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Multifunctional high-efficiency and energy-saving chlorine dioxide generator

A chlorine dioxide, high-efficiency and energy-saving technology, applied in the direction of chlorine dioxide, chemical industry, sustainable manufacturing/processing, etc., can solve the problem of low conversion rate of chlorine dioxide, large power consumption and safety hazards, and no treatment effect of residual chlorine, etc. problem, to achieve the effect of fast reaction rate, low production cost and small occupied area

Inactive Publication Date: 2011-08-31
HUNAN JIXIN WOHUA ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve a series of problems such as low conversion rate of chlorine dioxide in existing equipment, large power consumption and potential safety hazards, no treatment or poor effect on chlorine leakage and residual chlorine, the technical solutions adopted by the present invention are as follows:

Method used

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  • Multifunctional high-efficiency and energy-saving chlorine dioxide generator
  • Multifunctional high-efficiency and energy-saving chlorine dioxide generator
  • Multifunctional high-efficiency and energy-saving chlorine dioxide generator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 1 As shown, the raw material feeding barrel perpendicular to the 3-meter height of the chlorine dioxide generator is set outdoors, and the sodium chlorate solution with a concentration of 1 to 20% is injected into the sodium chlorate feeding barrel 1, and the acid solution feeding barrel 2 Inject a hydrochloric acid solution with a concentration of 1 to 20%. After being heated by the heating rod 3, the temperature of the hydrochloric acid is controlled at 50°C, and the temperature of the sodium chlorate is controlled at 80°C. The feed ratio volume ratio of aqueous solution and concentrated hydrochloric acid is 1:0.95. Under the action of gravity, the hydrochloric acid solution and the sodium chlorate solution enter into the PCV intestinal reactor 6 with a pipe diameter of 40 mm and a pipe length of 3000 mm, and they are repeatedly contacted when flowing through the intestinal reactor 6 to carry out a chemical reaction to form High-concentration, high-pur...

Embodiment 2

[0021] Such as figure 1 As shown, the raw material feeding barrel perpendicular to the chlorine dioxide generator 4 meters height is set outdoors, and the sodium chlorite solution with a concentration of 25 to 30% is injected into the sodium chlorite feeding barrel 1, and the acid liquid feeding barrel 2. Inject a sulfuric acid solution with a concentration of 25-30%. After being heated by the heating rod 3, the temperature of the sulfuric acid is controlled at 45°C, and the temperature of the sodium chlorite is controlled at 75°C. After the filter 4 removes impurities, it is controlled by the glass flowmeter 5 The feed ratio volume ratio of sodium chlorite aqueous solution and concentrated sulfuric acid is 1:1. Under the action of gravity, the sulfuric acid solution and the sodium chlorite solution enter the titanium-aluminum alloy material enteric reactor 6 with a pipe diameter of 20 mm and a pipe length of 5000 mm, and they are repeatedly contacted when flowing through the ...

Embodiment 3

[0023] Such as figure 1As shown, the raw material feeding barrel perpendicular to the chlorine dioxide generator 5 meters height is set outdoors, and the sodium chlorate solution with a concentration of 32 to 40% is injected into the sodium chlorate feeding barrel 1, and the acid solution feeding barrel 2 Inject a nitric acid solution with a concentration of 32-40%. After being heated by the heating rod 3, the temperature of the nitric acid is controlled at 60°C, and the temperature of the sodium chlorite is controlled at 90°C. The feed ratio volume ratio of sodium acid aqueous solution and concentrated sulfuric acid is 1: 1.05. Under the effect of gravity, sulfuric acid solution and sodium chlorite solution enter into the polytetrafluoroethylene intestinal reactor 6 of pipe diameter 50mm, pipe length 6000mm, and contact repeatedly when flowing through intestinal reactor 6, carry out A chemical reaction produces high-concentration, high-purity chlorine dioxide gas. Chlorine ...

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Abstract

The invention relates to a multifunctional high-efficiency and energy-saving chlorine dioxide generator which comprises a heating system, a metering system, a reaction system and a purifying system, wherein the systems are sequentially communicated with one another by a plurality of pipelines, a plurality of valves or a plurality of flanges. The generator is characterized by further comprising an acid mist absorbing and neutralizing system. The heating system is a raw material barrel outdoor heating system which consists of a raw material feeding barrel, a heating bar and a temperature control sensor; the metering system is a positive pressure type metering system which consists of a filter and a glass flow meter; the reaction system is an intestinal canal type reaction system with a plurality of twists and kinks; the purifying system is a water purifying and circulating system with a chlorine-discharging port recovery pipeline; and the acid mist absorbing and neutralizing system consists of a fan, a disinfectant groove, a water pump and a pipeline to form into a neutralizing system of a wind circulating and an alkaline liquor water circulating passageway. The generator has the characteristics of being reasonable in design, convenient to run, safe, reliable, high in conversion percentage, multiple in functions, energy-saving, environment-friendly and the like.

Description

technical field [0001] The invention relates to a chlorine dioxide production equipment used for environmental engineering, fruit and vegetable preservation, printing and dyeing decolorization and water purification, and belongs to the field of sanitation and disinfection equipment. Background technique [0002] Chlorine dioxide is an oxidizing disinfectant with a broad-spectrum bactericidal function. It has good oxidizing ability, anti-virus ability, and long-lasting bactericidal effect. It does not react with organic substances such as humic acid and fulvic acid in water to form carcinogens. It has been widely used in water disinfection treatment. [0003] At present, the production methods of chlorine dioxide mainly include chemical method and electrolysis method. The chemical method is widely used because of its low operating cost and high conversion rate. The reaction principle of the sodium chlorate method is The reaction principle of sodium chlorite method is 5NaCL...

Claims

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Application Information

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IPC IPC(8): C01B11/02
CPCY02P20/10
Inventor 李达
Owner HUNAN JIXIN WOHUA ENVIRONMENTAL PROTECTION TECH CO LTD
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