Small solar heating folded plate type UASB system

A technology of solar heating and solar collector tubes, applied in solar heating systems, solar thermal energy, solar thermal power generation, etc., can solve the problems of difficult sludge mixing and temperature maintenance, achieve high sludge activity, and improve uniform mixing Degree, enhance the effect of water flow stirring intensity

Active Publication Date: 2016-02-03
ZHEJIANG UNIV
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Problems solved by technology

[0003] Aiming at the problems of difficult temperature maintenance (especially in winter) and sludge mixing in the UASB system, the present invention proposes a small solar heating folding-plate UASB system, which can be used to efficiently and stably process a variety of low-flow and high-concentration organic waste water

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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0021] refer to figure 1 , the small solar heating folding plate UASB system includes a heat collection system, a heat storage tank 22, an electric control system 21 and a UASB anaerobic reactor;

[0022] The heat energy collection system includes a heat collector 1 and a number of solar heat collection tubes 3 connected to the heat collector. A liquid circulation loop is formed between the heat collector 1 and the heat storage tank 22 through the first lift pump 2. The heat storage tank 22 is provided with a first Temperature sensor 4 and water level sensor 5;

[0023] In the UASB anaerobic reactor, there are 3-5 layers of D-shaped baffles 10 from bottom to top. The D-shaped baffles are inclined downward, and the angle with the horizontal plane is 3-10°. The plates are placed in different directions. At the bottom of the UASB anaerobic reactor, there are w...

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Abstract

The invention discloses a small solar heating folded plate type UASB system, which comprises a heat energy collection system, a heat storage tank, an electric control system and a UASB anaerobic reactor. According to the system, heat of sunlight is collected into a top heat collector by a solar collector tube; water in the heat collector is pumped into the heat storage tank through a lift pump, and continuously circulates, so as to store the heat; hot water in the heat storage tank is pumped into an annular heating copper tube in the UASB reactor to heat the system by a water pump; 3-5 inclined D-type baffle plates are arranged in the UASB; supernate and sewage are absorbed by the lift pump from the top and are pumped into a water distributor at the bottom of the UASB; water impacts back and forth between the baffle plates to form turbulent flow, so that the water is fully mixed evenly in the system, and is finally discharged through a top dual-layer three-phase separator; and efficient treatment on high-concentration organic wastewater under the condition of low power consumption is achieved.

Description

technical field [0001] The invention relates to a UASB reactor, in particular to a small-scale solar heating folding plate UASB system, which utilizes solar heating with high efficiency and low consumption, and is mainly used for treating high-concentration organic wastewater with a small amount of water, and belongs to the technical field of high-concentration organic wastewater treatment. technical background [0002] UASB (Upflow Anaerobic Sludge Bed Reactor) was invented by the Dutch in the 1970s. It is widely used because of its simple structure, strong impact load resistance and can be used to treat high-concentration organic wastewater. Although there are more efficient anaerobic reactors such as ABR, EGSB and IC after UASB, the structure and operation of UASB are relatively simple and convenient, so it is still the most efficient anaerobic reactor. . As we know, UASB relies on the high-concentration and active sludge bed in the reactor, and the high-concentration or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/28F24J2/24F24S10/70
CPCY02E10/44Y02W10/37
Inventor 吴伟祥何洋洋孙法迁吴杭航马壮
Owner ZHEJIANG UNIV
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