CN106517666A - Sewage purification treatment device of municipal sewage pipe network - Google Patents

Sewage purification treatment device of municipal sewage pipe network Download PDF

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Publication number
CN106517666A
CN106517666A CN201611142068.9A CN201611142068A CN106517666A CN 106517666 A CN106517666 A CN 106517666A CN 201611142068 A CN201611142068 A CN 201611142068A CN 106517666 A CN106517666 A CN 106517666A
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CN
China
Prior art keywords
tank
sewage
filtration net
pond
motor
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.)
Pending
Application number
CN201611142068.9A
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Chinese (zh)
Inventor
施阿丹
Original Assignee
施阿丹
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 施阿丹 filed Critical 施阿丹
Priority to CN201611142068.9A priority Critical patent/CN106517666A/en
Publication of CN106517666A publication Critical patent/CN106517666A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The invention discloses a sewage purification treatment device of a municipal sewage pipe network. The sewage purification treatment device comprises a tank body, wherein a medicament adding hole is formed in the central position of the top of the tank body; a sewage branch pipe is mounted on an outer side of the medicament adding hole; an exhausting hole and a washing pipe are mounted on left and right sides of the sewage branch pipe; stop valves are mounted on outer walls of the sewage branch pipe, the medicament adding hole, the exhausting hole and the washing pipe; a motor is mounted at the top of the outer wall on the right side of the tank body; an external power supply is mounted on the right side of the motor; the motor is electrically connected with the external power supply through a connecting wire; a rotary shaft is mounted at the left end of the motor; the rotary shaft penetrates through the tank body; a crushing paddle is mounted on the outer wall of the rotary shaft; and a rotary shaft ring is mounted at a connecting part of the rotary shaft. According to the sewage purification treatment device of the municipal sewage pipe network, crushing and filtering are more complete under the matching of a coarse filter screen, a fine filter screen, the crushing paddle and a hairbrush, and thus the requirements of people are greatly met.

