CN105366799B - A kind of cage type biological filler sewage-treatment plant and its method of work and application - Google Patents
A kind of cage type biological filler sewage-treatment plant and its method of work and application Download PDFInfo
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- CN105366799B CN105366799B CN201510930121.0A CN201510930121A CN105366799B CN 105366799 B CN105366799 B CN 105366799B CN 201510930121 A CN201510930121 A CN 201510930121A CN 105366799 B CN105366799 B CN 105366799B
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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
- C02F3/02—Aerobic processes
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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
- C02F3/28—Anaerobic digestion processes
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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
Abstract
The present invention relates to a kind of cage type biological filler sewage-treatment plant and its method of work and applications, belong to field of biological sewage treatment.Device includes the net cage of reticular structure, net cage includes side wall, partition board, head cover and net cage bottom, net cage bottom is equipped with chassis, head cover is flexibly connected with side wall, side wall is equipped at least one boss, and chassis is equipped at least one clamping piece, and partition board is set on boss or in clamping piece, packing area is formed between side wall, chassis and head cover, packing area accommodates various filler；Can packing area be divided into multilayer or inside and outside multi-region up and down using partition board according to demand；Different layers or not same district content receive various filler, and filler can arrange that combination free degree is high with the assembled state to suspend with stacking states, suspended state or accumulation.Technical scheme of the present invention solves the problems, such as that filler distribution is uneven in treatment tank, can accommodate various filler, easy for installation, does not need to supporting rack especially, placement location is flexible, easy to remove.
Description
Technical field：
The present invention relates to a kind of cage type biological filler sewage-treatment plant and its method of work and applications, belong to sewage life
Object process field.
Background technology：
Sewage Biological Treatment is the vital movement using microorganism, to being in the pollutant of solubilised state or colloidal state in sewage
Degrade, so as to make a kind of processing method purified the sewage, it be Modern sewage handle most widely used method it
One.
According to microorganism state in which in treatment tank, Sewage Biological Treatment can be divided into suspension growth technique and fixation
Two major class of growth technique.Application activated sludge process the most universal is typical suspension growth technique at present, in the process, micro-
In water sludge bulking and sludge loss easily occur for biological suspension, and recycle microorganism from outflow water and reused
It is more difficult.And fixed growth technique is that microorganism is fixed on filler using immobilization technology, makes its fixation growth.It is fixed
Microorganism concn is high in growth technique, has stronger adaptability to the variation of sewage quality, water, sludge bulking will not occur,
Sludge yield is few and is easy to separation of solid and liquid, and is conducive to the removal of ammonia nitrogen and high concentration organic contaminant.Therefore, fixed growth
Technique is rising dirty water living creature processing technique.At present, typical fixed growth technique has biofilter and contact
Oxidizing process etc..
In fixed growth technique, water treatment filler is the core of sewage disposal, the direct shadow of quality of carrier performance
It rings to wastewater treatment efficiency, cost of investment and operating costs.It is broadly divided at present applied to the biologic packing material of sewage disposal inorganic
Two major class of filler and organic filler.Inorganic filler mainly has haydite, zeolite, anthracite, slag etc., is generally positioned over stacked
Among treatment tank, since density is big, it will not drift about in the water, but inorganic filler specific surface area is small, resistance is big, easily blocks,
Operating cost is higher.Organic filler mainly have the honeycomb tubulose that the materials such as polyethylene, polyurethane are processed into, spherical shape, cube or
Cylindrical pad.Organic filler large specific surface area, resistance is small, is not easy to plug, and can reach preferable water treatment efficiency.However, by
Low in packing density, often in suspended state in treatment tank, flowing of the sewage in treatment tank can lead to filler
It is built up in water outlet, on the one hand, block water outlet, on the other hand, cause water inlet microorganism concn very low, therefore shadow
Water treatment efficiency is rung.
