CN212451065U

CN212451065U - Combined integrated sewage advanced treatment device

Info

Publication number: CN212451065U
Application number: CN202020811617.2U
Authority: CN
Inventors: 钱进; 陈诚; 王�忠; 王旭东; 徐敏
Original assignee: Jiangsu Shunwei Environmental Engineering Co ltd
Current assignee: Jiangsu Shunwei Environmental Engineering Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-02
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a combined type integrated sewage advanced treatment device, a baffle is arranged in a reaction tank body to separate the reaction tank body into four areas, the end part of a biological rotating shaft, which is far away from a filtering area, is provided with a transmission chain wheel, the end part of the biological rotating shaft, which is positioned in the filtering area, is provided with a transmission chain wheel, a driving chain wheel is arranged on an output shaft of a driving motor, the driving chain wheel and the transmission chain wheel are connected through an annular chain, two limiting plates are arranged on the biological rotating shaft, a threaded hole is arranged on the transmission chain wheel, a threaded hole is arranged on the biological rotating shaft, and the threaded hole are screwed through bolts; and a fiber rotary disc filter is arranged in the two filtering areas, one end of the hollow rotating shaft is provided with a third transmission chain wheel, and the third transmission chain wheel is connected with the second transmission chain wheel through a second annular chain. The utility model discloses well rotating biological disk and fibre carousel filter can be equipped with one and use the operation when overhauing, have guaranteed the continuity of handling.

Description

Combined integrated sewage advanced treatment device

Technical Field

The utility model relates to a sewage treatment field especially relates to a modular integration sewage advanced treatment unit.

Background

The biological rotating disc method for treating sewage/wastewater has been used for over 50 years, is a technology for treating wastewater by a biological membrane method, is developed on the basis of a biological filter, and is widely applied to treatment of various domestic sewage and industrial wastewater.

The biological rotating disc consists of a series of discs installed on a horizontal rotating shaft, wastewater enters an oxidation tank at a certain flow rate, the disc parts are immersed in water, and when the discs rotate in the tank at a low linear velocity, microorganisms adsorbed on the discs are alternately contacted with organic matters in the wastewater and oxygen in the air to perform facultative anaerobic and aerobic digestion, so that the organic matters and certain ions in the wastewater are degraded, and the aim of purifying the wastewater is fulfilled.

The factors influencing the wastewater treatment of the biological rotating disc comprise disc materials, rotating speed, hydraulic retention time, organic load, hydraulic load, rotating disc series, temperature, disc immersion area and the like, wherein the total amount of organisms on the disc, the firmness of biological adhesion and whether the dissolved oxygen in water is sufficient are key factors, and the performance of the biological rotating disc directly determines the decontamination effect of the rotating disc. The rotating biological disk is easy to harden and block after long-term cleaning, and the rotating biological disk in the prior art needs to be stopped for cleaning, and more impurities exist after the rotating biological disk is treated, and the impurities cannot be directly discharged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modular integration sewage advanced treatment unit.

