CN201154938Y - Multifunctional sewage treatment and reuse system - Google Patents

Abstract

The utility model relates to a multifunctional sewage treatment and reuse system, which comprises a sewage supply mechanism, a purification agent supply mechanism, a treatment tank, a reuse water supply mechanism and a sludge discharge mechanism. One end of the sewage supply mechanism is connected to the sewage pool, and the other end is connected to the water inlet of the treatment tank; the purifying agent supply mechanism is connected to the sewage supply mechanism; the treatment tank includes the water inlet pipe, the tank body, the main shaft, the recoil tank, and the exposure tank connected to the sewage supply mechanism at the water inlet. The air pipe, filter screen, drain pipe and motor of the external return water supply mechanism, among which, the water inlet pipe is a curved pipe that is repeatedly bent and extends around the tank body; The conduit in the recoil tank, the bottom of the tank is provided with a sludge storage tank externally connected to the sludge discharge mechanism, and the tank wall of the recoil tank is provided with seepage holes. The utility model can choose the activated sludge method or the physical/chemical method according to the nature of the sewage, has a wider application range, can maximize the investment in energy saving and emission reduction, and has a good environmental protection effect.

Description

Multifunctional sewage treatment and reuse system

technical field

The utility model relates to the technical field of sewage treatment, in particular to a multifunctional sewage treatment and reuse system.

Background technique

At present, with the increasing emphasis on environmental protection, a large amount of sewage generated in industrial production and daily life must be purified before it can be discharged. Common sewage treatment methods include activated sludge process (SBR) and physical/chemical process (SPR), which generally treat different types of sewage respectively. However, most of the existing sewage treatment systems are designed according to one of the methods and are only designed to treat a certain type of sewage, and it is difficult to flexibly choose a sewage treatment method according to the nature of the sewage, which limits its scope of application.

Utility model content

The technical problem to be solved by the utility model is to provide a multifunctional sewage treatment and reuse system, which can be applied to different sewage treatment methods and has a wide application range.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a multifunctional sewage treatment and reuse system, including a sewage supply mechanism, a purifier supply mechanism, a treatment tank, a reuse water supply mechanism and a sludge discharge mechanism. One end of the sewage supply mechanism is connected to the sewage pool, and the other end is connected to the water inlet end of the treatment tank; the purifying agent supply mechanism is connected to the sewage supply mechanism; the treatment tank includes a water inlet pipe, a tank body, and is rotatably arranged on the central axis of the tank body. The main shaft, the recoil tank set at the bottom of the main shaft, the aeration pipe extending from the outside to the bottom of the tank, the filter screen set on the top of the tank body, the drain tank set on the tank above the filter screen and externally connected to the return water supply mechanism The pipe and the motor used to drive the main shaft to rotate, wherein, the water inlet pipe is a curved pipe that is repeatedly bent and extends around the tank body, and its water inlet end is connected to the sewage supply mechanism; the center of the bottom surface of the tank body is provided with a bottom end and an end of the water inlet pipe Connected with a conduit whose top extends upwards into the recoil tank, the bottom of the tank is provided with a sludge storage tank externally connected to the sludge discharge mechanism, and the tank wall of the recoil tank is provided with seepage holes.

Preferably, the reuse water supply mechanism includes a reuse water tank provided at the end of the drain pipe to receive the reuse water, a reuse water pump for pumping the return water, and a return water supply pipe connected to the return water pump.

Preferably, the sludge discharge mechanism includes a sludge discharge pipe connected to the sludge storage tank, a sludge filter arranged at the end of the sludge discharge pipe, and arranged on the top of the sludge filter to discharge the filtered sewage into the sewage tank The sewage return pipe and the sludge dehydrator connected to the bottom of the sludge filter.

Preferably, the drain pipe is also provided with a branch line with a control valve, and the branch line is connected to the water inlet end of the water inlet pipe.

Preferably, the main shaft is a hollow shaft tube, the top end of which extends out of the tank and communicates with the return water supply pipe.

Preferably, a vent pipe is provided at the bottom end of the tank body.

Preferably, the sewage supply mechanism includes a sewage pump, a sewage pump suction pipe and a sewage pump water supply pipe.

Preferably, the cleaning agent supply mechanism includes a cleaning agent storage tank, a flow meter and a corresponding pipeline, and the end of the pipeline is connected to the water inlet port of the sewage pump.

Preferably, the tank body is also provided with a clear water sampling tube, a clear water sampling tube, a reaction chamber sampling tube and a reflux area sampling tube.

Preferably, several transparent observation windows arranged up and down are arranged on the side of the tank body.

