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Double-tank circulating hydrothermal reaction device and operation method thereof

An operating method and thermal reaction technology, applied in separation methods, series/parallel reactions, chemical instruments and methods, etc., can solve the problem of high cost

Pending Publication Date: 2021-05-11
北京市科学技术研究院资源环境研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the cost of water is very low, the heat contained in the water is very expensive

Method used

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  • Double-tank circulating hydrothermal reaction device and operation method thereof

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Embodiment Construction

[0020] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0021] A double-tank circulating hydrothermal reaction device, consisting of two reaction tanks and a circulation pump; a filter and a heater are installed inside the reaction tank, an isolation valve is installed outside the reaction tank, and four starting and reversing devices are installed at the inlet and outlet of the circulating pump Functional valves; the circulation pump is connected to the two filters through the valves.

[0022] Specifically, as figure 1 As shown, including reaction tank I1a, reaction tank II1b and circulation pump 2. A heater I1a1 and a filter I1a2 are arranged in the reaction tank I1a; a heater II1b1 and a filter II1b2 are arranged in the reaction tank II1b. The inlet of circulation pump 2 is connected with one end of valve II22 and valve III23, and the outlet of circulation pump 2 is connected with one end of v...

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Abstract

The invention discloses a double-tank circulating hydrothermal reaction device and an operation method thereof. The reaction device consists of two reaction tanks and a circulating pump, wherein a filter and a heater are mounted in the reaction tank, a separation valve is mounted outside the reaction tank, four valves for reversing are mounted at an inlet and an outlet of the circulating pump, and the circulating pump is separately connected with the two filters through the valves. The operation principle of the reaction device is that after one reaction tank finishes a reaction, a reaction medium is pumped into the other reaction tank; due to the action of the filter, a reaction product still remains in the original reaction tank; and the reaction medium continues to undergo a reaction in the other reaction tank with the heat of the reaction medium, so the reaction medium can be prevented from being repeatedly heated and cooled, and energy is greatly saved.

Description

technical field [0001] The invention relates to hydrothermal reaction equipment, in particular to a double-tank circulating hydrothermal reaction device and an operation method, which are applied to the hydrothermal reaction for preparing biochar from garden waste. Background technique [0002] When using the hydrothermal method to prepare biochar from garden waste, in addition to biochar, many by-products are also generated. Most of these by-products are dissolved in water, which complicates the reaction medium. In order not to bring interference factors, the water used as the reaction medium is usually used for one time. Although the cost of water is very low, the heat contained in the water is very expensive. [0003] Recent studies have shown that the by-products entering the water not only do not affect the production of biochar, but have a positive impact. Based on these studies, the present application designs a double-tank circulation reaction device, which can avo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/00B01D35/02
CPCB01J19/0053B01J19/0046B01J19/0006B01J19/0013B01D35/02B01J2219/00164B01J2219/00159B01J2219/00121
Inventor 张建中张成梁姚晶晶穆真
Owner 北京市科学技术研究院资源环境研究所