Description

A kind of sewage purifying and treating device of municipal wastewater pipe network
Technical field
The present invention relates to technical field of sewage, specially a kind of sewage purifying and treating device of municipal wastewater pipe network.
Background technology
As Chinese Urbanization develops, the construction of municipal wastewater pipe network is also increasing, the sewage in these sewage networks Kitchen, lavatory flushing, shower, laundry water etc. is mainly derived from, and in sewage, contains substantial amounts of organic nitrogen and ammonia nitrogen, and phase For some large size cities, usually the sewage of sewage network is flow at one and is focused on, such as Patent No. 201520953667.3 patent, including sewage inlet pipe, sewage inlet pipe porch is provided with grid, and the rear side of grid is arranged There is flow adjustment tank, in flow adjustment tank, be provided with immersible pump, although a certain degree of simple structure, but crush and filter inadequate Thoroughly, drainage screen is easily blocked, it is impossible to meet the demand of people.
The content of the invention
It is an object of the invention to provide a kind of sewage purifying and treating device of municipal wastewater pipe network, to solve above-mentioned background The problem proposed in technology.
For achieving the above object, the present invention provides following technical scheme:A kind of the dirty water decontamination handles of municipal wastewater pipe network Device, including tank body, the top dead center position of the tank body is provided with medicament addition mouth, and the outside of the medicament addition mouth is installed The left and right sides for having branch sewer, the branch sewer is separately installed with air vent and cleaning pipe, and the branch sewer, medicament add Plus the outer wall of mouth, air vent and cleaning pipe is mounted on stop valve, the outer right wall top of the tank body is provided with motor, described External power supply is installed on the right side of motor, the motor is electrically connected with external power supply by connecting line, the left end of the motor Rotating shaft is installed, the rotating shaft runs through tank body, and the outer wall of the rotating shaft is provided with crushing oar, and the junction of the rotating shaft is provided with Rotary collar, is provided with sealing gland on the outside of the rotary collar, the inwall of the tank body is provided with draw-in groove, the crushing oar Bottom is provided with coarse filtration net, and the coarse filtration Netcom is crossed fixed mount and is connected with draw-in groove, the connection for crushing oar and coarse filtration net Place is provided with hairbrush, and the right side inwall of the tank body is provided with dirt storage box, and the outer wall of the dirt storage box is provided with through hole, and the storage is dirty Closure plate is provided with the right side of case, support body is installed with the right side of the closure plate, and the support body is connected with tank body by fixing bolt, The bottom of the coarse filtration net is provided with finly filtration net, and the finly filtration Netcom is crossed fixture and is connected with tank body and dirt storage box respectively, The bottom of the finly filtration net is provided with dividing plate, and the bottom of the dividing plate is provided with microbial degradation pond, and the dividing plate is by connection Pipe is connected with microbial degradation pond, and the bottom in the microbial degradation pond is provided with microbial acidification pond, the microbial degradation pond It is connected with microbial acidification pond by connecting tube, the bottom in the microbial acidification pond is provided with oxidation pond, the microorganism Acidification pool is connected with oxidation pond by connecting tube, and the outer wall of the connecting tube is provided with ball valve, and the right side of the oxidation pond is installed There is outlet.
Preferably, the left side top of the finly filtration net is provided with drainage plate, and the drainage plate passes through fastener and tank body phase Even.
Preferably, the inwall of the tank body is provided with anti-corrosion layer.
Preferably, the closure plate is provided with sealing ring with the junction of tank body.
Preferably, the bottom of the tank body is provided with rubber blanket.
Compared with prior art, the invention has the beneficial effects as follows:The sewage purifying and treating device of the municipal wastewater pipe network, leads to Cross under the cooperation of coarse filtration net, finly filtration net, crushing oar and hairbrush, when the device carries out purified treatment to municipal wastewater, electricity Machine drives crushing oar operating to crush the debris in sewage in the presence of rotary collar by rotating shaft, and coarse filtration net is to powder Sewage after broken is tentatively filtered, and hairbrush is cleared up to coarse filtration net, prevents coarse filtration net from blocking, and finly filtration net is to Jing The sewage crossed after coarse filtration net primary filter carries out secondary filter, crushes and filters more thoroughly, greatly meets people Demand.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the rotary collar structural representation of the present invention;
Fig. 3 is the blind structure schematic diagram of the present invention;
Fig. 4 is the crushing paddle structure schematic diagram of the present invention;
Fig. 5 is the anti-corrosion layer structural representation of the present invention;
Fig. 6 is the theory diagram of the present invention.
In figure:1st, tank body, 2, branch sewer, 3, medicament addition mouth, 4, air vent, 5, cleaning pipe, 6, stop valve, 7, electricity Machine, 8, external power supply, 9, rotating shaft, 10, rotary collar, 11, sealing gland, 12, finly filtration net, 13, fixture, 14, closure plate, 15th, dirt storage box, 16, through hole, 17, support body, 18, fixing bolt, 19, sealing ring, 20, draw-in groove, 21, fixed mount, 22, coarse filtration Net, 23, crush oar, 24, hairbrush, 25, dividing plate, 26, microbial degradation pond, 27, ball valve, 28, microbial acidification pond, 29, connection Pipe, 30, oxidation pond, 31, outlet, 32, fastener, 33, drainage plate, 34, rubber blanket, 35, anti-corrosion layer.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Fig. 1-6 are referred to, the present invention provides a kind of technical scheme:A kind of the dirty water decontamination handles dress of municipal wastewater pipe network Put, including tank body 1, tank body 1 is made up of stainless steel, with characteristic, the top centre bit of tank body 1 such as intensity is high and corrosion-resistant Put and medicament addition mouth 3 is installed, medicament is added into mouth 3 by medicament and is added into tank body 1, the outside of medicament addition mouth 3 is installed There is branch sewer 2, sewage is flowed in tank body 1 through branch sewer 2, and the left and right sides of branch sewer 2 is separately installed with aerofluxuss Mouth 4 and cleaning pipe 5, are discharged by air vent 4 when the gas in tank body 1 is excessive, are injected clearly to tank body 1 by cleaning pipe 5 Water is cleaned to tank body 1, and the outer wall of branch sewer 2, medicament addition mouth 3, air vent 4 and cleaning pipe 5 is mounted on stop valve 6, stop valve 6 is controlled to flow, and the outer right wall top of tank body 1 is provided with motor 7, and the right side of motor 7 is provided with