CN208649035U - An environmental engineering wastewater treatment device - Google Patents
An environmental engineering wastewater treatment device Download PDFInfo
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- CN208649035U CN208649035U CN201721380581.1U CN201721380581U CN208649035U CN 208649035 U CN208649035 U CN 208649035U CN 201721380581 U CN201721380581 U CN 201721380581U CN 208649035 U CN208649035 U CN 208649035U
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Abstract
本实用新型涉及一种环境工程废水处理装置，属于水处理技术领域；所述的环境工程废水处理装置包括初级处理池、过滤池、厌氧池、MBR池和清水池；需要处理的环境工程废水进入初级处理池内，经过漂浮物去除及初级过滤后，从过滤池下部流入过滤池内，水通过溢流的方式从下至上逐级经过丝网填料、陶粒填料、活性炭填料和无纺布填料，将固废物拦截在过滤池的下部，经过过滤池深度过滤及吸附处理的废水流入厌氧池内，进行反硝化处理，经反硝化处理的废水导入MBR池，进行MBR膜处理，经过MBR膜处理得到的清水储存到清水池内，进行排放处理或是循环使用；整个处理工艺流程简单，固废物收集处理方便，MBR膜不易堵塞，废水处理效率高。
The utility model relates to an environmental engineering wastewater treatment device, belonging to the technical field of water treatment; the environmental engineering wastewater treatment device comprises a primary treatment tank, a filter tank, an anaerobic tank, an MBR tank and a clear water tank; the environmental engineering wastewater to be treated After entering the primary treatment tank, after removal of floating matter and primary filtration, it flows into the filter tank from the lower part of the filter tank. The solid waste is intercepted in the lower part of the filter tank, and the wastewater after deep filtration and adsorption treatment in the filter tank flows into the anaerobic tank for denitrification treatment, and the denitrified wastewater is introduced into the MBR tank for MBR membrane treatment. The clean water is stored in the clean water tank for discharge treatment or recycling; the entire treatment process is simple, the solid waste collection and treatment is convenient, the MBR membrane is not easy to block, and the wastewater treatment efficiency is high.
Description
Technical field
The utility model belongs to water-treatment technology field, specifically, being related to a kind of environmental project wastewater treatment equipment.
Background technique
Membrane bioreactor (Membrane Bioreactor, abbreviation MBR) is a kind of more advanced sewage disposal technology,
MBR is one made of organically combining the high efficient solid and liquid separation effect of membrane module with microbiological deterioration in bioreactor
Kind wastewater treatment and reuse technology, it, instead of the secondary settling tank and after-treatment system in conventional processes, is simplified with membrane module
Process flow.Traditional MBR sewage treatment process is general are as follows: raw water, grid, conditioning tank, bioreactor, film group
Part, but due to often containing a large amount of floating material, solid waste and all kinds of metal ions and organic matter, nothing in environmental project waste water
Machine object, using traditional treatment process, it is inconvenient that solid waste collects processing, and the blocking of MBR film is easily caused in treatment process, needs
Will backwash repeatedly, reduce the service life of film, reduce waste water treatment efficiency.
Therefore, it is necessary to improve to existing environmental project wastewater treatment equipment, keep its process flow simple, and grasps
It facilitates, waste water treatment efficiency is high.
Summary of the invention
In order to solve the problems, such as background technique, the utility model provides a kind of environmental project wastewater treatment dress
It sets.
