CN206089170U - Sewage system of oxygenating - Google Patents
Sewage system of oxygenating Download PDFInfo
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- CN206089170U CN206089170U CN201621115281.6U CN201621115281U CN206089170U CN 206089170 U CN206089170 U CN 206089170U CN 201621115281 U CN201621115281 U CN 201621115281U CN 206089170 U CN206089170 U CN 206089170U
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- sewage
- oxygenation
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- water
- aerobic pond
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model provides a sewage system of oxygenating, include: good oxygen pond, sewage cycle device, distribution system, oxygenate filler, reflux unit and baffle, the baffle divide into good oxygen pond circulation zone and oxygenates the district, and the sewage cycle unit bit is in circulation zone, and the reflux unit stretches into and oxygenates in the district, distribution system connects the sewage cycle device, promotes sewage to oxygenating the filler, it packs to oxygenate has been located oxygen pond top, and the reflux unit is located and oxygenates the below of packing. The utility model provides a but the system of oxygenating adjusts the temperature in the heat transfer of oxygenation in -process, has that the aeration energy consumption is lower, oxygen filling effect good, easily examines and repair and advantage such as maintenance.
Description
Technical field
This utility model is related to a kind of sewage oxygenating system, more particularly to a kind of exposure of the homoiothermic that can exchange heat in oxygenation process
Gas energy consumption is relatively low, oxidation effect is good, be easy to the sewage oxygenating system that overhauls and safeguard, belongs to water process oxygenation technical field.
Background technology
At present, the method for aeration aerating mainly has two big class in Aerobic Pond：
One class is the method for blast aeration oxygenation, is by sky by aerator using the oxygenating system of this kind of oxygen charging method
Tympanites enters under water, during air bubble rises, gas-liquid mass transfer occurs so that oxygen in water is supplemented.Should
The method for planting blast aeration oxygenation is applied to the various sewage disposal scales of large, medium and small type.
But, the lift of aerator is larger needed for such method, and the depth of generally water adds the resistance of aerating pipelines system,
Traditional Aerobic Pond is generally blast needed for 4-5 rice, therefore general aerator deeply need to reach 5-7 rice lifts.In this case, gas
Bubble (air) enter Aerobic Pond inner bottom part after, rapid increase, in the pond in stop and the mass transfer time it is shorter, therefore the utilization rate of oxygen compared with
It is low, there was only 8-15% in common engineering application, it is contemplated that the efficiency factor of blower motor, the aggregate efficiency of blast aeration typically exists
Within 12%.
The aeration aerating method of another quasi-tradition is surface aeration (or referred to as point plate-spinning, a brush aeration), this kind of side
Method is, by the machinery for rotating at a high speed, the oxygen in air to be blasted in water, the method relatively energy-conservation, but is limited by place
The impact of science and engineering skill, is only applicable to fairly large sewage treatment plant, used in oxidation ditch process extensively.Further, since table
The protection of face Aeration tank is highly larger, and construction cost is higher, therefore it is limited it is used.
Following documents disclose existing several aeration aerating systems：
Documents 1：CN205472902U discloses a kind of energy-efficient jet-flow aeration system, including Aeration tank, Aeration tank
It is provided with the air inlet pipe and feed tube be arrangeding in parallel；Some aerators are provided with Aeration tank, aerator includes inlet, enters
QI KOU, hybrid chamber, jet, injection disk, air inlet is located along the same line with jet, and inlet is located at air inlet top,
Injection disk is installed at jet, and the injection disk of adjacent aerator is disposed opposite to each other；Feed tube is connected with inlet, air inlet pipe
Connect with air inlet；The corner of Aeration tank is provided with water circulating pump.