For these problems, there are some to improve device at present, such as Chinese patent document CN204737774U (application numbers：
201520187555.1), disclose a kind of cage type biological carrier and fixed microorganism treating sewage device.Cage type biological
Carrier is made of net cage and the biologic packing material being loaded in the net cage；Wherein, the net cage is half-headed cuboid,
Side and bottom surface are equipped with the mesh of hollow out.Fixed microorganism treating sewage device, including：Treatment tank, perforated sludge discharge pipe,
Boring aeration pipe, multiple lower support beams, multiple cage type biological carriers, stacking are positioned over described in treatment tank
Lower support beam top and sealing net.But device described in this document is only capable of taking close-packed arrays mode in processing pond, mobile
Maintenance is difficult, and its inner stuffing can only be filled with stacked, it is impossible to be filled out according in water quality condition flexible modulation processing pond
Expect concentration, be easy to cause filler caking, block.
Chinese patent document CN203333385U (application number 201320246937.8) discloses a kind of loading floating type and fills out
The internal circulating fluidized bed sewage treatment equipment of material, including the fluidized-bed reaction pond being connected with intake pump, the fluidized-bed reaction
Variable orifice aerating system, floating type PVA fillers and Anti-lost net are respectively arranged in pond；The fluidized-bed reaction pond is with precipitating back
Streaming system is connected.And in the fluid bed sewage treatment equipment described in this document, filler is added directly in fluidized bed reaction tank,
Once system jam, filler pipettes and system overhaul is all extremely difficult.Filler can only take suspension pattern in the equipment, be
Filler is maintained to suspend, enough aeration intensities need to be provided at any time.In addition, the equipment cannot control the motor area of filler in reaction tank
A large amount of accumulations of the filler in water outlet are easily caused in domain, reduce water treatment efficiency, and cause system jams, therefore the office used
It is sex-limited very big.
Invention content：
In view of the deficiencies of the prior art, the present invention, which combines, uses stacked filler and floating filler in sewage disposal system
Advantage and disadvantage, it is proposed that a kind of cage type biological filler sewage-treatment plant for Sewage Biological Treatment.
The present invention also provides application of the method for work and the device using the device in sewage disposal system.
A kind of cage type biological filler sewage-treatment plant, including net cage, the net cage be reticular structure, the net cage packet
Side wall, partition board, head cover and net cage bottom are included, net cage bottom is equipped with chassis, and the head cover is flexibly connected with side wall, and the side wall is set
There is at least one boss, the chassis is equipped at least one clamping piece, and the partition board is set on boss or in clamping piece.Side wall,
Form packing area between chassis and head cover, packing area is accommodating various shapes, property and the filler of state；It can be according to need
It asks, packing area is divided into multilayer or inside and outside multi-region up and down using partition board；In different layers or not same district, a variety of fill out can be accommodated
Material, filler can arrange that combination free degree is high with the assembled state to suspend with stacking states, suspended state or accumulation.
According to currently preferred, the cage type biological filler sewage-treatment plant further includes adjusting apparatus, the tune
Self-contained to be set to reticular structure, adjusting apparatus is connected with side wall by casing.Increase adjusting apparatus, make the present apparatus in actual use
The netted size of the reticular structure of side wall can be quickly adjusted according to demand, and adjustment is more flexible, to rapidly adapt to small ruler
Very little filler, is conveniently replaceable, and saves cost.
According to currently preferred, spatial joint clearance is equipped between the chassis and net cage bottom, the spatial joint clearance is mixed
Close area.To carry out different degrees of mixing to packing area inner stuffing and sewage, mixed zone is the packing area on top for mixed zone
Hybrid power is provided.
It is further preferred that being equipped with mixing arrangement in the mixed zone, the mixing arrangement is aerator or stirring dress
It puts.Aerator includes snorkel and aeration disk.
According to currently preferred, the cage type biological filler sewage-treatment plant further includes handle, and the handle is set
In top side wall, handle is flexibly connected with side wall.Can the present apparatus be moved by handle immediately when needing the mobile present apparatus,
Hand can bear the present apparatus and its weight of inner stuffing, while convenient for the transfer of the present apparatus.Handle can be arbitrary shape, size
Or material, any position at the top of net cage can be installed on, and quantity is flexible.
