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Control device for oxygenation intermittent coal gas preparation

A control device, intermittent technology, applied in the direction of electrical program control, comprehensive factory control, comprehensive factory control, etc., to achieve the effect of reducing pollution, easy maintenance, and strong anti-virus ability

Inactive Publication Date: 2009-08-12
武汉奥泰自动化工程有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0024] The present invention aims to provide a set of perfect oxygen-increasing intermittent gas preparation control device. This whole set of production control method and control equipment is not available in the current electronic-oil-pressure automatic machine for gas preparation, and it is not available in foreign countries. similar products

Method used

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  • Control device for oxygenation intermittent coal gas preparation
  • Control device for oxygenation intermittent coal gas preparation

Examples

Experimental program
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Embodiment Construction

[0102] An oxygen-increasing intermittent gas preparation control device, including an air compression tank, a gas generator and a control system, in the control system:

[0103] The embedded control station 4 is respectively connected with the magnetic oxygen analyzer 1 and the pneumatic film regulating valve 2, and the magnetic oxygen analyzer 1 and the pneumatic film regulating valve 2 are connected with the air mixing tank;

[0104] The embedded control station 4 is respectively connected with the magnetic oxygen analyzer 11, the pneumatic film regulating valve 21, and the automatic machine 31, and the magnetic oxygen analyzer 11, the pneumatic film regulating valve 21, and the automatic machine 31 are all connected with the No. 1 gas generator;

[0105] The embedded control station 4 is respectively connected with the magnetic oxygen analyzer 12, the pneumatic film regulating valve 22, and the automatic machine 32, and the magnetic oxygen analyzer 12, the pneumatic film reg...

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Abstract

The invention discloses an oxygen enrichment intermittent coal gas preparation control device, which comprises an air compression tank, a coal gas producer and a control system. In the control system of the device, an embedded control station is connected with a magnetic oxygen analyzer, an infrared CO / CO2 analyzer, a thermal conductivity hydrogen analyzer, a pneumatic diaphragm control valve and an automaton respectively, and the magnetic oxygen analyzer, the infrared CO / CO2 analyzer and the thermal conductivity hydrogen analyzer are connected with the coal gas producer respectively. The device adopts a quality feedback principle to determine the oxygen concentration in oxygen-enriched air and the oxygen enrichment time according to reference elements such as compositions of blown gas or uplink and downlink coal gas, the producer temperature and the like, adopts a feedforward plus feedback algorithm and an adjustment link to ensure the adjustability and stability of oxygen enriched concentration, and realizes data communication by connecting the Ethernet with production local area networks inside enterprises in an OPC mode.

Description

technical field [0001] The invention relates to a coal gas preparation device, in particular to an oxygen-increasing intermittent coal gas preparation control device. Background technique [0002] The traditional fixed layer (UGI furnace) gas preparation process has been used for more than 100 years. Before the 1980s, its production control system basically used the hydraulic-mechanical automaton that was originally matched with foreign countries. After the 1980s, it was gradually replaced by the domestically developed electronic-hydraulic automaton. . [0003] The feature of the process is to pass air through the burning coal to make it fully burn to a certain temperature, and then use steam to pass through the hot coal seam to undergo the following chemical reaction with the carbon (C) in the coal to produce CO and H2. [0004] H2O+C→CO+H2 [0005] 2H2O+C→CO2+2H2 [0006] The passage of air through the coal seam is an exothermic reaction, while the passage of steam ove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/20G05B19/418
CPCY02E20/18Y02P80/10Y02P90/02
Inventor 姚飞龙张凤葵
Owner 武汉奥泰自动化工程有限责任公司
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