CN113310107A - Secondary side temperature control framework and method for heating system of heat exchange station - Google Patents

Secondary side temperature control framework and method for heating system of heat exchange station Download PDF

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CN113310107A
CN113310107A CN202110534229.3A CN202110534229A CN113310107A CN 113310107 A CN113310107 A CN 113310107A CN 202110534229 A CN202110534229 A CN 202110534229A CN 113310107 A CN113310107 A CN 113310107A
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secondary side
return water
temperature
primary side
heating system
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霍志杰
罗承淼
石英
宋盛华
陈鸣镝
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Beijing Heating Project Design Co ltd
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Beijing Heating Project Design Co ltd
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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
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0271—Valves
    • 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/04—Sensors
    • F24D2220/042—Temperature sensors

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

一种换热站采暖系统二次侧温度控制架构和方法，通过将双输入单输出温度控制器的第一温度参数输入端和第二温度参数输入端分别对应连接设置在二次侧供水总管上的二次侧供水温度变送器和设置在二次侧回水总管上的二次侧回水温度变送器，将双输入单输出温度控制器的控制指令输出端分别连接设置在各个一次侧回水支管上的各个受控的电动调节阀，以便基于二次侧供回水温差偏差量和温差变化率调节电动调节阀的开度大小和角速度，进而达到调节换热站采暖系统二次侧供回水温度的目的。

Figure 202110534229

A temperature control structure and method for the secondary side of a heating system in a heat exchange station. The first temperature parameter input end and the second temperature parameter input end of a dual-input single-output temperature controller are respectively correspondingly connected and arranged on the secondary side water supply main pipe. The secondary side water supply temperature transmitter and the secondary side return water temperature transmitter set on the secondary side return water main pipe are connected to the control command output end of the dual input single output temperature controller respectively and set on each primary side Each controlled electric control valve on the return water branch pipe is used to adjust the opening and angular velocity of the electric control valve based on the deviation of the temperature difference between the supply and return water on the secondary side and the rate of change of the temperature difference, so as to adjust the secondary side of the heating system of the heat exchange station. The purpose of supply and return water temperature.

Figure 202110534229

Description

Secondary side temperature control framework and method for heating system of heat exchange station
Technical Field
The invention relates to a secondary side temperature control technology of a heating system of a heat exchange station, in particular to a secondary side temperature control framework and a method of the heating system of the heat exchange station.
Background
The heat exchange station has prominent position in the centralized heating of cities and towns and plays a decisive role in the heating high-quality operation of the whole heating system. The secondary side of the heating system of the heat exchange station directly determines the heat quality of heat users. The inventor finds that under the current technical condition, the control of a heating system of a heat exchange station mostly depends on manual control of field operation and maintenance personnel, the automatic control also mostly stays in the fixed value control and the time interval control of the secondary water supply temperature, the control precision is low, the phenomena of low thermal efficiency and poor heat supply quality of the heating system of the heat exchange station are caused, and the phenomena of low satisfaction degree of heat users and serious energy waste are directly caused. Therefore, a novel control method is urgently needed for a heating system of the heat exchange station to replace the existing methods of manual control, fixed value control and time interval control, so that the temperature difference between the secondary side water supply and the secondary side water return can be adjusted in real time according to the change of the heat load of a user, the problems are solved, the heat supply quality is ensured, and the energy consumption is reduced.
Disclosure of Invention
The invention provides a secondary side temperature control framework and a method of a heat exchange station heating system aiming at the defects or shortcomings in the prior art, a first temperature parameter input end and a second temperature parameter input end of a double-input single-output temperature controller are respectively and correspondingly connected with a secondary side water supply temperature transmitter arranged on a secondary side water supply main pipe and a secondary side return water temperature transmitter arranged on a secondary side return water main pipe, and a control instruction output end of the double-input single-output temperature controller is respectively connected with each controlled electric regulating valve arranged on each primary side return water branch pipe, so that the opening degree and the angular speed of the electric regulating valve can be regulated based on the secondary side water supply and return temperature difference deviation and the temperature difference change rate, and the purpose of regulating the secondary side water supply and return temperature of the heat exchange station heating system is further achieved.
