CN207845454U - Multistage filtering microorganism sewage water processing unit - Google Patents

Abstract

The utility model provides a multi-stage filtration microbial sewage treatment device, which includes a floating filter, an ozone treatment tank and a biological filter tank connected in sequence through a liquid pump; the floating filter includes an outer cylinder and is arranged on the The inner tank cylinder inside the outer cylinder, the titanium dioxide fiber mesh layer and the ultraviolet lamp are arranged in the inner tank cylinder, and the ozone treatment tank includes an ozone reaction box, an activated carbon filter box and an overflow tank; the ozone reaction box The bottom is also provided with an ozone aeration device, and an activated carbon layer for physical filtration is arranged in the activated carbon filter box; the biological filter tank includes a biological reaction box and a membrane filter box, and a plurality of microbial carriers are arranged in the biological reaction box layer; 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

Multi-stage filtration microbial sewage treatment device

technical field

The utility model relates to a sewage treatment device, in particular to a multi-stage filtration microbial sewage treatment device.

Background technique

Titanium dioxide is a semiconductor material that can convert light energy to chemical energy. Titanium dioxide has stable chemical properties, high efficiency, non-toxicity, low cost, wide application range and no secondary pollution. Its photocatalytic oxidation can be used in a short time It oxidizes and decomposes refractory toxic organic pollutants into titanium dioxide and water, and oxidizes or reduces toxic and harmful pollutants to harmless substances. Although titanium dioxide has the above advantages, it also has certain limitations. In fact, for some organic substances, it is difficult to completely degrade them only by using titanium dioxide. At this time, using titanium dioxide alone to treat water is not the best method. 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 multi-stage filtration 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 multi-stage filter microbial sewage treatment device, which includes a floating filter, an ozone treatment tank and a biological filter tank connected in sequence through a plurality of liquid pumps;

The floating filter includes an outer cylinder body and an inner cylinder body arranged inside the outer cylinder body, a buoyancy tank is fixed on the outer side wall of the outer cylinder body; Ultraviolet lamp, the inner tank cylinder is provided with multiple layers of fiber mesh, and the fiber mesh layer on the top layer is coated with a titanium dioxide coating;

The mold cavity between the outer cylinder and the inner tank cylinder is divided into a water inlet chamber and a water outlet chamber through two partitions, the upper part of the side wall of the water inlet chamber is provided with a sewage inlet, and the water inlet chamber The inner tank cylinder is communicated with the first liquid suction pump, and the water outlet of the first liquid suction pump is located below the bottommost fiber mesh layer; the inner container above the topmost fiber mesh layer A first overflow hole is opened on the side wall of the cylinder, and the inner tank cylinder communicates with the water outlet chamber through the first overflow hole; a pretreatment water outlet is opened at the bottom of the water outlet chamber, and the pretreatment The water outlet communicates with the ozone treatment tank through the second pump;

The ozone treatment tank includes an ozone reaction box, an activated carbon filter box and an overflow box; the ozone reaction box is provided with a first overflow tank towards the side wall above the activated carbon filter box, and the ozone reaction box passes through the The first overflow tank 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; The bottom of the ozone reaction box is also provided with an ozone aeration device, the ozone aeration device is connected with an ozone bottle, and the activated carbon filter box is provided with an activated carbon layer for physical filtration, and the activated carbon layer is located in the first overflow below the groove;

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 bioreactor box is provided with a second overflow tank towards the side wall of the membrane filtration box , and the second overflow tank is located above the top microbial carrier layer, and the bioreactor tank communicates with the membrane filtration tank through the second overflow tank;

The bottom of the bioreactor box is provided with a bioreactor inlet; the inlet of the bioreactor is connected to the outlet of the overflow box through a third pump; the membrane filter box is provided with multiple sets of filter tubes, and the filter The tubes are covered with a filter membrane layer, and multiple groups of the filter tubes are connected to a fourth pump through a confluence tube.

Based on the above, the top of the outer cylinder is provided with a rainproof cover, and an equipment fixing room is formed between the rainproof cover and the top of the outer cylinder, and the first liquid suction pump and the first suction pump are arranged in the equipment fixing room. mobile power.

