A sealed heat preservation rotary bioreactor
A bioreactor and reactor inner cylinder technology, applied in the field of contaminated soil bioremediation equipment, can solve the problems of polluted wastewater, expand the scope of pollution, etc., achieve good heat transfer efficiency, enhance mass transfer efficiency, and improve biological accessibility.
Active Publication Date: 2020-05-26
SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI
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Problems solved by technology
However, high water content requirements will produce secondary pollutants such as polluted wastewater, which has the risk of expanding the scope of pollution, and is one of the biggest factors limiting the application of mud bioreactors
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[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0028] Such as Figure 1~5 As shown, the present invention includes a kiln head cover 1, a liquid supply pipe 2, a dynamic insulation interlayer 8, a fixed insulation interlayer 12, a dynamic reactor inner cylinder 21, a power transmission device 25, a kiln tail cover 29, and a fixed reactor at the kiln head. The inner cylinder 39, the inner cylinder 40 of the fixed reactor at the end of the kiln and the ventilation temperature control room 41, wherein the left and right ends of the inner cylinder 21 of the dynamic reactor are respectively provided with a kiln head cover 1 and a kiln tail cover 29. The kiln head cover 1 and the kiln The bottom of the tail cover 29 is provided with a supporting foot column 20, and the supporting foot column 20 is placed on the foot seat 38 and supported by the foot seat 38.
[0029]The inner tube 21 of the dynamic reactor is ...
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The invention relates to bioremediation equipment for contaminated soil, in particular to a sealed thermal insulation type rotary bioreactor for bioremediation of the contaminated soil. A movable reactor inner barrel, a thermal insulation sheath layer and a liquid supply pipe synchronously rotate to form a core rotary part of the reactor; a spiral soil guiding plate and a soil guiding plate are arranged in the movable reactor inner barrel and are crossed and perpendicular to each other; the core rotary part rotates clockwise or anticlockwise through a power transmitting device, the inside of the movable reactor inner barrel perform liquid supply and oxygen partial pressure and temperature regulation through the liquid supply pipe and a forced gas injection passage, so that medium-temperature aerobiotic and homogeneous mixing incubation process for bioremediation of the contaminated soil is realized; gas in the barrel can be exhausted after being purified by an exhaust purification tank. The fluid type treatment mode of solid soil is effectively realized, production of secondary pollutants is avoided while water resources are saved, and the reactor is efficient and environment-friendly contaminated soil bioremediation equipment.
Description
technical field [0001] The invention relates to contaminated soil bioremediation equipment, in particular to a sealed and heat-preserving rotary bioreactor for contaminated soil bioremediation. Background technique [0002] The bioremediation technology of contaminated soil is a widely accepted and economical and practical soil treatment technology. It is favored by environmental protection workers because of its low cost, small pollution interference, and convenient operation. However, the time-consuming and inefficient defects of microbial remediation technology have always restricted its further development in engineering applications. The main reason for this is the restriction of environmental factors on the growth and metabolic activity of microorganisms. Environmental factors such as soil temperature, humidity, and oxygen partial pressure limit the number, composition, and enzyme activity of microorganisms. In order to improve the remediation efficiency of microbial...
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IPC IPC(8): B09C1/10
CPCB09C1/10
Inventor 郭书海王卅李刚李凤梅吴波程凤莲
Owner SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI