Treatment apparatus and method for malodorous exhaust gas produced in production of modified asphalt
A modified asphalt and exhaust gas treatment technology, which is applied in the direction of separation methods, gas treatment, chemical instruments and methods, etc., can solve the problems of high cost, low removal efficiency, secondary pollution, etc., achieve volume reduction, solve the problem of poor selectivity, Solve the effect of short service life
Inactive Publication Date: 2018-08-21
浙江中兵环保股份有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the problems of low removal efficiency, high cost, uneven mixing of oxidant and waste gas, secondary pollution during waste gas treatment, and excessive volume of the purification device existing in the existing modified asphalt malodorous waste gas treatment technology, and provides A modified asphalt malodorous waste gas treatment device and method with simple structure, high removal efficiency, low cost and no secondary pollution
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[0020] The present invention will be further described below in conjunction with the accompanying drawings.
[0021] Such as figure 1 As shown, the present invention includes a cyclone dust collector 1, a pipeline mixer 2, a gaseous oxidant generator 3, an oxidation reaction device 4, an adsorption preservation device 5, and a fan 6. The bottom of the cyclone dust collector 1 is provided with a modified asphalt waste gas input port, and the cyclone The dust collector 1 is connected to the air inlet of the oxidation reaction device 4 through the pipeline mixer 2 , and the gaseous oxidant generator 3 is connected to the pipeline mixer 2 . The air outlet of the oxidation reaction device 4 is connected to the adsorption preservation device 5 through a pipeline, and the adsorption preservation device 5 is connected to the fan 6 through a pipeline.
[0022] The modified asphalt waste gas enters from the bottom modified asphalt waste gas input port of the cyclone dust collector 1, ...
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Abstract
The invention relates to a treatment apparatus and method for malodorous exhaust gas produced in production of modified asphalt. The treatment apparatus comprises a cyclone dust collector, a pipelinemixer, a gaseous oxidant generator, an oxidation reaction device, an adsorption and preservation device and a fan, wherein the cyclone dust collector is connected with the oxidation reaction device through the pipeline mixer; the gaseous oxidant generator is connected with the oxidation reaction device through the pipeline mixer; the oxidation reaction device is connected with the adsorption and preservation device; and the outlet of the adsorption and preservation device is connected with the fan. The method comprises the following steps: dedusting the exhaust gas produced in production of modified asphalt with the cyclone dust collector at first; conveying the exhaust gas having been dusted by the cyclone dust collector and an oxidant generated by the gaseous oxidant generator to the oxidation reaction device together for an oxidation reaction; subjecting gas obtained after the oxidation reaction to adsorption of exhaust gas and regeneration of an adsorbent in the adsorption and preservation device; and then discharging clean gas out through the fan. The treatment apparatus for exhaust gas produced in production of modified asphalt is high in oxidation efficiency, small in size,low in cost and free of secondary pollution.
Description
technical field [0001] The invention relates to the field of environmental engineering waste gas treatment, and relates to a purification device and method, in particular to a modified asphalt malodorous waste gas treatment device and method. Background technique [0002] Modified asphalt refers to the addition of rubber, resin, Polymer It is an asphalt binder made by using external admixtures (modifiers) such as finely ground rubber powder or other fillers, or taking measures such as mild oxidation of asphalt to improve the performance of asphalt or asphalt mixture. In the production process of various modified asphalt materials, the asphalt needs to be heated, conveyed and made into asphalt-like mixtures that meet various process requirements for production use. During this process, a large amount of asphalt fume will be produced. Smoke contains a variety of organic substances, including carbocyclic hydrocarbons, cyclic hydrocarbon derivatives and other malodorous gases,...
Claims
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IPC IPC(8): B01D45/12B01D53/76
CPCB01D45/12B01D53/76B01D2258/02
Inventor 陈正发姚学民吴明军袁樟波金国良易成方洲
Owner 浙江中兵环保股份有限公司