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Device of saturated steam directly entering turbine for expansion power generation

An expansion power generation and steam turbine technology, applied in the fields of resources and environment, can solve the problems of unavailability of medium and low pressure saturated steam, large heat transfer area of ​​waste heat boilers, and low energy utilization rate of enterprises, and achieves increased power generation, simplified layout, and equipment cost. reduced effect

Active Publication Date: 2015-11-25
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, waste heat boiler and steam turbine are commonly used to recover the waste heat of flue gas. However, because the steam turbine has certain requirements on the superheat degree of the imported flue gas, a certain superheating section must be set in the waste heat boiler. Because the heat transfer coefficient inside and outside the superheating section is low, As a result, the heat transfer area of ​​the waste heat boiler is large, and the initial investment in equipment is high, which affects the enthusiasm of the enterprise
In addition, many enterprises have a lot of medium and low pressure saturated steam that cannot be used, resulting in low energy utilization and even a great waste of water resources

Method used

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  • Device of saturated steam directly entering turbine for expansion power generation
  • Device of saturated steam directly entering turbine for expansion power generation
  • Device of saturated steam directly entering turbine for expansion power generation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as Figures 1 to 2 As shown, the saturated steam directly enters the steam turbine expansion power generation device, which includes a saturated steam heating system, a gas-liquid separation system, a throttling hybrid structure, a cooling water circulation structure, an oxygen removal system, and connected pipelines and accessories;

[0024] The saturated steam heating system is a waste heat boiler 1, the gas-liquid separation system includes a gas-liquid separator 5 and a hydrophobic expander 13, and the throttling hybrid structure includes an inlet cylinder 6, an air extraction port 7, a steam supply port 8, a pressure reducing and stabilizing Valve 9, supplementary steam mixing chamber 10, steam turbine 11 and generator 12, the cooling water circulation structure includes a water-cooled condenser 15, a cooling tower 16 and a circulating water pump 17, and the oxygen removal system includes a deaerator 14;

[0025] The top of the waste heat boiler 1 of the satur...

Embodiment 2

[0027] Such as figure 1 , 3 As shown, the saturated steam directly enters the steam turbine expansion power generation device, which includes a saturated steam heating system, a gas-liquid separation system, a throttling hybrid structure, a cooling water circulation structure, an oxygen removal system, and connected pipelines and accessories;

[0028] The saturated steam heating system is a waste heat boiler 1, the gas-liquid separation system includes a gas-liquid separator 5 and a hydrophobic expander 13, and the throttling hybrid structure includes an inlet cylinder 6, an air extraction port 7, a steam supply port 8, a pressure reducing and stabilizing Valve 9, supplementary steam mixing chamber 10, steam turbine 11 and generator 12, the cooling water circulation structure includes a water-cooled condenser 15, a cooling tower 16 and a circulating water pump 17, and the oxygen removal system includes a deaerator 14;

[0029]The top of the waste heat boiler 1 of the saturate...

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Abstract

The invention discloses a device of saturated steam directly entering a turbine for expansion power generation, and belongs to the technical field of resources and environments. The device comprises a saturated steam heating system, a gas-liquid separation system, a throttle mixed structure, a cooling water circulating structure, an oxygen removing system and connecting pipelines and accessories, wherein a gas extracting port is formed in the turbine in the throttle mixed structure, and is in pipe connection with a pressure reducing and stabilizing valve; the pressure reducing and stabilizing valve is in pipe connection with a steam replenishing mixing chamber through a steam replenishing port; the turbine is connected with a generator; and a steam outlet of a drain flash tank is connected with the mixing chamber through the pressure stabilizing valve. Under the condition of a general turbine (turbine) having no condensed water removing measure in a final-stage flow path, the device uses the saturated steam for directly entering the turbine for expansion power generation, and guarantees no generation of condensed water in the steam expansion process or the satisfaction of the steam moisture content to the economical and safety operation requirements.

Description

technical field [0001] The invention relates to a device for generating power by expanding saturated steam directly into a steam turbine, especially aimed at resource utilization of saturated steam waste heat discharged from existing industries or other forms of medium and low temperature waste heat, solar power generation, biomass power generation and geothermal power generation, and belongs to resources and environmental technologies. Background technique [0002] There are a large number of waste heat resources in our country, especially various flue gas waste heat resources, which have the characteristics of high recovery feasibility and good economy. However, in the production process of seven high-energy-consuming industries such as steel, cement, caustic soda, synthetic ammonia, glass, sulfuric acid, and calcium carbide, a lot of waste heat from mid- and low-temperature flue gas has not been recycled. These resources can be developed and utilized with a potential of m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K11/02F01D15/10F22B33/18
Inventor 王辉涛贾炯石磊陈娅葛众
Owner KUNMING UNIV OF SCI & TECH