CN110713256A - Biological pipe culvert reaction unit - Google Patents
Biological pipe culvert reaction unit Download PDFInfo
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- CN110713256A CN110713256A CN201910972279.2A CN201910972279A CN110713256A CN 110713256 A CN110713256 A CN 110713256A CN 201910972279 A CN201910972279 A CN 201910972279A CN 110713256 A CN110713256 A CN 110713256A
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- denitrification
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention provides a biological pipe culvert reaction device which comprises a plurality of pipe culvert reactors connected in sequence, wherein each pipe culvert reactor comprises a reaction pipe fitting, an oxygenation assembly, a carbon-based addition assembly and a drainage assembly, the reaction pipe fitting comprises a nitrification pipe and a denitrification pipe which are communicated, one end of the nitrification pipe, which is far away from the denitrification pipe, is provided with a first partition plate overflow groove, the nitrification pipe is communicated with the denitrification pipe of the adjacent pipe culvert reactor, and the first partition plate overflow groove is used for blocking one part of initial wastewater, so that the other part of the initial wastewater flows into the pipe culvert reactor adjacent to the nitrification pipe, and then the nitrification and denitrification treatment is continuously carried out on the other part of the initial wastewater until the initial wastewater is discharged into a sedimentation tank.
Description
Technical Field
The invention belongs to the field of environmental protection, and particularly relates to a biological pipe culvert reaction device.
Background
A large amount of domestic and agricultural wastewater and the like are generated in the processes of human life and agricultural production, and the sewage with a large amount of pollutants is discharged into a water body without being treated or along with surface runoff, so that the eutrophication of receiving water bodies of lakes, rivers and the like is caused, and the enrichment of nitrogen and phosphorus elements in the water body is caused. The biochemical treatment by using microorganisms is a commonly used sewage treatment process at present, and the biochemical treatment has lower treatment cost and lower investment cost than other treatment processes. At present, point source polluted sewage such as rural sewage, urban sewage and the like is a great influence factor for new rural construction, and the point source polluted sewage is also a resource and can be used for farmland irrigation and the like after being treated, so that waste is changed into valuable. The rural land resources are relatively rich, and in partial water-deficient areas, the application of the treated domestic sewage in irrigation has great significance for saving water in the areas.
At present, the point source pollution sewage treatment process adopts a biochemical method of microorganisms, and also adopts an emergency treatment method of chemical agents or other physical actions (adsorption and the like). However, the treatment cost for treating sewage for a long time by using chemical agents or other physical actions (such as adsorption) is high, and the method is not suitable for treating sewage for a long time. The existing biochemical method is a main process for treating point source polluted sewage, the total volume is large due to large sectional area of the existing treatment equipment, and if the existing treatment equipment is placed on the ground, the occupied land is large, and the requirement on the foundation is high; if the equipment is buried, the construction period is long and the installation difficulty is high. And because the transportation of the integrated equipment is limited by the regulations of road transportation management, the height, the volume and the width of the integrated equipment are greatly limited, the treatment capacity of the sewage treatment equipment is limited, and if the integrated equipment is processed on site, the construction period is long and emergency cannot be realized in a short period.
Disclosure of Invention
The invention aims to solve the problems and provides a biological pipe culvert reaction device which is small in pipe diameter and can be transported and installed in a modularized mode, so that the equipment installation difficulty is greatly reduced, and the construction period is shortened.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a biological tube culvert reaction device, which is characterized by comprising the following components:
a plurality of pipe culvert reactors that communicate in proper order, pipe culvert reactor has: the reaction pipe fitting comprises a nitrification pipe and a denitrification pipe which are communicated; the oxygenation assembly is communicated with the nitrification pipe and is used for charging oxygen into the nitrification pipe so as to enable the initial wastewater in the nitrification pipe to form nitrification wastewater; the carbon-based adding assembly is communicated with the denitrification pipe and is used for adding carbon-based into the denitrification pipe; and a drainage assembly installed in the reaction pipe fitting for draining the nitrification wastewater to the denitrification pipe, thereby carrying out denitrification treatment on the nitrification wastewater through a carbon base, wherein, a first clapboard overflow groove is installed at one end of the nitrification pipe, which is far away from the denitrification pipe, the nitrification pipe is communicated with the denitrification pipe of the adjacent pipe culvert reactor, the first clapboard overflow groove is used for separating one part of the initial wastewater, thereby enabling the other part of the initial wastewater to flow into the pipe culvert reactor adjacent to the nitrification pipe, and further continuing to carry out nitrification and denitrification treatment on the other part of the initial wastewater until the other part of the initial wastewater is discharged into the sedimentation tank.
