CN111519695A - But waste water recycling system of automatic switch-over water source - Google Patents

But waste water recycling system of automatic switch-over water source Download PDF

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Publication number
CN111519695A
CN111519695A CN202010515833.7A CN202010515833A CN111519695A CN 111519695 A CN111519695 A CN 111519695A CN 202010515833 A CN202010515833 A CN 202010515833A CN 111519695 A CN111519695 A CN 111519695A
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CN
China
Prior art keywords
water
pipe
storage tank
recycling
water storage
Prior art date
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Withdrawn
Application number
CN202010515833.7A
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Chinese (zh)
Inventor
孙文
李俊杰
田恬
匡静
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.)
Gansu Academy Of Building Science Co ltd
Original Assignee
Gansu Academy Of Building Science 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 Gansu Academy Of Building Science Co ltd filed Critical Gansu Academy Of Building Science Co ltd
Priority to CN202010515833.7A priority Critical patent/CN111519695A/en
Publication of CN111519695A publication Critical patent/CN111519695A/en
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E03B1/042—Details thereof, e.g. valves or pumps
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/003—Cisterns in combination with wash-basins, urinals, or the like
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E03B2001/045—Greywater supply systems using household water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/30—Relating to industrial water supply, e.g. used for cooling

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Domestic Plumbing Installations (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Abstract

The invention relates to the technical field of urban water conservation, in particular to a waste water recycling system capable of automatically switching water sources; the water recycling device comprises a recycling pipeline and a tap water pipeline, wherein the recycling pipeline comprises a water storage tank, a second water inlet is formed in the top of the water storage tank, and a recycling pipe is connected to the second water inlet; a water outlet is formed in the bottom of the water storage tank, and a water delivery pipe is connected to the water outlet; the tap water pipeline comprises a first water inlet formed in the top of the water storage tank, a water receiving pipe is mounted on the first water inlet, a magnetic suction valve is mounted on the water receiving pipe on the upper portion of the water storage tank, a floating block is sleeved on the water receiving pipe inside the water storage tank, and a linkage rod is connected between the floating block and the magnetic suction valve; on the premise of ensuring the preferential use of the wastewater, the invention can automatically switch the water source between tap water and the wastewater, thereby ensuring the recycling of the wastewater to the maximum extent.

