CN114482200A - Water-cut water storage anti-freezing device and using method - Google Patents
Water-cut water storage anti-freezing device and using method Download PDFInfo
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- CN114482200A CN114482200A CN202210295431.XA CN202210295431A CN114482200A CN 114482200 A CN114482200 A CN 114482200A CN 202210295431 A CN202210295431 A CN 202210295431A CN 114482200 A CN114482200 A CN 114482200A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/04—Domestic or like local pipe systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
- E03B11/06—Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/09—Component parts or accessories
- E03B7/10—Devices preventing bursting of pipes by freezing
- E03B7/12—Devices preventing bursting of pipes by freezing by preventing freezing
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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 invention discloses a water-break water storage anti-freezing device and a using method thereof, relates to the technical field of pipeline anti-freezing, solves the problems of poor anti-freezing performance and high using cost of the existing pipeline heat-insulating structure, improves the anti-freezing capacity of a pipeline, and reduces the using cost, and the specific scheme is as follows: the water ejector is positioned below a freezing line, one end of the water ejector is connected with a water supply main pipe through a valve, the other end of the water ejector is connected with a vertically arranged water supply branch pipe, the bottom of the water ejector is connected with a retractable and expandable water storage bag, and the water ejector forms negative pressure through accelerated water flow to extract water in the water storage bag.
Description
Technical Field
The invention relates to the technical field of pipeline anti-freezing, in particular to a water-cut-off, water-storage and anti-freezing device and a using method thereof.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Due to the fact that the latitude of the northern area of China is high and the climate is cold in winter, and the anti-freezing measures of water supply pipelines of rural areas are simple and crude, the problem that pipelines of northern village and town water supply systems are frozen and blocked in winter is often caused.
At present, the water supply pipeline in rural areas has few anti-freezing devices, and for water supply pipelines in villages and towns, a water supply main pipe is generally buried below a freezing line and is difficult to freeze, and the overground part of the water supply branch pipe after entering a house is easy to freeze.
The inventor finds that the overground part of the water supply branch pipe after entering the household in the rural area is mostly wrapped by heat insulation materials such as cotton cloth and the like, but the mode can not effectively avoid the freezing of the water body in the overground part of the pipeline and seriously influences the supply of domestic water; some users can wind heating mechanisms such as the electric tracing band on the overground pipeline as heat preservation and anti-freezing measures, if the pipeline is prevented from freezing in winter, the electric tracing band needs to be in a heating state for a long time, a large amount of power resources are wasted, the use cost is high, the heating mechanism is easy to overload and damage due to long-time heating, and the problems of electric leakage and even electric shock are easily caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a water-break water-storage anti-freezing device and a using method thereof, which can recover and store water in an overground pipeline below a freezing line, reuse the stored water by utilizing a negative pressure principle and solve the problems of poor anti-freezing performance and high using cost of the existing pipeline heat-insulating structure.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, embodiments of the present invention provide a water-cut-off, water-storage and anti-freezing device, which includes a water ejector located below a freezing line, one end of the water ejector is connected to a water main pipe through a valve, the other end of the water ejector is connected to a vertically arranged water branch pipe, a collapsible and expandable water storage bag is connected to the bottom of the water ejector, and the water ejector forms a negative pressure through accelerated water flow to extract water in the water storage bag.
As a further implementation manner, the water injector is provided with a negative pressure cavity, a pressure increasing pipe is fixedly arranged in the negative pressure cavity, one end of the pressure increasing pipe extends out of the negative pressure cavity and is connected with a valve, the other end of the pressure increasing pipe is communicated with a throat pipe, the bottom of the negative pressure cavity is connected with a water storage bag, one end of the negative pressure cavity, which is far away from the valve, is communicated with a pressure expanding pipe, and the pressure expanding pipe is communicated with a water supply branch pipe.
As a further implementation manner, the pipe diameter of the pressure increasing pipe is smaller than that of the negative pressure cavity, the pipe diameter of the pressure increasing pipe is gradually reduced, and the pipe diameter of one end, extending out of the negative pressure cavity, of the pressure increasing pipe is the largest and is used for accelerating and increasing the pressure of water entering the negative pressure cavity from the water supply main pipe.
