CN206927709U - A kind of wastewater from car washer processing system - Google Patents

Abstract

The utility model discloses a car wash wastewater treatment system, which is characterized in that it comprises an oil-separating grit chamber, a buffer tank, a multi-media filtering integrated device and a clear water pool connected in sequence, and adopts "oil-separating sedimentation + multi-media filtering" The treatment process makes this process have the advantages of high treatment efficiency, excellent and stable effluent quality, low sludge output, saving investment costs and operating costs, and solves the problems of complicated traditional process procedures, incomplete filtration, poor water quality, and pollution to the environment. question.

Description

A car wash wastewater treatment system

technical field

The utility model relates to the technical field of sewage treatment, in particular to a car washing wastewater treatment system.

Background technique

With the development of the economy and the improvement of people's living standards, the number of cars owned by units and families is also increasing. The car wash industry is becoming more and more prosperous. The car wash industry is a large municipal water user, and the water consumption for unit vehicle cleaning is on the rise. Large water consumption. The increasing water for car washing and the shortage of urban water resources have made the wastewater treatment of the car washing industry an urgent problem to be solved. Car wash wastewater contains a large amount of oil, organic matter, anionic synthetic detergent and other pollutants. If the car wash wastewater is directly discharged into the municipal sewage pipe network, it will not only waste a lot of water resources but also increase urban pollution and damage the surrounding ecological environment. In addition , Car wash wastewater also contains a large amount of mud and sand, long-term discharge of these mud and sand will block the city's drainage pipe network, resulting in poor drainage. Based on the above analysis, the technical problems existing in the existing car wash wastewater treatment process are improved, and a car wash wastewater treatment device is designed to effectively separate the sediment in the car wash wastewater and remove oil, organic matter, and anion synthetic washing liquid in the car wash wastewater. A large amount of pollutants, it is particularly important to purify car wash wastewater into car wash water that can meet secondary use, save water resources, and protect the ecological environment.

Therefore, prior art also needs further improvement and development.

Utility model content

The purpose of this utility model is to provide a car wash wastewater treatment system, which aims to solve the problem of low treatment efficiency, unstable effluent quality, high sludge output, and a large amount of mud and sand in the car wash wastewater. Long-term discharge of these mud and sand will block The city's drainage pipe network leads to poor drainage.

The technical solutions adopted are:

A car wash wastewater treatment system, which includes an oil-separating grit chamber, a buffer tank, a multi-media filtering integrated device and a clear water pool connected in sequence, wherein the multi-media filtering integrated device is filtered by a multi-media filter and activated carbon device and bag filter.

The car wash wastewater treatment system, wherein, the oil separation grit chamber is provided with a grid for isolating oil stains and an oil absorbing stick for absorbing oil stains.

The car wash wastewater treatment system, wherein, the oil-separating grit chamber is connected to the buffer tank through a pipeline at the bottom of the tank.

In the car wash wastewater treatment system, the wastewater in the buffer pool is pumped into the multi-media filtration integrated device through a submersible sewage pump.

In the car wash wastewater treatment system, the multimedia filter is filled with limestone, ceramsite, and quartz sand as filter media.

The car wash wastewater treatment system, wherein, in the multi-media filtration integrated device, the water inlet of the multi-media filter is connected to the submersible sewage pump, the water outlet of the multi-media filter is connected to the water inlet of the activated carbon filter, and the activated carbon The water outlet of the filter is connected with the water inlet of the bag filter, and the water outlet of the bag filter is connected with the clear water pool.

The car wash wastewater treatment system, wherein, the car wash wastewater treatment system is also provided with a backwash pipeline, the water inlet of the backwash pipeline is connected to a clear water pool, and the water outlet of the backwash pipeline is connected to the outlet of the multimedia filter At the water inlet, a high-pressure pump is arranged at the water inlet of the backwashing pipeline.

In the car wash wastewater treatment system, the water inlet of the multimedia filter is further provided with a first drainage branch for drainage.

In the car wash wastewater treatment system, the water inlet of the activated carbon filter is further provided with a second drainage branch for drainage.

Beneficial effects: the utility model provides a new type of car wash wastewater treatment system, which adopts the "oil separation sedimentation + multi-media filtration" treatment process, which is aimed at the characteristics of complex components of sewage water quality and high concentrations of various pollutants such as suspended solids. This process has the advantages of high treatment efficiency, excellent and stable effluent quality, no SS in the treated effluent, flexible operation, enhanced adaptability to changes in water quality and quantity in the physical and chemical system, easy and complete automation, no need for special personnel to be responsible for operation and maintenance, low sludge output, and energy saving Advantages of investment cost and operating cost.

Description of drawings

Fig. 1 is a schematic structural view of a car wash wastewater treatment system in a specific embodiment of the present invention.