The technical solution of the invention is as follows:
the utility model provides a heat transfer station heating system secondary side temperature control framework, its characterized in that, is including attaching the dual input single output temperature controller who locates heat transfer station heating system, the secondary side water supply temperature transmitter that sets up on the secondary side water supply main is connected to the first temperature parameter input of dual input single output temperature controller, the secondary side return water temperature transmitter that sets up on the secondary side return water main is connected to the second temperature parameter input of dual input single output temperature controller, the control instruction output connection of dual input single output temperature controller sets up the electrical control valve on the primary side return water pipeline.
The primary side water return pipeline comprises a primary side water return first branch pipe and a primary side water return second branch pipe which are respectively connected with the primary side water return main pipe, the electric regulating valve comprises a primary side water return first electric regulating valve and a primary side water return second electric regulating valve, the primary side water return first electric regulating valve is arranged on the primary side water return first branch pipe, and the primary side water return second electric regulating valve is arranged on the primary side water return second branch pipe.
The heating system of the heat exchange station comprises a first plate type heat exchanger and a second plate type heat exchanger, a primary side water supply end of the first plate type heat exchanger is connected with a primary side water supply header pipe through a fifth valve, a primary side water supply end of the second plate type heat exchanger is connected with the primary side water supply header pipe through a sixth valve, a primary side water return end of the first plate type heat exchanger is connected with a primary side water return header pipe through a primary side water return second electric regulating valve, and a primary side water return end of the second plate type heat exchanger is connected with the primary side water return header pipe through a primary side water return first electric regulating valve.
The secondary side water supply end of the first plate type heat exchanger is connected with a secondary side water supply header through a second valve, the secondary side water supply end of the second plate type heat exchanger is connected with the secondary side water supply header through a fourth valve, the secondary side water return end of the first plate type heat exchanger is connected with a secondary side water return header through a first valve, and the secondary side water return end of the second plate type heat exchanger is connected with the secondary side water return header through a third valve.
And a heat user heater group is arranged between the secondary side water supply main pipe and the secondary side water return main pipe, a main inlet of the heat user heater group is connected with the secondary side water supply main pipe, and a main outlet of the heat user heater group is connected with the secondary side water return main pipe.
And a wireless signal transceiver is arranged on the double-input single-output temperature controller.
Be provided with touch-control formula display screen on dual input single output temperature controller's the operating surface, the side of touch-control formula display screen is provided with mechanical button, mechanical button includes that difference in temperature numerical value sets for mechanical button, and difference in temperature change rate numerical value sets for mechanical button, and mechanical button is set for to valve opening numerical value to and the enter key.
The method for controlling the secondary side temperature of the heating system of the heat exchange station is characterized in that the secondary side temperature control framework of the heating system of the heat exchange station is adopted, and the secondary side supply and return water temperature of the heating system of the heat exchange station is adjusted by adjusting the opening degree and/or the angular speed of an electric adjusting valve based on the secondary side supply and return water temperature difference deviation and the temperature difference change rate.
The method comprises the following steps: step 1, a double-input single-output temperature controller enables a first temperature parameter T from a secondary side water supply main pipeoutSubtracting a second temperature parameter T from a secondary side return water manifoldinObtaining the measured value T of the temperature difference of the secondary side water supply and return waterreality＝Tout-Tin(ii) a Step 2, the double-input single-output temperature controller utilizes a preset secondary side supply and return water temperature difference standard difference value TsetObtaining the temperature difference deviation E of secondary side water supply and return water as Treality-Tset(ii) a Step 3, simulating a functional formula E ═ E (t) by using discrete points of E changing along with time t; step 4, utilizing the E value at a certain moment and simultaneously calculating the secondary side water supply and return temperature difference change rate EC (de/dt), and according to the E value and the EC value and the internal control logic of the double-input single-output temperature controllerAnd comparing and judging to obtain a control instruction, and controlling the opening and/or the angular speed of the electric regulating valve on the primary side water return pipeline.
The opening degree and/or the angular velocity of the electric regulating valve determine the flow of the primary side backwater, and the flow of the primary side backwater is equal to the flow of the primary side water supply.
The invention has the following technical effects: according to the secondary side temperature control framework and method for the heating system of the heat exchange station, the secondary side temperature difference of the heating system of the heat exchange station is controlled, so that the temperature difference between the water supply and the water return of the secondary side can be adjusted in real time according to the change of the heat load of a user, the heat supply quality is guaranteed, the satisfaction degree of the heat user is improved, and the energy consumption is reduced.
