Argon nitrate recycling device

A recovery device and nitrous gas technology, which are applied in the separation of dispersed particles, chemical instruments and methods, separation methods, etc., can solve the problems of incompleteness, unsatisfactory argon nitrous gas scrubbing effect, waste of water, electricity and sewage treatment fees, etc.

Inactive Publication Date: 2012-05-30
DALIAN CHUANGDA TECH TRADE MARKET
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This will waste a lot of water, electricity and sewage treatment fees, and

Method used

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  • Argon nitrate recycling device
  • Argon nitrate recycling device

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Embodiment Construction

[0025] Accompanying drawing is a kind of specific embodiment of the present invention.

[0026] The argon nitrate recovery device of the present invention includes a gate valve A installed on the argon nitrate waste gas header 5 close to the washing tower 6, and an outlet pipe installed on the argon nitrate exhaust gas header before the gate valve A, the outlet pipe The output end is connected to the inlet of the argon and nitrate compressor 7, and the middle part of the outlet pipe is installed with a pressure regulating valve 2 and a low-pressure cut-off valve 3 connected in series to control the pressure of the two pressure transmitters 8 of the pressure regulating valve 2 and the low-pressure cut-off valve 3 Dots are located at different locations in front of the outlet pipe on the argon nitrate exhaust header. A gate valve 1 and 4 are respectively installed at both ends of the outlet pipe, and they are connected in series with the pressure regulating valve and the low pre...

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PUM

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Abstract

The invention provides an argon nitrate recycling device, which is characterized in that the device comprises a brake valve and a leading-out pipe, wherein the brake valve is installed on an argon nitrate waste gas collection pipe, which is close to a washing tower; the leading-out pipe is installed on the argon nitrate waste gas collection pipe and is in front of the brake valve; the output end of the leading-out pipe is connected with the inlet of an argon nitrate gas compressor; a pressure adjusting valve and a low-voltage cutting-off valve which are serially connected with each other are installed in the middle of the leading-out pipe; and pressure-leading points of two pressure transmitters for controlling the pressure adjusting valve and the low-voltage cutting-off valve are located at different positions on the argon nitrate waste gas collection pipe and in front of the leading-out pipe. The argon nitrate recycling device provided by the invention has the beneficial effects that the water including primary water and chilled water is saved; the electric power is saved; the argon nitrate waste gas is recycled to form nitric acid; and the wastewater treatment fee is saved.

Description

technical field [0001] The invention relates to chemical equipment, in particular to an argon nitrate recovery device. Background technique [0002] Alcohol, ketone and nitric acid are oxidized in the oxidation reactor to produce argon nitrate waste gas. The gas phase pipeline at the top of the oxidation reactor is connected to the inlet of the argon nitrate waste gas compressor, and the outlet of the compressor is connected to the absorption tower, which is used to compress the argon nitrate waste gas and enter the absorption tower to be absorbed by water or dilute nitric acid to become a nitric acid solution. In the original design, the argon nitrate waste gas volatilized from the nitric acid tank area, 100# and 700# enters the argon nitrate waste gas header and then is introduced into the lower part of the washing tower, and the washing water is sprayed from the upper part of the tower to wash the argon nitrate gas, which is a harmless gas. into the atmosphere from the...

Claims

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Application Information

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IPC IPC(8): B01D53/18
Inventor 海勇
Owner DALIAN CHUANGDA TECH TRADE MARKET
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