CN105157138A - Flow buffering device in chilled water storage system - Google Patents
Flow buffering device in chilled water storage system Download PDFInfo
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- CN105157138A CN105157138A CN201510351541.3A CN201510351541A CN105157138A CN 105157138 A CN105157138 A CN 105157138A CN 201510351541 A CN201510351541 A CN 201510351541A CN 105157138 A CN105157138 A CN 105157138A
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- Prior art keywords
- plate
- flow tube
- unhurried current
- flow buffering
- slow flow
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- 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
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- 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
-
- 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
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- 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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a flow buffering device in a chilled water storage system and belongs to the field of energy storage. The chilled water storage system comprises a cold accumulation pool. The flow buffering device comprises an upper guide plate and a lower guide plate, wherein a plurality of flow buffering pipes are arranged between the upper guide plate and the lower guide plate, the upper end of each flow buffering pipe is fixedly connected to one side of the upper guide plate, and the lower end of each flow buffering pipe is fixedly connected to one side of the lower guide plate; the flow buffering pipes penetrate through the upper guide plate and the lower guide plate, a flow buffering mechanism is arranged in the lower end of each flow buffering pipe and comprises a cylindrical flow buffering plate, the size of each flow buffering plate is matched with the inner diameter of the corresponding flow buffering pipe, and each flow buffering plate is located in the corresponding flow buffering pipe; the outer wall of each flow buffering plate is tightly attached to the inner wall of the corresponding flow buffering pipe, a spring is fixedly connected to one side of each flow buffering plate, and the other end of each spring is fixedly connected to the inner wall of the corresponding flow buffering pipe; an annular groove is also formed in the inner wall of each flow buffering pipe, and each flow buffering pipe is through when the corresponding flow buffering plate moves downwards. By the adoption of the flow buffering device, water flow can be uniform and stable and flow into the cold accumulation pool slowly.
Description
Technical field
The invention belongs to accumulation of energy field, relate to the flow slowing device in a kind of chilled water storage system.
Background technology
Water cold storage technology utilizes electricity price between peak and valley, is stored in water at low ebb rate period by cold, and the peak of power consumption period uses the cryogenic freezing water extraction stored cold for idle call by day.When air-conditioning service time and non-air-conditioning service time and electrical network peak and low ebb synchronous time, use when just the idle call electricity in electrical network rush hour can be transferred to electrical network low ebb, reach the object of power cost saving.The most ripe and the effective cold-storage mode of current use is natural layering.
Natural layering and thermal stratification, thermal stratification type water cold storage utilizes water density when different temperatures this physical characteristic different, relies between density official post warm water and cold water and keep separating, and avoids cold water and warm water mixing to cause loss of refrigeration capacity.
The density of water about 4 DEG C time is maximum, and along with the high-density of water temperature reduces gradually, utilize this physical characteristic of water, the water making temperature low is stored in the bottom in pond, and the high water level of temperature is in the top being stored in pond.Design good thermal stratification type water cold storage pond and form a caloic switching layer between warm water district, top and cold water area, bottom.One stable and thickness is little caloic switching layer improves the key of cold-storage efficiency.
In order in cistern vertical direction cross section on, current are made to flow equably on whole section reposefully with gravity current or piston flow and import reposefully in pond (or drawing by pond), formed between warm water district, top and cold water area, bottom and keep effective, thickness is a little as far as possible caloic switching layer, key is that the top and the bottom in cistern arrange identical sprinkler, to guarantee that current meet Fo Lei get (Frande) coefficient when entering cistern, make uniform fluid flow distribute and disturbance minimally enters cold accumulating pond.The design and construction of sprinkler is the key technology of thermal stratification type water cold storage, and we are called usually, the water distribution technology of water cold storage.
Water distribution technology is also known as steady flow, existing flow straightener generally enters cold accumulating pond by what install that check valve or some buffer gears with pooling feature make uniform fluid flow, although current flow straightener decreases the impulsive force of current, but current maldistribution, still have upset to a certain degree, make thermoclinic length become large, cold consumption is aggravated.
Summary of the invention
The object of the invention is for the above-mentioned problems in the prior art, provide the flow slowing device in a kind of chilled water storage system, flow slowing device in this chilled water storage system can realize uniform fluid flow is stablized, flow velocity enters in cold accumulating pond slowly, solve the flow slowing device current maldistribution in existing water cold storage, mesolimnion can be upset and cause the problems such as cold consumption.
