CN206359375U - A kind of central water treatment machine and water treatment system - Google Patents

A kind of central water treatment machine and water treatment system Download PDF

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Publication number
CN206359375U
CN206359375U CN201720021706.5U CN201720021706U CN206359375U CN 206359375 U CN206359375 U CN 206359375U CN 201720021706 U CN201720021706 U CN 201720021706U CN 206359375 U CN206359375 U CN 206359375U
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CN
China
Prior art keywords
water
tanks
central
treatment machine
module
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Expired - Fee Related
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CN201720021706.5U
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Chinese (zh)
Inventor
顾雅江
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Beijing Jingkong Environmental Protection Technology Co ltd
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Technology Co Ltd Beijing Stephen
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Abstract

The utility model provides a kind of central water treatment machine and water treatment system, and the central water treatment machine includes:Filter core, ultrafiltration module, nanofiltration reverse osmosis module and sterile clear water tanks;The water side of filter core is connected with the water inlet end of ultrafiltration module, and the first water side of ultrafiltration module is connected with the water inlet end of nanofiltration reverse osmosis module, and the second water side of ultrafiltration module is connected with waste water tank;First water side of nanofiltration reverse osmosis module is connected with the first water inlet end of sterile clear water tanks, and the second water side of nanofiltration reverse osmosis module is connected with waste water tank;First water side of sterile clear water tanks is connected with user terminal, and the second water side of sterile clear water tanks is connected with the second water inlet end of sterile clear water tanks.The central water treatment machine that the utility model is provided can realize the effect of water circulation and sterilization, and water is circulated in sterile clear water tanks between water terminal, effective control pipeline bacteria breed;There is simple in construction, good for health and environmental protection.