Compared with the prior art, the invention has the following advantages: 1. the control method of the invention replaces the existing single control methods such as manual control, secondary water supply temperature constant value control and time interval control, and can improve the intelligent degree of control of the heating system of the heat exchange station, improve the heat supply efficiency, improve the heat experience of heat users and improve the satisfaction degree of the heat users. 2. The control method of the invention adopts two input parameters of temperature difference and temperature difference change rate, improves the control sensitivity, can adjust the temperature difference of the secondary side water supply and return water of the heating system of the heat exchange station in real time according to the change of the heat load of a user, ensures the heat supply quality and reduces the energy consumption. 3. The invention has clear control structure, simple control structure, easy implementation and convenient popularization.
Drawings
Fig. 1 is a schematic structural diagram of a secondary side temperature control architecture of a heating system of a heat exchange station according to the present invention.
Fig. 2 is a schematic diagram of the structure of the dual-input single-output temperature controller in fig. 1.
The reference numbers in the figures are listed below: 1-secondary side water supply temperature transmitter (which may be labeled as TT 211); 2-secondary side return water temperature transmitter (which may be labeled as TT 212); 3-a double-input single-output temperature controller; 4-primary side return water first electrically actuated regulator valve (which may be labeled as TCV 114); 5-primary side return water second electric regulating valve (may be labeled as TCV 112); 6-primary side water supply main; 7-primary side water return header pipe; 8-a first plate heat exchanger; 9-a second plate heat exchanger; 10-group of heat users; 11-secondary side water supply main; 12-secondary side water return main pipe; 13-a second temperature parameter input; 14-a first temperature parameter input; 15-control command output; 16-a first valve; 17-a second valve; 18-a third valve; 19-a fourth valve; 20-a fifth valve; 21-a sixth valve; 22-a wireless signal transceiver; 23-touch display screen; 24-mechanical keys; e-setting a mechanical key by using a temperature difference value; EC-temperature difference change rate value setting mechanical key; setting a mechanical key by using a numerical value of the opening of the U-valve; OK-OK key.
Detailed Description
The invention is described below with reference to the accompanying drawings (fig. 1-2).
Fig. 1 is a schematic structural diagram of a secondary side temperature control architecture of a heating system of a heat exchange station according to the present invention. Fig. 2 is a schematic diagram of the structure of the dual-input single-output temperature controller in fig. 1. Referring to fig. 1 and 2, a secondary side temperature control architecture of a heating system in a heat exchange station includes a dual-input single-output temperature controller 3 attached to the heating system in the heat exchange station, a first temperature parameter input end 14 of the dual-input single-output temperature controller 3 is connected to a secondary side water supply temperature transmitter 1 arranged on a secondary side water supply main pipe 11, a second temperature parameter input end 13 of the dual-input single-output temperature controller 3 is connected to a secondary side return water temperature transmitter 2 arranged on a secondary side return water main pipe 12, and a control instruction output end 15 of the dual-input single-output temperature controller 3 is connected to an electric control valve arranged on a primary side return water pipeline. The primary side water return pipeline comprises a primary side water return first branch pipe and a primary side water return second branch pipe which are respectively connected with a primary side water return main pipe 7, the electric regulating valve comprises a primary side water return first electric regulating valve 4 and a primary side water return second electric regulating valve 5, the primary side water return first electric regulating valve 4 is arranged on the primary side water return first branch pipe, and the primary side water return second electric regulating valve 5 is arranged on the primary side water return second branch pipe.
The heating system of the heat exchange station comprises a first plate heat exchanger 8 and a second plate heat exchanger 9, a primary side water supply end of the first plate heat exchanger 8 is connected with a primary side water supply header pipe 6 through a fifth valve 20, a primary side water supply end of the second plate heat exchanger 9 is connected with the primary side water supply header pipe 6 through a sixth valve 21, a primary side water return end of the first plate heat exchanger 8 is connected with a primary side water return header pipe 7 through a primary side water return second electric regulating valve 5, and a primary side water return end of the second plate heat exchanger 9 is connected with the primary side water return header pipe 7 through a primary side water return first electric regulating valve 4. The secondary side water supply end of the first plate type heat exchanger 8 is connected with a secondary side water supply header 11 through a second valve 17, the secondary side water supply end of the second plate type heat exchanger 9 is connected with the secondary side water supply header 11 through a fourth valve 19, the secondary side water return end of the first plate type heat exchanger 8 is connected with a secondary side water return header 12 through a first valve 16, and the secondary side water return end of the second plate type heat exchanger 9 is connected with the secondary side water return header 12 through a third valve 18. A heat user heater group 10 is arranged between the secondary side water supply main pipe 11 and the secondary side water return main pipe 12, a total inlet of the heat user heater group 10 is connected with the secondary side water supply main pipe 11, and a total outlet of the heat user heater group 10 is connected with the secondary side water return main pipe 12. The dual-input single-output temperature controller 3 is provided with a wireless signal transceiver 22. Be provided with touch-control formula display screen 23 on the operating surface of dual input single output temperature controller 3, the side of touch-control formula display screen 23 is provided with mechanical button 24, mechanical button 24 includes that the difference in temperature numerical value sets for mechanical button E, and the difference in temperature rate of change numerical value sets for mechanical button EC, and valve opening numerical value sets for mechanical button U to and the enter key OK.
