First-division up-flow combined baffle plate anaerobic hydrolysis reaction integrated device

A baffle plate anaerobic and hydrolysis reaction technology, applied in the field of sewage treatment equipment, can solve the problems of poor impact load resistance, poor treatment effect, sludge loss, etc., achieve strong impact load resistance, reduce anaerobic pollution Effect of mud loss and improvement of mud-water mixing state

Inactive Publication Date: 2017-11-24
JIANGSU PROVINCIAL ACAD OF ENVIRONMENTAL SCI
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the current problems such as poor impact load resistance, high energy consumption, serious sludge loss, and poor treatment effect in anaerobic hydrolysis reactors when treating small and medium-sized industrial wastewater, the purpose of the present invention is to provide a new type of Shouge Integrated device for anaerobic hydrolysis reaction with flow combined baffles

Method used

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  • First-division up-flow combined baffle plate anaerobic hydrolysis reaction integrated device
  • First-division up-flow combined baffle plate anaerobic hydrolysis reaction integrated device
  • First-division up-flow combined baffle plate anaerobic hydrolysis reaction integrated device

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Embodiment 1

[0032] Such as Figure 1~2 The Shouge up-flow combined baffle anaerobic hydrolysis reactor shown in the figure is a steel structure with a treatment capacity of 200m 3 / d, the treatment object is high-concentration wastewater from a chemical enterprise, the concentration of which enters the anaerobic hydrolysis reactor is COD=5000mg / L, and the concentration of phenol is ≤100mg / L.

[0033] The whole reactor is divided into five reaction chambers, which are the first single-group UASB and four-cell ABR up-and-down flow reaction chambers (single group) connected in series. Each reaction chamber is separated by a partition and relies on the flow hole to pass water. After being collected, the waste water enters the Shouge UASB from the bottom. The water inlet distribution pipe 9 is a circular perforated pipe for water distribution, and the opening is downward to prevent the sedimentation sludge from blocking the water inlet pipe 7 . During the upflow process, the sewage contacts t...

Embodiment 2

[0039] Such as image 3 The first grid up-flow combined baffle plate anaerobic hydrolysis reaction integrated device shown is a steel concrete structure, and the water treatment volume is 10000m 3 / d, the treatment object is comprehensive wastewater from a chemical industrial park, and its concentration entering the anaerobic hydrolysis reactor is COD=350-400mg / L.

[0040] The whole reactor is divided into five reaction chambers, which are the first grid UASB (four groups parallel), four ABR up and down flow reaction chambers (two groups) connected in series, each reaction chamber is separated by a partition, relying on the flow hole to pass water, Every two groups of up-flow reaction chambers correspond to a group of ABR reaction chambers. Due to the large number of pools, the collected waste water enters the first up-flow reaction chamber through the water distributor 14. Specifically, perforated pipes are used for water distribution, and the opening is downward to prevent ...

Embodiment 3

[0046] It is basically the same as in Example 1, except that the first UASB (two groups are arranged side by side), and the five ABR up and down flow reaction chambers (three groups) are connected in series, and the volume of the filler in each ABR accounts for 1 / 4 of the volume of the device. The width of the fifth grid ABR is 10% larger than that of the first four grids. The volume ratio of the ABR up and down flow reaction chamber is 3:1, the angle between the partition and the baffle is 120°, and the angle between the ABR pool wall and the baffle is 120° °; The reflux ratio of the supernatant of Shouge UASB is 3:1, and the reflux ratio of the sludge collected by the last ABR is 1:1.

[0047] The treated water volume is 4000m 3 / d, influent COD=500~600mg / L. After treatment, the effluent COD is about 300mg / L, and the removal rate is about 40-50%. In addition, the B / C of wastewater was increased by about 0.2.

[0048] Table 3 uses embodiment 3 of the present invention and ...

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Abstract

The invention discloses a first-division up-flow combined baffle plate anaerobic hydrolysis reaction integrated device. According to the device, the first division is an up-flow anaerobic sludge blanket, which is then connected in series with multiple divisions of anaerobic baffled reactors. The first division adopts the UASB, large-ration reflux of filling material and supernatant is set, and sludge concentration of a mud water mixing zone is effectively increased. Then, resistance to impact load of the whole anaerobic hydrolysis reactor is enhanced, and the problem that a traditional ABR first-division reaction chamber has large bearing load and local loads overload is solved. During baffling process of sludge and wastewater in the ABR upward-flow and downward-flow reaction chambers, mud water mixing state is improved, and the defect that a traditional ABR upward-flow chamber has many channels and blind angles is overcome. By arranging a filling material zone in the ABR upward-flow reaction chamber, microbe enrichment effect is raised, and the anaerobic hydrolysis effect is better. By arranging a sludge collection and return system at the end of the ABR, loss of anaerobic sludge is avoided, operation is flexible, and mobility is strong. The device of the invention is suitable for promotion and application in the field of small and medium-sized wastewater treatment.

Description

technical field [0001] The invention relates to the field of sewage treatment devices, in particular to an anaerobic hydrolysis reactor. Specifically, it refers to a Shouge upflow combined baffle anaerobic hydrolysis reaction integrated device. Background technique [0002] Anaerobic treatment process is a common wastewater treatment process. According to its flow characteristics, common forms include upflow type, fully mixed flow type and baffle type, etc., which can be divided into upflow anaerobic sludge bed (UASB), Expanded Granular Sludge Bed Reactor (EGSB), Anaerobic Internal Circulation Reactor (IC), Anaerobic Folded Plate Reactor (ABR), etc., are mainly used for the pretreatment of urban domestic sewage, chemical printing and dyeing and other industrial wastewater. Among them, UASB is widely used because of its high sludge concentration, good mud-water mixing effect and no need for subsequent sludge sedimentation units. The characteristic of ABR is that multiple ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/28
CPCC02F3/284C02F3/2846C02F3/286C02F3/2866C02F3/2873C02F2203/006
Inventor 张龙涂勇白永刚林乔乔喻学敏
Owner JIANGSU PROVINCIAL ACAD OF ENVIRONMENTAL SCI
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