CN109502894A - A kind of small-sized integrated sanitary sewage disposal integrated equipment - Google Patents
A kind of small-sized integrated sanitary sewage disposal integrated equipment Download PDFInfo
- Publication number
- CN109502894A CN109502894A CN201811455268.9A CN201811455268A CN109502894A CN 109502894 A CN109502894 A CN 109502894A CN 201811455268 A CN201811455268 A CN 201811455268A CN 109502894 A CN109502894 A CN 109502894A
- Authority
- CN
- China
- Prior art keywords
- pipe
- aerobic
- air inlet
- inlet pipe
- liner
- 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.)
- Granted
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000005192 partition Methods 0.000 claims abstract description 24
- 238000010992 reflux Methods 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 8
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000001914 filtration Methods 0.000 description 1
- 210000000232 gallbladder Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
A kind of small-sized integrated sanitary sewage disposal integrated equipment, it includes the shell of upper opening, the liner of upper opening, partition, MBBR filler, water inlet pipe, water purification outlet pipe, anaerobism air inlet pipe, anaerobic gas stirring pipe, aerobic air inlet pipe, the sudden and violent tracheae of perforation, gas-guide tube, diversion pipe, stripping reflux straight tube, anaerobism return pipe and aerobic return pipe；The connection of the partition of anaerobic gas stirring pipe one end and anaerobic cavity, the partition connection of perforate sudden and violent tracheae one end and aerobic cavity；One anaerobism return pipe is connected to stripping reflux pipe to be protruded into anaerobic cavity, and an aerobic return pipe is connect with stripping reflux pipe to be connected and protrude into aerobic zone；The outlet side of gas-guide tube is protruded into the lower end of liner and corresponding with the lower end of stripping reflux pipe；The inlet end of gas-guide tube, anaerobism air inlet pipe and aerobic air inlet pipe is connect with gas source；MBBR filler is respectively provided at anaerobic cavity and aerobic intracavitary.Repeatedly processing of the sanitary sewage through Anaerobic Treatment, again through Aerobic Process for Treatment, discharge water quality is high, meets national standard.
Description
Technical field
The present invention relates to a kind of sewage-treatment plant, especially a kind of sewage treatment unit.
Background technique
Currently available technology, a kind of sanitary sewage disposal, structure is simple, or directly discharges after filtering, still causes underground water
Pollution.
Summary of the invention
The object of the present invention is to provide a kind of small-sized integrated sanitary sewage disposal integrated equipments, it is become reconciled using anaerobism
The mode of oxygen is handled, and discharge water quality is high, meets fixed discharge standard.
The present invention is implemented as follows: a kind of small-sized integrated sanitary sewage disposal integrated equipment, it includes upper opening
It is shell, the liner of upper opening, partition, MBBR filler, water inlet pipe, water purification outlet pipe, anaerobism air inlet pipe, anaerobic gas stirring pipe, good
Oxygen air inlet pipe, the sudden and violent tracheae of perforation, gas-guide tube, diversion pipe, stripping reflux straight tube, anaerobism return pipe and aerobic return pipe；
Partition is set inside the shell, and liner is equipped with the middle part of partition, and the partition top positioned at liner two sides is equipped with water conservancy diversion mesh,
The shell of partition side be anaerobic cavity, it is another be aerobic control；The connection of the partition of anaerobic gas stirring pipe one end and anaerobic cavity, the other end
Vacantly, anaerobism air inlet pipe lower end connect connection with anaerobic gas stirring pipe；It perforates the partition connection, another of sudden and violent tracheae one end and aerobic cavity
One end is hanging, and the lower end of aerobic air inlet pipe is connect with sudden and violent tracheae of perforating；Sanitary sewage water inlet pipe protrudes into the lower end of anaerobic cavity；Air lift
The lower end of liner is protruded into the lower end of return pipe, and an anaerobism return pipe is connected to stripping reflux pipe to be protruded into anaerobic cavity, and one aerobic time
Flow tube is connect with stripping reflux pipe to be connected and protrudes into aerobic zone；The bottom of liner is protruded into the lower end of diversion pipe, and upper end is protruded into
Oxygen is intracavitary, and the first plane where diversion pipe water inlet end is located under the second plane where anaerobism return pipe and aerobic return pipe
Side；Water purification outlet pipe passes through shell and protrudes into liner, and the third plane where the water inlet end of water purification outlet pipe is located at the first plane
And second between plane；The outlet side of gas-guide tube is protruded into the lower end of liner and corresponding with the lower end of stripping reflux pipe；Air guide
The inlet end of pipe, anaerobism air inlet pipe and aerobic air inlet pipe is connect with gas source；MBBR filler is respectively provided at anaerobic cavity and aerobic intracavitary.