According to currently preferred, the cage type biological filler sewage-treatment plant further includes pillar, the pillar with
Net cage bottom is connected.Pillar needs can bear the present apparatus and its weight of inner stuffing in water treatment procedure, to support this
Device is stood in treatment tank, and making net cage bottom, there are certain spaces with treatment tank, protect the bottom of the present apparatus, and just
In installation.Pillar can be arbitrary shape, size or material, can be installed on any position of net cage bottom, and quantity is flexible.
A kind of method of work using cage type biological filler sewage-treatment plant is as follows including step：
(1) filler is selected according to cage size；
(2) according to demand, filler is added in net cage, partition board is added, partition board is placed on boss, is added again on partition board
Filler；Or, according to demand, partition board is added, partition board is placed in clamping piece, filler is added in net cage；
(3) head cover is placed at the top of net cage, the present apparatus is placed in sewage disposal system.
A kind of sewage disposal system for applying cage type biological filler sewage-treatment plant, including sewage treatment tank, enters
Water pipe, outlet pipe and cage type biological filler sewage-treatment plant as described above, cage type biological filler sewage-treatment plant
In sewage treatment tank, oral siphon and outlet pipe are connected with sewage treatment tank.
According to currently preferred, the sewage disposal system further includes separative element, and separative element is set on sewage disposal
Slot downstream, separative element are connected with outlet pipe, and separative element includes processing water out and sludge outlet, and dirt is equipped at sludge outlet
Mud return duct and mud discharging pipe, mud return line are connected with sewage treatment tank.The processing water flowed out from sewage treatment tank and work
Property sludge suspension mud-water separation is carried out in separative element, the processing water after separation is through handling water out discharge sewage disposal system
System, the thickened sludge part after separation is back to sewage treatment tank through mud return line, to keep the work in sewage treatment tank
Property sludge concentration, another part by mud discharging pipe discharge sewage disposal system, into subsequent sludge treating system.
It is further preferred that the separative element is sedimentation basin or membrane bioreactor.
According to currently preferred, the oral siphon is set on sewage disposal trench bottom, and the water outlet pipe part is equipped with circulation pipe,
The circulation pipe is connected with sewage disposal trench bottom.Processing water is back to sewage disposal trench bottom via circulation pipe, with oral siphon
In water inlet be sufficiently mixed after, handled again via cage type biological filler sewage-treatment plant；Processing water is set
For cycle, on the one hand high concentration can be diluted, on the other hand can maintain necessary upflow velocity, with to attachment
In on filler biomembrane carry out it is necessary wash away, maintain sewage disposal system it is unobstructed, prevent short stream.
According to currently preferred, the sewage disposal system further includes gas collection unit, the gas collection unit
At the top of sewage treatment tank.Gas collection unit is used to collect the gas generated in reaction process, such as methane, the gas of collection
Body discharges sewage disposal system.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, using technical solutions according to the invention, cage type biological filler sewage-treatment plant may be mounted at sewage
Any position in reason system, is easily installed, and the requirement to sewage disposal system is relatively low, and the adaptability of device and flexibility are more
By force, it and can be moved as needed, to reach preferably treatment effect.
2nd, biologic packing material is defined in sewage disposal system by the present invention by cage type biological filler sewage-treatment plant
Specific region makes the movement locus of biologic packing material be limited to smaller regional space, and filler is all concentrated in net cage, is solved and is filled out
Material blocks the problem of sewage disposal system outlet in sewage disposal system with water movement.
3rd, in technical scheme of the present invention, the size of cage type biological filler sewage-treatment plant is more flexible, and packing area
Different fillers can be filled according to the multiple areas of actual conditions point, filling forms are not fixed, and have combination degree height by oneself, can be according to water
Packing density in matter situation flexible modulation processing pond.
4th, the present invention is mounted with pillar in the net cage bottom of cage type biological filler sewage-treatment plant, eliminates additional
Lower support beam, is easily installed；Handle is installed on top simultaneously, in order to the mobile carrying of device, is easy to sewage disposal system
The repair and maintenance of system.
