CN207845430U - A kind of tower Sewage Biological Treatment equipment - Google Patents
A kind of tower Sewage Biological Treatment equipment Download PDFInfo
- Publication number
- CN207845430U CN207845430U CN201721715282.9U CN201721715282U CN207845430U CN 207845430 U CN207845430 U CN 207845430U CN 201721715282 U CN201721715282 U CN 201721715282U CN 207845430 U CN207845430 U CN 207845430U
- Authority
- CN
- China
- Prior art keywords
- mixed liquor
- air cell
- section
- solarization air
- aeration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 53
- 238000006243 chemical reaction Methods 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000005273 aeration Methods 0.000 claims description 68
- 238000005192 partition Methods 0.000 claims description 62
- 239000007788 liquid Substances 0.000 claims description 61
- 238000005276 aerator Methods 0.000 claims description 40
- 238000000605 extraction Methods 0.000 claims description 31
- 238000000926 separation method Methods 0.000 claims description 30
- 239000000284 extract Substances 0.000 claims description 26
- 238000009826 distribution Methods 0.000 claims description 23
- 206010021143 Hypoxia Diseases 0.000 claims description 21
- 230000007954 hypoxia Effects 0.000 claims description 21
- 230000004044 response Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 17
- 239000012141 concentrate Substances 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000005204 segregation Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 26
- 238000004062 sedimentation Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 48
- 239000010802 sludge Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000006228 supernatant Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 210000001364 upper extremity Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model is related to a kind of tower Sewage Biological Treatment equipment, including anaerobic reaction room, solarization air cell and mud chamber, solarization air cell is located at the top of the top of anaerobic reaction room and solarization air cell bottom simultaneously as anaerobic reaction room, mud chamber is located at the top of the top of solarization air cell and mud chamber bottom simultaneously as solarization air cell, the survey wall of wherein anaerobic reaction room, solarization air cell and mud chamber collectively forms cylindrical tower body, and tower body is spliced by polylith enamelled pressed steel；Mud chamber bottom is the inversed taper platform shape structure being spliced by polylith sector enamelled pressed steel, and there is strength lifting device at the middle part at sedimentation basin bottom by flanged joint.Strength lifting device described in the Sewage Biological Treatment equipment utilization of the utility model simplify structure and process, improve work efficiency with reliability, improve water outlet yield and water quality, and increase the convenience of device context installation.
Description
Technical field
The utility model is related to water treatment field, more particularly to a kind of tower Sewage Biological Treatment equipment.
Background technology
It is usually promoted using water pump or gas in Sewage Biological Treatment or mixed liquor is driven to flow.At saprobia
Air Exposure is required in reason greatly, therefore is promoted using aerating gas or mixed liquor is driven to flow, on the one hand can be made full use of
On the other hand energy contained by aerating gas can also make full use of the oxygen in aerating gas, be advantageously implemented energy-saving, simplified
Structure reduces cost, improves equipment dependability etc..
It is real using aerating gas that Chinese patent application CN103979670A discloses a kind of tower biological sewage treatment device
Existing sludge reflux, can not use sludge reflux pump, and the mixture of airstream and strength liquid lifting means is the mixture of airstream and strength liquid riser, packet
Include the generally vertical extract pipe for drawing the concentration mixed liquor and with the extract fluid communication for will be described
Gas imports the gas-guide tube of the extract pipe, wherein by solarization air cell aerating gas and mixed liquor separation after respectively introduce precipitate
Room, aerating gas are only promoted the concentration mixed liquor of mud chamber lower part by the mixture of airstream and strength liquid lifting means, substantially avoided aeration
Gas mixed liquor in mud chamber is detached to be formed supernatant and concentrate mixed liquor process disturbance, while using aerating gas with
The supernatant that the concentration mixed liquor that big regurgitant volume constantly extracts mud chamber lower part out is also beneficial to reduce in mud chamber is mixed with concentration
The position at the interface between liquid reduces residence time of the sludge in mud chamber, is conducive to prevent or eliminate Mud up-floating.
In addition, the various reaction vessels of sewage disposal device or retort are mostly constructed with armored concrete in the prior art
It forms or is made of steel plate welding, therefore often have project cost high, resettlement can not be dismantled, Corrosion Protection is poor, repair
Maintain the shortcomings of difficulty is big, and service life is short, and operating cost is high.
Therefore, there is still a need for improved tower biological sewage treatment device is to realize higher efficiency, lower cost, more
Stable operation and more convenient and the purpose of efficiently install.
Invention content
One purpose of the utility model is to provide a kind of device to solve aforementioned the problems of the prior art.It is specific and
Speech, the utility model provide following technical scheme.
A kind of tower Sewage Biological Treatment equipment, including anaerobic reaction room, solarization air cell and mud chamber, solarization air cell are located at anaerobism
The top and solarization air cell bottom of reative cell while the top as anaerobic reaction room, mud chamber is located at the top of solarization air cell and sinks
Shallow lake room bottom top as solarization air cell simultaneously, which is characterized in that the survey wall of anaerobic reaction room, solarization air cell and mud chamber collectively forms
Cylindrical tower body, and tower body is spliced by polylith enamelled pressed steel；Mud chamber bottom be by polylith sector enamelled pressed steel splicing and
At inversed taper platform shape structure, there is strength lifting device at the middle part at sedimentation basin bottom by flanged joint.
Further, the solarization air cell bottom is the porous sieve plate being fixed in tower body inner wall, and sieve plate hole is as anaerobic reaction
Mixed liquor outlet is used to the anaerobic reaction mixed liquor in anaerobic reaction room importing solarization air cell.
