CN201665893U - Altitude difference recycling water-saving device - Google Patents
Altitude difference recycling water-saving device Download PDFInfo
- Publication number
- CN201665893U CN201665893U CN2010201661564U CN201020166156U CN201665893U CN 201665893 U CN201665893 U CN 201665893U CN 2010201661564 U CN2010201661564 U CN 2010201661564U CN 201020166156 U CN201020166156 U CN 201020166156U CN 201665893 U CN201665893 U CN 201665893U
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- 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
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Abstract
The utility model relates to the technical field of domestic or production water recycling, in particular to an altitude difference recycling water-saving device which comprises an upper water reservoir, a middle water reservoir and a lower water reservoir, wherein the upper water reservoir is provided with a running water inlet pipe; the middle water reservoir is arranged below the upper water reservoir; the lower water reservoir is arranged below the middle water reservoir; the bottom of the upper water reservoir is provided with an upper water outlet; the upper water outlet is connected with an upper drain pipe and an upper output pipe through a first transfer switch; the bottom of the middle water reservoir is provided with a middle water outlet; the middle water outlet is connected with a middle drain pipe and a middle output pipe through a second transfer switch; the bottom of the lower water reservoir is provided with a lower water outlet; and the lower water outlet is connected with a lower drain pipe and a lower output pipe through a third transfer switch. The utility model has reasonable and compact structure and convenient use; in addition, the used dirtier water in the water reservoir above is drained to an inlet of a sewage pipe through the transfer switch, and the cleaner water flows to the water reservoir below for recycling. The utility model has the characteristics of small volume and high water utilization ratio.
Description
One, technical field
The utility model relates to life or industrial water recycling technical field, is the multiplexing water saving fixtures of a kind of discrepancy in elevation.
Two, background technology
The utilization rate of living water use is lower at present, just effectively utilizes and is drained, and has caused the waste of water resource.Though some reusing device for waste water are arranged in the market,, thereby do not find broad application because its equipment volume is big, dumb when using, water use efficiency is lower.
Three, summary of the invention
The utility model provides a kind of discrepancy in elevation multiplexing water saving fixtures, and its equipment volume that has solved existing reusing device for waste water is big, dumb when consumes energy, use, problem that water use efficiency is lower.
The technical solution of the utility model realizes by following measure: the multiplexing water saving fixtures of a kind of discrepancy in elevation, comprise reservoir, middle reservoir and following reservoir, last reservoir, in reservoir and following reservoir be installed on the wall or on the support, the tap water water inlet pipe is installed on the last reservoir, middle reservoir is positioned at the below of reservoir, following reservoir is arranged in the below of reservoir, last outfall is arranged at the bottom of last reservoir, and last outfall is connected with last blow-off pipe that is connected with the soil pipe inlet and the last efferent duct that is connected with middle reservoir by first changeover switch; Middle outfall is arranged at the bottom of middle reservoir, and middle outfall is connected with middle blow-off pipe that is connected with the soil pipe inlet and the middle efferent duct that is connected with following reservoir by second changeover switch; Following outfall is arranged at the bottom of following reservoir, and following outfall is connected with down blow pipe and the following efferent duct that is connected with the soil pipe inlet by the 3rd changeover switch.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
Above-mentioned first changeover switch, second changeover switch and the 3rd changeover switch can comprise valve casing respectively, spool, valve shaft and handle, there is valve pocket the inside of valve casing, the inlet opening that is connected with valve pocket is arranged at valve casing top, spool is installed in the valve pocket bottom and can rotates, the central upper portion of spool is installed with valve shaft, the upper end of valve shaft is stretched out the valve casing outside and is installed with handle, the left and right sides, bottom of valve casing has the effluent discharge hole respectively and utilizes the water hole again, have on the spool valve pocket is connected with the effluent discharge hole or with utilize the water hole to be connected again or the valve opening of valve pocket lower seal; Inlet opening by pipeline and last outfall or middle outfall or down outfall be connected, the effluent discharge hole is connected with the water inlet of last blow-off pipe or middle blow-off pipe or down blow pipe, utilizes the water hole to be connected with the water inlet of last efferent duct or middle efferent duct or following efferent duct again.