The biological tube culvert reaction device provided by the invention can also have the characteristics that: and the second clapboard overflow groove is arranged in the reaction pipe fitting and is used for blocking a part of the initial wastewater flowing from the denitrification pipe to the nitrification pipe so as to isolate the initial wastewater in the nitrification pipe from the initial wastewater in the denitrification pipe.
The biological tube culvert reaction device provided by the invention can also have the following characteristics: wherein, first baffle overflow launder and second baffle overflow launder have preceding separate frid, back separate frid and a plurality of support post, the both ends of every support post all support the installation in the front separate frid and back separate on the frid, the lower extreme that separates the frid has the bottom and crosses the discharge orifice after, thereby when making initial waste water level be higher than the upper end edge that separates the frid in the front, initial waste water can be to overflow in first baffle overflow launder or the second baffle overflow launder, and then flows through the bottom discharge orifice.
The biological tube culvert reaction device provided by the invention can also have the following characteristics: wherein, the upper end edge of preceding partition frid has the overflow weir that is the cockscomb structure, and the top of the sawtooth of overflow weir is higher than the surface of water of initial waste water, and the angle of the apex angle of sawtooth > is 90.
The biological tube culvert reaction device provided by the invention can also have the following characteristics: wherein, the carbon back adds the subassembly setting and just is located the top of denitrogenation pipe and nitrotube in the reaction pipe fitting, contains upper seal plate and lower carrier plate, the both sides of upper seal plate and lower carrier plate all with the inner wall welding of reaction pipe fitting to form the supply intermediate layer between upper seal plate and lower carrier plate, the supply intermediate layer is used for introducing the carbon back water that contains the carbon back from the outside, the lower carrier plate has a water distribution hole that is located the denitrogenation pipe, thereby make carbon back water can flow in the denitrogenation pipe through the liquid distribution hole.
The biological tube culvert reaction device provided by the invention can also have the characteristics that: and the plug flow stirrer is obliquely arranged at the bottom in the denitrification pipe and is used for generating vortex in the initial wastewater.
The biological tube culvert reaction device provided by the invention can also have the following characteristics: wherein the nitrification pipe is internally provided with predetermined microorganisms which perform aerobic reaction with oxygen, thereby nitrifying the initial wastewater to form nitrified wastewater.
The biological tube culvert reaction device provided by the invention can also have the following characteristics: wherein, oxygenate the subassembly and contain oxygen suppliment fan and the aerator that is linked together through the air-vent line, oxygen suppliment fan is used for producing oxygen, and the aerator is installed in the bottom in nitrifying the intraductal for with oxygen aeration to initial waste water.
The biological tube culvert reaction device provided by the invention can also have the following characteristics: wherein, the drainage component comprises a main pipeline, a shunt pipeline, a first return pipeline and a second return pipeline, the main pipeline is provided with a first main input end, a second main input end and a main output end, the shunt pipeline is provided with a shunt input end, a first shunt output end and a second shunt output end, the first return pipeline is provided with a first return input end and a first return output end, the second return pipeline is provided with a second return input end and a second return output end, the first main input end is close to the bottom of the tail end of the interior of the nitration pipe, the main pipeline is respectively communicated with the oxygen supply fan and the shunt input end through the second main input end and the main output end, the first shunt output end and the second return output end are respectively communicated with the first return input end and the second return input end, the first return output end and the second return output end are respectively communicated with the denitrification pipe and the nitration pipe, oxygen output by the oxygen supply fan forms, so that the subsequent wastewater flows into the drainage assembly through the first main input end and is discharged into the initial wastewater in the nitrification pipe and the denitrification pipe through the first shunt output end and the second shunt output end respectively.
The biological tube culvert reaction device provided by the invention can also have the characteristics that: the ventilation assembly has piece, dust cap and dust screen of taking a breath, and the piece that takes a breath passes through pipeline and reaction pipe fitting intercommunication for arrange the nitrogen gas that produces in the denitrogenation is handled to the outside, and the top at the piece of taking a breath is installed to the dust cap, and the dust screen is installed on the dust cap, and surrounds the piece that takes a breath.