Documents 2：CN 105600968A disclose a kind of natural style sewage oxygenation sedimentation tank, it include cell body, barricade,
At least one oxygenation cylinder, defecator and sewage break up oxygenate apparatus, wherein, the dams setting is in the cell body by pond
Body is divided into the first process chamber and second processing room, and wastewater inlet is offered as water inlet on the cell body of first process chamber
End, the bottom of the barricade offers the barricade outlet pass for sewage to be sent into second processing room, and the oxygenation cylinder is arranged
In the second processing room, its top is offered in oxygenation water inlet, and the oxygenation cylinder in the oxygenation water inlet
Lower section is disposed with defecator along short transverse and sewage breaks up oxygenate apparatus, and the bottom of the oxygenation cylinder offers to be filled
Oxygen outlet of sewer.
Documents 3：CN204918139U discloses a kind of aerating system of biochemical sewage processing pond, including aeration supervisor,
Aeration supervisor includes aeration longitudinal tubule (L tubule) and aeration transverse tube, and several tap mouths are evenly arranged with aeration transverse tube, and each tap mouth can
The aeration vertical tube being vertically arranged is removed and installed, the bottom of the aeration vertical tube is connected with two aerations and is in charge of by threeway, aeration
The free end closure being in charge of, each aeration is in charge of and be arranged in parallel and aeration is in charge of vertical with aeration transverse tube, and each aeration is in charge of and is set
It is placed in the bottom in biochemical sewage pond and positioned at the lower section of biochemical filler, each aeration is in charge of and is provided with several aeration main apertures,
Aeration is in charge of suit and is fixed with gum cover, and aeration main aperture is wrapped up and is provided with several aerating pores on gum cover by the gum cover, raw
The bottom of change filler is provided with demoulding and washes away pipeline.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of sewage oxygenating system, and the oxygenating system is in oxygenation process
In can exchange heat homoiothermic, and have the advantages that aeration energy consumption is relatively low, oxidation effect is good, be easy to overhaul and safeguard.
In order to solve above-mentioned technical problem, this utility model is employed the following technical solutions：
A kind of sewage oxygenating system is provided, including：Aerobic Pond, sewage circulation unit, water distribution system, oxygenation filler, backflow
Device and dividing plate；
Aerobic Pond is divided into race way and oxygenation zone by the dividing plate, and sewage circulation unit is located in race way, reflux
Stretch in oxygenation zone；The water distribution system connects sewage circulation unit, by sewage lifting to oxygenation filler；The oxygenation filler position
In Aerobic Pond top, reflux is located at oxygenation filler lower section.
In scheme of the present utility model, reflux from forms such as air-lift device, screw pumps, and can also commonly be centrifuged
Pump compares, and belongs to that lift is little, efficiency high equipment, can reduce the energy consumption of whole oxygenating system.
The position of dividing plate is preferably provided at the end of Aerobic Pond, and its setting can guarantee that the volume of race way was circulated for 5 minutes
Amount.
Further,
The water distribution system includes water distribution pipeline and valve.Valve is mainly used in controlling distributed water flow.
Affiliated water distribution system also includes spray equipment.The spray equipment can be the spray for being arranged on water distribution pipeline end
Head or perforated pipe or distribution channel, it is ensured that sewage is equably sprayed at oxygenation filler surface.
Further,
The oxygenation filler is the big filler of specific surface area.
Preferably, the oxygenation filler is stable chemical nature, the macromolecular material of lighter in weight (such as fiberglass, PVC
Deng), for example：For the filler of water-cooling tower.
The pattern of oxygenation filler has S ripple fillers, and oblique mistake filler, step Trapezium oblique wave filler, difference position formula sine wave is filled out
Material, puts ripple filler, hexagon cellular filler, two-way ripple filler, bias ripple filler etc., preferred hexagon cellular filler.
Further,
The top for being inclined and mounted on Aerobic Pond of the oxygenation filler, it is in 5- with horizontal direction to incline the angle installed
70°。
Preferably,
The sewage circulation unit is preferably that flow is big, lift is low, efficiency high axial-flow pump, screw pump or air-lift device.
Preferably,
The cell body of the Aerobic Pond is Reinforced Concrete Structure or steel construction.