A secondary side temperature control method of a heat exchange station heating system is adopted, and the secondary side temperature control framework of the heat exchange station heating system is adopted, and the secondary side supply and return water temperature of the heat exchange station heating system is adjusted by adjusting the opening degree and/or the angular speed of an electric adjusting valve based on the secondary side supply and return water temperature difference deviation and the temperature difference change rate. The method comprises the following steps: step 1, a double-input single-output temperature controller enables a first temperature parameter T from a secondary side water supply main pipeoutSubtracting a second temperature parameter T from a secondary side return water manifoldinObtaining the measured value T of the temperature difference of the secondary side water supply and return waterreality＝Tout-Tin(ii) a Step 2, the double-input single-output temperature controller utilizes a preset secondary side supply and return water temperature difference standard difference value TsetObtaining the temperature difference deviation E of secondary side water supply and return water as Treality-Tset(ii) a Step 3, simulating a functional formula E ═ E (t) by using discrete points of E changing along with time t; and 4, simultaneously calculating the change rate EC of the secondary side water supply and return temperature difference as de/dt by using the E value at a certain moment, comparing and judging the E value and the EC value with the internal control logic of the double-input single-output temperature controller to obtain a control instruction, and controlling the opening degree and the angular speed of the electric regulating valve on the primary side water return pipeline. The opening degree and/or the angular velocity of the electric regulating valve determine the flow of the primary side backwater, and the flow of the primary side backwater is equal to the flow of the primary side water supply.
The invention relates to the technical field of automatic control of a heating system of a heat exchange station, in particular to a secondary side temperature control method of the heating system of the heat exchange station.
In order to achieve the purpose, the invention provides the following technical scheme: the system comprises a water supply temperature transmitter on the secondary side of a heating system, a return water temperature transmitter on the secondary side of the heating system, a double-input single-output temperature controller, a primary side return water 1# electric regulating valve and a primary side return water 2# electric regulating valve. 1. The water supply temperature transmitter of the heating system secondary side is arranged on the water supply header pipe of the heating system secondary side of the heat exchange station; 2. a backwater temperature transmitter at the secondary side of the heating system is arranged on a backwater header pipe at the secondary side of the heating system of the heat exchange station; 3. the double-input single-output temperature controller is arranged in the heat exchange station and can meet the requirements of industrial places; 4. the primary side backwater 1# electric regulating valve is arranged on a backwater pipe at the primary side of a heating system of the heat exchange station; 5. and the primary side backwater 2# electric regulating valve is arranged on a primary side backwater pipe of a heating system of the heat exchange station.
Referring to fig. 1, an embodiment of the present invention: a method for controlling the secondary side temperature of a heating system of a heat exchange station is disclosed, wherein a diagram 1 is a secondary side temperature control architecture diagram of the heating system of the heat exchange station, and comprises a secondary side water supply temperature transmitter 1 of the heating system, which is arranged on a secondary side water supply header of the heating system and plays a role in measuring the temperature of the secondary side water supply header of the heating system in real time; the heating system secondary side return water temperature transmitter 2 is arranged on a heating system secondary side return water header pipe and plays a role in measuring the temperature of the heating system secondary side return water header pipe in real time; the double-input single-output temperature controller 3 can analyze and judge the temperature data acquired in real time and send out an output signal for controlling the electric regulating valve; a primary side backwater 1# electric regulating valve (a primary side backwater first electric regulating valve 4) is arranged on a primary side backwater pipe of the heating system and plays a role in controlling the flow of the primary side backwater pipe of the heating system; the primary side backwater 1# electric regulating valve (primary side backwater second electric regulating valve 5) is installed on a primary side backwater pipe of the heating system and plays a role in controlling the flow of the primary side backwater pipe of the heating system.
