CN106517521A - Sewage treatment device box body combination method - Google Patents
Sewage treatment device box body combination method Download PDFInfo
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- CN106517521A CN106517521A CN201611214268.0A CN201611214268A CN106517521A CN 106517521 A CN106517521 A CN 106517521A CN 201611214268 A CN201611214268 A CN 201611214268A CN 106517521 A CN106517521 A CN 106517521A
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- temporary location
- unit
- sewage
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- treatment plant
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sewage (AREA)
Abstract
The invention provided a sewage treatment device box body combination method, and belongs to the technical field of environmental engineering water treatment. The method comprises the steps of leveling the ground surface where the sewage treatment device box is applied, calculating sewage flow and capacity for deriving the total quantity of units needed by the sewage treatment device box, wherein the total quantity of the units is the total quantity of water inlet units, water outlet units, middle units S, middle units Y and middle units Z. The box body is fixed by a frame or in welding mode, can be installed above ground or buried underground. The standardized produced component units can effectively reduce production cost, transportation cost and installation cost. The prefabricated units are combined by splicing. The sewage treatment capacity can be fully utilized.
Description
Technical field
Patent of the present invention is related to environmental project water-treatment technology field, more particularly to it is a kind of can be according to specific works place
The combined method of sewage-treatment plant casing.
Background technology
As the situation of water pollution is on the rise, environmental engineering water technology is more and more important, and existing town and country are dirty
Water treatment facilities mostly are centralized and are uniformly processed, and equipment is huge, it is desirable to which professional technique controls sewage disposal；Weak point is to face
Practical situation be to need for distributing, individual formula, water process land area disunity, need to invent a kind of standard component combination
Formula, low cost, convenient transportation, a kind of quick for installation, sewage-treatment plant casing of minienvironment of energy effectively utilizes different terrain
Combined method.
The content of the invention
To overcome existing the centralized of environmental wastewater treatment technology to be uniformly processed, equipment is huge, installs the deficiencies such as complexity
Place, invents a kind of combined method of sewage-treatment plant casing.
A kind of combined method of sewage-treatment plant casing, it is characterised in that：Sewage-treatment plant casing includes that water inlet is single
Unit, water unit, temporary location S, temporary location Y, temporary location Z；Concrete combination step is as follows：
1.1. the level leveling of ground surface is carried out in the place for implementing sewage-treatment plant casing；
1.2. calculate the discharge of sewage and Capacity design goes out the unit sum of sewage-treatment plant casing needs, i.e. inlet unit, go out
Water unit, temporary location S, temporary location Y, the sum of temporary location Z；
1.3. 4X4 unit sewage-treatment plant box body combinations steps are specifically described as follows：First unit of the first row is into water list
Unit, is 2 temporary location S, 1 temporary location Y successively；The 4th unit of second row is temporary location Z, and it is 2 successively to be successively
Individual temporary location S, first unit of the second row is temporary location Z；First unit of the third line is temporary location Y, successively
It is 2 temporary location S, the 4th unit of the third line is temporary location Y；The 4th unit of fourth line is temporary location Z, successively
It is 2 temporary location S successively to be, first unit of fourth line is water unit；
1.4. at the combined-type sewage being made up of inlet unit, water unit, temporary location S, temporary location Y, temporary location Z
Reason device box is fixed by framework, or is welded and fixed；
1.5. sewage-treatment plant casing is arranged on more than ground, or is all embedded in underground.
Described inlet unit is provided with top water inlet, and sewage is entered；Water unit is provided with top outlet；Described enters
Water unit, water unit, temporary location S, temporary location Y, temporary location Z are equipped with lower through-hole；Described temporary location S,
Temporary location Y, temporary location Z are equipped with upper through-hole；The annexation of described combined type sewage treatment equipment casing is：Treat
The sewage of process is connected with the top water inlet of inlet unit by sewage water inlet pipe, inlet unit, water unit, temporary location
S, temporary location Y, the lower through-hole connection of temporary location Z unit, temporary location S, temporary location Y, the top of temporary location Z lead to
Hole connects, and processed qualified discharge water is connected exclusion by the top outlet of water unit with drain pipe.
Described temporary location S is provided with front through hole and rear through hole, and temporary location Y is provided with front through hole and right side through hole,
Temporary location Z is provided with front through hole and PATENT left side via.
Position of the position of described inlet unit top water inlet higher than water unit top outlet, on water unit
The position of portion's outlet is higher than temporary location S, described temporary location S, temporary location Y, the upper through-hole height of temporary location Z
Position consistency, described inlet unit, water unit, temporary location S, temporary location Y, the lower through-hole of temporary location Z unit
Height and position is consistent.