The oxygen charging method of above-mentioned sewage oxygenating system, specifically includes following steps：
S1, first, Aerobic Pond top is promoted to using the sewage circulation unit in Aerobic Pond by sewage by water distribution system
Oxygenation filler, and sewage is evenly distributed on oxygenation filler；
The hole and surface of S2 and then sewage along oxygenation filler, flows from top to bottom, during drainage flow, profit
Poor with the atmospheric density inside and outside the temperature difference and oxygenation filler of air and sewage, sewage is passed with air on its contact surface
Matter and heat transfer, while using oxygenation filler to sewage oxygenation, the temperature adjustment of sewage are made to being adapted to by the heat transfer with air
The temperature of growth of microorganism；
S3, the oxygenation sewage flowed out from oxygenation filler flow to the reflux being arranged on below oxygenation filler, by backflow
Device is flowed back in Aerobic Pond, completes the aerobic process of sewage；
Due to arranging dividing plate in Aerobic Pond, Aerobic Pond is divided into race way and oxygenation zone, sewage circulation unit by the dividing plate
In race way, reflux is stretched in oxygenation zone, therefore can prevent short stream.
Further,
By the Valve controlling distributed water flow of water distribution system in step S1, while making dirt using the spray equipment of water distribution system
Water is equably sprayed at oxygenation filler surface.
Further,
In step S1, oxygenation filler is inclined and mounted on into the top of Aerobic Pond, inclining the angle installed is and horizontal direction
In 5-70 °.
Further,
In step S1, sewage circulation unit is from flow is big, lift is low, efficiency high axial-flow pump, screw pump or air stripping are filled
Put.
Preferably,
Reflux can also be compared from forms such as air-lift device, screw pumps with Ordinary Centrifugal Pumps, belong to lift
Little, efficiency high equipment, can reduce the energy consumption of whole oxygenating system.
Preferably,
In step S1, from the big filler of specific surface area, the oxygenation filler can be chemical property to the oxygenation filler
The stable, macromolecular material (such as fiberglass, PVC) of lighter in weight, for example：For the filler of water-cooling tower.
The beneficial effects of the utility model：
1st, this utility model solves the problems, such as that aeration in sewage treatment energy consumption is higher, is filled using the effluent cycle in Aerobic Pond
To put water and be promoted to oxygenation filler by water distribution system and be evenly distributed on oxygenation filler, oxygenation filler is located at the pond of Aerobic Pond
Body top, using the big characteristic of packing specific area to increase water in dissolved oxygen, the oxygenated water Jing after oxygenation filler out lead to
Cross reflux to flow back in Aerobic Pond.
2nd, dividing plate is set in Aerobic Pond to prevent short stream in this utility model.Dividing plate by Aerobic Pond be divided into oxygenation zone and
Sewage circulation unit is placed in race way, race way, and the bottom of reflux is stretched in oxygenation zone.
Water distribution system in this utility model includes water distribution pipeline and valve.Valve is used to control distributed water flow, it is ensured that match somebody with somebody
Water it is uniform.Affiliated water distribution system also includes spray equipment, sewage is evenly distributed on oxygenation filler.
3rd, the oxygenating system in this utility model, equipment is all placed in more than the water surface, is easy to overhaul after going wrong and ties up
Shield.Traditional blast aeration is compared, the first-class component of aeration tube and aeration of its aerating system is placed in pond inner bottom part, due to aeration head
Working environment is more severe, the sludge that can happen occasionally penetrate into cause aeration head block problem, it is also possible to because bonding it is insecure,
Come off the problem for causing a large amount of gas leakage aerations uneven in aeration process.If therefore traditional blast aeration system occurs above-mentioned each
After the problem of kind, maintenance work is both needed to after cell body is emptied just to carry out, and keeps in repair very inconvenient.This utility model is solved well
This problem.
