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A kind of advection sedimentation tank with sludge modified return system and its return method

An advective sedimentation tank and sludge technology, which is applied in the field of water treatment, can solve the problems of deterioration of water production, uncontrollable water quality and stability, large impact on production capacity and equipment safety, etc., and achieves the effects of stable water quality, manpower saving, and low implementation costs.

Active Publication Date: 2016-01-20
乾通环境科技(苏州)有限公司
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Problems solved by technology

[0006] The current advection sedimentation tank and the improved "micro-vortex" sedimentation tank based on it cannot control and stabilize the water quality when the temperature and water quality of the incoming water change due to its own structure, and the probability of water production deterioration is high. Great impact on production capacity and equipment safety

Method used

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  • A kind of advection sedimentation tank with sludge modified return system and its return method
  • A kind of advection sedimentation tank with sludge modified return system and its return method

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Embodiment Construction

[0039] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so it only shows the composition related to the present invention.

[0040] like Figure 1-2 As shown, an advection sedimentation tank with a modified sludge return system includes a tank body 2 and a water inlet 4 and a water outlet 6 located at both ends of the tank body 2. The tank body 2 includes one end near the water inlet 4, The reaction zone 8 and the transition zone 12 arranged in sequence along the water flow direction also include a reflux system 14 communicated with the pool body 2 . The return system 14 includes a sludge pipeline connecting the transition zone 12 and the reaction zone 8, and a sludge delivery pump that drives the sludge to return to the reaction zone 8 through the sludge pipeline ...

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Abstract

The invention relates to a horizontal flow sedimentation tank with a sludge modification return system, and a return method thereof. The horizontal flow sedimentation tank comprises a tank body as well as a water inlet and a water outlet formed in two ends of the tank body, wherein the tank body comprises a reaction zone and a transition zone which are sequentially arranged at the end close to the water inlet in the water flow direction; the horizontal flow sedimentation tank is characterized by further comprising a return system communicated with the tank body; the return system comprises a sludge pipeline for connecting the transition zone and the reaction zone, and a sludge transportation pump for driving sludge to flow back to the reaction zone from the transition zone; a medicine feeding pump and a sludge curing box are sequentially arranged in a pipeline of the sludge pipeline in the sludge transportation direction; the medicine feeding pump is used for adding an activating agent into the sludge. Through the sedimentation tank and the return method, which are provided by the invention, the quality of produced water is stable, the energy consumption is low, the effect is good, follow-up treatment processes are not influenced, moreover, the transformation workload is relatively small, and the cost is low.

Description

technical field [0001] The invention relates to the field of water treatment, in particular to a reaction sedimentation tank. Background technique [0002] In the field of water treatment, no matter the water purification industry represented by tap water or the pure water industry represented by thermal power generation, reaction sedimentation tanks are generally used. There are many types of reaction sedimentation tanks. Due to the late development of my country's modern industry, reaction sedimentation technology equipment mainly comes from the former Soviet Union and Europe and the United States. At present, there are mainly two types of advection (labyrinth) reaction sedimentation tanks (hereinafter referred to as advection sedimentation tanks) and mechanical agitation reaction sedimentation tanks. The difference between the two is the way of providing the energy required for coagulation and clarification. [0003] Sludge reflux technology is a technical process to in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/52
Inventor 庞胜林
Owner 乾通环境科技(苏州)有限公司
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