Described inlet unit, water unit, temporary location S, temporary location Y, temporary location Z are each equipped with cover plate, institute
The cover plate stated is engaged with the top of inlet unit, water unit, temporary location S, temporary location Y, temporary location Z or bottom；
Described cover plate is configured with hole, and there are blind hole or via in hole.
Described inlet unit, water unit, temporary location S, temporary location Y, temporary location Z cross sections are is size
Identical polygon, or square, with technique chamfering.
Described combined type sewage treatment equipment casing by inlet unit, water unit, temporary location S, temporary location Y,
Temporary location Z is combined into any one more than 3 row, 3 array apparatus casing device box.
Described inlet unit, water unit, temporary location S, temporary location Y, temporary location Z are one-shot forming corrosion resistant materials
Material.
The described combination type dirt being made up of inlet unit, water unit, temporary location S, temporary location Y, temporary location Z
Water treatment facilities casing is fixed by framework, or is welded and fixed.
Described one-shot forming anticorrosive material is the steel of corrosion resistant, or plastics, or plastic composite materials steel, or plastic-aluminum
Any one in composite.
A kind of nominal definition of combined type sewage treatment equipment casing：Defined on the basis of top view, from top to bottom, top
Referred to as the first row, from left to right, left side is referred to as first row；Temporary location S is defined as the front through hole with horizontal line direction with after
Through hole, temporary location Y are defined as the front through hole with horizontal line direction and right side through hole, and temporary location Z is defined as with level
The front through hole and PATENT left side via in line direction.Horizontal direction is identical with the horizontal line of the earth, the gravity direction of vertical direction and the earth
It is identical.
A kind of operation principle of combined type sewage treatment equipment casing：Because the composition of sewage is different, the method for process is different；
The gas being added in sewage-treatment plant casing is different with cleaning of substances, needs the time to be processed different；According to concrete process
Sewage composition and capacity are designing combined sewage water processing meanss casing to meet different real needs.
Sewage disposal sequence of flow is illustrated by taking 4 row units and 4 column unit combined type sewage treatment equipment casings as an example：First
First unit of row is inlet unit, is 2 temporary location S, 1 temporary location Y successively；The 4th unit of second row is middle
Unit Z, it is 2 temporary location S successively to be successively, and first unit of the second row is temporary location Z；First list of the third line
Unit is temporary location Y, is 2 temporary location S successively, and the 4th unit of the third line is temporary location Y；The 4th list of fourth line
Unit is temporary location Z, and it is 2 temporary location S successively to be successively, and first unit of fourth line is water unit.Sewage is from
A line inlet unit is entered, through the bottom horizontal flow sheet of four rows, and turnover up and down in each cell, it is biological in multistage A/O
After contact oxidation method processes sanitary sewage, discharge from fourth line water unit.
A kind of marked improvement of combined method of sewage-treatment plant casing of patent of the present invention and technical characterstic are main core
Heart component unit only 5, unit square structure maximally utilize space, and combination type installs sewage-treatment plant casing, standard
Metaplasia produces component unit, effectively lowers production cost, cost of transportation, installation cost；Significant advantage is also included according to enforcement work
The area on ground is different and combine the Combined splice of the suitable landform such as squarely, rectangle, effectively using floor space；And according to
The requirement of sewage load carries out unit-combination type splicing and installs, the abundant Optimum utilization of sewage disposal capacity.This sewage disposal is filled
Casing is put using multistage A/O Treating living sewage: bio-contact oxidation methods, simple to operate, operating cost is low, high treating effect, fortune
Go and stablize, be domestic sewage treatment process more ripe at present, can effective denitrogenation dephosphorizing.
Description of the drawings
Fig. 1 4X4 combined type sewage treatment equipment casing schematic top plan views.
Fig. 2 4X4 combined type sewage treatment equipment casing front view schematic diagrams.
Fig. 3 4X4 combined type sewage treatment equipment casing left view schematic diagrams.
Fig. 4 combined type sewage treatment equipment casing inlet unit schematic diagrams.
Fig. 5 combined type sewage treatment equipment casing temporary location S schematic diagrams.
Fig. 6 combined type sewage treatment equipment casing temporary location Y schematic diagrams.
Fig. 7 combined type sewage treatment equipment casing temporary location Z schematic diagrams.