The utility model discloses an innovation point lies in the utility model discloses well twin biological carousel and the combined use of two fibre carousel filters practices thrift and take up an area of and invest in to simple structure, easily operation, the maintenance is few, and operational safety is high, can one prepare one and use the operation when overhauing, has guaranteed the continuity of handling.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that: a combined type integrated sewage advanced treatment device comprises a reaction tank body, wherein a partition plate with a cross-shaped section is arranged in the reaction tank body to divide the reaction tank body into four areas, each area comprises two biological reaction areas and two filtering areas, the two biological reaction areas are a first biological reaction area and a second biological reaction area respectively, the two filtering areas are a first filtering area and a second filtering area respectively, the first biological reaction area and the first filtering area are communicated through water through holes, and the second biological reaction area and the second filtering area are communicated through the water through holes; the biological rotating disks are arranged in the two biological reaction zones and comprise biological rotating shafts and cylindrical rotating disks positioned on the biological rotating shafts, the outer walls of the cylindrical rotating disks are cylindrical meshed plates, the cylindrical rotating disks are internally divided into a plurality of compartments by the meshed plates, a plurality of biological filler balls are arranged in each compartment, two ends of each biological rotating shaft in the two biological reaction zones extend out of the biological reaction zone, two ends of each biological rotating shaft are connected with the wall body of the biological reaction zone through bearings, a first transmission chain wheel is arranged at the end part of each biological rotating shaft, which is far away from the filtering zone, a second transmission chain wheel is arranged at the end part of each biological rotating shaft, which is positioned in the filtering zone, a driving motor is arranged on the reaction tank body, a driving chain wheel is arranged on the output shaft of the driving motor, the driving chain wheel and the two first transmission chain wheels are connected through a first annular chain, two, the first transmission chain wheel is provided with a first threaded hole, the biological rotating shaft is provided with a second threaded hole, and the first threaded hole and the second threaded hole are screwed through bolts; the two filtering areas are respectively provided with a fiber rotary disc filter, each fiber rotary disc filter comprises a hollow rotating shaft and a fiber rotary disc, the two ends of the hollow rotating shaft are connected with the wall body of the filtering area through bearings, one end of the hollow rotating shaft, close to the biological reaction area, is provided with a third transmission chain wheel, and the third transmission chain wheel is connected with a second transmission chain wheel through a second annular chain; the one end that the filtering area was kept away from in the biological reaction district is equipped with the water inlet, and the inlet tube communicates through the water inlet of two inlet branch pipes and two biological reaction districts, all be equipped with the branch pipe valve on the two inlet branch pipes, the hollow rotating shaft department of filtering area is the delivery port.

Furthermore, the biological filler ball comprises a hollow nylon ball, a plurality of holes are formed in the hollow nylon ball, and a sponge ball is arranged in the hollow nylon ball. The sponge filler has large specific surface area, high porosity, filler surface capable of promoting the fast and stable attachment of microbes and fast filming speed. The micro-pore channels in the sponge protect the adsorbed microorganisms from the influence of hydraulic impact and shearing force, and the microorganisms on the sponge have stronger microbial activity. In addition, as the biological membrane is mature, the internal pores of the filler are reduced, and the microbial floccule can degrade, adsorb and filter pollutants, so that the treatment effect of the biological rotating disk is greatly enhanced. The gap between the hollow nylon ball and the sponge ball enables the sponge ball to freely roll in a certain range, and the sponge ball is not hardened or caked.

Further, the surface of the hollow nylon ball is rough. The attachment capacity of the biological membrane on the hollow nylon ball is increased.

Furthermore, the upper parts of the two biological reaction zones far away from one end of the filtering zone are respectively provided with a water distribution zone, the water inlet is positioned at the water distribution zone, and the water distribution zone is provided with a water outlet triangular weir of a water distribution groove. So that the incoming water is uniformly distributed to the biological reaction tank, and the phenomenon of short flow is avoided.

Furthermore, a first communicating pipe is arranged between the two biological reaction areas, and a first valve is arranged on the first communicating pipe; a second communicating pipe is arranged between the two filtering areas, and a second valve is arranged on the second communicating pipe. When the double biological rotating disc and the double fiber rotating disc filter are used together, the first valve and the second valve are opened to communicate the two biological reaction areas and the two filtering areas, and the water level is at the same water level.

Furthermore, the bottom of one end of the biological reaction zone, which is far away from the filtering zone, is provided with an aeration pipe, the aeration pipe is provided with a plurality of microporous aeration discs, and the aeration pipe is communicated with a fan. The front end of the biological reaction zone is provided with aeration to improve the organic matter treatment capacity of the system, and volatile organic matters in water can be removed, and the rear end is not provided with aeration to form a precipitation effect and reduce the load of a subsequent fiber rotary disc filter.

Furthermore, a water storage area is arranged outside the reaction tank body and is communicated with the water outlet; and sludge flushing pipes are arranged in the biological reaction area and the filtering area and are communicated with the water storage area through pumps. The water in the water storage area is used for washing the biological rotating disc and the fiber rotating disc, so that the processing capacity of the biological rotating disc and the fiber rotating disc is improved.