5th, mixing arrangement is increased between present apparatus net cage bottom and chassis using technical scheme of the present invention, it can be to this
Filler and sewage inside device are mixed, and improve the treatment effeciency of the present apparatus；Simultaneously as aeration dress is carried in device
It puts, is not required to install in sewage disposal system, therefore of less demanding to the construction of sewage disposal system.
6th, in the practical application of the present apparatus, by adjusting the placement number of the present apparatus in sewage disposal system, you can spirit
The concentration of microorganism in sewage disposal system is adjusted livingly；By adjusting relative position of the present apparatus in sewage disposal system,
The microorganism concn of different zones in sewage disposal system can be neatly controlled, for example, by adjusting the position of the present apparatus, it can
Possess maximum microorganism concn at water to ensure that the sewage disposal system in pollutant concentration maximum enters, to improve water process effect
Rate.
7th, technical scheme of the present invention is advantageous to new pond startup, need to only be taken out from existing treatment tank containing spy
The cage type biological filler sewage-treatment plant for determining microorganism puts into new pond, you can new pond is made quickly to start, it is micro- to eliminate cultivation
The complex work of biology, is highly suitable for the sewage disposal stringent to microbe species requirement.
8th, technical scheme of the present invention is suitable for loading various fillers, also suitable for aerobic and anaerobic environment, the scope of application
Extensively.
Description of the drawings
Fig. 1 is the cage type biological filler sewage-treatment plant stereoscopic schematic diagram that filler is floating filler；
Fig. 2 is cage type biological filler sewage-treatment plant side view, and filler is floating filler in figure；
Fig. 3 is the cage type biological filler sewage-treatment plant stereoscopic schematic diagram that filler is stacked filler；
Fig. 4 is upper and lower multiple field cage type biological filler sewage-treatment plant schematic diagram, and filler is suspends and accumulation in figure
Combined stuffing；
Fig. 5 is inside and outside multi-zone cage type biological filler sewage-treatment plant schematic diagram；
Fig. 6 is the structure enlargement diagram at A in Fig. 2；
Fig. 7 is the aerobic sewage disposal system schematic diagram built by cage type biological filler sewage-treatment plant；
Fig. 8 is the up-flow anaerobism sewage disposal system schematic diagram built by cage type biological filler sewage-treatment plant；
Wherein, 1, net cage, 2, side wall, 3, chassis, 4, head cover, 5, filler, 6, handle, 7, pillar, 8, snorkel, 9, aeration
Disk, 10, mixed zone, 11, adjusting apparatus, 12, casing, 13, boss, 14, clamping piece, 15, sewage treatment tank, 16, oral siphon,
17th, outlet pipe, 18, separative element, 19, mud return line, 20, mud discharging pipe, 21, processing water out, 22, circulation pipe, 23,
Gas collection unit, 24, partition board.
Specific embodiment
The present invention is explained further below by way of specific embodiment and with reference to attached drawing.It should be understood that these embodiments are only used
In illustrating the present invention rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention,
Those skilled in the art can make the present invention various changes or modification, and such equivalent forms equally fall within right appended by the application
Claim limited range.
Embodiment 1
A kind of cage type biological filler sewage-treatment plant, including net cage, net cage is reticular structure, net cage include side wall,
Partition board, head cover and net cage bottom, net cage bottom are equipped with chassis, and head cover is flexibly connected with side wall, shape between side wall, chassis and head cover
Into packing area, packing area is accommodating the filler for being attached with microorganism of various shapes, property and state；In the present embodiment, side
Wall is equipped with 8 boss, and chassis is equipped with 1 clamping piece, and partition board is set on boss, then the present embodiment is divided packing area using partition board
For upper and lower multilayer；A variety of fillers can be accommodated in different layers, filler can be with stacking states, suspended state or accumulation and suspension
Assembled state arranges, as shown in Figs 1-4, filler in Fig. 1, Fig. 2 is floating filler, and the filler in Fig. 3 is stacked filler,
Filler in Fig. 4 to suspend and accumulation combined stuffing, suspend with accumulation depend primarily on that filler fills number, if in layer
Fill more filler, then filler in operation due to density height, filler limitation of movement, in heaped-up；If in layer filling compared with
Few filler, then for filler since density is small in operation, the degree of filler limitation of movement is small, so can root in suspension
Design is combined according to different situations, combination free degree is high.