Further, one or more aerators are equipped in the solarization air cell, the aerator, which is suspended on, is fixed on tower
On the aerator holder of internal wall, between the bottom and solarization air cell bottom of the aerator there is gap to be used for solarization air cell lower part
Mixed liquor imports in aerator.
Further, the strength lifting device includes：Cylinder is set to the aeration mixed liquor extraction tube, dense of inner barrel
Contracting mixed-liquor return pipe and strength mixed liquor riser, be sequentially arranged in from the bottom up the first partition of inner barrel, second partition,
It is extracted as aeration mixed liquor the inner space of third partition board and the 4th partition board, the cylinder limited between first partition and second partition
Section, the inner space of the cylinder limited between second partition and third partition board are concentration mixed liquor extraction section, third partition board and the
The inner space of the cylinder limited between four partition boards is is aerated mixed liquor distribution section, the inner space of cylinder more than 4th partition board
For gas-liquid separation section；
Wherein, the cylinder lateral wall on aeration mixed liquor extraction section top, which is provided with, allows to be aerated the first through hole that mixed liquor enters,
It is taken out in the lower space that the lower end of aeration mixed liquor extraction tube is stretched into aeration mixed liquor extraction section to extract aeration mixed liquor
Take the aeration mixed liquor in section；
Concentration mixed liquor, which extracts the cylinder lateral wall in the middle part of section and is provided with, allows to concentrate the second through-hole that mixed liquor enters, and strength is mixed
It is extracted in section in the lower space that the lower end of conjunction liquid riser is stretched into concentration mixed liquor extraction section to extract concentration mixed liquor
Concentration mixed liquor；
The cylinder lateral wall of aeration mixed liquor distribution pars infrasegmentalis is provided with the third through-hole for allowing to be aerated mixed liquor discharge, and aeration is mixed
It is mixed so that mixed liquor feeding aeration will be aerated in the upper space that the upper end of conjunction liquid extraction tube is stretched into aeration mixed liquor distribution section
It closes liquid and is distributed section；
The upper end of gas-liquid separation section top and atmosphere, the mixture of airstream and strength liquid riser is stretched into gas-liquid separation section to import
The concentration mixed liquor of extraction, so that warp is discharged in the lower space that stretches into gas-liquid separation section of upper end of concentration mixed-liquor return pipe
The concentration mixed liquor of gas-liquid separation；
Wherein, first through hole is located in solarization air cell enters aeration mixed liquor extraction section, the second through-hole to be aerated mixed liquor
Positioned at mud chamber bottom so as to concentrate mixed liquor enter concentration mixed liquor extract section, third through-hole be located at the middle part of mud chamber with
Just aeration mixed liquor enters mud chamber.
Further, the tower Sewage Biological Treatment equipment further includes hypoxia response room, concentration mixed-liquor return pipe
The fluid communication upstream of lower end and hypoxia response room, downstream and the anaerobic reaction room of hypoxia response room are in fluid communication.
Further, aeration mixed liquor extraction tube be one or more root and sequentially pass through from the bottom up second partition and
It third partition board and is fixed on therein at least one.
Further, the middle part of gas-liquid riser is equipped with lift gas entrance to import lift gas.
Further, gas-liquid riser be one or more root and sequentially pass through from the bottom up third partition board and the 4th every
It plate and is fixed on therein at least one.
Further, concentration mixed-liquor return pipe be one or more root and sequentially pass through from top to bottom the 4th partition board,
It third partition board, second partition and first partition and is fixed on therein at least one.
Further, the tower Sewage Biological Treatment equipment further includes blow-down pipe, and the upper end of blow-down pipe is higher than gas-liquid point
Liquid level from the concentration mixed liquor in section, the upper space that the lower end of blow-down pipe is stretched into aeration mixed liquor distribution section will be will to collect
The aerating gas gathered in aeration mixed liquor distribution section is discharged from blow-down pipe.
Term used herein has its well known meaning in the art, however for clarity, still provide
It is defined below.
Term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model, does not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore should not be understood as limiting the present invention.
" basic " or the meaning that " complete " " substantially " is not precluded.Such as an ingredient substantially free Y, can also be
It has been entirely free of Y.In the case where limiting concrete numerical value, refer to the concrete numerical value have based on the concrete numerical value up and down
The range of floating, domain of walker can be +/- the 5% of the concrete numerical value, +/- 4%, +/- 3%, +/- 2%, +/- 1%, it is +/-
0.5%, +/- 0.2%, +/- 0.1%, +/- 0.05%, +/- 0.01% etc..If desired, " basic " or " substantially " can be with
The above domain of walker is replaced or is deleted from the utility model definition.
" containing " had both included the factor mentioned, and also allowed to include additional, uncertain factor.
" about ", " about ", " left and right " in the case where limiting concrete numerical value, refer to the concrete numerical value have with the specific number
The range to float up and down based on value, domain of walker can be +/- the 5% of the concrete numerical value, +/- 4%, +/- 3%, it is +/-
2%, +/- 1%, +/- 0.5%, +/- 0.2%, +/- 0.1%, +/- 0.05%, +/- 0.01% etc..
In the utility model, the numberical range used for simplicity includes not only its endpoint value, also all including it
Subrange and all individual numerical value within the scope of this.For example, numberical range 1-6 includes not only subrange, such as 1-3,1-
4,1-5,2-4,2-6,3-6 etc., also including individual numerical value within the scope of this, such as 1,2,3,4,5,6.
