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Reverse supply steam pressurization regulation and control system and method self-adaptive to working conditions

A control system, self-adaptive technology, applied in the pipeline system, gas/liquid distribution and storage, mechanical equipment, etc., can solve the problems of energy loss, atmospheric environmental pollution, working medium loss, etc., and achieve good economic and social benefits, The effect of reducing the difficulty of regulation and increasing the utilization rate

Pending Publication Date: 2022-07-15
浙江英集动力科技有限公司
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AI Technical Summary

Problems solved by technology

[0004] However, the reverse supply steam is characterized by large flow and pressure fluctuations, which cannot be supplied stably, so it cannot be used effectively most of the time. When the parameters are not up to standard and cannot be sent to the heating steam pipe network, it will be directly discharged or cooled. The way to deal with the discharge will cause problems such as loss of working fluid and energy loss, and the back-supply steam will discharge to the atmosphere and cause pollution to the atmospheric environment at the same time

Method used

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  • Reverse supply steam pressurization regulation and control system and method self-adaptive to working conditions
  • Reverse supply steam pressurization regulation and control system and method self-adaptive to working conditions

Examples

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Embodiment 1

[0056] like figure 1 As shown in the figure, this embodiment provides a back-feed steam pressurization control system adaptive to working conditions, including a back-feed steam heat source 1, a steam surge tank 2, a first steam compressor 3, a second steam compressor 4, a Hot steam pipe network 5, data acquisition control center 6.

[0057] The reverse steam supply heat source 1 can output waste heat steam with large fluctuations in pressure, temperature and flow rate. The heat source includes but is not limited to the steam produced by the waste heat boiler of the industrial factory or the exhausted steam of the industrial factory process. The characteristic of this type of heat source is that the supplied steam can be used for It is a supplement to industrial heating, so it is called reverse steam supply, but the steam source parameters fluctuate greatly and the stability is very poor. Most of the time, the steam parameters do not meet the requirements of the heating pipe n...

Embodiment 2

[0075] like figure 2 As shown in the figure, a control method of a reverse steam supply pressurization system adaptive to working conditions includes:

[0076] Step S1, establishing the operation module of the reverse steam pressurization system;

[0077] Step S2, establishing the operation judgment module of the reverse supply steam pressurization system for the operation module of the reverse supply steam pressurization system established in step S1; based on the pressure of the heat supply pipe network, set the first target value P of the outlet pressure of the steam surge tank tar1 , obtain the measured value Pa of the outlet pressure of the steam surge tank, and judge whether the outlet pressure of the steam surge tank meets the standard, if Pa ≥ P tar1 If it reaches the standard, go to step S3; if it does not meet the standard, go to step S4;

[0078] Step S3, establish a direct supply module for reverse steam supply, open valve V10, close valves V2, V3, V4, V5, V6, t...

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Abstract

The invention provides a working condition self-adaptive reverse supply steam pressurization regulation and control system and a working condition self-adaptive reverse supply steam pressurization regulation and control method. The working condition self-adaptive reverse supply steam pressurization regulation and control system comprises a reverse supply steam heat source, a steam surge tank, a first steam compressor, a second steam compressor, a heat supply steam pipe network and a data acquisition control center. According to the working condition self-adaptive reverse supply steam pressurization regulation and control system and method, reverse supply steam can be stably improved to demand parameters in a working condition self-adaptive mode and then merged into a heat supply steam pipeline for external steam supply, and safe and stable operation of a heat supply pipe network is guaranteed while waste heat resources are recycled.

Description

technical field [0001] The invention relates to a pressure control system and method for back-feeding steam with self-adaptive working conditions, and belongs to the technical field of industrial central heating and energy saving. Background technique [0002] In my country's energy structure, heating is an important foundation and guarantee for people's livelihood projects and industrial production. In recent years, with the development of my country's economy and society, the proportion of total heating energy consumption in my country's energy consumption structure has been increasing. In the context of the "dual carbon strategy", improving energy utilization efficiency and recycling low-grade energy through technical means for rational use is one of the technical directions to achieve carbon peaking and carbon neutrality. [0003] The necessary energy in the production process of the industrial park is mainly heat, and the heat for production is mainly provided by the h...

Claims

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Application Information

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IPC IPC(8): F17D1/06F17D3/01F17D5/00
CPCF17D1/06F17D3/01F17D5/00
Inventor 吴云凯谢金芳裘天阅李岚
Owner 浙江英集动力科技有限公司
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