The shape of device can be cuboid or other shapes, and the size of device can handle pool size spirit according to actual sewage
Living to determine, in the present embodiment, device is cuboid, and length, width and height ratio is 1:1:2.Web materials, it is modeling to include but not limited to
One kind in material, metal or glass fiber material, such as high density polyethylene (HDPE), polyurethane and polyamide etc., in the present embodiment, net
Case is made of the high density polyethylene (HDPE) of certain size of mesh opening.Web materials, size of mesh opening should be less than its inside and load material
Size, to retain filler.
Filler of the present invention includes but not limited to be that textile cloth, Ball-type packing, cube filler or cylinder are filled out
Material or its several mixture；The filler, can be organic filler or inorganic filler, for example, by polypropylene, polyurethane,
The inorganic fillers such as organic filler or haydite, activated carbon made from high density polyethylene (HDPE), polyethylene, polyamide etc..Filler is current
It is used for preparing the conventional material of filler on the market, in the net cage of the present invention, can uses as the filler prepared by these materials
One kind or mixing, can.Which kind of determined using the filler of material by user oneself, and the feature institute of non-present invention
.
In the present embodiment, filler is the spherical polyethylene of a diameter of 8cm, and the size of mesh opening of net cage is fixed as 7cm, to cut
Stay filler.In use, first putting into filler, then the partition board of interlayer is installed, partition board is placed on boss, then put into filler, so
Repeatedly, until filling is to desired height or density, net cage is placed in sewage disposal system by last top cover, you can is carried out
Operation.
Embodiment 2
A kind of cage type biological filler sewage-treatment plant, as described in Example 1, difference lies in chassis is equipped with 4 to structure
A clamping piece, partition board are set in clamping piece, and clamping piece is female member, and partition board is located at the recess of clamping piece, and clamping piece is to fixation
Partition board, packing area is divided into inside and outside twoth area by the present embodiment using partition board, as shown in figure 5, can not accommodate a variety of fill out in same district
Material for the pattern of the rushton turbine as the present embodiment, generally no longer does layered shaping up and down, otherwise internal partition is steady
It is qualitative not high.
Embodiment 3
A kind of cage type biological filler sewage-treatment plant, as described in Example 1, difference lies in top side walls for structure
The high density polyethylene (HDPE) knop that an internal diameter is 8cm is respectively provided with along four corners, to facilitate net cage in sewage disposal system
Placement and movement in system.
Embodiment 4
A kind of cage type biological filler sewage-treatment plant, as described in Example 1, difference lies in net cage bottoms for structure
Four corners of lower edge respectively dress there are one a diameter of 4cm, the high density polyethylene (HDPE) cylindrical columns of high 10cm, with support net cage and
Its internal filler accommodated, making net cage bottom, there are certain spaces with treatment tank, protect the bottom of the present apparatus.
Embodiment 5
A kind of cage type biological filler sewage-treatment plant, as described in Example 1, difference lies in chassis and nets for structure
Spatial joint clearance is equipped between bottom portion, the spatial joint clearance is mixed zone, is equipped with mixing arrangement in mixed zone, as shown in Figure 1, Figure 2 institute
Show, mixing arrangement is aerator, and the aeration disk including the snorkel being installed on outside net cage and pipe end of ventilating passes through exposure
Gas mixes the sewage inside net cage and filler, and provides oxygen for microbial degradation pollutant.
Embodiment 6
A kind of cage type biological filler sewage-treatment plant, as described in Example 1, difference lies in cage type lifes for structure
Object filler sewage-treatment plant further includes adjusting apparatus, and the adjusting apparatus is reticular structure, and adjusting apparatus passes through set with side wall
Pipe is connected, as shown in fig. 6, making the side wall of adjusting apparatus and net cage that relative displacement, the then original size of mesh opening of net cage side wall occur
Become smaller, make the present apparatus that can quickly adjust the netted size of reticular structure of side wall according to demand in actual use, with
Small size filler is rapidly adapted to, is conveniently replaceable, saves cost.
