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Industrial waste treatment technology and device thereof

A technology of industrial waste and treatment process, which is applied in water/sewage treatment, heating water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problems that incineration of sewage cannot be completed at the same time, the amount of treatment is small, and it is not suitable for control. Achieve the effect of solving the problem that solid hazardous waste cannot be disposed of, saving operating costs, and not adding chemicals

Pending Publication Date: 2018-11-02
PINGYUAN ZHONGDE TAIXING ENVIRONMENTAL PROTECTIONTECH & EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. The sewage concentration treatment device cannot achieve full concentration, and some high-concentration sewage still needs to be further oxidized and decomposed;
[0007] 2. The incineration of solid hazardous waste and incineration of sewage cannot be completed at the same time, and the incineration of sewage has high energy consumption and less treatment capacity;
[0008] 3. The process of concentrating sewage is complex, unsuitable for control and high in energy consumption

Method used

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  • Industrial waste treatment technology and device thereof
  • Industrial waste treatment technology and device thereof
  • Industrial waste treatment technology and device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] An industrial waste treatment device, including an integrated sewage concentration system, an incinerator, a high-temperature flue gas recovery boiler, a flue gas waste heat recovery system, and a tail gas treatment system; an integrated sewage concentration system for evaporating high-salt wastewater Concentration, the solid-containing sediment produced by evaporation and concentration enters the incinerator for oxidation and incineration; the integrated sewage concentration system includes an evaporator 11 and a heat exchanger 13, and the cross-sectional area of ​​the evaporator 11 gradually decreases from the middle to the top. Form steam collection chamber 2; The longitudinal section of steam collection chamber 2 is disc-shaped, and the area of ​​the cross section of evaporator 11 gradually reduces from the middle part to bottom end, forms sediment collection chamber 3; The longitudinal section of sediment collection chamber 3 is Disc;

[0060] The top of the steam ...

Embodiment 2

[0069] An industrial waste treatment device, including a rotary furnace, an integrated sewage concentration system, an incinerator, a high-temperature flue gas recovery boiler, a flue gas waste heat recovery system, and a tail gas treatment system; the industrial waste treatment device also includes a rotary kiln , The rotary furnace is used to incinerate industrial solid waste. The flue gas produced by the rotary furnace incineration of industrial solid waste enters the second combustion chamber of the incinerator and is further heated and oxidized to 1000-1100 °C. The integrated sewage concentration system is used to evaporate and concentrate high-salt wastewater, and the solid-containing sediment produced by evaporation and concentration enters the incinerator for oxidation and incineration; the integrated sewage concentration system includes an evaporator 11 and a heat exchanger 13, and the evaporator 11 automatically The area of ​​the cross-section from the middle portion ...

specific Embodiment approach

[0080] Specific embodiments: an industrial waste treatment device, including an incinerator, a natural gas burner, a steam boiler, a generator set, a negative pressure evaporator, an air preheater, a bag filter, a circulating fan, a feeding pump, an absorption tower, and a dust collector desulfurization towers, water softeners and chimneys. The treatment capacity of the device (based on sewage) is 3 tons / hour, the by-product steam is 3 tons / hour, the comprehensive consumption of sewage treatment is 130 yuan / ton, and the process equipment is running stably.

[0081] 1) In actual production, 4 sets of natural gas burners are set up to burn sewage in the incinerator, which generates a high temperature of about 1200°C-1350°C, and the pollutants in the sewage are oxidized and decomposed at high temperature and converted into non-polluting oxides dust;

[0082] 2) The high-temperature flue gas from the incinerator is absorbed by a specially designed steam boiler, and the by-product...

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PUM

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Abstract

The invention discloses an industrial waste treatment technology and a device thereof. A method comprises the steps that hazardous waste of tar and the like is subjected to incineration, high-concentration high-salinity sewage is subjected to incineration, the two segments of incineration are combined to form a secondary complete incineration system, hazardous pollutants are removed, and the solidhazardous waste is treated when sewage incineration is conducted; meanwhile, high-temperature waste heat and medium-temperature waste heat are recycled, so that the sewage treatment cost is reduced;an integrated sewage concentration system is adopted, so that the sewage incineration quantity is reduced by 40%-60%, the sewage treatment cost can be saved by 30% or above, the direct cost of sewageincineration is reduced, whole system energy consumption is low, and sewage treatment recycling is achieved.

Description

technical field [0001] The invention relates to the technical field of environmental protection waste water and solid waste treatment, in particular to an industrial waste treatment process and a device thereof. In particular, it involves the use of heat energy from natural gas combustion to oxidize waste water (solid waste), regenerate steam utilization, low-temperature negative pressure concentration of sewage, etc., so as to achieve efficient and energy-saving treatment of sewage (solid waste). Background technique [0002] Treatment of wastewater and solid waste is a necessary process in the environmental protection industry chain and a process of reinvestment. High investment and poor treatment effect are urgent problems to be solved. In particular, the treatment of high-concentration, high-salt sewage and tar is more difficult and costly. High-concentration wastewater refers to the discharge of sewage with high organic content and no recovery value or high cost of re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04C02F1/16F23G7/04
CPCF23G7/04C02F1/04C02F1/16
Inventor 武中臣孙勇赵译文樊荣武
Owner PINGYUAN ZHONGDE TAIXING ENVIRONMENTAL PROTECTIONTECH & EQUIP CO LTD
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