CN106914134A - A kind of simple filtration device with reverse osmosis membrane net-filter assembly - Google Patents

A kind of simple filtration device with reverse osmosis membrane net-filter assembly Download PDF

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Publication number
CN106914134A
CN106914134A CN201710235257.9A CN201710235257A CN106914134A CN 106914134 A CN106914134 A CN 106914134A CN 201710235257 A CN201710235257 A CN 201710235257A CN 106914134 A CN106914134 A CN 106914134A
Authority
CN
China
Prior art keywords
cartridge filter
filter
reverse osmosis
osmosis membrane
filtration
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
CN201710235257.9A
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Chinese (zh)
Inventor
陈俊锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Lvlong New Material Co Ltd
Original Assignee
Zhejiang Lvlong New Material Co Ltd
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 Zhejiang Lvlong New Material Co Ltd filed Critical Zhejiang Lvlong New Material Co Ltd
Priority to CN201710235257.9A priority Critical patent/CN106914134A/en
Publication of CN106914134A publication Critical patent/CN106914134A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025Reverse osmosis; Hyperfiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/58Multistep processes
    • 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
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis

Abstract

The invention provides a kind of simple filtration device with reverse osmosis membrane net-filter assembly, belong to filter technical field.It solves that existing simple filtration device is not compact enough, the low technical problem of efficiency.This simple filtration device include mounting seat and compression pump, a cartridge filter one with reverse osmosis membrane filter screen and several there is the cartridge filter two of reverse osmosis membrane filter screen;Cartridge filter one and compression pump are laterally installed in mounting seat, all cartridge filters two are vertically disposed in parallel in mounting seat lower section and are detachably connected with the bottom of mounting seat, the delivery port of compression pump is connected with the water inlet of cartridge filter one by flexible pipe one, and the delivery port of cartridge filter one is connected with the water inlet of all cartridge filters two simultaneously by flexible pipe two;The delivery port of cartridge filter two is connected with a drainpipe.Simple filtration device integral arrangement in the present invention is compact, entered preliminary filtering water be diverted to multiple cartridge filters two again in further filtered, efficiently realize water purification function.