Can there be median septum the inside of reservoir in above-mentioned, and the inner chamber of middle reservoir forms the bigger less middle water-purifying cavity of middle soil chamber and right side in left side by median septum, and the delivery port of last efferent duct is connected with middle soil chamber, and the tap water water inlet pipe is installed on the middle water-purifying cavity; Simple and easy switch in being equipped with on the median septum, in simple and easy switch comprise middle valve plate and shaft, middle valve plate is installed in the median septum left side by shaft and can rotates, on the median septum of shaft below middle plate through hole is arranged, the middle valve plate hole that plate through hole left end is connected with middle soil chamber or middle plate through hole stops up in can making is arranged on the middle valve plate.
Can there be lower clapboard the above-mentioned inside of reservoir down, the inner chamber of following reservoir forms the bigger less following water-purifying cavity of following soil chamber and right side in left side by lower clapboard, the delivery port of middle efferent duct is connected with following soil chamber, on the following water-purifying cavity tap water water inlet pipe is installed: simple and easy switch is installed down on the lower clapboard, simple and easy switch comprises lower disc and lower rotary shaft down, lower disc is installed in the lower clapboard left side by lower rotary shaft and can rotates, on the lower clapboard of lower rotary shaft below the lower plate through hole is arranged, have on the lower disc lower plate through hole left end is connected or the lower disc hole of lower plate through hole obstruction with following soil chamber.
Between the delivery port of above-mentioned upward blow-off pipe, middle blow-off pipe and down blow pipe and the soil pipe inlet polywater distributive pipe can be arranged, have last contamination mouth, middle contamination mouth and following contamination mouth also to be connected with the delivery port of last blow-off pipe, middle blow-off pipe and down blow pipe respectively on the sidewall of polywater distributive pipe, there is outlet of sewer the lower end of polywater distributive pipe and is connected with the soil pipe inlet.
Can be separately installed with water valve from the beginning on the tap water water inlet pipe in above-mentioned upward reservoir, middle reservoir and following all ponds.
The utility model reasonable and compact in structure, easy to use, it makes in the reservoir of top by changeover switch and drains into the soil pipe inlet with dirtier part in the water of crossing, and the reservoir that clean part flows into the below reuses, and has the advantages that volume is little, water use efficiency is high.
Four, description of drawings
Accompanying drawing 1 is looked the sectional structure schematic diagram for the master of the utility model most preferred embodiment.
Accompanying drawing 2 is the local structure for amplifying schematic diagram of first changeover switch in the accompanying drawing 1.
Accompanying drawing 3 be in the accompanying drawing 1 in the local structure for amplifying schematic diagram of simple and easy switch.
Coding in the accompanying drawing is respectively: 1 is last reservoir, and 2 is middle reservoir, and 3 are following reservoir, 4 is last outfall, and 5 is first changeover switch, and 6 are the soil pipe inlet, 7 is last blow-off pipe, and 8 is last efferent duct, and 9 is middle outfall, 10 is second changeover switch, and 11 is middle blow-off pipe, and 12 is middle efferent duct, 13 are following outfall, and 14 is the down blow pipe, and 15 is valve casing, 16 is spool, and 17 is valve shaft, and 18 is handle, 19 is valve pocket, and 20 is inlet opening, and 21 are the effluent discharge hole, 22 for utilizing the water hole again, and 23 is valve opening, and 24 is median septum, 25 is middle soil chamber, and 26 is middle water-purifying cavity, 27 be in simple and easy switch, 28 is middle valve plate, and 29 is shaft, and 30 is middle plate through hole, 31 is the middle valve plate hole, and 32 is lower clapboard, and 33 are following soil chamber, 34 are following water-purifying cavity, and 35 are following simple and easy switch, and 36 is the polywater distributive pipe, 37 is last contamination mouth, and 38 is middle contamination mouth, and 39 are following contamination mouth, 40 is outlet of sewer, and 41 is the 3rd changeover switch, and 42 are following efferent duct.