Fig. 8 combined type sewage treatment equipment casing water unit schematic diagrams.
In figure：Inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5.
Specific embodiment
Embodiment one,
Implement patent of the present invention, a kind of combined method of sewage-treatment plant casing, at sewage in the place needed in sewage disposal
Reason device box includes inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5, described water inlet
Unit 1 is provided with top water inlet, and described water unit 2 is provided with top outlet, described inlet unit 1, water unit 2,
Temporary location S3, temporary location Y4, temporary location 5Z are equipped with lower through-hole, described temporary location S3, temporary location Y4, in
Between unit Z5 be equipped with upper through-hole；The annexation of described combined type sewage treatment equipment casing is：Pending sewage
Connected with the top water inlet of inlet unit 1 by sewage water inlet pipe, inlet unit 1, water unit 2, temporary location S3, centre
The lower through-hole connection of unit Y4, temporary location Z5 units, temporary location S3, temporary location Y4, the top of temporary location Z5 are led to
Hole connects, and processed qualified discharge water is connected with drain pipe by the top outlet of water unit 1.
A kind of combined method of sewage-treatment plant casing, it is characterised in that：Sewage-treatment plant casing includes that water inlet is single
Unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5；Concrete combination step is as follows：
The level leveling of ground surface is carried out in the place for implementing sewage-treatment plant casing；
Calculate the discharge of sewage and Capacity design goes out the unit sum of sewage-treatment plant casing needs, i.e. inlet unit 1, water outlet list
Unit 2, temporary location S3, temporary location Y4, the sum of temporary location Z5；
Specifically describe 4X4 unit sewage-treatment plant box body combinations steps as follows：First unit of the first row is inlet unit 1,
It is 2 temporary location S3,1 temporary location Y4 successively；The 4th unit of second row is temporary location Z5, is 2 centres successively
Cell S 3, first unit of the second row is temporary location Z5；First unit of the third line is temporary location Y4, is 2 successively
Individual temporary location S3, the 4th unit of the third line is temporary location Y4；The 4th unit of fourth line is temporary location Z5, successively
It is 2 temporary location S3, first unit of fourth line is water unit 2；
At the combined-type sewage be made up of inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5
Reason device box is fixed by framework.
Sewage-treatment plant casing is arranged on more than ground.
Described inlet unit 1 is provided with top water inlet, and sewage is entered；Water unit 2 is provided with top outlet；Described
Inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5 are equipped with lower through-hole；Described centre
Cell S 3, temporary location Y4, temporary location Z5 are equipped with upper through-hole；The connection of described combined type sewage treatment equipment casing
Relation is：Pending sewage is connected with the top water inlet of inlet unit 1 by sewage water inlet pipe, inlet unit 1, water outlet list
Unit 2, temporary location S3, temporary location Y4, temporary location Z5 units lower through-hole connection, temporary location S3, temporary location Y4,
The upper through-hole connection of temporary location Z5, processed qualified discharge water pass through top outlet and the draining of water unit 2
Pipe connection is excluded.
Described temporary location S3 is provided with front through hole and rear through hole, and temporary location Y4 is provided with front through hole and right side is logical
Hole, temporary location Z5 are provided with front through hole and PATENT left side via.
Position of the position of described 1 top water inlet of inlet unit higher than 2 top outlet of water unit, water unit
The position of 2 top outlets is higher than temporary location S3, described temporary location S3, temporary location Y4, the top of temporary location Z5
Via height position consistency, described inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5 are mono-
The lower through-hole height and position of unit is consistent.Temporary location S3, temporary location Y4, temporary location Z5 are standard components, temporary location
S3, temporary location Y4, temporary location Z5 can be applied in combination according to connection request horizontal direction left rotation and right rotation.
Described inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5 cross sections are
It is equivalently-sized square, 45 degree of surrounding chamfering.
Described inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5 are each equipped with lid
Plate.Described cover plate with inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5 at the top of or bottom
Portion is engaged, and described cover plate is configured with hole, and there are blind hole or via in hole.
Described combined type sewage treatment equipment casing is by inlet unit 1, water unit 2, temporary location S3, temporary location
Y4, temporary location Z5 are combined into 4 row, 4 array apparatus casing.
Described inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5 are one-shot formings
Anticorrosive material.Described one-shot forming anticorrosive material is the steel of corrosion resistant.
The described group being made up of inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5
Box-like sewage-treatment plant casing is fixed by framework.
