CN212174728U - Integrated biological fluidized bed treatment and filtration disinfection reuse water equipment - Google Patents

Abstract

The utility model discloses an integrated biological fluidized bed treatment and filtration and disinfection reuse water device, wherein a clapboard is arranged in a box body to divide the box body into an anaerobic zone, a facultative zone, an aerobic zone, a settling zone and a clarification zone in sequence, an equipment zone is arranged behind the clarification zone, and a clear water zone and a plurality of filtering zones are arranged in the clarification zone; the sedimentation zone is internally provided with a central guide cylinder, the aerobic zone water outlet is communicated with the central guide cylinder through a first pipeline, the first pipeline is provided with a chemical feeding port, a chemical feeding device is communicated with the chemical feeding port through a second pipeline, the central guide cylinder is internally provided with a plurality of helical blades, the bottom of the sedimentation zone is provided with a mud collecting groove with a trapezoidal cross section, the bottom of the mud collecting groove is provided with a mud discharge pipe, the bottom end of the central guide cylinder is positioned above the mud collecting groove and close to the mud collecting groove, and the bottom end of the central guide cylinder is also provided with an umbrella-shaped reflecting plate. The utility model discloses well settling zone deposits effectually, and the filtering pressure of filtering area is little, and this equipment integration forms, and area is little.

Description

Integrated biological fluidized bed treatment and filtration disinfection reuse water equipment

Technical Field

The utility model discloses biological sewage treatment field especially relates to a biological fluidized bed of integration handles and filtration and disinfection reuse water equipment.

Background

At present, with the development of society, the problem of water pollution is becoming more and more serious, and meanwhile, the sewage treatment technology is also being continuously improved. The sewage is mainly treated by a physical chemical method and a biological method, and the domestic sewage treatment technology is mainly the biological method at present. In the biological treatment method, the microorganism takes the pollutants in the sewage as the nutrient and oxygen for metabolism under the anaerobic, aerobic and facultative conditions, thereby achieving the purpose of removing and degrading the pollutants. Under the principle, the currently applied methods are the traditional activated sludge method, the AA/O process, the oxidation ditch process, the MBR, the SBR, the biological filter, the constructed wetland, the oxidation pond, the land infiltration process and the like, and the methods have different defects of large occupied area, high investment, high operation cost and the like. Particularly, for rural domestic wastewater, domestic wastewater which is limited by conditions and can not be brought into a city sewer network for centralized treatment, such as railway stations, highway service areas, tourist areas, special towns and the like, the defects of high investment, high operating cost, requirement of professional management, high operation and maintenance cost and the like exist in the conventional process facilities, devices and equipment at present, and the precipitation effect at the precipitation area in the conventional equipment is poor, so that the later-stage filtration pressure is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an integrated biological fluidized bed treatment and filtration and disinfection reuse water equipment.

The utility model discloses an innovation point lies in that the utility model discloses well sedimentation zone department sets up central draft tube for after the medicament is added and under the effect of a plurality of helical blades in central draft tube through self hydraulic condition with good oxygen play water, need not external energy drive and can accomplish the flow and cut apart, radial mixing, reverse rotation, two kinds of media constantly vigorously mix the diffusion, thereby reach the reaction effect that dephosphorization agent and good oxygen play water sewage fully mixed, sewage is the vertical flow from bottom to top in the sedimentation zone; fine particles generated after the mixing reaction in the central guide cylinder move downwards, collide and reflect with the umbrella-shaped reflecting plate after going out from the bottom end, the water flow direction is changed to enable the fine particles to move upwards, the ascending particles and the descending sludge particles are contacted and collided with each other, the particle diameter is gradually increased, the sedimentation speed of sludge is improved, and therefore sludge sedimentation is formed.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that: an integrated biological fluidized bed treatment and filtration disinfection reuse water device comprises a box body, wherein a partition plate is arranged in the box body to sequentially divide the box body into an anaerobic zone, a facultative zone, an aerobic zone, a settling zone and a clarification zone, the anaerobic zone, the facultative zone, the aerobic zone, the settling zone and the clarification zone are sequentially communicated, an equipment zone is arranged behind the clarification zone, a clear water zone and a plurality of filtration zones are arranged in the clarification zone, an aeration fan, a dosing device, a variable frequency water supply pump and an ultraviolet disinfection device are arranged in the equipment zone, an aeration device and an aeration fan are arranged in the facultative zone and the aerobic zone and are communicated, a water outlet pipe is arranged at the clear water zone, and the variable frequency water supply pump and the ultraviolet disinfection device are positioned on the water; the sedimentation zone is internally provided with a central guide cylinder, the aerobic zone water outlet is communicated with the central guide cylinder through a first pipeline, the first pipeline is provided with a chemical feeding port, a chemical feeding device is communicated with the chemical feeding port through a second pipeline, the central guide cylinder is internally provided with a plurality of helical blades, the bottom of the sedimentation zone is provided with a mud collecting groove with a trapezoidal cross section, the bottom of the mud collecting groove is provided with a mud discharge pipe, the bottom end of the central guide cylinder is positioned above the mud collecting groove and close to the mud collecting groove, and the bottom end of the central guide cylinder is also provided with an umbrella-shaped reflecting plate.