Description

A kind of central water treatment machine and water treatment system
Technical field
The utility model is related to water-treatment technology field, more particularly, to a kind of central water treatment machine and water treatment system.
Background technology
Current terminal user (using running water as the family expenses at water source, food and drink, factory, building are directly drunk etc.) will meet conventional water quality The water treatment facilities that (except the special water quality of special industry requirement, such as high purity water of semicon industry) is required, are by coarse filtration Equipment (fore filter), central purifier (activated carbon equipment), central water softening device (ion-exchange unit), central ultra-filtering machine (ultrafiltration apparatus) and terminal Drinking fountain are constituted, wherein, terminal Drinking fountain is divided into ordinary terminal water purifier by filtering accuracy and (is usually Activated carbon adds ultrafiltration or nanofiltration) and two kinds of terminal water purification machine (reverse osmosis technology).
Processing of all of above equipment to water, simply meets conventional equipment (boiler, floor heating, washing machine etc.) and straight drink pair The requirement of water quality.The application of reverse osmosis technology, is divided into two kinds of Industrial reverse osmosis and terminal counter-infiltration (domestic water purifying machine).
The pretreatment of Industrial reverse osmosis equipment, by raw water box, raw water pump, husky filter, activated carbon water purifier and soft water unit Into main frame is made up of high-pressure pump, RO reverse osmosis membranes group, electric-control system, and water system is made up of clear water tanks and supply-water pump.
Household reverse osmosis equipment is made up of coarse filtration, activated carbon, RO films, casing and electric-control system.
In above-mentioned all devices, by various combination, basic demand of most of user to water process can be met, but There is following defect.
It is excessive to there is volume in Industrial reverse osmosis equipment, high energy consumption, and wastewater flow rate is big (total water consumption 40%), seriously polluted (its Have water softening device in structure, have strong brine discharge) the problems such as, it is impossible to meet the demand of all common users.
Conventional equipment (preposition, Central water purification, central soft water, central ultra-filtering), only in the case where all installing, ability Water process to sterile, softening, it such as need to directly drink, it is necessary to quality classification water supply, different water (soft water are conveyed by different pipelines Contain a large amount of sodium ions in machine production water, it is adaptable to equipment, should not directly drink, it is necessary to and ultrafiltration production water is separated), and seriously polluted (its Have water softening device in structure, have strong brine discharge), if to improve direct drinking quality, it must just install terminal additional and directly drink equipment.
Conventional equipment waste water is unable to centralized recovery utilization, except conventional pollution beyond the region of objective existence in waste water, also containing largely manually adding Plus salt (sodium chloride, water softening device consumptive material), greening can not be used, and being discharged into underground can severe contamination underground water.
Conventional equipment can not accomplish constant pressure, periodical feeding, it is impossible to effective control pipeline bacteria breed and secondary pollution.
Conventional equipment can not be provided while meeting the water quality of high-quality drinking water and equipment water requirement.
The soft water that conventional equipment is provided, is used for equipment water and domestic water, wherein domestic water is (as taken a shower at present Deng) be used for a long time and total intake of the human body to sodium can be increased by the sodium in skin absorption water, influence health.
In conventional equipment, the numerous kinds caused by functions of the equipments difference, complex operation, fault rate is high, and maintenance period is different Workload is big and later maintenance is costly.
The defect of current conventional equipment is that each equipment can only solve water-treated because the core technology used is outmoded Single-issue in journey.
Utility model content
The purpose of this utility model is to provide central water treatment machine, and centralized recovery is unable to solve waste water in the prior art Utilize, except conventional pollution beyond the region of objective existence in waste water, also containing the salt largely manually added, greening can not be used, and be discharged into underground meeting Severe contamination underground water;Constant pressure, periodical feeding can not be accomplished, it is impossible to effective control pipeline bacteria breed and the technology of secondary pollution Problem.
In order to solve the above technical problems, the central water treatment machine that the utility model is provided, including:Filter core, ultrafiltration module, receive Filter reverse osmosis module and sterile clear water tanks;
The water side of the filter core is connected with the water inlet end of the ultrafiltration module, the first water side of the ultrafiltration module with The water inlet end connection of the nanofiltration reverse osmosis module, the second water side of the ultrafiltration module is connected with waste water tank;
First water side of the nanofiltration reverse osmosis module is connected with the first water inlet end of the sterile clear water tanks, described to receive Second water side of filter reverse osmosis module is connected with the waste water tank;Water flow to waste water tank and can carry out utilizing.