Action and Effect of the invention
According to the biological pipe culvert reaction device, the biological pipe culvert reaction device comprises a plurality of pipe culvert reactors which are connected in sequence, wherein each pipe culvert reactor comprises a reaction pipe fitting, an oxygenation assembly, a carbon-based addition assembly and a drainage assembly, the reaction pipe fitting comprises a nitrification pipe and a denitrification pipe which are communicated, a first clapboard overflow groove is arranged at one end of the nitrification pipe, which is far away from the denitrification pipe, the nitrification pipe is communicated with the denitrification pipe of the adjacent pipe culvert reactor, the first clapboard overflow groove is used for separating one part of initial wastewater, so that the other part of the initial wastewater flows into the pipe culvert reactor adjacent to the nitrification pipe, and then the nitrification and denitrification treatment is continuously carried out on the other part of the initial wastewater until the initial wastewater is discharged into a sedimentation tank, therefore, the biological pipe culvert reaction device can distribute the sewage in the plurality of pipe culvert reactors to carry out sewage treatment in a multi-stage parallel denitrification mode, thereby make the design pipe diameter of pipe culvert reactor obviously reduce than traditional equipment, greatly reduced height, width and the volume of equipment, and then more traditional equipment be convenient for transport to can decide biological pipe culvert reaction unit's installation length according to actual demand, thereby more traditional equipment has reduced the installation construction cycle, has improved the installation construction speed.
Drawings
FIG. 1 is a schematic view of a biological pipe culvert reactor in an embodiment of the present invention;
FIG. 2 is a schematic view of a first baffle isopipe in an embodiment of the present invention;
FIG. 3 is a schematic elevational view of a drainage assembly in an embodiment of the invention;
FIG. 4 is a schematic partial top view of an embodiment of the present invention; and
FIG. 5 is a schematic view of a carbon-based additive assembly in an embodiment of the invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the invention easy to understand, the following embodiments are specifically described with reference to the accompanying drawings.
Fig. 1 is a schematic view of a biological culvert reactor in an embodiment of the present invention.
As shown in fig. 1, the biological pipe culvert reaction apparatus in the embodiment has one end communicated with a sewage discharge pipe network and the other end communicated with a sedimentation tank, is used for performing denitrification treatment on initial wastewater flowing in from the sewage discharge pipe network, and discharges the initial wastewater into the sedimentation tank, and comprises a plurality of pipe culvert reactors 100 which are sequentially communicated. In this embodiment, the biological pipe culvert reaction apparatus is buried under the ground.
The pipe culvert reactor 100 has a reaction pipe 10, a second baffle overflow launder 20, a plug flow mixer 30, an oxygenation assembly 40, a drainage assembly 50, a carbon-based addition assembly 60, and a ventilation assembly 70.
The reaction tube member 10 includes a nitrification tube 11, a denitrification tube 12, and a first baffle overflow launder 13. In this embodiment, the nitrification pipe 11 of the pipe culvert reactor 100 is communicated with the denitrification pipe 12 of the adjacent pipe culvert reactor 100, the burying depth of the nitrification pipe 11 is greater than that of the denitrification pipe 12, that is, the reaction pipe 10 is buried in a manner of inclining in the height direction, and the initial wastewater flowing in from the sewage discharge pipe network enters the denitrification pipe 12 of the first pipe culvert reactor 100 after passing through the grating filter and the water pump lift.
The predetermined microorganisms are arranged in the nitrification pipe 11 and perform aerobic reaction with oxygen, so that ammonia nitrogen in the initial wastewater is converted into nitrate nitrogen or nitrite nitrogen, namely, the initial wastewater is nitrified, and further nitrification wastewater is formed. In this embodiment, the nitrification pipe 11 is a circular pipe, and the predetermined microorganisms are nitrifying bacteria or nitrifying bacteria.
The denitrification pipe 12 is communicated with the nitrification pipe 11 and is used for performing denitrification treatment on the nitrification wastewater by utilizing carbon groups in the initial wastewater, and the surface of the denitrification pipe is provided with a manhole 121 for maintenance personnel to enter and exit. In the present embodiment, the denitrification pipe 12 is a circular pipe similar to the nitrification pipe 11 and is integrally formed with the nitrification pipe 11.
FIG. 2 is a schematic view of a first baffle isopipe in an embodiment of the present invention.
The first baffle overflow launder 13 is installed at one end of the nitrification pipe 11 far from the denitrification pipe 12, and has a front baffle 131, a rear baffle 132, and a plurality of support columns 133.
The front partition plate 131 is shaped like a large circle, the upper edge of the front partition plate has an overflow weir 131a, when the initial wastewater level is higher than the upper edge of the front partition plate 131, the initial wastewater can overflow into the first partition overflow groove, in this embodiment, the thickness of the front partition plate 131 is not less than 3mm, and the steel plate is perpendicular to and welded in a closed manner with the inner wall of the nitrification pipe 11.
The overflow weir 131a is formed in a zigzag shape in which the tips of the serrations are higher than the surface of the initial wastewater and the angle of the apex angle of the serrations is 90 °. In this embodiment, the height of the lower edge of the overflow weir 131a is 1-2cm lower than the initial wastewater level, and the top of the saw teeth is designed to have the same height and have a distance of 10cm or less from the initial wastewater level.