Furthermore, a reflux pump is arranged in the settling zone and is communicated with a water inlet pipe at the anaerobic zone through a pipeline.

Furthermore, the filtering area is located in the lower area in the clarification area and comprises a water distribution layer, a coke filtering layer, a quartz sand filtering layer and a water outlet layer from top to bottom, a plurality of filtering heads are arranged at the bottom of the quartz sand filtering layer, a water passing opening and a clear water area are formed in the side wall of the water outlet layer and communicated, and a third pipeline and the water distribution layer of the filtering area are arranged at the water outlet of the sedimentation area and communicated.

Furthermore, a back washing drain pipe is arranged at the water distribution layer, and an electromagnetic valve is arranged on the back washing drain pipe. After the electromagnetic valve is opened, the filtering area can be backwashed under the pressure of the clean water area.

Furthermore, a water collecting weir is arranged at the water outlet of the settling zone, and a plurality of water outlets 5.1 of the settling zone are arranged on the water collecting weir. So that the precipitated water is more uniform.

Furthermore, a metering pump is arranged on the dosing device. The dosage can be adjusted according to the water quality and the water quantity.

Furthermore, the bottom end of the central guide cylinder is a horn mouth. Fine particles generated after the mixing reaction in the central guide cylinder move downwards, are diffused through the bell mouth and then collide and reflect with the umbrella-shaped reflecting plate, the water flow direction is changed to enable the fine particles to move upwards, the fine particles move downwards after being diffused, and the effect is better.

Furthermore, the distance between the horn mouth and the bottom end of the umbrella-shaped reflecting plate is 100-150 mm. The diluted reflection distance is optimal.

The utility model has the advantages that:

1. the utility model discloses in set up central draft tube in settling zone department for after the medicament adds and with good oxygen play under the effect of a plurality of helical blade in central draft tube, form levogyration and dextrorotation shunt state in pairs, have alternately and swirl reverse rotation simultaneously again, need not external energy drive and can accomplish the flow and cut apart, radial mixture, reverse rotation, two kinds of media constantly stir the diffusion, thereby reach the reaction effect that dephosphorization agent and good oxygen play sewage are fully mixed, sewage is vertical flow from bottom to top in the settling zone; fine particles generated after the mixing reaction in the central guide cylinder move downwards, collide and reflect with the umbrella-shaped reflecting plate after going out from the bottom end, the water flow direction is changed to enable the fine particles to move upwards, the ascending particles and the descending sludge particles are contacted and collided with each other, the particle diameter is gradually increased, the sedimentation speed of sludge is improved, and therefore sludge sedimentation is formed.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic diagram of the structure of the precipitation zone;

FIG. 4 is a schematic diagram of the clarification zone.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Example 1: the utility model provides a biological fluidized bed of integration handles and filtration disinfection reuse water equipment, including box 1, be equipped with the baffle in the box 1 and separate the box for anaerobic zone 2 in proper order, oxygen district 3 concurrently, good oxygen district 4, settling zone 5, settling zone 6, anaerobic zone 2, oxygen district 3 concurrently, good oxygen district 4, settling zone 5, settling zone 6 communicates in proper order, be provided with equipment district 7 behind settling zone 6, be equipped with a plurality of filtering area 8 and clear water district 9 in the settling zone 6, be equipped with aeration fan 10 in the equipment district 7, charge device 26, frequency conversion water feed pump 12, ultraviolet ray disinfection device 27, be equipped with the measuring pump on the charge device 26. An aeration device 25 and an aeration fan 10 are arranged in the facultative zone 3 and the aerobic zone 4 to be communicated, a water outlet pipe 11 is arranged at the clear water zone 9, and a variable frequency water supply pump 12 and an ultraviolet disinfection device 27 are positioned on the water outlet pipe 11; be equipped with central draft tube 13 in the sedimentation zone 5, the aerobic zone delivery port is through pipeline 14 and central draft tube 13 intercommunication, be equipped with medicine feed port 15 on the pipeline 14, charge device 11 is through pipeline 16 and medicine feed port 15 intercommunication No. two, be equipped with helical blade 17 in the central draft tube 13, sedimentation zone 5 bottom is equipped with the cross-section and is trapezoidal album mud groove 18, album mud groove 18 bottom is equipped with mud pipe 19, central draft tube 13 bottom is located album mud groove 18 top and nearly album mud groove 18 department, central draft tube 13 bottom still is equipped with umbrella-shaped reflecting plate 28, central draft tube 13 bottom is horn mouth 29, the interval of horn mouth 29 and umbrella-shaped reflecting plate 28 bottom is 100 and gives other drugs 150 mm. A reflux pump 20 is arranged in the sedimentation zone 5, and the reflux pump 20 is communicated with a water inlet pipe 21 at the anaerobic zone 2 through a pipeline. The filtering area 8 is positioned in the lower part area in the clarifying area 6, the filtering area 8 comprises a water distribution layer 8.1, a coke filtering layer 8.2, a quartz sand filtering layer 8.3 and a water outlet layer 8.4 from top to bottom, the bottom 8.3 of the quartz sand filtering layer is provided with a plurality of filtering heads 8.5, the side wall of the water outlet layer 8.4 is provided with a water passing opening 8.6 communicated with a clean water area 9, the water outlet 5.1 of the settling area is provided with a water collecting weir 24, the water collecting weir 24 is provided with a plurality of water outlets 5.1 of the settling area, the water outlet 5.1 of the settling area is provided with a third pipeline 22 communicated with the water distribution layer 8.1 of the filtering area 8, the water distribution layer 8.1 is provided with a back flushing drain pipe 23.

