CN113502878A - Direct pressure-superposed secondary water supply equipment - Google Patents
Direct pressure-superposed secondary water supply equipment Download PDFInfo
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- CN113502878A CN113502878A CN202110819371.2A CN202110819371A CN113502878A CN 113502878 A CN113502878 A CN 113502878A CN 202110819371 A CN202110819371 A CN 202110819371A CN 113502878 A CN113502878 A CN 113502878A
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- water
- pressure
- superposed
- water supply
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 230000007704 transition Effects 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 239000008399 tap water Substances 0.000 abstract description 22
- 235000020679 tap water Nutrition 0.000 abstract description 22
- 238000000034 method Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 229920006254 polymer film Polymers 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 241000282806 Rhinoceros Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
-
- 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
-
- 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
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/078—Combined units with different devices; Arrangement of different devices with respect to each other
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses direct-superposed secondary water supply equipment which comprises a step seat, a water storage tank, a water delivery pump and a superposed device, wherein the water storage tank is arranged on the left side of the top of the step seat, the water delivery pump is arranged in the middle of the top of the step seat, the superposed device is arranged on the right side of the top of the step seat, and a vortex-type tap water transition device is adopted.
Description
Technical Field
The invention relates to the technical field of secondary water supply, in particular to direct pressure-superposed secondary water supply equipment.
Background
With the continuous development of high-rise buildings in China in recent years, the application of secondary water supply systems is increasing day by day. At present, secondary water supply in China mainly comprises two main categories: one is a water supply mode of arranging a water pump to take water from a water pool and a water tank, and the other is a water supply mode of canceling the water pool and directly connecting the water pump in series.
In any of the above-mentioned water supply methods, it is necessary to perform pressurization operation during the use process so as to ensure the water quality of users, and in this process, various water pumps are required to be used, the number of the water pumps is appropriately increased according to the floor height, and the size of the water pump used is selected according to the floor and the number of users.
Correspondingly, along with the increase of the number of the water pumps, the probability of secondary pollution to tap water can be increased, and the cost of the water using process can be increased by using the larger water pump, so that the water using process is not environment-friendly, and extra burden can be caused to users and maintenance personnel, therefore, how to increase the tap water on the basis of energy saving is a problem which cannot be ignored at present.
Disclosure of Invention
The invention aims to provide direct pressure-superposed secondary water supply equipment to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a direct pressure-superposed type secondary water supply equipment, includes ladder seat, storage water tank, water delivery pump and pressure-superposed device, and the storage water tank setting is in the left side at ladder seat top, and water delivery pump installs at the middle part at ladder seat top, and pressure-superposed device sets up the right side at ladder seat top, and pressure-superposed device includes transition bucket, compensation chamber and vortex groove, and the top at ladder seat is installed to the transition bucket, and the compensation chamber is seted up in the inside of transition bucket, and the vortex groove is seted up on the inner wall in compensation chamber.
Preferably, the right side at the top of the ladder seat is provided with a slide way, the inner cavity of the slide way is movably clamped with a slide block, the top of the slide block is fixedly connected with the bottom of the transition barrel, and the slide way is herringbone.
Preferably, the compensation chamber is a conical chamber, the top of the left side of the transition barrel is provided with a water inlet, and the bottom of the right side of the transition barrel is provided with a water outlet.
Preferably, the right end of the water inlet is communicated with the top of the vortex groove, the left side of the water outlet is communicated with the bottom of the vortex groove, the water inlet is a convex opening, the inner cavity of the water inlet is connected with a butt joint pipe in a penetrating manner, and the right end of the butt joint pipe is fixedly connected with a dismounting spring.
Preferably, the inclined bags are installed on two sides of the bottom of the inner cavity of the water storage tank, a plurality of replacement holes are formed in the tops of the inclined bags, and sealing films are fixedly connected to the openings of the replacement holes.
Preferably, the left side of the water delivery pump is communicated with the water storage tank through a pipeline, and the right side of the water delivery pump is communicated with the water inlet through a pipeline.