The rear slot plate 132 has the same shape and size as the front slot plate 131, is closer to the adjacent denitrification pipe 12 of the culvert reactor 100 than the front slot plate 131, and has a bottom overflowing hole 132a at the lowest part of the lower end, and the initial wastewater flows into the denitrification pipe 12 of the adjacent culvert reactor 100 through the bottom overflowing hole 132 a. In this embodiment, the rear partition 132 is welded to the inner wall of the nitrification pipe 11 in a close manner and is parallel to the front partition 131, so that a water storage space is formed between the front partition 131 and the rear partition 132, and the initial wastewater passing through the bottom overflowing hole 132a has a flow rate of less than 5m3/min。
A plurality of supporting columns 133 are located between the front and rear trough-dividing plates 131 and 132, and two ends of each supporting column 133 are supported and mounted on the front and rear trough-dividing plates 131 and 132, in this embodiment, the number of the supporting columns 133 is three, the diameter of each supporting column is greater than 8cm, the supporting columns are arranged in an isosceles triangle shape, and two ends of each supporting column are welded on the front and rear trough-dividing plates 131 and 132.
The second barrier overflow tank 20 is installed in the reaction tube member 10 to block a portion of the initial wastewater flowing from the denitrification tube 12 to the nitrification tube 11, thereby isolating the initial wastewater in the nitrification tube 11 from the initial wastewater in the denitrification tube 12. In this embodiment, the second baffle overflow launder 20 is identical to the first baffle overflow launder 13.
The plug flow agitator 30 is installed at the bottom of the denitrification pipe 12 in an inclined manner and at an end of the nitrification pipe 11 close to the adjacent culvert reactor 100 for generating a vortex flow in the initial wastewater in the denitrification pipe 12, and in the present embodiment, the plug flow agitator 30 is installed on the inner wall of the denitrification pipe 12 detachably by means of screws close to the right below the manhole 121.
The oxygenation assembly 40 is in communication with the nitrification pipe 11 for charging oxygen into the nitrification pipe 11 so that the initial wastewater in the nitrification pipe 11 forms nitrified wastewater, and comprises an oxygen supply fan 41 and an aerator 42 in communication through an aeration pipe P.
The oxygen supply fan 41 is used to generate oxygen. In this embodiment, the oxygen supply fan 41 is located above the ground surface and is detachably mounted to one end of the ventilation pipe P.
An aerator 42 is installed at the bottom inside the nitrification pipe 11 for aerating oxygen into the initial wastewater in the nitrification pipe 11 and the denitrification pipe 12. In the present embodiment, the aerator 42 is detachably mounted on the other end of the air duct P.
FIG. 3 is a schematic elevational view of a drainage assembly in an embodiment of the invention; fig. 4 is a partial top schematic view of an embodiment of the present invention.
As shown in fig. 3 and 4, a drainage assembly 50 is installed in the reaction pipe member 10 for draining the nitrification-treated wastewater from the nitrification pipe 11 into the denitrification pipe 12 to perform denitrification treatment on the nitrification-treated wastewater by carbon radicals in the initial wastewater in the denitrification pipe 12, and includes a main pipe 51, a branch pipe 52, a first return pipe 53, a second return pipe 54, and a negative pressure introduction pipe 55.
The main pipe 51 has a first main input end, a second main input end and a main output end, and in this embodiment, the main pipe 51 is a straight pipe, is arranged perpendicular to the length direction of the nitrification pipe 11, and is located near the front baffle overflow plate 131 of the first baffle overflow chute 13.
The first main input is near the bottom of the interior end of the nitrification pipe 11, and in this embodiment, the first main input is 30cm from the bottom of the nitrification pipe 11.
The second main input is in communication with the vent line P via a negative pressure introduction line 55 and thus with the oxygen supply fan 41.
The main output communicates with a shunt conduit 52.
The shunt tubes 52 have a shunt input, a first shunt output, and a second shunt output. In this embodiment, the branch pipe 52 is Y-shaped, runs perpendicular to the main pipe 51 and is located near the inner wall of the upper end of the nitrification pipe 11.
The split input communicates with the main output, the first split output communicates with the first return line 53, and the second split output communicates with the second return line 54.
The first return line 53 is fitted with a first solenoid valve F1 having a first return input and a first return output. In the present embodiment, the first return pipe 53 has an "L" shape.
The first return input end is communicated with the denitrification pipe 12, in this embodiment, the pipe section of the first return input end is parallel to the main pipe 51, and the opening of the first return input end faces to the inside of the denitrification pipe 12.
The first reflux output end is communicated with the first shunt output end.