Based on the above, a heating wire is also arranged in the water outlet chamber.

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.

Compared with the prior art, the utility model has substantive characteristics and progress. Specifically, the multi-stage filtration microbial sewage treatment device provided by the utility model first adopts multi-layer fiber mesh layers to filter out large particles in the sewage, and then passes through The oxidation and reduction of titanium dioxide irradiated by ultraviolet light can kill the bacteria and viruses in the sewage, and degrade the organic matter initially, and then use ozone to oxidize the organic matter to improve the biodegradability of organic pollutants, and finally combine with the biological filter area for treatment to make full use of The oxygen generated by the decomposition of ozone 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 is simple in structure and convenient to use.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the multi-stage filtration microbial sewage treatment device provided by the utility model.

Fig. 2 is a structural schematic diagram of the floating filter in the multi-stage filtration microbial sewage treatment device provided by the utility model.

Fig. 3 is a structural schematic diagram of the filter tube in the multi-stage filtration microbial sewage treatment device provided by the utility model.

In the figure: 1. Floating filter; 2. Floating tank; 3. The first liquid suction pump; 4. The second liquid suction pump; 5. Ozone treatment tank; 6. Ozone aeration device; 7. Ozone air supply pipe; 8 , activated carbon filter box; 9, isolation plate; 10, overflow box; 11, the third liquid pump; 12, biological reaction box; 13, microbial carrier layer; 14, the second overflow tank; 15, filter tube; 16 , the fourth suction pump; 17, water inlet chamber; 18, inner tank cylinder; 19, water outlet chamber; 20, heating wire; 21, mobile power supply; 22, ultraviolet lamp; 23, sewage inlet; 24, fiber mesh layer ; 25, filter membrane layer; 26, the first overflow tank.

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 and Fig. 3, the present embodiment provides a kind of multi-stage filtration microbial sewage treatment device, it comprises the floating filter 1 that is connected successively by a plurality of suction pumps, ozone treatment tank 5 and biological canister.

The floating filter 1 includes an outer cylinder body and an inner tank cylinder 18 arranged inside the outer cylinder body, and a buoyancy tank 2 is fixed on the outer side wall of the outer cylinder body; The top is provided with an ultraviolet lamp 22 . Multiple layers of fiber mesh layers 24 are arranged inside the inner tank cylinder 18, and the fiber mesh layer 24 on the topmost layer is coated with a titanium dioxide coating.

The mold cavity between the outer cylinder body and the inner tank cylinder body 18 is divided into a water inlet chamber 17 and a water outlet chamber 19 through two partitions, the upper part of the side wall of the water inlet chamber 17 is provided with a sewage inlet 23, The water inlet chamber 17 communicates with the inner tank cylinder through the first liquid suction pump 3 , and the water outlet of the first liquid suction pump 3 is located below the bottommost fiber mesh layer 24 . A first overflow hole is opened on the side wall of the inner tank cylinder 18 above the fiber mesh layer 24 on the topmost layer, and the inner tank cylinder 18 communicates with the water outlet chamber 19 through the first overflow hole. . The bottom of the outlet chamber 19 is provided with a pre-treated water outlet, and the pre-treated water outlet is connected to the ozone treatment tank 5 through the second liquid suction pump 4 .

The ozone treatment tank includes an ozone reaction box, an activated carbon filter box 8 and an overflow box 10 . The ozone reaction box is provided with a first overflow tank 26 towards the side wall of the activated carbon filter box 8, and the first overflow tank 26 is positioned at the upper end of the activated carbon filter box 8, and the ozone reaction box passes through The first overflow tank 26 communicates with the activated carbon filter box 8 .

The activated carbon filter box 8 communicates with the bottom of the overflow box 10 , and the activated carbon filter box 8 and the overflow box 10 are separated by a separation plate 9 . The bottom of the isolation plate 9 is provided with communication holes. 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; 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 gas supply pipe 7, and an activated carbon layer for physical filtration is arranged in the activated carbon filter box 8. The activated carbon layer is located below the first overflow tank 26 .

