CN109539524B - Water distributor - Google Patents
Water distributor Download PDFInfo
- Publication number
- CN109539524B CN109539524B CN201811641607.2A CN201811641607A CN109539524B CN 109539524 B CN109539524 B CN 109539524B CN 201811641607 A CN201811641607 A CN 201811641607A CN 109539524 B CN109539524 B CN 109539524B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 268
- 238000009826 distribution Methods 0.000 claims abstract description 86
- 238000005452 bending Methods 0.000 claims description 23
- 230000008859 change Effects 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 239000012530 fluid Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Pipe Accessories (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention discloses a water distributor, which comprises a water distribution pipe, wherein one end of the water distribution pipe is connected with a main water pipe, the other end of the water distribution pipe is provided with a water distribution elbow, the bottom of the water distribution elbow is provided with a flared gradually-widened cap, and a scattering baffle is fixed at a set distance below the water distribution elbow. The water distributor provided by the invention effectively improves the uniformity of water distribution and ensures the water distribution effect.
Description
Technical Field
The invention relates to the technical field of water temperature natural layering type water energy storage devices, in particular to a water distributor.
Background
The water cold storage technology is an effective way for solving the problems of capacity increase and peak and valley shift of a building air conditioning system, and has the advantages of low cost, stable operation, convenient maintenance and the like by utilizing the sensible heat of water to store energy. The natural stratification of water temperature is the natural stratification of water in the direction of gravity due to the density differences of water at different temperatures. In the natural layered water storage tank, cold water is gathered at the lower part of the water storage tank, hot water is gathered at the upper part of the water storage tank to form natural layering of cold water and hot water, and in order to lead water into the tank or lead out the water in the tank stably by gravity flow or piston leveling, a proper water distribution device is arranged at a cold water inlet and outlet so as to ensure that water flow is evenly distributed in the water tank.
The rotation and arrangement of the water distribution device in the water storage tank directly influence the operation efficiency of the energy storage system. In order to ensure uniform water distribution, the water distributors are uniformly distributed in the water tank as much as possible, and branch pipes of the water distributors passing through the water tank can be arranged according to branches according to the shape of the water tank. When the bottom area of the water tank is large, the water distribution branch pipes of the through tank are arranged in multiple layers, and the water flow on the section of the water tank is kept uniform as far as possible.
In order to ensure the water distribution effect, higher water distribution density is usually required, namely, the interval between water distributors is required to be as small as possible, and the interval between the water distributors is required to be kept consistent, so that most of water distribution heads are connected with a water distribution pipe network through elbows, the distances between the elbows and openings of the water distribution heads are usually very short, the water flow imbalance phenomenon at the inner side and the outer side of the elbows, the water flow speed at the outer side of the elbows is higher, the water flow speed from the elbows to the inner side is lower, and the generated water flow imbalance phenomenon seriously affects the water inlet and outlet uniform distribution and the water distribution effect of the water distribution heads.
Disclosure of Invention
The invention aims to provide a water distributor, which effectively improves the uniformity of water distribution and ensures the water distribution effect.
The technical scheme adopted by the water distributor disclosed by the invention is as follows:
a water distributor comprises a water distribution pipe, one end of the water distribution pipe is connected with a main water pipe, the other end of the water distribution pipe is provided with a water distribution elbow, the bottom of the water distribution elbow is provided with a flared gradually-widening cap, and a scattering baffle is fixed at a set distance below the water distribution elbow.
As a preferable scheme, the flow dispersing baffle is fixed with a water diversion body, the head of the water diversion body is positioned in the gradually widened cap, and the flow of water flowing through the water diversion body after being split is the same along each direction of the water diversion body.
Preferably, the water separator is located at the center of the flow distributing baffle.
Preferably, the widening cap comprises an inner bending part with a first curvature connected with the inner side of the water distribution elbow and an outer bending part with a first curvature connected with the outer side of the water distribution elbow, wherein the curvature change of the inner bending part is large, and the curvature change of the outer bending part is small.
Preferably, the outer surface of the water diversion body is a curved surface, the water diversion body comprises a third curved surface with a third curvature, which is close to the inner bending part, a fourth curved surface with a fourth curvature, which is close to the outer bending part, and the fourth curvature of the fourth curved surface has smaller change and the third curvature of the third curved surface has larger change.