First water side of the sterile clear water tanks is connected with user terminal, the second water side of the sterile clear water tanks and institute State the second water inlet end connection of sterile clear water tanks.
Second water side of sterile clear water tanks described in the central water treatment machine that the utility model is provided with it is described sterile net The second water inlet end connection of water tank can realize the effect of water circulation and sterilization, and water is followed in sterile clear water tanks and between water terminal Circulation is moved, effective control pipeline bacteria breed;There is simple in construction, good for health and environmental protection.
Further, the water side of nanofiltration reverse osmosis module the 3rd of the sterile clear water tanks and the first of the ultrafiltration module Water side is connected.The water side of nanofiltration reverse osmosis module the 3rd of sterile clear water tanks described in nanofiltration reverse osmosis module and the ultrafiltration group Ultrafiltration backwash valve is provided between first water side of part.
Further, set between the water inlet end of the first water side of the ultrafiltration module and the nanofiltration reverse osmosis module There is booster pump.Also it is disposed with pressure sensor before high-pressure solenoid valve and film.
In order to constant pressure water supply, further, the exit of the sterile clear water tanks is provided with constant pressure water supply pump.Constant pressure The water inlet of supply-water pump connects sterile clear water tanks, connects feed pipe, and all water purification just flow to terminal water outlet after all first passing through sterilization Point.
Further, it is provided with ultraviolet ray disinfector in the sterile clear water tanks.Liquid level is provided with the sterile clear water tanks Sensor.All EXIT POINTs, all provided with water return pipeline, water return pipeline returns to sterile clear water tanks, is followed by circulating electromagnetic valve control Ring, by electric control system controls circulating electromagnetic valve opening time and number of times, reaches circulation and sterilizes.
Further, connected on the waste water tank with automatic immersible pump.All waste water, are uniformly collected into waste water tank, by certainly Dynamic immersible pump is quantitatively discharged,, will not be to environment because processing procedure is not added with any material (such as soft water salt) for afforestation Pollute, water resource is made full use of, environmental protection.Set between the water side of waste water tank and nanofiltration reverse osmosis module Put and be disposed with pressure sensor after film, waste water stream gauge and nanofiltration flushing valve.It is provided between ultrafiltration module and waste water tank The positive flushing valve of ultrafiltration.
Further, the filter core is cotton carbon cotton composite filter element, and 5 microns of impurity can be continued through after filter element filtering, so Enter the ultrafiltration module that filtering mesh number is 0.02 micron afterwards.Nanofiltration reverse osmosis module is finally entered, from the nanofiltration of salt rejection rate 90% Film, the molecular weight that dams is in 150-500 dalton.
Further, the first water inlet end of the first water side of the nanofiltration reverse osmosis module and the sterile clear water tanks it Between be provided with net water flux meter.For control system provide operation and stop signal, transmit signals to using SIEMENS PLC as Central electronic control.Central electronic control is connected with touch-screen, and touch-screen shows one-key start after workflow and state, setup parameter, behaviour Make simple.
The utility model additionally provides a kind of water treatment system, including central water treatment machine as described above, wherein, also wrap Water source is included, the water source is connected with the water inlet end of the filter core.
When production water running is needed in the central water treatment machine that the utility model is provided, by entering water electromagnetic valve, system boost pump Connected with high-pressure solenoid valve;Water passes sequentially through entering water electromagnetic valve, system boost pump, high-pressure solenoid valve when needing to carry out nanofiltration flushing It is left to nanofiltration flushing valve in waste water tank;Ultrafiltration is needed just to rinse constant pressure water supply pump, ultrafiltration backwash valve and ultrafiltration when recoiling Valve is connected;Entering water electromagnetic valve during ultrafiltration square impact is needed to be connected with the positive flushing valve of ultrafiltration;Need during water circulation constant pressure water supply pump and follow Ring valve is connected.
Using above-mentioned technical proposal, the utility model has the advantages that:
The water side of filter core described in the central water treatment machine that the utility model is provided and the water inlet end of the ultrafiltration module Connection, the first water side of the ultrafiltration module is connected with the water inlet end of the nanofiltration reverse osmosis module, the ultrafiltration module Second water side is connected with waste water tank;First water side of the nanofiltration reverse osmosis module is entered with the first of the sterile clear water tanks Water end (W.E.) is connected, and the second water side of the nanofiltration reverse osmosis module is connected with the waste water tank;The first of the sterile clear water tanks Water side is connected with user terminal, and the second water side of the sterile clear water tanks and the second water inlet end of the sterile clear water tanks connect It is logical.Second water side of sterile clear water tanks described in the central water treatment machine that the utility model is provided and the sterile clear water tanks The connection of second water inlet end can realize the effect of water circulation and sterilization, and water is in sterile clear water tanks and with recycle stream between water terminal It is dynamic, effective control pipeline bacteria breed;There is simple in construction, good for health and environmental protection.