Tower Sewage Biological Treatment equipment according to the present utility model, tower body be by polylith enamel sheet metal overlap it is assembled and
At being fastenedly connected equipped with corresponding connecting hole blending bolt at adjacent enamelled pressed steel edge, and junction embedding (painting) has
Soft sealant layer.It is 50-5000m that the utility model device, which uses thickness to build up volume for the enamelled pressed steel of 2-8mm,3Reaction
Device has the corrosion resistances such as antiacid, alkali and organism, and surface has stronger impact resistance, abrasion resistance, has and applies
The work period is short, and dilatation is convenient, and dismounting resettlement is easy, easy to maintenance, from heavy and light, low cost the advantages that.
In tower Sewage Biological Treatment equipment according to the present utility model, the improvement of strength lifting device, on the one hand letter
The structure and its manufacture and processing technology for having changed each mechanism improve the working efficiency and reliability of each mechanism, installation dimension
It is time saving and energy saving to protect, and is particularly conducive to that strength lifting device is assembled into Sewage Biological Treatment equipment at the scene；On the other hand, it keeps away
Exempt to be aerated interference when mixed liquor enters sedimentation basin to precipitating environment, has improved the deposition efficiency of mud chamber, improve water outlet
Yield and water quality.
Tower Sewage Biological Treatment equipment according to the present utility model, is on the one hand simplified using the strength lifting device
Structure and process, improve work efficiency with reliability, improve water outlet yield and water quality；On the other hand, by equipment point
It at multiple components, manufactures respectively, considerably increases the convenience of device context installation, it is especially uncomfortable in road and site condition
Sewage disposal point along the small watershed river and irrigation canals and ditches that oversize vehicle and engineering machinery enter, effect is especially prominent, is small
The means for providing reality are administered in basin online.
Description of the drawings
Fig. 1 is the structural schematic diagram of tower Sewage Biological Treatment equipment according to the present utility model；
Fig. 2 is the tower body side wall of tower Sewage Biological Treatment equipment according to the present utility model spliced by enamelled pressed steel
Structural schematic diagram；
Fig. 3 is the knot according to the sedimentation basin bottom of the tower Sewage Biological Treatment equipment of the utility model spliced by enamelled pressed steel
Structure schematic diagram；
Fig. 4 is the structural schematic diagram of the strength lifting device of tower Sewage Biological Treatment equipment according to the present utility model.
The meaning of reference numeral therein is as follows：1- water inlet pipes；2- outlet pipes；3- air inlet pipe；4- strength lifting devices；5-
Anaerobic reaction room；6- solarization air cell；The mud chambers 7-；10- cylinders；11- first partitions；12- second partitions；13- third partition boards；14-
4th partition board；21- is aerated mixed liquor and extracts section；22- concentrates mixed liquor and extracts section；23- is aerated mixed liquor distribution section；24- gas-liquids
Segregation section；31- is aerated mixed liquor extraction tube；32- blow-down pipes；33- concentrates mixed-liquor return pipe；34- airlift pipes；35- is carried
Rise gas access；41- first through hole；The second through-holes of 42-；43- third through-holes；51- anaerobic reactions room bottom；52- fourth holes；
53- hypoxia responses room；61- solarization air cell bottom；611- holders；62- fifth holes (gap)；63- anaerobic reaction mixed liquor outlets；
64- vertical vortex aerators；641- aerator holders；65- aerator guide shells；66- collection chambers；The mud chambers 71- bottom；711-
Fan-shaped glassed steel plate；712- seams；713- flanges；72- collection gas bags；73- gas-guide tubes；74- overflow launders；100- tower bodies；101-
Glassed steel plate；102- seams.
Specific implementation mode
Some embodiments of the utility model are further introduced below in conjunction with attached drawing, but are not intended to limit
The scope of protection of the utility model.
Referring to Fig. 1-3, a kind of tower Sewage Biological Treatment equipment according to the present utility model, including anaerobic reaction room 5, exposure
Gas chamber 6 and mud chamber 7, solarization air cell 6 are located at the top of anaerobic reaction room 5 and solarization air cell bottom 61 and are used as anaerobic reaction room 5 simultaneously
Top, mud chamber 7 is located at the top of the top of solarization air cell 6 and mud chamber bottom 71 simultaneously as solarization air cell 6, and feature exists
In the survey wall of anaerobic reaction room 5, solarization air cell 6 and mud chamber 7 collectively forms cylindrical tower body 100, and tower body 100 is by polylith
Enamelled pressed steel 101 is spliced；Mud chamber bottom 71 is the inversed taper platform shape structure being spliced by polylith sector enamelled pressed steel 711,
The middle part at sedimentation basin bottom 71 is connected with strength lifting device 4 by flange 713.
The solarization air cell bottom 61 is the porous sieve plate being fixed on 100 inner wall of tower body, and sieve plate hole 63 is mixed as anaerobic reaction
Liquid outlet is closed to be used to the anaerobic reaction mixed liquor in anaerobic reaction room 5 importing solarization air cell 6.
One or more aerators (including vertical vortex aerator 64 and aerator water conservancy diversion are equipped in the solarization air cell 6
65), the aerator is suspended on the aerator holder 641 for being fixed on 100 inner wall of tower body cylinder, the bottom of the aerator and exposure
It is used to import the mixed liquor of 6 lower part of solarization air cell in aerator as fifth hole 62 with gap between gas chamber bottom 61.