4th, sewage oxygenation mode of the present utility model, energy consumption is relatively low, and the sewage circulation unit lift of employing is less, 1.2 meters
Requirement can below be met, the sewage circulation unit is preferably that flow is big, lift is low, efficiency high axial-flow pump, the motor of pump
Efficiency is more than 70%, and the reoxygenation efficiency more than 50% of oxygenation filler, system total efficiency is traditional blast aeration more than 35%
2～3 times of the efficiency of (within efficiency 12%).
5th, due to the temperature difference existed between treatment sewage temperature and air themperature, typically more than 5 DEG C.According to
The achievement in research of Halveron, when filler internal-external temperature difference is 5-10 DEG C, air velocity is up to 0.25-0.55m/s between filler.This reality
In new, Water spray density is in 15m3/m2H or so, the exchange capacity of air reaches 900-2000m3/m2H, gas-water ratio is reachable
60-130 times.And common aerator aeration system, gas-water ratio is between 5-20.Gas-water ratio of the present utility model is traditional drum
More than 3 times of machine aeration, if gas-water ratio is bigger, the oxygen dissolved in water is more, and oxygenation is more abundant.
6th, in this utility model, because the temperature difference of air and water is larger, the density contrast of filler inner air and outer air compares
Greatly, under cross-ventilation effect, the air of filler hole flows fast through filler, water and air carry out on its contact surface mass transfer and
Heat transfer, improves mass-transfer efficiency.
7th, from the oxygenation filler that specific surface area is big and rough in this utility model, specific surface area is big and surface is thick
It is rough to can ensure that increase sewage and air mass transfer area and time, make dissolved oxygen fully diffusion and contact in sewage.Filler table
The coarse structure in face can reduce flow velocity, increase time of contact.Additionally, in use, a small amount of life can be typically grown on filler
Thing film, biomembranous presence can increase purification of water quality speed and reoxygenation speed.But it is easily stifled when biomembranous thickness is blocked up
The hole of plug oxygenation filler, therefore, when biofilm thickness is more than 2mm, need to carry out high flux flushing to oxygenation filler, to protect
The good flux of card filler.
8th, the oxygenation filler in this utility model is inclined and mounted on the top of Aerobic Pond, incline the angle installed with level
Direction is optimal in 5-70 °.Because inclined installation angle is less, water velocity is slower, and oxygenation more fully, and can be inclined and install
Angle is larger when tending to vertical, and water velocity is very fast, and oxygenation is less, affects oxidation effect.But inclined installation angle is too small, hold
The deposition of precipitate in sewage is easily caused, the hole of oxygenation filler is blocked, therefore angle of inclination is arranged on into 5-70 ° and more close
It is suitable, under this setting angle, the oxygen in air can be made to be diffused rapidly in water, nor easily cause the stifled of oxygenation filler
Plug.
9th, additionally, on oxygenation filler surface of the present utility model, when water flows downward, current can be in the table of oxygenation filler
Face is presented filminess (flow plane) so that current are larger with the contact area of air, and the time of staying is longer；And filled out by oxygenation
When water outlet (oxygenated water) after material oxygenation enters Aerobic Pond bottom by reflux, during drop, can carry a large amount of secretly
Bubble is entered in pond, further increases dissolved oxygen.And Aerobic Pond cell body bottom hydraulic pressure is larger, the dissolution velocity of air pocket can be added,
Oxygen is further dissolved in sewage, while current have stronger disturbance and stirring action to biological sludge in pond, make
Microorganism load it is more uniform, also can Synchronous lifting Aerobic Pond removal efficiency.
10th, traditional sewage disposal oxygenation mode is compared, what this utility model also had another advantage is that, in oxygen supplement
During can exchange heat homoiothermic, control temperature of the microorganism in cesspool in suitable growth (between 15-30 DEG C).
When this utility model is used to process hot waste water, hot waste water is entered after system, and hot waste water is by with water system
System is promoted to the top of Aerobic Pond, is acted on by spray, makes sewage flow from top to bottom on oxygenation filler, in the same of oxygen supplement
When, can play a part of to lower the temperature to sewage to carry out good heat transfer with air.
