CN218969020U

CN218969020U - Urban sewage biological treatment system

Info

Publication number: CN218969020U
Application number: CN202222681059.4U
Authority: CN
Inventors: 崔全喜; 申桐; 司斌; 马亚平; 王擎达; 王淑慧; 于然; 李静豪; 钟艳; 张艳芳; 王梓颖
Original assignee: Henan Jianding Engineering Management Co ltd; Henan Urban And Rural Planning And Design Research Institute Co ltd
Current assignee: Henan Jianding Engineering Management Co ltd; Henan Urban And Rural Planning And Design Research Institute Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-05-05
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to the technical field of sewage treatment and discloses an urban sewage biological treatment system which comprises a sedimentation tank, a biological filter tank, a sterilization tank, a sand washer and a collection bin, wherein the upper end of the left side of the sedimentation tank is provided with a water inlet pipe, the lower end of the right side of the sedimentation tank is connected with a water pumping pipe, the water pumping pipe is provided with a water pump, the tail end of the water pumping pipe is communicated with the biological filter tank, the water outlet of the biological filter tank is connected with a connecting pipe, the tail end of the connecting pipe is communicated with the sterilization tank, the bottom of the sedimentation tank is connected with a discharge pipe, and the tail end of the discharge pipe is communicated with the sand washer. And (3) opening a control valve at the bottom of the sedimentation tank, and enabling sediment in the sedimentation tank to flow into the sand washer through a discharge pipe to wash sand, conveying the washed fine sand to the inside of a collection bin for storage through a spiral material conveyer, so that the collection of the fine sand in sewage can be realized, the recycling of resources is realized, and the sediment is prevented from being directly discharged to cause resource waste.

Description

Urban sewage biological treatment system

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a biological treatment system for urban sewage.

Background

The biological sewage treatment can be applied to sewage treatment of various types such as petroleum, petrochemical industry, chemical industry, metallurgy, machinery, leather, coal gasification, food, brewing, daily chemical industry, printing and dyeing, pharmacy, papermaking, urban sewage and the like and sewage treatment of large-area water areas such as rivers and lakes. The solid matters generated by the sewage treated by the biological compound preparation can be used as biological fertilizers and biological feeds in most cases, thereby effectively avoiding secondary pollution and really changing waste into valuables.

The existing biological sewage treatment system is imperfect, and is discharged among the sediment treatment processes generated by sewage filtration, so that sand and stone resource waste is caused.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a biological treatment system for urban sewage.

(II) technical scheme

In order to solve the problems, the utility model provides the following technical scheme: the utility model provides a municipal sewage biological treatment system, includes sedimentation tank, biological filtration case, disinfects jar, sand washer and collection storehouse, the left upper end of sedimentation tank is provided with the inlet tube, the lower extreme on sedimentation tank right side is connected with the drinking-water pipe, be provided with the water pump on the drinking-water pipe, the end and the biological filtration case of drinking-water pipe are linked together, the delivery port of biological filtration case is connected with the connecting pipe, the end and the jar that disinfects of connecting pipe are linked together, the bottom of sedimentation tank is connected with the discharging pipe, the end and the sand washer of discharging pipe are linked together, the collection storehouse is located the below of sand washer discharge gate.

Preferably, the lower extreme of sedimentation tank is the funnel form, is convenient for deposit the collection to the silt in the sewage, the inside upper end of sedimentation tank is provided with the grille well, the end of inlet tube is located the inside of grille well.

Preferably, the biological filtration case is including bleeder vent, water inlet, active carbon layer, active filter material, porous baffle and aeration machine, the bleeder vent runs through in the upper surface of biological filtration case, the even distribution of bleeder vent is in the top of biological filtration case, the end and the water inlet of drinking-water pipe are linked together, active carbon layer, active filter material, porous baffle, aeration machine are through setting gradually from top to bottom in the inside of biological filtration case, the active carbon layer is provided with two-layer, remains 10cm interval between the two-layer active carbon layer, the aeration machine is located the inside bottom of biological filtration case.