Preferably, the top surface of the flow dispersing baffle is an arc surface or a plane.
As a preferable scheme, the bottom surface of the gradual widening cap and the flow dispersing baffle are connected through a plurality of supporting pieces, and the whole supporting pieces are respectively and fixedly connected with the bottom surface of the gradual widening cap and the top surface of the flow dispersing baffle.
As a preferable scheme, the water distribution elbow and the widening cap are integrally formed.
Preferably, the plurality of supporting pieces are distributed on the edge of the dispersion baffle.
As a preferable scheme, the supporting piece comprises a plurality of columns, and two ends of the main body are respectively and fixedly connected with the bottom surface of the widening cap and the top surface of the flow dispersing baffle.
The water distributor disclosed by the invention has the beneficial effects that: the water flow flows from the main water pipe to the water distribution pipe, after passing through the water distribution elbow, the water flow direction is changed, meanwhile, the water flow at the inner side and the outer side of the water distribution elbow is easy to generate unbalance, the water flow speed at the outer side (the inner wall of the water distribution elbow) of the water distribution elbow is higher, the water flow speed at the inner side (the inner side) of the water distribution elbow is lower, and the water flow is easy to generate turbulence. Through setting up the gradual widening cap that is loudspeaker form in water distribution elbow bottom, according to the coanda effect and the hydrodynamic principle of fluid, the rivers that come out from the water distribution elbow can flow along gradual widening cap, and gradual widening cap not only can reduce the flow resistance to make rivers resume evenly again, reduce the impact force to the diffusion baffle. And finally, uniformly flowing out to the periphery through a gap between the flow dispersing baffle and the gradually widened cap. The same applies when cooling, the water flows in through the gap between the widening cap and the flow dispersing baffle, and the water flow is more stable through the guidance of the widening cap and then enters the main water pipe through the water distribution elbow. The water distribution uniformity of the water distributor is effectively improved, and the water distribution effect is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of a water distributor according to the present invention;
FIG. 2 is a front view of the water distributor of the present invention;
FIG. 3 is a top view of the water distributor of the present invention.
Fig. 4 is a front view of another embodiment of the water distributor of the present invention.
Detailed Description
The invention is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:
Referring to fig. 1-3, a water distributor comprises a water distribution pipe 11 and a water distribution elbow 12, wherein one end of the water distribution pipe 11 is connected with a main water pipe, the water distribution pipe is provided with the water distribution elbow 12, and the bottom of the water distribution elbow 12 is provided with a flared cap 13. A flow dispersing baffle 14 is fixed at a set distance below the water distribution elbow 12. The widening cap 13 comprises an inner bending part 131 with a first curvature R1 connected with the inner side of the water distribution elbow and an outer bending part 132 with a first curvature R2 connected with the outer side of the water distribution elbow, wherein the curvature change of the inner bending part 131 is large, and the curvature change of the outer bending part 132 is small. Through setting up the gradual-widening cap 13, utilize the coanda effect and the hydrodynamic principle of fluid, effectively reduce the flow resistance of rivers to make rivers pass through the interior portion 131 and the outer portion 132 of bending of gradual-widening cap 13, effectively offset the disorder that the rivers produced through water distribution elbow 12, make rivers remain stable. The water distribution elbow 12 and the widening cap 13 are integrally formed, so that the inner sides of the water distribution elbow 12 and the widening cap 13 are kept smooth, and the flow resistance to water flow is reduced.
The diffuser baffle 14 is fixed with a water separator 15 on the surface of the gradually widening cap 13. The outer surface of the water diversion body is a curved surface, the water diversion body 15 comprises a third curved surface 151 with a third curvature R3 near the inner bending part 131, a fourth curved surface 152 with a fourth curvature R4 near the outer bending part 132, the fourth curvature R4 of the fourth curved surface 152 has smaller change, and the third curvature R3 of the third curved surface 151 has larger change. And the bottom of the water diversion body 15 and the flow distributing baffle 14 are in transition through smooth curves, the bottom of the water diversion body 15 comprises a fifth curved surface 153 with a fifth curvature near the inner bending part 131, and a sixth curved surface 154 with a sixth curvature R6 near the outer bending part 132. The impact on the diffuser baffle 14 can be reduced by the diversion of the water flow by the fifth curved surface 153 and the sixth curved surface 154.