Preferably, the inner wall of the vortex groove is fixedly connected with a plurality of filter wires which are irregularly distributed in a staggered manner, and the top of the vortex groove is superposed with the tip part of the compensation cavity.
Compared with the prior art, the invention has the beneficial effects that:
1. this direct pressure-superposed secondary water supply equipment, adopt the running water transition device of eddy current type, this is the part of pipeline at first, can not produce the running water and be similar to the condition with the equipment contact like the water pump, avoided the running water to receive secondary pollution's probability, secondly, adopt the transition device of eddy current type, make the running water can directly be with the continuous flow of vortex form in trickling, when the running water flows, can carry out acceleration rate operation for the running water, thereby make when entering into user's pipeline, have higher speed, thereby supplementary the play water quality that improves user's water.
2. This direct pressure-superposed secondary water supply equipment, the mode that adopts the vortex comes to fold for the running water and presses, alright realize the running water increase of certain degree with using less water pump at whole secondary water supply in-process, more energy-concerving and environment-protective, this characteristics mainly appear, the water pump provides water certain initial velocity, the transition through vortex device alright for the running water carries out the speed-up operation of certain degree, and the running water that is located the vortex device bottom is when contacting the user pipeline, the striking of a back ripples running water can be received all the time to remaining former ripples running water, thereby carry out energy utilization.
3. According to the direct-superposed secondary water supply equipment, a plurality of filaments are arranged on the inner wall of the vortex device, and the length of each filament is slightly larger than the depth of the vortex groove in the vortex device, so that tap water beams can be continuously impacted and filtered when passing through the vortex groove, and the effect of purifying tap water can be achieved to a certain extent.
4. The direct-laminated secondary water supply equipment has the advantages that the inclined bags arranged at the two ends of the inner cavity of the water storage tank have inclined angles on the surfaces, the function of gathering tap water can be realized in the water tank, the tap water can be pumped away from a pipeline arranged in the middle, the rough surfaces can absorb impurities in a still water state, a certain filtering function can be realized in a flowing state, the impurities are kept on the surfaces of the inclined bags, the inclined bags with certain flexibility on the surfaces can be flattened due to the pressure relation when the tap water in the water tank is less and less, the pressure in the water tank can be balanced by the air in the inclined bags, the inclined bags can generate rhinoceros when the water tank is filled with water again, the impurities on the surfaces are sucked into the inclined bags for centralized treatment, and a certain number of replacement holes formed in the surfaces of the inclined bags are plugged by polymer film sheets, when the oblique bag is compressed, the polymer film sheet expands outwards and opens, and when the oblique bag sucks air, the polymer film sheet expands towards the inner cavity of the oblique bag to perform air suction operation.
Drawings
FIG. 1 is a schematic view of a manufacturing apparatus according to the present invention;
FIG. 2 is a schematic view of the water storage tank of the present invention;
FIG. 3 is a cross-sectional view of a transition bucket according to the present invention;
FIG. 4 is a schematic view of the butt-joint pipe structure of the present invention;
FIG. 5 is a top view of the oblique bladder of the present invention;
FIG. 6 is a top view of the transition bucket of the present invention;
FIG. 7 is a partial cross-sectional view of the transition bucket of the present invention;
fig. 8 is a schematic view of the structure of the slide of the present invention.
In the figure: the device comprises a step seat 1, an inclined bag 101, a displacement hole 102, a sealing film 103, a slideway 104, a slide block 105, a water storage tank 2, a water delivery pump 3, a pressure-superposed device 4, a transition barrel 401, a 4011 water inlet, a 4012 water outlet, a 4013 butt joint pipe, a 4014 dismounting spring, a 402 compensation cavity, a 403 vortex groove and a 404 filter wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a direct pressure-superposed type secondary water supply equipment, includes step seat 1, storage water tank 2, water delivery pump 3 and pressure-superposed device 4, and storage water tank 2 sets up the left side at step seat 1 top, and water delivery pump 3 installs at the middle part at step seat 1 top, pressure-superposed device 4 sets up the right side at step seat 1 top.