During reaction, sewage enters the facultative zone 3 and then enters the aerobic zone 4 after reacting in the anaerobic zone 2, aerobic effluent enters the central guide cylinder 13 of the settling zone 5 after being mixed with a phosphorus removal medicament through the first pipeline 14, the central guide cylinder 13 enables the phosphorus removal medicament to be added and forms a left-handed and right-handed paired flow distribution state under the action of a plurality of helical blades 17 in the central guide cylinder 13 together with the aerobic effluent, and meanwhile, the two media are crossed and vortex counter-rotated, flow division, radial mixing and counter-rotation can be completed without being driven by external energy, and the two media are continuously and violently mixed and diffused, so that the reaction effect of fully mixing the phosphorus removal medicament and the aerobic effluent sewage is achieved, and the sewage in the settling zone vertically flows from bottom to top; fine particles generated after the mixing reaction in the central guide cylinder 13 move downwards, are diffused through the bell mouth 29 and then collide and reflect with the umbrella-shaped reflecting plate 28, the water flow direction is changed to enable the fine particles to move upwards, the ascending particles and the descending sludge particles are contacted and collided with each other, the particle diameter is gradually increased, the sedimentation speed of the sludge is improved, sludge sedimentation is formed, the precipitated sludge is discharged from the sludge discharge pipe 19 in the sludge collection groove 18, the effluent in the sedimentation zone 5 enters the filtering zone 8 from the water outlet 5.1 of the sedimentation zone through the water collection weir 24 for filtering, the filtered clear water enters the clear water zone 9 from the water outlet 8.6, the clear water in the clear water zone 9 is discharged from the water outlet pipe 11, the recycling water amount is adjusted through the variable frequency water supply pump 12, and the recycling water is sterilized through the ultraviolet sterilizing device 27.

The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims (8)

1. An integrated biological fluidized bed treatment and filtration disinfection reuse water device is characterized by comprising a box body, wherein a partition plate is arranged in the box body to divide the box body into an anaerobic zone, a facultative zone, an aerobic zone, a sedimentation zone and a clarification zone in sequence; the sedimentation zone is internally provided with a central guide cylinder, the aerobic zone water outlet is communicated with the central guide cylinder through a first pipeline, the first pipeline is provided with a chemical feeding port, a chemical feeding device is communicated with the chemical feeding port through a second pipeline, the central guide cylinder is internally provided with a plurality of helical blades, the bottom of the sedimentation zone is provided with a mud collecting groove with a trapezoidal cross section, the bottom of the mud collecting groove is provided with a mud discharge pipe, the bottom end of the central guide cylinder is positioned above the mud collecting groove and close to the mud collecting groove, and the bottom end of the central guide cylinder is also provided with an umbrella-shaped reflecting plate.

2. The integrated biological fluidized bed treatment and filtration disinfection reuse water apparatus of claim 1, wherein a reflux pump is provided in the settling zone, and the reflux pump is communicated with the water inlet pipe at the anaerobic zone through a pipeline.

3. The integrated biological fluidized bed treatment, filtration and disinfection reuse water equipment as claimed in claim 1, wherein said filtration zone is located in the lower region of the clarification zone, the filtration zone comprises a water distribution layer, a coke filtration layer, a quartz sand filtration layer and a water outlet layer from top to bottom, the bottom of the quartz sand filtration layer is provided with a plurality of filter heads, the side wall of the water outlet layer is provided with a water inlet communicated with the clean water zone, and the water outlet of the sedimentation zone is provided with a third pipeline communicated with the water distribution layer of the filtration zone.

4. The integrated biological fluidized bed treatment and filtration disinfection reuse water apparatus as claimed in claim 3, wherein a back flush drain is disposed at said water distribution layer, and an electromagnetic valve is disposed on said back flush drain.

5. The integrated biological fluidized bed treatment and filtration disinfection reuse water apparatus as claimed in claim 1, wherein said settling zone water outlet is provided with a water collection weir, and said water collection weir is provided with a plurality of settling zone water outlets (5.1).

6. The integrated biological fluidized bed treatment and filtration sterilization reuse water apparatus according to claim 1, wherein a metering pump is provided on said dosing device.

7. The integrated biological fluidized bed treatment and filtration sterilization reuse water apparatus according to claim 1, wherein a bottom end of said central guide cylinder is flared.

8. The integrated biological fluidized bed treatment and filtration sterilization reuse water apparatus as claimed in claim 7, wherein the distance between the bell mouth and the bottom end of the umbrella-shaped reflection plate is 100-150 mm.

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