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Intelligent organic solid waste subcritical hydrolysis treatment energy saving system

An energy-saving system and organic solid waste technology, applied in the direction of solid waste removal, etc., can solve the problems of many uncontrollable pollution points, lengthy process flow, and low degree of automation, so as to facilitate daily maintenance and repair work, improve the working environment, and improve The effect of work efficiency

Active Publication Date: 2015-03-04
国环电气科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process needs to add acid for acidification, which has high requirements on container materials; the heating and pressurization systems are separated, resulting in increased equipment costs; and the heat treatment effect is poor, resulting in long reaction time and limited processing capacity; the process is lengthy, resulting in low automation and impracticability There are many pollution control points, resulting in poor working conditions
Among the features of the device described in Chinese Patent Application No. 200920050434.7, electric heating molten salt is mainly used to heat the reactor. This heating method is relatively slow for large reactors, with long reaction time and limited processing capacity.
However, there are technical problems such as long heating time, high cost, low degree of automation, and limited processing capacity.

Method used

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  • Intelligent organic solid waste subcritical hydrolysis treatment energy saving system
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Embodiment 1

[0021] Such as figure 1 As shown, an intelligent energy-saving device for organic solid waste subcritical hydrolysis treatment, the energy-saving device includes a heating system and an energy circulation system 8, the heating system is connected to the energy circulation system 8, and also includes a heating system connected to the heating system The energy circulation system 8, the energy circulation system 8 includes A reactor 1 and B reactor 2, connecting pipelines and buffer tanks that control the alternate heating of the two reactors, and the two reactors pass through the connecting pipelines and the described Buffer connection. A reactor 1 and B reactor 2 are designed in parallel.

[0022] A reactor 1 and reactor B are used to supply heat by a steam generator 3, and a certain scale of kitchen waste is processed every day. Equipped with two reactors, maintenance work can be carried out while the system is running, and the continuous operation of the system can be maint...

Embodiment 2

[0025] Such as figure 2As shown, reactor A 1 and reactor B 2 are used, and a steam generator 3 is used for heating, and a certain scale of kitchen waste is processed every day. The configuration of Reactor A 1 and Reactor B 2 allows maintenance work to be carried out while the system is running, maintaining continuous operation of the system to ensure production efficiency. The fully intelligent dual-reactor circulation alternate energy-saving technology collects the signal of each equipment status between multiple numerical control solenoid valves and multiple pressure detection meters, and feeds back to the PLC equipment after the signal is collected, and sends it to the central control computer according to the set An operational decision is required. After the steam generator 3 is turned on, the water will be heated to 200° C. and pressurized to a pressure of 2.0 MPa. After obtaining the status of the steam generator 3, the central control computer automatically opens t...

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Abstract

The present invention discloses an intelligent organic solid waste subcritical hydrolysis treatment energy saving system, which comprises a heat supply system and an energy circulation system, wherein the heat supply system comprises a heat supply device and an intelligent completely-automatic control device, the intelligent completely-automatic control device is connected with the heat supply device so as to control the heat supply device, the energy circulation system comprises two reaction kettles, pipelines and a boiler, when pressurization of one reaction kettle is stopped, the energy in the pipeline at the current time is adopted as a starting energy source of the other reaction kettle, the boiler is opened to carry out continuous pressurization when the pipeline pressure is lower than 1.0-1.3 MPa, substantial energy saving of the device is achieved through use of the starting energy source, and the heat supply device provides alternate heat supply and control for the two reaction kettles in the manner. According to the present invention, automated manufacturing and automation are achieved, and the intelligent organic solid waste subcritical hydrolysis treatment device can have characteristics of efficiency, energy saving, compact layout, environmental protection and safety.

Description

technical field [0001] The present invention relates to a method and treatment method for treating and reusing organic solid waste, and more specifically, the present invention relates to an intelligent energy-saving system for subcritical hydrolysis treatment of organic solid waste. Background technique [0002] Subcritical water refers to compressed liquid water with a temperature between 180°C and 350°C. [H3O+] and [OH-] in subcritical water are close to weak acid or weak base, so it has the functions of acid catalysis and base catalysis; subcritical water has a sufficiently small dielectric constant, and has the ability to dissolve organic and inorganic substances at the same time characteristics; at the same time, subcritical water also has the advantages of excellent mass transfer performance and environmental protection. The use of subcritical water technology can decompose cellulose, starch, higher fatty acids, and some plastics in garbage, so that macromolecules ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09B3/00
Inventor 周剑浩
Owner 国环电气科技(上海)有限公司
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