CN215570757U - Distributed heat supply energy storage system - Google Patents

Abstract

The utility model discloses a distributed heat supply and energy storage system, which comprises a main heat supply system, a master control system and a plurality of secondary heat supply systems, wherein the main heat supply system comprises a main heat supply system and a plurality of secondary heat supply systems; the main heating system comprises a circulating pump, a return water thermometer, a main control flowmeter, a boiler and a water supply thermometer which are sequentially connected through a pipeline, wherein a return water pipe is arranged at the end part of the circulating pump, which is far away from the return water thermometer, and a water supply pipe is arranged at the end part of the water supply thermometer, which is far away from the boiler; the main control system comprises a pressure equalizing pipe, a primary flowmeter and a main control electric adjusting door are arranged on the pressure equalizing pipe, the end, far away from the main control electric adjusting door, of the pressure equalizing pipe is connected with the water return pipe, and the end, far away from the primary flowmeter, of the pressure equalizing pipe is connected with the water supply pipe. Compared with the prior art, the utility model has the advantages that: the water supply temperature is unchanged, and the return water temperature is greatly increased, so that the aim of heat storage of a pipe network is fulfilled. High efficiency, low energy consumption and good market popularization value.

Description

Distributed heat supply energy storage system

Technical Field

The utility model relates to the technical field of heat supply and energy storage, in particular to a distributed heat supply and energy storage system.

Background

An energy storage system is often associated in a heat supply system, and the traditional heat supply energy storage system always has the problems that the efficiency is to be improved and the return water temperature is too low, so that the heat storage capacity is not large; under the condition of forcibly increasing the total circulating flow, although the return water temperature is greatly increased, the energy consumption is correspondingly increased. Based on the above problems, a distributed heat supply energy storage system is urgently needed to be researched.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems mentioned in the background technology and provide a distributed heat supply and energy storage system.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a distributed heat supply energy storage system comprises a main heat supply system, a master control system and a plurality of secondary heat supply systems;

the main heating system comprises a circulating pump, a return water thermometer, a main control flowmeter, a boiler and a water supply thermometer which are sequentially connected through a pipeline, wherein a return water pipe is arranged at the end part of the circulating pump, which is far away from the return water thermometer, and a water supply pipe is arranged at the end part of the water supply thermometer, which is far away from the boiler;

the main control system comprises a pressure equalizing pipe, a primary flowmeter and a main control electric adjusting door are arranged on the pressure equalizing pipe, the end part of the pressure equalizing pipe, far away from the main control electric adjusting door, is connected with the water return pipe, and the end part of the pressure equalizing pipe, far away from the primary flowmeter, is connected with the water supply pipe;

the second grade heating system includes second grade pump, second grade electric control door, heat transfer system includes by the second grade flowmeter and the plate heat exchanger of pipeline series connection, heat transfer system, parallelly connected back of second grade electric control door with the second grade pump is connected, the second grade pump respectively with second grade flowmeter, second grade electric control door are connected, the second grade pump with the wet return is connected, the second grade heating system keep away from the tip of second grade pump with supply pipe connection.

Preferably, the number of the secondary heating systems is not less than 2.

Compared with the prior art, the utility model has the advantages that: the water supply temperature is unchanged, and the return water temperature is greatly increased, so that the aim of heat storage of a pipe network is fulfilled. High efficiency, low energy consumption and good market popularization value.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic diagram of the structure of the secondary heating system of the present invention.

As shown in the figure: 1. the system comprises a main heating system, 2, a main control system, 3, a secondary heating system, 4, a water return pipe, 5, a water supply pipe, 101, a circulating pump, 102, a water return thermometer, 103, a main control flowmeter, 104, a boiler, 105, a water supply thermometer, 201, a pressure equalizing pipe, 202, a primary flowmeter, 203, a main control electric regulating door, 301, a secondary pump, 302, a secondary electric regulating door, 303, a heat exchange system, 3031, a secondary flowmeter, 3032 and a plate heat exchanger.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the attached drawings, the distributed heat supply and energy storage system comprises a main heat supply system 1, a main control system 2 and a plurality of secondary heat supply systems 3;