The pressure-superposed device 4 comprises a transition barrel 401, a compensation cavity 402 and an eddy current groove 403, wherein the compensation cavity 402 is a conical cavity, the transition barrel 401 is installed at the top of the stepped seat 1, the compensation cavity 402 is arranged in the transition barrel 401, the eddy current groove 403 is arranged on the inner wall of the compensation cavity 402, a plurality of filter wires 404 are fixedly connected on the inner wall of the eddy current groove 403, the filter wires are irregularly distributed in a staggered manner, the top of the eddy current groove 403 is superposed with the tip part of the compensation cavity 402, so that water flow entering the inner cavity 403 of the transition barrel 401 from the water inlet pipe 4011 can completely rotate along the inner cavity of the eddy current groove 403, and tap water is not generated in the inner cavity of the eddy current groove.
In this embodiment, firstly, a conical compensation cavity 402 is adopted, and is matched with the top of the vortex groove 403, so that the top of the vortex groove 403 just accommodates the accumulated tap water at the top of the compensation cavity 402, which can ensure that the tap water entering the compensation cavity 402 can just flow along the vortex groove 403, and the tap water column entering the vortex groove 403 has certain kinetic energy, so that when flowing and rotating along the inner cavity of the vortex groove 403, the tap water can be ensured to flow along the inner cavity of the vortex groove 403 by using centrifugal force, and after flowing for a while, the kinetic energy of the tap water reaching the bottom of the vortex groove 403 is increased, thereby increasing the flow rate of the tap water entering the tap water pipeline of a user, namely, changing the phase of the tap water to be the tap water for pressurization operation.
Wherein, as shown in fig. 3, water inlet 4011 has been seted up at the left top of transition bucket 401, delivery port 4012 has been seted up to the left bottom of transition bucket 401, water inlet 4011's right-hand member is linked together with the top of vortex groove 403, delivery port 4012's left side communicates with the bottom of vortex groove 403, water inlet 4011 is the convex mouth, water inlet 4011's inner chamber through connection has butt joint pipe 4013, butt joint pipe 4013's right-hand member fixedly connected with dismouting spring 4014, the other end of dismouting spring 4014 is direct and water inlet 4011's inner wall fixed connection, slide 104 has been seted up on the right side at step seat 1 top, the inner chamber activity joint of slide 104 has slider 105, slider 105's top and transition bucket 401's bottom fixed connection, slide 105 is the human font.
In this embodiment, the water inlet 4011 and the water outlet 4012 are mainly for allowing tap water to flow in and out, wherein a pipe of the water pump is directly inserted into the butt joint pipe 4013, and then the pipe is connected and fixed by the clamp, when the pipe needs to be detached, the clamp is directly removed, and then the transition barrel 401 is pushed to the left side, the slider 105 at the bottom of the transition barrel 401 firstly drives the transition barrel 401 to slide towards the water storage tank 2, when the transition barrel 401 slides, one end of the water outlet 4012 is gradually separated from the water pipe of the user, in this process, the detaching spring 4014 is also compressed to generate a certain telescopic space, and finally the transition barrel 401 is pushed again, when the slider 105 moves to the position of the fork of the slide way 104, a certain pushing force is applied from the side again, the transition barrel 401 and the slider 105 move from the position of the fork, so that the water outlet 4012 can be prevented from being butted with the water pipe of the user again, mainly for the convenience of replacing and maintaining the transition barrel 401, the water pipeline is directly inserted into the water outlet 4012 with the sealing rubber ring, so that water is prevented from flowing out, and the sealing rubber ring has a certain fixing effect on the water pipeline; in another scheme, under the same purpose, with water pipeling and delivery port 4012 also can be interference fit, wherein dismouting spring 4014 not only can move for transition bucket 401 and provide certain compression space, when transition bucket 401 moved the fork position of slide 104, can also play certain bending deformation effect, avoid taking place the emergence of the broken problem of pipeline.