Description

A kind of simple filtration device with reverse osmosis membrane net-filter assembly
Technical field
The invention belongs to filter plant technical field, it is related to a kind of water treatment plant, it is particularly a kind of that there is counter-infiltration membrane filtration The simple filtration device of screen component.
Background technology
Reverse osmosis technology principle be in the presence of higher than solution osmotic pressure, can not be through pellicle according to other materials These materials and water are separated;The membrane aperture of reverse osmosis membrane is very small, therefore can be effectively by reverse osmosis membrane filter screen Dissolved salts, colloid, microorganism, organic matter gone in water removal etc..Reverse osmosis membrane is the core parts for realizing counter-infiltration, is a kind of The artificial pellicle with certain characteristic that simulation biological semi-permeable film is made, is typically made of macromolecular material, such as acetate fiber Plain film, aromatic polyhydrazide film, aromatic polyamide film etc., the diameter of its surface micropore are general between 0.5~10nm, pass through Chemical constitution of the size of property with film in itself is relevant, and some macromolecular materials are good to the repellency of salt, and the penetration speed of water is simultaneously It is bad;Some high polymer material chemical structures have more hydrophilic radical, thus the penetration speed of water is relatively fast, therefore a kind of Satisfied reverse osmosis membrane should have appropriate infiltration capacity or salt rejection rate.Reverse osmosis membrane can retain the material more than 0.00001 micron, It is a kind of most fine UF membrane product, the organic matter that its all dissolving salts of energy effectively catching and molecular weight are more than 100, while Allow hydrone to pass through, found broad application in water treatment plant.
Chinese patent notification number:CN203971761U, publication date:2014-12-03 discloses a kind of reverse osmosis membrane group, bag Lid, at least two cylinders and reverse osmosis membrane are included, reverse osmosis membrane is attached separately in cylinder, upper to cover in the openend of all cylinders On, upper lid includes lid, lid water inlet, concentrated water discharge mouth and lid is provided with lid and produces the mouth of a river, is provided with the inside of lid At least two install groove, and one installation groove of each cylinder correspondence is provided with annular boss, annular boss groove center is installed The shoulder hole that axis extends up and down is provided with, the large aperture end of shoulder hole is located at downside, each installation groove of correspondence sets on lid There are reverse osmosis membrane water inlet, reverse osmosis membrane concentrated water discharge mouth and reverse osmosis membrane to produce the mouth of a river, wherein, reverse osmosis membrane produces the mouth of a river and ladder The top small-bore section in hole is communicated, and reverse osmosis membrane concentrated water discharge mouthful is communicated with the large aperture section of shoulder hole;The upper end of reverse osmosis membrane Middle part is provided with the outlet part for raising up, and the upper end of reverse osmosis membrane is provided with concentrated water outlet, the top correspondence insertion lid of reverse osmosis membrane In the shoulder hole of body, wherein in the small-bore section of the raised outlet part insertion shoulder hole of reverse osmosis membrane;Multiple is provided with lid Water route hole, reverse osmosis membrane water inlet is connected by water route hole with lid water inlet, and reverse osmosis membrane concentrated water discharge mouthful is by another One water route hole is connected with concentrated water discharge mouthful, and reverse osmosis membrane is produced the mouth of a river and connected by water route hole and the lid product mouth of a river again.
Reverse osmosis membrane group in above-mentioned patent document is more complicated, and structure arrangement is not compact enough.
The content of the invention
The purpose of the present invention is directed to existing technology and there is above mentioned problem, it is proposed that one kind has reverse osmosis membrane filter screen group The simple filtration device of part, the technical problems to be solved by the invention are:How a kind of easy, compact conformation and efficiency are provided Water treatment plant high.
The purpose of the present invention can be realized by following technical proposal:
A kind of simple filtration device with reverse osmosis membrane net-filter assembly, including mounting seat and compression pump, it is characterised in that The simple filtration device also includes that a cartridge filter one with reverse osmosis membrane filter screen has reverse osmosis membrane filter screen with several Cartridge filter two;The cartridge filter one is laterally installed in the mounting seat, and the compression pump is laterally installed in the cartridge filter On one, all cartridge filters two are vertically disposed in parallel in the mounting seat lower section and are detachably connected with the bottom of the mounting seat, The delivery port of the compression pump is connected with the water inlet of the cartridge filter one by flexible pipe one, and the delivery port of the cartridge filter one leads to Flexible pipe two is crossed while being connected with the water inlet of all cartridge filters two;The delivery port of the cartridge filter two is connected with a drainpipe Connect.