Fig. 2 is a schematic diagram of a multi-media filtration integrated device of a car washing wastewater treatment system in a specific embodiment of the present invention.

detailed description

In order to make the purpose, technical solution and advantages of the utility model more clear and definite, the utility model will be further described in detail below with reference to the accompanying drawings and examples.

The car wash waste water treatment system shown in Figure 1 and Figure 2, wherein, comprise the oil-separating grit chamber 100, the buffer tank 200, the multi-media filtering integrated device 300 and the clean water tank 400 connected in sequence, the oil-separating grit chamber 100 and The buffer tank 200 is connected by a tank bottom pipeline. Wherein, the oil-separating grit chamber is provided with a grid 110 for isolating oil pollution and an oil-absorbing stick 120 for absorbing oil pollution. The integrated multimedia filter device 300 is composed of a multimedia filter 310 , an activated carbon filter 320 and a bag filter 330 .

The car washing wastewater treatment system shown in Figure 2, wherein the wastewater in the buffer pool 200 is pumped into the integrated multimedia filtration device through the submersible sewage pump 210 (the flow of wastewater is shown by the arrow), further, the integrated multimedia filtration In the purification device 300, the water inlet of the multimedia filter is connected to the submersible sewage pump 210, the water outlet of the multimedia filter 310 is connected to the water inlet of the activated carbon filter 320, and the water outlet of the activated carbon filter 320 is connected to the bag filter 330 The water inlet of the bag filter 330 is connected to the water outlet of the bag filter 330 and the clear water tank 400 is connected. Wherein, the multimedia filter 310 is filled with limestone, ceramsite, and quartz sand as filter media, and the filter media can be used to remove impurities in adsorbed oil and sewage, and remove colloidal impurities or suspended solids in water. It can effectively remove bacteria and tiny particles that cannot be removed by precipitation technology.

The car wash wastewater treatment system, wherein, the car wash wastewater treatment system is also provided with a backwash pipeline 500, the water inlet of the backwash pipeline is connected to the clear water pool 400, and the water outlet of the backwash pipeline is connected to the multimedia filter At the water outlet of the backwash pipeline, a high-pressure pump 410 is installed at the water inlet of the backwashing pipeline. The high-pressure pump 410 can pump the filtered water into the multimedia filter and activated carbon filter. After filtering, impurities will remain inside the equipment. The backwashing pipeline realizes the backwashing of the equipment and prevents deposition from clogging.

In a preferred embodiment, the water inlet of the multimedia filter is also provided with a first drainage branch 510 for drainage, and the water inlet of the activated carbon filter is also provided with a second drainage branch 520 for drainage.

It should be understood that the application of the present utility model is not limited to the above examples, and those skilled in the art can improve or change according to the above description, and all these improvements and changes should belong to the protection of the appended claims of the present utility model scope.

Claims (9)

1. A car wash wastewater treatment system, characterized in that it comprises an oil-separating grit chamber, a buffer tank, a multi-media filtration integration device and a clean water pool connected in sequence, wherein the multi-media filtration integration device is formed by a multi-media filtration device, activated carbon filter and bag filter. 2 . The car wash wastewater treatment system according to claim 1 , characterized in that, the oil separation grit chamber is provided with a grid for isolating oil stains and an oil absorbing stick for absorbing oil stains. 3 . 3. The car wash wastewater treatment system according to claim 1, characterized in that, the oil-separating grit chamber is connected to the buffer tank through a pipeline at the bottom of the tank. 4. The car wash wastewater treatment system according to claim 1, characterized in that the wastewater in the buffer pool is pumped into the multi-media filtration integrated device through a submersible sewage pump. 5. The car wash wastewater treatment system according to claim 1, characterized in that, the multimedia filter is filled with limestone, ceramsite, and quartz sand as filter media. 6. The car wash wastewater treatment system according to claim 4, wherein, in the integrated device for multi-media filtration, the water inlet of the multi-media filter is connected to the submersible sewage pump, and the water outlet of the multi-media filter is connected to the active carbon filter. The water inlet of the filter is connected, the water outlet of the activated carbon filter is connected with the water inlet of the bag filter, and the water outlet of the bag filter is connected with the clear water pool. 7. The car wash wastewater treatment system according to claim 6, characterized in that, the car wash wastewater treatment system is also provided with a backwash pipeline, the water inlet of the backwash pipeline is connected to a clear water pool, and the backwash pipeline outlet is The water port is connected to the water outlet of the multimedia filter, and a high-pressure pump is arranged at the water inlet of the backwashing pipeline. 8. The car wash wastewater treatment system according to claim 6, characterized in that, the water inlet of the multimedia filter is further provided with a first drainage branch for drainage. 9. The car wash wastewater treatment system according to claim 8, characterized in that, the water inlet of the activated carbon filter is also provided with a second drainage branch for drainage.