Preferably, the active filter material is arranged above the porous partition board, and the active filter material is specifically a biological ceramic filter material.

Preferably, a temperature controller is arranged on the surface of the sterilization tank, a heating pipe is arranged in the sterilization tank, and a water outlet is arranged at the lower end of the right side of the sterilization tank.

Preferably, the upper end of the left side of the sand washer is provided with an overflow port, the right side of the sand washer is provided with a spiral conveyer, and the collecting bin is positioned below the discharge port of the spiral conveyer.

(III) beneficial effects

Compared with the prior art, the utility model provides the urban sewage biological treatment system, which has the following beneficial effects:

1. this municipal sewage biological treatment system opens sedimentation tank bottom control valve, and the inside silt of sedimentation tank flows into the inside of sand washer through the discharging pipe and washes sand and handle, and the sewage that the sand washing produced flows out through the overflow mouth, can filter by the secondary, carries the fine sand of accomplishing to collecting the storehouse inside through spiral conveyer and stores, can realize the collection of fine sand in the sewage, realizes the recycling of resource, avoids silt direct discharge, causes the wasting of resources.

2. This municipal sewage biological treatment system, the active carbon layer is provided with two-layer, remains 10cm interval between the two-layer active carbon layer, has improved the adsorption treatment to sewage greatly and has got rid of the peculiar smell in the sewage, the aerator is located the inside bottom of biological filter box, opens the aerator, constantly for the decomposition of microorganism in the promotion sewage of active filter material oxygen suppliment.

3. The urban sewage biological treatment system has the advantages of high mechanical strength, abrasion resistance, high porosity, large specific surface area and strong adsorption capacity, and the active filter material is specifically a biological ceramic filter material. The chemical and service life is long, the particles are uniform, the density is proper, and the hardening is not easy; the cutting capability is strong, and the film is hung, thereby being beneficial to the growth and propagation of microorganisms; can effectively remove organic matters, suspended matters, nitrogen, phosphorus and the like in water. The ceramic filter material can be used for deep purification of water treatment of domestic water, industrial water supply, urban sewage and the like.

Drawings

FIG. 1 is a schematic diagram of a biological municipal wastewater treatment system according to the utility model;

FIG. 2 is a schematic structural view of a sedimentation tank according to the present utility model;

FIG. 3 is a schematic diagram of the structure of the biological filter box of the present utility model;

fig. 4 is a schematic structural view of the sterilization tank of the present utility model.

In the figure: 1 a sedimentation tank, 11 water inlet pipes and 12 grid wells;

2 a biological filter box, 21 air holes, 22 water inlets, 23 active carbon layers, 24 active filter materials, 25 porous partition plates and 26 aeration machines;

3, a sterilizing tank, a 31 temperature controller, a 32 water outlet and a 33 heating pipe;

4, a sand washer, a 41 overflow port and a 42 spiral conveyor;

the collecting bin 5, the discharging pipe 6, the water pumping pipe 7, the water pump 8 and the connecting pipe 9.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a new technical solution: the utility model provides a municipal sewage biological treatment system, includes sedimentation tank 1, biological filtration case 2, disinfects jar 3, sand washer 4 and collection storehouse 5, the left upper end of sedimentation tank 1 is provided with inlet tube 11, the lower extreme on sedimentation tank 1 right side is connected with drinking-water pipe 7, be provided with water pump 8 on the drinking-water pipe 7, the end and the biological filtration case 2 of drinking-water pipe 7 are linked together, the delivery port of biological filtration case 2 is connected with connecting pipe 9, the end and the disinfect jar 3 of connecting pipe 9 are linked together, the bottom of sedimentation tank 1 is connected with discharging pipe 6, the end and the sand washer 4 of discharging pipe 6 are linked together, collection storehouse 5 is located the below of sand washer 4 discharge gate.

