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Treatment system and method for percolate concentrated solution of garbage incineration power plant

A waste incineration and treatment system technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problems of less backspray, large incineration disturbance, easy clogging of spray guns, etc. , to reduce the influence of temperature, improve the filtering effect and improve the operation reliability

Inactive Publication Date: 2019-05-17
深圳市绿色东方环保有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the spray gun of the backspray system in the furnace is easy to be blocked, and it is easy to cause a large incineration disturbance. At the same time, the amount of backspray in the furnace is affected by the temperature in the furnace, and the amount of backspray is small.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A leachate dope treatment system of a waste incineration power plant, including a storage tank, a conveying system, a filtering system, a heating system and a spraying system, the storage tank is connected to the filtering system through a pipeline, and the filtering system is connected to the filtering system through a pipeline The conveying system is connected, the conveying system is connected with the heating system through pipelines, and the heating system is connected with the injection system through pipelines.

[0024] The leachate dope treatment system of the waste incineration power plant is also connected with a pipeline purge system for air purge or steam purge according to the use conditions of the leachate dope and the degree of dirt on the inner surface of the pipeline.

[0025] The injection system includes a furnace top spray gun and a spray gun head, the furnace top spray gun is arranged on the top of the combustion furnace, the spray gun head is connec...

Embodiment 2

[0029] A leachate dope treatment system of a waste incineration power plant, including a storage tank, a conveying system, a filtering system, a heating system and a spraying system, the storage tank is connected to the filtering system through a pipeline, and the filtering system is connected to the filtering system through a pipeline The conveying system is connected, the conveying system is connected with the heating system through pipelines, and the heating system is connected with the injection system through pipelines. The difference from Example 1 is that the heating system uses steam as the heat source, and the heat is exchanged through the tube heat exchanger. The leachate concentrate fully absorbs heat in the tube heat exchanger, and the leachate concentrate is heated to 80-90 After heating, the leachate concentrate is sprayed into the furnace through the furnace top spray gun for incineration. In order to ensure the atomization effect of the spray gun, the furnace t...

Embodiment 3

[0031] A leachate dope treatment system of a waste incineration power plant, including a storage tank, a conveying system, a filtering system, a heating system and a spraying system, the storage tank is connected to the filtering system through a pipeline, and the filtering system is connected to the filtering system through a pipeline The conveying system is connected, the conveying system is connected with the heating system through pipelines, and the heating system is connected with the injection system through pipelines. The heating system uses steam as the heat source, and the heat is exchanged through the tube heat exchanger. The leachate concentrate fully absorbs heat in the tube heat exchanger, and the leachate concentrate is heated to 80-90°C. After heating, the leachate concentrate The liquid is sprayed into the furnace through the spray gun on the top of the furnace and burned. In order to ensure the atomization effect of the spray gun, the difference from Example 2...

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Abstract

The invention discloses a treatment system for a percolate concentrated solution of a garbage incineration power plant. The treatment system comprises a storage tank which is connected with a filtering system through a pipeline; the filtering system is connected with a conveying system through a pipeline; the conveying system is connected with a heating system through a pipeline; the heating system is connected with a spraying system through a pipeline. A treatment method for the percolate concentrated solution of the garbage incineration power plant comprises the following steps: firstly, collecting the percolate concentrated solution through the storage tank; opening a pipeline blowing system to carry out steam or air blowing on a conveying pipeline of the whole system, so as to ensure the cleanliness of the pipeline; closing the pipeline blowing system; then starting a conveying pump in the conveying system; under the power of the conveying pump, conveying the percolate concentratedsolution in the storage tank into the filtering system and carrying out second-grade filtering treatment; then conveying into the heating system and heating; heating the percolate concentrated solution to 80 to 90 DEG C; finally, conveying the heated percolate concentrated solution to the spraying system, and spraying into a furnace for combustion through a furnace-top spraying gun and a gun headof the spraying gun in the spraying system.

Description

technical field [0001] The invention relates to the technical field of leachate concentrate treatment, in particular to a leachate concentrate treatment system and method of a waste incineration power plant. Background technique [0002] At present, for domestic waste incineration power plants, the treatment of the leachate concentrate is mainly to carry out backspraying in the garbage bin and the backspraying in the furnace. The biochemical system and membrane system of the leachate treatment system will be affected by the backspraying of the reservoir. The backspray system in the furnace is to send the leachate concentrate into the furnace for incineration. However, at present, the spray gun of the backspray system in the furnace is easy to be blocked, and it is easy to cause a large incineration disturbance. At the same time, the amount of backspray in the furnace is affected by the temperature in the furnace, so the amount of backspray is small. Contents of the invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10
Inventor 焦万江
Owner 深圳市绿色东方环保有限公司
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