Self-circulation device of anaerobic reactor
An anaerobic reactor and self-circulation technology, which is applied in the field of anaerobic reactors, can solve the problems of a sharp decrease in the self-circulation of muddy water, low efficiency of biogas utilization, and affecting the efficiency of muddy-water circulation, etc., to achieve self-circulation of muddy water and utilization efficiency of biogas High, stable operation effect
Pending Publication Date: 2022-05-10
YANGZHOU UNIV
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Problems solved by technology
However, IC reactors have strict requirements on the design of the height-to-diameter ratio of the reactor, the diameter of the return riser pipe, and the lifting height of the muddy water.
In addition, the IC reactor is greatly affected by the intensity of gas production. When the intensity of gas production does not meet the design requirements, even if the total gas production is not low, the amount of muddy water self-circulation drops sharply, and even continuous flow cannot be formed, and the efficiency of biogas utilization is low.
In actual engineering practice, the gas production intensity of anaerobic reactors usually fluctuates greatly, which directly affects the mud-water circulation efficiency, and the promotion of IC technology is limited
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Embodiment 1
[0022] Such as Figure 1-2 A self-circulation device for an anaerobic reactor shown includes a main reactor 14 (generally a reaction tank), the top of the main reactor 14 is provided with an outlet weir 9, and the bottom of the main reactor 14 is provided with a water inlet system 1 and a cloth Water system 2. In this embodiment, the water inlet system 1 adopts a conventional water inlet pipe, and the water outlet of the water inlet pipe is bent upwards and arranged below the water distribution system 2. A three-phase separator 5 is arranged on the upper part of the main reactor 14. The inner wall of the reactor 14 is located below the three-phase separator 5 and is provided with a deflector 4 (to facilitate gas collection), and the top of the three-phase separator 5 is connected with a guide pipe 8, which is connected to a sealed gas collecting The upper position of box 7, in the present embodiment, gas collection box 7 is arranged on the outside of main reactor 14, and the t...
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The invention discloses an anaerobic reactor self-circulation device in the technical field of sewage anaerobic treatment, which comprises a main reactor, a water inlet system is arranged at the bottom of the main reactor, a three-phase separator is arranged in the main reactor, the top of the three-phase separator is connected with a flow guide pipe, the flow guide pipe is connected to a sealed gas collection tank, and the gas collection tank is connected with a gas outlet of the main reactor. An exhaust pipe is connected to the top of the gas collection tank, an exhaust valve is arranged on the exhaust pipe, a backflow ascending pipe is arranged in the gas collection tank, the lower end of the backflow ascending pipe extends into the bottom of the gas collection tank, the top end of the backflow ascending pipe is connected to a backflow water tank, the backflow water tank is arranged above the gas collection tank, and a backflow descending pipe is connected to the bottom of the backflow water tank. According to the sludge-water self-circulation sewage treatment device disclosed by the invention, sludge-water self-circulation can be realized without external power, and the utilization efficiency of biogas is improved.
Description
technical field [0001] The invention relates to the technical field of anaerobic treatment of sewage, in particular to an anaerobic reactor. Background technique [0002] Good mass transfer is one of the key links in the efficient and stable operation of anaerobic reactors. At present, anaerobic reactors mainly improve mass transfer by means of mechanical stirring, self-circulation of mud and water (IC reactor), and external circulation of mud and water (EGSB reactor). Among them, mechanical stirring and mud-water external circulation need artificial power, which increases the construction cost and operating cost of the reactor. [0003] The third-generation anaerobic reactor represented by IC uses the density difference generated during the rising process of biogas as power to realize the internal circulation of mud and water without the need for artificial power. However, the IC reactor has strict design requirements on the aspect ratio of the reactor, the diameter of th...
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Login to View More IPC IPC(8): C02F3/28
CPCC02F3/2873C02F3/2866
Inventor朴哲孙浩徐昊
OwnerYANGZHOU UNIV