Description

But waste water recycling system of automatic switch-over water source
Technical Field
The invention relates to the technical field of urban water conservation, in particular to a waste water recycling system capable of automatically switching water sources.
Background
In the building, the water consumption of the hand washing sink is large, the waste water for washing hands and faces is relatively clean, the waste water is directly discharged into the sewer pipe, the waste of water resources is great, and the water is a good choice for flushing the urinal or the closestool. The existing wastewater recovery device comprises an electromagnetic valve, a photoelectric sensor, a high-temperature purifier and the like which all consume energy, and consumes energy in other forms while saving water.
In view of the above-mentioned deficiencies of the prior art, there is an urgent need to develop a waste water recycling system capable of automatically switching water sources, which can achieve zero energy consumption.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a waste water recycling system capable of automatically switching water sources.
In order to achieve the purpose, the invention adopts the following technical scheme:
a waste water recycling system capable of automatically switching water sources comprises a recycling pipeline and a tap water pipeline, and is characterized in that: the recycling pipeline comprises a water storage tank 1, a second water inlet 103 is formed in the top of the water storage tank 1, a recycling pipe 6 is connected to the second water inlet 103, the upper end of the recycling pipe 6 is connected with the hand washing sink on the layer, and the lower end of the recycling pipe 6 is communicated with the inside of the water storage tank 1; the bottom of the water storage tank 1 is provided with a water outlet 105, the water outlet 105 is connected with a water pipe 8, the upper end of the water pipe 8 is communicated with the inside of the water storage tank 1, and the lower end of the water pipe 8 is connected with a toilet tank 14 on the layer or a toilet tank 14 on the lower layer.
The lower extreme demountable installation of recovery tube 6 has filter pulp 7, most impurity in the recovery waste water can be filtered to filter pulp 7.
The inner bottom surface of the water storage tank 1 is a slope surface 101, the water outlet 105 is arranged at the top of the slope surface 101, and the upper end of the water outlet 105 is provided with a filter screen 9; a slag discharge hole 106 is formed in the slope bottom of the slope surface 101, a slag discharge pipe 12 is connected to the slag discharge hole 106, the upper end of the slag discharge pipe 12 is communicated with the inside of the water storage tank 1, and the lower end of the slag discharge pipe 12 is connected with a sewer pipeline; when waste water flows into the water storage tank 1 and falls on the slope 101, sediment is flushed to the slope bottom slag discharge port 106, the water discharge port 105 is arranged at the top of the slope and is covered with the filter screen 9, so that impurities can not flow into a urinal water tank effectively, the slag discharge pipe 12 is provided with the switch valve 13, and the switch valve 13 can be opened periodically to discharge the deposited impurities.
The tap water pipeline comprises a first water inlet 102 formed in the top of the water storage tank 1, a water receiving pipe 2 is mounted on the first water inlet 102, the upper end of the water receiving pipe 2 is connected with a tap water pipe, and the lower end of the water receiving pipe 2 penetrates through the water storage tank 1 and is communicated with a water delivery pipe 8; a magnetic suction valve 3 is mounted on a water receiving pipe 2 at the upper part of the water storage tank 1, a magnetic suction valve switch 301 is arranged on the magnetic suction valve 3, a floating block 4 is sleeved on the water receiving pipe 2 in the water storage tank 1, the floating block 4 can freely move on the water receiving pipe 2, a linkage rod 5 is connected between the floating block 4 and the magnetic suction valve switch 301, the linkage rod 5 is a telescopic rod, and one linkage rod 5 or two linkage rods are symmetrically arranged; a single valve 10 is arranged in front of the joint of the water delivery pipe 8 and the water receiving pipe 2.
An overflow port 104 is arranged at the upper part of the side surface of the water storage tank 1, an overflow pipe 11 is connected to the overflow port 104, the upper end of the overflow pipe 11 is communicated with the inside of the water storage tank 1, and the lower end of the overflow pipe 11 is connected with a sewer line of the layer or a recovery pipe 6 of the lower layer.