The environmental project wastewater treatment equipment includes primary treatment pond, filtering ponds, anaerobic pond, the pond MBR and clear water reserviors；
Flase floor is tiltedly installed in the middle part of the primary treatment pond, top one end of flase floor, which leans against, to be fixed in primary treatment pond
On boss on wall, lower section one end and primary treatment pond are hinged, and offer hermatic door at the articulated position in primary treatment pond,
The lower section of hermatic door is equipped with waste residue slot, and the top in primary treatment pond is open design, and open is inclined-plane, in primary treatment pond
Top is fixed by the bracket the floater dragging device for being equipped with and being adapted with primary treatment pond opening size, the floating material
One end of the rotary shaft of marine salvage equipment and the output axis connection of motor, gear I are fixedly attached to the rotary shaft close to I side of motor
On I, gear III is fixedly attached to far from I side rotary shaft I of motor, and one end of rotary shaft II and the output shaft of motor II connect
It connects, gear II is fixedly attached to the rotary shaft II close to II side of motor, and gear IV is fixedly attached to far from II 1 sidespin of motor
In shaft II, it is equipped with chain I between gear I and gear II, chain II, motor I and motor are equipped between gear III and gear IV
II is synchronous motor, is horizontally fixed with web plate between chain I and chain II；The lower part in the primary treatment pond by pipeline with
The entrance of filtering ponds lower part connects, and pipeline is equipped with pump I；It is successively arranged from top to bottom inside the filtering ponds in entrance top
The entrance lower section of wire packing, ceramics filling, active carbon filler and non-woven carrier, filtering ponds is bullet, bullet bottom
Pressure detector is installed, and offers sewage draining exit I, sewage draining exit I is connected by the entrance of pipeline and solid-liquid separating machine, on pipeline
Equipped with control valve, the input terminal of the output end of the pressure detector and controller is connected, the output end of controller and solid
Liquid separator is connected with control valve, and the liquid that solid-liquid separating machine obtains can return to filtering ponds or otherwise processed, is obtained
Solid slag is as solid waste processing；Interval is vertically equipped with length and is less than anaerobic pond height and is greater than anaerobic pond in the anaerobic pond
The upper spacer and lower clapboard of mid-height, upper spacer one end are fixed on top cover, and the other end is equipped with flow deflector, and lower clapboard is fixed on
On bottom wall；The MBR bottom of pond portion is equipped with ultrasonic oscillator, and ultrasonic oscillator is connect with external excusing from death wave apparatus, in ultrasound
Aeration tube is equipped with above wave oscillator, aeration tube is equipped with aeration head, and aeration tube is connect with appendix, appendix and external air blast
Machine connection, is equipped with MBR membrane module above aeration head；The side of the anaerobic pond is connected to by pipeline with the top of filtering ponds,
The other side is connected to by pipeline with triple valve；The pond the MBR lower part is equipped with sewage draining exit II, and is equipped with two branches, and one logical
It crosses pipeline connect with the outlet of pump III, pumps III entrance and connect by pipeline with triple valve, one passes through pipeline and pumps II and enter
Mouthful connection, pumps II outlet and is connect by pipeline with anaerobic pond；The clear water reserviors by pipeline respectively with triple valve and the pond MBR
Connection, while being equipped with water outlet；Valve is designed on all pipelines.
Further, in vertical direction with 60-80 °, the tilt angle of the flase floor is on the open inclined-plane
30-45 °, aperture is 4-8 mm.
Further, top one end of the flase floor is connected with rope, which wears from the opening in primary treatment pond
Out, it around the fixed pulley being fixed on the outer wall of primary treatment pond, is wrapped on wire spool, wire spool is equipped with rotating handle.
The utility model has the beneficial effects that floater dragging device is arranged in the utility model, it can facilitate and be floated in realization waste water
The salvaging of floating object；By the waste water that floating material salvaging and primary filter obtain, successively pass through wire packing, ceramics filling, activity
The filtering and absorption of carbon filling material and non-woven carrier greatly reduce the workload of subsequent MBR film process, avoid film
Blocking failure and frequent MBR film backwash operation；Waste water in filtering ponds is by way of overflow from bottom to up step by step by each
Filter layer intercepts solid waste in the lower part of filtering ponds, facilitates the processing of solid waste, and automatically control and filter by pressure sensitive
The discharge of pond lower part solid waste makes to maintain solid content appropriate in filtering ponds, makes it have preferable filtering absorption property；Anaerobism
It is spaced vertically arranged upper spacer and lower clapboard in pond, extends flow path of the waste water in anaerobic pond, makes waste water in anaerobism
