CN102997732A - Novel two-way phase transformation energy storage equipment - Google Patents
Novel two-way phase transformation energy storage equipment Download PDFInfo
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- CN102997732A CN102997732A CN2012104462710A CN201210446271A CN102997732A CN 102997732 A CN102997732 A CN 102997732A CN 2012104462710 A CN2012104462710 A CN 2012104462710A CN 201210446271 A CN201210446271 A CN 201210446271A CN 102997732 A CN102997732 A CN 102997732A
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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
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- 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
Abstract
The invention discloses a piece of novel two-way phase transformation energy storage equipment, comprising a control device, a connecting pipe segment, and phase transformation energy storage equipment, wherein the phase transformation energy storage equipment comprises an energy storage unit, a stream unit, a sealing gasket, and a heat preservation layer; in the manufacturing process, the phase transformation energy storage unit and the stream unit are respectively processed in a welding manner; and the energy storage unit and the stream unit are connected by a double-ended bolt in a flange manner, and the sealing gasket is added to connect all units into a whole body. According to the energy storage equipment, a phase transformation cool storage material and a phase transformation heat storage material are integrated, an energy storage system can perform phase transformation heat storage in a heat supply season, and can perform phase transformation cool storage in a cold supply season, and the phase transformation energy storage system simultaneously stores and releases energy by taking advantage of sensible heat and hidden heat of materials, to maximally take advantage of energy storage materials. The energy storage equipment disclosed by the invention is simple in processing principle, easy to mount, and outstanding in advantages, and basically needs no maintenance after molding.
Description
Technical field
The invention belongs to the phase change energy storage technology field.It exactly is a kind of novel two-way phase-change energy storage equipment.
Background technology
Along with the development of human society, the energy, environmental problem need to be resolved hurrily, and rational energy is utilized very important fully.Phase change energy storage technology is subject to the attention of global range as a kind of effective power save mode.Most of China air source heat pump operational effect is in medium, and phase change energy storage technology and air source heat pump cooperation are conducive to improve air source heat pump usefulness, rationally utilization, energy savings.
Adopt Air Resource Heat Pump Unit to show as the investigation of the engineering (189) of central air-conditioning Cooling and Heat Source to Nanjing, operational excellence just account for 15%, operational effect is poor, and to account for 15%, 70% unit operation effect placed in the middle.Analogue is also found in other area (such as Hangzhou, Chengdu, Changsha etc.).In the heat supply lower period of outdoor temperature in season, the operational effect of air source heat pump is poorer, and period of the more heats of indoor needs just this moment.Also exist same contradiction season at cooling.In addition, the research in domestic phase-change accumulation energy field focuses mostly on aspect single heat accumulation or single cold-storage, and the research of different phase-change materials being optimized respectively utilization still is in the development phase.The present invention combines phase change energy storage technology with air source heat pump, made can with the phase-change energy storage equipment of air source heat pump coupling operation, all can utilize season it efficiently to move the period at air source heat pump at heat supply and cooling and store energy, move mode that the relatively poor period releases energy at air source heat pump and realize that the operation of air source heat pump regulates Effective Raise air source heat pump usefulness.
Phase-changing energy storage material comprises organic phase change energy storage material, inorganic-phase variable energy storage material and composite phase-change energy storage material, wherein organic phase change energy storage material because of have heat of fusion and greatly, be not prone to surfusion and be separated, the corrosivity of material is less, performance is more stable, toxicity is little, low cost and other advantages receives much concern.Present German Vakilaltojjar S is studied the cooperation of the phase-change material of two kinds of different phase transition temperatures with Saman M.By introducing phase-change material, can reduce by 50% air-conditioning nominal load, according to local time-of-use tariffs standard, can save 32% the electricity charge every year.The Coupling Research of domestic phase-change accumulation energy and air source heat pump is only possessing some special knowledge aspect single phase change cold-storage or the single phase-change thermal storage, and phase-change accumulation energy system this case that the air source heat pump that can be coupled also has both phase change cold-storage and phase-transition heat-storage function simultaneously still belongs to the first.
Summary of the invention
The purpose of this invention is to provide a kind of novel two-way phase-change energy storage equipment.Be to improve its Integrated using benefit by introducing phase-change accumulation energy system enhancement air source heat pump ruuning situation.The present invention takes full advantage of the advantage of organic phase change energy storage material, adopts the integrated two-way phase-change accumulation energy system that is complementary with air source heat pump of having realized of two-phase change energy-storage material coupling function mode.