The beneficial effects of the utility model are: by setting the elbow type water inlet pipe which is repeatedly bent and extended, the sewage flow time is effectively increased, and the biological and chemical reaction time is prolonged, and the impact of the sewage by the recoil tank makes the sewage fully Under aeration conditions, the chemical reaction speed is accelerated, and the sediment is formed faster; and there is also an aeration tube on the tank body, which can effectively improve the efficiency of the activated sludge, and only need to be closed when the aeration tube is not used . The system of the utility model can individually select the activated sludge method or the physical/chemical method according to the nature of the sewage, which has a wider scope of application, can maximize the investment in energy saving and emission reduction, and has a good environmental protection effect.

Description of drawings

Fig. 1 is a schematic diagram of the system composition of the multifunctional sewage treatment and reuse system of the present invention (the treatment tank is partially cut away).

Fig. 2 is a partial cross-sectional schematic diagram of a treatment tank of the multifunctional sewage treatment and reuse system of the present invention.

Fig. 3 is the internal structure diagram of the treatment tank of the multifunctional sewage treatment and reuse system of the present invention.

Below in conjunction with accompanying drawing, the utility model is further described:

Detailed ways

As shown in Figures 1 to 3, the utility model provides a multifunctional sewage treatment and reuse system, including a sewage supply mechanism 1, a purifying agent supply mechanism 2, a treatment tank 3, a reuse water supply mechanism 4 and a sludge discharge mechanism .

Wherein, the sewage supply mechanism 1 includes a sewage pump 10 , a sewage pump suction pipe 11 and a sewage pump water supply pipe 12 . One end of the sewage pump suction pipe 11 is inserted into the sewage pool 13, and the other end is connected to the water inlet of the sewage pump 10; In order to preliminarily filter out larger solids in the sewage, the sewage pool 13 can be divided into two parts by a grid 14, and the sewage enters one part, flows through the grid 14 and enters the other part after being filtered.

The cleaning agent supply mechanism 2 includes a cleaning agent storage tank 20, a flow meter 22 and a corresponding pipeline 24. The cleaning agent storage tank 20 and the flow meter 22 are connected by the pipeline 24, and the flow meter 22 is connected by the pipeline. 24 is connected to the water inlet end of the sewage pump 10.

The treatment tank 3 includes a water inlet pipe 30, a tank body 31 supported by support feet 310, a main shaft 32 rotatably arranged on the inner axis of the tank body 31, a recoil tank 33 arranged at the bottom end of the main shaft 32, and an external Stretch into the aeration pipe 34 at the inner bottom of the tank body 31, the filter screen 35 located at the inner top of the tank body 31, the drain pipe 36 located at the tank body 31 above the filter screen 35, the vent pipe located at the bottom surface of the tank body 31 The tube 37 and the motor (not shown) used to drive the main shaft 32 to rotate. Wherein, the water inlet pipe 30 is a curved pipe that is repeatedly bent and extends around the tank body 31 , and its water inlet end 300 is connected to the sewage supply mechanism 1 . The central part of the bottom of the tank body 31 is provided with a conduit 311 whose bottom end is connected to the end of the water inlet pipe 31 and whose top end extends upwards into the recoil tank 33 . The inner bottom of the tank body 31 is provided with a mud storage tank 312 . In this embodiment, the main shaft 32 is a hollow shaft tube, the top end of which extends out of the tank body 31 and communicates with the reuse water supply mechanism 4 . In this embodiment, the recoil tank 33 is similar to a bell, and water seepage holes (not shown) are provided on the tank wall to allow the supernatant to seep out. The drain pipe 36 is used for the outflow of the supernatant liquid produced after treatment, which is externally connected to the return water supply mechanism 4 . In addition, a branch pipeline 361 with a control valve 360 can also be provided on the drain pipe 36, and the branch pipeline 361 is connected to the water inlet end 300 of the water inlet pipe 30, so that it only needs to be opened when the treated water has not reached the established standard. By controlling the valve 360, the discharged water can enter the treatment tank 3 again through the branch pipeline 361 for secondary treatment. The vent pipe 37 located at the bottom of the tank body 31 is used to completely drain the sewage and sludge in the treatment tank.

In order to facilitate sampling and detection of sewage physical and chemical indicators, several sampling pipes are also provided on the tank body 31. In this embodiment, the sampling pipes include clear water sampling pipe 381, clear water sampling pipe 382, reaction chamber sampling pipe 383 and reflux area sampling pipe 384 .

For the convenience of observing the sewage reaction treatment state in the tank body 31, a number of transparent observation windows 39 arranged up and down are also provided on the side of the tank body 31. Generally, upper, middle and lower transparent observation windows are set.

The reclaimed water supply mechanism 4 is connected to the drain pipe, including a reclaimed water pool 40 arranged at the end of the drain pipe 36 to receive reclaimed water, a reclaimed water pump 42 for extracting reclaimed water, and a reclaimed water supply pipe 44 connected to the reclaimed water pump 42 .