Five, the specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, the multiplexing water saving fixtures of this discrepancy in elevation comprise reservoir 1, middle reservoir 2 and following reservoir 3, last reservoir 1, middle reservoir 2 and following reservoir 3 are installed on the wall or on the support, on the last reservoir 1 the tap water water inlet pipe is installed, middle reservoir 2 is positioned at the below of reservoir 1, following reservoir 3 is arranged in the below of reservoir 2, last outfall 4 is arranged at the bottom of last reservoir 1, and last outfall 4 is connected with the last efferent duct 8 that enters the mouth the 6 last blow-off pipes 7 that are connected and be connected with middle reservoir 2 with soil pipe by first changeover switch 5; Middle outfall 9 is arranged at the bottom of middle reservoir 2, and middle outfall 9 is connected with the middle efferent duct 12 that enters the mouth the 6 middle blow-off pipes 11 that are connected and be connected with following reservoir 3 with soil pipe by second changeover switch 10; Following outfall 13 is arranged at the bottom of following reservoir 3, and following outfall 13 is connected with and soil pipe inlet 6 down blow pipe that is connected 14 and following efferent ducts 42 by the 3rd changeover switch 41.The water that the tap water water inlet pipe flows out enters successively in reservoir 1, middle reservoir 2 and the following reservoir 3 and through three times and uses, water resource has been obtained fully and effectively utilize, and go up that reservoir 1, middle reservoir 2 and following reservoir 3 are stacked to be installed together that volume is less, use is also comparatively flexible.When the 3rd changeover switch 41 made down reservoir 3 be connected with following efferent duct 42, the water in the following reservoir 3 can flow into follow-up water treating pond or sedimentation basin by following efferent duct 42, perhaps the toilet seat water tank of washroom.
Can according to actual needs the multiplexing water saving fixtures of the above-mentioned discrepancy in elevation be made further optimization and/or improvements:
As accompanying drawing 1, shown in 2, first changeover switch 5, second changeover switch 10 and the 3rd changeover switch 41 comprise valve casing 15 respectively, spool 16, valve shaft 17 and handle 18, there is valve pocket 19 inside of valve casing 15, the inlet opening 20 that is connected with valve pocket 19 is arranged at valve casing 15 tops, spool 16 is installed in valve pocket 19 bottoms and can rotates, the central upper portion of spool 16 is installed with valve shaft 17, the upper end of valve shaft 17 is stretched out valve casing 15 outsides and is installed with handle 18, the left and right sides, bottom of valve casing 15 has effluent discharge hole 21 respectively and utilizes water hole 22 again, have on the spool 16 valve pocket 19 is connected with effluent discharge hole 21 or with utilize water hole 22 to be connected again or the valve opening 23 of valve pocket 19 lower seal; Inlet opening 20 by pipeline and last outfall 4 or middle outfall 9 or down outfall 13 be connected, effluent discharge hole 21 is connected with the water inlet of last blow-off pipe 7 or middle blow-off pipe 11 or down blow pipe 14, utilizes water hole 22 to be connected with the water inlet of last efferent duct 8 or middle efferent duct 12 or following efferent duct 42 again.With hand turning handle 18, handle 18 drives spool 16 rotations by valve shaft 17, when the water that flows in the inlet opening 20 is messy, make the valve opening 23 on the spool 16 aim at the water inflow soil pipe inlet 6 that effluent discharge hole 21, the first changeover switches 5 or second changeover switch 10 or the 3rd changeover switch 41 can make the top; When the water that flows in the inlet opening 20 is relatively cleaner, make valve opening 23 alignings on the spool 16 utilize water hole 22 again, the water that first changeover switch 5 or second changeover switch 40 or the 3rd changeover switch 41 can make the top flows into middle reservoir 2 or the following reservoir 3 or the follow up device of below, reuse: when the valve opening on the spool 16 23 both misalignment effluent discharge hole 21 when also misalignment utilizes water hole 22 again, first changeover switch 5 or second changeover switch 10 or the 3rd changeover switch 41 are in closed condition, and water does not flow.