A kind of small-sized integrated sanitary sewage disposal integrated equipment, is characterized in that the diversion pipe
Water inlet end is equipped with filter screen.
A kind of small-sized integrated sanitary sewage disposal integrated equipment, is characterized in that further include a mill weir,
Mill weir includes the guiding gutter of upper opening and the vertical plate body positioned at guiding gutter two sides, is had between vertical plate body and the outer wall of guiding gutter
The upper end in gap, the cell wall of the upper end and guiding gutter of vertical plate body is equipped with difference in height；It is solid that mill weir is located at both ends and liner in liner
Fixed connection, the water inlet end of the outlet pipe are connected to guiding gutter.
A kind of small-sized integrated sanitary sewage disposal integrated equipment is characterized in that the sudden and violent gas of the perforation
Pipe be equipped with sudden and violent stomata, the bottom plate of the outlet side and shell of sudden and violent stomata it is opposite；
The anaerobic gas stirring pipe is equipped with venthole, and the outlet side of venthole and the bottom plate of shell are opposite.
A kind of small-sized integrated sanitary sewage disposal integrated equipment is characterized in that the shell and interior
Gallbladder is rounded；
It further include annulus seat, semicircle fixed cover board, semicircle removable cover and air pump, air pump is as gas source；
Annulus seat includes circular ring shape level board and axial cylindrical part；The center point that semicircle fixed plate is set in is equipped with semicircle
The center point of shape hole, anaerobism air inlet pipe hole and aerobic air inlet pipe, semicircle removable cover is equipped with semi-circular hole；
It is fixedly connected in axial cylindrical part insertion shell and with shell, the fixed cover board of semicircle is fixed with circular ring shape level board
Connection, semicircle removable cover detachably cooperate with circular ring shape level board, semicircle removable cover and semicircle fixed cover board pair
It connects, two semi-circular holes constitute stripping tube and stretch out hole；Air inlet pipe of being sick of and aerobic air inlet pipe are become reconciled from anaerobism air inlet pipe hole respectively
Oxygen air inlet pipe stretches out shell；The upper end of stripping reflux straight tube is stretched out in hole from stripping tube and is stretched out；
Air pump is located on semicircle fixed cover board, and air pump is connected to the gas-guide tube, air inlet pipe of being sick of and aerobic air inlet pipe.
A kind of small-sized integrated sanitary sewage disposal integrated equipment, is characterized in that the bottom of the shell
Portion is equipped with sewage pipe.
A kind of small-sized integrated sanitary sewage disposal integrated equipment of the present invention, sanitary sewage is through Anaerobic Treatment, again through aerobic
The processing repeatedly of processing, discharge water quality is high, meets national standard.
Detailed description of the invention
Fig. 1 is perspective view of the invention.
Fig. 2 is one of stereogram exploded view of the invention.
Fig. 3 is the two of stereogram exploded view of the invention.
Fig. 4 is partial perspective view of the invention.