Description of the process：After sewage first passes around grid filtration removal granule debris, homogenizing is carried out into regulating reservoir and measured, so
Afterwards by pump or gravity flow into device box A level biological contact oxidation ponds, be hydrolyzed in the presence of microorganism acidifying and nitre
Change Denitrification, reduce organic concentration, aerobic biochemical reaction is carried out subsequently into O levels contact-oxidation pool, further reduced
The indexs such as Organic substance in water and ammonia nitrogen, total phosphorus, then flow into depositing reservoir and carry out mud-water separation, depositing reservoir supernatant flows into sterilization pool,
Add qualified discharge after antibacterial sterilization.
Process characteristic：（1）Using ripe A/O techniques, with good treatment effect, have while organics removal
There is preferable Nitrogen/Phosphorus Removal.
（2）Organically combined with biomembrance process using traditional activated sludge, the Nitrogen/Phosphorus Removal of strengthening system, particularly
Each biochemistry pool has the micro- reaction members of countless AAO, enhances the denitrification effect of system.
（3）Using new and effective bio-carrier, easy to be filmed, life-span length, instant effect.（4）Whole device casing has
Preferable anti impulsion load ability, with the characteristics of adapting to water quality, the water yield and change.（5）Using centralization control, automatic operating,
It is simple to operate easily and management and maintenance, substantially increase reliability, the stability of system.
（6）This sewage-treatment plant casing may be installed more than ground, also all can bury and underground, and floor space is little, peace
Dress is convenient.
Embodiment two,
Implement patent of the present invention, a kind of combined method of sewage-treatment plant casing, at sewage in the place needed in sewage disposal
Reason device box is combined into 3 rows 3 by inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5 and arranges
Device box.
Described inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5 are one-shot formings
Anticorrosive material.Described one-shot forming anticorrosive material is steel and plastic composite material.
The described group being made up of inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5
Box-like sewage-treatment plant casing is fixed by fusion weld.
Remaining is repeated no more with embodiment one.
Embodiment three,
Implement patent of the present invention, a kind of combined method of sewage-treatment plant casing, at sewage in the place needed in sewage disposal
Reason device box is combined into 5 rows 6 by inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5 and arranges
Device box.
Described inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5 are once to extrude
Molding anticorrosive material.Described one-shot forming anticorrosive material is the plastics of corrosion resistant.
The described group being made up of inlet unit 1, water unit 2, temporary location S3, temporary location Y4, temporary location Z5
Box-like sewage-treatment plant casing is fixed by framework.
Remaining is repeated no more with embodiment one.
Claims (10)
1. a kind of combined method of sewage-treatment plant casing, it is characterised in that：Sewage-treatment plant casing includes inlet unit,
Go out
Water unit, temporary location S, temporary location Y, temporary location Z；Concrete combination step is as follows：
1.1. the level leveling of ground surface is carried out in the place for implementing sewage-treatment plant casing；
1.2. go out the unit sum of sewage-treatment plant casing needs according to the discharge of sewage and Capacity design for having calculated, i.e.,
Inlet unit, water unit, temporary location S, temporary location Y, the sum of temporary location Z；
Specifically describe 4X4 unit sewage-treatment plant casings as follows：First unit of the first row is inlet unit, is 2 successively
Temporary location S, 1 temporary location Y；The 4th unit of second row is temporary location Z, is 2 temporary location S successively, the second row
First unit be temporary location Z；First unit of the third line is temporary location Y, is 2 temporary location S successively, the 3rd
The 4th capable unit is temporary location Y；The 4th unit of fourth line is temporary location Z, is 2 temporary location S successively, the 4th
First capable unit is water unit；
The combined type sewage treatment equipment being made up of inlet unit, water unit, temporary location S, temporary location Y, temporary location Z
Casing is fixed by framework, or is welded and fixed；
Sewage-treatment plant casing is arranged on more than ground, or is all embedded in underground.
2. a kind of combined method of sewage-treatment plant casing as claimed in claim 1, it is characterised in that：Described water inlet list
Unit is provided with top water inlet, and sewage is entered；Water unit is provided with top outlet；Described inlet unit, water unit, centre
Cell S, temporary location Y, temporary location Z are equipped with lower through-hole；Described temporary location S, temporary location Y, temporary location Z are equal
It is provided with upper through-hole；The annexation of described combined type sewage treatment equipment casing is：Pending sewage is entered by sewage
Water pipe is connected with the top water inlet of inlet unit, inlet unit, water unit, temporary location S, temporary location Y, temporary location
The lower through-hole connection of Z unit, temporary location S, temporary location Y, the upper through-hole connection of temporary location Z, processed reaches
Mark discharge water is connected exclusion by the top outlet of water unit with drain pipe.