As accompanying drawing 1, shown in 3, there is median septum 24 inside of middle reservoir 2, the inner chamber of middle reservoir 2 forms the bigger less middle water-purifying cavity 26 of middle soil chamber 25 and right side in left side by median septum 24, the delivery port of last efferent duct 8 is connected with middle soil chamber 25, on the middle water-purifying cavity 26 the tap water water inlet pipe is installed; Simple and easy switch 27 in being equipped with on the median septum 24, in simple and easy switch 27 comprise middle valve plate 28 and shaft 29, middle valve plate 28 is installed in median septum 24 left sides by shaft 29 and can rotates, middle plate through hole 30 is arranged on the median septum 24 of shaft 29 belows, the middle valve plate hole 31 that plate through hole 30 left sides are connected with middle soil chamber 25 or middle plate through hole 30 stops up in can making is arranged on the middle valve plate 28.Rotate middle valve plate 28 with hand, in the middle valve plate hole on the middle valve plate 28 31 is aimed at during plate through hole 30, during the tap water that store in the water-purifying cavity 26 in can making flow in the soil chamber 25, use or wash in reservoir 2 bottom dirts; When in middle valve plate hole 31 misalignments on the middle valve plate 28 during plate through hole 30, middle soil chamber 25 and middle water-purifying cavity 26 keep isolating.
As shown in Figure 1, there is lower clapboard 32 inside of following reservoir 3, and the inner chamber of following reservoir 3 forms the bigger less following water-purifying cavity 34 of following soil chamber 33 and right side in left side by lower clapboard 32, and the delivery port of middle efferent duct 12 is connected with following soil chamber 33.On the following water-purifying cavity 34 the tap water water inlet pipe is installed; Simple and easy switch 35 is installed down on the lower clapboard 32, simple and easy switch 35 comprises lower disc and lower rotary shaft down, lower disc is installed in lower clapboard 32 left sides by lower rotary shaft and can rotates, on the lower clapboard 32 of lower rotary shaft below the lower plate through hole is arranged, have on the lower disc lower plate through hole left end is connected or the lower disc hole of lower plate through hole obstruction with following soil chamber 33.Rotate lower disc with hand, when the lower plate through hole is aimed in the lower disc hole on the lower disc, can make down the tap water that stores in the water-purifying cavity 34 flow to down in the soil chamber 33, use or wash down reservoir 3 bottom dirts.When the lower disc hole misalignment lower plate through hole on the lower disc, following soil chamber 33 and following water-purifying cavity 34 keep isolating.
As shown in Figure 1, between the delivery port of last blow-off pipe 7, middle blow-off pipe 11 and down blow pipe 14 and the soil pipe inlet 6 polywater distributive pipe 36 is arranged, have last contamination mouth 37, middle contamination mouth 38 and following contamination mouth 39 also to be connected with the delivery port of last blow-off pipe 7, middle blow-off pipe 11 and down blow pipe 14 respectively on the sidewall of polywater distributive pipe 36, there is outlet of sewer 40 lower end of polywater distributive pipe 36 and is connected with soil pipe inlet 6.Can reduce the use of union by polywater distributive pipe 36, simplify the setting of pipeline, and sewer be more unimpeded.
As shown in Figure 1, be separately installed with from the beginning water valve on the tap water water inlet pipe of last reservoir 1, middle reservoir 2 and following reservoir 3 and can control the flow size of whether injecting tap water and tap water easily by water valve from the beginning.From the beginning water valve can with gate valve, ball valve, alkali ball valve or float valve.