Fig. 5 is cross-sectional view of the invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of small-sized integrated sanitary sewage disposal integrated equipment, it includes the outer of upper opening
Shell 1, the liner 2 of upper opening, partition 3, MBBR filler (not shown), water inlet pipe 4, water purification outlet pipe 5, anaerobism air inlet pipe
61, anaerobic gas stirring pipe 62, aerobic air inlet pipe 71, the sudden and violent tracheae 72 of perforation, gas-guide tube (not shown), diversion pipe 8, air lift are returned
Flow straight tube 9, anaerobism return pipe 91 and aerobic return pipe 92；
Partition 3 is located in shell 1, and liner 2 is equipped with the middle part of partition 3, is equipped with and is led positioned at 3 top of partition of 2 two sides of liner
Drift net hole, the shell 1 of 3 side of partition be anaerobic cavity 1A, it is another be aerobic control 1B；61 one end of anaerobic gas stirring pipe and anaerobic cavity 1A
Interior partition 3 connects, the other end is hanging, and 6 lower end of anaerobism air inlet pipe connect connection with anaerobic gas stirring pipe 61；It perforates sudden and violent tracheae 71
One end is connect with the partition 3 in aerobic cavity 1B, the other end is hanging, and the lower end of aerobic air inlet pipe 7 is connect with sudden and violent tracheae 71 of perforating；It is raw
Sewage water inlet pipe 5 living protrudes into the lower end of anaerobic cavity 1A；The lower end of liner 2, an anaerobism return pipe are protruded into the lower end of stripping reflux pipe 9
91 are connected to stripping reflux pipe 9 and protrude into anaerobic cavity 1A, and an aerobic return pipe 92 is connect with stripping reflux pipe 9 to be connected and protrude into
In oxygen area 1B；The bottom of liner 1 is protruded into the lower end of diversion pipe 8, and upper end is protruded into aerobic cavity 1B, where 8 water inlet end of diversion pipe
First plane is located at the lower section of the second plane where anaerobism return pipe 91 and aerobic return pipe 92；Water purification outlet pipe 5 passes through outer
Shell 1 protrudes into liner 2, and the third plane where the water inlet end of water purification outlet pipe 5 is between the first plane and the second plane；It leads
The outlet side of tracheae is protruded into the lower end of liner 2 and corresponding with the lower end of stripping reflux pipe 9；Gas-guide tube, 6 and of anaerobism air inlet pipe
The inlet end of aerobic air inlet pipe 7 is connect with gas source；MBBR filler is respectively provided in anaerobic cavity 1A and aerobic cavity 1B.
The bottom of the shell 1 is equipped with sewage pipe 1C.
The water inlet end of the diversion pipe 8 is equipped with filter screen 81.
It further include a mill weir 10, mill weir 10 includes the guiding gutter 101 of upper opening and the vertical plate body positioned at guiding gutter two sides
102, there are gap, the upper end of vertical plate body 102 and the cell wall of guiding gutter 101 between vertical plate body 102 and the outer wall of guiding gutter 101
Upper end be equipped with difference in height；Mill weir 10 is located at both ends in liner 2 and is fixedly connected with liner 2, the water inlet end of the outlet pipe 5 with lead
Sink 101 is connected to.
The sudden and violent tracheae 71 of perforating is equipped with sudden and violent stomata, and the outlet side of sudden and violent stomata 71 is opposite with the bottom plate of shell 1；
The anaerobic gas stirring pipe 61 is equipped with venthole, and the outlet side of venthole is opposite with the bottom plate of shell 1.By micro-
The gas supply of amount plays the role of stirring, and precipitate sludge will not, and micro gas will not increase too many dissolved oxygen and maintain the region
Anaerobic state.
The shell 1 and liner 2 are rounded；
It further include annulus seat 11, semicircle fixed cover board 121, semicircle removable cover 122 and air pump 13,13 conduct of air pump
Gas source；
Annulus seat 11 includes circular ring shape level board and axial cylindrical part；The center point that semicircle fixed plate 121 is set in is set
There are semi-circular hole 1211, anaerobism air inlet pipe hole 1212 and aerobic air inlet pipe 1213, the center point of semicircle removable cover 122 is equipped with
Semi-circular hole 1221；
It is fixedly connected in axial cylindrical part insertion shell 1 and with shell 1, the fixed cover board 121 of semicircle and circular ring shape are horizontal
Plate is fixedly connected, and semicircle removable cover 122 detachably cooperates with circular ring shape level board, semicircle removable cover 122 and semicircle
The fixed cover board 121 of shape docks, the semi-circular hole 1211 of the fixed cover board 121 of semicircle and the semicircle of semicircle removable cover 122
Hole 1221 constitutes stripping tube and stretches out hole；Air inlet pipe 6 and the aerobic air inlet pipe 7 of being sick of respectively from anaerobism air inlet pipe hole 1212 and it is aerobic into
Tracheae 1213 stretches out shell 1；The upper end of stripping reflux straight tube 9 is stretched out in hole from stripping tube and is stretched out；
Air pump 13 is located on semicircle fixed cover board 121, air pump and the gas-guide tube, air inlet pipe 6 of being sick of and aerobic air inlet
Pipe 7 is connected to.