The water diversion body 15 is located at the center of the diffuser baffle 14. Because the water flow is extruded when passing through the water distribution elbow 12, the turbulence of the water flow is easy to generate, the water flow is guided through the water diversion body 15, so that the water flow is restored to be stable, the position of the tip of the water diversion body 15 is obtained through the data simulation of software, the flow of the water flow in all directions is the same through the water diversion body 15, and the uniformity of water distribution is improved. That is, the water flows through the water separator 15, and then the flow rates of the water flows in the respective directions are the same.
The frictional resistance of the inner arcuate surface of the widening cap 13 and the outer surface of the water dividing body 15 causes a pressure difference between both sides of the water flow. The existence of the pressure difference causes the water flow to generate a coanda layer close to the inner side arc surface of the widening cap 13 and the outer side arc surface of the water splitting body 15, and the pressure of the water flow attached to the coanda surface side is smaller than that of the other side, so that the solid water flow deflects to the low pressure side under the action of the pressure difference, and a stable coanda flow state is achieved. The principle is as follows.
When the water flow contacts the inner arc surface of the widening cap 13 and the outer arc surface of the water splitting body 15, viscous resistance on the inner arc surface of the widening cap 13 and the outer arc surface of the water splitting body 15 causes the water flow to be decelerated, the pressure of the water flow on the inner arc surface of the widening cap 13 and the outer arc surface of the water splitting body 15 is ps, and ps is less than the pressure p infinity of the surrounding water flow, thereby causing the water flow to flow attached on the inner arc surface of the widening cap 13 and the outer arc surface of the water splitting body 15. However, the water flows have viscosity, the viscosity between the water flows can cause the flow velocity of the water flows to be reduced, the pressure of the water flows acting on the wall surface can be gradually reduced along with the reduction of the flow velocity, and when ps=p infinity, the water flows can be separated from the inner arc surface of the widening cap 13 and the outer arc surface of the water diversion body 15.
In the flowing process of the water flow, the change of the pressure gradient of the water flow in the flowing direction can obviously influence the flowing state of the coanda layer. The positive pressure gradient is favorable for water flow wall attachment, and the falling phenomenon is not easy to occur. Due to the viscous drag of the attached wall, the attached water flow generates a larger pressure gradient in the boundary layer, according to the internal friction law, the pressure of the attached water flow is increased and the speed is reduced when the water flow flows, part of the kinetic energy of the water flow is consumed, the flow speed of the attached wall water flow is reduced, and the kinetic energy of the water flow in the attached wall layer is gradually reduced. When the kinetic energy of the water flow is reduced to zero, the water flow close to the coanda surface is stagnant and flows back, and the coanda layer is separated from the coanda surface.
The curvature of the inner arc surface of the widening cap 13 and the outer arc surface of the water diversion body 15 are key to forming the coanda effect, and the curvature of the inner arc surface of the widening cap 13 and the outer arc surface of the water diversion body 15 directly affect the pressure gradient and the pressure loss when the coanda effect occurs to the water flow. During the flow of water, the pressure gradient affects the critical reynolds number, and even a small pressure gradient in the flow direction changes the flow of the whole coanda flow. The positive pressure gradient is beneficial to the fluid coanda, the flow change is not easy to occur, the reverse pressure gradient is not beneficial to the fluid coanda, the flow change is easy to occur, and the coanda fluid is caused to be separated from the coanda layer.
The surface of objects of different curvatures has a great influence on the coanda effect. Therefore, the invention sets the curvature of the divergent cap 13 and the water diversion body 15, namely the first curvature R1, the second curvature R2, the third curvature R3, the fourth curvature R4, the fifth curvature R5 and the sixth curvature R6, and the position of the water diversion body 15, wherein the position of the water diversion body 15 is determined by the distances A and B between the head of the water diversion body 15 and the center of the end part of the water distribution elbow 12, A is the horizontal distance between the head of the water diversion body 15 and the center of the end part of the water distribution elbow 12, B is the vertical distance between the head of the water diversion body 15 and the center of the end part of the water distribution elbow 12, and the water diversion body 15 ensures that the flow of the fluid along the periphery of the divergent cap 13 and the water diversion body 15 is kept uniform. The impact force to the lower plate can be reduced through the water diversion body 15, the flow resistance is reduced, the direction of water flow is changed and diffused to the periphery by utilizing the divergent cap 13 and the water diversion body 15, and meanwhile, the water flow is balanced to offset the flow imbalance caused by the water distribution elbow 12.
