CN206310766U

CN206310766U - A kind of phase change heat accumulator of solar energy heating

Info

Publication number: CN206310766U
Application number: CN201621250641.3U
Authority: CN
Inventors: 刘志坚; 李思佳; 高钰琛
Original assignee: North China Electric Power University
Current assignee: North China Electric Power University
Priority date: 2016-11-22
Filing date: 2016-11-22
Publication date: 2017-07-07
Anticipated expiration: 2026-11-22

Abstract

The utility model discloses a kind of phase change heat accumulator of solar energy heating, filling is provided with phase-change material layers in insulation cladding, thermal medium is right to enter the phase-change material layers setting that pipe and the left entrance pipe of thermal medium are both passed through in insulation cladding, the right left pipe that enters of pipe, thermal medium that enters of thermal medium is separately set, thermal medium is right to enter pipe and thermal medium is left enters that pipe is upper equally spaced to be provided with multiple heat transmission fins, heat transmission fin is circular sheet-like structures, circumferentially circumference array is provided with multiple arcs groove on circular sheet-like structures, and phase-change material layers have been also filled up in deep-slotted chip breaker.By setting, the thermal medium of opposite course is right to enter pipe to the utility model into pipe and thermal medium are left, so that thermal medium is flowed into from the two ends of storage heater simultaneously, the two alternate arrangement improves phase change heat accumulator inside accumulation of heat uniformity, the utility model preferably can carry out heat exchange to phase-change material layers using the setting deep-slotted chip breaker on heat transmission fin by heat transmission fin, improve heat storage capacity and accumulation of heat effect.

Description

A kind of phase change heat accumulator of solar energy heating

Technical field

The utility model is related to a kind of phase-change heat storage technology field, specially a kind of phase change heat accumulator of solar energy heating.

Background technology

The energy is the basis of human survival and development, and oneself is further as restriction human material and cultural life for energy problem The serious hindrance of raising makes a general survey of All Around The World, and with the progress and development of science and technology, people increasingly increase the demand of the energy, But also day is becoming tight for the supply of the energy simultaneously, therefore the mankind should consider from the long-term interest of survival and development, improve energy resource structure, New energy, such as solar energy are promoted in exploitation.

Want this energy density is low, the intermittent energy be people used by, it is necessary to what is be collected into sunny daytime The thermal energy storage that solar radiant energy is converted into, for night or it is overcast and rainy use, from the point of view of energy-conservation and economic angle, heat Amount is stored in the effect played in Solar Energy Heat Utilization System, all more much bigger than general heat utilization system.So, solar energy Energy storage is solved the problems, such as using it is critical only that, accumulation of energy problem is also the weak link in Application of Solar Energy research.Phase-changing energy-storing With energy storage density it is high, easily match with runtime, it is easy to control the advantages of, the first-selection as energy-storage system increasingly, in recent years, phase Become energy-storage system and be applied to building energy conservation, cold accumulation air-conditioner and some residual neat recovering systems more and more widely, and phase transformation stores The form of heat exchanger is also more and more with being actually needed.Now, phase change heat accumulator is also more and more.

But, current phase change heat accumulator, especially large-scale storage heater, easilys lead to non-uniform temperature inside it, The accumulation of heat of internal heat-storing material is unstable, and, accumulation of heat effect is poor, for the utilization of solar energy there is certain obstruction to make With, accordingly, it would be desirable to phase change heat accumulator is further improved, to improve the heat storage capacity of phase change heat accumulator.

The content of the invention

The utility model is directed to existing technical problem, there is provided a kind of phase change heat accumulator of solar energy heating, it is therefore an objective to carry The accumulation of heat effect of phase change heat accumulator high, strengthens heat storage capacity, realizes the pressure accumulation of heat inside phase change heat accumulator.

To achieve the above object, the utility model provides following technical scheme：A kind of phase change heat accumulator of solar energy heating, It includes that insulation cladding, thermal medium are right left into pipe, phase-change material layers and heat transmission fin into pipe, thermal medium, it is characterised in that institute Phase-change material layers are filled with the insulation cladding stated, right pipe and the left entrance pipe of thermal medium of entering of described thermal medium both passes through institute Phase-change material layers in the insulation cladding stated are set, and the described right pipe, the left entrance pipe of thermal medium of entering of thermal medium is multiple, and Described thermal medium is right to enter that pipe, thermal medium are left separately to be set into pipe, and described described thermal medium is right to enter pipe and heat Medium is left enter pipe it is upper it is equally spaced be provided with multiple heat transmission fins, described heat transmission fin is circular sheet-like structures, and circle Circumferentially circumference array is provided with multiple arcs groove in shape laminated structure, is also filled up in described deep-slotted chip breaker described Phase-change material layers, the right left pipe that enters of pipe, thermal medium that enters of thermal medium causes thermal medium from the two ends of insulation cladding in a reverse direction Flow through phase-change material layers simultaneously.

Further, preferably, the water inlet end of the right entrance pipe of thermal medium described in each and water side are respectively using each From how logical connection valve connect and set, the water inlet end of the left entrance pipe of thermal medium described in each and water side are also respectively using each From how logical connection valve connect set.

Further, preferably, being also all connected with being provided with thermal medium connecting tube, described heat Jie in each many logical connection valve Matter connecting tube is connected with the thermal medium recycle unit of outside.

Further, preferably, being also set up in the right space entered between pipe and the left entrance pipe of thermal medium of the thermal medium There is copper flow-guiding screen.

Further, preferably, it is the copper laminated structure of 3-10mm that described heat transmission fin is thickness.