A second solenoid valve F2 is mounted on the second return line 54 and has a second return input and a second return output. In this embodiment, the second return conduit 54 is "L" shaped.
The second backflow input end is communicated with the nitration pipe 11, and the second backflow output end is communicated with the second shunt output end.
The negative pressure introduction pipe 55 has a negative pressure input end and a negative pressure output end for introducing oxygen through the ventilation pipe P, thereby allowing oxygen output by the oxygen supply fan 41 to form a negative pressure in the drainage assembly 50, allowing the nitrified wastewater to flow into the drainage assembly 50 through the first main input end, and to be discharged into the initial wastewater located in the nitrification pipe 11 and the denitrification pipe 12 through the first branch flow output end and the second branch flow output end, respectively.
The negative pressure input end is communicated with the vent pipe P, and the negative pressure output end is communicated with the main pipe 51.
FIG. 5 is a schematic view of a carbon-based additive assembly in an embodiment of the invention.
As shown in fig. 5, the carbon-based adding assembly 60 is communicated with the denitrification pipe 12, and is used for adding carbon-based to the denitrification pipe 12, and is disposed in the reaction pipe 10 and above the denitrification pipe 12 and the nitrification pipe 11, and includes an upper sealing plate 61 and a lower supporting plate 62, in this embodiment, the carbon-based adding assembly 60 is a pipe with a rectangular cross section, and is disposed below the diversion pipe 52, the first return pipe 53 and the second return pipe 54, and has corresponding through holes for matching with the manhole 121, the main pipe 51, the first return pipe 53 and the second return pipe 54 are welded to the corresponding through holes in a closed manner, the two ends of the carbon-based adding assembly 60 are respectively provided with an insert and a receiving slot, and the carbon-based adding assemblies 60 of the adjacent pipe culvert reactors 100 can be connected and communicated by matching of the insert and the receiving slot, thus being an integral whole.
Both sides of the upper sealing plate 61 are welded to the inner wall of the reaction tube member 10.
The both sides of lower carrier plate 62 and the inner wall welding of reaction pipe spare 10, a water distribution hole 621 that is located denitrogenation pipe 12 has, form the supply intermediate layer between upper seal plate 61 and the lower carrier plate 62, the supply intermediate layer is used for introducing the carbon back water that contains the carbon back from the outside, in this embodiment, the thickness of lower carrier plate 62 must not be less than 3mm, the actual height is higher than 3/4 of denitrogenation pipe 12 pipe diameter, the initial waste water of design height distance is not less than 40cm, the waste water of carbon back water for containing the carbon back, the manhole 121 corresponds keeps apart to the form that adopts closed welding steel sheet between perforation region and the supply intermediate layer.
The water distribution hole 621 enables carbon-based water to flow into the denitrification pipe 12 from the supply interlayer, in this embodiment, the water distribution hole 621 is located right above the middle of the denitrification pipe 12 in the length direction, and the water distribution hole 621 is provided with an electromagnetic valve.
The ventilation assembly 70 has a ventilation member 71, a dust cap 72 and a dust screen (not shown in the drawings),
the air exchange member 71 is communicated with the reaction pipe member 10 through a pipe for discharging nitrogen generated in the denitrification process to the outside, and in this embodiment, the air exchange member 71 is an exhaust fan 50cm above the ground surface.
The dust cap 72 is mounted on the top end of the breather 71, and in this embodiment, the dust cap 72 has a tapered cylindrical shape.
The dust screen is mounted on the dust cap 72 and surrounds the breather 71.
Biological pipe culvert reaction unit in this embodiment is before the input work, and the required pipe culvert reactor 100's of sewage water yield selection that needs to handle as required quantity is connected, and adjacent pipe culvert reactor 100 connects through the flange, and adjacent pipe culvert reactor 100's carbon base adds subassembly 60 and connects through the cooperation of insert and socket to form a whole.
The working process of the biological pipe culvert reaction device in the embodiment is as follows:
first, the initial wastewater flows into the denitrification pipe 12 of the first culvert reactor 100, flows into the nitrification pipe 11 through the second partition overflow chute 20 under the action of gravitational potential energy, the oxygenation assembly 40 aerates the initial wastewater, and the initial wastewater is nitrified in the nitrification pipe 11 through aerobic reaction of predetermined microorganisms to form nitrified wastewater. Then, in draining the nitrification treatment waste water to denitrogenation pipe 12 through drainage subassembly 50, carbon base interpolation subassembly 60 adds carbon base water to the initial waste water that is located denitrogenation pipe 12, utilizes carbon base to carry out denitrification reaction to the nitrification treatment waste water, denitrogenates the nitrification treatment waste water promptly, and finally, the nitrogen gas in pipe culvert reactor 100 is discharged from pipe culvert reactor 100 through ventilation subassembly 70. The nitrification pipe 12 is communicated with the denitrification pipe 12 of the adjacent culvert reactor 100, and the first baffle overflow launder 50 is used for separating one part of the initial wastewater, so that the other part of the initial wastewater flows into the denitrification pipe 11 of the culvert reactor 100 adjacent to the nitrification pipe 12, and then the nitrification and denitrification treatment of the other part of the initial wastewater is continued until the initial wastewater is discharged into the sedimentation tank.