The curvature R3 of the water diversion body 15 is larger, the curvature R4 is smaller, the flow speed of the wall-attached layer of the water flow can be gradually enlarged to gradually become smaller, and finally the water can flow from the wall surface to the bottom surface and around the water diversion body 15.
The bottom surface of the widening cap 13 and the diffuser plate 14 are connected by a plurality of supporting members 16, and the whole supporting members 16 are fixedly connected with the bottom surface of the widening cap 13 and the top surface of the diffuser plate 14, respectively. A plurality of support members 16 are distributed over the edges of the diffuser baffle 14. The supporting member 16 comprises a plurality of columns, and two ends of the main body are fixedly connected with the bottom surface of the widening cap 13 and the top surface of the flow dispersing baffle 14 respectively. The columns are uniformly distributed between the bottom surface of the widening cap 13 and the top surface of the diffusing baffle 14. The columns are cylindrical columns or prismatic columns. The support piece 16 separates the gradually widened cap 13 and the flow dispersing baffle 14, so that water flows are distributed in different directions, meanwhile, the support piece 16 is cylindrical or prismatic, flow resistance can be effectively reduced, cylindrical turbulence is generated by water, water flow is further evenly distributed, and water distribution effect is improved.
Referring to fig. 4, in another embodiment, the top of the flow-dispersing baffle 14 is an arc surface, so that the water flow is buffered by the design of the arc surface, and the flow-dispersing baffle 14 with the arc surface plays a role in guiding flow by the coanda effect, so that the water distribution is more uniform, and the water distribution effect is improved.
In the above scheme, the water flows from the main water pipe to the water distribution pipe 11, after passing through the water distribution elbow 12, the water flow direction is changed, meanwhile, the water flows at the inner side and the outer side of the water distribution elbow 12 are easy to generate unbalance, the water flow speed at the outer side (the inner wall of the water distribution elbow) of the water distribution elbow 12 is higher, the water flow speed at the outer side (the inner wall of the water distribution elbow) of the water distribution elbow 12 is lower, and the water flow is easy to generate turbulence. By arranging the flared gradually-widened cap 13 at the bottom of the water distribution elbow 12, water flow coming out of the water distribution elbow 12 flows along the gradually-widened cap 13 and the water diversion body 15 according to the coanda effect and the hydrodynamic principle of fluid, and the gradually-widened cap 13 and the water diversion body 15 not only can reduce flow resistance, but also can restore the water flow to be uniform again. And then the water is split through the water splitting body 15, so that the water flows uniformly flow out to the periphery through the gaps between the dispersing baffle 14 and the gradually widened cap 13, the flow of the water distributor in all directions is kept uniform, the water distribution is more uniform, and the water distribution effect is improved. The same is true when cooling, the water flows in through the gap between the widening cap 13 and the flow dispersing baffle 14, and the water flow is more stable through the guidance of the widening cap 13 and the water diversion body 15 and then enters the main water pipe 11 through the water distribution elbow 12. The water distribution uniformity of the water distributor is effectively improved, and the water distribution effect is ensured.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The water distributor comprises a water distribution pipe, and is characterized in that one end of the water distribution pipe is connected with a main water pipe, the other end of the water distribution pipe is provided with a water distribution elbow, the bottom of the water distribution elbow is provided with a flared gradually-widened cap, a scattering baffle is fixed at a set distance below the water distribution elbow, a water diversion body is fixed on the scattering baffle, the head of the water diversion body is positioned in the gradually-widened cap, and the water diversion body is positioned at the center of the scattering baffle;
The horizontal distance between the head of the water separator 15 and the center of the end part of the water distribution elbow 12 is A;
The gradual widening cap comprises an inner bending part with a first curvature, which is connected with the inner side of the water distribution elbow, and an outer bending part with a first curvature, which is connected with the outer side of the water distribution elbow, wherein the curvature change of the inner bending part is large, the curvature change of the outer bending part is small, and the flow of water flowing through the water diversion body in all directions of the water diversion body after being split is the same;
The water diversion body comprises a third curved surface with a third curvature, which is close to the inner bending part, a fourth curved surface with a fourth curvature, which is close to the outer bending part, the fourth curvature of the fourth curved surface is smaller in change, the third curvature of the third curved surface is larger in change, the bottom of the water diversion body and the flow dispersing baffle are in smooth curve transition, the bottom of the water diversion body comprises a fifth curved surface with a fifth curvature, which is close to the inner bending part, and a sixth curved surface with a sixth curvature, which is close to the outer bending part.