Object of the present invention realizes by following technical proposal: the flow slowing device in a kind of chilled water storage system, it is characterized in that: described chilled water storage system comprises cylindrical circular cold accumulating pond, described cold accumulating pond outer wall is enclosed with one layer of heat preservation layer, in described cold accumulating pond, there is refrigerator pipes, hot water layer is divided into from top to bottom by water temperature in described cold accumulating pond, mesolimnion and cold water layer, described flow slowing device is positioned at the top place of described cold accumulating pond, described flow slowing device comprises all cylindrical upper guide plate and bottom guide, described upper guide plate and bottom guide are all fixed on the inwall of described cold accumulating pond, there are between described upper guide plate and described bottom guide many slow flow tubes, the upper end of described slow flow tube is fixed on the side of described upper guide plate, the lower end of described slow flow tube is connected on the side of bottom guide, described slow flow tube runs through described upper guide plate and bottom guide, there is in the lower end of described slow flow tube unhurried current mechanism, described unhurried current mechanism comprises a cylindrical unhurried current plate, the internal diameter of described unhurried current plate and described slow flow tube matches and is positioned at described slow flow tube, the outer wall of described unhurried current plate fits tightly the inwall with described slow flow tube, the side of described unhurried current plate is also fixed with spring, the other end of described spring is connected on the inwall of described slow flow tube, described slow flow tube inwall also has annular groove, when described unhurried current plate moves downward, described slow flow tube is path.
The warm water that this flow slowing device raises as temperature after recovery kind of refrigeration cycle is used, the junction of slow flow tube and upper guide plate forms multiple through hole, warm water enters from through hole, warm water has certain impulse force, through unhurried current mechanism under stream of warm water, warm water forces unhurried current plate to move downward, when moving in annular groove, whole slow flow tube is path, warm water immerses in cold accumulating pond from both gaps, in this process, under the action of the spring, lay down the impulse force of warm water, enable warm water steady, enter slowly in cold accumulating pond, disturbance can not be caused to mesolimnion, by the setting of many slow flow tubes, warm water is immersed in cold accumulating pond uniformly, inlet portion is not concentrated in a certain dense part, design ingenious.
In flow slowing device in above-mentioned a kind of chilled water storage system, described upper guide plate has the baffle plate of protrusion.
The effect of baffle plate is directly immersed in cold accumulating pond from the gap between upper guide plate and cold accumulating pond inwall when preventing warm water from entering.
In flow slowing device in above-mentioned a kind of chilled water storage system, have sealing ring between described slow flow tube and described unhurried current plate, described sealing ring is set on described unhurried current plate.
Strengthen sealing property, when making unhurried current plate not arrive annular groove, there will not be drainage.
In flow slowing device in above-mentioned a kind of chilled water storage system, described bottom guide immerses in the hot water layer in described cold accumulating pond.
Warm water falls to directly entering in hot water layer, the concussion because highly producing can not occur, disturbance mesolimnion.
In flow slowing device in above-mentioned a kind of chilled water storage system, the external diameter of described spring and the internal diameter of described unhurried current plate match.
The intensity of spring can be strengthened, not easily cause the distortion of spring.
Compared with prior art, the flow slowing device in this chilled water storage system has the following advantages:
1, the flow slowing device in this chilled water storage system under the action of the spring, has been laid down the impulse force of warm water, has been enable warm water steady, entered in cold accumulating pond slowly, can not cause disturbance to mesolimnion.
2, the flow slowing device in this chilled water storage system enables warm water immerse uniformly in cold accumulating pond by the setting of many slow flow tubes, and inlet portion is not concentrated in a certain dense part, designs ingenious.
3, the flow slowing device upper guide plate in this chilled water storage system has the baffle plate of protrusion.The effect of baffle plate is directly immersed in cold accumulating pond from the gap between upper guide plate and cold accumulating pond inwall when preventing warm water from entering.
The bottom guide of the flow slowing device 4, in this chilled water storage system immerses in the hot water layer in cold accumulating pond.Warm water falls to directly entering in hot water layer, the concussion because highly producing can not occur, disturbance mesolimnion.
Have sealing ring between the slow flow tube of the flow slowing device 5, in this chilled water storage system and unhurried current plate, sealing ring is set on unhurried current plate.Strengthen sealing property, when making unhurried current plate not arrive annular groove, there will not be drainage.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the flow slowing device in this chilled water storage system.