Effects and effects of the embodiments
According to the biological pipe culvert reaction device that this embodiment relates to, including a plurality of pipe culvert reactors that connect gradually, the pipe culvert reactor has reaction pipe spare, oxygenate the subassembly, subassembly and drainage subassembly are added to the carbon back, the reaction pipe spare is including the nitrification pipe and the denitrogenation pipe that are linked together, because the one end of keeping away from the denitrogenation pipe of nitrification pipe is installed first baffle overflow launder, the nitrification pipe is linked together with the denitrogenation pipe of adjacent pipe culvert reactor, first baffle overflow launder is used for carrying out the separation to some in the initial waste water, thereby make another part in the initial waste water flow into the pipe culvert reactor that is adjacent with the nitrification pipe, and then continue to nitrify and denitrogenate another part in the initial waste water, until discharging into the sedimentation tank, so, the biological pipe culvert reaction device of this embodiment can let sewage distribute in a plurality of pipe culvert reactors, carry out sewage treatment through the mode of the parallel denitrogenation of multistage, thereby make the design pipe diameter of pipe culvert reactor obviously reduce than traditional equipment, greatly reduced height, width and the volume of equipment, and then more traditional equipment be convenient for transport to can decide biological pipe culvert reaction unit's installation length according to actual demand, thereby more traditional equipment has reduced the installation construction cycle, has improved the installation construction speed.
Because the first partition overflow chute and the second partition overflow chute in this embodiment have the front partition plate, the rear partition plate, and the plurality of support pillars, and both ends of each support pillar are supported and installed on the front partition plate and the rear partition plate, when bearing the pressure of the initial wastewater, the front partition plate and the rear partition plate will not deform due to uneven stress.
Further, because the bottommost part of the lower end of the rear partition board in the embodiment is provided with the bottom overflowing hole, the sludge deposition area in the reaction pipe fitting can be further reduced by water entering through the bottom overflowing hole, and the effective reaction area of the pipe culvert reactor is effectively increased.
Because the upper end edge of the front partition board in this embodiment has the zigzag overflow weir, the top end of the overflow weir is higher than the water surface of the initial wastewater, and the angle of the top angle of the zigzag is 90 °, when the initial wastewater overflows to the first partition board overflow trough or the second partition board overflow trough through the front partition board, the overflow weir can greatly reduce the foam generated during water drop, so that the overflow height is not changed frequently due to too much foam of the first partition board overflow trough or the second partition board overflow trough.
Because carbon base adds the subassembly setting in this embodiment and is located the top of denitrogenation pipe and nitration pipe in the reaction pipe fitting, inside supply intermediate layer is used for introducing the carbon base water that contains the carbon base from the outside, and carbon base adds the subassembly and has a water distribution hole that is located the denitrogenation intraductal, so, carbon base adds the subassembly and can continuously adds carbon base water to in the denitrogenation pipe to guarantee that there is sufficient carbon base so that carry out continuous denitrogenation to nitration waste water in the denitrogenation pipe and handle.
Further, because the both ends that the subassembly was added to the carbon back in this embodiment are provided with insert and socket respectively, so, can add the subassembly through the cooperation of insert and socket and connect the intercommunication with the carbon back of adjacent pipe culvert reactor to become a whole, and then be convenient for the connection of pipe culvert reactor.
Furthermore, because the water distribution holes in the embodiment are provided with the electromagnetic valves, the inflow amount of carbon-based water can be adjusted by adjusting the electromagnetic valves according to the carbon-based content of the initial wastewater in the denitrification pipe.
Since the impeller stirrer in this embodiment is installed at the bottom of the denitrification pipe in an inclined manner, the impeller stirrer can easily generate a vortex flow, so that the denitrification reaction can be performed better.
Since the present embodiment has the predetermined microorganisms that aerobically react with oxygen, the initial wastewater located in the nitrification tube can be subjected to nitrification reaction to form nitrified wastewater.