And in the higher area of temperature, this utility model is also applied for the oxygenation of low-temperature wastewater (7-10 DEG C) and heated up
Journey, equally after low-temperature wastewater enters system, low-temperature wastewater is promoted to the top of Aerobic Pond by water distribution system, is made by spraying
With, make sewage flow from top to bottom on oxygenation filler, while oxygen supplement, can be risen with carrying out good heat transfer with air
To the effect heated up to sewage, the temperature for enabling sewage is warming up to the temperature of microorganism suitable growth during natural mass transfer
(15-30℃)。
Therefore this top-down mass transfer, the mode of heat transfer, can not consume other heat energy by natural heat-exchange homoiothermic
On the premise of, by the temperature control of sewage in suitable temperature the microorganism in treatment tank can be made in suitable temperature
Lower growth, so as to improve the disposal ability for the treatment of tank.
In sum, this utility model is that a kind of energy consumption is low, oxidation effect is good, easy to operate, is easy to maintenance, and can increased
The sewage disposal oxygenating system of heat exchange homoiothermic during oxygen.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of the sewage oxygenating system of this utility model embodiment 1；
Fig. 2 is the structural representation of the traditional air blast aeration aerating system of embodiment 2；
Description of reference numerals：
In sewage oxygenating system of the present utility model：Aerobic Pond 1；Sewage circulation unit 2；Water distribution system 3；Valve 31；
Oxygenation filler 4；Reflux 5；Dividing plate 6；
In traditional air blast aeration aerating system：Aerobic Pond 1 '；Aeration head 2 '；Aerated conduit system 3 '；Aerator 4 '.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrated to utility model, but it is not limited to model of the present utility model
Enclose.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of sewage oxygenating system, including：Aerobic Pond 1, sewage circulation unit 2, match somebody with somebody
Water system 3, oxygenation filler 4, reflux 5 and dividing plate 6；
1 point by Aerobic Pond of dividing plate 6 is race way and oxygenation zone, and sewage circulation unit 2 is located in race way, reflux 5
Stretch in oxygenation zone；Water distribution system 3 connects sewage circulation unit 2, by sewage lifting to oxygenation filler 4；Oxygenation filler 4 is located at
The top of oxygen pond 1, reflux 5 is located at the lower section of oxygenation filler 4.
Water distribution system 3 includes water distribution pipeline and valve 31 in this utility model, and valve 31 is mainly used in controlling distributed water flow.
Water distribution system 3 also includes spray equipment, and the spray equipment can be to be arranged on the spray head of water distribution pipeline end or uniform
The through hole being arranged in water distribution pipe outer wall, it is ensured that sewage is equably sprayed at oxygenation filler surface.
In the present embodiment, oxygenation filler 4 selects specific surface area big and shaggy filler, and its material is that chemical property is steady
The fixed, macromolecular material (such as fiberglass, PVC) of lighter in weight, for example：For the filler of water-cooling tower.It is preferred that hexagon cellular is filled out
Material.
Oxygenation filler 4 is inclined and mounted on the top of Aerobic Pond 1, and it is to be in 10-60 ° with horizontal direction to incline the angle installed
Properly.Because inclined installation angle is less, water velocity is slower, and oxygenation can be more abundant；And inclined installation angle is larger tends to
When vertical, water velocity is very fast, and oxygenation is less, affects oxidation effect.But inclined installation angle is too small, in easily causing sewage
The deposition of precipitate, blocks the hole of oxygenation filler, therefore angle of inclination is arranged on into 10-60 ° of more suitable, this established angle
Under degree, the oxygen in air can be made to be diffused rapidly in water, nor easily cause the blocking of oxygenation filler.
When the filler of oxygenation filler 4 is installed, nearer with the cell body of Aerobic Pond 1, packed height is less, sewage circulation unit 2
Lifting energy consumption is lower, and the tilt length of filler is preferably 1 meter to 3 meters.The vertical height of filler presses tilt length and angle of inclination
It is determined that.