Its principle is as follows:Reverse osmosis membrane aperture of filter screen in the technical program in cartridge filter one is more than anti-in cartridge filter two Permeable membrane aperture of filter screen, raw water is forced into the pressure of 6~20kg by entering cartridge filter one after compression pump pressurization by preliminary filtering The materials such as power, macromolecular can not be by reverse osmosis membrane filter screen, and filter water penetrates reverse osmosis membrane filter screen under the effect of the pressure;Through The water crossed after preliminary filtering carries out fine filtering in entering back into cartridge filter two, and chemical ion and bacterium, fungi, virion etc. can not By the reverse osmosis membrane filter screen in filter cylinder two, these materials are isolated in the side of reverse osmosis membrane filter screen, and pure water passes through filtering Reverse osmosis membrane filter screen in cylinder two goes out to use side by side, reaches the purpose for purifying water;Integral arrangement is tight in the technical program Gather, entered preliminary filtering water be diverted to multiple cartridge filters two again in further filtered, efficiently realize water purification function.
In the above-mentioned simple filtration device with reverse osmosis membrane net-filter assembly, the compression pump, cartridge filter one and mistake Filter cylinder two is cylindrical shape, and the water inlet of the compression pump is connected with water inlet pipe, and the two ends of the flexible pipe one are connected to pressure One end end center of power pump and cartridge filter one.Compression pump and cartridge filter one can be stacked, it is ensured that this simple filtration The compactedness of device.
In the above-mentioned simple filtration device with reverse osmosis membrane net-filter assembly, offered in the mounting seat with it is described The corresponding through hole of cartridge filter 211, the water inlet of the cartridge filter two is located at the water inlet of its end and the cartridge filter two The connector that can pass through the through hole is connected with, the connector is connected with the flexible pipe two.So it is easy to the cloth of flexible pipe two Put, and convenient installation.
In the above-mentioned simple filtration device with reverse osmosis membrane net-filter assembly, one end of the flexible pipe two was connected to The end center of the other end of filter cylinder one, the other end of the flexible pipe two has connecting tube, uniform intervals distribution in the connecting tube There are several attachment caps, the connector on the cartridge filter two can be screwed onto on the attachment cap.Attachment cap and cartridge filter two On connector spiral connection, install convenient.
In the above-mentioned simple filtration device with reverse osmosis membrane net-filter assembly, it is further opened with surrounding in the mounting seat Arcuate socket around the through hole, the arcuate socket is in strip and along through hole circumferentially around one end of the arcuate socket With through hole, the width with diameter greater than the arcuate socket of the through hole, the upper end end of the cartridge filter two has card Joint, has annular slot and the clamping joint can pass through the through hole and be connected to the arcuate socket on the clamping joint The other end.Clamping joint on cartridge filter two passes through through hole, then rotates a certain angle so that draw-in groove is matched somebody with somebody with arcuate socket Close, clamping joint is connected to the other end of arcuate socket, so that cartridge filter two is suspended on the bottom part down of mounting seat, installing/dismounting It is convenient, secure and reliable connection.
In the above-mentioned simple filtration device with reverse osmosis membrane net-filter assembly, the compression pump is set by link There are two buckling grooves on the top of cartridge filter one, the link, and the opening direction of two buckling grooves is opposite.Two groups of companies Length direction interval setting of the frame along mounting seat is connect, cartridge filter one, one of arc of link is placed in mounting seat first Buckling groove be fastened on down on cartridge filter one, the buckling groove of another arc upward, then placement force pump, so installation side Just it is reliable, compact in design.
In the above-mentioned simple filtration device with reverse osmosis membrane net-filter assembly, the compression pump and cartridge filter one are in Cylindrical shape, the buckling groove is curved, and the opening angle of buckling groove is 150 °~170 °.It is easily installed, it is to avoid come off.
In the above-mentioned simple filtration device with reverse osmosis membrane net-filter assembly, the cartridge filter one is connected by fixed mount It is connected in mounting seat, the fixed mount horizontally set, one end of fixed mount has the arc-shaped slot set towards cartridge filter, it is fixed The other end of frame has fixed plate, has vertically arranged chute in the mounting seat, and the fixed mount is plugged in chute, and The bayonet socket of downwardly facing opening between fixed plate and arc-shaped slot.Fixed mount is detachably connected with mounting seat, easier for installation, chute Length more than or equal to fixed plate length, that is, be easily installed, fixed plate can be avoided to deviate under the cooperation of bayonet socket again.
Compared with prior art, the simple filtration device integral arrangement in the present invention is compact, enters preliminary filtering Water is further filtered in being diverted to multiple cartridge filters two again, efficiently realizes water purification function.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of this simple filtration device.
Fig. 2 is the configuration schematic diagram of this simple filtration device.
Fig. 3 is the attachment structure schematic diagram of fixed mount and mounting seat in this simple filtration device
In figure, 1, compression pump;2nd, mounting seat;21st, through hole;22nd, arcuate socket;23rd, through hole;3rd, cartridge filter one;4th, filter Cylinder two;41st, connector;42nd, clamping joint;43rd, draw-in groove;5th, flexible pipe one;6th, flexible pipe two;61st, connecting tube;62nd, attachment cap;7th, draining Pipe;8th, water inlet pipe;9th, link;10th, buckling groove;11st, fixed mount;12nd, arc-shaped slot;13rd, fixed plate;14th, chute;15th, block Mouthful.