Furthermore, an overflow port is formed in the side wall of the filtering area, a floating ball liquid level meter and a backwashing device are arranged in the filtering area, the backwashing device comprises a sucking disc located outside the fiber rotating disc, and the sucking disc is connected with a suction pump. When water reaches the overflow port, the suction pump is started, the suction disc sucks sludge on the fiber turntable, and the processing capacity of the fiber turntable is improved.

Furthermore, a sludge discharge pipe is arranged in the biological reaction area and the filtering area, a plurality of sludge discharge holes are formed in the sludge discharge pipe, and the sludge discharge pipe is connected with a suction pump.

The utility model has the advantages that:

1. the utility model discloses well twin biological carousel and the combination of two fibre carousel filters are used, practice thrift and take up an area of and invest in to simple structure, easily operation, the maintenance is few, and the operational safety is high. A speed reducer drives 4 carousels, has not only realized energy-concerving and environment-protective, is equipped with two limiting plates in the biological pivot moreover, and the limiting plate is located the both sides of a transmission sprocket, be equipped with the screw hole No. one on the transmission sprocket, be equipped with No. two screw holes in the biological pivot, screw hole and No. two screw holes connect soon through the bolt, when the bolt connects screw hole and No. two screw holes soon, a transmission sprocket and biological pivot relative position are fixed, can follow the rotation of drive sprocket and rotate. When the biological carousel overhauls, the bolt is unscrewed, and non-fixed connection between a transmission sprocket and the biological pivot, a transmission sprocket can rotate in the biological pivot between two limiting plates, can realize that a transmission sprocket moves and biological pivot is motionless, and the maintenance of the equipment of being convenient for of this kind of design can be equipped with one and use the operation when overhauing, has guaranteed the continuity of handling.

2. The utility model discloses the inside biological packing ball specific surface area of well biological rotating disc is big, and the porosity is high, characteristics that the microorganism volume is big, the activity is good.

3. The utility model provides a be equipped with rinse-system on the biological rotating disk, regularly wash automatic biofilm carrier and can make droing of ageing biomembrane to strengthen biological rotating disk's metabolic activity, strengthen biological rotating disk's biological throughput then.

4. The utility model discloses in set up the aeration at the front end in biological reaction district, improve the organic matter throughput of system, also can detach the volatile organic compounds of aquatic, the rear end does not set up the aeration, forms the effect of sediment, alleviates the load of follow-up fibre carousel filter.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view at the position of the first endless chain.

Fig. 3 is a schematic view at the position of the second number endless chain.

Fig. 4 is a schematic view at the first transmission sprocket.