As a further implementation manner, the throat is located in the negative pressure cavity, the throat is of a long and thin pipeline structure, one end of the throat is fixedly connected with the pressure increasing pipe, and the other end of the throat is communicated with the negative pressure cavity and close to the pressure expanding pipe.
As a further implementation mode, the pipe diameter of the negative pressure cavity is gradually reduced, and the pipe diameter of one end, close to the valve, of the negative pressure cavity is the largest; the pipe diameter of the diffuser pipe gradually increases, and the pipe diameter minimum end of the diffuser pipe is communicated with the pipe diameter minimum end of the negative pressure cavity.
As a further implementation manner, the valve is connected with a control rod, one end of the control rod is connected with the valve, and the other end of the control rod extends out of the ground for controlling the valve.
As a further implementation mode, the water storage bag is made of a material which is easy to deform and is impermeable to water, a water bag protective shell is wrapped outside the water storage bag and made of a hard material, and a plurality of small holes are formed in the water bag protective shell.
As a further implementation, an expansion space is arranged between the water bag protective shell and the water storage bag.
In a second aspect, the present invention provides a method of using the above water-cut-off, water-storage and anti-freezing device, comprising: when water is supplied, the valve is opened, the water tap is opened at the same time, water flows enter the pressure increasing pipe, the flow velocity of the water flows in the pressure increasing pipe is gradually increased, the flow velocity reaches the maximum when the water flows reach the throat pipe, and the air in the negative pressure cavity is taken away by the high-speed water flows to reduce the pressure in the negative pressure cavity;
the negative pressure cavity is communicated with the throat pipe, the pressure in the negative pressure cavity is smaller than the external atmospheric pressure to form a negative pressure state, and water stored in the water storage bag enters the negative pressure cavity under the action of pressure difference and enters the water supply branch pipe along with high-speed water flow.
As a further implementation, the method further includes: after the water is cut off, the valve is closed and the water tap is opened simultaneously, so that the water supply branch pipe is communicated with the external atmosphere, water in the water supply branch pipe flows backwards under the action of gravity, the water storage bag is in a contraction state at the moment, the air pressure in the water storage bag is smaller than the external atmospheric pressure, water flow enters the negative pressure cavity through the diffuser pipe, and the water flow enters the water storage bag through the negative pressure cavity under the action of the external air pressure to be stored.
The beneficial effects of the invention are as follows:
(1) the water storage bag is communicated with the water ejector, negative pressure can be formed under the action of the water ejector to discharge water in the water storage bag when water is supplied, so that the water body is recycled, and waste is avoided.
(2) The water storage bag is externally wrapped with the water bag protective shell, a certain expansion space is formed between the water bag protective shell and the water storage bag, and the water bag protective shell can be prevented from interfering with expansion of the water storage bag while the water storage bag is protected.
(3) On one hand, when the valve is opened and a water supply branch pipe connected with the water ejector is blocked accidentally, the water bag can be supported, and the water bag is prevented from being broken due to the over-high water pressure; on the other hand, the small holes on the water bag protective shell allow air to enter and exit the water ejector so as to form pressure difference on two sides of the water storage bag, so that the expansion or contraction work of the water storage bag is ensured, and the water storage bag is protected from being extruded by covering soil.