In this embodiment, the lower end of the sedimentation tank 1 is funnel-shaped, so as to be convenient for sedimentation and collection of sediment in sewage, the upper end inside the sedimentation tank 1 is provided with a grid well 12, and the tail end of the water inlet pipe 11 is positioned inside the grid well 12; in the concrete implementation process, sewage is conveyed to the inside of the sedimentation tank 1 through the water inlet pipe 11, impurities in the sewage are filtered through the grid well 12 at first, the inside of the grid well 12 is cleaned regularly, the phenomenon of blockage caused by long-term use is avoided, the filtered sewage is precipitated in the inside of the sedimentation tank 1, sediment is precipitated at the bottom of the sedimentation tank 1, a water outlet is formed in the right side of the sedimentation tank 1, and the precipitated sewage flows out through the water pumping pipe 7 and is filtered in the next step.

In this embodiment, the biological filtration tank 2 includes bleeder vent 21, water inlet 22, active carbon layer 23, active filter material 24, porous baffle 25 and aerator 26, bleeder vent 21 runs through in the upper surface of biological filtration tank 2, bleeder vent 21 even distribution has ventilative waterproof film in the top of biological filtration tank 2, and the upper surface bonding of biological filtration tank 2, can ventilate ventilatively through ventilative waterproof film, can also avoid the inside sewage of box to spill over, the end and the water inlet 22 of drinking-water pipe 7 are linked together, active carbon layer 23, active filter material 24, porous baffle 25, aerator 26 set gradually from top to bottom in the inside of biological filtration tank 2, active carbon layer 23 is provided with two-layer, remains 10cm interval between the two-layer active carbon layer 23, has improved the adsorption treatment to sewage greatly and has got rid of the peculiar smell in the sewage, aerator 26 is located the inside bottom of biological filtration tank 2, opens aerator 26, constantly for the decomposition of microorganism in the promotion sewage of the oxygen suppliment of active filter material 24.

In this embodiment, the active filter material 24 is disposed above the porous partition plate 25, and the active filter material 24 is specifically a bio-ceramic filter material, which has high mechanical strength, abrasion resistance, high porosity, and large specific surface area and strong adsorption capacity. The chemical and service life is long, the particles are uniform, the density is proper, and the hardening is not easy; the cutting capability is strong, and the film is hung, thereby being beneficial to the growth and propagation of microorganisms; can effectively remove organic matters, suspended matters, nitrogen, phosphorus and the like in water. The ceramic filter material can be used for deep purification of water treatment of domestic water, industrial water supply, urban sewage and the like.

In this embodiment, the surface of the sterilization tank 3 is provided with the temperature controller 31, the interior of the sterilization tank 3 is provided with the heating pipe 33, the lower end on the right side of the sterilization tank 3 is provided with the water outlet 32, and in a specific implementation process, the heating pipe 33 is controlled by the temperature controller 31 to heat and disinfect the interior of the sterilization tank 3, so that bacteria and the like in sewage can be effectively treated, and the sewage can reach the discharge standard.

In this embodiment, an overflow port 41 is provided at the upper end of the left side of the sand washer 4, a screw conveyor 42 is provided at the right side of the sand washer 4, and the collection bin 5 is located below the discharge port of the screw conveyor 42; in the concrete implementation process, the control valve at the bottom of the sedimentation tank 1 is opened, sediment in the sedimentation tank 1 flows into the sand washer 4 through the discharge pipe 6 to be washed, sewage generated by sand washing flows out through the overflow port 41, can be filtered for the second time, and the washed fine sand is conveyed to the inside of the collection bin 5 for storage through the spiral conveyor 42, so that the collection of the fine sand in the sewage can be realized, the recycling of resources is realized, and the direct discharge of the sediment is avoided, so that the resource waste is caused.

