CN207845453U - Microorganism sewage water processing unit - Google Patents

Abstract

The utility model provides a microbial sewage treatment device, which comprises a settling tank, an ozone treatment tank and a biological filter tank which are sequentially connected through a liquid pump; the settling tank is provided with an upper liquid extraction mechanism; the ozone treatment tank includes Ozone reaction box, active carbon filter box and overflow box; The bottom of described ozone reaction box is also provided with ozone aeration device, and the activated carbon layer that is used for physical filtration is arranged in described active carbon filter box; Described biological filter tank includes biological reaction A box and a membrane filtration box, the biological reaction box is provided with multiple microbial carrier layers; the membrane filtration box is provided with multiple groups of filter tubes, and the filter tubes are covered with filter membrane layers. The device has simple structure and good sewage treatment effect.

Description

Microbial sewage treatment device

technical field

The utility model relates to a sewage treatment device, in particular to a microbial sewage treatment device.

Background technique

Ozone has strong oxidizing properties, can oxidize various compounds, and has the advantages of small consumption, fast reaction speed, and no sludge generation, so it has been successfully used in drinking water, industrial wastewater and circulating cooling water treatment processes. Although ozone is extremely oxidizing, it also has certain limitations. In fact, for some organic substances, it is difficult to completely oxidize them only by using ozone, so using ozone alone to treat water is not the best method at this time. In addition, the investment cost of existing biological sewage treatment equipment is too high, which has led to the fact that China's current biological sewage treatment capacity cannot keep up with the rapid expansion of water consumption, and the construction of supporting facilities is seriously lagging behind.

In order to solve the above existing problems, people have been seeking an ideal technical solution.

Contents of the invention

The purpose of the utility model is to provide a microbial sewage treatment device aiming at the deficiencies of the prior art.

In order to achieve the above object, the technical solution adopted by the utility model is: a microbial sewage treatment device, which includes a settling tank, an ozone treatment tank and a biological filter tank connected in sequence through a plurality of pumping pumps;

The settling tank is provided with an upper layer liquid extraction mechanism, the upper layer liquid extraction mechanism includes a hose and a guide groove arranged on the inner side wall of the settling tank; the bottom of the hose protrudes from the settling tank and passes through the first A liquid suction pump is connected with the ozone treatment tank, the top of the hose is fixedly connected with a floating ball, the lower part of the floating ball is provided with a liquid suction hole, and the upper part of the floating ball is connected with a positioning ball through a soft connecting line , the positioning ball is movably arranged in the guide groove;

The ozone treatment tank includes an ozone reaction box, an activated carbon filter box and an overflow box; the side wall of the ozone reaction box is provided with a first overflow tank, and the ozone reaction box communicates with the Activated carbon filter box; the bottom of the activated carbon filter box is connected with the bottom of the overflow box; the bottom of the ozone reaction box is provided with an ozone reaction box water inlet, and the top of the overflow box is provided with an overflow box water outlet One end of the first liquid suction pump is connected to the water inlet of the ozone reaction box, and the bottom of the ozone reaction box is also provided with an ozone aeration device, and the ozone aeration device is connected with an ozone bottle, and the activated carbon An activated carbon layer for physical filtration is arranged in the filter box, and the activated carbon layer is located below the first overflow tank;

The biofiltration tank includes a bioreactor box and a membrane filtration box, the bioreactor box is provided with a multi-layer microbial carrier layer; the side wall of the bioreactor box is provided with a second overflow tank, and the second overflow tank The launder is located above the microbial carrier layer on the top floor, and the bioreactor is connected to the membrane filtration box through the second overflow tank; the bioreactor is provided with a bioreactor inlet, and the bioreactor The inlet is connected to the outlet of the overflow box through the second pump; the membrane filter box is provided with multiple sets of filter tubes, the filter tubes are covered with a filter film layer, and the multiple sets of filter tubes are connected through a confluence pipe There is a third suction pump.

Based on the above, the ozone aeration device is an aeration head, a dissolved air pump, a water ejector, a pipeline mixer, a perforated pipe or a filter head.