Referring to Fig. 4, according in the tower Sewage Biological Treatment equipment of the utility model, strength lifting device 4 includes：Substantially perpendicular
Straight cylinder 10, the aeration mixed liquor extraction tube 31 being generally vertically set to inside cylinder 10 concentrate 33 and of mixed-liquor return pipe
The mixture of airstream and strength liquid riser 34 is sequentially arranged in first partition 11 inside cylinder 10, second partition 12, third partition board from the bottom up
13 and the 4th partition board 14, the inner space of the cylinder 10 limited between first partition 11 and second partition 12 taken out as aeration mixed liquor
Section 21, the inner space of the cylinder 10 limited between second partition 12 and third partition board 13 is taken to extract section 22 as concentration mixed liquor,
The inner space of the cylinder 10 limited between third partition board 13 and the 4th partition board 14 is is aerated mixed liquor distribution section 23, the 4th partition board
The inner space of 14 or more cylinder 10 is gas-liquid separation section 24；
Wherein, it is logical to be provided with allow aeration mixed liquor to enter first for 10 side wall of cylinder on 21 top of aeration mixed liquor extraction section
Hole 41, the lower end of aeration mixed liquor extraction tube 31 are stretched into the lower space being aerated in mixed liquor extraction section 21 and are aerated to extract
Mixed liquor extracts the aeration mixed liquor in section 21；First through hole 41 can be around the multiple generally vertical of 10 side wall of cylinder setting
Slit or circular hole or square hole or grid, the upper end of slit or close to second partition 12, the lower end of slit is substantially being aerated
Mixed liquor extracts the middle part of section 21, and total overflow section of slit is more than or equal to the overflow section of aeration mixed liquor extraction tube 31, with
Reduce flow resistance；
10 side wall of cylinder that concentration mixed liquor extracts 22 middle part of section is provided with the second through-hole 42 for allowing to concentrate mixed liquor entrance,
It is mixed in the lower space that the lower end of the mixture of airstream and strength liquid riser 34 is stretched into concentration mixed liquor extraction section 22 to extract concentration
Liquid extracts the concentration mixed liquor in section 22；Second through-hole 42 can be around the multiple generally vertical narrow of 10 side wall of cylinder setting
Seam or circular hole or square hole or grid, slit are substantially at the lower part that concentration mixed liquor extracts section 22, and total overflow section of slit is big
In the overflow section equal to the mixture of airstream and strength liquid riser 34, to reduce flow resistance；
10 side wall of cylinder of 23 lower part of aeration mixed liquor distribution section is provided with the third through-hole 43 for allowing to be aerated mixed liquor discharge,
So that mixed liquor will be aerated in the upper space that the upper end of aeration mixed liquor extraction tube 31 is stretched into aeration mixed liquor distribution section 23
It is sent into aeration mixed liquor distribution section 23；Third through-hole 43 can be around the multiple generally vertical narrow of 10 side wall of cylinder setting
Seam or circular hole or square hole or grid, slit can be arranged in any position of aeration mixed liquor distribution section 23；Preferably, slit
Lower edge is located in mud chamber more than water sludge interface and close to the position of water sludge interface, and total overflow section of slit, which is more than or equal to, to expose
The overflow section of gas mixed liquor extraction tube 31, to reduce flow resistance；
The upper end of 24 top of gas-liquid separation section and atmosphere, the mixture of airstream and strength liquid riser 34 is stretched into gas-liquid separation section 24
To import the concentration mixed liquor extracted, the upper end of concentration mixed-liquor return pipe 33 is stretched into the lower space in gas-liquid separation section 24
So that the concentration mixed liquor through gas-liquid separation is discharged.
In some cases, aeration mixed liquor extraction tube 31 is one or more root, preferably one, and from the bottom up according to
It is secondary to pass through second partition 12 and third partition board 13 and be fixed on therein at least one.
In some cases, the middle part of gas-liquid riser 34 be equipped with lift gas entrance 35 to import lift gas, it is excellent
Selection of land, the lift gas can be compressed nitrogen, compressed air etc., especially from the aeration section of Sewage Biological Treatment equipment
The aerating gas detached in aeration mixed liquor.
In some cases, gas-liquid riser 34 is one or more root and sequentially passes through third partition board 13 from the bottom up
With the 4th partition board 14 and be fixed on therein at least one.
In some cases, concentration mixed-liquor return pipe 33 is one or more root, preferably one, and from top to bottom according to
It is secondary to pass through the 4th partition board 14, third partition board 13, second partition 12 and first partition 11 and be fixed on therein at least one.
The strength lifting device 4 for tower Sewage Biological Treatment equipment further includes blow-down pipe 32, blow-down pipe 32
Upper end is higher than the liquid level for concentrating mixed liquor in gas-liquid separation section 24, such as stretches out gas-liquid separation section 24, the lower end of blow-down pipe 32
The upper space stretched into aeration mixed liquor distribution section 23 is so as to the aerating gas that will be collected in aeration mixed liquor distribution section 23
It is discharged from blow-down pipe 32.Preferably, blow-down pipe 32 is located in gas-liquid separation section 24, and the lower end of blow-down pipe 32 is passed down through simultaneously
It is fixed on the 4th partition board 14.
Described in the strength lifting device 4 of tower Sewage Biological Treatment equipment, the upper end of gas-liquid riser 34 to be also
Equipped with sinker 36 for preventing the concentration mixed liquor that gas is taken out of that is elevated from gas-liquid riser 34 from going out gas-liquid separation
Section 24 and eliminates its energy contained.Preferably, sinker 36 can be located at gas-liquid riser 34 in gas-liquid separation section 24
One or more layers sieve plate of the top of upper end opening.