Working principle: in the use process of the urban sewage biological treatment system, firstly, sewage is conveyed into a sedimentation tank 1 through a water inlet pipe 11, sundries in the sewage are filtered through a grid well 12, the interior of the grid well 12 is cleaned regularly, the phenomenon of blockage caused by long-term use is avoided, the filtered sewage is precipitated in the sedimentation tank 1, sediment is precipitated at the bottom of the sedimentation tank 1, a water outlet is arranged on the right side of the sedimentation tank 1, the water outlet is connected with a water suction pipe 7, a water pump 8 is started, the precipitated sewage is conveyed into a biological filter tank 2 through the water suction pipe 7 for biological filtration treatment, the sewage sequentially passes through an active carbon layer 23, an active filter material 24 and a porous partition plate 25 in the biological filter tank 2, the sewage is adsorbed and treated through two layers of active carbon layers 23, and the peculiar smell in the sewage is removed, the aerator 26 is opened, oxygen is continuously supplied to the active filter material 24 to promote the decomposition of microorganisms in the sewage, the treated sewage is conveyed to the inside of the sterilizing tank 3 through the connecting pipe 9 to be subjected to high-temperature sterilization treatment, the heating pipe 33 is controlled by the temperature controller 31 to heat and sterilize the inside of the sterilizing tank 3, bacteria and the like in the sewage can be effectively treated, the sewage reaches the discharge standard, the bottom control valve of the sedimentation tank 1 is opened, sediment in the sedimentation tank 1 flows into the sand washer 4 through the discharge pipe 6 to be subjected to sand washing treatment, sewage generated by sand washing flows out through the overflow port 41, the sewage can be filtered for the second time, the washed fine sand is conveyed to the inside of the collecting bin 5 through the spiral conveyer 42 to be stored, the collection of the fine sand in the sewage can be realized, and the recycling of resources is realized.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a municipal sewage biological treatment system, includes sedimentation tank (1), biological filter case (2), disinfects jar (3), sand washer (4) and collection storehouse (5), its characterized in that: the utility model discloses a sedimentation tank, including sedimentation tank (1), sand washer (4), collection bin (5), sedimentation tank (1) left upper end is provided with inlet tube (11), the lower extreme on sedimentation tank (1) right side is connected with drinking-water pipe (7), be provided with water pump (8) on drinking-water pipe (7), the end of drinking-water pipe (7) is linked together with biological filter tank (2), the delivery port of biological filter tank (2) is connected with connecting pipe (9), the end of connecting pipe (9) is linked together with sterilization tank (3), the bottom of sedimentation tank (1) is connected with discharging pipe (6), the end of discharging pipe (6) is linked together with sand washer (4), collection bin (5) are located the below of sand washer (4) discharge gate.

2. The municipal sewage biological treatment system according to claim 1, wherein: the lower extreme of sedimentation tank (1) is the funnel form, is convenient for deposit the collection to the silt in the sewage, the inside upper end of sedimentation tank (1) is provided with grid well (12), the end of inlet tube (11) is located the inside of grid well (12).

3. The municipal sewage biological treatment system according to claim 1, wherein: the biological filter box (2) comprises an air vent (21), a water inlet (22), an active carbon layer (23), an active filter material (24), a porous partition plate (25) and an aerator (26), wherein the air vent (21) penetrates through the upper surface of the biological filter box (2), the air vent (21) is uniformly distributed above the biological filter box (2), the tail end of the water suction pipe (7) is communicated with the water inlet (22), the active carbon layer (23), the active filter material (24), the porous partition plate (25) and the aerator (26) are sequentially arranged inside the biological filter box (2) from top to bottom, the active carbon layer (23) is provided with two layers, a 10cm interval is reserved between the two layers of active carbon layers (23), and the aerator (26) is located at the bottom inside the biological filter box (2).

4. A municipal sewage biological treatment system according to claim 3, wherein: the active filter material (24) is arranged above the porous partition plate (25), and the active filter material (24) is specifically a biological ceramic filter material.

5. The municipal sewage biological treatment system according to claim 1, wherein: the surface of the sterilization tank (3) is provided with a temperature controller (31), a heating pipe (33) is arranged in the sterilization tank (3), and a water outlet (32) is arranged at the lower end of the right side of the sterilization tank (3).

6. The municipal sewage biological treatment system according to claim 1, wherein: the upper end of the left side of the sand washer (4) is provided with an overflow port (41), the right side of the sand washer (4) is provided with a spiral conveyer (42), and the collecting bin (5) is positioned below a discharge port of the spiral conveyer (42).