The method comprises the following specific control steps:
step 1, a water supply temperature transmitter of a heating system secondary side is installed on a water supply header pipe of a heat exchange station heating system secondary side, and the water supply temperature T of the heat exchange station heating system secondary side is collected in real timeout(ii) a The backwater temperature transmitter of the heating system secondary side is arranged on a backwater header pipe of the heat exchange station heating system secondary side, and collects the backwater temperature T of the heat exchange station heating system secondary side in real timein(ii) a Thus, the measured value of the temperature difference between the secondary water supply and the return water of the heating system of the heat exchange station can be Treality＝Tout-Tin。
Step 2, a primary side backwater 1# electric regulating valve (a primary side backwater first electric regulating valve 4) is arranged on a backwater pipe at the primary side of a heating system of the heat exchange station, can receive a control signal of a double-input single-output temperature controller, adjusts the opening of a valve according to the control signal and further controls the flow of the primary side backwater; the primary side backwater 2# electric regulating valve (a primary side backwater second electric regulating valve 5) is installed on a backwater pipe on the primary side of a heating system of the heat exchange station, can receive a control signal of a double-input single-output temperature controller, adjusts the opening degree of a valve according to the control signal, and further controls the flow of the primary side backwater.
And 3, installing a double-input single-output temperature controller 3 in the heat exchange station, reading temperature values of a water supply temperature transmitter 1 on the secondary side of the heating system and a return water temperature transmitter 2 on the secondary side of the heating system, and calculating to obtain a measured value T of the temperature difference between the secondary supply water and the return water of the heating system of the heat exchange stationreality. An operator can input a standard difference value T of temperature difference between secondary side supply and return water of the heating system into the double-input single-output temperature controller 3set. The dual-input single-output temperature controller 3 can control the primary side water return 1# electric regulating valve and the primary side water return 2# electric regulating valve.
Step 4, the double-input single-output temperature controller 3 measures the temperature difference T between the secondary supply water and the return water of the heating system of the heat exchange station through the temperature difference T of the secondary supply water and the return waterrealityThe standard difference value of the temperature difference between the secondary side supply water and the secondary side return water of the heating system of the heat exchange station is TsetComparing to obtain the deviation E-Treality-TsetAnd meanwhile, calculating the change rate EC of the temperature difference to de/dt, and controlling the opening size and the angular speed of the primary side return water 1# electric regulating valve and the primary side return water 2# electric regulating valve through two control input parameters of the temperature difference deviation rate and the temperature difference change rate, thereby achieving the purpose of regulating the secondary side supply and return water temperature of the heating system of the heat exchange station.
The method for controlling the secondary side temperature of the heating system of the heat exchange station comprises a water supply temperature transmitter of the secondary side of the heating system, a return water temperature transmitter of the secondary side of the heating system, a double-input single-output temperature controller, a primary side return water 1# electric regulating valve and a primary side return water 2# electric regulating valve. The method for controlling the secondary side temperature of the heating system of the heat exchange station is suitable for controlling the heating system of the heat exchange station, can adjust the temperature difference between water supply and water return of the secondary side of the heating system in real time according to the change of the heat load of a user, ensures the heat supply quality, reduces the energy consumption, can improve the control intellectualization degree of the heating system of the heat exchange station, improves the heat supply efficiency, improves the heat consumption experience of heat users and improves the satisfaction degree of the heat users.
Those skilled in the art will appreciate that the invention may be practiced without these specific details. It is pointed out here that the above description is helpful for the person skilled in the art to understand the invention, but does not limit the scope of protection of the invention. Any such equivalents, modifications and/or omissions as may be made without departing from the spirit and scope of the invention may be resorted to.