the main heating system 1 comprises a circulating pump 101, a return water thermometer 102, a main control flowmeter 103, a boiler 104 and a water supply thermometer 105 which are sequentially connected through pipelines, wherein a return water pipe 4 is arranged at the end part of the circulating pump 101, which is far away from the return water thermometer 102, and a water supply pipe 5 is arranged at the end part of the water supply thermometer 105, which is far away from the boiler 104;

the main control system 2 comprises a pressure equalizing pipe 201, a primary flowmeter 202 and a main control electric adjusting door 203 are arranged on the pressure equalizing pipe 201, the end part of the pressure equalizing pipe 201 far away from the main control electric adjusting door 203 is connected with the water return pipe 4, and the end part of the pressure equalizing pipe 201 far away from the primary flowmeter 202 is connected with the water supply pipe 5;

the secondary heat supply system 3 comprises a secondary pump 301, a secondary electric adjusting door 302 and a heat exchange system 303, the heat exchange system 303 comprises a secondary flowmeter 3031 and a plate heat exchanger 3032 which are connected in series by pipelines, the heat exchange system 303 and the secondary electric adjusting door 302 are connected in parallel and then connected with the secondary pump 301, the secondary pump 301 is respectively connected with the secondary flowmeter 3031 and the secondary electric adjusting door 302, the secondary pump 301 is connected with the water return pipe 4, and the end part of the secondary heat supply system 3, which is far away from the secondary pump 301, is connected with the water supply pipe 5.

The number of the secondary heating systems 3 is not less than 2.

When the utility model is implemented specifically, the heat storage is realized by combining PLC automatic control after the process arrangement. 1. The frequency of a main circulating pump at the boiler side is improved, and the total circulating flow is increased; at the moment, the frequency of the secondary pump is unchanged, the electric adjusting door is in a closed state, and the flow of each heat exchange station is unchanged; the pressure equalizer flow increases.

2. The frequency of a secondary pump is improved while the first process is carried out, the opening of an electric adjusting door of the heat exchange station is automatically adjusted by taking the plate side-changing flow as a reference, and the plate side-changing flow is ensured to be constant; at the moment, the flow of the pressure equalizing pipe is gradually reduced along with the increase of the frequency of the secondary pump. 3. And the numerical value display of the pressure pipe flowmeter is ensured to be more than or equal to 0. 4. Meanwhile, the load of the boiler is gradually increased along with the flow, and the water supply temperature is ensured to be unchanged. 5. And then the return water temperature can be increased successively, the load of the boiler is reduced gradually, and the supply water temperature is still ensured to be unchanged.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (2)

1. The utility model provides a distributed heating energy storage system which characterized in that: the system comprises a main heating system, a master control system and a plurality of secondary heating systems;

the main heating system comprises a circulating pump, a return water thermometer, a main control flowmeter, a boiler and a water supply thermometer which are sequentially connected through a pipeline, wherein a return water pipe is arranged at the end part of the circulating pump, which is far away from the return water thermometer, and a water supply pipe is arranged at the end part of the water supply thermometer, which is far away from the boiler;

the main control system comprises a pressure equalizing pipe, a primary flowmeter and a main control electric adjusting door are arranged on the pressure equalizing pipe, the end part of the pressure equalizing pipe, far away from the main control electric adjusting door, is connected with the water return pipe, and the end part of the pressure equalizing pipe, far away from the primary flowmeter, is connected with the water supply pipe;

the second grade heating system includes second grade pump, second grade electric control door, heat transfer system includes by the second grade flowmeter and the plate heat exchanger of pipeline series connection, heat transfer system, parallelly connected back of second grade electric control door with the second grade pump is connected, the second grade pump respectively with second grade flowmeter, second grade electric control door are connected, the second grade pump with the wet return is connected, the second grade heating system keep away from the tip of second grade pump with supply pipe connection.

2. A distributed thermal energy storage system according to claim 1, wherein: the number of the secondary heating systems is not less than 2.

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