Fig. 2 is the structural representation of the unhurried current mechanism of flow slowing device in this chilled water storage system.
In figure, 1, upper guide plate; 1a, baffle plate; 2, bottom guide; 3, slow flow tube; 3a, annular groove; 4, flow slowly plate; 5, spring.
Detailed description of the invention
As depicted in figs. 1 and 2, in flow slowing device in this chilled water storage system, chilled water storage system comprises cylindrical circular cold accumulating pond, cold accumulating pond outer wall is enclosed with one layer of heat preservation layer, in cold accumulating pond, there is refrigerator pipes, hot water layer is divided into from top to bottom by water temperature in cold accumulating pond, mesolimnion and cold water layer, flow slowing device is positioned at the top place of cold accumulating pond, flow slowing device comprises all cylindrical upper guide plate 1 and bottom guide 2, upper guide plate 1 and bottom guide 2 are all fixed on the inwall of cold accumulating pond, there are between upper guide plate 1 and bottom guide 2 many slow flow tubes 3, the upper end of slow flow tube 3 is fixed on the side of upper guide plate 1, the lower end of slow flow tube 3 is connected on the side of bottom guide 2, slow flow tube 3 runs through upper guide plate 1 and bottom guide 2, there is in the lower end of slow flow tube 3 unhurried current mechanism, unhurried current mechanism comprises a cylindrical unhurried current plate 4, unhurried current plate 4 matches with the internal diameter of slow flow tube 3 and is positioned at slow flow tube 3, the outer wall of unhurried current plate 4 fits tightly the inwall with slow flow tube 3, the side of unhurried current plate 4 is also fixed with spring 5, the other end of spring 5 is connected on the inwall of slow flow tube 3, slow flow tube 3 inwall also has annular groove 3a, when unhurried current plate 4 moves downward, slow flow tube 3 is in path.
The warm water that this flow slowing device raises as temperature after recovery kind of refrigeration cycle is used, slow flow tube 3 forms multiple through hole with the junction of upper guide plate 1, warm water enters from through hole, warm water has certain impulse force, through unhurried current mechanism under stream of warm water, warm water forces unhurried current plate 4 to move downward, when moving in annular groove 3a, whole slow flow tube 3 is in path, warm water immerses in cold accumulating pond from both gaps, in this process, under the effect of spring 5, lay down the impulse force of warm water, enable warm water steady, enter slowly in cold accumulating pond, disturbance can not be caused to mesolimnion, by the setting of many slow flow tubes 3, warm water is immersed in cold accumulating pond uniformly, inlet portion is not concentrated in a certain dense part, design ingenious.
As shown in Figure 1, upper guide plate 1 has the baffle plate 1a of protrusion.The effect of baffle plate 1a is directly immersed in cold accumulating pond from the gap between upper guide plate 1 and cold accumulating pond inwall when preventing warm water from entering.
Have sealing ring between slow flow tube 3 and unhurried current plate 4, sealing ring is set on unhurried current plate 4.Strengthen sealing property, when making unhurried current plate 4 not arrive annular groove 3a, there will not be drainage.
Bottom guide 2 immerses in the hot water layer in cold accumulating pond.Warm water falls to directly entering in hot water layer, the concussion because highly producing can not occur, disturbance mesolimnion.
The external diameter of spring 5 matches with the internal diameter of unhurried current plate 4.The intensity of spring 5 can be strengthened, not easily cause the distortion of spring 5.