Further, preferably, thermal medium is right to enter pipe and number phase identical with the cross-sectional area of the left entrance pipe of thermal medium Together.

Compared with prior art, the beneficial effects of the utility model are：

By setting, the thermal medium of opposite course is right to enter pipe to the utility model into pipe and thermal medium are left so that thermal medium Flowed into simultaneously from the two ends of storage heater, and the two alternate arrangement, improve the uniformity of phase change heat accumulator inside accumulation of heat, this reality With new use, deep-slotted chip breaker is set on heat transmission fin.Phase-change material layers are filled up in deep-slotted chip breaker, so, can preferably by leading Hot fin carries out heat exchange to phase-change material layers, improves heat storage capacity and accumulation of heat effect, phase change heat accumulator accumulation of heat effect of the invention Really good, heat storage capacity is strong, is especially suitable for the use of large-scale phase change heat accumulator heated using solar energy.

Brief description of the drawings

Fig. 1 is overall structure diagram of the present utility model；

Fig. 2 is heat transmission fin structural representation of the present utility model；

In figure：1st, insulation cladding, 2, thermal medium it is right enter pipe, 3, thermal medium it is left enter pipe, 4, lead to connection valve, 5, heat be situated between Matter connecting tube, 6, copper flow-guiding screen, 7, phase-change material layers, 8, heat transmission fin, 9, deep-slotted chip breaker.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of phase change heat accumulator of solar energy heating, its Including the left entrance pipe 3 of the right entrance pipe 2, thermal medium of insulation cladding 1, thermal medium, phase-change material layers 7 and heat transmission fin 8, its feature exists In, phase-change material layers 7 have been filled with described insulation cladding 1, the right entrance pipe 2 of described thermal medium and thermal medium are left into pipe 3 phase-change material layers 7 both passed through in described insulation cladding are set, and described thermal medium is right enters that pipe, thermal medium are left to enter pipe Multiple is, and the described right left pipe that enters of pipe, thermal medium that enters of thermal medium is separately set, described thermal medium is right to enter pipe It is left with thermal medium enter pipe it is upper it is equally spaced be provided with multiple heat transmission fins 8, described heat transmission fin 8 is round sheet knot Circumferentially circumference array is provided with multiple arcs groove 9 on structure, and circular sheet-like structures, is also filled out in described deep-slotted chip breaker 9 Completely have a described phase-change material layers, thermal medium is right enter pipe, thermal medium it is left enter pipe cause thermal medium from the two ends of insulation cladding with Flow through phase-change material layers simultaneously in opposite direction.

In the present embodiment, as shown in figure 1, the water inlet end of the right entrance pipe 2 of thermal medium described in each and water side are divided equally Respective Cai Yong not lead to the connection of connection valves 4 to set, the water inlet end of the left entrance pipe 3 of thermal medium described in each and water side are also equal more Respective many logical connection valve connections are respectively adopted to set.Also it is all connected with being provided with thermal medium connecting tube 5 in each many logical connection valve, Described thermal medium connecting tube is connected with the thermal medium recycle unit of outside.The thermal medium is right to enter pipe and the left entrance of thermal medium Copper flow-guiding screen 6 is additionally provided with space between pipe.Described heat transmission fin is that thickness is the copper laminated structure of 3-10mm. Thermal medium is right identical with the cross-sectional area of the left entrance pipe of thermal medium into pipe and number is identical.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of phase change heat accumulator of solar energy heating, it include insulation cladding, thermal medium it is right enter pipe, thermal medium it is left enter pipe, Phase-change material layers and heat transmission fin, it is characterised in that phase-change material layers, described heat Jie have been filled with described insulation cladding Matter is right to enter the phase-change material layers setting that pipe and the left entrance pipe of thermal medium are both passed through in described insulation cladding, and described thermal medium The right pipe, the left entrance pipe of thermal medium of entering is multiple, and the described right left pipe that enters of pipe, thermal medium that enters of thermal medium separately sets Put, described described thermal medium is right enter pipe and thermal medium it is left enter pipe it is upper it is equally spaced be provided with multiple heat transmission fins, Described heat transmission fin is that circumferentially circumference array is provided with multiple arcs on circular sheet-like structures, and circular sheet-like structures Shape groove, also fills up described phase-change material layers in described deep-slotted chip breaker, the right left pipe that enters of pipe, thermal medium that enters of thermal medium is caused Thermal medium flows through phase-change material layers simultaneously in a reverse direction from the two ends of insulation cladding.

2. the phase change heat accumulator of a kind of solar energy heating according to claim 1, it is characterised in that：Heat Jie described in each The water inlet end of the right entrance pipe of matter respectively connects setting with water side using respective many logical connection valves, the thermal medium described in each The water inlet end of left entrance pipe also respectively connects setting with water side using respective many logical connection valves.

3. the phase change heat accumulator of a kind of solar energy heating according to claim 1, it is characterised in that：Each many logical connection valve On be also all connected with being provided with thermal medium connecting tube, described thermal medium connecting tube is connected with the thermal medium recycle unit of outside.

4. the phase change heat accumulator of a kind of solar energy heating according to claim 1, it is characterised in that：The thermal medium right side is entered Enter in the space between pipe and the left entrance pipe of thermal medium and be additionally provided with copper flow-guiding screen.

5. the phase change heat accumulator of a kind of solar energy heating according to claim 1, it is characterised in that：Described heat transmission fin For thickness is the copper laminated structure of 3-10mm.

6. the phase change heat accumulator of a kind of solar energy heating according to claim 1-5 any one, it is characterised in that：Heat is situated between Matter is right identical with the cross-sectional area of the left entrance pipe of thermal medium into pipe and number is identical.