Specific embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described, But the present invention is not limited to these embodiments.
As depicted in figs. 1 and 2, this simple filtration device includes mounting seat 2 and compression pump 1, and simple filtration device also includes One cartridge filter 1 with reverse osmosis membrane filter screen has the cartridge filter 24 of reverse osmosis membrane filter screen with several;Cartridge filter 1 Laterally it is installed in mounting seat 2, compression pump 1 is laterally installed on cartridge filter 1, and all cartridge filters 24 are vertically disposed in parallel in It is detachably connected below mounting seat 2 and with the bottom of mounting seat 2, delivery port and the water inlet of cartridge filter 1 of compression pump 1 pass through Flexible pipe 1 is connected, and the delivery port of cartridge filter 1 is connected with the water inlet of all cartridge filters 24 simultaneously by flexible pipe 26;Filtering The delivery port of cylinder 24 is connected with a drainpipe 7, and compression pump 1, cartridge filter 1 and cartridge filter 24 are cylindrical shape, pressure The water inlet of pump 1 is connected with water inlet pipe 8, and the two ends of flexible pipe 1 are connected to one end end of compression pump 1 and cartridge filter 1 Center;Reverse osmosis membrane aperture of filter screen in cartridge filter 1 more than the reverse osmosis membrane aperture of filter screen in cartridge filter 24, pass through by raw water Compression pump 1 enters cartridge filter 1 by preliminary filtering after pressurizeing, being forced into the materials such as the pressure of 6~20kg, macromolecular can not lead to Reverse osmosis membrane filter screen is crossed, filter water penetrates reverse osmosis membrane filter screen under the effect of the pressure;Enter again by the water after preliminary filtering Enter and carry out fine filtering in cartridge filter 24, chemical ion and bacterium, fungi, virion etc. can not be by the reverse osmosis in filter cylinder 24 Permeable membrane filter screen, these materials are isolated in the side of reverse osmosis membrane filter screen, and pure water passes through the counter-infiltration membrane filtration in cartridge filter 24 Net goes out to use side by side, reaches the purpose for purifying water;Integral arrangement is compact in the technical program, enters the water of preliminary filtering It is diverted to again in multiple cartridge filters 24 and is further filtered, efficiently realizes water purification function.
Further, as shown in Fig. 2 compression pump 1 is arranged on the top of cartridge filter 1 by link 9, on link 9 With two buckling grooves 10, and two opening directions of buckling groove 10 are conversely, compression pump 1 and cartridge filter 1 are cylindrical, card Access slot 10 is curved, and the opening angle of buckling groove 10 is 150 °~170 °.
Further, as shown in Fig. 2 being offered in mounting seat 2 and the one-to-one through hole 21 of cartridge filter 24, cartridge filter 24 water inlet is located at its end and the water inlet of cartridge filter 24 and is connected with the connector 41 that can pass through through hole 21, connection First 41 are connected with flexible pipe 26, and one end of flexible pipe 26 is connected to the end center of the other end of cartridge filter 1, flexible pipe 26 it is another End has connecting tube 61, and uniform intervals are distributed with several attachment caps 62 in connecting tube 61, the energy of connector 41 on cartridge filter 24 Enough it is screwed onto on attachment cap 62;The arcuate socket 22 being looped around around through hole 21 is further opened with mounting seat 2, arcuate socket 22 is in strip Shape and there is through hole 23 circumferentially around one end of, arcuate socket 22 along through hole 21, through hole 23 with diameter greater than arcuate socket 22 Width, the upper end end of cartridge filter 24 has clamping joint 42, has annular slot 43 on clamping joint 42 and clamping joint 42 can Through through hole 23 and it is connected to the other end of arcuate socket 22.Clamping joint 42 on cartridge filter 24 passes through through hole 23, Ran Houxuan Turn certain angle so that draw-in groove 43 coordinates with arcuate socket 22, and clamping joint 42 is connected to the other end of arcuate socket 22, so that Cartridge filter 24 is suspended on the bottom part down of mounting seat 2, easy installation and removal, secure and reliable connection.
Further, as shown in figure 3, cartridge filter 1 is connected in mounting seat 2 by fixed mount 11, fixed mount 11 is laterally Set, one end of fixed mount 11 has the arc-shaped slot 12 set towards cartridge filter 1, the other end of fixed mount 11 has to be fixed Plate 13, has vertically arranged chute 14 in mounting seat 2, the fixed mount 11 is plugged in chute 14, and fixed plate 8 and arc The bayonet socket 15 of downwardly facing opening between draw-in groove 7.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Technology neck belonging to of the invention The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from spirit of the invention or surmount scope defined in appended claims.
Although more having used 1, compression pump herein;2nd, mounting seat;21st, through hole;22nd, arcuate socket;23rd, through hole;3、 Cartridge filter one;4th, cartridge filter two;41st, connector;42nd, clamping joint;43rd, draw-in groove;5th, flexible pipe one;6th, flexible pipe two;61st, connecting tube; 62nd, attachment cap;7th, drainpipe;8th, water inlet pipe;9th, link;10th, buckling groove;11st, fixed mount;12nd, arc-shaped slot;13rd, it is fixed Plate;14th, chute;15th, the term such as bayonet socket, but it is not precluded from using the possibility of other terms.The use of these terms is only to be More easily describe and explain essence of the invention;Being construed as any additional limitation is all and present invention essence What god disagreed.