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: as shown in fig. 1, 2, 3 and 4, a combined integrated advanced sewage treatment device comprises a reaction tank body 1, wherein a partition plate 2 with a cross-shaped section is arranged in the reaction tank body 1 to divide the reaction tank body into four areas, the four areas comprise two biological reaction areas 3 and two filtering areas 4, the two biological reaction areas 3 are respectively a first biological reaction area and a second biological reaction area, the two filtering areas 4 are respectively a first filtering area and a second filtering area, the first biological reaction area is communicated with the first filtering area through water holes, and the second biological reaction area is communicated with the second filtering area through water holes; a first communicating pipe 29 is arranged between the two biological reaction areas 3, and a first valve 30 is arranged on the first communicating pipe 29; a second communicating pipe 31 is arranged between the two filtering areas 4, and a second valve 32 is arranged on the second communicating pipe 31. All be equipped with biological rotating disk 5 in two biological reaction district 3, biological rotating disk 5 includes biological pivot 6 and is located the cylindric carousel 7 of biological pivot 6, cylindric carousel 7 outer wall is cylindric otter board, divide into a plurality of compartments in with cylindric carousel 7 through the otter board in the cylindric carousel 7, all be equipped with a plurality of biological packing balls 8 in every compartment, biological packing ball 8 includes hollow nylon ball, be equipped with a plurality of holes on the hollow nylon ball, be equipped with the sponge ball in the hollow nylon ball, hollow nylon ball roughness. The biological reaction zone 3 extends out of two ends of a biological rotating shaft 6 in the two biological reaction zones 3, the two ends of the biological rotating shaft 6 are connected with the wall body of the biological reaction zone 3 through bearings, a first transmission chain wheel 9 is arranged at the end part of the biological rotating shaft 6 far away from the filtering zone 4, a second transmission chain wheel 10 is arranged at the end part of the biological rotating shaft 3 in the filtering zone 4, a driving motor 11 is arranged on the reaction tank body 1, a driving chain wheel 12 is arranged on an output shaft of the driving motor 11, the driving chain wheel 12 and the two first transmission chain wheels 9 are connected through a first annular chain 13, two limiting plates 14 are arranged on the biological rotating shaft 6, the limiting plates 14 are arranged at two sides of the first transmission chain wheel 9, a first threaded hole 15 is arranged on the first transmission chain wheel 9, a second threaded hole 16 is arranged on the biological rotating shaft 6, and; the two filtering areas 4 are internally provided with fiber turntable filters 18, each fiber turntable filter 18 comprises a hollow rotating shaft 19 and a fiber turntable 20, two ends of each hollow rotating shaft 19 are connected with the wall body of each filtering area 4 through bearings, one end of each hollow rotating shaft 19, which is close to the biological reaction area, is provided with a third transmission chain wheel 21, and the third transmission chain wheel 21 is connected with a second transmission chain wheel 10 through a second annular chain 22; the biological reaction zone 3 is equipped with water inlet 23 far away from the one end of filtering zone 4, and inlet tube 24 all is equipped with branch pipe valve 26 through two inlet water branch pipes 25 and the water inlet 23 intercommunication of two biological reaction zone 3 on the two inlet water branch pipes 25, and the hollow rotating shaft 19 department of filtering zone 4 is delivery port 27. The upper parts of the two biological reaction zones 3 far away from one end of the filtering zone 4 are both provided with a water distribution zone 42, the water inlet 23 is positioned at the water distribution zone 42, and the water distribution zone 42 is provided with a water distribution tank outlet triangular weir 28. The bottom of one end of the biological reaction zone 3, which is far away from the filtering zone 4, is also provided with an aeration pipe 33, the aeration pipe 33 is provided with a plurality of microporous aeration discs, and the aeration pipe 33 is communicated with a fan 34. A water storage area 35 is arranged outside the reaction tank body 1, and the water storage area 35 is communicated with the water outlet 27; and sludge flushing pipes 36 are arranged in the biological reaction zone 3 and the filtering zone 4, and the sludge flushing pipes 36 are communicated with the water storage zone 35 through pumps. The side wall of the filtering area 4 is provided with an overflow port 41, a floating ball liquid level meter 37 and a back washing device 38 are arranged in the filtering area 4, the back washing device 38 comprises a suction cup 39 positioned outside the fiber rotating disc 20, and the suction cup 39 is connected with a suction pump 40. A sludge discharge pipe 43 is arranged in the biological reaction area 3 and the filtering area 4, a plurality of sludge discharge holes are arranged on the sludge discharge pipe 43, and the sludge discharge pipe 43 is connected with the suction pump 40.

During operation, sewage gets into after 42 even water distribution of water distribution district through water inlet 23 and gets into biological reaction district 3, get into the filtering area through the water hole after 3 reactions in biological reaction district, discharge entering water storage district 35 after the fibre carousel 20 filters, when wherein there is one set of biological carousel 5 to need the clearance, screw out bolt 17, unfixed connection between a transmission sprocket 9 and the biological pivot 6, a transmission sprocket 9 can rotate on biological pivot 6 between two limiting plates 14, can realize that a transmission sprocket moves 9 and biological pivot 6 is motionless, can realize one set of clearance of operation like this.

