A device for treating landfill leachate membrane filtration concentrate
A technology of landfill leachate and concentrate, which is applied in the field of leachate membrane filtration concentrate treatment, can solve the problems of uneven heat transfer, corrosion of the inner wall of the evaporation tank, and slow evaporation efficiency, so as to improve treatment efficiency, increase evaporation efficiency, The effect of increasing the contact area
Active Publication Date: 2021-08-17
ANHUI QINGYANG WATER TREATMENT EQUIP TECH CO LTD
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Problems solved by technology
[0005] In order to make up for the deficiencies of the existing technology, the existing large amount of concentrated liquid in the evaporation tank has a small contact area with the heating element, uneven heat transfer, resulting in slow evaporation efficiency, and the concentrated liquid will be in the evaporation tank during the evaporation process. If the inner wall of the evaporation tank is cleaned irregularly, these solid concentrates will not only cause corrosion to the inner wall of the evaporation tank, but also affect the heat transfer efficiency of the evaporation tank. Leachate Membrane Filtration Concentrate Device
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[0029] As an embodiment of the present invention, the outside of the feeding pipe 24 is located above the evaporation box 1 to provide a first preheating chamber 5; the bottom of the first preheating chamber 5 is fixedly provided with a gas distribution tray 6; The upper surface of the gas distribution tray 6 is evenly provided with an air outlet 27; the side wall of the part of the feeding pipe 24 located in the first preheating chamber 5 is evenly provided with a rectangular heat conducting plate 26; the rectangular heat conducting plate 26 The two sides of the two sides stretch out the inner and outer wall edges of the feeding pipe 24 respectively; the top of the first preheating chamber 5 communicates with the bottom of the second preheating chamber 4 through a connecting pipe; the second preheating chamber 4 is fixed Connected to the outside of the liquid storage tank 2; the edge of the liquid storage tank 2 is evenly provided with an annular heat conduction plate 3 from t...
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The invention belongs to the technical field of leachate membrane filtration concentrate treatment, in particular to a device for treating landfill leachate membrane filtration concentrate, including an evaporation box and a rotating disk; the inside of the evaporation box is provided with a rotating disk near the bottom; The center position of the bottom of the disc is fixedly connected with the rotating shaft of the drive motor, and the drive motor is fixedly installed at the bottom of the evaporation box; the edge of the rotating disc is fixedly connected with the annular tank body through connecting rods; the bottom of the annular tank body is uniformly provided with a leakage groove; The bottom of the annular tank body is located between the two groups of leaking troughs, and an evaporating plate is fixed; inside the leaking trough, there is a baffle plate for sealing the two ends of the evaporating plate; the present invention sets a rotating evaporating plate, Furthermore, during the rotation of the evaporating plate, not only the mixed liquid spreads evenly on the surface of the evaporating plate, but also a thin layer of the mixed liquid is laid on the surface of the evaporating plate, which can greatly increase the contact area between the mixed liquid and the evaporating plate, making the mixed liquid It can quickly increase issuance and improve processing efficiency.
Description
technical field [0001] The invention belongs to the technical field of leachate membrane filtration concentrate treatment, in particular to a device for treating landfill leachate membrane filtration concentrate. Background technique [0002] According to statistics, at present, more than 90% of landfill leachate are treated with MBR+NF / RO process. This method can produce high-concentration membrane separation concentrate while realizing effective treatment of landfill leachate. Compared with landfill leachate, the composition of membrane separation concentrate is more complex, the concentration of pollutants is higher, the biodegradability is extremely poor, and the corresponding treatment technology requirements are higher. For the treatment of membrane separation concentrated liquid, the treatment technologies currently reported include recharge, evaporation, chemical oxidation, etc. For the evaporation process, it refers to the vaporization of some solvents in the soluti...
Claims
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IPC IPC(8): C02F1/04C02F103/06
CPCC02F1/042C02F1/043C02F1/048C02F2103/06C02F2303/14
Inventor 钱铮炫
Owner ANHUI QINGYANG WATER TREATMENT EQUIP TECH CO LTD