More fully anti-nitration reaction is carried out in pond, improves treatment effeciency；Mixture in the pond MBR is back to anaerobic pond, makes to live
Property sludge and effective bacterium can reuse, avoid being lost, while substantially reducing the denitrifying generation cycle in anaerobic pond, promoted
The nitrification and denitrification rate of sewage；Clear water reserviors are connect with triple valve by pipeline, it as needed can will be clear in clear water reserviors
Water is imported in the pond MBR by triple valve and is backwashed, and additional backwashing pump and relevant device are not necessarily to；The utility model is logical
It crosses and sets gradually primary treatment pond, filtering ponds, anaerobic pond, the pond MBR and clear water reserviors, interact between each processing pond, it is entire to locate
It is simple to manage process flow, solid waste collects processing conveniently, and MBR film is not easy to plug, long service life, and treatment effeciency is high, realizes ring
The efficient process of border construction waste water makes treated waste water reach discharge and standard is recycled.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the vertical view figure structure schematic representation of the utility model floater dragging device；
Fig. 3 is the enlarged diagram near the utility model wire spool；
Fig. 4 is the control signal figure of the utility model automatic control system；
In figure, 1- primary treatment pond, 2- filtering ponds, 3- anaerobic pond, the pond 4-MBR, 5- clear water reserviors, 6- floating material salvaging set
It is standby, 6-1- motor I, 6-11- motor II, 6-2- gear I, 6-22- gear II, 6-3- chain I, 6-33- chain II, 6-4- net
Plate, 6-5- rotary shaft I, 6-55- rotary shaft II, 6-6- gear III, 6-66- gear IV, 7- fixed pulley, 8- flow deflector, 9- pipeline,
10- support frame, 11- rope, 12- rotating handle, 13- wire spool, 14- hermatic door, 15- boss, 16- waste residue slot, 17- grid
Plate, 18- sewage draining exit I, 19- valve, 20- wire packing, 21- ceramics filling, 22- active carbon filler, 23- non-woven carrier, 24-
Pressure detector, 25- control valve, 26- solid-liquid separating machine, 27- upper spacer, 28- lower clapboard, 29- triple valve, 30- air blower,
31- appendix, 32- aeration tube, 33- ultrasonic oscillator, 34- aeration head, 35- sewage draining exit II, 36- water outlet, 37- motor, 38-
MBR membrane module, 39- pump I, 39-1- and pump II, 39-2- pump III.
Specific embodiment
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, below in conjunction with attached drawing, to this
The preferred embodiment of utility model is described in detail, to facilitate the technical staff to understand.
The environmental project wastewater treatment equipment includes primary treatment pond 1, filtering ponds 2, anaerobic pond 3, the pond MBR 4 and clear
Pond 5.
The middle part in the primary treatment pond 1 is tiltedly installed with flase floor 17, filters biggish solid waste, realizes to sewage
Primary filtration, top one end of flase floor 17, which leans against, to be fixed on the boss 15 on 1 inner wall of primary treatment pond, lower section one end with
Primary treatment pond 1 is hinged, and hermatic door 14 is offered at the articulated position in primary treatment pond 1, to facilitate tearing open for flase floor 17
The lower section of dress cleaning, hermatic door 14 is equipped with waste residue slot 16, when flase floor 17 intercepts more solid waste, by primary treatment pond 1
Water level be down to flase floor 17 hereinafter, open hermatic door 14, solid waste is cleared up to waste residue slot 16；Primary treatment pond 1 it is upper
Side is open design, and open is inclined-plane, is fixed by the bracket and is equipped with and primary treatment pond 1 in the top in primary treatment pond 1
The adaptable floater dragging device 6 of open size；One end of I 6-5 of rotary shaft of the floater dragging device 6 and motor
The output axis connection of I 6-1, I 6-2 of gear are fixedly attached on I 6-5 of rotary shaft of I side 6-1 of motor, and III 6-6 of gear is solid
Surely it is socketed in far from I side 6-1 rotary shaft of motor, I 6-5, one end of II 6-55 of rotary shaft and the output shaft of II 6-11 of motor connect
It connects, II 6-22 of gear is fixedly attached to II 6-55 of rotary shaft close to II side 6-11 of motor, and IV 6-66 of gear is fixedly attached to
Far from II side 6-11 rotary shaft of motor, II 6-55, I 6-3 of chain, gear III are equipped between II 6-22 of I 6-2 of gear and gear
It is equipped with II 6-33 of chain between IV 6-66 of 6-6 and gear, web plate, I 6-1 of motor and motor are fixed between chain I and chain II
II 6-11 is synchronous motor, under the action of motor I 6-1 and II 6-11 of motor, drives I 6-5 of rotary shaft and II 6-55 of rotary shaft
And gear rotation thereon, so that the chain rotation being meshed with gear, drives web plate 6-4 in the upper of primary treatment pond 1
Floating material is intercepted and releases primary treatment pond 1 by Fang Yidong；The lower part in the primary treatment pond 1 passes through pipeline 9 and filtering ponds
The entrance of 2 lower parts connects, and pipeline 9 is equipped with pump I 39, will import filtering by the waste water of 1 primary filtration of primary primary treatment pond
Pond 2.
