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重庆污水处理

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Company Name: Chongqing Wolik Environmental Protection Equipment Co., Ltd.

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Landline: 023-47294586

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Address: No. 27, Fuxin Road, Shuangfu New District, Jiangjin District, Chongqing



Chongqing underground sewage treatment equipment

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Chongqing underground sewage treatment equipment

重庆地埋式污水处理设备
  • Category: Sewage treatment equipment

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  • Release Date: 2019/06/12
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Detailed introduction

Introduction:

I、II级接触氧化池、二沉池、污泥池集中一体的设备,并在I、II级接触氧化池中进行鼓风曝气,使接触氧化法和活性污泥法有效的结合起来,同时具备两者的优点,并克服两者的缺点,使污水处理水平进一步提高。 The integrated sewage treatment equipment is a device that integrates a settling tank, a class I and II contact oxidation tank, a settling tank, and a sludge tank, and performs aeration and aeration in the class I and II contact oxidation tank to make contact oxidation The method and the activated sludge method are effectively combined, have the advantages of both, and overcome the shortcomings of the two, so that the level of sewage treatment is further improved.

Features:

1. Strong ability to resist impact load, the average residence time of contact oxidation method is more than 6 hours.

2. It has the ability to remove nitrogen and phosphorus, and can adjust the structure of the equipment to achieve the ability to treat industrial wastewater, domestic sewage, and urban sewage.

3. The fillers in the contact oxidation tank are mostly combined soft fillers, which are lightweight, high strength, stable physical and chemical properties, large specific surface area, strong biofilm adhesion ability, and high contact efficiency between sewage and biofilm.

4. In the contact oxidation tank, the aerator is used for blast aeration, so that the fiber bundles are constantly drifting, the aeration is uniform, and the growth of microorganisms is mature. It has the characteristics of activated sludge method.

5. The effluent water quality is stable, the sludge output is small and easy to handle.

6. The submersible pump can be installed in the equipment to reduce engineering investment.

7. The equipment can be installed on the ground or buried underground. When buried in the ground, the upper cover can be used for greening, the plant area is small, and there are few ground structures.

8, easy to complete automatic control, simple management operations.

9, equipment can be connected to the car to make a mobile integrated sewage treatment equipment.

Scope of application:

Integrated sewage treatment equipment is suitable for residential sewage, residential villages, villages, towns, office buildings, shopping malls, hotels, restaurants, nursing homes, institutions, schools, troops, hospitals, highways, railways, factories, mines, tourist attractions and other domestic sewage Similar small slaughter, aquatic product processing, food and other small and medium-sized industrial organic wastewater treatment and reuse. B标准。 The quality of sewage treated by this equipment has reached the Grade B standard of the national comprehensive sewage treatment discharge standard.

Implementation standards:

1. Pollutant concentration discharge standard for urban sewage treatment plants GB18918-2002

2. Sewage discharge standards for medical institutions GB18466-2005

 

BOD5 200mg/L 计。 The main treatment method is the contact oxidation method using biochemical treatment technology. The design of the combined integrated domestic sewage treatment equipment is mainly for domestic sewage and similar industrial organic sewage treatment. The water quality parameters are calculated according to the general domestic sewage water quality, and the inlet BOD5 is 200mg / L meter.

1. 水解酸化池; 2. 接触氧化池; 3. 杂质沉淀池; 4. 消毒处理; 5. 污泥好氧消化池。 The main components are: 1. Hydrolytic acidification tank; 2. Contact oxidation tank; 3. Impurity sedimentation tank; 4. Disinfection treatment; 5. Sludge aerobic digestion tank.

Hydrolytic acidification tank

The main process of this process is to pre-treat the wastewater before treatment, to perform a certain anaerobic fermentation of the wastewater in the water, and to improve the biodegradability of the wastewater. This is an important step before the wastewater treatment and can directly affect the wastewater in the later stage. The efficiency and time of treatment can maximize the efficiency of waste water treatment and reduce consumption.

2. Contact oxidation tank

The oxidation pond is divided into several levels according to the degree of pollution of water treatment, ordinary type and enhanced type. It is generally judged based on the processing time. 4-6 小时之间的使用加强型的氧化池。 If the treatment time is not more than four hours, use a common oxidation tank, and if the treatment time is between 4-6 hours, use an enhanced oxidation tank. It mainly uses the effluent from the hydrolysis acidification tank to flow to the contact oxidation tank for biochemical treatment. Most of the organic matter in the raw sewage is degraded and purified here. The aerobic bacteria use the filler as a carrier and use the organic matter in the sewage as food to decompose the organic matter in the sewage into inorganic salts, thereby achieving the purpose of purification. To survive aerobic bacteria, there must be enough oxygen, that is, enough dissolved oxygen in sewage to achieve the purpose of biochemical treatment. The aerobic tank air is provided by a fan. The tank uses a new type of elastic three-dimensional filler. The surface area of the filler is large, the service life is long, the film is easy to hang, and it is resistant to corrosion. At the same time, it has the advantages of light weight, no aging, easy blocking and long service life. 12 1 左右。 The gas-water ratio of the contact pool is around 12 : 1 . 0.5-5 m3/h 接触池为二级) ( 0.5-5 m3 / h contact pool is the second level)

3. Impurity sedimentation tank

After the sewage is treated by the biological contact oxidation pond, the effluent flows into the sedimentation tank to further precipitate and remove the fallen biofilm and some organic and inorganic small particles. The sedimentation pond is based on the principle of gravity. When the sewage containing suspended matter flows from the bottom to the top, At this time, the material is precipitated by the action of gravity. The upper part of the sedimentation tank is provided with an adjustable weir to adjust the water level; the lower part is provided with a conical sedimentation area and a sludge gas device. The air source is provided by a fan, and the sludge is transported to the sludge aerobic digestion tank by air lift.

4. Disinfection

«TJ14-74» 标准为 30 分钟,若是医院污水,消毒池增加停留时间至 1-1.5 小时。 The disinfection tank is 30 minutes according to the standard «TJ14-74» . If it is hospital sewage, the disinfection tank will increase the residence time to 1-1.5 hours. Our company adopts chlorine dioxide disinfection device. The disinfection tank and disinfection device can continuously change the dosage according to the amount of water output to achieve the purpose of more water and more medicine, less water and less medicine. Other devices can be prepared separately. (If used for industrial sewage, disinfection tanks and disinfection devices can be omitted.)

5.Aerobic digester of sludge

The remaining sludge discharged from the sedimentation tank is subjected to aerobic digestion and stabilization treatment in the tank to reduce the volume of the sludge and improve the stability of the sludge. After aerobic digestion, the amount of sludge is small. When cleaning, you can use a suction truck to reach the bottom of the sludge tank from the inspection hole of the sludge tank for suction and then transport it (clean up every six months). The upper part of the sludge aerobic digestion tank is provided with a supernatant liquid reflux device, so that the supernatant liquid overflows to the hydrolysis and acidification tank.



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