The present invention includes: control device (1), connection pipeline section (2), phase-change energy storage equipment (3), as shown in Figure 1, wherein phase-change energy storage equipment (3) is comprised of energy-storage units (4), current unit (5), gasket seal (6), heat-insulation layer (7), two kinds of rubber blankets are arranged in respectively the both sides realization material of material layer and current layer interface frame and the excellent sealing of current, as shown in Figure 2, material one and material two are loaded on respectively in the energy storage device, current can pass through bi-material in turn, realize that as shown in Figure 3 the coupling of bi-material is used.In the equipment making process, energy-storage units and current unit make and punching according to welding requirements respectively, the erection sequence shown in Figure 2 of during installation energy-storage units, current unit being connected with seal gasket connects according to this, punched by predetermined in two material layer borders and middle each several part thereof, realize that as ring flange flange connects with the U-lag on material layer border.Flow through in energy storage device each current unit and energy-storage units of heat transferring medium carries out heat exchange.At current mouth A and current mouth B place difference set temperature sensor 1 and temperature sensor 2(such as Fig. 3) monitoring inflow and the water temperature that flows out energy storage device.In cooling season, utilize the night dip electricity lower in outdoor temperature, the better period of air source heat pump operational effect is the energy storage device cold-storage, keep valve K2, K3, K5, K8 to open this moment, valve K1, K4, K6, K7 close, the control current are realized cold-storage by material two and material one in turn, when the temperature difference between the two temperatures sensor stops cold-storage during less than 1 ℃.Cold discharges in heat supply peak period, this process keeps valve K1, K4, K6, K7 to open, valve K2, K3, K5, K8 close, and the control current realize that by material one and material two colds discharge in turn, when the temperature difference between the two temperatures sensor stops to let cool during less than 1 ℃.
For heat supply season, utilize air source heat pump to be the energy storage device accumulation of heat in the higher and non-peak value electricity price period of daytime temperature, keep valve K1, K4, K5, K8 to open this moment, valve K2, K3, K6, K7 close, the control current are realized accumulation of heats by material one and material two in turn, when the temperature difference between the two temperatures sensor stops accumulation of heat during less than 1 ℃.The period energy storage device lower in outdoor temperature, that the air source heat pump operational effect is poor carries out heat release, maintaining valve family of power and influence door K2, K3, K6, K7 open at this moment, valve K1, K4, K5, K8 close, the control current are realized heat release by material two and material one in turn, when the temperature difference between the two temperatures sensor stops heat release during less than 1 ℃.The phase-changing energy storage material one that uses in the equipment is 46# paraffin, is purchased from Shenzhen Ke Qitai chemical industry Co., Ltd.The binary mixture of two lauryl alcohols of phase-changing energy storage material and capric acid, the mass ratio of the two is in the mixture: lauryl alcohol: capric acid=(55-60): (40-45), wherein lauryl alcohol is purchased from Shanghai times specialization worker Co., Ltd, and capric acid is purchased from the true Bioisystech Co., Ltd in Shanghai.
Advantage of the present invention is: the present invention is integrated in two kinds of phase-changing energy storage materials in the same phase-change accumulation energy system, the integrated phase-change accumulation energy system that has both accumulation of heat and cool storage function that has realized with the air source heat pump function match.The energy storage device design realizes modularization, can select different accumulation of heat, cold-storage cell board numeral systems to install according to different Practical Project demands.Realized well packagedly in view of energy-storage units, energy-storage system according to circumstances is not limited only to make water do heat transferring medium, can also use air as heat transferring medium.Material two utilizes sensible heat to realize holding heat release in heat supply season in the two-way phase-change accumulation energy system, and material one utilizes sensible heat to realize holding letting cool at cooling season, has realized in this way the maximum using of material property.Process principle of the present invention is simple, installs easily, does not substantially need after the moulding to safeguard that advantage is comparatively outstanding.
Description of drawings
Fig. 1 is two-way phase-change accumulation energy system architecture schematic diagram.
Fig. 2 is energy storage device preparation method schematic diagram.
Fig. 3 is two-way phase-change accumulation energy tank body profile.