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

1. A combined type integrated sewage advanced treatment device is characterized by comprising a reaction tank body, wherein a clapboard with a cross-shaped section is arranged in the reaction tank body to divide the reaction tank body into four areas, the four areas comprise two biological reaction areas and two filtering areas, the two biological reaction areas are a first biological reaction area and a second biological reaction area respectively, the two filtering areas are a first filtering area and a second filtering area respectively, the first biological reaction area and the first filtering area are communicated through water holes, and the second biological reaction area and the second filtering area are communicated through water holes; the biological rotating disks are arranged in the two biological reaction zones and comprise biological rotating shafts and cylindrical rotating disks positioned on the biological rotating shafts, the outer walls of the cylindrical rotating disks are cylindrical meshed plates, the cylindrical rotating disks are internally divided into a plurality of compartments by the meshed plates, a plurality of biological filler balls are arranged in each compartment, two ends of each biological rotating shaft in the two biological reaction zones extend out of the biological reaction zone, two ends of each biological rotating shaft are connected with the wall body of the biological reaction zone through bearings, a first transmission chain wheel is arranged at the end part of each biological rotating shaft, which is far away from the filtering zone, a second transmission chain wheel is arranged at the end part of each biological rotating shaft, which is positioned in the filtering zone, a driving motor is arranged on the reaction tank body, a driving chain wheel is arranged on the output shaft of the driving motor, the driving chain wheel and the two first transmission chain wheels are connected through a first annular chain, two, the first transmission chain wheel is provided with a first threaded hole, the biological rotating shaft is provided with a second threaded hole, and the first threaded hole and the second threaded hole are screwed through bolts; the two filtering areas are respectively provided with a fiber rotary disc filter, each fiber rotary disc filter comprises a hollow rotating shaft and a fiber rotary disc, the two ends of the hollow rotating shaft are connected with the wall body of the filtering area through bearings, one end of the hollow rotating shaft, close to the biological reaction area, is provided with a third transmission chain wheel, and the third transmission chain wheel is connected with a second transmission chain wheel through a second annular chain; the one end that the filtering area was kept away from in the biological reaction district is equipped with the water inlet, and the inlet tube communicates through the water inlet of two inlet branch pipes and two biological reaction districts, all be equipped with the branch pipe valve on the two inlet branch pipes, the hollow rotating shaft department of filtering area is the delivery port.

2. The combined integrated advanced wastewater treatment device according to claim 1, wherein the biological filler balls comprise hollow nylon balls, a plurality of holes are arranged on the hollow nylon balls, and sponge balls are arranged in the hollow nylon balls.

3. The combined integrated advanced wastewater treatment device according to claim 2, wherein the hollow nylon ball has a rough surface.

4. The combined integrated advanced wastewater treatment device according to claim 1, wherein the upper parts of the two biological reaction zones at the ends far away from the filtering zone are respectively provided with a water distribution zone, the water inlet is positioned at the water distribution zone, and the water distribution zone is provided with a water distribution groove water outlet triangular weir.

5. The combined integrated advanced wastewater treatment device according to claim 1, wherein a first communicating pipe is arranged between the two biological reaction zones, and a first valve is arranged on the first communicating pipe; a second communicating pipe is arranged between the two filtering areas, and a second valve is arranged on the second communicating pipe.

6. The combined integrated advanced wastewater treatment device according to claim 1, wherein an aerator pipe is arranged at the bottom of one end of the biological reaction zone, which is far away from the filtering zone, a plurality of microporous aeration discs are arranged on the aerator pipe, and the aerator pipe is communicated with a fan.

7. The combined integrated advanced sewage treatment device according to claim 1, wherein a water storage area is arranged outside the reaction tank body and is communicated with the water outlet; and sludge flushing pipes are arranged in the biological reaction area and the filtering area and are communicated with the water storage area through pumps.

8. The combined integrated sewage advanced treatment device according to claim 1, wherein an overflow port is arranged on the side wall of the filtering area, a floating ball liquid level meter and a backwashing device are arranged in the filtering area, the backwashing device comprises a sucking disc positioned outside the fiber rotating disc, and the sucking disc is connected with a suction pump.

9. The combined integrated advanced wastewater treatment device according to claim 8, wherein a sludge discharge pipe is arranged in each of the biological reaction zone and the filtration zone, a plurality of sludge discharge holes are arranged on the sludge discharge pipe, and the sludge discharge pipe is connected with a suction pump.