First through hole 41 is located in solarization air cell 6 enters aeration mixed liquor extraction section 21, the second through-hole to be aerated mixed liquor
42 are located at the bottom of mud chamber 7 enters concentration mixed liquor extraction section 22 to concentrate mixed liquor, and third through-hole 43 is located at mud chamber 7
Middle part enter mud chamber 7 to be aerated mixed liquor, preferably enter in mud chamber 7 near water sludge interface, more preferably enter precipitation
Close to the position of water sludge interface above water sludge interface in room 7.The third through-hole 43 has multiple, is evenly distributed in cylinder 10
On side wall, the lower end of concentration mixed-liquor return pipe 33 is in fluid communication with anaerobic reaction room 5 to mix the concentration after gas-liquid separation
It closes liquid and imports anaerobic reaction room 5.Preferably, wastewater influent is imported in anaerobic reaction room 5 and is mixed with concentration mixed liquor by water inlet pipe 1
And carry out anaerobic reaction.
In the tower Sewage Biological Treatment equipment, lower end and the hypoxia response room 53 of concentration mixed-liquor return pipe 33
Fluid communication upstream, downstream and the anaerobic reaction room 5 of hypoxia response room 53 are in fluid communication.Preferably, water inlet pipe 1 and hypoxia response
The fluid communication upstream of room 53 concentrates mixed-liquor return pipe so that wastewater influent to be imported to the upstream of hypoxia response room 53 and is come from
33 concentration mixed liquor mixes and carries out hypoxia response.
In the tower Sewage Biological Treatment equipment, solarization air cell 6 is located at the top of anaerobic reaction room 5 and solarization air cell bottom
61 top as anaerobic reaction room 5, solarization air cell bottom 61 are equipped with anaerobic reaction mixed liquor outlet 63 for anaerobism is anti-simultaneously
It answers the anaerobic reaction mixed liquor in room 5 to import solarization air cell 6, one or more aerators 64 is equipped in solarization air cell 6.In some feelings
Under condition, the lower end inlet of aerator 64 is connected with aerator guide shell 65, and solarization air cell 6 is stretched into the lower end of aerator guide shell 65
Lower part so as to do not increase aeration air pressure in the case of by below aerator 64 mixed liquor introduce aerator 64 be aerated.
For example, aerator 64 connects the vertical vortex aerator of aerator guide shell 65 under being.In some cases, aerator guide shell 65
Lower end be located on solarization air cell bottom 61, fifth hole 62 is provided in the bottom side of the wall of aerator guide shell 65 so as to solarization air cell 6
In mixed liquor enter aerator guide shell 65, then flowing up into aerator 64 along aerator guide shell 65 is aerated
Processing.
In the tower Sewage Biological Treatment equipment of the utility model, mud chamber 7 is located at the top of solarization air cell 6, sinks
The mud chamber bottom 71 of the back taper of shallow lake room 7 is downwardly into the top in solarization air cell 6 as solarization air cell 6, and mud chamber bottom 71
Bottom margin connects with the side wall upper limb of solarization air cell 6.In some cases, it is dipped down from the slave edge at mud chamber bottom 71 to center
The annular space that the generally vertical side wall inner surface upper edge portion of oblique bottom edge part and solarization air cell 6 limits is exposed as collection
The collection chamber 66 of aerating gas in gas chamber.In some cases, mud chamber bottom 71 is heaved by the part of proximal edge upwards, is being collected
The headspace formation of gas chamber 66 upwardly extends collection gas bag 72.
In the tower Sewage Biological Treatment equipment of the utility model, the lift gas entrance of strength lifting device 4
35 are in fluid communication by gas-guide tube 73 and collection chamber 66 so that the aerating gas collected in collection chamber 66 enters airlift pipe 34,
It will concentrate in the concentration mixed liquor promotion to gas-liquid separation section 24 that mixed liquor extracts in section 22.
In the tower Sewage Biological Treatment equipment of the utility model, strength lifting device 4 is set to sedimentation basin 7
Middle part passes through from the middle part at back taper sedimentation basin bottom 71 and stretches into solarization air cell 6 wherein aeration mixed liquor extracts section 21, and
The wall outer surface of cylinder 10 between first through hole 41 and the second through-hole 42 is connect with sedimentation basin bottom 71.
Be equipped with overflow launder 74 on the inside of the upper limb of sedimentation basin 7 and be used to collect the supernatant in sedimentation basin 7, the supernatant of spilling into
It is discharged by the outlet pipe 2 being in fluid communication with overflow launder 74 after entering overflow launder 74.
The method for preparing the above-mentioned tower Sewage Biological Treatment equipment of the utility model includes the following steps：
S100 is provided with lower component, including：The side wall cylinder of anaerobic reaction room 5, the side wall cylinder of solarization air cell 6, mud chamber
7 side wall cylinder, anaerobic reaction room bottom 51, solarization air cell bottom 61, sedimentation basin bottom 71, one or more aerators 64,65, strength carry
Rise device 4；
The side wall cylinder of anaerobic reaction room 5 is fixedly connected to form anaerobic reaction room 5 by S200 in anaerobic reaction room bottom 51；
6 side wall cylinder of solarization air cell and solarization air cell bottom 61 are fixedly connected to form solarization air cell 6, solarization air cell 6 are fixed on by S300
The top of anaerobic reaction room 5 makes the bottom surface at solarization air cell bottom 61 constitute the top surface of anaerobic reaction room 5, and by aerator 64 and exposes
Gas device guide shell 65 is fixed in solarization air cell 6；
The side wall cylinder of mud chamber 7 and sedimentation basin bottom 71 are fixedly connected to form mud chamber 7, mud chamber 7 are fixed by S400
The bottom surface at mud chamber bottom 71 is made to constitute the top surface of solarization air cell 6 in the top of solarization air cell 6, it is heavy that strength lifting device 4 is fixed on
The lowest point at shallow lake room bottom 71 so that aeration mixed liquor extract section 21 and pass through mud chamber bottom 71, first through hole 41 is located at mud chamber
It under bottom 71 and is exposed in solarization air cell 6, the second through-hole 42 is located on mud chamber bottom 71 and is exposed in mud chamber 7 close to heavy
The position of 71 upper surface of shallow lake room bottom.