From the oxygenation filler 4 that specific surface area is big and rough in the present embodiment, because its specific surface area is big and table
Face is coarse to can ensure that increase sewage and air mass transfer area and time, makes dissolved oxygen fully diffusion and contact in sewage.Fill out
The coarse structure on material surface can reduce flow velocity, increase time of contact.Additionally, in use, typically can grow on filler few
Amount biomembrane, biomembranous presence can increase purification of water quality speed and reoxygenation speed.But when biomembranous thickness is blocked up, hold
The hole of oxygenation filler is easily blocked, therefore, when biofilm thickness is more than 2mm, need to carry out high flux flushing to oxygenation filler,
To ensure the good flux of filler.
Preferably flow is big, lift is low, efficiency high axial-flow pump for sewage circulation unit 2 in the present embodiment.Effluent cycle
Device 2 is used to for sewage to pump into water distribution system 3 by sewage lifting to oxygenation filler 4, and below 1.2 meters of lift requirement can be met.
In the present embodiment, the cell body of Aerobic Pond 1 is preferably Reinforced Concrete Structure or steel construction.
The aerobic process of above-mentioned sewage oxygenating system is as follows：
S1, first, Aerobic Pond 1 is promoted to using the sewage circulation unit 2 in Aerobic Pond 1 by sewage by water distribution system 3
The oxygenation filler 4 of top, and sewage is evenly distributed on oxygenation filler 4；
The hole and surface of S2 and then sewage along oxygenation filler 4, flows from top to bottom, during drainage flow, profit
Poor with the atmospheric density inside and outside the temperature difference and oxygenation filler 4 of air and sewage, sewage is carried out with air on its contact surface
Mass transfer and heat transfer, while giving sewage oxygenation using oxygenation filler 4, the temperature adjustment of sewage are made to fitting by the heat transfer with air
Close the temperature of growth of microorganism；
S3, the oxygenation sewage flowed out from oxygenation filler 4 flow to the reflux 5 for being arranged on the lower section of oxygenation filler 4, by returning
Stream device 5 is flowed back in Aerobic Pond 1, completes the aerobic process of sewage；
Due to arranging dividing plate in Aerobic Pond 1,1 point by Aerobic Pond of the dividing plate 6 is race way and oxygenation zone, and effluent cycle is filled
Put 2 to be located in race way, reflux 5 is stretched in oxygenation zone, therefore can prevent short stream.
In step S1：Distributed water flow is controlled particular by the valve 31 of water distribution system 3, while using water distribution system 3
Spray equipment makes sewage equably be sprayed at the surface of oxygenation filler 4.
Embodiment 2：Comparative example
As shown in Fig. 2 the present embodiment provides a kind of traditional blast aeration oxygenating system, including：Aerobic Pond 1 ', aeration head
2’；Aerated conduit system 3 '；Aerator 4 '.
Traditional blast aeration oxygenating system, is that the aeration positioned at the bottom of Aerobic Pond 1 ' is pumped air into using aerator 4 '
Tubing 3 ', then by aeration head 2 ' by air aeration to the sewage in Aerobic Pond 1 ', realize sewage oxygenation.
The lift of aerator 4 ' needed for the present embodiment is larger, and generally the depth of water adds aerating pipelines SR, and traditional
The pond of Aerobic Pond 1 ' is generally 4-5 rice deeply, therefore blast needed for aerator 4 ' is 5-7 rice lifts.Bubble (air) is entered in pond
Behind bottom, rapid increase stops in pond and the mass transfer time is shorter, and coefficient of oxygen utilization is relatively low, there was only 8-15% in common engineering application,
In view of the efficiency factor of blower motor, the aggregate efficiency of blast aeration is within 12%.