In addition, the delivery port of the outlet of sewer 40 of polywater distributive pipe 35 or following efferent duct 42 can feed the toilet seat water tank 40 of washroom, there is water tank baffle the inside of toilet seat water tank, the toilet seat water tank inner chamber forms the bigger less water tank water-purifying cavity of water tank soil chamber and right side in left side by water tank baffle, the delivery port of outlet of sewer 40 or following efferent duct 42 is connected with the water tank soil chamber, and running water pipe is connected with the water tank water-purifying cavity by float valve; The simple and easy switch of water tank is installed on the water tank baffle, the simple and easy switch of water tank comprises water tank valve block and water tank rotating shaft, the water tank valve block is installed in the water tank baffle left side by the water tank rotating shaft and can rotates, on the water tank baffle of water tank rotating shaft below the water chamber plate through hole is arranged, have on the water tank valve block water chamber plate through hole left end is connected or the radiator valve film perforation of water chamber plate through hole obstruction with the water tank soil chamber.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
Claims (10)
1. multiplexing water saving fixtures of the discrepancy in elevation, it is characterized in that comprising reservoir, middle reservoir and following reservoir, last reservoir, middle reservoir and following reservoir are installed on the wall or on the support, the tap water water inlet pipe is installed on the last reservoir, middle reservoir is positioned at the below of reservoir, following reservoir is arranged in the below of reservoir, last outfall is arranged at the bottom of last reservoir, and last outfall is connected with last blow-off pipe that is connected with the soil pipe inlet and the last efferent duct that is connected with middle reservoir by first changeover switch; Middle outfall is arranged at the bottom of middle reservoir, and middle outfall is connected with middle blow-off pipe that is connected with the soil pipe inlet and the middle efferent duct that is connected with following reservoir by second changeover switch; Following outfall is arranged at the bottom of following reservoir, and following outfall is connected with down blow pipe and the following efferent duct that is connected with the soil pipe inlet by the 3rd changeover switch.
2. the multiplexing water saving fixtures of the discrepancy in elevation according to claim 1, it is characterized in that first changeover switch, second changeover switch and the 3rd changeover switch comprise valve casing respectively, spool, valve shaft and handle, there is valve pocket the inside of valve casing, the inlet opening that is connected with valve pocket is arranged at valve casing top, spool is installed in the valve pocket bottom and can rotates, the central upper portion of spool is installed with valve shaft, the upper end of valve shaft is stretched out the valve casing outside and is installed with handle, the left and right sides, bottom of valve casing has the effluent discharge hole respectively and utilizes the water hole again, have on the spool valve pocket is connected with the effluent discharge hole or with utilize the water hole to be connected again or the valve opening of valve pocket lower seal; Inlet opening by pipeline and last outfall or middle outfall or down outfall be connected, the effluent discharge hole is connected with the water inlet of last blow-off pipe or middle blow-off pipe or down blow pipe, utilizes the water hole to be connected with the water inlet of last efferent duct or middle efferent duct or following efferent duct again.
3. the multiplexing water saving fixtures of the discrepancy in elevation according to claim 1 and 2, there is median septum the inside of reservoir in it is characterized in that, the inner chamber of middle reservoir forms the bigger less middle water-purifying cavity of middle soil chamber and right side in left side by median septum, the delivery port of last efferent duct is connected with middle soil chamber, and the tap water water inlet pipe is installed on the middle water-purifying cavity; Simple and easy switch in being equipped with on the median septum, in simple and easy switch comprise middle valve plate and shaft, middle valve plate is installed in the median septum left side by shaft and can rotates, on the median septum of shaft below middle plate through hole is arranged, the middle valve plate hole that plate through hole left end is connected with middle soil chamber or middle plate through hole stops up in can making is arranged on the middle valve plate.
4. the multiplexing water saving fixtures of the discrepancy in elevation according to claim 1 and 2, it is characterized in that there is lower clapboard the inside of reservoir down, the inner chamber of following reservoir forms the bigger less following water-purifying cavity of following soil chamber and right side in left side by lower clapboard, the delivery port of middle efferent duct is connected with following soil chamber, on the following water-purifying cavity tap water water inlet pipe is installed; Simple and easy switch is installed down on the lower clapboard, simple and easy switch comprises lower disc and lower rotary shaft down, lower disc is installed in the lower clapboard left side by lower rotary shaft and can rotates, on the lower clapboard of lower rotary shaft below the lower plate through hole is arranged, have on the lower disc lower plate through hole left end is connected or the lower disc hole of lower plate through hole obstruction with following soil chamber.