The invention has the beneficial effects that: 1. when the water level of the water storage tank 1 rises to the highest point, the floating block 4 rises, the linkage rod 5 is shortened, and when the water level is shortened to the minimum stroke, the buoyancy 4 jacks up the magnetic valve switch 301 of the magnetic valve 3 through the floating block and the linkage rod 5 to close the tap water, so that when the water storage tank 1 is filled with water, the water for a urinal or a closestool is completely supplied by the water storage tank 1, and the tap water cannot flow into the urinal or the closestool water tank; when the water level of the water storage tank 1 is lowered to the lowest point, the linkage rod 5 extends to the maximum stroke, and the magnetic suction valve switch 301 of the magnetic suction valve 3 is pulled down to be opened through the linkage rod 5 under the action of the dead weight of the floating block 4, so that the tap water supply is automatically switched when the water in the water storage tank 1 is used up.
2. Because the one-way valve 10 is arranged in front of the joint of the water delivery pipe 8 and the water receiving pipe 2, water can only flow out but not flow in, and the running water can not be refilled into the water storage tank 1.
3. In order to ensure that impurities and particles in the wastewater in the wash basin do not enter a urinal or a toilet water tank, two measures are provided, wherein the first measure is that a filter cotton 7 which can be disassembled and cleaned is arranged below a recovery pipe to filter most of the impurities in the wastewater, the second measure is that the bottom of a water storage tank is arranged in an inclined state, the wastewater flows into a water tank and falls on a slope to flush the precipitated impurities to a slope bottom slag discharge port 106, a water discharge port 105 is arranged on the top of the slope and is covered with a filter screen 9, so that the impurities are effectively prevented from flowing into the urinal or the toilet water tank, and a slag discharge pipe 12 is provided with a switch valve 13 which can be opened periodically to discharge the precipitated impurities.
4. For public buildings, the overflow 11 can be connected to the water storage tank 1 of the next floor, and the water delivery pipe 8 is connected to the water closet storage tank or the flushing pipe of the next floor, so that the wastewater in the hand washing basin can be recovered to the maximum extent, and the pressure of the water delivery pipe is improved.
The invention has simple structure, low failure rate, no energy consumption, can automatically switch between tap water and waste water through self adjustment, furthest ensures the recycling of the waste water, saves clean water source, is suitable for all toilet bowls, does not need to reform structures of urinals, squatting toilets and wash basins, can be used for ordinary families of residential buildings and public building enterprises and institutions, and has convenient operation, low manufacturing and maintenance cost, safety and reliability, and is very worthy of popularization and use.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure of the present invention with water in the storage tank;
FIG. 4 is a schematic view of the structure of the present invention with no water in the water storage tank.
Shown in the figure: the water storage tank comprises a water storage tank 1, a water receiving pipe 2, a magnetic valve 3, a floating block 4, a linkage rod 5, a recovery pipe 6, filter cotton 7, a water delivery pipe 8, a filter screen 9, a single valve 10, an overflow pipe 11, a slag discharge pipe 12, a switch valve 13, a toilet tank 14, a slope 101, a first water inlet 102, a second water inlet 103, an overflow opening 104, a sewer opening 105, a slag discharge opening 106 and a magnetic valve switch 301.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1:
a waste water recycling system capable of automatically switching water sources, as shown in fig. 1, 3 and 4, comprising a recycling pipeline and a tap water pipeline, wherein: the recycling pipeline comprises a water storage tank 1, a second water inlet 103 is formed in the top of the water storage tank 1, a recycling pipe 6 is connected to the second water inlet 103, the upper end of the recycling pipe 6 is connected with the hand washing sink on the layer, and the lower end of the recycling pipe 6 is communicated with the inside of the water storage tank 1; a water outlet 105 is formed in the bottom of the water storage tank 1, a water delivery pipe 8 is connected to the water outlet 105, the upper end of the water delivery pipe 8 is communicated with the inside of the water storage tank 1, and the lower end of the water delivery pipe 8 is connected with a toilet water tank 14 on the floor;
the tap water pipeline comprises a first water inlet 102 formed in the top of the water storage tank 1, a water receiving pipe 2 is mounted on the first water inlet 102, the upper end of the water receiving pipe 2 is connected with a tap water pipe, and the lower end of the water receiving pipe 2 penetrates through the water storage tank 1 and is communicated with a water delivery pipe 8; install magnetism on the water receiving pipe 2 on 1 upper portion of storage water tank and inhale valve 3, it inhales valve switch 301 to be equipped with on the magnetism valve 3, the cover is equipped with floating block 4 on the water receiving pipe 2 of 1 inside of storage water tank, floating block 4 can freely move on water receiving pipe 2, be connected with trace 5 between floating block 4 and the magnetism valve switch 301, trace 5 is scalable pole, trace 5 sets up one or the symmetry sets up two.