Claims (8)

1. a kind of simple filtration device with reverse osmosis membrane net-filter assembly, including mounting seat (2) and compression pump (1), its feature Be, the simple filtration device also include one have reverse osmosis membrane filter screen cartridge filter one (3) and several there is reverse osmosis The cartridge filter two (4) of permeable membrane filter screen;The cartridge filter one (3) is laterally installed in the mounting seat (2), the compression pump (1) Laterally be installed on the cartridge filter one (3), all cartridge filters two (4) be vertically disposed in parallel in the mounting seat (2) lower section and Bottom with the mounting seat (2) is detachably connected, the delivery port of the compression pump (1) and the water inlet of the cartridge filter one (3) Mouthful connected by flexible pipe one (5), the delivery port of the cartridge filter one (3) by flexible pipe two (6) and meanwhile with all cartridge filters two (4) Water inlet connection;The delivery port of the cartridge filter two (4) is connected with a drainpipe (7).
2. the simple filtration device with reverse osmosis membrane net-filter assembly according to claim 1, it is characterised in that the pressure Power pump (1), cartridge filter one (3) and cartridge filter two (4) are cylindrical shape, and the water inlet of the compression pump (1) is connected with water inlet pipe (8), the two ends of the flexible pipe one (5) are connected to one end end center of compression pump (1) and cartridge filter one (3).
3. the simple filtration device with reverse osmosis membrane net-filter assembly according to claim 2, it is characterised in that the peace Offered on dress seat (2) and the one-to-one through hole (21) of the cartridge filter two (4), the water inlet position of the cartridge filter two (4) Being connected with the water inlet of its end and the cartridge filter two (4) can pass through the connector (41) of the through hole (21), institute Connector (41) is stated to be connected with the flexible pipe two (6).
4. the simple filtration device with reverse osmosis membrane net-filter assembly according to claim 3, it is characterised in that described soft One end of pipe two (6) is connected to the end center of the other end of cartridge filter one (3), and the other end of the flexible pipe two (6) has connection Pipe (61), uniform intervals are distributed with several attachment caps (62), the connection on the cartridge filter two (4) on the connecting tube (61) Head (41) can be screwed onto on the attachment cap (62).
5. the simple filtration device with reverse osmosis membrane net-filter assembly according to claim 3 or 4, it is characterised in that institute The arcuate socket (22) for being further opened with being looped around around the through hole (21) in mounting seat (2) is stated, the arcuate socket (22) is in strip Shape and along through hole (21) circumferentially around one end of the arcuate socket (22) has through hole (23), the through hole (23) With diameter greater than the width of the arcuate socket (22), the upper end end of the cartridge filter has clamping joint (42), the clamping joint (42) there is annular slot (43) on and the clamping joint (42) can passes through the through hole (23) and be connected to the arc The other end in hole (22).
6. the simple filtration device with reverse osmosis membrane net-filter assembly according to claim 1 or 2 or 3 or 4 or 5, it is special Levy and be, the compression pump (1) is arranged on the top of cartridge filter one (3) by link (9), has on the link (9) Two buckling grooves (10), and the opening direction of two buckling grooves (10) is opposite.
7. the simple filtration device with reverse osmosis membrane net-filter assembly according to claim 6, it is characterised in that the pressure Power pump (1) and cartridge filter one (3) are cylindrical, and the buckling groove (10) is curved, and buckling groove (10) opening angle It is 150 °~170 °.
8. the mounting structure of reverse osmosis membrane net-filter assembly according to claim 7, it is characterised in that the cartridge filter one (3) it is connected in mounting seat (2) by fixed mount (11), fixed mount (11) horizontally set, one end tool of fixed mount (11) There is the arc-shaped slot (12) set towards cartridge filter one (3), the other end of fixed mount (11) has fixed plate (13), the installation There is vertically arranged chute (14), the fixed mount (11) is plugged in chute (14), and fixed plate (8) and arc on seat (2) The bayonet socket (15) of downwardly facing opening between shape draw-in groove (7).
CN201710235257.9A 2017-04-12 2017-04-12 A kind of simple filtration device with reverse osmosis membrane net-filter assembly Pending CN106914134A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710235257.9A CN106914134A (en) 2017-04-12 2017-04-12 A kind of simple filtration device with reverse osmosis membrane net-filter assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710235257.9A CN106914134A (en) 2017-04-12 2017-04-12 A kind of simple filtration device with reverse osmosis membrane net-filter assembly

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Publication Number Publication Date
CN106914134A true CN106914134A (en) 2017-07-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110156197A (en) * 2019-07-03 2019-08-23 东莞市宇科机械科技有限公司 A kind of sewage-treatment plant and its application method of sewer outlet

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2664543Y (en) * 2003-11-05 2004-12-22 林庆雄 Filtering apparatus of reverse osmosis drinking machine
CN201814401U (en) * 2010-10-20 2011-05-04 许光超 Head structure of soymilk machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2664543Y (en) * 2003-11-05 2004-12-22 林庆雄 Filtering apparatus of reverse osmosis drinking machine
CN201814401U (en) * 2010-10-20 2011-05-04 许光超 Head structure of soymilk machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110156197A (en) * 2019-07-03 2019-08-23 东莞市宇科机械科技有限公司 A kind of sewage-treatment plant and its application method of sewer outlet

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