It is successively arranged wire packing 20, ceramics filling 21, activity from top to bottom in entrance top inside the filtering ponds 2
Carbon filling material 22 and non-woven carrier 23 further filter waste water, while adsorbing the lesser solid waste of partial size and part
Biological treatment is difficult to the foreign ions such as the metal ion degraded, and reduces the workload of subsequent MBR film process, avoids film
Blocking failure；And the mode for passing water through overflow intercepts solid waste in filtering ponds 2 from bottom to up step by step by each filter layer
Lower part, facilitate the processing of solid waste；It is bullet below the entrance of filtering ponds 2, facilitates the sedimentation of solid waste, bullet bottom
Pressure detector 24 is installed, and offers sewage draining exit I 18, sewage draining exit I 18 is connected by the entrance of pipeline 9 and solid-liquid separating machine 26
It connects, pipeline 9 is equipped with control valve 25, and the output end of the pressure detector 24 and the input terminal of controller connect, control
The output end of device is connect with solid-liquid separating machine 26 and control valve 25；With the extension of wastewater treatment time, 2 lower part of filtering ponds
The intracorporal solid waste content of taper is higher and higher, and water body density is increasing, is mounted on bullet bottom and is equipped with pressure detection
Device 24 will test the increasing pressure, and the pressure data that will test is transferred to controller, when detected value is greater than setting
When value, controller output signal, control opens control valve 25 and opens solid-liquid separating machine 26, and extraction solid content is biggish useless
Water is separated by solid-liquid separation, obtained solid residue collection processing, and gained filtrate, which can choose, returns to filtering ponds 2, works as pressure detector
When 24 pressure datas detected are less than setting value, solid-liquid separating machine 26 and control valve 25 are closed in controller control.Pass through pressure
Power induction automatically controls the discharge of solid waste, makes to maintain solid content appropriate in filtering ponds 2, to guarantee that it is preferable that filtering ponds have
Absorption property is filtered, to reduce the workload of aftertreatment technology.
Interval is vertically less than 3 height of anaerobic pond equipped with length and is greater than 3 mid-height of anaerobic pond in the anaerobic pond 3
Upper spacer 27 and lower clapboard 28,27 one end of upper spacer are fixed on top cover, and the other end is equipped with flow deflector 8, and lower clapboard 28 is fixed on
On bottom wall, the setting of upper spacer 27 and lower clapboard 28 extends flow path of the waste water in anaerobic pond 3, makes waste water in anaerobic pond 3
Interior progress more fully anti-nitration reaction, improves treatment effeciency.
The side of the anaerobic pond 3 is connected to by pipeline 9 with the top of filtering ponds 2, and the other side passes through pipeline 9 and triple valve
29 connections.
4 bottom of the pond MBR is equipped with ultrasonic oscillator 33, and ultrasonic oscillator 33 is connect with external excusing from death wave apparatus,
It is not drawn into excusing from death wave apparatus in attached drawing, aeration tube 32 is equipped with above ultrasonic oscillator 33, aeration tube 32 is equipped with aeration head 34,
Aeration tube 32 is connect with appendix 31, and appendix 31 is connect with external air blower 30, and MBR film group is equipped with above aeration head 34
Part 38.