(4) According to the invention, the pressure increasing pipe with the gradually reduced pipe diameter is arranged in the negative pressure cavity, the flow velocity of water flow is improved through the pressure increasing pipe, and then air in the negative pressure cavity is brought out quickly, so that the pressure in the negative pressure cavity is reduced, water in the water storage bag can be pumped back into the water ejector under the action of negative pressure, other vacuum pumping equipment is not needed, the structure and operation are simplified, and the use cost and difficulty are greatly reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of the overall structure of a water cut-off, storage and freeze protection apparatus according to one or more embodiments of the present invention;
FIG. 2 is a schematic flow diagram of a body of water after a water outage according to one or more embodiments of the invention;
FIG. 3 is a schematic flow diagram of a body of water after water supply according to one or more embodiments of the present invention;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1, a valve; 2. a control lever; 3. a water inlet; 4. a pressure increasing pipe; 5. a throat; 6. a negative pressure chamber; 7. a water storage port; 8. a water storage bag; 9. a diffuser pipe; 10. a water outlet; 11. a water sac protective shell.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As introduced in the background art, the pipelines are mostly wrapped by heat-insulating materials such as cotton cloth and the like at the parts of the pipelines above the ground after entering the house in rural areas, but the mode cannot effectively avoid the freezing of water bodies in the pipelines above the ground and seriously influence the supply of domestic water; the invention also provides a water-cut-off, water-storage and anti-freezing device and a use method thereof, aiming at solving the technical problems that some users wind heating mechanisms such as an electric tracing band on a pipeline on the ground as heat-preservation and anti-freezing measures, if the pipeline is prevented from freezing in winter, the electric tracing band needs to be in a heating state for a long time, a large amount of power resources are wasted, the use cost is high, the heating mechanism is easy to overload and damage due to long-time heating, and electric leakage and even electric shock are easy to cause.
Example 1
In a typical embodiment of the present invention, as shown in fig. 1, a water-cut-off, water-storage and anti-freezing device is provided, which comprises a valve 1, a control rod 2, a water injector and a water-storage bag 8.
Wherein, the one end and the water main connection of valve 1, the other end of valve 1 passes through the pipeline and is connected with the water dart, and the water main is buried underground below the line that freezes, and the main effect of valve 1 is the break-make of control water main.
Because valve 1 buries underground below freezing the line, for the convenience of the control to valve 1, has set up control lever 2, and 2 one end of control lever is connected with valve 1 under the freezing line, and ground is stretched out to the other end of control lever 2, and user's accessible control lever 2 carries out direct operation to valve 1.
In the embodiment, the control rod 2 extends out of the ground by a height of about 0.5-1.5 m, and it can be understood that in other embodiments, the length of the control rod 2 extending out of the ground is set according to the actual requirement of a user, and no limitation is made here.
The water ejector is provided with a water inlet 3, a water storage opening 7 and a water outlet 10, wherein the water inlet 3 and the water outlet 10 are respectively positioned on two sides of the water ejector, and the water storage opening 7 is positioned at the bottom of the water ejector.
The water inlet 3 of the water ejector is connected with the valve 1 through a pipeline, and the connection between the water ejector and the water supply main pipe can be switched on and off through the opening and closing of the valve 1; the water outlet 10 of the water ejector is connected with a water supply branch pipe, specifically, the water supply branch pipe is a vertically arranged water supply pipeline, one end of the water supply branch pipe is embedded below a freezing line and connected with the water outlet 10 of the water ejector, and the other end of the water supply branch pipe extends out of the ground and is provided with a faucet.
A water storage bag 8 is arranged below a water storage opening 7 of the water ejector, the water storage opening 7 is connected with the water storage bag 8 through a pipeline, and the water storage bag 8 is mainly used for recycling and storing water in the water supply branch pipe to avoid freezing of the water supply branch pipe.
Specifically, when the valve 1 is closed, water pressure does not exist in the water supply branch pipe, water in the water supply branch pipe flows back under the action of gravity and enters the water storage bag 8 through the water storage opening 7, recycling and storage are achieved, and the water storage bag 8 is located below a freezing line, so that freezing of a water body can be effectively avoided.
The water storage bag 8 is made of a material which is easy to deform and is impermeable to water, and can be expanded or contracted, in order to avoid damage to the water storage bag 8, the water bag protective shell 11 is wrapped outside the water storage bag 8, and an expansion space with a set size is formed between the water bag protective shell 11 and the water storage bag 8, so that the water bag protective shell 11 is prevented from obstructing expansion of the water storage bag 8.
