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Incineration method for salt-contained organic mixed waste liquid

A waste liquid and organic technology, applied in the field of waste liquid treatment, can solve the problems of low safety factor, complicated incineration method, low work efficiency, etc., and achieve the effects of high combustion efficiency, excellent treatment effect and short combustion time

Inactive Publication Date: 2016-11-16
NANTONG FANGDU ESTATE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Generally, the incineration technology in the prior art has long incineration time, complicated incineration method, low safety factor, and low work efficiency. Aiming at a series of problems and defects in the existing waste liquid treatment method, an improved method is urgently needed to solve the problem. Meet the technological needs of today's society

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] After the gas-solid separation of the salt-containing organic mixed waste liquid in the separation chamber, the blower and burner of the incinerator are turned on to make the temperature of the incinerator reach 992°C, and compressed air is introduced into the waste liquid, and the amount of compressed air introduced is controlled as 0.6L to atomize the waste liquid, and then put it into the waste liquid burner. The temperature of the high-temperature burner is 1900°C, and the burning time is 3s; adjust the wind force of the cooling air system in the incinerator, and control the temperature of the flue gas at the inlet of the waste heat boiler to 1150°C; Finally, the flue gas with a temperature of 260°C is put into the lye for desulfurization, and after passing through the decolorization and deodorization device, the purified flue gas is discharged. The compression pressure of the compressed air is 0.6MPa.

[0016] Through the operation method of this embodiment, the ch...

Embodiment 2

[0018] After the gas-solid separation of the salt-containing organic mixed waste liquid in the separation chamber, the blower and burner of the incinerator are turned on to make the temperature of the incinerator reach 1110°C, and compressed air is introduced into the waste liquid, and the amount of compressed air introduced is controlled as 0.6L to make the waste liquid atomized, and then put it into the waste liquid burner. The temperature of the high-temperature burner is 1150°C, and the incineration time is 5s; 1110°C; Finally, the flue gas with a temperature of 255°C is put into the lye for desulfurization, and after passing through the decolorization and deodorization device, the purified flue gas is discharged. The compression pressure of the compressed air is 0.6MPa.

[0019] Through the operation method of this embodiment, the chemical oxygen demand contained in the exhaust gas is reduced to 66mg / L, which meets the national emission standard.

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Abstract

The invention discloses an incineration method for salt-contained organic mixed waste liquid. The method includes the steps of separation, incineration, waste heat recovery and tail gas purification. In the incineration step, an air blower and a combustor are started, the temperature of an incinerator reaches 500 DEG C-1200 DEG C, compressed air is led into the waste liquid, the compression air leading-in amount is controlled to range from 0.6 L to 0.7 L, the waste liquid is thrown into the waste liquid combustor after being atomized, the temperature of a high-temperature combustion furnace ranges from 1150 DEG C to 1900 DEG C, and the incineration time ranges from 2 s to 7 s. According to the incineration method for the salt-contained organic mixed waste liquid, the combustion time is short, the combustion efficiency is high, energy conservation and consumption reduction are achieved, and continuous and stable operation can be achieved through the method; high-temperature hot air is led into the incinerator combustor, and therefore an efficient and stable combustion cycle of the high-concentration organic salt-contained waste liquid is ensured; and the high-concentration salt-contained organic waste liquid and high-concentration organic salt-contained waste water or waste oil are combusted through atomization of the compressed air, and a treatment effect is good.

Description

technical field [0001] The invention relates to a waste liquid incineration method, in particular to a salt-containing organic mixed waste liquid incineration method, and belongs to the field of waste liquid treatment. Background technique [0002] High-concentration salt-containing organic waste liquid widely exists in new varieties of pesticides and pharmaceutical production equipment. Because it contains some substances that pollute the environment, it needs to be treated before being discharged and cannot be discharged directly. [0003] Solve the hazards of coking, slagging, corrosion and other hazards caused by low melting point salts such as alkali metal salts during the incineration of saline organic waste liquid. Process and method: Evaporation crystallization-incineration process is applied to the treatment of saline waste liquid rich in low-boiling organic matter, which can achieve desalination and reduce the amount of auxiliary fuel at the same time. Evaporate t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/04F23L15/00F23J15/04
CPCF23G7/04F23G2201/60F23G2206/203F23G2209/101F23J15/04F23J2215/20F23L15/00F23L2900/15043Y02E20/12Y02E20/34
Inventor 王国斌
Owner NANTONG FANGDU ESTATE CO LTD
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