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Oxidation treatment system for waste gas produced during innocent treatment of animal manure

A harmless treatment and oxidation treatment technology, which is applied in animal husbandry wastewater treatment, gas treatment, sludge treatment, etc., can solve the problems of bulky equipment, large air resistance, slow degradation rate, etc.

Inactive Publication Date: 2017-06-20
秦皇岛领先康地农业技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the biological method is effective in purifying low-concentration organic pollutants and has the advantages of low energy consumption, it has large air resistance, slow degradation rate, bulky equipment, and is easily affected by pollutant concentration and temperature. Due to the treatment of hydrophilic and easily biodegradable substances, it is still difficult to deal with hydrophobic and refractory biodegradable substances

Method used

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  • Oxidation treatment system for waste gas produced during innocent treatment of animal manure
  • Oxidation treatment system for waste gas produced during innocent treatment of animal manure
  • Oxidation treatment system for waste gas produced during innocent treatment of animal manure

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Experimental program
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Effect test

Embodiment 1

[0109] Embodiment 1: Exhaust gas oxidation treatment system of the present invention

[0110] The implementation mode of this embodiment is as follows:

[0111] The oxidation treatment system includes a waste gas collection area 1, a pickling spray tower 2, and is characterized in that it also includes an oxidation spray tower 3, an acid-base neutralization tower 4, an exhaust fan 5, a chimney 6 and a positively charged ozone generator 7;

[0112] The waste gas collection area 1 is connected to the pickling spray tower 2 through the induced draft fan and the exhaust pipe through the waste gas inlet 2-6 of the pickling spray tower 2; the pickling spray tower 2, the oxidation spray tower 3 and the acid-base neutralization tower 4 are connected by pipelines in sequence; the exhaust port 4-11 of the acid-base neutralization tower 4 is connected to the chimney 6 through the exhaust fan 5; the positive charge ozone generator 7 is connected to the oxidation spray tower 3 through the ...

Embodiment 2

[0130] Embodiment 2: Exhaust gas oxidation treatment system of the present invention

[0131] The implementation mode of this embodiment is identical with embodiment 1 implementation mode, just in pickling spray tower 2, the spray liquid of spray liquid storage tank 2-7 is the dilute sulfuric acid aqueous solution that pH is 3.6; The size of this packing is 50mm×100mm. In the oxidation spray tower 3, the spray liquid in the spray liquid storage tank 3-11 is a pH 7.5 aqueous solution containing 1.5% catalyst by weight, and the catalyst is made of titanium dioxide TiO 2 , Titanium-zirconium composite oxide TiO 2 -ZrO 2 , Titanium-tungsten composite oxide TiO 2 -WO 3 And titanium-silicon composite oxide TiO 2 -SiO 2 A honeycomb metal mixed oxide composed of a weight ratio of 1:5:5:3:3.

[0132] The exhaust gas oxidation treatment system of this embodiment can remove 99.6% by weight of ammonia gas NH in the exhaust gas produced during the harmless treatment of livestock and...

Embodiment 3

[0133] Embodiment 3: Exhaust gas oxidation treatment system of the present invention

[0134] The implementation mode of this embodiment is identical with embodiment 1 implementation mode, just in pickling spray tower 2, the spray liquid of spray liquid storage tank 2-7 is the dilute sulfuric acid aqueous solution that pH is 4.4; The size of this packing is 75mm×50mm. In the oxidation spray tower 3, the spray liquid in the spray liquid storage tank 3-11 is a pH 7.0 aqueous solution containing 2% catalyst by weight. The catalyst is based on titanium dioxide TiO 2 , Titanium-zirconium composite oxide TiO 2 -ZrO 2 , Titanium-tungsten composite oxide TiO 2 -WO 3 And titanium-silicon composite oxide TiO 2 -SiO 2 A honeycomb ceramic mixed oxide composed of a weight ratio of 1:8:8:6:5.

[0135] The exhaust gas oxidation treatment system of this embodiment can remove 99.4% by weight of ammonia gas NH in the exhaust gas produced during the harmless treatment of livestock and po...

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Abstract

The invention relates to an oxidation treatment system for waste gas produced during innocent treatment of animal manure. The system comprises a waste gas collection area (1), an acid pickling spray tower (2), an oxidation spray tower (3), an acid-base neutralization tower (4), an exhaust fan (5), a chimney (6), a positive charge ozone generator (7) and the like. The waste gas oxidation system can specifically remove waste ammonia gas, hydrogen sulfide, volatile organic compounds and the like produced in the composting fermentation engineering, and has the advantages of thorough waste gas treatment, good effect, low cost, stable process, high safety and high cost performance; and the ammonium sulfate rich waste liquid produced by the waste gas oxidation treatment system is not discharged to the outside but serves as a nitrogen element and water supplement liquid in the biological organic fertilizer granulation process, so that the system does not produce secondary pollution, realizes reuse of waste resources and is beneficial to environment protection.

Description

[0001] 【Technical field】 [0002] The invention belongs to the technical field of agriculture and environmental protection. More specifically, the present invention relates to an oxidation treatment system for waste gas generated during the harmless treatment of livestock and poultry manure. [0003] 【Background technique】 [0004] With the rapid development of my country's agriculture and processing industry, the amount of livestock and poultry breeding has increased year by year, improving people's living standards, while intensive and large-scale livestock and poultry breeding has also brought serious environmental pollution. Due to the lack of perfect emission reduction technology and effective treatment measures, a large amount of livestock and poultry manure seriously pollutes the soil and water quality, especially the fermentation of livestock and poultry manure under the action of spoilage microorganisms and produces a variety of odorous gases, seriously affecting the q...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/75B01D53/78B01D53/86B01D53/72B01D53/52B01D53/58C02F11/02C02F103/20
CPCB01D53/52B01D53/58B01D53/72B01D53/75B01D53/78B01D53/86B01D2251/104B01D2257/304B01D2257/406B01D2257/708C02F11/02C02F2103/20Y02A50/20Y02W10/20
Inventor 徐延平宫锡余冯丽梅徐志文王永长
Owner 秦皇岛领先康地农业技术有限公司
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