and the intelligent energy efficiency optimization control system is installed on the front of the heat exchanger body; The cooling medium is used to exchange heat with the transformer heat source introduced into the heat exchange device, so that the cooling medium absorbs the heat in the transformer heat source; The sensor detection element is a temperature sensor, and the sensor detection element is arranged on the heat source inlet pipe of the transformer, the optimization control instruction execution element includes a pressure control valve and a flow control valve, and the pressure control valve and the flow control valve are both arranged on the cooling medium inlet pipe, and the pressure control valve is located on the right side of the flow control valve; The operating parameters in the initial operating state include the transformer heat source inlet temperature wc; The operating parameter sorting database is provided with a primary temperature zone [w1-w2], a secondary temperature zone (w2-w3], and a tertiary temperature zone (w3-w4], and the operating parameter sorting module is connected with the parameter operation optimization module in data sharing; The steps of optimizing and adjusting the operating state of the transformer heat exchange equipment by the intelligent energy efficiency optimization control system are as follows: First, according to the value of the transformer heat source inlet temperature wc, the temperature zone where the transformer heat source inlet temperature wc is located is selected in the operating parameter sorting database in the operating parameter sorting module, where when wc∈[w1~w2], the first-level temperature zone is selected as the operation optimization module optimization execution zone, when wc∈(w2~w3], the second-level temperature zone is selected as the operation module optimization execution zone, and when wc∈(w3~w4], the third-level temperature zone is selected as the operation module optimization execution zone; Secondly, the corresponding operation drive control parameters are selected in the selected optimization execution area, and the operation drive control instructions are output; The operation drive control parameters include pressure control valve control parameters and flow control valve control parameters, wherein the pressure control valve control parameters include primary pressure control parameter y1, secondary pressure control parameter y2 and tertiary pressure control parameter y3, and the flow control valve control parameters include primary flow control parameter L1, secondary flow control parameter L2 and tertiary flow control parameter L3, and the primary pressure control parameter y1 and the primary flow control parameter L1 are the driving parameters corresponding to the primary temperature zone, the secondary pressure control parameter y2 and the secondary flow control parameter L2 are the driving parameters corresponding to the secondary temperature zone, and the tertiary pressure control parameter y3 and the tertiary flow control parameter L3 are the driving parameters corresponding to the tertiary temperature zone. The first-level temperature zone corresponds to the driving parameters. When the first-level temperature zone is selected as the optimized execution zone, the first-level pressure control parameter y1 and the first-level flow control parameter L1 are selected as the selected operation drive control parameters, and the operation drive control instruction is output according to the selected operation drive control parameters. When the second-level temperature zone is selected as the optimized execution zone, the second-level pressure control parameter y2 and the second-level flow control parameter L2 are selected as the selected operation drive control parameters, and the operation drive control instruction is output. When the third-level temperature zone is selected as the optimized execution zone, the third-level pressure control parameter y3 and the third-level flow control parameter L3 are selected as the selected operation drive control parameters, and the drive control instruction is output; Then the optimized control instruction execution element receives the driving control instruction and performs the operation of adjusting the inlet flow rate and flow rate of the cooling medium to adjust the operating state of the heat exchange device; The heat energy utilization equipment includes hot water production equipment or low-temperature steam production equipment, and the heat source supply end of the heat energy utilization equipment is connected to the cooling medium outlet pipe.

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