external Power supply 8, motor 7 are electrically connected with external power supply 8 by connecting line, make motor 7 start running by external power supply 8, motor 7 Left end is provided with rotating shaft 9, and rotating shaft 9 runs through tank body 1, and the outer wall of rotating shaft 9 is provided with crushing oar 23, and the junction of rotating shaft 9 is provided with Rotary collar 10, motor 7 drive crushing oar 23 to operate to enter the debris in sewage in the presence of rotary collar 10 by rotating shaft 9 Row is crushed, and the outside of rotary collar 10 is provided with sealing gland 11, and sealing gland 11 plays sealing function, and the inwall of tank body 1 sets There is draw-in groove 20, the bottom for crushing oar 23 is provided with coarse filtration net 22, and the sewage after 22 pairs, coarse filtration net is crushed tentatively is filtered, Coarse filtration net 22 is connected with draw-in groove 20 by fixed mount 21, and the junction for crushing oar 23 with coarse filtration net 22 is provided with hairbrush 24, Hairbrush 24 is cleared up to coarse filtration net 22, prevents coarse filtration net 22 from blocking, and affects the work efficiency of the device, the right side of tank body 1 Side inwall is provided with dirt storage box 15, and the outer wall of dirt storage box 15 is provided with through hole 16, and the right side of dirt storage box 15 is provided with closure plate 14, closure plate 14 Right side be installed with support body 17, support body 17 is connected with tank body 1 by fixing bolt 18, and the bottom of coarse filtration net 22 is provided with carefully Drainage screen 12, finly filtration net 12 are connected with tank body 1 and dirt storage box 15 respectively by fixture 13, through 22 primary mistake of coarse filtration net Finly filtration net 12 is dropped down onto under sewage after filter, and 12 slant setting of finly filtration net, fixture 13 are fixed to finly filtration net 12, Screen-aperture of 12 screen-aperture of finly filtration net less than coarse filtration net 22,12 pairs, finly filtration net is through 22 primary filter of coarse filtration net Sewage afterwards carries out secondary filter, filters more thoroughly, and finly filtration net 12 is inclined the impurity filtered through finly filtration net 12 again Fall in the presence of angle in dirt storage box 15, when the impurity in dirt storage box 15 is excessive, loosens fixing bolt 18 and take out closure plate 14, The impurity taking-up in dirt storage box 15 is put into tank body 1 by cleaning pipe 5 to be crushed again, until crush thorough, finly filtration net 12 bottom is provided with dividing plate 25, and the bottom of dividing plate 25 is provided with microbial degradation pond 26, and dividing plate 25 passes through connecting tube 29 and micro- life Thing degraded pond 26 is connected, and the sewage after 12 secondary filter of finly filtration net flows into microbial degradation pond through connecting tube 29 In 26, the organic substance in sewage is transformed into simple inorganic matters, microbial degradation pond by the microorganism in biodegradation pond 26 26 bottom is provided with microbial acidification pond 28, and microbial degradation pond 26 is connected with microbial acidification pond 28 by connecting tube 29, Jing The sewage crossed after degrading is flowed in microbial acidification pond 28 through connecting tube 29, and sewage is in a large amount of hydrolytic bacterias and acidifying bacterium In the presence of be dissolved organic matter by the insoluble hydrolysis of organic matter in sewage, the macromolecular substances of difficult for biological degradation are converted For the small-molecule substance of easily biological-degradable, so as to improve the biodegradability of waste water, the bottom in microbial acidification pond 28 is provided with oxidation Pond 30, microbial acidification pond 28 are connected with oxidation pond 30 by connecting tube 29, it is acidified after sewage through connecting tube 29 Flow in oxidation pond 30, the sewage and biofilm contact Jing after oxygenation, the activated sludge collective effect of biomembrane and suspension reaches To the effect of purification sewage, the outer wall of connecting tube 29 is provided with ball valve 27, and the right side of oxidation pond 30 is provided with outlet 31, passes through Sewage Jing outlets 31 after purification are discharged, and the left side top of finly filtration net 12 is provided with drainage plate 33, and drainage plate 33 is prevented Sewage is filtered without finly filtration net 12 and is fallen directly in dirt storage box 15, and drainage plate 33 is connected with tank body 1 by fastener 32, tank body 1 inwall is provided with anti-corrosion layer 35, and anti-corrosion layer 35 is made up of politef material, and the junction of closure plate 14 and tank body 1 is pacified Equipped with sealing ring 19, the bottom of tank body 1 is provided with rubber blanket 34.
When the device carries out purified treatment to municipal wastewater, sewage is flowed in tank body 1 through branch sewer 2, is passed through External power supply 8 makes motor 7 start running, and it is right that motor 7 drives crushing oar 23 to operate in the presence of rotary collar 10 by rotating shaft 9 Debris in sewage are crushed, and the sewage after 22 pairs, coarse filtration net is crushed tentatively is filtered, and hairbrush 24 is to coarse filtration net 22 are cleared up, and are prevented coarse filtration net 22 from blocking, are affected the work efficiency of the device, after 22 primary filter of coarse filtration net Sewage under drop down onto finly filtration net 12,12 slant setting of finly filtration net, fixture 13 are fixed to finly filtration net 12, finly filtration Screen-aperture of 12 screen-aperture of net less than coarse filtration net 22,12 pairs, finly filtration net is after 22 primary filter of coarse filtration net Sewage carries out secondary filter, filter more thoroughly, the impurity filtered through finly filtration net 12 12 angle of inclination of finly filtration net again Fall under effect in dirt storage box 15, when the impurity in dirt storage box 15 is excessive, loosens fixing bolt 18 and take out closure plate 14, will be storage dirty Impurity taking-up in case 15 is put into tank body 1 by cleaning pipe 5 and is crushed again, until crush thorough, through finly filtration net 12 Sewage after secondary filter is flowed in microbial degradation pond 26 through connecting tube 29, and the microorganism in biodegradation pond 26 will Organic substance in sewage transforms into simple inorganic matters, and the sewage after degraded flows into microorganism through connecting tube 29 In acidification pool 28, sewage a large amount of hydrolytic bacterias and acidifying bacterium in the presence of by the insoluble hydrolysis of organic matter in sewage for dissolving The macromolecular substances of difficult for biological degradation are converted into the small-molecule substance of easily biological-degradable, so as to improve waste water by property Organic substance Biodegradability, it is acidified after sewage flow in oxidation pond 30 through connecting tube 29, the sewage Jing after oxygenation with it is biological Film is contacted, the activated sludge collective effect of biomembrane and suspension, reaches the effect of purification sewage, the sewage Jing after purification Outlet 31 is discharged.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention And modification, the scope of the present invention be defined by the appended.