The lower end of the recovery pipe 6 is detachably provided with filter cotton 7.
The inner bottom surface of the water storage tank 1 is a slope surface 101, the water outlet 105 is arranged at the top of the slope surface 101, and the upper end of the water outlet 105 is provided with a filter screen 9; the slope bottom of the slope surface 101 is provided with a slag discharge hole 106, the slag discharge hole 106 is connected with a slag discharge pipe 12, the upper end of the slag discharge pipe 12 is communicated with the inside of the water storage tank 1, and the lower end of the slag discharge pipe 12 is connected with a sewer pipeline.
And the slag discharge pipe 12 is provided with a switch valve 13.
An overflow opening 104 is formed in the upper portion of the side face of the water storage tank 1, an overflow pipe 11 is connected to the overflow opening 104, the upper end of the overflow pipe 11 is communicated with the interior of the water storage tank 1, and the lower end of the overflow pipe 11 is connected with a sewer pipeline of the layer.
A single valve 10 is arranged in front of the joint of the water delivery pipe 8 and the water receiving pipe 2.
The working process of the embodiment is as follows: for residential buildings, the lower end of the water delivery pipe 8 is connected with a toilet water tank 14 on the floor, and the lower end of the slag discharge pipe 12 is connected with a sewer pipeline, so that the recycling of the waste water of the hand washing sink on the floor and the automatic switching of water sources are completed.
Example 2:
a waste water recycling system capable of automatically switching water sources, as shown in fig. 2, 3 and 4, comprising a recycling pipeline and a tap water pipeline, wherein: the recycling pipeline comprises a water storage tank 1, a second water inlet 103 is formed in the top of the water storage tank 1, a recycling pipe 6 is connected to the second water inlet 103, the upper end of the recycling pipe 6 is connected with the hand washing sink on the layer, and the lower end of the recycling pipe 6 is communicated with the inside of the water storage tank 1; a water outlet 105 is formed in the bottom of the water storage tank 1, a water delivery pipe 8 is connected to the water outlet 105, the upper end of the water delivery pipe 8 is communicated with the inside of the water storage tank 1, and the lower end of the water delivery pipe 8 is connected with a lower toilet water tank 14;
the tap water pipeline comprises a first water inlet 102 formed in the top of the water storage tank 1, a water receiving pipe 2 is mounted on the first water inlet 102, the upper end of the water receiving pipe 2 is connected with a tap water pipe, and the lower end of the water receiving pipe 2 penetrates through the water storage tank 1 and is communicated with a water delivery pipe 8; install magnetism on the water receiving pipe 2 on 1 upper portion of storage water tank and inhale valve 3, it inhales valve switch 301 to be equipped with on the magnetism valve 3, the cover is equipped with floating block 4 on the water receiving pipe 2 of 1 inside of storage water tank, floating block 4 can freely move on water receiving pipe 2, be connected with trace 5 between floating block 4 and the magnetism valve switch 301, trace 5 is scalable pole, trace 5 sets up one or the symmetry sets up two.
The lower end of the recovery pipe 6 is detachably provided with filter cotton 7.
The inner bottom surface of the water storage tank 1 is a slope surface 101, the water outlet 105 is arranged at the top of the slope surface 101, and the upper end of the water outlet 105 is provided with a filter screen 9; the slope bottom of the slope surface 101 is provided with a slag discharge hole 106, the slag discharge hole 106 is connected with a slag discharge pipe 12, the upper end of the slag discharge pipe 12 is communicated with the inside of the water storage tank 1, and the lower end of the slag discharge pipe 12 is connected with a sewer pipeline.
And the slag discharge pipe 12 is provided with a switch valve 13.
An overflow opening 104 is formed in the upper portion of the side face of the water storage tank 1, an overflow pipe 11 is connected to the overflow opening 104, the upper end of the overflow pipe 11 is communicated with the inside of the water storage tank 1, and the lower end of the overflow pipe 11 is connected with a lower-layer recovery pipe 6.
A single valve 10 is arranged in front of the joint of the water delivery pipe 8 and the water receiving pipe 2.