2. The water distributor according to claim 1, wherein the top surface of the dispersion baffle is an arc surface or a plane.
3. The water distributor according to any one of claims 1 or 2, wherein the bottom surface of the widening cap and the diffuser plate are connected by a plurality of supporting members, and the whole supporting members are fixedly connected with the bottom surface of the widening cap and the top surface of the diffuser plate, respectively.
4. A water distributor according to claim 3, wherein the distribution elbow and the widening cap are integrally formed.
5. A water distributor according to claim 3, wherein the plurality of support members are distributed at the edge of the diffuser plate.
6. A water distributor according to claim 3, wherein the support member comprises a plurality of columns, and two ends of the main body are fixedly connected with the bottom surface of the widening cap and the top surface of the flow dispersing baffle respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641607.2A CN109539524B (en) | 2018-12-29 | 2018-12-29 | Water distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641607.2A CN109539524B (en) | 2018-12-29 | 2018-12-29 | Water distributor |
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| Publication Number | Publication Date |
|---|---|
| CN109539524A CN109539524A (en) | 2019-03-29 |
| CN109539524B true CN109539524B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811641607.2A Active CN109539524B (en) | 2018-12-29 | 2018-12-29 | Water distributor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112402635A (en) * | 2020-11-30 | 2021-02-26 | 四川科伦药业股份有限公司 | Water bath sterilization equipment capable of remarkably improving medicine sterilization effect |
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| CN202315466U (en) * | 2011-11-16 | 2012-07-11 | 北京博汇特环保科技有限公司 | Annular space type water distributor of filter |
| CN105003289A (en) * | 2015-08-12 | 2015-10-28 | 山西煤炭进出口集团科技发展有限公司 | Diffusion tower for mine air return and heat exchange |
| RU2653462C1 (en) * | 2017-07-07 | 2018-05-08 | Олег Савельевич Кочетов | Heat recovery unit with boiling bed |
| CN207435063U (en) * | 2017-10-17 | 2018-06-01 | 广东一顺节能科技有限公司 | A kind of water distributor |
| CN108591130A (en) * | 2018-07-09 | 2018-09-28 | 江苏省水利工程科技咨询股份有限公司 | A kind of horn-like vibration-proof structure of groove type and its method based on raising hydraulic stability |
| CN208205888U (en) * | 2018-04-27 | 2018-12-07 | 青岛达能环保设备股份有限公司 | Thermal power plant's depth peak regulation flexibility hold over system accumulation of heat water pot water-distributing device |
| CN209689143U (en) * | 2018-12-29 | 2019-11-26 | 深圳市海吉源科技有限公司 | Water distributor |
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2018
- 2018-12-29 CN CN201811641607.2A patent/CN109539524B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202315466U (en) * | 2011-11-16 | 2012-07-11 | 北京博汇特环保科技有限公司 | Annular space type water distributor of filter |
| CN105003289A (en) * | 2015-08-12 | 2015-10-28 | 山西煤炭进出口集团科技发展有限公司 | Diffusion tower for mine air return and heat exchange |
| RU2653462C1 (en) * | 2017-07-07 | 2018-05-08 | Олег Савельевич Кочетов | Heat recovery unit with boiling bed |
| CN207435063U (en) * | 2017-10-17 | 2018-06-01 | 广东一顺节能科技有限公司 | A kind of water distributor |
| CN208205888U (en) * | 2018-04-27 | 2018-12-07 | 青岛达能环保设备股份有限公司 | Thermal power plant's depth peak regulation flexibility hold over system accumulation of heat water pot water-distributing device |
| CN108591130A (en) * | 2018-07-09 | 2018-09-28 | 江苏省水利工程科技咨询股份有限公司 | A kind of horn-like vibration-proof structure of groove type and its method based on raising hydraulic stability |
| CN209689143U (en) * | 2018-12-29 | 2019-11-26 | 深圳市海吉源科技有限公司 | Water distributor |
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| CN109539524A (en) | 2019-03-29 |
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