It is understood that the setting size of the expansion space between the water bag protective case 11 and the water storage bag 8 is determined according to the expansion limit of the water storage bag 8, and is not limited too much.
The water bag protective shell 11 is made of hard materials, and a plurality of small holes are formed in the water bag protective shell 11, so that when the valve 1 is opened and a water supply branch pipe connected behind the water ejector is blocked accidentally, the water bag protective shell can support the water storage bag 8, and the water storage bag 8 is prevented from being broken due to the fact that the water storage bag is subjected to excessive water pressure; on the other hand, the small hole on the water bag protection shell 11 allows air to enter and exit the water injector to form a pressure difference on both sides of the water storage bag 8, and simultaneously protects the water storage bag 8 from being squeezed by the covered soil.
It can be understood that one or more water storage bags 8 can be arranged, when a plurality of water storage bags 8 are arranged, the water storage bags can be connected to one water storage opening 7 through a pipeline, or a plurality of water storage openings 7 can be arranged at intervals at the bottom of the water ejector, each water storage opening 7 is correspondingly connected with one water storage bag 8, the specific arrangement mode can be selected according to actual requirements, and no limitation is required here.
The water injector consists of a pressure increasing pipe 4, a throat pipe 5, a negative pressure cavity 6 and a diffuser pipe 9, wherein the pressure increasing pipe 4, the throat pipe 5, the negative pressure cavity 6 and the diffuser pipe 9 are all made of cast iron materials, the pressure increasing pipe 4 is fixedly connected with the negative pressure cavity 6, the connection part of the pressure increasing pipe 4 and the negative pressure cavity 6 is sealed, one end of the pressure increasing pipe 4 extends out of the negative pressure cavity 6, and the other end of the pressure increasing pipe 4 is located inside the negative pressure cavity 6 and communicated with the throat pipe 5.
Specifically, the pipe diameter of the pressure increasing pipe 4 is smaller than the negative pressure cavity 6, the inner diameter of the pipeline of the pressure increasing pipe 4 is gradually reduced, one end of the pressure increasing pipe 4, serving as the water inlet 3 of the water ejector, extends out of the negative pressure cavity 6 and is connected with the valve 1, the inner diameter of the pipeline, serving as the water inlet 3, of the pressure increasing pipe 4 is the largest, the inner diameter of the pipeline, serving as the water inlet 3, of the pressure increasing pipe 4 is the smallest, and the inner diameter of the pipeline, located at one end inside the negative pressure cavity 6, of the pressure increasing pipe 4 is the smallest, and the flow speed and the pressure of water flow are improved.
The throat pipe 5 is a slender pipeline structure, the pipe diameter size of the throat pipe 5 is the same as the pipe diameter size of one end of the pressurizing pipe 4, which is positioned in the negative pressure cavity 6, one end of the throat pipe 5 is fixedly connected with one end of the pressurizing pipe 4, which is positioned in the negative pressure cavity 6, the other end of the throat pipe 5 is communicated with the negative pressure cavity 6 and close to the diffuser pipe 9, and the throat pipe 5 has the main function of discharging the pressurized water body into the diffuser pipe 9 according to the pressure after pressurization, so that the pressure and the flow rate of the water body are prevented from being reduced.
The water storage opening 7 is located at the bottom of the negative pressure cavity 6, the pipe diameter of the negative pressure cavity 6 is gradually reduced, the pipe diameter of one end fixedly connected with the pressure increasing pipe 4 is the largest, the end with the smallest pipe diameter of the negative pressure cavity 6 is communicated with the pipe diameter minimum end of the diffuser pipe 9, and therefore the flow speed of water flow is increased, low pressure is formed near high-speed water flow, adsorption capacity is generated, and air in the negative pressure cavity is taken away.
One end, far away from the negative pressure cavity 6, of the diffuser pipe 9 serves as a water outlet 10, the pipe diameter of the diffuser pipe 9 is gradually increased, the pipe diameter of one end, serving as the water outlet 10, of the diffuser pipe 9 is the largest, the flow speed of water flow entering the water supply branch pipe is reduced, the pressure of the water flow is improved, and the use requirements of users are met.