Wherein, oblique bag 101 is all installed to the both sides of 1 inner chamber bottom of storage water tank, and a plurality of replacement hole 102 has been seted up at the top of oblique bag 101, and the opening part fixedly connected with sealing film 103 in replacement hole 102, sealing film 103 are the design of multilobe formula, only just can the alternate segregation open on its surface receiving the effect of certain power.
In this embodiment, the surface of the inclined bag 101 has an inclined angle, so that the inclined bag can gather tap water in the water storage tank 1 to ensure that the tap water can be pumped out from a pipeline arranged in the middle; secondly, the rough surface can absorb some impurities in a still water state, and can play a certain role in filtering in a flowing state to retain the impurities on the surface, when the tap water in the water storage tank 1 is less and less, the inclined bag 101 with certain flexibility on the surface is crushed due to the pressure relation, the air in the water storage tank 1 can balance the pressure in the water storage tank 1, when the water storage tank 1 is filled with water again, suction force can be generated, impurities on the surface are sucked into the water storage tank for centralized treatment, here, a certain number of displacement holes 102 are formed in the surface of the oblique bag 101, and are sealed by a sealing film 103, specifically, a polymer film sheet is used for sealing, when the oblique bag 101 is compressed, the polymer film sheet expands outwards and opens, when the air is sucked into the oblique bag 101, the oblique bag 101 expands to the inner cavity of the oblique bag 101 for air suction operation.
Wherein, the left side of the water delivery pump 3 is communicated with the water storage tank 2 through a pipeline, and the right side of the water delivery pump 3 is communicated with the water inlet 4011 through a pipeline.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a direct pressure-superposed secondary water supply equipment, includes step seat (1), storage water tank (2), water delivery pump (3) and pressure-superposed device (4), its characterized in that: storage water tank (2) set up the left side at step seat (1) top, and install the middle part at step seat (1) top in water delivery pump (3), fold and press device (4) to set up the right side at step seat (1) top, fold and press device (4) including transition bucket (401), compensation chamber (402) and vortex groove (403), the top at step seat (1) is installed in transition bucket (401), the inside at transition bucket (401) is seted up in compensation chamber (402), vortex groove (403) are seted up on the inner wall of compensation chamber (402).
2. A direct-pressure-superposed secondary water supply facility according to claim 1, wherein: slide (104) have been seted up on the right side at step seat (1) top, and the inner chamber activity joint of slide (104) has slider (105), and the top of slider (105) and the bottom fixed connection of transition bucket (401), slide (105) are herringbone.
3. A direct-pressure-superposed secondary water supply facility according to claim 1 or 2, wherein: the compensation chamber (402) is a conical chamber, a water inlet (4011) is formed in the top of the left side of the transition barrel (401), and a water outlet (4012) is formed in the bottom of the right side of the transition barrel (401).
4. A direct-pressure-superposed secondary water supply facility according to claim 3, wherein: the right-hand member of water inlet (4011) is linked together with the top of vortex groove (403), and the left side of delivery port (4012) is linked together with the bottom of vortex groove (403), and water inlet (4011) is the convex mouth, and the inner chamber through connection of water inlet (4011) has butt joint pipe (4013), and the right-hand member fixedly connected with dismouting spring (4014) of butt joint pipe (4013).
5. A direct-pressure-superposed secondary water supply facility according to claim 1, 2 or 4, wherein: oblique bags (101) are installed on two sides of the bottom of an inner cavity of the water storage tank (1), a plurality of replacement holes (102) are formed in the top of each oblique bag (101), and sealing films (103) are fixedly connected to openings of the replacement holes (102).
6. A direct-pressure-superposed secondary water supply facility according to claim 3, wherein: oblique bags (101) are installed on two sides of the bottom of an inner cavity of the water storage tank (1), a plurality of replacement holes (102) are formed in the top of each oblique bag (101), and sealing films (103) are fixedly connected to openings of the replacement holes (102).