Brief description of the drawings
Below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the connection diagram for the central water treatment machine that the utility model embodiment one is provided;
Fig. 2 is the schematic diagram of the setting of valve in the central water treatment machine that the utility model embodiment one is provided;
Fig. 3 is valve and the schematic diagram of sensor setting in the central water treatment machine that the utility model embodiment one is provided;
The structural representation for the central water treatment machine that Fig. 4 provides for the embodiment of the utility model one.
Reference:
1- entering water electromagnetic valves;2- high-pressure solenoid valves;3- ultrafiltration backwash valves;
The positive flushing valve of 4- ultrafiltration;5- nanofiltration flushing valves;6- circulating electromagnetic valves;
A1- low tension switches;Pressure sensor before A2- films;A3- conductivity sensors;
A4- net water flux meters;A5- liquid level sensors;A6- surcharge water levels are switched;
Pressure sensor after A7- films;A8- waste water stream gauge;B1- booster pumps;
B2- constant pressure water supply pump 11- filter cores;12- ultrafiltration modules;
13- nanofiltration reverse osmosis modules;The sterile clear water tanks of 14-;15- waste water tanks.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
The connection diagram for the central water treatment machine that Fig. 1 provides for the embodiment of the utility model embodiment one, Fig. 2 is this reality With the schematic diagram utility model of the setting of valve in the central water treatment machine of the embodiment of new embodiment one offer, Fig. 3 is this reality The schematic diagram utility model that valve and sensor are set in the central water treatment machine provided with the embodiment of new embodiment one, Fig. 4 The structural representation utility model of the central water treatment machine provided for the embodiment of the utility model one.As shown in Figures 1 to 4, originally The central water treatment machine that utility model is provided, including:Filter core 11, ultrafiltration module 12, nanofiltration reverse osmosis module 13 and sterile water purification Case 14;
The water side of the filter core 11 is connected with the water inlet end of the ultrafiltration module 12, and the first of the ultrafiltration module 12 goes out Water end (W.E.) is connected with the water inlet end of the nanofiltration reverse osmosis module 13, and the second water side and the waste water tank 15 of the ultrafiltration module 12 connect It is logical;Water flow to waste water tank 15 and can carry out utilizing.
First water side of the nanofiltration reverse osmosis module 13 is connected with the first water inlet end of the sterile clear water tanks 14, institute The second water side for stating nanofiltration reverse osmosis module 13 is connected with the waste water tank 15;
First water side of the sterile clear water tanks 14 is connected with user terminal, the second water side of the sterile clear water tanks 14 Connected with the second water inlet end of the sterile clear water tanks 14.
The utility model provide central water treatment machine described in sterile clear water tanks 14 the second water side with it is described sterile The second water inlet end connection of clear water tanks 14 can realize the effect of water circulation and sterilization, and water is in sterile clear water tanks 14 and uses water terminal Between circulate, effective control pipeline bacteria breed;There is simple in construction, good for health and environmental protection.
Further, the 3rd water side of the sterile clear water tanks 14 and the first water side nanofiltration of the ultrafiltration module 12 Reverse osmosis module is connected.3rd water side of sterile clear water tanks 14 described in nanofiltration reverse osmosis module and the nanofiltration reverse osmosis module Ultrafiltration backwash valve 3 is provided between 13 water inlet end.
Further, between the water inlet end of the first water side of the ultrafiltration module 12 and the nanofiltration reverse osmosis module 13 It is provided with booster pump B1.Also it is disposed with pressure sensor A2 before high-pressure solenoid valve 2 and film.
In order to constant pressure water supply, further, the exit of the sterile clear water tanks 14 is provided with constant pressure water supply pump B2. Constant pressure water supply pump B2 water inlet connects sterile clear water tanks 14, and water terminal is used in the connection of constant pressure water supply pump B2 delivery ports, and sterilizer is adopted With with supply-water pump united opening, connect feed pipe, all water purification all first pass through sterilization after just flow to terminal EXIT POINT.
Further, it is provided with ultraviolet ray disinfector in the sterile clear water tanks 14.It is provided with the sterile clear water tanks 14 Liquid level sensor A5.All EXIT POINTs, all provided with water return pipeline, water return pipeline returns to sterile clear water tanks 14, by circulation electromagnetism The control circulation of valve 6, by the opening time of electric control system controls circulating electromagnetic valve 6 and number of times, reaches circulation and sterilizes.It is described sterile net A6 is switched provided with surcharge water level in water tank 14, is to turn in water level superelevation.The water side of nanofiltration reverse osmosis module 13 with it is sterile net Conductivity sensor A3 and net water flux meter A4 are disposed between water tank 14.
