A Texaco gasifier black water heat recovery and treatment system

A recovery treatment and gasification furnace technology, applied in the direction of degassed water/sewage treatment, multi-stage water treatment, water/sewage treatment, etc., can solve the problems of rough recovery methods and low efficiency, and achieve improved gas-liquid conversion efficiency, The effect of high heat recovery and utilization efficiency

Active Publication Date: 2020-02-28
安徽省鸿鑫生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The disadvantage of the above method is that the heat is only recovered to the water used in the gasification section through the heat exchange inside the hot water tower. This recovery method is relatively rough and the efficiency is low.

Method used

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  • A Texaco gasifier black water heat recovery and treatment system
  • A Texaco gasifier black water heat recovery and treatment system
  • A Texaco gasifier black water heat recovery and treatment system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] See Figure 1-3 , A Texaco gasifier black water heat recovery treatment system, comprising a multi-stage flash system and a flash heat exchange system, the multi-stage flash system comprising a high-pressure flash tank 1, a low-pressure flash tank 2, and a vacuum Flash tank 3, the flash heat exchange system includes compressor 4, cooling pipe 8 and heating heat exchanger 5. The gas phase outlet of high pressure flash tank 1 is connected to the gas phase inlet of hot water tower 6, and the hot water tower 6 is equipped with Cooling pipe 8, the outlet of cooling pipe 8 is connected to the inlet of heating heat exchanger 5 through a pipe, the inlet of cooling pipe 8 is connected to the refrigerant outlet of heating heat exchanger 5 through an expansion valve, and the refrigerant inlet of heating heat exchanger 5 passes through The pipeline is connected to the outlet of the compressor 4; the liquid phase outlet of the high-pressure flash tank 1 is connected to the liquid inl...

Embodiment 2

[0032] The sewage treatment system includes a primary sedimentation tank 11, a reaction sedimentation tank 12, a gray water collection tank 13 and a filter feed tank 14. The upper outlet of the primary sedimentation tank 11 is connected to the reaction sedimentation tank 12, and the upper outlet of the reaction sedimentation tank 12 is drained The pump is connected to the grey water collection tank 13. The outlet of the grey water collection tank 13 is connected to the gas chemical section. The bottom outlet of the primary sedimentation tank 11 is connected to the filter feed tank 14, the outlet of the filter feed tank 14 is connected to the filter feed pump, and the outlet of the filter feed pump is connected to the roughing filter. Reactive precipitation is carried out in the ordinary precipitation and flocculation process to reduce Ca in water 2+ , Mg 2+ Ion content to avoid pipeline fouling.

Embodiment 3

[0034] The difference from the second embodiment is that the primary sedimentation tank 11 is connected to the flocculant pipeline, the reaction sedimentation tank 12 is equipped with a stirrer, and the top is connected to the NaOH pipeline and NaOH pipeline. 2 CO 3 Pipes and flocculant pipelines.

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Abstract

The invention discloses a Texaco gasifier black water heat recovery and treatment system. The Texaco gasifier black water heat recovery and treatment system comprises a multistage flash evaporator system and a flash evaporation heat exchange system, the multistage flash evaporator system comprises a high-pressure flash evaporation tank, a low-pressure flash evaporation tank and a vacuum flash evaporation tank, the flash evaporation heat exchange system comprises a compressor, a cooling grid and a heating heat exchanger, the gas phase outlet of the high-pressure flash evaporation tank is connected with the gas phase inlet of a hot water tower, the cooling rid is arranged in the hot water tower, the outlet of the cooling grid is connected with the inlet of the heating heat exchanger through a pipeline, and the inlet of the cooling grid is connected with the refrigerant outlet of the heating heat exchanger; the liquid phase outlet of the high-pressure flash evaporation tank is connected with the liquid inlet of the heating heat exchanger, the liquid outlet of the heating heat exchanger is connected with the inlet of the low-pressure flash evaporation tank, and the liquid phase outlet of the low-pressure flash evaporation tank is connected with the inlet of the vacuum flash evaporation tank. The flash evaporation heat exchange system absorbs heat in the hot water tower and uses the absorbed heat to heat blank water among the flash evaporation tanks, so the heat recycling efficiency is high, and the gas-liquid conversion efficiency in the hot water tower is increased.

Description

Technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a Texaco gasifier black water heat recovery treatment system. Background technique [0002] In recent years, my country's new coal chemical industry, which mainly produces clean energy (such as hydrogen, methane, methanol, etc.) or substitutes petrochemical products (such as ethylene raw materials, polypropylene raw materials, dimethyl ether, etc.), has developed strongly. Among them, Texaco (GE) coal water slurry gasification technology is one of the more successful coal gasification technologies applied at home and abroad, and it has been applied in my country for more than 30 years. The GE gasifier is the core equipment of the Texaco coal-water slurry pressurized gasification unit. It includes a combustion chamber and a quench chamber. The upper part is the combustion chamber and the lower part is the quench chamber. There are quench rings and downcomers inside. , Riser p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/10
CPCC02F1/001C02F1/048C02F1/06C02F1/20C02F1/52C02F1/5281C02F9/00C02F2301/08C02F2303/10
Inventor 张阳
Owner 安徽省鸿鑫生物科技有限公司
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