Above-described is only preferred embodiments of the invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the principles of the present invention, it can also make several improvements and modification, this is also considered as of the invention
Protection scope.
Claims (6)
1. a kind of small-sized integrated sanitary sewage disposal integrated equipment, it is characterised in that: it includes the shell of upper opening, upper opening
Liner, partition, MBBR filler, water inlet pipe, water purification outlet pipe, anaerobism air inlet pipe, anaerobic gas stirring pipe, aerobic air inlet pipe, wear
The sudden and violent tracheae in hole, gas-guide tube, diversion pipe, stripping reflux straight tube, anaerobism return pipe and aerobic return pipe；
Partition is set inside the shell, and liner is equipped with the middle part of partition, and the partition top positioned at liner two sides is equipped with water conservancy diversion mesh, partition
The shell of side be anaerobic cavity, it is another be aerobic control；The connection of the partition of anaerobic gas stirring pipe one end and anaerobic cavity, the other end are outstanding
Sky, anaerobism air inlet pipe lower end connect connection with anaerobic gas stirring pipe；It perforates the partition connection, another of sudden and violent tracheae one end and aerobic cavity
End is hanging, and the lower end of aerobic air inlet pipe is connect with sudden and violent tracheae of perforating；Sanitary sewage water inlet pipe protrudes into the lower end of anaerobic cavity；Air lift is returned
The lower end of liner is protruded into the lower end of flow tube, and an anaerobism return pipe is connected to stripping reflux pipe to be protruded into anaerobic cavity, an aerobic reflux
Pipe is connect with stripping reflux pipe to be connected and protrudes into aerobic zone；The bottom of liner is protruded into the lower end of diversion pipe, and upper end is protruded into aerobic
Intracavitary, the first plane where diversion pipe water inlet end is located under the second plane where anaerobism return pipe and aerobic return pipe
Side；Water purification outlet pipe passes through shell and protrudes into liner, and the third plane where the water inlet end of water purification outlet pipe is located at the first plane
And second between plane；The outlet side of gas-guide tube is protruded into the lower end of liner and corresponding with the lower end of stripping reflux pipe；Air guide
The inlet end of pipe, anaerobism air inlet pipe and aerobic air inlet pipe is connect with gas source；MBBR filler is respectively provided at anaerobic cavity and aerobic intracavitary.
2. a kind of small-sized integrated sanitary sewage disposal integrated equipment according to claim 1, it is characterised in that: described to lead
The water inlet end of flow tube is equipped with filter screen.
3. a kind of small-sized integrated sanitary sewage disposal integrated equipment according to claim 1, it is characterised in that: further include
One mill weir, mill weir include the guiding gutter of upper opening and the vertical plate body positioned at guiding gutter two sides, vertical plate body and guiding gutter it is outer
There is gap between wall, the upper end of the cell wall of the upper end and guiding gutter of vertical plate body is equipped with difference in height；Mill weir is located at both ends in liner
It is fixedly connected with liner, the water inlet end of the outlet pipe is connected to guiding gutter.
4. a kind of small-sized integrated sanitary sewage disposal integrated equipment according to claim 1, it is characterised in that: described to wear
The sudden and violent tracheae in hole be equipped with sudden and violent stomata, the bottom plate of the outlet side and shell of sudden and violent stomata it is opposite；
The anaerobic gas stirring pipe is equipped with venthole, and the outlet side of venthole and the bottom plate of shell are opposite.