Flow slowing device in this chilled water storage system is under the effect of spring 5, lay down the impulse force of warm water, enable warm water steady, enter slowly in cold accumulating pond, disturbance can not be caused to mesolimnion, by the setting of many slow flow tubes 3, warm water is immersed in cold accumulating pond uniformly, inlet portion is not concentrated in a certain dense part, designs ingenious.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (5)
1. the flow slowing device in a chilled water storage system, it is characterized in that: described chilled water storage system comprises cylindrical circular cold accumulating pond, described cold accumulating pond outer wall is enclosed with one layer of heat preservation layer, in described cold accumulating pond, there is refrigerator pipes, hot water layer is divided into from top to bottom by water temperature in described cold accumulating pond, mesolimnion and cold water layer, described flow slowing device is positioned at the top place of described cold accumulating pond, described flow slowing device comprises all cylindrical upper guide plate and bottom guide, described upper guide plate and bottom guide are all fixed on the inwall of described cold accumulating pond, there are between described upper guide plate and described bottom guide many slow flow tubes, the upper end of described slow flow tube is fixed on the side of described upper guide plate, the lower end of described slow flow tube is connected on the side of bottom guide, described slow flow tube runs through described upper guide plate and bottom guide, there is in the lower end of described slow flow tube unhurried current mechanism, described unhurried current mechanism comprises a cylindrical unhurried current plate, the internal diameter of described unhurried current plate and described slow flow tube matches and is positioned at described slow flow tube, the outer wall of described unhurried current plate fits tightly the inwall with described slow flow tube, the side of described unhurried current plate is also fixed with spring, the other end of described spring is connected on the inwall of described slow flow tube, described slow flow tube inwall also has annular groove, when described unhurried current plate moves downward, described slow flow tube is path.
2. the flow slowing device in a kind of chilled water storage system according to claim 1, is characterized in that described upper guide plate having the baffle plate of protrusion.
3. the flow slowing device in a kind of chilled water storage system according to claim 1 and 2, is characterized in that, has sealing ring between described slow flow tube and described unhurried current plate, and described sealing ring is set on described unhurried current plate.
4. the flow slowing device in a kind of chilled water storage system according to claim 1 and 2, it is characterized in that, described bottom guide immerses in the hot water layer in described cold accumulating pond.
5. the flow slowing device in a kind of chilled water storage system according to claim 1 and 2, is characterized in that, the external diameter of described spring and the internal diameter of described unhurried current plate match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351541.3A CN105157138A (en) | 2015-06-24 | 2015-06-24 | Flow buffering device in chilled water storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351541.3A CN105157138A (en) | 2015-06-24 | 2015-06-24 | Flow buffering device in chilled water storage system |
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| Publication Number | Publication Date |
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| CN105157138A true CN105157138A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510351541.3A Pending CN105157138A (en) | 2015-06-24 | 2015-06-24 | Flow buffering device in chilled water storage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793136A (en) * | 2019-11-08 | 2020-02-14 | 深圳市鹏跃新能源科技有限公司 | Ice storage air conditioning system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534018A1 (en) * | 1991-09-24 | 1993-03-31 | Ragaiy Georg Habeeb | Air-conditioning device |
| CN101592384A (en) * | 2008-12-19 | 2009-12-02 | 天津大学 | Natural layering water cold accumulation device |
| CN104197455A (en) * | 2014-09-19 | 2014-12-10 | 中山市蓝水能源科技发展有限公司 | Water distribution device in water cold accumulation system |
| CN104235983A (en) * | 2014-09-17 | 2014-12-24 | 中山市蓝水能源科技发展有限公司 | Current stabilizer in chilled water storage system |
| CN104296291A (en) * | 2014-10-17 | 2015-01-21 | 中山市蓝水能源科技发展有限公司 | Water distribution device in temperature stratification type chilled water storage system |
| CN204250758U (en) * | 2014-11-19 | 2015-04-08 | 煤炭工业郑州设计研究院股份有限公司 | Vertical high drop material guide device |
-
2015
- 2015-06-24 CN CN201510351541.3A patent/CN105157138A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534018A1 (en) * | 1991-09-24 | 1993-03-31 | Ragaiy Georg Habeeb | Air-conditioning device |
| CN101592384A (en) * | 2008-12-19 | 2009-12-02 | 天津大学 | Natural layering water cold accumulation device |
| CN104235983A (en) * | 2014-09-17 | 2014-12-24 | 中山市蓝水能源科技发展有限公司 | Current stabilizer in chilled water storage system |
| CN104197455A (en) * | 2014-09-19 | 2014-12-10 | 中山市蓝水能源科技发展有限公司 | Water distribution device in water cold accumulation system |
| CN104296291A (en) * | 2014-10-17 | 2015-01-21 | 中山市蓝水能源科技发展有限公司 | Water distribution device in temperature stratification type chilled water storage system |
| CN204250758U (en) * | 2014-11-19 | 2015-04-08 | 煤炭工业郑州设计研究院股份有限公司 | Vertical high drop material guide device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793136A (en) * | 2019-11-08 | 2020-02-14 | 深圳市鹏跃新能源科技有限公司 | Ice storage air conditioning system |
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Application publication date: 20151216 |
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