Embodiment 7
A kind of method of work using cage type biological filler sewage-treatment plant described in embodiment 1, including step such as
Under：
(1) filler is selected according to cage size；
(2) according to demand, filler is added in net cage, partition board is added, partition board is placed on boss, is added again on partition board
Filler；
(3) head cover is placed at the top of net cage, the present apparatus is placed in sewage disposal system.
Embodiment 8
A kind of method of work of cage type biological filler sewage-treatment plant using described in embodiment 2, including step such as
Under：
(1) filler is selected according to cage size；
(2) according to demand, partition board is added, partition board is placed in clamping piece, filler is added in net cage；
(3) head cover is placed at the top of net cage, the present apparatus is placed in sewage disposal system.
Embodiment 9
A kind of sewage disposal system of cage type biological filler sewage-treatment plant applied described in embodiment 5, including
Cage type biological filler sewage-treatment plant described in sewage treatment tank, oral siphon, outlet pipe, separative element and embodiment 5, net
Box-type biological filler sewage-treatment plant is located in sewage treatment tank, and oral siphon and outlet pipe are connected with sewage treatment tank, dirty
The composition structure of water treatment system is as shown in Figure 6.
Separative element is sedimentation basin, and separative element is set on sewage treatment tank downstream, and separative element is connected with outlet pipe, detaches
Unit includes processing water out and sludge outlet, and mud return line and mud discharging pipe, mud return line are equipped at sludge outlet
It is connected with sewage treatment tank.Muddy water is carried out in separative element from the processing water that sewage treatment tank flows out and activated sludge suspension
Separation, the processing water after separation is through handling water out discharge sewage disposal system, and the thickened sludge part after separation is through sludge
Return duct is back to sewage treatment tank, and to keep the activated sludge concentration in sewage treatment tank, another part passes through mud discharging
Pipe discharges sewage disposal system, into subsequent sludge treating system.
In the present embodiment, according to the content of organic matter in treatment sewage type and sewage, 3 nets that filler is housed are selected
Case is evenly arranged in sewage disposal system, is positioned in sewage treatment tank, and sewage enters sewage treatment tank through oral siphon.Net cage
Middle type, size and the arrangement for loading material can be designed according to sewage property and sewage disposal system and flexibly be selected
It selects.In general, the filler in sewage disposal system described in the present embodiment is arranged with suspended state, installed in the mixed zone of net cage bottom
There is aerator, sewage in net cage and filler can be mixed, and oxygen is provided for microbial degradation pollutant.
Embodiment 10
A kind of sewage disposal system, as described in Example 9, difference lies in separative element is membrane bioreactor to structure.
Embodiment 11
Cage type biological filler sewage-treatment plant described in embodiment 1 can be applied in anaerobism sewage disposal system,
Form up-flow anaerobism sewage disposal system as shown in Figure 7.It is dirty that one kind applies cage type biological filler described in embodiment 1
The sewage disposal system of water treatment facilities, including sewage treatment tank, oral siphon, 1 institute of outlet pipe, gas collection unit and embodiment
The cage type biological filler sewage-treatment plant stated, cage type biological filler sewage-treatment plant are located at sewage treatment tank, enter water
Pipe and outlet pipe are connected with sewage treatment tank, and gas collection unit is set at the top of sewage treatment tank, and gas collection unit is used for
Collect the gas generated in reaction process, such as methane, the gas discharge sewage disposal system of collection.
In the present embodiment, it is equipped with 1 net cage in sewage treatment tank, for net cage itself without pillar and mixed zone, utilization is netted
Material, the net cage make its vertical height be divided into three parts, from the bottom to top, in net cage by 8 boss and two partition boards
The filler size of filling is sequentially reduced, and is all arranged with stacked.