Example 2
In another exemplary embodiment of the present application, as shown in fig. 2 to fig. 3, a method for using the water cut-off, storage and freeze protection device according to embodiment 1 is provided, which includes the following steps:
when water is supplied, the valve 1 is opened, a water tap (shown in figure 3) is opened at the same time, water flows into a water inlet 3 of the water ejector, the inner diameter of a pipeline of the pressure increasing pipe 4 is gradually reduced, the flow rate of the water flows in the pressure increasing pipe 4 is gradually increased, the flow rate of the water flows reaches the maximum when the water flows reach the throat pipe 5, and air in the negative pressure cavity 6 is taken away by the high-speed water flows to reduce the pressure in the negative pressure cavity 6;
the negative pressure cavity 6 is communicated with the throat pipe 5, the pressure in the negative pressure cavity 6 is smaller than the external atmospheric pressure to form a negative pressure state, and the water stored in the water storage bag 8 enters the water supply branch pipe along with high-speed water flow through the water outlet 10 of the water ejector under the action of pressure difference, so that the water stored in the water storage bag 8 is utilized, and the waste of water resources is avoided;
after water is cut off, the valve 1 is closed, a water tap (shown in figure 2) is opened at the same time, so that the water supply branch pipe is communicated with the outside atmosphere, water in the water supply branch pipe connected with the water outlet 10 of the water ejector flows back under the action of gravity, at the moment, the water storage bag 8 is in a contraction state, the air pressure in the water storage bag 8 is smaller than the outside atmosphere pressure, water flows into the negative pressure cavity 6 through the water outlet 10 of the water ejector and the diffuser pipe 9, the water flows into the water storage bag 8 through the water storage opening 7 at the bottom of the negative pressure cavity 6 under the action of the outside air pressure for storage, and the water in the water storage bag 8 cannot be frozen due to the fact that the water cut-off and freeze-proof device is integrally embedded below a freezing line, water in the pipe section of the ground of the water supply branch pipe is recycled, and the risk of freezing of the water supply branch pipe is avoided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The water-cut-off, water-storage and anti-freezing device is characterized by comprising a water ejector positioned below a freezing line, wherein one end of the water ejector is connected with a water supply main pipe through a valve, the other end of the water ejector is connected with a vertically arranged water supply branch pipe, the bottom of the water ejector is connected with a retractable and expandable water storage bag, and the water ejector forms negative pressure through accelerated water flow so as to extract water in the water storage bag.
2. The water-break water-storage anti-freezing device as claimed in claim 1, wherein the water injector is provided with a negative pressure cavity, a pressure-increasing pipe is fixedly arranged in the negative pressure cavity, one end of the pressure-increasing pipe extends out of the negative pressure cavity and is connected with the valve, the other end of the pressure-increasing pipe is communicated with a throat pipe, the bottom of the negative pressure cavity is connected with the water storage bag, one end of the negative pressure cavity, far away from the valve, is communicated with a pressure-increasing pipe, and the pressure-increasing pipe is communicated with the water supply branch pipe.
3. The water-break water-storage anti-freezing device as claimed in claim 2, wherein the pipe diameter of the pressure-increasing pipe is smaller than that of the negative pressure cavity, the pipe diameter of the pressure-increasing pipe is gradually reduced, and the pipe diameter of the end of the pressure-increasing pipe, which extends out of the negative pressure cavity, is the largest, so that the water entering the negative pressure cavity from the water main pipe is accelerated and pressurized.
4. The water-break water-storage anti-freezing device as claimed in claim 2, wherein the throat is located in the negative pressure cavity, the throat is in a slender pipeline structure, one end of the throat is fixedly connected with the pressure increasing pipe, and the other end of the throat is communicated with the negative pressure cavity and close to the diffuser pipe.