Further, connected on the waste water tank 15 with automatic immersible pump.All waste water, are uniformly collected into waste water tank 15, Quantitatively discharged by automatic immersible pump,, will not be right because processing procedure is not added with any material (such as soft water salt) for afforestation Environment is polluted, and water resource is made full use of, environmental protection.In the water outlet of waste water tank 15 and nanofiltration reverse osmosis module 13 Set between end and be disposed with pressure sensor A7 after film, waste water stream gauge A8 and nanofiltration flushing valve 5.Ultrafiltration module 12 is with giving up The positive flushing valve 4 of ultrafiltration is provided between water tank 15.
Further, the filter core 11 is cotton carbon cotton composite filter element 11, and 5 microns of impurity can continue to lead to after the filtering of filter core 11 Cross, subsequently into the ultrafiltration module 12 that filtering mesh number is 0.02 micron.Nanofiltration reverse osmosis module 13 is finally entered, from salt rejection rate 90% NF membrane, the molecular weight that dams is in 150-500 dalton.
Further, the first water side of the nanofiltration reverse osmosis module 13 and the first water inlet of the sterile clear water tanks 14 Net water flux meter A4 is provided between end.Operation and stop signal are provided for control system, transmits signals to and uses Siemens PLC is as central electronic control.Central electronic control is connected with touch-screen, and touch-screen shows workflow and state, the latter key of setup parameter Start, it is simple to operate.
Water source first passes through low tension switch A1, and low tension switch A1 is disconnected when anhydrous, plays power-off protection effect, water enters filter Core 11, removes bulky grain pollutant and part chlorine residue, peculiar smell, heavy metal.Subsequently into ultrafiltration module 12, by electric control system controls Just, anti-cleaning controls wastewater flow to ultrafiltration module 12 by hand-operated valve, and ultrafiltration module 12 effectively goes suspension in water removal, bacterium, disease Poison.Into booster pump B1, nanofiltration reverse osmosis module 13 is entered after supercharging, by the square impact of electric control system controls nanofiltration reverse osmosis module 13 Wash, hand-operated valve control wastewater flow effectively removes colourity, heavy metal, nitrate, nitrite, and be dissolved in water other Material, effectively reduces hardness, reaches that high-quality directly drinks standard.For example, raw water TDS400, water outlet quality just in TDS40 or so, by Line conductivity gauge monitors water outlet quality in real time.Finally enter sterile clear water tanks 14.
The utility model additionally provides a kind of water treatment system, including central water treatment machine as described above, wherein, also wrap Water source is included, the water source is connected with the water inlet end of the filter core 11.
When production water running is needed in the central water treatment machine that the utility model is provided, by entering water electromagnetic valve 1, system boost pump B1 is connected with high-pressure solenoid valve 2;Water passes sequentially through entering water electromagnetic valve 1, system boost pump B1, high pressure when needing to carry out nanofiltration flushing Magnetic valve 2 and nanofiltration flushing valve 5 are left in waste water tank 15;
Ultrafiltration is needed to connect constant pressure water supply pump B2, ultrafiltration backwash valve 3 with the positive flushing valve of ultrafiltration 4 when recoiling;Need to surpass Entering water electromagnetic valve 1 is connected with the positive flushing valve of ultrafiltration 4 during filter square impact;Constant pressure water supply pump B2 during water circulation is needed to be connected with circulating valve.
In summary:The water side of filter core 11 described in the central water treatment machine that the utility model is provided and the ultrafiltration group The water inlet end connection of part 12, the first water side of the ultrafiltration module 12 and the water inlet end of the nanofiltration reverse osmosis module 13 connect Logical, the second water side of the ultrafiltration module 12 is connected with waste water tank 15;First water side of the nanofiltration reverse osmosis module 13 Connected with the first water inlet end of the sterile clear water tanks 14, the second water side and the waste water of the nanofiltration reverse osmosis module 13 Case 15 is connected;First water side of the sterile clear water tanks 14 is connected with user terminal, the second water outlet of the sterile clear water tanks 14 End is connected with the second water inlet end of the sterile clear water tanks 14.It is sterile net described in the central water treatment machine that the utility model is provided Second water side of water tank 14 is connected with the second water inlet end of the sterile clear water tanks 14 can realize the effect of water circulation and sterilization Really, water is circulated in sterile clear water tanks 14 and between water terminal, effective control pipeline bacteria breed;With it is simple in construction, The advantages of good for health and environmental protection.
Finally it should be noted that:Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it System;Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand:It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole Technical characteristic carries out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (10)