Because the oxygenation assembly in this embodiment comprises the oxygen supply fan and the aerator which are communicated through the air duct, the oxygen supply fan is used for generating oxygen, and the aerator is installed at the bottom of the nitrification pipe and is used for aerating the oxygen into the initial wastewater, the oxygen in the initial wastewater in the nitrification pipe can be enriched, thereby ensuring the continuous formation of the nitrification treatment wastewater.
Further, the oxygen supply fan in this embodiment is located on the earth's surface, so, can conveniently maintain the oxygen supply fan.
Furthermore, because the equal detachably of oxygen suppliment fan and the aerator of this embodiment installs on the air duct, so, oxygen suppliment fan and aerator all can be followed and managed the reactor and pulled down to can further reduce the volume that occupies of managed the reactor, and then make things convenient for the transportation of managed the reactor.
Because the drainage subassembly in this embodiment contains the trunk line, the reposition of redundant personnel pipeline, pipeline is introduced to first return pipeline and negative pressure, the negative pressure is introduced the pipeline and is used for making the oxygen of oxygen suppliment fan output form the negative pressure in the drainage subassembly, so, the trunk line can use the negative pressure to carry out the drainage of nitration processing waste water to nitration pipe and denitrogenation pipe as power, thereby not only guaranteed that initial waste water can carry out denitrogenation processing simultaneously through the process of nitration-denitrification, and the prior art need not to adopt the motor as the power of drainage, make the motor quantity in the pipe culvert reactor further reduce, make the maintenance operation simpler.
Further, because the main pipeline in this embodiment has the first main input end, and the first main input end is close to the terminal bottom of the inside of the nitrification pipe, and is located near the preceding baffle overflow launder of first baffle overflow launder, so, the drainage subassembly can drive the water body exchange in the nitrification pipe while drainage nitrification treatment waste water to reduce the silt that first baffle overflow launder deposits at the dead angle department that the nitrification pipe formed.
Furthermore, because install first solenoid valve on the first return line of this embodiment, install the second solenoid valve on the second return line, so, can adjust the flow that passes through liquid in the drainage subassembly through to first solenoid valve and second solenoid valve to make the negative pressure in the drainage subassembly can guarantee the continuous smooth drainage to the nitration waste water.
Because the ventilation assembly in this embodiment includes the ventilation piece, can beat the nitrogen gas in the pipe culvert reactor to the outside fast conveniently.
Because the denitrogenation pipe in this embodiment is the pipe with the pipe of nitrifying, so, can reduce the silt deposit point in the pipe culvert reactor, improve effectively that there is the pipe culvert reactor to imitate the volume utilization ratio.
The above-described embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and changes can be made by those skilled in the art without inventive work within the scope of the appended claims.
Claims (10)
1. The utility model provides a biological pipe culvert reaction unit, one end is linked together with the sewage discharge pipe network, and the other end is linked together with the sedimentation tank for to follow the initial waste water that the sewage discharge pipe network flowed into carries out nitrogen removal treatment, and discharges extremely in the sedimentation tank, its characterized in that includes:
a plurality of pipe culvert reactors that communicate in proper order, this pipe culvert reactor has:
the reaction pipe fitting comprises a nitrification pipe and a denitrification pipe which are communicated;
an oxygenation assembly in communication with the nitrification pipe for charging oxygen into the nitrification pipe so that the initial wastewater within the nitrification pipe forms nitrified treatment wastewater;
the carbon-based adding component is communicated with the denitrification pipe and is used for adding carbon-based to the denitrification pipe; and
a drainage assembly installed in the reaction pipe fitting for draining the nitrification wastewater to the denitrification pipe so as to perform denitrification treatment on the nitrification wastewater through the carbon base,
wherein one end of the nitrification pipe far away from the denitrification pipe is provided with a first clapboard overflow trough,
the nitrification pipe is communicated with the denitrification pipe of the adjacent pipe culvert reactor, and the first clapboard overflow groove is used for blocking one part of the initial wastewater, so that the other part of the initial wastewater flows into the pipe culvert reactor adjacent to the nitrification pipe, and further, the nitrification and denitrification treatment is continuously carried out on the other part of the initial wastewater until the initial wastewater is discharged into the sedimentation tank.
2. The biological pipe culvert reaction device of claim 1, further comprising:
a second baffle overflow launder installed within the reaction tube for blocking a portion of the initial wastewater flowing from the denitrification tube to the nitrification tube, thereby isolating the initial wastewater located in the nitrification tube from the initial wastewater located in the denitrification tube.