The specific embodiment:
It is by control device 1, connect pipeline section 2, phase-change accumulation energy tank body 3 forms, wherein phase-change accumulation energy tank body 3 is by energy-storage units 4, current unit 5, gasket seal 6, heat-insulation layer 7 forms, wherein energy-storage units is comprised of unit skeleton and cover plate, use stud to connect each unit and add gasket seal and realize sealed package, it is characterized in that: two kinds of phase-changing energy storage materials are integrated in the same phase-change accumulation energy tank, split two parts in tank, the employing modular mode is installed, can select different accumulation of heats according to different Practical Project demands, cold-storage cell board numeral system is installed, make water or air as heat transferring medium, control device 1, connect pipeline section 2, phase-change accumulation energy tank body 3, energy storage tank body 3 interior two kinds of rubber blankets are arranged in respectively the both sides of material layer and current layer interface frame, current can pass through bi-material in turn, realize the coupling application of bi-material, during installation with energy-storage units, be connected with seal gasket according to this and connect in the current unit, punched by predetermined in two material layer borders and middle each several part thereof, U-lag with the material layer border realizes that as ring flange flange connects, flow through in energy storage device each current unit and energy-storage units of heat transferring medium carries out heat exchange, at current mouth A and current mouth B place difference set temperature sensor 1 and temperature sensor 2, in cooling season, utilize the night dip electricity lower in outdoor temperature, the better period of air source heat pump operational effect is the energy storage device cold-storage, keep valve K2 this moment, K3, K5, K8 opens, valve K1, K4, K6, K7 closes, the control current are realized cold-storage by material 2 and material 1 in turn, when the temperature difference between the two temperatures sensor stops cold-storage during less than 1 ℃, cold discharges in heat supply peak period, this process keeps valve K1, K4, K6, K7 opens, valve K2, K3, K5, K8 closes, the control current realize that by material one and material two cold discharges in turn, when the temperature difference between the two temperatures sensor stops to let cool during less than 1 ℃, for heat supply season, utilize air source heat pump to be the energy storage device accumulation of heat in the higher and non-peak value electricity price period of daytime temperature, keep valve K1 this moment, K4, K5, K8 opens, valve K2, K3, K6, K7 closes, the control current are realized accumulation of heat by material one and material two in turn, when the temperature difference between the two temperatures sensor stops accumulation of heat during less than 1 ℃, lower in outdoor temperature, the poor period energy storage device of air source heat pump operational effect carries out heat release, this moment maintaining valve family of power and influence door K2, K3, K6, K7 opens, valve K1, K4, K5, K8 closes, the control current are realized heat release by material two and material one in turn, when the temperature difference between the two temperatures sensor stops heat release during less than 1 ℃.
Phase-changing energy storage material one is 46# paraffin, and phase-changing energy storage material two is the binary mixture of lauryl alcohol and capric acid, and the mass ratio of the two is in the mixture: lauryl alcohol: capric acid=55-60:40-45.
Claims (2)
1. novel two-way phase-change energy storage equipment, it is by control device (1), connect pipeline section (2), phase-change accumulation energy tank body (3) forms, wherein phase-change accumulation energy tank body (3) is by energy-storage units (4), current unit (5), gasket seal (6), heat-insulation layer (7) forms, wherein energy-storage units is comprised of unit skeleton () and cover plate (), use stud to connect each unit and add gasket seal and realize sealed package, it is characterized in that: two kinds of phase-changing energy storage materials are integrated in the same phase-change accumulation energy tank, split two parts in tank, the employing modular mode is installed, can select different accumulation of heats according to different Practical Project demands, cold-storage cell board numeral system is installed, make water or air as heat transferring medium, control device (1), connect pipeline section (2), phase-change accumulation energy tank body (3), the interior two kinds of rubber blankets of energy storage tank body (3) are arranged in respectively the both sides of material layer and current layer interface frame, current can pass through bi-material in turn, realize the coupling application of bi-material, during installation with energy-storage units, be connected with seal gasket according to this and connect in the current unit, punched by predetermined in two material layer borders and middle each several part thereof, U-lag with the material layer border realizes that as ring flange flange connects, flow through in energy storage device each current unit and energy-storage units of heat transferring medium carries out heat exchange, at current mouth A and current mouth B place difference set temperature sensor 1 and temperature sensor 2, in cooling season, utilize the night dip electricity lower in outdoor temperature, the better period of air source heat pump operational effect is the energy storage device cold-storage, keep valve K2 this moment, K3, K5, K8 opens, valve K1, K4, K6, K7 closes, the control current are realized cold-storage by material 2 and material 1 in turn, when the temperature difference between the two temperatures sensor stops cold-storage during less than 1 ℃, cold discharges in heat supply peak period, this process keeps valve K1, K4, K6, K7 opens, valve K2, K3, K5, K8 closes, the control current realize that by material one and material two cold discharges in turn, when the temperature difference between the two temperatures sensor stops to let cool during less than 1 ℃, for heat supply season, utilize air source heat pump to be the energy storage device accumulation of heat in the higher and non-peak value electricity price period of daytime temperature, keep valve K1 this moment, K4, K5, K8 opens, valve K2, K3, K6, K7 closes, the control current are realized accumulation of heat by material one and material two in turn, when the temperature difference between the two temperatures sensor stops accumulation of heat during less than 1 ℃, lower in outdoor temperature, the poor period energy storage device of air source heat pump operational effect carries out heat release, this moment maintaining valve family of power and influence door K2, K3, K6, K7 opens, valve K1, K4, K5, K8 closes, the control current are realized heat release by material two and material one in turn, when the temperature difference between the two temperatures sensor stops heat release during less than 1 ℃.