4 lower part of the pond MBR is equipped with sewage draining exit II 35, it may be necessary to waste be discharged by sewage draining exit II 35, and set
There are two branches, one is connect by pipeline 9 with the outlet for pumping III 39-2, and the entrance of III 39-2 of pump passes through pipeline 9 and triple valve
The waste water handled by anaerobic pond 3 is imported the pond MBR 4, carries out MBR film process by 29 connections, the branch；One by pipeline 9 with
The entrance connection of II 39-1 is pumped, the outlet of II 39-1 of pump is connect by pipeline 9 with anaerobic pond 3, which will be mixed in the pond MBR 4
It closes object and is back to anaerobic pond 3, so that activated sludge and effective bacterium is reused, avoid being lost, while substantially reducing anaerobic pond 3
Interior denitrifying generation cycle, the nitrification and denitrification rate of lifting sewage.
The clear water reserviors 5 are connected to triple valve 29 and the pond MBR 4 respectively by pipeline 9, while being equipped with water outlet 36, root
According to needs, sterilizer can be increased in clear water reserviors 5；Obtained clear water, which is handled, by the pond MBR 4 is stored in clear water reserviors 5
It is interior, meanwhile, it, will be in clear water reserviors 5 under the action of pumping III 39-2 when needing to backwash the MBR film in the pond MBR 4
Clear water is imported in the pond MBR 4 by triple valve and is backwashed, and additional backwashing pump and relevant device are not necessarily to；To make to recoil
It washes more efficiently, Vltrasonic device can be opened during the backwash process, cooperation excusing from death effect, more efficient realization is to MBR film
Cleaning.
Valve 19 is designed on all pipelines 9 addressed in the application.
Preferably, in vertical direction with 60-80 °, the tilt angle of the flase floor 17 is on the open inclined-plane
30-45 °, aperture is 4-8 mm.
Preferably, top one end of the flase floor 17 is connected with rope 11, which opens from primary treatment pond 1
Mouth is pierced by, and around the fixed pulley 7 being fixed on 1 outer wall of primary treatment pond, is wrapped on wire spool 13, and wire spool 13 is equipped with rotation
Change hands handle 12.When needing to clear up the solid waste on flase floor 17, rotating handle 12 can be shaken, rope 11 is withdrawn, by grid
Plate 17 is holded up, and solid waste thereon is fallen, and is entered in waste residue slot 16 by hermatic door 14, convenient for the processing of solid waste.
The course of work of the utility model: environmental project waste water to be treated enters in primary treatment pond 1, by floating
After object removal and primary filter, flowed into filtering ponds 2 from 2 lower part of filtering ponds, water is passed through step by step from bottom to up by way of overflow
Wire packing 20, ceramics filling 21, active carbon filler 22 and non-woven carrier 23 are crossed, solid waste is intercepted under filtering ponds 2
Portion.With being continuously increased for 2 lower part solid waste content of filtering ponds, pressure detector 24 will test the increasing pressure, and
The pressure data that will test is transferred to controller, and when detected value is greater than the set value, control is opened in controller output signal, control
Valve 25 processed simultaneously opens solid-liquid separating machine 26, extracts the biggish waste water of solid content out, is separated by solid-liquid separation, and obtained solid residue is collected
Processing, gained filtrate return to filtering ponds 2, when the pressure data that pressure detector 24 detects is less than setting value, controller control
System closes solid-liquid separating machine 26 and control valve 25.Anaerobic pond 3 is flowed by the waste water of 2 depth-type filtration of filtering ponds and adsorption treatment
It is interior, denitrification processing is carried out, the waste water handled through denitrification imports the pond MBR 4, blasts large quantity of air, carries out MBR film process, warp
It crosses the clear water that MBR film process obtains to be stored into clear water reserviors 5, carries out emission treatment or recycling.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (3)
1. a kind of environmental project wastewater treatment equipment, it is characterised in that: the environmental project wastewater treatment equipment includes primary
Processing pond, filtering ponds, anaerobic pond, the pond MBR and clear water reserviors；Flase floor, lattice are tiltedly installed in the middle part of the primary treatment pond
Top one end of screen, which leans against, to be fixed on the boss on the inner wall of primary treatment pond, and lower section one end and primary treatment pond are hinged, and
Hermatic door is offered at the articulated position in primary treatment pond, the lower section of hermatic door is equipped with waste residue slot, the top in primary treatment pond