Oral siphon is set on sewage disposal trench bottom, and the water outlet pipe part is equipped with circulation pipe, the circulation pipe and sewage disposal
Trench bottom is connected.Processing water is back to sewage disposal trench bottom via circulation pipe, is sufficiently mixed with the water inlet in oral siphon
Afterwards, it is handled again via cage type biological filler sewage-treatment plant；Processing water is set as recycling, it on the one hand can be to height
Concentration is diluted, and on the other hand can maintain necessary upflow velocity, to be carried out to the biomembrane being attached on filler
It is necessary to wash away, it maintains sewage disposal system unobstructed, prevents short stream.The processing in sewage disposal system described in the present embodiment
Water, in addition to the part of sewage disposal trench bottom is back to via circulation pipe, remainder is via outlet pipe discharge sewage disposal system
System.
Claims (9)
1. a kind of cage type biological filler sewage-treatment plant, including net cage, which is characterized in that the net cage is reticular structure,
The net cage includes side wall, partition board, head cover and net cage bottom, and net cage bottom is equipped with chassis, and the head cover is flexibly connected with side wall,
The side wall is equipped at least one boss, and the chassis is equipped at least one clamping piece, and the partition board is set on boss or clamps
In part；
The cage type biological filler sewage-treatment plant further includes adjusting apparatus, and the adjusting apparatus is reticular structure, is adjusted
Device is connected with side wall by casing.
2. cage type biological filler sewage-treatment plant according to claim 1, which is characterized in that the chassis and net cage
Spatial joint clearance is equipped between bottom, the spatial joint clearance is mixed zone, and mixing arrangement, the mixing dress are equipped in the mixed zone
Aerator or agitating device are set to, aerator includes snorkel and aeration disk.
3. cage type biological filler sewage-treatment plant according to claim 1, which is characterized in that the cage type biological
Filler sewage-treatment plant further includes handle, and the handle is set on top side wall, and handle is flexibly connected with side wall.
4. cage type biological filler sewage-treatment plant according to claim 1, which is characterized in that the cage type biological
Filler sewage-treatment plant further includes pillar, and the pillar is connected with net cage bottom.
5. a kind of method of work using cage type biological filler sewage-treatment plant described in claim 1, including step such as
Under：
（1）Filler is selected according to cage size；
（2）According to demand, filler is added in net cage, partition board is added, partition board is placed on boss, adds and fills out again on partition board
Material；Or, according to demand, partition board is added, partition board is placed in clamping piece, filler is added in net cage；
（3）Head cover is placed at the top of net cage, the present apparatus is placed in sewage disposal system.
6. a kind of sewage disposal system, which is characterized in that including described in sewage treatment tank, oral siphon, outlet pipe and claim 1
Cage type biological filler sewage-treatment plant, cage type biological filler sewage-treatment plant is located in sewage treatment tank, enters water
Pipe and outlet pipe are connected with sewage treatment tank.
7. sewage disposal system according to claim 6, which is characterized in that it is single that the sewage disposal system further includes separation
Member, separative element are set on sewage treatment tank downstream, and separative element is connected with outlet pipe, and separative element includes processing water out and dirt
Mud exports, and is equipped with mud return line at sludge outlet and mud discharging pipe, mud return line are connected with sewage treatment tank, described point
It is sedimentation basin or membrane bioreactor from unit.
8. sewage disposal system according to claim 6, which is characterized in that the oral siphon is set on sewage disposal slot bottom
Portion, the water outlet pipe part are equipped with circulation pipe, and the circulation pipe is connected with sewage disposal trench bottom.
9. sewage disposal system according to claim 8, which is characterized in that the sewage disposal system further includes gas receipts
Collect unit, the gas collection unit is set at the top of sewage treatment tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930121.0A CN105366799B (en) | 2015-12-11 | 2015-12-11 | A kind of cage type biological filler sewage-treatment plant and its method of work and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930121.0A CN105366799B (en) | 2015-12-11 | 2015-12-11 | A kind of cage type biological filler sewage-treatment plant and its method of work and application |
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| Publication Number | Publication Date |
|---|---|
| CN105366799A CN105366799A (en) | 2016-03-02 |
| CN105366799B true CN105366799B (en) | 2018-06-12 |
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