Claims (10)

1.一种换热站采暖系统二次侧温度控制架构，其特征在于，包括附设于换热站采暖系统的双输入单输出温度控制器，所述双输入单输出温度控制器的第一温度参数输入端连接设置在二次侧供水总管上的二次侧供水温度变送器，所述双输入单输出温度控制器的第二温度参数输入端连接设置在二次侧回水总管上的二次侧回水温度变送器，所述双输入单输出温度控制器的控制指令输出端连接设置在一次侧回水管路上的电动调节阀。1. A secondary side temperature control architecture of a heating system of a heat exchange station, characterized in that it comprises a dual-input single-output temperature controller attached to the heating system of a heat-exchange station, and the first temperature of the dual-input single-output temperature controller is The parameter input end is connected to the secondary side water supply temperature transmitter arranged on the secondary side water supply main pipe, and the second temperature parameter input end of the dual input single output temperature controller is connected to the secondary side water supply main pipe arranged on the secondary side return water main pipe. A secondary-side return water temperature transmitter, the control command output end of the dual-input single-output temperature controller is connected to an electric regulating valve arranged on the primary-side return water pipeline. 2.根据权利要求1所述的换热站采暖系统二次侧温度控制架构，其特征在于，所述一次侧回水管路包括与一次侧回水总管分别连接的一次侧回水第一分管和一次侧回水第二分管，所述电动调节阀包括一次侧回水第一电动调节阀和一次侧回水第二电动调节阀，所述一次侧回水第一电动调节阀设置在所述一次侧回水第一分管上，所述一次侧回水第二电动调节阀设置在所述一次侧回水第二分管上。2 . The secondary side temperature control architecture of the heating system of a heat exchange station according to claim 1 , wherein the primary side return water pipeline comprises a primary side return water first branch pipe and a primary side return water main pipe respectively connected to the primary side return water main pipe. The primary side return water is a second branch pipe, the electric control valve includes a primary side return water first electric control valve and a primary side return water second electric control valve, and the primary side return water first electric control valve is arranged in the primary side return water. On the first branch pipe of the side return water, the second electric regulating valve of the primary side return water is arranged on the second branch pipe of the primary side water return. 3.根据权利要求1所述的换热站采暖系统二次侧温度控制架构，其特征在于，所述换热站采暖系统包括第一板式换热器和第二板式换热器，所述第一板式换热器的一次侧供水端通过第五阀门连接一次侧供水总管，所述第二板式换热器的一次侧供水端通过第六阀门连接所述一次侧供水总管，所述第一板式换热器的一次侧回水端通过一次侧回水第二电动调节阀连接一次侧回水总管，所述第二板式换热器的一次侧回水端通过一次侧回水第一电动调节阀连接所述一次侧回水总管。3 . The secondary side temperature control architecture of the heating system of a heat exchange station according to claim 1 , wherein the heating system of the heat exchange station comprises a first plate heat exchanger and a second plate heat exchanger, and the first plate heat exchanger The primary side water supply end of a plate heat exchanger is connected to the primary side water supply main pipe through a fifth valve, the primary side water supply end of the second plate heat exchanger is connected to the primary side water supply main pipe through a sixth valve, and the first plate heat exchanger is connected to the primary side water supply main pipe through a sixth valve. The primary side return water end of the heat exchanger is connected to the primary side return water main pipe through the primary side return water second electric control valve, and the primary side return water end of the second plate heat exchanger passes the primary side return water first electric control valve Connect the primary side return water main. 4.根据权利要求3所述的换热站采暖系统二次侧温度控制架构，其特征在于，所述第一板式换热器的二次侧供水端通过第二阀门连接二次侧供水总管，所述第二板式换热器的二次侧供水端通过第四阀门连接所述二次侧供水总管，所述第一板式换热器的二次侧回水端通过第一阀门连接二次侧回水总管，所述第二板式换热器的二次侧回水端通过第三阀门连接所述二次侧回水总管。4. The secondary side temperature control structure of the heating system of a heat exchange station according to claim 3, wherein the secondary side water supply end of the first plate heat exchanger is connected to the secondary side water supply main pipe through a second valve, The secondary side water supply end of the second plate heat exchanger is connected to the secondary side water supply main pipe through a fourth valve, and the secondary side return water end of the first plate heat exchanger is connected to the secondary side through a first valve A return water main pipe, the secondary side return water end of the second plate heat exchanger is connected to the secondary side return water main pipe through a third valve. 5.根据权利要求4所述的换热站采暖系统二次侧温度控制架构，其特征在于，所述二次侧供水总管与所述二次侧回水总管之间为热用户用热器群，所述热用户用热器群的总进口连接所述二次侧供水总管，所述热用户用热器群的总出口连接所述二次侧回水总管。