7. A direct-pressure-superposed secondary water supply facility according to claim 1, 2, 4 or 6, wherein: the left side of the water delivery pump (3) is communicated with the water storage tank (2) through a pipeline, and the right side of the water delivery pump (3) is communicated with the water inlet (4011) through a pipeline.
8. A direct-pressure-superposed secondary water supply facility according to claim 1, 2, 4 or 6, wherein: the inner wall of the vortex groove (403) is fixedly connected with a plurality of filter wires (404) which are irregularly distributed in a staggered manner, and the top of the vortex groove (403) is superposed with the tip part of the compensation cavity (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110819371.2A CN113502878A (en) | 2021-07-20 | 2021-07-20 | Direct pressure-superposed secondary water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110819371.2A CN113502878A (en) | 2021-07-20 | 2021-07-20 | Direct pressure-superposed secondary water supply equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113502878A true CN113502878A (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110819371.2A Pending CN113502878A (en) | 2021-07-20 | 2021-07-20 | Direct pressure-superposed secondary water supply equipment |
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| CN (1) | CN113502878A (en) |
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| CN207878547U (en) * | 2018-01-24 | 2018-09-18 | 中山威良机电有限公司 | A kind of household water supercharging stable-pressure device |
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| CN209798899U (en) * | 2019-03-27 | 2019-12-17 | 日照源立泵业有限公司 | Non-negative pressure-superposed steady-flow water supply equipment convenient for installing water pipe |
| CN209837253U (en) * | 2019-03-04 | 2019-12-24 | 中建八局第一建设有限公司 | Ladder subsides formula balcony ponding and gets rid of structure |
| CN112064720A (en) * | 2020-10-13 | 2020-12-11 | 广州优易机械科技有限公司 | Water supply energy-saving equipment |
| CN112922095A (en) * | 2021-01-29 | 2021-06-08 | 重庆昕晟环保科技有限公司 | Environment-friendly high-rise building constant pressure type secondary water supply device |
| CN112984214A (en) * | 2021-02-05 | 2021-06-18 | 新疆国统管道股份有限公司 | Large-diameter PCCP (prestressed concrete cylinder pipe) water pipeline closure section framework and pipe distribution installation method |
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2021
- 2021-07-20 CN CN202110819371.2A patent/CN113502878A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004238825A (en) * | 2003-02-04 | 2004-08-26 | Yamadai Kiden Kk | Water supply system in water works |
| CN203034535U (en) * | 2012-12-17 | 2013-07-03 | 瑞福莱暖通设备（上海）有限公司 | Potable water pressure expansion tank with water running structure |
| CN207878547U (en) * | 2018-01-24 | 2018-09-18 | 中山威良机电有限公司 | A kind of household water supercharging stable-pressure device |
| CN208685706U (en) * | 2018-08-22 | 2019-04-02 | 湖南华振供水设备有限公司 | A kind of no negative pressure pipe network pressurizing current stabilization supply equipment |
| CN209837253U (en) * | 2019-03-04 | 2019-12-24 | 中建八局第一建设有限公司 | Ladder subsides formula balcony ponding and gets rid of structure |
| CN209798899U (en) * | 2019-03-27 | 2019-12-17 | 日照源立泵业有限公司 | Non-negative pressure-superposed steady-flow water supply equipment convenient for installing water pipe |
| CN110158706A (en) * | 2019-04-19 | 2019-08-23 | 浙江双林环境股份有限公司 | A kind of auxiliary device and its method for the installation of rural potable water water tank |
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| CN112922095A (en) * | 2021-01-29 | 2021-06-08 | 重庆昕晟环保科技有限公司 | Environment-friendly high-rise building constant pressure type secondary water supply device |
| CN112984214A (en) * | 2021-02-05 | 2021-06-18 | 新疆国统管道股份有限公司 | Large-diameter PCCP (prestressed concrete cylinder pipe) water pipeline closure section framework and pipe distribution installation method |
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Application publication date: 20211015 |