According to the method for the tower Sewage Biological Treatment equipment of manufacture the utility model, wherein step S300 further includes：It will
The lower end of hypoxia response room 53 passes through solarization air cell bottom 61 and is fixed on anaerobic reaction room bottom 51 so that hypoxia response room 52 passes through
Fourth hole 52 is in fluid communication with anaerobic reaction room 5；Further include in step S400：By the lower end of strength lifting device 4 and anoxic
The upper end of reative cell 53 is fixedly connected so that concentrating mixed-liquor return pipe 33 to be in fluid communication with hypoxia response room 53.
According to the method for the tower Sewage Biological Treatment equipment of manufacture the utility model, further include：S500, with gas-guide tube 73
Collection gas bag 72 and lift gas entrance 35 are connected so that being in fluid communication between airlift pipe 34 and collection chamber 66.
According to the method for the tower Sewage Biological Treatment equipment of manufacture the utility model, further include：S600, by water inlet pipe 1
It is in fluid communication with anaerobic reaction room 6.Preferably, the upper end of water inlet pipe 1 and hypoxia response room 53 is in fluid communication.
According to the method for the tower Sewage Biological Treatment equipment of manufacture the utility model, further include：S700, in mud chamber 7
Side wall cylinder ability upper limb on the inside of overflow launder 74 is installed.
According to manufacture the utility model tower Sewage Biological Treatment equipment method, the Sewage Biological Treatment equipment by
Various components are welded, riveting, joggle, bonding, flanged joint and/or be bolted are made.
In use, the tower Sewage Biological Treatment equipment of the utility model, by wastewater influent (or sewage charging) from into
The top that water pipe 1 imports hypoxia response room 53 is mixed with the concentration mixed liquor from concentration mixed-liquor return pipe 33, anti-in anoxic
It answers and carries out hypoxia response (anti-nitration reaction) in room 53 to make full use of and eliminate the nitrate in concentration mixed liquor, hypoxia response
Mixed liquor in room 53 flows downward and carries out anaerobic reaction behind the lower part that fourth hole 52 enters anaerobic reaction room 5, then detests
Mixed liquor in oxygen reative cell 5 flows up the lower part for entering aerator guide shell 65 from anaerobic reaction mixed liquor outlet 63,
Mixed with the aeration mixed liquor entered from fifth hole 62 and along aerator guide shell 65 flow up into aerator 64 into
Row Air Exposure is not increasing the pressure for the aerating gas for having air inlet pipe 3 to enter in solarization air cell 6 using aerator guide shell 65
In the case of realize Air Exposure to 6 middle and lower part mixed liquor of solarization air cell, the aerating gas after Air Exposure accumulates in collection chamber
In 66, the mixed liquor after Air Exposure enters aeration mixed liquor from first through hole 41 and extracts section 21 and wherein further gas-liquid point
From the aerating gas isolated returns to solarization air cell 6 from the upper limb of first through hole 41, and the aeration mixed liquor isolated is mixed in aeration
The lower part that liquid extracts section 21 enters aeration mixed liquor extraction tube 31, subsequently into the top of aeration mixed liquor distribution section 23；Then,
It is aerated mixed liquor further gas-liquid separation in being aerated mixed liquor distribution section 23, the aerating gas isolated passes through blow-down pipe 32
Discharge, after the aeration mixed liquor isolated enters mud chamber 7 from third through-hole 43 in a manner of uniform and is gentle, in mud chamber 7
In be separated into supernatant and concentration mixed liquor.Due to have passed through further gas-liquid separation, into the aeration mixed liquor of mud chamber 7
Be substantially free of aerating gas, will not because aerating gas there are due to disturb precipitation process in mud chamber 7, to substantially improving
The effect of precipitation process improves the yield and water quality of water outlet.
Supernatant, which is flowed up, to be discharged after the spilling of overflow launder 74 by outlet pipe 2, and concentration mixed liquor flows downward from second
Through-hole 42 enters concentration mixed liquor and extracts section 22, and lift gas entrance 35 and the collection gas bag 72 of airlift pipe 34 are in fluid communication
To receive the aerating gas in collection chamber 66, aerating gas, which enters after airlift pipe 34, floats that mixing will be concentrated upwards
The concentration mixed liquor that liquid extracts section 22 lower part is sent into gas-liquid separation section 24 and carries out gas-liquid separation, and other of separation are from gas-liquid separation section
24 upper end discharge, the concentrated mixed-liquor return pipe of the concentration mixed liquor of separation 33 flow downward into the upper of hypoxia response room 53
Portion, the aerating gas due to carrying out airlift is the aerating gas that Air Exposure is had already passed through in solarization air cell 6, oxygen content
It is not high, the dissolved oxygen of concentration mixed liquor will not be dramatically increased, the anti-nitration reaction in hypoxia response room 53 is conducive to.
In the present invention, on the one hand the strength lifting device will extract aeration mixed liquor and be led from solarization air cell
Enter and is distributed in sedimentation basin the mechanism of suitable position and will concentrate mixed liquor in sedimentation basin using aerating gas and extract and flow back
Organization's integration to anaerobic reaction room is single component, simplifies the structure and its manufacture and processing technology of each mechanism, improves
The working efficiency and reliability of each mechanism, installation maintenance is time saving and energy saving, be particularly conducive to strength lifting device at the scene
It is assembled into Sewage Biological Treatment equipment；On the other hand, the aeration mixed liquor of blow-down pipe is provided in strength lifting device
It is distributed section so that aeration mixed liquor just enters precipitation after further discharging remaining aerating gas in being aerated mixed liquor distribution section
Pond, and the remaining aerating gas released is discharged after the top aggregation of aeration mixed liquor distribution section from dedicated blow-down pipe,
The interference to precipitating environment when aeration mixed liquor enters sedimentation basin is avoided, the deposition efficiency of mud chamber is improved, improves out
The yield and water quality of water.
