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A supercritical reaction device

A supercritical and reactor technology, applied in the control of water treatment parameters, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problems of long processing time and high cost, and achieve the problem of avoiding bursting and low cost , to achieve the effect of efficient utilization

Active Publication Date: 2020-12-01
吴丹丹
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device uses a high-pressure storage tank to statically heat and pressurize the waste water, and then enters the reactor for reaction. The processing time is long and the cost is high.

Method used

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  • A supercritical reaction device
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Examples

Experimental program
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Effect test

Embodiment 1

[0025] Such as figure 1 The shown device comprises a pressure vessel 1, at least one reactor 2 arranged in the pressure vessel, a pressure temperature sensor and a pressure control system; the reactor 2 is provided with a water inlet and a water outlet controlled by a water inlet electromagnetic control valve 4 The water outlet / air port controlled by the electromagnetic control valve 7, the reactor 2 is provided with a heater 3;

[0026] The pressure and temperature sensors include a first pressure and temperature sensor (not shown in the figure) arranged in the pressure vessel and a second pressure and temperature sensor 5 arranged in the reactor;

[0027] The first pressure temperature sensor and the second pressure temperature sensor 5 are connected to the pressure control system 10; the pressure control system 10 controls the pressure in the pressure vessel 1 and the reactor 2 to be consistent according to the pressure signal data collected by the pressure temperature sens...

Embodiment 2

[0031] Such as figure 1As shown, the difference between this embodiment and Embodiment 1 is that it also includes a decompression buffer device, and the decompression buffer device is composed of a piston 11, a cylinder 12, a piston push rod 15 and a piston control motor 16, and the cylinder 12 There is a water inlet of the decompression buffer device, a water outlet 13 of the decompression buffer device and a control valve 14, the water inlet of the decompression buffer device is connected to the water outlet / gas port of the reactor, and the water outlet 13 of the decompression buffer device is connected to a conventional condensing device The piston control motor 16 controls the piston push rod 15 to push the piston 11 to move, controls the pressure in the cylinder 12, and controls the valve 14 to carry out negative pressure feeding and decompression discharging.

Embodiment 3

[0033] Such as figure 1 As shown, the only difference between this embodiment and Embodiment 2 is that it also includes a condensation and heat recovery device and a preheating device. In this embodiment, the condensation and heat recovery device and the preheating device adopt an integrated device 17; the integrated structure is more It is beneficial to the heat exchange between the condensation and the heat recovery device part and the preheating device part, and reduces heat loss. The condensation and heat recovery device is partly connected to the water outlet of the decompression buffer device, and the preheating device is partly connected to the waste liquid pool 18 to be treated and the water inlet of the reactor 2 .

[0034] The specific use process and working principle of the device of this embodiment are as follows:

[0035] Step 1. Close the control valve 14 of the decompression buffer device, and drive the piston push rod 15 of the decompression buffer device thr...

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Abstract

The invention relates to a supercritical reaction device. The device includes a pressure container, at least one reactor arranged in the pressure container, a pressure and temperature sensor and a pressure control system; the pressure control system controls the pressure in the pressure container and the reactors to maintain equal according to pressure signal data collected by the pressure and temperature sensor. According to the device, by adopting the in-built reactors and an external pressure protection device, the pressure bearing characteristic of the inner reactors are greatly improved,the adoption of non-metal materials as in-built reactors can be possible, the corrosion problem in existing supercritical reaction devices is solved, and the cost of equipment is remarkably reduced.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to a supercritical reaction device. Background technique [0002] With the development of my country's economy, the chemical industry, leather industry, food and pharmaceuticals, papermaking and other industries are developing rapidly. The volume of high-concentration organic wastewater produced by enterprises is very large. The existing technology has long treatment cycle, high treatment cost and equipment occupation. The large area, secondary pollution in the process of treatment, poor treatment effect and low treatment efficiency have brought many troubles to the enterprise and restricted the development of the industry. [0003] High-concentration organic wastewater refers to wastewater with COD above 2000mg / L. The COD of some industrial wastewater reaches tens of thousands or even hundreds of thousands mg / L. Relatively speaking, BOD is relatively low. The ratio of BOD to COD...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/02C02F1/72C02F101/30
CPCC02F1/02C02F1/72C02F2101/30C02F2209/02C02F2209/03C02F2305/02
Inventor 吴丹丹戴萍
Owner 吴丹丹
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