3. The biological pipe culvert reaction device of claim 2, characterized in that:
wherein the first and second baffle overflow troughs have a front baffle plate, a rear baffle plate, and a plurality of support columns,
both ends of each supporting column are supported and installed on the front groove separating plate and the rear groove separating plate,
and the lower end of the rear partition board is provided with a bottom overflowing hole, so that when the initial wastewater level is higher than the upper end edge of the front partition board, the initial wastewater can overflow into the first partition board overflow groove or the second partition board overflow groove and then flows out through the bottom overflowing hole.
4. The biological pipe culvert reaction device of claim 3, characterized in that:
wherein, the upper end edge of the front partition board is provided with a sawtooth-shaped overflow weir, the top end of the sawtooth of the overflow weir is higher than the water surface of the initial wastewater, and the angle of the vertex angle of the sawtooth is equal to 90 degrees.
5. The biological pipe culvert reaction device of claim 2, characterized in that:
wherein the carbon-based adding component is arranged in the reaction pipe fitting and positioned above the denitrification pipe and the nitrification pipe, and comprises an upper sealing plate and a lower bearing plate,
both sides of the upper sealing plate and the lower carrier plate are welded with the inner wall of the reaction pipe fitting, so that a replenishment interlayer is formed between the upper sealing plate and the lower carrier plate, the replenishment interlayer is used for introducing carbon-based water containing carbon from the outside,
the lower bearing plate is provided with a water distribution hole positioned in the denitrification pipe, so that the carbon-based water can flow into the denitrification pipe through the water distribution hole.
6. The biological pipe culvert reaction device of claim 1, further comprising:
and the plug flow stirrer is obliquely arranged at the bottom in the denitrification pipe and is used for generating vortex in the initial wastewater.
7. The biological pipe culvert reaction device of claim 1, characterized in that:
wherein the nitrification pipe is internally provided with predetermined microorganisms which perform aerobic reaction with the oxygen so as to nitrify the initial wastewater to form the nitrified wastewater.
8. The biological pipe culvert reaction device of claim 1, characterized in that:
wherein the oxygenation assembly comprises an oxygen supply fan and an aerator which are communicated through an aeration pipeline,
the oxygen supply fan is used for generating the oxygen,
the aerator is installed at the bottom inside the nitrification pipe and is used for aerating the oxygen into the initial wastewater.
9. The biological pipe culvert reaction device of claim 8, wherein:
wherein the drainage component comprises a main pipeline, a shunt pipeline, a first return pipeline and a second return pipeline,
the main pipe has a first main input end, a second main input end and a main output end,
the shunt pipe has a shunt input end, a first shunt output end and a second shunt output end,
the first return conduit has a first return input and a first return output,
the second return conduit having a second return input and a second return output,
the first main input end is close to the bottom of the tail end of the interior of the nitrification pipe,
the main pipeline is respectively communicated with the oxygen supply fan and the shunting input end through the second main input end and the main output end,
the first shunt output end and the second shunt output end are respectively communicated with the first return input end and the second return input end,
the first reflux output end and the second reflux output end are respectively communicated with the denitrification pipe and the nitrification pipe,
oxygen supply fan output oxygen is in form the negative pressure in the drainage subassembly for nitrify and handle waste water and pass through first main input end flows in the drainage subassembly, and pass through first reposition of redundant personnel output and second reposition of redundant personnel output are arranged respectively to being located nitrify the pipe with the denitrogenation pipe in the initial waste water.
10. The biological pipe culvert reaction device of claim 1, further comprising:
a ventilation component which is provided with a ventilation piece, a dust cap and a dust screen,
the gas exchange member is communicated with the reaction pipe member through a pipe for discharging nitrogen generated in the denitrification treatment to the outside,
the dust cap is arranged at the top end of the ventilation piece,
the dust screen is installed on the dust cap and surrounds the ventilation piece.
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| CN201910972279.2A CN110713256A (en) | 2019-10-14 | 2019-10-14 | Biological pipe culvert reaction unit |
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| CN201910972279.2A CN110713256A (en) | 2019-10-14 | 2019-10-14 | Biological pipe culvert reaction unit |
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Cited By (3)
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| CN109970198A (en) * | 2019-04-25 | 2019-07-05 | 海南天鸿市政设计股份有限公司 | Utilize the device and sewage water treatment method of heavy caliber trunk sewer road processing sewage |
| RU2776536C1 (en) * | 2021-11-30 | 2022-07-21 | Общество с ограниченной ответственностью "Новые Трубные Технологии" | Carousel aerotank with a sunken shaft |
| CN117430247A (en) * | 2023-12-06 | 2024-01-23 | 青岛鑫源环保集团有限公司 | Drinking water nitrogen-reducing purifying equipment |
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| CN117430247A (en) * | 2023-12-06 | 2024-01-23 | 青岛鑫源环保集团有限公司 | Drinking water nitrogen-reducing purifying equipment |
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