For open design, and open is inclined-plane, is fixed by the bracket and is equipped with and primary treatment pond is open above primary treatment pond
The adaptable floater dragging device of size, one end of the rotary shaft I of the floater dragging device and the output shaft of motor I
Connection, gear I are fixedly attached in the rotary shaft I of I side of motor, and gear III is fixedly attached to far from I 1 sidespin of motor
In shaft I, one end of rotary shaft II and the output axis connection of motor II, gear II are fixedly attached to the rotation close to II side of motor
Shaft II, gear IV are fixedly attached to far from II side rotary shaft II of motor, and chain I, tooth are equipped between gear I and gear II
Chain II is equipped between wheel III and gear IV, motor I and motor II are synchronous motor, horizontal fixed between chain I and chain II
There is web plate；The lower part in the primary treatment pond is connect by pipeline with the entrance of filtering ponds lower part, and pipeline is equipped with pump I；Institute
It is successively arranged wire packing, ceramics filling, active carbon filler and non-woven fabrics from top to bottom in entrance top inside the filtering ponds stated
The entrance lower section of filler, filtering ponds is bullet, and bullet bottom is equipped with pressure detector, and offers sewage draining exit I, blowdown
Mouthful I is connected by the entrance of pipeline and solid-liquid separating machine, and pipeline is equipped with control valve, the output end of the pressure detection with
The input terminal of controller connects, and the output end of controller is connect with solid-liquid separating machine and control valve respectively；The anaerobic pond
Interior interval is vertically less than anaerobic pond height equipped with length and is greater than the upper spacer and lower clapboard of anaerobic pond mid-height, upper spacer one
End is fixed on top cover, and the other end is equipped with flow deflector, and lower clapboard is fixed on bottom wall；The MBR bottom of pond portion is equipped with ultrasonic wave
Oscillator, ultrasonic oscillator are connect with external excusing from death wave apparatus, and aeration tube is equipped with above ultrasonic oscillator, and aeration tube is equipped with
Aeration head, aeration tube are connect with appendix, and appendix is connect with external air blower, and MBR membrane module is equipped with above aeration head；
The side of the anaerobic pond is connected to by pipeline with the top of filtering ponds, and the other side is connected to by pipeline with triple valve；Described
The pond MBR lower part is equipped with sewage draining exit II, and is equipped with two branches, and one is connect by pipeline with the outlet of pump III, pumps III entrance
It is connect by pipeline with triple valve, one is connect by pipeline with the entrance of pump II, and the outlet for pumping II passes through pipeline and anaerobic pond
Connection；The clear water reserviors are connected to triple valve and the pond MBR respectively by pipeline, while being equipped with water outlet；On all pipelines
It is designed with valve.
2. environmental project wastewater treatment equipment according to claim 1, it is characterised in that: the described open inclined-plane and perpendicular
For histogram at 60-80 °, the tilt angle of the flase floor is 30-45 °, and aperture is 4-8 mm.
3. environmental project wastewater treatment equipment according to claim 1, it is characterised in that: the top one of the flase floor
End is connected with rope, which is pierced by from the opening in primary treatment pond, around the fixed pulley being fixed on the outer wall of primary treatment pond,
It is wrapped on wire spool, wire spool is equipped with rotating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380581.1U CN208649035U (en) | 2017-10-25 | 2017-10-25 | An environmental engineering wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380581.1U CN208649035U (en) | 2017-10-25 | 2017-10-25 | An environmental engineering wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208649035U true CN208649035U (en) | 2019-03-26 |
Family
ID=65770369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721380581.1U Expired - Fee Related CN208649035U (en) | 2017-10-25 | 2017-10-25 | An environmental engineering wastewater treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208649035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110540339A (en) * | 2019-07-30 | 2019-12-06 | 张家港市大新污水处理有限公司 | domestic sewage treatment equipment and treatment process thereof |
| CN112499835A (en) * | 2020-12-22 | 2021-03-16 | 阜阳三达环境检测有限公司 | Environmental protection waste water treatment equipment |
-
2017
- 2017-10-25 CN CN201721380581.1U patent/CN208649035U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110540339A (en) * | 2019-07-30 | 2019-12-06 | 张家港市大新污水处理有限公司 | domestic sewage treatment equipment and treatment process thereof |
| CN112499835A (en) * | 2020-12-22 | 2021-03-16 | 阜阳三达环境检测有限公司 | Environmental protection waste water treatment equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20191025 |