Tower Sewage Biological Treatment equipment according to the present utility model, is on the one hand simplified using the strength lifting device
Structure and process, improve work efficiency with reliability, improve water outlet yield and water quality；On the other hand, by equipment point
It at multiple components, manufactures respectively, considerably increases the convenience of device context installation, it is especially uncomfortable in road and site condition
Sewage disposal point along the small watershed river and irrigation canals and ditches that oversize vehicle and engineering machinery enter, effect is especially prominent, is small
The means for providing reality are administered in basin online.
The utility model is described above by the mode of illustration.It is understood, however, that the utility model is never only
It is only limitted to these specific implementation modes.Those of ordinary skill can carry out various modifications or change to the utility model, and these
Modification and variation belong to the scope of protection of the utility model.
Claims (10)
1. a kind of tower Sewage Biological Treatment equipment, including anaerobic reaction room (5), solarization air cell (6) and mud chamber (7), solarization air cell
(6) it is located at top and solarization air cell bottom (61) while as the top of anaerobic reaction room (5), mud chamber of anaerobic reaction room (5)
(7) positioned at the top of solarization air cell (6) and mud chamber bottom (71) while as the top of solarization air cell (6), which is characterized in that anaerobism
The survey wall of reative cell (5), solarization air cell (6) and mud chamber (7) collectively forms cylindrical tower body (100), and tower body (100) is by more
Block enamelled pressed steel (101) is spliced；Mud chamber bottom (71) is the inversed taper platform being spliced by polylith sector enamelled pressed steel (711)
The middle part of shape structure, mud chamber bottom (71) is connected with strength lifting device (4) by flange (713).
2. the tower Sewage Biological Treatment equipment according to claim 1, which is characterized in that the solarization air cell bottom (61) is solid
The porous sieve plate being scheduled on tower body (100) inner wall, sieve plate hole (63) are used for anaerobism is anti-as anaerobic reaction mixed liquor outlet
The anaerobic reaction mixed liquor in room (5) is answered to import solarization air cell (6).
3. the tower Sewage Biological Treatment equipment according to claim 2, which is characterized in that be equipped in the solarization air cell (6)
One or more aerators (64,65), the aerator (64,65) are suspended on the aerator for being fixed on tower body (100) inner wall
On holder (641), between the bottom and solarization air cell bottom (61) of the aerator (64,65) there are gap (62) to be used for solarization air cell
(6) mixed liquor of lower part imports in aerator (64,65).
4. the tower Sewage Biological Treatment equipment as claimed in one of claims 1-3, which is characterized in that the strength carries
Rising device (4) includes：Cylinder (10) is set to the internal aeration mixed liquor extraction tube (31) of cylinder (10), concentration mixed-liquor return
(33) and strength mixed liquor riser (34) are managed, is sequentially arranged in the internal first partition (11) of cylinder (10), second from the bottom up
Partition board (12), third partition board (13) and the 4th partition board (14), the cylinder limited between first partition (11) and second partition (12)
(10) inner space is that aeration mixed liquor extracts section (21), the cylinder limited between second partition (12) and third partition board (13)
(10) inner space is that concentration mixed liquor extracts section (22), the cylinder limited between third partition board (13) and the 4th partition board (14)
(10) inner space is aeration mixed liquor distribution section (23), and the inner space of cylinder (10) more than 4th partition board (14) is gas
Liquid segregation section (24)；
Wherein, it is logical to be provided with allow aeration mixed liquor to enter first for cylinder (10) side wall on aeration mixed liquor extraction section (21) top
Hole (41), the lower end of aeration mixed liquor extraction tube (31) are stretched into aeration mixed liquor and are extracted in lower space in section (21) to take out
Aeration mixed liquor is taken to extract the aeration mixed liquor in section (21)；
Concentration mixed liquor, which extracts cylinder (10) side wall in the middle part of section (22) and is provided with, allows to concentrate the second through-hole that mixed liquor enters
(42), the lower end of the mixture of airstream and strength liquid riser (34) is stretched into concentration mixed liquor and is extracted in lower space in section (22) to extract
Concentrate the concentration mixed liquor in mixed liquor extraction section (22)；
Cylinder (10) side wall of aeration mixed liquor distribution section (23) lower part is provided with the third through-hole for allowing to be aerated mixed liquor discharge
(43), will to expose in the upper space that the upper end of aeration mixed liquor extraction tube (31) is stretched into aeration mixed liquor distribution section (23)
Gas mixed liquor is sent into aeration mixed liquor distribution section (23)；
Gas-liquid separation section (24) is stretched into the upper end of gas-liquid separation section (24) top and atmosphere, the mixture of airstream and strength liquid riser (34)
In with import extract concentration mixed liquor, concentration mixed-liquor return pipe (33) upper end stretch into the lower part in gas-liquid separation section (24)
So that the concentration mixed liquor through gas-liquid separation is discharged in space；
Wherein, first through hole (41) is located in solarization air cell (6) enters aeration mixed liquor extraction section (21) to be aerated mixed liquor, the
Two through-holes (42) are located at the bottom of mud chamber (7) and enter concentration mixed liquor extraction section (22), third through-hole to concentrate mixed liquor
(43) middle part for being located at mud chamber (7) enters mud chamber (7) to be aerated mixed liquor.