5. the multiplexing water saving fixtures of the discrepancy in elevation according to claim 3, it is characterized in that there is lower clapboard the inside of reservoir down, the inner chamber of following reservoir forms the bigger less following water-purifying cavity of following soil chamber and right side in left side by lower clapboard, the delivery port of middle efferent duct is connected with following soil chamber, on the following water-purifying cavity tap water water inlet pipe is installed; Simple and easy switch is installed down on the lower clapboard, simple and easy switch comprises lower disc and lower rotary shaft down, lower disc is installed in the lower clapboard left side by lower rotary shaft and can rotates, on the lower clapboard of lower rotary shaft below the lower plate through hole is arranged, have on the lower disc lower plate through hole left end is connected or the lower disc hole of lower plate through hole obstruction with following soil chamber.
6. the multiplexing water saving fixtures of the discrepancy in elevation according to claim 1 and 2, it is characterized in that between the delivery port of blow-off pipe, middle blow-off pipe and down blow pipe and the soil pipe inlet polywater distributive pipe being arranged, have last contamination mouth, middle contamination mouth and following contamination mouth also to be connected with the delivery port of last blow-off pipe, middle blow-off pipe and down blow pipe respectively on the sidewall of polywater distributive pipe, there is outlet of sewer the lower end of polywater distributive pipe and is connected with the soil pipe inlet.
7. the multiplexing water saving fixtures of the discrepancy in elevation according to claim 4, it is characterized in that between the delivery port of blow-off pipe, middle blow-off pipe and down blow pipe and the soil pipe inlet polywater distributive pipe being arranged, have last contamination mouth, middle contamination mouth and following contamination mouth also to be connected with the delivery port of last blow-off pipe, middle blow-off pipe and down blow pipe respectively on the sidewall of polywater distributive pipe, there is outlet of sewer the lower end of polywater distributive pipe and is connected with the soil pipe inlet.
8. the multiplexing water saving fixtures of the discrepancy in elevation according to claim 5, it is characterized in that between the delivery port of blow-off pipe, middle blow-off pipe and down blow pipe and the soil pipe inlet polywater distributive pipe being arranged, have last contamination mouth, middle contamination mouth and following contamination mouth also to be connected with the delivery port of last blow-off pipe, middle blow-off pipe and down blow pipe respectively on the sidewall of polywater distributive pipe, there is outlet of sewer the lower end of polywater distributive pipe and is connected with the soil pipe inlet.
9. the multiplexing water saving fixtures of the discrepancy in elevation according to claim 7 is characterized in that being separately installed with water valve from the beginning on the tap water water inlet pipe of reservoir, middle reservoir and following reservoir.
10. the multiplexing water saving fixtures of the discrepancy in elevation according to claim 8 is characterized in that being separately installed with water valve from the beginning on the tap water water inlet pipe of reservoir, middle reservoir and following reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201661564U CN201665893U (en) | 2010-04-22 | 2010-04-22 | Altitude difference recycling water-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201661564U CN201665893U (en) | 2010-04-22 | 2010-04-22 | Altitude difference recycling water-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201665893U true CN201665893U (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201661564U Expired - Fee Related CN201665893U (en) | 2010-04-22 | 2010-04-22 | Altitude difference recycling water-saving device |
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| Country | Link |
|---|---|
| CN (1) | CN201665893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966141A (en) * | 2012-12-10 | 2013-03-13 | 华北电力大学（保定） | High-rise building auxiliary water supply system capable of utilizing building drainage energy |
-
2010
- 2010-04-22 CN CN2010201661564U patent/CN201665893U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966141A (en) * | 2012-12-10 | 2013-03-13 | 华北电力大学（保定） | High-rise building auxiliary water supply system capable of utilizing building drainage energy |
| CN102966141B (en) * | 2012-12-10 | 2014-06-25 | 华北电力大学（保定） | High-rise building auxiliary water supply system capable of utilizing building drainage energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20130422 |