Claims (5)

1. a kind of sewage purifying and treating device of municipal wastewater pipe network, including tank body (1), it is characterised in that:Tank body (1) Top dead center position is provided with medicament addition mouth (3), is provided with branch sewer (2) on the outside of medicament addition mouth (3), described The left and right sides of branch sewer (2) is separately installed with air vent (4) and cleaning pipe (5), the addition of branch sewer (2), medicament The outer wall of mouth (3), air vent (4) and cleaning pipe (5) is mounted on stop valve (6), the outer right wall top peace of tank body (1) Equipped with motor (7), external power supply (8) is installed on the right side of motor (7), described motor (7) pass through connecting line and external electricity Source (8) is electrically connected with, and the left end of motor (7) is provided with rotating shaft (9), and described rotating shaft (9) run through tank body (1), the rotating shaft (9) outer wall is provided with crushing oar (23), and the junction of rotating shaft (9) is provided with rotary collar (10), the rotary collar (10) sealing gland (11) is installed on the outside of, the inwall of tank body (1) is provided with draw-in groove (20), the bottom for crushing oar (23) End is provided with coarse filtration net (22), and described coarse filtration net (22) are connected with draw-in groove (20) by fixed mount (21), the crushing oar (23) hairbrush (24) is installed with the junction of coarse filtration net (22), the right side inwall of tank body (1) is provided with dirt storage box (15), the outer wall of dirt storage box (15) is provided with through hole (16), is provided with closure plate (14) on the right side of dirt storage box (15), described stifled Support body (17) is installed with the right side of plate (14), and described support body (17) are connected with tank body (1) by fixing bolt (18), described The bottom of coarse filtration net (22) is provided with finly filtration net (12), described finly filtration net (12) by fixture (13) respectively with tank body (1) it is connected with dirt storage box (15), the bottom of finly filtration net (12) is provided with dividing plate (25), and the bottom of dividing plate (25) sets There is microbial degradation pond (26), described dividing plate (25) are connected with microbial degradation pond (26) by connecting tube (29), micro- life The bottom of thing degraded pond (26) is provided with microbial acidification pond (28), described microbial degradation pond (26) by connecting tube (29) with it is micro- Biological acidification pond (28) is connected, and the bottom of microbial acidification pond (28) is provided with oxidation pond (30), the microbiological acid Change pond (28) to be connected with oxidation pond (30) by connecting tube (29), the outer wall of connecting tube (29) is provided with ball valve (27), institute State and outlet (31) is installed on the right side of oxidation pond (30).
2. the sewage purifying and treating device of a kind of municipal wastewater pipe network according to claim 1, it is characterised in that:It is described thin The left side top of drainage screen (12) is provided with drainage plate (33), and described drainage plate (33) are connected with tank body (1) by fastener (32).
3. the sewage purifying and treating device of a kind of municipal wastewater pipe network according to claim 1, it is characterised in that:The tank The inwall of body (1) is provided with anti-corrosion layer (35).
4. the sewage purifying and treating device of a kind of municipal wastewater pipe network according to claim 1, it is characterised in that:It is described stifled Plate (14) is provided with sealing ring (19) with the junction of tank body (1).
5. the sewage purifying and treating device of a kind of municipal wastewater pipe network according to claim 1, it is characterised in that:The tank The bottom of body (1) is provided with rubber blanket (34).
CN201611142068.9A 2016-12-12 2016-12-12 Sewage purification treatment device of municipal sewage pipe network Pending CN106517666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611142068.9A CN106517666A (en) 2016-12-12 2016-12-12 Sewage purification treatment device of municipal sewage pipe network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611142068.9A CN106517666A (en) 2016-12-12 2016-12-12 Sewage purification treatment device of municipal sewage pipe network

