Regional heat supply operation system

Abstract

The utility model belongs to the technical field of regional heat supply, and particularly relates to a regional heat supply operation system which comprises a control unit and a heat supply and exchange unit, the control unit is in electric signal connection with a data acquisition unit and an execution unit, the data acquisition unit is used for acquiring real-time data of heat supply operation, and the execution unit can control heat supply and exchange of the heat supply and exchange unit. According to the regional heat supply operation system, the heat recovery heat exchanger and the hot water boiler are arranged, heat supply of different heat sources is achieved, the situation that heat supply is affected when a certain heat source breaks down is avoided, industrial waste heat can be used for heating and heat supply at the same time, and meanwhile the hot water boiler can be combined for heating and heat supply; the energy utilization rate is improved, and energy is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of regional heating, and in particular relates to a regional heating operation system. Background Art

[0002] In recent years, with the rapid development of urban construction, the ever-increasing area of ​​district heating has also brought a series of problems to heating management. District heating refers to the technology of supplying heating and domestic hot water to users in the entire city or a certain area through the heating pipeline network from the city's centralized heat source, using steam or hot water as the medium.

[0003] In the patent with the patent number CN201920193323.5, an intelligent heating control system is proposed, including a central controller; a user temperature monitoring system, including the collection of temperature parameters of each user; a thermal power station monitoring system, including real-time collection of heat exchange temperatures of each thermal power station; a boiler room monitoring system, including the collection of boiler room heat source parameters; a pipe network monitoring system, including the collection of pipe network pressure and flow parameters; an execution system; each monitoring system sends data to the central controller respectively; the central controller analyzes and processes the received data and sends an execution command to the boiler room execution system, the thermal power station execution system and the pipe network execution system of the execution system. The utility model automatically collects the heating parameters of the regional boiler room heat source, pipe network, thermal power station and users, conducts centralized remote monitoring, and automatically adjusts the heating supply according to the change of demand load to ensure the energy-saving and safe operation of the heating system. However, the heating method adopted in this system is single and consumes a lot of energy. Utility Model Content

[0004] The purpose of the utility model is to provide a regional heating operation system to solve the technical problems raised in the above background technology.

[0005] In order to achieve the above technical purpose, the technical solution of the utility model is:

[0006] A regional heating operation system comprises a control unit and a heat supply and exchange unit, wherein the control unit is electrically connected to a data acquisition unit and an execution unit, wherein the data acquisition unit comprises a user data acquisition module, an industrial waste heat data acquisition module, a heat exchange and insulation water tank data acquisition module, and a hot water boiler heating data acquisition module;

[0007] The heat supply and exchange unit includes a heat exchange and insulation module, an industrial waste heat heating module and a hot water boiler heating module;

[0008] The execution unit includes a first water return valve, a water supply booster pump, a first circulating water pump, a second circulating water pump, a first water replenishment solenoid valve and a second water replenishment solenoid valve.

[0009] As an improvement, the heat exchange and insulation module includes a heat exchange and insulation water tank, the top of the heat exchange and insulation water tank is connected to a user return pipe, the user return pipe is provided with the first return valve, the lower part of the heat exchange and insulation water tank is connected to a user water supply pipe, and the user water supply pipe is provided with the water supply booster pump.

[0010] As a further improvement, the industrial waste heat heating module includes a waste heat recovery heat exchanger, which is connected to the heat exchange and insulation water tank through a heat exchanger return pipe and a heat exchanger supply pipe. The heat exchanger supply pipe is provided with a first circulating water pump and a first check valve, and the heat exchanger return pipe is provided with a second return valve.

[0011] As a further improvement, the hot water boiler heating module includes a hot water boiler, which is connected to the heat exchange and insulation water tank through a boiler return pipe and a boiler supply pipe. The boiler supply pipe is provided with a second circulating water pump and a second check valve, and the boiler return pipe is provided with a third return valve.

[0012] As a further improvement, an overflow port is provided at the upper portion of the heat exchange and thermal insulation water tank, a sewage pipe is connected to the bottom of the heat exchange and thermal insulation water tank, and a sewage valve is provided on the sewage pipe.

[0013] As a further improvement, the waste heat recovery heat exchanger is connected to a heat exchanger water supply pipe, and the heat exchanger water supply pipe is provided with a first water supply solenoid valve.

[0014] As a further improvement, the hot water boiler is connected to a boiler water supply pipe, and a second water supply solenoid valve is provided on the boiler water supply pipe.