5 . The secondary side temperature control architecture of the heating system of a heat exchange station according to claim 4 , wherein a group of heat consumers is located between the secondary side water supply main pipe and the secondary side return water main pipe. 6 . , the main inlet of the hot consumer heater group is connected to the secondary side water supply main pipe, and the main outlet of the hot consumer heater group is connected to the secondary side return water main pipe. 6.根据权利要求1所述的换热站采暖系统二次侧温度控制架构，其特征在于，所述双输入单输出温度控制器上设置有无线信号收发器。6 . The secondary side temperature control architecture of the heating system of a heat exchange station according to claim 1 , wherein a wireless signal transceiver is provided on the dual-input single-output temperature controller. 7 . 7.根据权利要求1所述的换热站采暖系统二次侧温度控制架构，其特征在于，所述双输入单输出温度控制器的的操作面上设置有触控式显示屏，所述触控式显示屏的侧边设置有机械按键，所述机械按键包括温差数值设定机械按键，温差变化率数值设定机械按键，阀开度数值设定机械按键，以及确认键。7 . The secondary side temperature control architecture of the heating system of a heat exchange station according to claim 1 , wherein a touch-sensitive display screen is provided on the operation surface of the dual-input single-output temperature controller, and the touch The side of the control-type display screen is provided with mechanical buttons, and the mechanical buttons include a mechanical button for setting the temperature difference value, a mechanical button for setting the value of the temperature difference change rate, a mechanical button for setting the valve opening value, and a confirmation button. 8.一种换热站采暖系统二次侧温度控制方法，其特征在于，采用上述权利要求1-7之一所述的一种换热站采暖系统二次侧温度控制架构，通过基于二次侧供回水温差偏差量和温差变化率调节电动调节阀的开度大小和/或角速度以调节换热站采暖系统二次侧供回水温度。8. A method for controlling the temperature of the secondary side of the heating system of a heat exchange station, characterized in that, by adopting the temperature control framework of the secondary side of the heating system of a heat exchange station according to one of the above claims 1-7, The deviation of the temperature difference between the side supply and return water and the rate of change of the temperature difference adjust the opening and/or angular velocity of the electric regulating valve to adjust the temperature of the supply and return water on the secondary side of the heating system of the heat exchange station. 9.根据权利要求8所述的换热站采暖系统二次侧温度控制方法，其特征在于，包括以下步骤：步骤1，双输入单输出温度控制器将来自二次侧供水总管的第一温度参数Tout减去来自二次侧回水总管的第二温度参数Tin得到二次侧供回水温差实测值Treality＝Tout-Tin；步骤2，双输入单输出温度控制器利用预设的二次侧供回水温差标准差值Tset，得到二次侧供回水温差偏差量E＝Treality-Tset；步骤3，利用E随时间t变化的离散点模拟出函数式e＝E(t)；步骤4，利用某一个时刻的E值并同时计算二次侧供回水温差变化率EC＝de/dt，根据所述E值和所述EC值与所述双输入单输出温度控制器内部控制逻辑比对判断得出控制指令，控制一次侧回水管路上的电动调节阀的开度大小和/或角速度。9. The method for controlling the temperature of the secondary side of the heating system of a heat exchange station according to claim 8, characterized in that it comprises the following steps: Step 1, the dual-input single-output temperature controller controls the first temperature from the secondary side water supply main pipe The parameter T out subtracts the second temperature parameter T in from the secondary side return water main pipe to obtain the measured value of the secondary side supply and return water temperature difference T reality =T out -T in ; Step 2, the dual-input single-output temperature controller uses the pre- Set the standard deviation value T set of the temperature difference between the supply and return water of the secondary side, and obtain the deviation amount of the temperature difference between the supply and return water of the secondary side E=T reality -T set ; Step 3, use the discrete points of E changing with time t to simulate the function formula e =E(t); Step 4, use the E value at a certain moment and simultaneously calculate the secondary side supply and return water temperature difference change rate EC=de/dt, according to the E value and the EC value and the double input single The internal control logic of the output temperature controller is compared and judged to obtain a control command to control the opening and/or angular velocity of the electric regulating valve on the primary side return water pipeline. 10.根据权利要求8所述的换热站采暖系统二次侧温度控制方法，其特征在于，所述电动调节阀的开度大小和/或角速度决定一次侧回水的流量，所述一次侧回水的流量与一次侧供水的流量相等。10 . The method for controlling the temperature of the secondary side of the heating system of a heat exchange station according to claim 8 , wherein the opening degree and/or angular velocity of the electric regulating valve determine the flow rate of the primary side return water, and the primary side The flow rate of the return water is equal to the flow rate of the primary side water supply.
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