Based on the above, a drain valve is provided at the bottom of the sedimentation tank.

Based on the above, a sewage inlet is opened on the top of the sedimentation tank, and a sewage pump is connected to the sewage inlet.

Compared with the prior art, the utility model has substantive characteristics and progress. Specifically, the microbial sewage treatment device provided by the utility model firstly pumps the sewage into the sedimentation tank for precipitation, and then through the supernatant liquid extraction mechanism, the precipitated sludge The supernatant of sewage and large particles is pumped into the ozone aeration device, and then the ozone aeration device is used to oxidize part of the organic matter to improve the biodegradability of the organic pollutants, and finally it is combined with the biological filter tank to make full use of the oxygen generated by the decomposition of the ozone , It increases the amount of oxygen obtained by various dominant bacteria attached to the filter membrane layer, which can greatly improve the working activity of bacteria in the membrane filter box and enhance the effective treatment of sewage. The device has simple structure and good sewage treatment effect.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the microbial sewage treatment device provided by the utility model.

Fig. 2 is a schematic structural diagram of the supernatant liquid extraction mechanism in the microbial sewage treatment device provided by the present invention.

Fig. 3 is a structural schematic diagram of the guide groove in the microbial sewage treatment device provided by the utility model.

Fig. 4 is a structural schematic diagram of the filter tube in the microbial sewage treatment device provided by the utility model.

In the figure: 1. Sewage pump; 2. Sedimentation tank; 3. Supernatant liquid extraction mechanism; 31. Soft connection line; 32. Positioning ball; 33. Liquid pumping hole; 34. Floating ball; 35. Flexible hose; Guide groove; 4. The first suction pump; 5. Ozone treatment tank; 6. Ozone aeration device; 7. Ozone gas supply pipe; 8. Activated carbon layer; 9. Isolation plate; 10. Overflow box; 11. The second Liquid suction pump; 12. Biological reaction tank; 13. Microbial carrier layer; 14. Second overflow tank; 15. Filter tube; 16. Third liquid suction pump; 17. Filtration membrane layer; 18. First overflow tank ; 19, blowdown valve.

Detailed ways

The technical solutions of the present invention will be further described in detail through specific implementation methods below.

Example 1

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present embodiment provides a microbial sewage treatment device, which includes a settling tank 2, an ozone treatment tank 5, and a biological filter that are sequentially connected through a plurality of pumps. Can.

The sedimentation tank 2 is provided with a supernatant liquid extraction mechanism 3 . Specifically, as shown in Fig. 2 and Fig. 3, the upper layer liquid extraction mechanism 3 includes a hose 35 and a guide groove 36 arranged on the inner side wall of the sedimentation tank 2; the bottom of the hose 35 extends out of the sediment The tank 2 is set and communicated with the ozone treatment tank 5 through the first liquid suction pump 4 . The top of the hose 35 is fixedly connected with a floating ball 34 , the lower part of the floating ball 34 is provided with a suction hole 33 , and the upper part of the floating ball 34 is connected with a positioning ball 32 through a soft connecting wire 31 . The positioning ball 32 is movably disposed in the guide groove 36 .

The ozone treatment tank 5 includes an ozone reaction box, an activated carbon filter box and an overflow box 10 . The ozone reaction box is provided with a first overflow tank 18 towards the side wall of the activated carbon filter box, and the first overflow tank 18 is located above the activated carbon filter box, and the ozone reaction box passes through the The first overflow tank 18 communicates with the activated carbon filter box. The activated carbon filter box and the overflow box 10 are isolated by a separation plate 9, and the bottom of the separation plate 9 is provided with a communication hole so that the bottom of the activated carbon filter box is connected to the bottom of the overflow box 10 Pass. The bottom of the ozone reaction box is provided with a water inlet of the ozone reaction box, and the top of the overflow box is provided with an outlet of the overflow box; the first pump 4 is connected to the water inlet of the ozone reaction box. The bottom of the ozone reaction box is also provided with an ozone aeration device 6, and the ozone aeration device 6 is connected with an ozone bottle through an ozone supply pipe 7. The activated carbon filter box is provided with an activated carbon layer 8 for physical filtration.