5. the tower Sewage Biological Treatment equipment according to claim 4, which is characterized in that further include hypoxia response room
(53), the fluid communication upstream of the lower end and hypoxia response room (53) of concentration mixed-liquor return pipe (33), hypoxia response room (53)
Downstream and anaerobic reaction room (5) be in fluid communication.
6. the tower Sewage Biological Treatment equipment according to claim 4, which is characterized in that aeration mixed liquor extraction tube (31)
It sequentially passes through for one or more root and from the bottom up second partition (12) and third partition board (13) and is fixed on therein
It is at least one.
7. the tower Sewage Biological Treatment equipment according to claim 4, which is characterized in that the middle part of gas-liquid riser (34)
Equipped with lift gas entrance (35) to import lift gas.
8. the tower Sewage Biological Treatment equipment according to claim 4, which is characterized in that gas-liquid riser (34) is one
Or more root and sequentially pass through third partition board (13) and the 4th partition board (14) from the bottom up and be fixed on therein at least one
It is a.
9. the tower Sewage Biological Treatment equipment according to claim 4, which is characterized in that concentration mixed-liquor return pipe (33)
Sequentially pass through for one or more root and from top to bottom the 4th partition board (14), third partition board (13), second partition (12) and
It one partition board (11) and is fixed on therein at least one.
10. the tower Sewage Biological Treatment equipment according to claim 4, which is characterized in that further include blow-down pipe (32), put
Higher than the liquid level of the concentration mixed liquor in gas-liquid separation section (24), aeration is stretched into the lower end of blow-down pipe (32) for the upper end of blank pipe (32)
Upper space in mixed liquor distribution section (23) is so that the aerating gas that will be collected in aeration mixed liquor distribution section (23) is from putting
Blank pipe (32) is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721715282.9U CN207845430U (en) | 2017-12-11 | 2017-12-11 | A kind of tower Sewage Biological Treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721715282.9U CN207845430U (en) | 2017-12-11 | 2017-12-11 | A kind of tower Sewage Biological Treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207845430U true CN207845430U (en) | 2018-09-11 |
Family
ID=63424077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721715282.9U Active CN207845430U (en) | 2017-12-11 | 2017-12-11 | A kind of tower Sewage Biological Treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207845430U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264858A (en) * | 2018-11-30 | 2019-01-25 | 周连奎 | A kind of biological sewage treatment device |
| CN109336253A (en) * | 2018-11-30 | 2019-02-15 | 周连奎 | A kind of biological sewage treatment device and method |
-
2017
- 2017-12-11 CN CN201721715282.9U patent/CN207845430U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264858A (en) * | 2018-11-30 | 2019-01-25 | 周连奎 | A kind of biological sewage treatment device |
| CN109336253A (en) * | 2018-11-30 | 2019-02-15 | 周连奎 | A kind of biological sewage treatment device and method |
| CN109336253B (en) * | 2018-11-30 | 2021-10-01 | 金锣水务有限公司 | Sewage biological treatment device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106242050B (en) | A kind of vertical internal-circulating integrated sewage treating apparatus | |
| CN105347489B (en) | A kind of efficiently integrated integrated sewage treating apparatus | |
| CN201777915U (en) | Chemical degreasing sediment separator | |
| CN102249415B (en) | Airlift internal circulation nitrogen and phosphorus removal bioreactor | |
| CN209143830U (en) | Synchronous denitrification dephosphorizing integral reactor | |
| CN107459213A (en) | A kind of drum type brake integrated sewage treating apparatus | |
| CN104817234A (en) | System for treating high-concentration wire-drawing lubricant wastewater | |
| CN207845430U (en) | A kind of tower Sewage Biological Treatment equipment | |
| CN208022853U (en) | A kind of strength lifting device and the Sewage Biological Treatment equipment including the device | |
| CN110963571A (en) | Synchronous nitrogen and phosphorus removal integrated reactor | |
| CN209338214U (en) | A kind of biological sewage treatment device | |
| CN202785864U (en) | Two-way water intake high-density clarification tank | |
| CN202186922U (en) | Air-lift type internal recycle de-nitrogenizing and phosphorus-removing bioreactor | |
| CN209210478U (en) | A kind of assembly type biological sewage treatment device | |
| CN111003806A (en) | Novel AAO technology integration equipment | |
| CN104787968B (en) | Chlortetracycline wastewater processing system | |
| CN110713256A (en) | Biological pipe culvert reaction unit | |
| CN205516672U (en) | Microvovtex whirl coagulating sedimentation tank | |
| CN115608009A (en) | Assembled secondary sedimentation tank and sewage treatment equipment | |
| CN211813676U (en) | Novel AAO technology integration equipment | |
| CN108046542A (en) | Fur production wastewater treatment device | |
| CN108675453A (en) | Villages and small towns decentralized type sewage treatment reactor and its sewage water treatment method | |
| CN211141630U (en) | Inclined tube precipitation device and high ammonia nitrogen organic sewage treatment system | |
| CN208594093U (en) | Villages and small towns decentralized type sewage treatment reactor | |
| CN108033632A (en) | A kind of strength lifting device for Sewage Biological Treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190418 Address after: 276036 Station of Bancheng Town, Lanshan District, Linyi City, Shandong Province Patentee after: Gongs Water Company Limited Address before: 2736 Jinluo Science Park, Bancheng Town, Lanshan District, Linyi City, Shandong Province Patentee before: Zhou Liankui |