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Novel waste heat recovery combined heating and power system

A technology of waste heat recovery and combined heat and power supply, which is applied in lighting and heating equipment, steam engine devices, steam generating devices, etc., can solve problems such as energy waste, high energy and low use, water quality and heat energy waste, and achieve good economic benefits. Realize the effect of energy utilization and system simplicity

Active Publication Date: 2014-06-04
SHANGHAI BAOSTEEL ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The steam is released, causing waste of water and heat energy, and polluting the environment; the temperature and pressure reducer reduces the steam parameters, resulting in high energy and low utilization, and energy waste

Method used

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  • Novel waste heat recovery combined heating and power system
  • Novel waste heat recovery combined heating and power system
  • Novel waste heat recovery combined heating and power system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] refer to figure 1 , the new waste heat recovery combined heat and power system includes a waste heat boiler 1, a first generating set, a second generating set, a first condenser 33, a first condensate pump 34, a third generating set, a second condenser 43, a second Condensate water pump 44, deaerator 5 and feed water pump 6, as well as the steam and water pipelines and auxiliary equipment connecting the various components; in addition, in this embodiment, the waste heat boiler 1 adopts a dual-pressure waste heat boiler, and the water in the waste heat boiler 1 is used in industrial Under the action of waste heat, high-pressure steam and low-pressure steam are generated, which are output from high-pressure steam pipeline 11 and low-pressure steam pipeline 12 respectively.

[0051] Specifically, the first generating set includes a first steam turbine 21 and a first generator 22 connected thereto, wherein the first steam turbine 21 can be a screw machine or a back pressure...

Embodiment 2

[0062] refer to figure 2 , the new waste heat recovery combined heat and power system includes a waste heat boiler 1, a first generator set, a third generator set, a second condenser 43, a second condensate pump 44, a deaerator 5 and a feed water pump 6, as well as connecting the components Some steam and water pipelines, auxiliary equipment, etc.; in this embodiment, the waste heat boiler 1 adopts a dual-pressure waste heat boiler, and the dual-pressure waste heat boiler includes a high-pressure steam pipeline 11 and a low-pressure steam pipeline 12 .

[0063] Specifically, the first generator set is connected to the output end of the high-pressure steam pipeline 11, and the first generator set further includes a first steam turbine 21 and a first generator 22 connected thereto; wherein the first steam turbine 21 can be a screw machine or a back Compression steam turbine is not limited here. The first steam turbine 21 is connected to the output end of the high-pressure stea...

Embodiment 3

[0068] refer to image 3 , the new waste heat recovery combined heat and power system includes a waste heat boiler 1, a first generator set, a second generator set, a first condenser 33, a first condensate pump 34, a deaerator 5, a feed water pump 6, and connecting components Part of the steam and water pipelines, auxiliary equipment, etc.; wherein, the second generator set includes a second steam turbine 31 and a second generator 32 connected thereto; the waste heat boiler 1 is a single-pressure waste heat boiler that generates single-pressure steam; the second steam turbine 31 A third valve 83 is provided on the input end of the exhaust heat boiler 1 to control the on-off of the pipeline between the waste heat boiler 1 and the second steam turbine 31 .

[0069] In this embodiment, the first generator set further includes a first steam turbine 21 and a first generator 22 connected thereto. The first steam turbine 21 is connected to the steam output end of the waste heat boil...

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Abstract

The invention provides a novel waste heat recovery combined heating and power system. Main system equipment includes a dual-pressure waste heat boiler, a first generating set, a second generating set, a third generating set, a condenser, a condensate pump, an oxygen extractor, a water supply pump and the like. The first generating set is connected with a high-pressure steam pipeline of the dual-pressure waste heat boiler to form a heating and power system. The second generating set is connected with the high-pressure steam pipeline and a low-pressure steam pipeline to form two generating loops. The third generating set is connected with the low-pressure steam pipeline of the dual-pressure waste heat boiler to form a generating loop. The novel waste heat recovery combined heating and power system can be flexibly designed and scheduled to achieve combined heating and power supply according to actual situations and specific needs; for users with highly varying seasonal heating needs or heat loads, steam recovered by the waste heat boiler can be fully utilized, and energy resources can be maximally utilized; the novel waste heat recovery combined heating and power system is simple, reliable and good in economic benefit.

Description

technical field [0001] The invention relates to the technical field of industrial waste heat recovery and utilization, in particular to a novel waste heat recovery combined heat and power system. [0002] Background technique [0003] With the increasing shortage of conventional energy and the increasing requirements for energy conservation and emission reduction, higher requirements are put forward for energy recovery and efficient comprehensive utilization, and production enterprises pay more and more attention to the recovery and utilization of process waste heat and energy, so the cascade distribution of energy and high efficiency Utilization is particularly important. At present, in the utilization of industrial waste heat, waste heat boilers are generally used to recover heat energy. Usually, steam is recovered by dual pressure, and dual pressure is used to generate electricity, and at the same time (or) undertake heat supply. Due to geographical or other reasons, so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B33/18F01K13/00
CPCY02P80/15
Inventor 王暐成海峰陈志良钮坤黄立
Owner SHANGHAI BAOSTEEL ENERGY TECH
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