Described sludge discharge mechanism links to each other with mud storage tank 312, comprises the mud discharge pipe 50 that links to each other with mud storage tank 312, is located at the sludge filter 52 of mud discharge pipe 50 end, is located at the sludge filter 52 tops to The filtered sewage is discharged to the sewage return pipe 54 in the sewage pool 13 and the sludge dehydrator 56 connected to the bottom of the sludge filter 52 .

In specific use, the sewage is extracted by the sewage supply mechanism 1 and mixed with a purifying agent and then sent to the water inlet pipe 30. The sewage flows in the curved tubular water inlet pipe 30 that is repeatedly bent and extended, and chemical reactions are carried out at the same time; when the sewage reaches When the recoil tank 33 is used, the sewage is impacted up and down, so that the sewage is fully aerated and the chemical reaction is more complete. At the same time, the activated sludge also fully plays its role; because the recoil tank 33 also rotates with the main shaft 32 at high speed, the sewage forms a high-speed vortex state , the precipitate (sludge) is gradually separated from the supernatant, and the sludge falls into the sludge tank 312, while the supernatant overflows from the drain pipe 36 after being further filtered by the filter screen 35 and enters the reuse water supply mechanism 4 for supplying reuse; and the sludge can enter the sludge discharge mechanism 5, and can be transported away after being filtered and dehydrated.

And when all the sludge in the tank body 31 needs to be discharged cleanly, then the vent pipe that is located at the bottom of the tank body 31 can be opened.

When the utility model is in use, it can be determined whether to open the aeration pipe 34 according to the nature of the sewage, so that an appropriate treatment method can be selected according to the nature of the sewage, so that energy saving and emission reduction can produce maximum benefits.

Claims (10)

1. A multifunctional sewage treatment and reuse system, including a sewage supply mechanism, a purifying agent supply mechanism, and a treatment tank. One end of the sewage supply mechanism is connected to the sewage pool, and the other end is connected to the water inlet of the treatment tank. The purifying agent supply mechanism is connected to the In the sewage supply mechanism, it is characterized in that: the treatment tank includes a water inlet pipe, a tank body, a main shaft rotatably arranged on the central axis of the tank body, a recoil tank arranged at the bottom end of the main shaft, and a bottom part extending from the outside into the bottom of the tank body. The aeration pipe, the filter screen on the top of the tank, the drain pipe on the tank above the filter screen and the motor used to drive the main shaft to rotate, wherein the water inlet pipe is bent repeatedly and extends around the tank body Bent pipe, the water inlet end of which is connected to the sewage supply mechanism; the bottom of the tank body is provided with a conduit in the center of which the bottom end is connected to the end of the water inlet pipe and the top extends upwards into the recoil tank. There is a mud storage tank at the bottom of the tank body. The tank wall is provided with seepage holes; the multi-functional sewage treatment and reuse system also includes a reuse water supply mechanism connected with the drainage pipe and a sludge discharge mechanism connected with the mud storage tank. 2. The multi-functional sewage treatment and reuse system according to claim 1, characterized in that: the reuse water supply mechanism includes a reuse water pool installed at the end of the drain pipe to receive the reuse water, and a reuse water pump to extract the reuse water and the return water supply pipe connected to the return water pump. 3. The multifunctional sewage treatment and reuse system according to claim 1, characterized in that: the sludge discharge mechanism includes a sludge discharge pipe connected to the sludge storage tank, and a sludge filter installed at the end of the sludge discharge pipe , The sewage return pipe installed on the top of the sludge filter to discharge the filtered sewage to the sewage tank and the sludge dehydrator connected to the bottom of the sludge filter. 4. The multifunctional sewage treatment and reuse system according to claim 1, characterized in that: said drainage pipe is also provided with a branch pipeline with a control valve, and said branch pipeline is connected to the water inlet end of the water inlet pipe. 5. The multifunctional sewage treatment and reuse system according to claim 2, wherein the main shaft is a hollow shaft tube, the top of which extends out of the tank and communicates with the reuse water supply pipe. 6. The multi-functional sewage treatment and reuse system according to claim 1, characterized in that: the bottom of the tank body is also provided with a vent pipe. 7. The multifunctional sewage treatment and reuse system according to claim 1, wherein the sewage supply mechanism includes a sewage pump, a sewage pump suction pipe and a sewage pump water supply pipe. 8. The multi-functional sewage treatment and reuse system according to claim 7, characterized in that: the purifying agent supply mechanism includes a purifying agent storage tank, a flow meter and corresponding pipelines, and the end of the pipelines is connected to the inlet of the sewage pump. Shuikou end. 9. The multi-functional sewage treatment and reuse system according to claim 1, characterized in that: the tank body is also provided with clear water sampling tubes, clear water sampling tubes, reaction chamber sampling tubes and reflux zone sampling tubes. 10. The multi-functional sewage treatment and reuse system according to claim 1, characterized in that: the side of the tank body is provided with several transparent observation windows arranged up and down.

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