2. a kind of novel two-way phase-change energy storage equipment according to claim 1, it is characterized in that: phase-changing energy storage material one is 46# paraffin, phase-changing energy storage material two is the binary mixture of lauryl alcohol and capric acid, and the mass ratio of the two is in the mixture: lauryl alcohol: capric acid=55-60:40-45.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236177A (en) * | 2013-06-20 | 2014-12-24 | 青岛海尔空调电子有限公司 | Phase-change heat storage and coolant supercooling heat exchanger and air conditioning system with same |
| CN105698319A (en) * | 2016-04-18 | 2016-06-22 | 王言明 | Heat pump air-conditioner for storing heat and cold through off-peak electricity |
| CN105737447A (en) * | 2015-06-19 | 2016-07-06 | 熵零股份有限公司 | Cold supply method |
| CN107289805A (en) * | 2017-07-25 | 2017-10-24 | 大连美天新能源科技有限公司 | The outdoor hot energy storage device of Large Copacity |
| CN108765186A (en) * | 2018-04-09 | 2018-11-06 | 四川协成电力工程设计有限公司 | A kind of method of energy supply, system and terminal device |
| CN109041534A (en) * | 2018-08-28 | 2018-12-18 | 中国电子科技集团公司第十六研究所 | A kind of temp auto-controlled constant temperature fluid reservoir |
| CN112947207A (en) * | 2021-02-26 | 2021-06-11 | 王继凡 | Geothermal source energy-saving method and system based on Internet of things |
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| US20120227926A1 (en) * | 2009-11-16 | 2012-09-13 | Sunamp Limited | Energy storage systems |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236177A (en) * | 2013-06-20 | 2014-12-24 | 青岛海尔空调电子有限公司 | Phase-change heat storage and coolant supercooling heat exchanger and air conditioning system with same |
| CN104236177B (en) * | 2013-06-20 | 2017-03-01 | 青岛海尔空调电子有限公司 | A kind of phase-transition heat-storage, coolant are crossed cold-heat-exchanging exchange system and are adopted its air conditioning system |
| CN105737447A (en) * | 2015-06-19 | 2016-07-06 | 熵零股份有限公司 | Cold supply method |
| CN105698319A (en) * | 2016-04-18 | 2016-06-22 | 王言明 | Heat pump air-conditioner for storing heat and cold through off-peak electricity |
| CN107289805A (en) * | 2017-07-25 | 2017-10-24 | 大连美天新能源科技有限公司 | The outdoor hot energy storage device of Large Copacity |
| CN108765186A (en) * | 2018-04-09 | 2018-11-06 | 四川协成电力工程设计有限公司 | A kind of method of energy supply, system and terminal device |
| CN108765186B (en) * | 2018-04-09 | 2021-07-27 | 四川协成电力工程设计有限公司 | Energy supply method and system and terminal equipment |
| CN109041534A (en) * | 2018-08-28 | 2018-12-18 | 中国电子科技集团公司第十六研究所 | A kind of temp auto-controlled constant temperature fluid reservoir |
| CN112947207A (en) * | 2021-02-26 | 2021-06-11 | 王继凡 | Geothermal source energy-saving method and system based on Internet of things |
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| CN102997732B (en) | 2015-07-15 |
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