Publications (1)

Publication Number Publication Date
CN106517666A true CN106517666A (en) 2017-03-22

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107837590A (en) * 2017-11-08 2018-03-27 闽南理工学院 A kind of municipal waste residue sewage separating and treating apparatus
CN107986575A (en) * 2017-12-20 2018-05-04 珠海智星荟科技服务有限公司 A kind of filtration apparatus for river sewage purification
CN108314235A (en) * 2018-03-19 2018-07-24 陈晓 A kind of energy saving and environment friendly sewage treatment unit easy to remove
CN108408935A (en) * 2018-03-19 2018-08-17 陈晓 A kind of energy saving and environment friendly integral domestic sewage treatment device
CN108423871A (en) * 2018-03-19 2018-08-21 陈晓 A kind of energy saving and environment friendly domestic sewage treatment device
CN108439660A (en) * 2018-05-24 2018-08-24 陕西工业职业技术学院 A kind of energy saving and environment friendly domestic sewage treatment device
CN108562348A (en) * 2018-05-11 2018-09-21 张海廷 A kind of bubble type pressure water-level gauge with hydrostatic device
CN108706800A (en) * 2018-07-02 2018-10-26 南京奥新可工程科技有限公司 A kind of anticlogging municipal wastewater processing unit
CN109133434A (en) * 2018-10-19 2019-01-04 中国冶集团有限公司 A kind of building construction sewage rainwater integration centralized processor
CN109730873A (en) * 2019-01-04 2019-05-10 赵翠芝 It is a kind of to rush physiological saline collection and treatment device in advance

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107837590A (en) * 2017-11-08 2018-03-27 闽南理工学院 A kind of municipal waste residue sewage separating and treating apparatus
CN107986575A (en) * 2017-12-20 2018-05-04 珠海智星荟科技服务有限公司 A kind of filtration apparatus for river sewage purification
CN108314235A (en) * 2018-03-19 2018-07-24 陈晓 A kind of energy saving and environment friendly sewage treatment unit easy to remove
CN108408935A (en) * 2018-03-19 2018-08-17 陈晓 A kind of energy saving and environment friendly integral domestic sewage treatment device
CN108423871A (en) * 2018-03-19 2018-08-21 陈晓 A kind of energy saving and environment friendly domestic sewage treatment device
CN108562348A (en) * 2018-05-11 2018-09-21 张海廷 A kind of bubble type pressure water-level gauge with hydrostatic device
CN108439660A (en) * 2018-05-24 2018-08-24 陕西工业职业技术学院 A kind of energy saving and environment friendly domestic sewage treatment device
CN108439660B (en) * 2018-05-24 2021-05-04 陕西工业职业技术学院 Energy-concerving and environment-protective type domestic sewage treatment device
CN108706800A (en) * 2018-07-02 2018-10-26 南京奥新可工程科技有限公司 A kind of anticlogging municipal wastewater processing unit
CN109133434A (en) * 2018-10-19 2019-01-04 中国冶集团有限公司 A kind of building construction sewage rainwater integration centralized processor
CN109730873A (en) * 2019-01-04 2019-05-10 赵翠芝 It is a kind of to rush physiological saline collection and treatment device in advance
CN109730873B (en) * 2019-01-04 2021-03-30 赵翠芝 Pre-flushing physiological saline collecting and processing device

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