5. The water-break water-storage anti-freezing device as claimed in claim 2, wherein the pipe diameter of the negative pressure cavity is gradually reduced, and the pipe diameter of one end of the negative pressure cavity close to the valve is maximum; the pipe diameter of the diffuser pipe gradually increases, and the pipe diameter minimum end of the diffuser pipe is communicated with the pipe diameter minimum end of the negative pressure cavity.
6. The water-break water-storage anti-freezing device as claimed in claim 1, wherein the valve is connected with a control rod, one end of the control rod is connected with the valve, and the other end of the control rod extends out of the ground for controlling the valve.
7. The water-break water-storage anti-freezing device as claimed in claim 1, wherein the water-storage bag is made of a material which is easy to deform and waterproof, a water-bag protective shell is wrapped outside the water-storage bag, the water-bag protective shell is made of a hard material, and a plurality of small holes are formed in the water-bag protective shell.
8. A water break, storage and freeze protection device as claimed in claim 7, wherein an expansion space is provided between the water bag and the water bag.
9. The use method of the water-break water-storage anti-freezing device as claimed in any one of claims 1 to 8, comprising:
when water is supplied, the valve is opened, the water tap is opened at the same time, water flows enter the pressure increasing pipe, the flow velocity of the water flows in the pressure increasing pipe is gradually increased, the flow velocity reaches the maximum when the water flows reach the throat pipe, and the air in the negative pressure cavity is taken away by the high-speed water flows to reduce the pressure in the negative pressure cavity;
the negative pressure cavity is communicated with the throat pipe, the pressure in the negative pressure cavity is smaller than the external atmospheric pressure to form a negative pressure state, and water stored in the water storage bag enters the negative pressure cavity under the action of pressure difference and enters the water supply branch pipe along with high-speed water flow.
10. The method of use of claim 9, further comprising:
after the water is cut off, the valve is closed and the water tap is opened simultaneously, so that the water supply branch pipe is communicated with the external atmosphere, water in the water supply branch pipe flows backwards under the action of gravity, the water storage bag is in a contraction state at the moment, the air pressure in the water storage bag is smaller than the external atmospheric pressure, water flow enters the negative pressure cavity through the diffuser pipe, and the water flow enters the water storage bag through the negative pressure cavity under the action of the external air pressure to be stored.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210295431.XA CN114482200A (en) | 2022-03-24 | 2022-03-24 | Water-cut water storage anti-freezing device and using method |
| PCT/CN2022/127741 WO2023179017A1 (en) | 2022-03-24 | 2022-10-26 | Water cutoff and water storage freezing prevention apparatus and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210295431.XA CN114482200A (en) | 2022-03-24 | 2022-03-24 | Water-cut water storage anti-freezing device and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114482200A true CN114482200A (en) | 2022-05-13 |
Family
ID=81488367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210295431.XA Pending CN114482200A (en) | 2022-03-24 | 2022-03-24 | Water-cut water storage anti-freezing device and using method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114482200A (en) |
| WO (1) | WO2023179017A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179017A1 (en) * | 2022-03-24 | 2023-09-28 | 青岛理工大学 | Water cutoff and water storage freezing prevention apparatus and use method |
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- 2022-03-24 CN CN202210295431.XA patent/CN114482200A/en active Pending
- 2022-10-26 WO PCT/CN2022/127741 patent/WO2023179017A1/en unknown
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| CN201649174U (en) * | 2010-04-28 | 2010-11-24 | 唐山明禹节水科技有限公司 | Anti-freezing device of tap water supply terminal |
| CN203546818U (en) * | 2013-11-13 | 2014-04-16 | 太原钢铁(集团)有限公司 | Automatic water discharging anti-freezing valve |
| CN204676638U (en) * | 2015-04-21 | 2015-09-30 | 胡宇祥 | One can self-draining water supply pipe defroster |
| CN113279460A (en) * | 2021-06-23 | 2021-08-20 | 沈阳建筑大学 | Anti-freezing type decontamination system for water-flushed toilet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179017A1 (en) * | 2022-03-24 | 2023-09-28 | 青岛理工大学 | Water cutoff and water storage freezing prevention apparatus and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023179017A1 (en) | 2023-09-28 |
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