3. a kind of combined method of sewage-treatment plant casing as claimed in claim 1, it is characterised in that：It is single in the middle of described
First S is provided with front through hole and rear through hole, and temporary location Y is provided with front through hole and right side through hole, and temporary location Z is provided with front through hole
And PATENT left side via.
4. a kind of combined method of sewage-treatment plant casing as claimed in claim 1, it is characterised in that：Described water inlet list
Position of the position of first top water inlet higher than water unit top outlet, during the position of water unit top outlet is higher than
Between cell S, described temporary location S, temporary location Y, consistent, the described water inlet of upper through-hole height and position of temporary location Z
Unit, water unit, temporary location S, temporary location Y, temporary location Z unit lower through-hole height and position it is consistent.
5. a kind of combined method of sewage-treatment plant casing as claimed in claim 1, it is characterised in that：Described water inlet list
Unit, water unit, temporary location S, temporary location Y, temporary location Z are each equipped with cover plate, described cover plate with inlet unit,
At the top of water unit, temporary location S, temporary location Y, temporary location Z or bottom is engaged；Described cover plate is configured with hole, hole
There are blind hole or via.
6. a kind of combined method of sewage-treatment plant casing as claimed in claim 4, it is characterised in that：Described water inlet list
Unit, water unit, temporary location S, temporary location Y, temporary location Z cross sections are is equivalently-sized polytropy, or just
It is square, with technique chamfering.
7. a kind of combined method of sewage-treatment plant casing as claimed in claim 1, it is characterised in that：Described combination type
Sewage-treatment plant casing is combined into 3 rows 3 by inlet unit, water unit, temporary location S, temporary location Y, temporary location Z and arranges
Any one more than device box device box.
8. a kind of combined method of sewage-treatment plant casing as claimed in claim 1, it is characterised in that：Described water inlet list
Unit, water unit, temporary location S, temporary location Y, temporary location Z are one-shot forming anticorrosive materials.
9. a kind of combined method of sewage-treatment plant casing as claimed in claim 1, it is characterised in that：It is described by intaking
Unit, water unit, temporary location S, temporary location Y, the combined type sewage treatment equipment casing of temporary location Z compositions are by frame
Frame is fixed, or is welded and fixed.
10. a kind of combined method of sewage-treatment plant casing as claimed in claim 1, it is characterised in that：It is described once
Molding anticorrosive material is the steel of corrosion resistant, or plastics, or plastic composite materials steel, or any one in aluminium plastic composite material
Kind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214268.0A CN106517521A (en) | 2016-12-26 | 2016-12-26 | Sewage treatment device box body combination method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214268.0A CN106517521A (en) | 2016-12-26 | 2016-12-26 | Sewage treatment device box body combination method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106517521A true CN106517521A (en) | 2017-03-22 |
Family
ID=58338731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611214268.0A Pending CN106517521A (en) | 2016-12-26 | 2016-12-26 | Sewage treatment device box body combination method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106517521A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203625199U (en) * | 2013-11-14 | 2014-06-04 | 煤科集团杭州环保研究院有限公司 | Box type domestic sewage treatment unit |
| CN104310509A (en) * | 2014-11-07 | 2015-01-28 | 江苏金梓环境科技有限公司 | Assembled wastewater treatment equipment |
| US20160272508A1 (en) * | 2013-03-18 | 2016-09-22 | Mississippi International Water (China) Inc. | Combined device for sewage deep treatment and treatment method |
| CN106082566A (en) * | 2016-08-18 | 2016-11-09 | 山东地卫环保科技有限公司 | The buried sewage disposal system of modularity |
-
2016
- 2016-12-26 CN CN201611214268.0A patent/CN106517521A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160272508A1 (en) * | 2013-03-18 | 2016-09-22 | Mississippi International Water (China) Inc. | Combined device for sewage deep treatment and treatment method |
| CN203625199U (en) * | 2013-11-14 | 2014-06-04 | 煤科集团杭州环保研究院有限公司 | Box type domestic sewage treatment unit |
| CN104310509A (en) * | 2014-11-07 | 2015-01-28 | 江苏金梓环境科技有限公司 | Assembled wastewater treatment equipment |
| CN106082566A (en) * | 2016-08-18 | 2016-11-09 | 山东地卫环保科技有限公司 | The buried sewage disposal system of modularity |
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Application publication date: 20170322 |
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