And the sewage circulation unit 2 of embodiment 1 (this utility model) is used to for sewage to pump into water distribution system 3 by sewage lifting
To oxygenation filler 4, requirement can be met below 1.2 meters of lift, the electric efficiency of pump can reach more than 70%, oxygenation filler 4
Reoxygenation efficiency more than 50%, system total efficiency more than 35%, be traditional blast aeration (within efficiency 12%) efficiency 2～
3 times.Therefore, to compare traditional sewage oxygenating system energy consumption lower for the system.
Additionally, the component such as the aerated conduit system 3 ' of the aerating system in embodiment 2 (traditional) and aeration head 2 ' is placed in
The pond of Aerobic Pond 1 ' inner bottom part, because the working environment of aeration head 2 ' is more severe, the sludge that can happen occasionally penetrates into and causes aeration head 2 '
The problem of blocking, it is also possible to because bonding is insecure, come off the problem for causing a large amount of gas leakage aerations uneven in aeration process.When
If traditional blast aeration system occurs after above-mentioned various problems, maintenance work is both needed to after cell body is emptied just to carry out, maintenance
It is very inconvenient.And its equipment of the sewage oxygenating system of offer is all placed in more than the water surface in embodiment 1 (this utility model), if
After there are the problems referred to above, it is not necessary to which emptying cell body can also carry out maintenance work, it is easy to maintenance and maintenance.
Additionally, the sewage oxygenating system that embodiment 1 (this utility model) is provided compares the air blast that traditional embodiment 2 is provided
Aeration aerating system, also has the advantage that：
(1) in aerobic process, due to the temperature difference existed between treatment sewage temperature and air themperature, typically 5
More than DEG C.According to the achievement in research of Halveron, when filler internal-external temperature difference is 5-10 DEG C, air velocity is up to 0.25- between filler
0.55m/s.In this utility model (embodiment 1), Water spray density is in 15m3/m2H or so, the exchange capacity of air reaches 900-
2000m3/m2H, gas-water ratio is up to 60-130 times.And common aerator aeration system (embodiment 2), gas-water ratio is between 5-20
Between.Gas-water ratio of the present utility model is more than 3 times of traditional drum machine aeration, and if gas-water ratio is bigger, the oxygen dissolved in water is got over
Many, oxygenation is more abundant.
(2) in embodiment 1, because the temperature difference of air and water is larger, the density contrast of the inner air and outer air of oxygenation filler 4 compares
Greatly, under cross-ventilation effect, the air of the hole of oxygenation filler 4 flows fast through filler, and water is carried out with air on its contact surface
Mass transfer and heat transfer, improve mass-transfer efficiency.
(3) in embodiment 1, the surface of oxygenation filler 4, when water flows downward, current can be on the surface of oxygenation filler 4
Existing filminess (flow plane) so that current are larger with the contact area of air, and the time of staying is longer；And by oxygenation filler 4
When water outlet (oxygenated water) after oxygenation enters 1 bottom of Aerobic Pond by reflux 5, during drop, can carry a large amount of secretly
Bubble is entered in pond, further increases dissolved oxygen.And the cell body bottom hydraulic pressure of Aerobic Pond 1 is larger, the dissolution velocity of air pocket can be added,
Oxygen is further dissolved in sewage, while current have stronger disturbance and stirring action to biological sludge in pond, make
Microorganism load it is more uniform, also can Synchronous lifting Aerobic Pond 1 removal efficiency.
(4) traditional sewage disposal oxygenation mode (embodiment 2) is compared, it is another that this utility model (embodiment 1) also has
One advantage is exactly that can exchange heat homoiothermic in oxygenation process, controls temperature of the microorganism in cesspool in suitable growth
(between 15-30 DEG C).
When for processing hot waste water, hot waste water is entered after system, and hot waste water lifts most intimate friend by water distribution system 3
The top in oxygen pond 1, is acted on by spray, makes sewage flow from top to bottom on oxygenation filler 4, while oxygen supplement, can be with
Good heat transfer is carried out with air, plays a part of to lower the temperature to sewage.