The biofiltration tank includes a bioreactor box 12 and a membrane filtration box. The bioreactor 12 is provided with a multi-layer microbial carrier layer 13; the bioreactor 12 is provided with a second overflow tank 14 towards the side wall of the membrane filtration tank, and the second overflow tank 14 Located above the microbial carrier layer 13 , the bioreactor box 12 communicates with the membrane filtration box through the second overflow tank 14 .

The bottom of the bioreactor 12 is provided with an inlet of the bioreactor; the inlet of the bioreactor is connected to the water outlet of the overflow tank through the third 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 25 , and multiple sets of the filter tubes 15 are connected to a fourth pump 16 through a confluence tube.

Wherein, in this embodiment, the top of the outer cylinder is provided with a rainproof cover, and an equipment fixing room is formed between the rainproof cover and the top of the outer cylinder, and the first equipment fixing room is provided in the equipment fixing room. Suction pump 3 and mobile power supply 21. The water outlet chamber 19 is also provided with a heating wire 20 . The ozone aeration device is an aeration head.

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 multistage filtering microorganism sewage water processing unit, it is characterised in that：It includes being sequentially connected by multiple drawing liquid pumps Logical floating filter device, ozone treatment tank and biofiltration tank；

The floating filter device includes outer barrel and the liner cylinder that is arranged inside the outer barrel, the outside of the outer barrel Buoyancy tank is fixed on side wall；The inside top of the liner cylinder is provided with ultraviolet radiator, is provided in the internal container cylinder body more Layer fiber web layer, the fiber web layer for being located at top are coated with coating of titanium dioxide；

Cavity between the outer barrel and the liner cylinder is divided into intake chamber and water-supplying chamber, the water inlet by two partition boards The side wall upper part of room offers wastewater inlet, and the intake chamber is connected to the liner cylinder by the first drawing liquid pump, and described the The water outlet of one drawing liquid pump is located at the lower section of fiber web layer described in the bottom；Described in above fiber web layer described in top The first spout hole is offered on liner cylinder lateral wall, the liner cylinder is connected to the water-supplying chamber by first spout hole； The bottom of the water-supplying chamber offers pretreated water outlet, and the pretreated water outlet is connected to the ozone by the second drawing liquid pump Process tank；

The ozone treatment tank includes ozone reaction case, activated carbon Rose Box and spill box；On the side wall of the ozone reaction case Side is provided with the first overflow launder, and the ozone reaction case is connected to the activated carbon Rose Box by first overflow launder；

The bottom of the activated carbon Rose Box is connected with the bottom of the spill box；The bottom of the ozone reaction case offers Ozone reaction case water inlet, the spill box top offer spill box water outlet；The bottom of the ozone reaction case is also set up There are ozonation aerated device, the ozonation aerated device to be connected with ozone bottle, be provided with for physics in the activated carbon Rose Box The active carbon layer of filtering, the active carbon layer are located at the lower section of first 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；

Biological respinse bottom portion is provided with biological respinse tank inlet；The biological respinse tank inlet is connected by third drawing liquid pump Lead to the spill box water outlet；It is provided with multigroup screen pipe in the membrane filtration case, filter membrane layer is covered on the screen pipe, Multigroup screen pipe is communicated with the 4th drawing liquid pump by collecting pipe.

2. multistage filtering microorganism sewage water processing unit according to claim 1, it is characterised in that：The top of the outer barrel Portion is provided with rain cover, and equipment fixed chamber, the equipment fixed chamber are formed between the rain cover and the top of the outer barrel It is interior that first drawing liquid pump and mobile power are set.

3. multistage filtering microorganism sewage water processing unit according to claim 2, it is characterised in that：In the water-supplying chamber also It is provided with heating wire.

4. multistage filtering microorganism sewage water processing unit according to claim 3, it is characterised in that：The ozonation aerated dress It is set to aeration head, air dissolved pump, water sprayer, pipe-line mixer, perforated pipe or filter.