The biofiltration tank includes a bioreactor box 12 and a membrane filtration box, and the bioreactor box 12 is provided with multiple microbial carrier layers 13 . The biological reaction box 12 is provided with a second overflow tank 14 towards the side wall of the membrane filtration box, and the second overflow tank 14 is located above the top microbial carrier layer 13, the biological reaction The tank 12 communicates with the membrane filtration tank through the second overflow tank 14 . The bioreactor 12 is provided with an inlet of the bioreactor, and the inlet of the bioreactor is connected to the water outlet of the overflow tank through the second pump 11 . Multiple sets of filter tubes 15 are arranged in the membrane filtration box, and the filter tubes 15 are covered with a filter membrane layer 17, and the multiple sets of filter tubes 15 are connected to a third pump 16 through a confluence tube.

In this embodiment, the ozone aeration device 6 is an aeration head. A drain valve 19 is provided at the bottom of the settling tank 2 . A sewage inlet is provided on the top of the settling tank 2, and a sewage pump 1 is connected to the sewage inlet.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model and not limit it; although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should understand that: still The specific implementation of the utility model can be modified or some technical features can be equivalently replaced; without departing from the spirit of the technical solution of the utility model, all of them should be included in the scope of the technical solution claimed by the utility model.

Claims (4)

1. a kind of microorganism sewage water processing unit, it is characterised in that：It includes that logical precipitation is sequentially connected by multiple drawing liquid pumps Tank, ozone treatment tank and biofiltration tank；

Upper liquid drawing mechanism is provided in the settling tank, the upper liquid drawing mechanism includes hose and setting described heavy The guide groove of the madial wall of shallow lake tank；The hose bottom stretches out the settling tank and is arranged and passes through the first drawing liquid pump and the ozone Process tank is connected, and is fixedly connected with floating ball at the top of the hose, the floating ball lower part offers drawing liquid hole, the floating ball top It is connected with positioning ball by a soft connecting line, the positioning ball is movably arranged in the guide groove；

The ozone treatment tank includes ozone reaction case, activated carbon Rose Box and spill box；The side wall of the ozone reaction case is set It is equipped with the first overflow launder, the ozone reaction case is connected to the activated carbon Rose Box by first overflow launder；The activity The bottom of charcoal Rose Box is connected with the bottom of the spill box；The bottom of the ozone reaction case offers ozone reaction case and enters The mouth of a river, the spill box top offer spill box water outlet；One end of first drawing liquid pump is connected to the ozone reaction On case water inlet, the bottom of the ozone reaction case is additionally provided with ozonation aerated device, and the ozonation aerated device is connected with smelly Oxygen bottle, the active carbon layer for physical filtering is provided in the activated carbon Rose Box, and the active carbon layer is located at described first The lower section of overflow launder；

The biofiltration tank includes biological respinse case and membrane filtration case, and multilayer microorganism load is provided in the biological respinse case Body layer；The side wall of the biological respinse case is provided with the second overflow launder, and second overflow launder is located at micro- life described in top The top of object carrier layer, the biological respinse case are connected to the membrane filtration case by second overflow launder；The biological respinse Case is provided with biological respinse tank inlet, and the biological respinse tank inlet is connected to the spill box water outlet by the second drawing liquid pump； It is provided with multigroup screen pipe in the membrane filtration case, filter membrane layer is covered on the screen pipe, multigroup screen pipe passes through Collecting pipe is communicated with third drawing liquid pump.

2. microorganism sewage water processing unit according to claim 1, it is characterised in that：The ozonation aerated device is aeration Head, air dissolved pump, water sprayer, pipe-line mixer, perforated pipe or filter.

3. microorganism sewage water processing unit according to claim 2, it is characterised in that：The precipitation pot bottom offers row Dirty valve.

4. microorganism sewage water processing unit according to claim 3, it is characterised in that：Dirt is offered at the top of the settling tank Water inlet is communicated with sewage pump on the wastewater inlet.