5. a kind of small-sized integrated sanitary sewage disposal integrated equipment according to claim 1,2,3 or 4, feature exist
In: the shell and liner are rounded；
It further include annulus seat, semicircle fixed cover board, semicircle removable cover and air pump, air pump is as gas source；
Annulus seat includes circular ring shape level board and axial cylindrical part；The center point that semicircle fixed plate is set in is equipped with semicircle
The center point of hole, anaerobism air inlet pipe hole and aerobic air inlet pipe, semicircle removable cover is equipped with semi-circular hole；
Axial cylindrical part insertion shell is interior and is fixedly connected with shell, the fixed cover board of semicircle and the fixed company of circular ring shape level board
It connecing, semicircle removable cover detachably cooperates with circular ring shape level board, semicircle removable cover and semicircle fixed cover board docking,
Two semi-circular holes constitute stripping tube and stretch out hole；Air inlet pipe and the aerobic air inlet pipe of being sick of respectively from anaerobism air inlet pipe hole and it is aerobic into
Tracheae stretches out shell；The upper end of stripping reflux straight tube is stretched out in hole from stripping tube and is stretched out；
Air pump is located on semicircle fixed cover board, and air pump is connected to the gas-guide tube, air inlet pipe of being sick of and aerobic air inlet pipe.
6. a kind of small-sized integrated sanitary sewage disposal integrated equipment according to claim 1, it is characterised in that: described outer
The bottom of shell is equipped with sewage pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811455268.9A CN109502894B (en) | 2018-11-30 | 2018-11-30 | Small-size integrated domestic sewage treatment integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811455268.9A CN109502894B (en) | 2018-11-30 | 2018-11-30 | Small-size integrated domestic sewage treatment integrated equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109502894A true CN109502894A (en) | 2019-03-22 |
| CN109502894B CN109502894B (en) | 2024-03-12 |
Family
ID=65749740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811455268.9A Active CN109502894B (en) | 2018-11-30 | 2018-11-30 | Small-size integrated domestic sewage treatment integrated equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109502894B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09323092A (en) * | 1996-06-04 | 1997-12-16 | Hokoku Kogyo Co Ltd | Sewage treating device |
| US20120138527A1 (en) * | 2010-12-06 | 2012-06-07 | Nanjing University | Integrated bioreactor and method of using the same for treatment of highly-concentrated organic wastewater |
| CN204039217U (en) * | 2014-07-29 | 2014-12-24 | 沭阳嘉净环保科技有限公司 | Integral life sewage focuses on equipment |
| CN107098471A (en) * | 2017-06-19 | 2017-08-29 | 马安然 | Microkinetic shell and tube integral sewage water purifier |
| CN108083437A (en) * | 2018-01-02 | 2018-05-29 | 江苏裕隆环保有限公司 | A kind of rural domestic sewage treating device and treatment process |
| CN209507900U (en) * | 2018-11-30 | 2019-10-18 | 四川悦承环保节能科技有限公司 | A kind of small-sized integrated sanitary sewage disposal integrated equipment |
-
2018
- 2018-11-30 CN CN201811455268.9A patent/CN109502894B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09323092A (en) * | 1996-06-04 | 1997-12-16 | Hokoku Kogyo Co Ltd | Sewage treating device |
| US20120138527A1 (en) * | 2010-12-06 | 2012-06-07 | Nanjing University | Integrated bioreactor and method of using the same for treatment of highly-concentrated organic wastewater |
| CN204039217U (en) * | 2014-07-29 | 2014-12-24 | 沭阳嘉净环保科技有限公司 | Integral life sewage focuses on equipment |
| CN107098471A (en) * | 2017-06-19 | 2017-08-29 | 马安然 | Microkinetic shell and tube integral sewage water purifier |
| CN108083437A (en) * | 2018-01-02 | 2018-05-29 | 江苏裕隆环保有限公司 | A kind of rural domestic sewage treating device and treatment process |
| CN209507900U (en) * | 2018-11-30 | 2019-10-18 | 四川悦承环保节能科技有限公司 | A kind of small-sized integrated sanitary sewage disposal integrated equipment |
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| Publication number | Publication date |
|---|---|
| CN109502894B (en) | 2024-03-12 |
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