The working process of the embodiment is as follows: for public buildings, the lower end of the water delivery pipe 8 is connected with a lower-layer toilet water tank 14, the lower end of the overflow pipe 11 is connected with a lower-layer recovery pipe 6, and the wastewater of the hand washing ponds on different layers is recycled and the water source is automatically switched. Therefore, the waste water in the hand washing basin can be recovered to the maximum extent, and the pressure of the water delivery pipe is improved.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. A waste water recycling system capable of automatically switching water sources comprises a recycling pipeline and a tap water pipeline, and is characterized in that: the recycling pipeline comprises a water storage tank (1), a second water inlet (103) is formed in the top of the water storage tank (1), a recycling pipe (6) is connected to the second water inlet (103), the upper end of the recycling pipe (6) is connected with a hand washing basin on the layer, and the lower end of the recycling pipe (6) is communicated with the inside of the water storage tank (1); a water outlet (105) is formed in the bottom of the water storage tank (1), a water delivery pipe (8) is connected to the water outlet (105), the upper end of the water delivery pipe (8) is communicated with the inside of the water storage tank (1), and the lower end of the water delivery pipe (8) is connected with a toilet water tank (14) on the floor or a toilet water tank (14) on the lower floor;
the tap water pipeline comprises a first water inlet (102) formed in the top of the water storage tank (1), a water receiving pipe (2) is mounted on the first water inlet (102), the upper end of the water receiving pipe (2) is connected with a tap water pipe, and the lower end of the water receiving pipe (2) penetrates through the inside of the water storage tank (1) and is communicated with a water delivery pipe (8); install on water receiving pipe (2) on storage water tank (1) upper portion and inhale magnetism valve (3), be equipped with magnetism valve switch (301) on magnetism valve (3), the cover is equipped with kicking block (4)) on the inside water receiving pipe (2) of storage water tank (1), be connected with between kicking block (4) and magnetism valve switch (301) trace (5), trace (5) are scalable pole.
2. The wastewater recycling system capable of automatically switching water sources according to claim 1, wherein: the lower end of the recovery pipe (6) is detachably provided with filter cotton (7).
3. The wastewater recycling system capable of automatically switching water sources according to claim 1, wherein: the inner bottom surface of the water storage tank (1) is a slope surface (101), the water outlet (105) is arranged at the top of the slope surface (101), and the upper end of the water outlet (105) is provided with a filter screen (9); slag discharge opening (106) have been seted up at the bottom of sloping surface (101), be connected with slag discharge pipe (12) on slag discharge opening (106), the upper end of slag discharge pipe (12) is linked together with the inside of storage water tank (1), the lower extreme of slag discharge pipe (12) is connected with the sewer line.
4. The wastewater recycling system capable of automatically switching water sources according to claim 3, wherein: and a switch valve (13) is arranged on the slag discharge pipe (12).
5. The wastewater recycling system capable of automatically switching water sources according to claim 1, wherein: an overflow opening (104) is formed in the upper portion of the side face of the water storage tank (1), an overflow pipe (11) is connected to the overflow opening (104), the upper end of the overflow pipe (11) is communicated with the inside of the water storage tank (1), and the lower end of the overflow pipe (11) is connected with a sewer line of the layer or a recovery pipe (6) of the lower layer.
6. The wastewater recycling system capable of automatically switching water sources according to claim 1, wherein: a single valve (10) is arranged in front of the joint of the water delivery pipe (8) and the water receiving pipe (2).
CN202010515833.7A 2020-06-09 2020-06-09 But waste water recycling system of automatic switch-over water source Withdrawn CN111519695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010515833.7A CN111519695A (en) 2020-06-09 2020-06-09 But waste water recycling system of automatic switch-over water source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010515833.7A CN111519695A (en) 2020-06-09 2020-06-09 But waste water recycling system of automatic switch-over water source

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Publication Number Publication Date
CN111519695A true CN111519695A (en) 2020-08-11

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CN202010515833.7A Withdrawn CN111519695A (en) 2020-06-09 2020-06-09 But waste water recycling system of automatic switch-over water source

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114541513A (en) * 2022-03-08 2022-05-27 华北水利水电大学 Circulated formula apartment water saving system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114541513A (en) * 2022-03-08 2022-05-27 华北水利水电大学 Circulated formula apartment water saving system
CN114541513B (en) * 2022-03-08 2023-09-01 华北水利水电大学 Circulated formula apartment water saving system

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Application publication date: 20200811

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