1. a kind of central water treatment machine, it is characterised in that including:Filter core, ultrafiltration module, nanofiltration reverse osmosis module and sterile water purification Case;
The water side of the filter core is connected with the water inlet end of the ultrafiltration module, the first water side of the ultrafiltration module with it is described The water inlet end connection of nanofiltration reverse osmosis module, the second water side of the ultrafiltration module is connected with waste water tank;
First water side of the nanofiltration reverse osmosis module is connected with the first water inlet end of the sterile clear water tanks, and the nanofiltration is anti- Second water side of filtration module is connected with the waste water tank;
First water side of the sterile clear water tanks is connected with user terminal, the second water side and the nothing of the sterile clear water tanks The second water inlet end connection of bacterium clear water tanks.
2. central water treatment machine according to claim 1, it is characterised in that:The nanofiltration counter-infiltration group of the sterile clear water tanks The water side of part the 3rd is connected with the first water side of the ultrafiltration module.
3. central water treatment machine according to claim 1, it is characterised in that:The exit of the sterile clear water tanks is provided with Constant pressure water supply pump.
4. central water treatment machine according to claim 1, it is characterised in that:Ultraviolet is provided with the sterile clear water tanks Sterilizer.
5. central water treatment machine according to claim 1, it is characterised in that:First water side of the ultrafiltration module and institute Booster pump is provided between the water inlet end for stating nanofiltration reverse osmosis module.
6. central water treatment machine according to claim 1, it is characterised in that:Level sensing is provided with the sterile clear water tanks Device.
7. central water treatment machine according to claim 6, it is characterised in that:Connect on the waste water tank with automatic immersible pump It is logical.
8. central water treatment machine according to claim 1, it is characterised in that:The filter core is cotton carbon cotton composite filter element.
9. central water treatment machine according to claim 1, it is characterised in that:First water outlet of the nanofiltration reverse osmosis module Net water flux meter is provided between end and the first water inlet end of the sterile clear water tanks.
10. a kind of water treatment system, including the central water treatment machine as described in claim 1-9 any one, it is characterised in that Also include water source, the water source is connected with the water inlet end of the filter core.
CN201720021706.5U 2017-01-09 2017-01-09 A kind of central water treatment machine and water treatment system Expired - Fee Related CN206359375U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720021706.5U CN206359375U (en) 2017-01-09 2017-01-09 A kind of central water treatment machine and water treatment system

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Application Number Priority Date Filing Date Title
CN201720021706.5U CN206359375U (en) 2017-01-09 2017-01-09 A kind of central water treatment machine and water treatment system

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CN206359375U true CN206359375U (en) 2017-07-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106517620A (en) * 2017-01-09 2017-03-22 北京泉疆科技有限公司 Central water processing unit and water processing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106517620A (en) * 2017-01-09 2017-03-22 北京泉疆科技有限公司 Central water processing unit and water processing system

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Effective date of registration: 20200814

Address after: Room 203-1, 2 / F, building 5, No.56 Xiaoguan, dongzhimenwai street, Chaoyang District, Beijing 100029

Patentee after: Beijing Jingkong Environmental Protection Technology Co.,Ltd.

Address before: 100020 Beijing City, Chaoyang District Road No. 19 Building Ritan -1 layer in -103 M797 room

Patentee before: BEIJING QUANJIANG TECHNOLOGY Co.,Ltd.

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Granted publication date: 20170728

CF01 Termination of patent right due to non-payment of annual fee