And in the higher area of temperature, this utility model is also applied for the oxygenation of low-temperature wastewater (7-10 DEG C) and heated up
Journey, equally after low-temperature wastewater enters system, low-temperature wastewater is promoted to the top of Aerobic Pond 1 by water distribution system 3, by spray
Effect, make sewage flow from top to bottom on oxygenation filler 4, while oxygen supplement, can to carry out good heat transfer with air,
Play a part of to be heated up to sewage, the temperature for enabling sewage is warming up to the temperature of microorganism suitable growth during natural mass transfer
Degree (15-30 DEG C).
Therefore this top-down mass transfer, the mode of heat transfer, can not consume other heat energy by natural heat-exchange homoiothermic
On the premise of, by the temperature control of sewage in suitable temperature the microorganism in treatment tank can be made in suitable temperature
Lower growth, so as to improve the disposal ability for the treatment of tank.
To sum up, this utility model (embodiment 1) compares traditional blast aeration oxygenating system (embodiment 2) with energy consumption
Low, oxidation effect is good, easy to operate, is easy to maintenance, and the advantage of the homoiothermic that can exchange heat in oxygenation process.
Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Simply illustrate principle of the present utility model, this utility model can also on the premise of without departing from this utility model spirit and scope
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed this utility model.This utility model will
Protection domain is asked to be defined by appending claims and its equivalent.
Claims (7)
1. a kind of sewage oxygenating system, it is characterised in that include：
Aerobic Pond, sewage circulation unit, water distribution system, oxygenation filler, reflux and dividing plate；
Aerobic Pond is divided into race way and oxygenation zone by the dividing plate, and sewage circulation unit is located in race way, and reflux is stretched into
In oxygenation zone；The water distribution system connects sewage circulation unit, by sewage lifting to oxygenation filler；The oxygenation filler is located at
Oxygen pond top, reflux is located at oxygenation filler lower section.
2. a kind of sewage oxygenating system according to claim 1, it is characterised in that
The water distribution system includes water distribution pipeline and valve；
The water distribution system also include spray equipment, the spray equipment can be arranged on water distribution pipeline end spray head or
Person's perforated pipe or distribution channel.
3. a kind of sewage oxygenating system according to claim 1, it is characterised in that
The oxygenation filler is the big filler of specific surface area, and described filler is macromolecular material material.
4. a kind of sewage oxygenating system according to claim 1, it is characterised in that
The top for being inclined and mounted on Aerobic Pond of the oxygenation filler, it is in 5-70 ° with horizontal direction to incline the angle installed.
5. a kind of sewage oxygenating system according to claim 1, it is characterised in that
The sewage circulation unit is for flow is big, lift is low, efficiency high axial-flow pump, screw pump or air-lift device.
6. a kind of sewage oxygenating system according to claim 1, it is characterised in that
The reflux can also, air-lift device of efficiency high little for lift, screw pump.
7. a kind of sewage oxygenating system according to claim 1, it is characterised in that
The cell body of the Aerobic Pond is Reinforced Concrete Structure or steel construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115281.6U CN206089170U (en) | 2016-10-12 | 2016-10-12 | Sewage system of oxygenating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115281.6U CN206089170U (en) | 2016-10-12 | 2016-10-12 | Sewage system of oxygenating |
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| Publication Number | Publication Date |
|---|---|
| CN206089170U true CN206089170U (en) | 2017-04-12 |
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ID=60414141
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621115281.6U Active CN206089170U (en) | 2016-10-12 | 2016-10-12 | Sewage system of oxygenating |
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| CN (1) | CN206089170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379990A (en) * | 2016-10-12 | 2017-02-08 | 北京华夏大禹科技有限公司 | Sewage oxygen charging system and oxygen charging method |
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2016
- 2016-10-12 CN CN201621115281.6U patent/CN206089170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379990A (en) * | 2016-10-12 | 2017-02-08 | 北京华夏大禹科技有限公司 | Sewage oxygen charging system and oxygen charging method |
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