[0015] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0016] The regional heating operation system provided by the utility model is provided with an industrial waste heat heating module and a hot water boiler heating module. It can use industrial waste heat for heating and heat supply at the same time, and can also be combined with hot water boiler for heating and heat supply. When the required heating temperature cannot be reached by using only industrial waste heat, it can be combined with hot water boiler for heating and heat supply. When the required heating temperature is reached by using only industrial waste heat, there is no need to combine with hot water boiler for heating and heat supply, thus realizing the use of industrial waste heat for heating and heat supply, improving energy utilization rate and saving energy.

[0017] The district heating operation system provided by the utility model realizes heating from different heat sources by arranging a heat recovery heat exchanger and a hot water boiler, thereby avoiding the situation where heating is affected when a certain heat source fails.

[0018] The regional heating operation system provided by the utility model is provided with a first return valve, a water supply booster pump, a first circulating water pump, a second circulating water pump, a first water replenishment solenoid valve and a second water replenishment solenoid valve. Automatic monitoring can be achieved through a control unit, and the heating operation status can be monitored in real time according to the data collected by the data detection unit. The execution unit and the heat supply and heat exchange unit can also be controlled to perform heat exchange operations according to the collected data. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a heat exchange unit and an execution unit;

[0020] Figure 2 It is a structural diagram of the industrial waste heat heating module;

[0021] Figure 3 It is a structural diagram of a hot water boiler heating module;

[0022] Among them: 1-heat exchange and insulation water tank; 11-overflow port; 12-drain pipe; 13-drain valve; 2-waste heat recovery heat exchanger; 21-heat exchanger water supply pipe; 22-first water supply solenoid valve; 3-hot water boiler; 31-boiler water supply pipe; 32-second water supply solenoid valve; 4-user return pipe; 41-first return valve; 5-user water supply pipe; 51-water supply booster pump; 6-heat exchanger return pipe; 61-second return valve; 7-heat exchanger water supply pipe; 71-first check valve; 72-first circulating water pump; 8-boiler return pipe; 81-third return valve; 9-boiler water supply pipe; 91-second check valve; 92-second circulating water pump. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the specific implementation methods and the accompanying drawings. The accompanying drawings are only for illustrative purposes and are only schematic diagrams, not actual drawings, and should not be construed as limiting the present application. In order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. It is understandable to those skilled in the art that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0024] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on the present application. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0025] like Figure 1-3 As shown, a regional heating operation system includes a control unit and a heat supply and exchange unit. The control unit is electrically connected to a data acquisition unit and an execution unit. It is characterized in that the data acquisition unit includes a user data acquisition module, an industrial waste heat data acquisition module, a heat exchange and insulation water tank data acquisition module and a hot water boiler heating data acquisition module. The data acquisition unit can collect user data, data of the industrial waste heat heating module, data of the hot water boiler heating module and data of the heat exchange and insulation module in real time, thereby realizing real-time monitoring of the heating operation.

[0026] The heat supply and exchange unit includes a heat exchange and insulation module, an industrial waste heat heating module and a hot water boiler heating module; the execution unit includes a first return valve 41, a water supply booster pump 51, a first circulating water pump 72, a second circulating water pump 92, a first water replenishment solenoid valve 22 and a second water replenishment solenoid valve 32.

[0027] The control unit processes and analyzes the collected data, and outputs a signal to the execution unit according to the analyzed data, so that the first return valve 41, the water supply booster pump 51, the first circulating water pump 72, the second circulating water pump 92, the first water replenishment solenoid valve 22 and the second water replenishment solenoid valve 32 are switched to corresponding working states.

[0028] The heat exchange and insulation module includes a heat exchange and insulation water tank 1, which is used to store hot water required for heating in the area. The top of the heat exchange and insulation water tank 1 is connected to a user return pipe 4, and the user return pipe 4 is provided with a first return valve 41. The lower part of the heat exchange and insulation water tank 1 is connected to a user water supply pipe 5, and the user water supply pipe 5 is provided with a water supply booster pump 51. A water supply passage is formed between the heat exchange and insulation water tank 1, the user water supply pipe 5, the user and the user return pipe 4, so that the hot water in the heat exchange and insulation water tank 1 is transported to the user through the user water supply pipe 5, and then flows back to the heat exchange and insulation water tank 1 from the user through the user return pipe 4 after heat exchange.

[0029] The industrial waste heat heating module includes a waste heat recovery heat exchanger 2, which is connected to the heat exchange and insulation water tank 1 through a heat exchanger return pipe 6 and a heat exchanger water supply pipe 7. The heat exchanger water supply pipe 7 is provided with a first circulating water pump 72, which can form a water circulation between the waste heat recovery heat exchanger 2 and the heat exchange and insulation water tank 1 to ensure the temperature inside the heat exchange and insulation water tank 1.

