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High-concentration organic wastewater and organic solid waste treatment process and high-concentration organic wastewater and organic solid waste treatment system

A technology for organic waste water and organic solid waste, applied in the high-concentration organic waste water and organic solid waste treatment system, high-concentration organic waste water and organic solid waste treatment process field, can solve the problems of safety, slow speed, expensive oxygen production equipment and so on , to achieve the effect of improving high value, reducing energy loss, and good gas production effect

Active Publication Date: 2020-05-19
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The principle of using oxygen as a gasification agent is similar to that of air, the reaction rate is accelerated, and the thermal efficiency is improved, but the oxygen production equipment is too expensive and there may be certain safety problems in the process of using pure oxygen
CO 2 When used as a gasification agent, it has a positive effect on the gasification process under high temperature and pressure conditions, but the rate is significantly slower

Method used

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  • High-concentration organic wastewater and organic solid waste treatment process and high-concentration organic wastewater and organic solid waste treatment system
  • High-concentration organic wastewater and organic solid waste treatment process and high-concentration organic wastewater and organic solid waste treatment system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 As shown, the high-concentration organic wastewater and organic solid waste treatment system is composed of a high-pressure hydrothermal reactor 1, a solid-liquid separator 2, and a gasification reactor 7; wherein the high-pressure hydrothermal reactor 1 is equipped with a pressure vessel 1-2 , there is a stirring paddle 1-1 in the pressure vessel 1-2, the top is provided with an air outlet connected to the second valve V2, one side of the top of the pressure vessel 1-2 is connected to the first storage tank A through the first valve V1, and the other The side is connected to the input end of the middle part of the solid-liquid separator 2 through the third valve V3; the solid-liquid separator 2 bottom outlet is connected to the dryer 3 and then connected to the compression molding machine 4, and the top liquid outlet is sequentially passed through the air circulation pump 5, The fourth valve V4 is connected to one side of the liquid storage tank 6, the...

Embodiment 2

[0036] High-concentration organic waste water and organic solid waste treatment system are the same as embodiment 1;

[0037] The basic steps for the treatment of high-concentration organic wastewater and high-water organic solid waste are as follows:

[0038] Step 1. Grinding high-water organic solid waste, preparing high-concentration organic waste water, putting it into the first storage tank as a raw material, opening the first valve V1, adding the raw material into the pressure vessel 1-2 of the hydrothermal reaction kettle 1, and determining the high The mass ratio of aqueous organic solid waste to high-concentration organic wastewater is 1:15.

[0039] Organic solid waste with high water content can be selected as: duckweed, which is taken from a lake in Nanjing City, with a water content of 87%.

[0040] High-concentration organic wastewater can be selected as: domestic wastewater after concentrated treatment, which is taken from a sewage treatment plant in Nanjing, w...

Embodiment 3

[0047] High-concentration organic waste water and organic solid waste treatment system are the same as embodiment 1;

[0048] The basic steps for the treatment of high-concentration organic wastewater and high-water organic solid waste are as follows:

[0049] Step 1. Grinding high-water organic solid waste, preparing high-concentration organic waste water, putting it into the first storage tank as a raw material, opening the first valve V1, adding the raw material into the pressure vessel 1-2 of the hydrothermal reaction kettle 1, and determining the high The mass ratio of aqueous organic solid waste to high-concentration organic wastewater is 1:15.

[0050] The organic solid waste with high water content can be selected as: black algae, which is taken from a lake in Nanjing City, with a water content of 89%.

[0051] High-concentration organic wastewater can be selected as: domestic wastewater after concentrated treatment, which is taken from a sewage treatment plant in Nan...

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Abstract

The invention relates to a high-concentration organic wastewater and organic solid waste treatment process and a high-concentration organic wastewater and organic solid waste treatment system. The device comprises a high-pressure hydrothermal reaction kettle (1), wherein a pressure container (1-2) is arranged in the hydrothermal reaction kettle (1) and connected with a solid-liquid separator (2),the solid outlet end of the solid-liquid separator (2) is connected with a dryer (3) and a compression molding machine (4), the liquid outlet end of the solid-liquid separator (2) is communicated witha liquid storage tank (6), the liquid storage tank (6) is connected with a gasification reactor (7) through an air circulating pump (5), and the gasification reactor (7) is connected with a gas storage tank (9) through a condenser (8). According to the invention, high-concentration organic wastewater and organic solid waste are converted into coke forming fuel with high additional value and high-quality hydrogen-rich combustible gas, so that the hydrothermal liquid phase and the high-concentration organic wastewater are cleanly recycled, and the content of H2 in the organic solid waste gasification produced gas is increased so as to achieve the high-value utilization of the high-concentration organic wastewater and the organic solid waste.

Description

technical field [0001] The present invention relates to the field of organic wastewater and organic solid waste treatment, especially to a high-concentration organic wastewater and organic solid waste treatment system, and also to a high-concentration organic wastewater and organic solid waste treatment process, which is suitable for organic wastewater such as domestic wastewater and industrial wastewater, It is suitable for organic solid waste such as agricultural and forestry waste, livestock waste, and high-humidity sludge. Background technique [0002] With the continuous growth of domestic population and economy, and the acceleration of urbanization, a large amount of urban domestic wastewater and industrial wastewater rich in organic matter is discharged into rivers and lakes, and a large amount of organic solid waste is improperly treated, resulting in serious organic pollution of the environment. According to statistics, the total amount of wastewater discharged in m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/46C10L3/00
CPCC10L5/46C10L3/00Y02E50/30Y02E50/10
Inventor 高英朱崇朱跃钊陆辰许辉
Owner NANJING UNIV OF TECH
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