[0030] The hot water boiler heating module includes a hot water boiler 3, which is connected to the heat exchange and insulation water tank 1 through a boiler return pipe 8 and a boiler water supply pipe 9, and a second circulating water pump 92 is provided on the boiler water supply pipe 9. Water circulation can be formed in the hot water boiler 3 and the heat exchange and insulation water tank 1 to ensure the temperature in the heat exchange and insulation water tank 1.

[0031] An overflow port 11 is provided at the top of the heat exchange and insulation water tank 1 to prevent excessive heat exchange and insulation water tank 1. A sewage pipe 12 is connected to the bottom of the heat exchange and insulation water tank 1. A sewage valve 13 is provided on the sewage pipe 12 for replacing the waste water in the heat exchange and insulation water tank 1.

[0032] The waste heat recovery heat exchanger 2 is connected to a heat exchanger water supply pipe 21, and a first water supply solenoid valve 22 is provided on the heat exchanger water supply pipe 21 to prevent the waste heat recovery heat exchanger 2 from evaporating too much water during the heating process or the user's water use, which causes the heat exchange and insulation water tank 1 to be short of water, thereby affecting the water circulation.

[0033] The hot water boiler 3 is connected to a boiler water supply pipe 31, on which a second water supply solenoid valve 32 is provided to prevent the hot water boiler 3 from evaporating too much water during the heating process or the user's water use, causing the heat exchange and insulation water tank 1 to be short of water, thereby affecting the water circulation.

[0034] The regional heating operation system provided by the utility model is provided with an industrial waste heat heating module and a hot water boiler heating module. The industrial waste heat can be used for heating at the same time, and the hot water boiler 3 can be combined for heating. When the required heating temperature cannot be reached by using only the industrial waste heat, the hot water boiler 3 can be combined for heating. When the required heating temperature is reached by using only the industrial waste heat, there is no need to combine the hot water boiler 3 for heating, thus realizing the use of industrial waste heat for heating, improving energy utilization, and saving energy.

[0035] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A district heating operation system, comprising a control unit and a heat supply and exchange unit, wherein the control unit is electrically connected to a data acquisition unit and an execution unit, characterized in that: The data acquisition unit includes a user data acquisition module, an industrial waste heat data acquisition module, a heat exchange and insulation water tank data acquisition module and a hot water boiler heating data acquisition module; The heat supply and exchange unit includes a heat exchange and insulation module, an industrial waste heat heating module and a hot water boiler heating module; The execution unit includes a first water return valve, a water supply booster pump, a first circulating water pump, a second circulating water pump, a first water replenishment solenoid valve and a second water replenishment solenoid valve.

2. A district heating operation system according to claim 1, characterized in that: The heat exchange and insulation module includes a heat exchange and insulation water tank, the top of which is connected to a user return pipe, the user return pipe is provided with the first return valve, the lower part of the heat exchange and insulation water tank is connected to a user water supply pipe, the user water supply pipe is provided with the water supply booster pump.

3. A district heating operation system according to claim 2, characterized in that: The industrial waste heat heating module includes a waste heat recovery heat exchanger, which is connected to the heat exchange and insulation water tank through a heat exchanger return pipe and a heat exchanger supply pipe. The heat exchanger supply pipe is provided with a first circulating water pump and a first check valve, and the heat exchanger return pipe is provided with a second return valve.

4. A district heating operation system according to claim 2, characterized in that: The hot water boiler heating module includes a hot water boiler, which is connected to the heat exchange and insulation water tank through a boiler return pipe and a boiler supply pipe. The boiler supply pipe is provided with a second circulating water pump and a second check valve, and the boiler return pipe is provided with a third return valve.

5. A district heating operation system according to claim 2, characterized in that: An overflow port is arranged at the upper part of the heat exchange and thermal insulation water tank, a sewage pipe is connected to the bottom of the heat exchange and thermal insulation water tank, and a sewage valve is arranged on the sewage pipe.

6. A district heating operation system according to claim 3, characterized in that: The waste heat recovery heat exchanger is connected to a heat exchanger water supply pipe, and a first water supply solenoid valve is provided on the heat exchanger water supply pipe.

7. A district heating operation system according to claim 4, characterized in that: The hot water boiler is connected to a boiler water supply pipe, and a second water supply solenoid valve is provided on the boiler water supply pipe.

Images