CN205208891U - Natural convection formula heater based on phase transition heat -retaining material - Google Patents
Natural convection formula heater based on phase transition heat -retaining material Download PDFInfo
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- CN205208891U CN205208891U CN201520838732.8U CN201520838732U CN205208891U CN 205208891 U CN205208891 U CN 205208891U CN 201520838732 U CN201520838732 U CN 201520838732U CN 205208891 U CN205208891 U CN 205208891U
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Abstract
The utility model relates to a natural convection formula heater based on phase transition heat -retaining material, including convection current device, shell and filling at the inside phase change material of shell, the convection current device including setting up at the collection pipe of shell top, set up at the heating pipe of shell below and bury many hot exchange pipe in phase change material underground, every hot exchange pipe both ends are passed phase change material and are connected with collection pipe and heating pipe respectively, the inside electric heater that is equipped with of heating pipe, collection pipe and heating pipe parallel arrangement, collection pipe one end be equipped with the outlet valve, the one end of heating pipe is equipped with the water intaking valve. Compared with the prior art, the utility model has the advantages of simple structure, little, the natural convection heating of occupation of land.
Description
Technical field
The utility model relates to a kind of electric heater, especially relates to a kind of natural convection heater based on phase-change heat-storage material.
Background technology
Chinese patent CN102654308A discloses a kind of phase-change heat storage type electric water heater, comprise an outer cover of water heater, insulation material is provided with in outer cover of water heater, several containers are included in outer cover of water heater, several containers in be filled with phase-change material respectively, heat-exchange tube is embedded with in phase-change material, one end of heat-exchange tube is connected with water inlet pipe, the other end is connected with outlet pipe, a return pipe is connected with between water inlet pipe and outlet pipe, return pipe is provided with circulating pump and water receptacle, in water receptacle, electric heater is installed, circulating pump and electric heater are electrically connected a controller respectively, controller is fixed on outer cover of water heater.This phase-change heat storage type electric water heater, mainly utilizes the high heat storage of phase-change material, and in advance after heat accumulation, can provide hot water anywhere or anytime to user, the hot water duration is long, and hot water output is many, safe and reliable.But, in that patent, it is the mode of employing circulating pump active cycle to phase-change heat-storage material heating, taken in heat-exchange tube by the heat of heater heat cycles medium, then heat phase-change heat-storage material by heat-exchange tube, vibrational power flow is comparatively complicated, take up room comparatively large, cost is high, the reliability of service life of circulating pump is poor, affects the reliability of service life of whole water heater, and is not easy to safeguard and change.
Utility model content
The purpose of this utility model be exactly provide to overcome defect that above-mentioned prior art exists a kind of structure simple, take up an area the natural convection heater based on phase-change heat-storage material that is little, free convection heating.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of natural convection heater based on phase-change heat-storage material, comprise convection device, the phase-change material in shell and filling portion in the enclosure, described convection device comprises the collection pipe be arranged on above shell, be arranged on the heating tube below shell and be embedded in many heat-exchange tubes in phase-change material, every bar heat-exchange tube two ends are connected with collection pipe and heating tube respectively through phase-change material, described heating tube inside is provided with electric heater, described collection pipe and heating tube be arranged in parallel, described collection pipe one end is provided with outlet valve, one end of heating tube is provided with water intaking valve.
Many described heat-exchange tubes be arranged in parallel, every bar heat-exchange tube comprises the first heat exchange pipe and the second heat exchange pipe that are L-type, the first described heat exchange pipe and the two ends of the sub-pipe of the second heat exchange are connected to form convection loop with collection pipe and heating tube respectively, are provided with circulatory mediator in described convection loop.
Described circulatory mediator is the liquid that atmospheric boiling point is more than or equal to 100 DEG C.
Described natural convection heater also comprises temperature controller and is arranged on the temperature sensor in heating tube, and described temperature controller is connected with temperature sensor and electric heater respectively.
Described outlet valve and water intaking valve are ball valve, motor-driven valve and/or magnetic valve.
Described phase-change material is inorganic nano combined phase-change heat-storage material.
Described circulatory mediator comprises water or anti-icing fluid.
Compared with prior art, the utility model has the following advantages:
One, take up an area little: the utility model instead of original peripheral hardware formula circulating pump by built-in electric heater and temperature sensor, reduces cost, reduces and take up room, be convenient to maintenance and dismounting.
Two, free convection heating: the utility model adopts the mode of free convection heating, after the electric heater be arranged in heating tube by bottom makes circulatory mediator heat up, circulate in the convection loop that circulatory mediator is managed at the first heat exchange of L-type, the second heat exchange pipe, collection pipe and heating tube are formed, instead of the mode that original dependence circulating pump carries out circulating, save the energy and heating effect is suitable with circulating pump mode effect.
Three, internal structure is simplified: the utility model is by the circulatory mediator in heated convection loop, after circulatory mediator is heated, circulate in convection loop, in flow process, phase-change material is by many heat-exchange tubes, the heat that absorption cycle medium brings, thus reach the object that phase-change material is heated; This convection device not only may be used for heating material, also may be used for phase change material releases heat, namely cold water enters from bottom-heated pipe, after phase-change material heat exchange, hot water is flowed out from the collection pipe at top, do not need additionally to do a set of heat-exchange system put hot water again, make the internal structure of phase-change thermal storage type water heater simpler.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model.
Fig. 2 is structure left view of the present utility model.
Fig. 3 is two kinds of mode of heating comparison diagrams under identical heating power condition.
Wherein, 1, shell, 2, phase-change material, the 3, first heat exchange pipe, the 4, second heat exchange pipe, 5, heating tube, 6, electric heater, 7, water intaking valve, 8, collection pipe, 9, outlet valve.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment:
As illustrated in fig. 1 and 2, a kind of natural convection heater based on phase-change heat-storage material, comprise convection device, shell 1 and the filling phase-change material 2 in shell 1 inside, convection device comprises the collection pipe 8 be arranged on above shell 1, many the heat-exchange tubes being arranged on the heating tube 5 below shell 1 and being embedded in phase-change material 2, every bar heat-exchange tube two ends are connected with collection pipe 8 and heating tube 5 respectively through phase-change material 2, heating tube 5 inside is provided with electric heater 6, collection pipe 8 and heating tube 5 be arranged in parallel, collection pipe 8 one end is provided with outlet valve 9, one end of heating tube 5 is provided with water intaking valve 7.
Many heat-exchange tube be arranged in parallel, every bar heat-exchange tube comprises the sub-pipe of the first heat exchange 3 and the sub-pipe 4 of the second heat exchange that are L-type, the two ends of the sub-pipe of the first heat exchange 3 and the sub-pipe 4 of the second heat exchange are connected to form convection loop with collection pipe 8 and heating tube 5 respectively, be provided with circulatory mediator in convection loop, circulatory mediator adopts water.
Natural convection heater also comprises temperature controller and is arranged on the temperature sensor in heating tube 5, and temperature controller is connected with temperature sensor and electric heater 6 respectively.
Outlet valve 9 and water intaking valve 7 are ball valve, motor-driven valve and/or magnetic valve.
As shown in Figure 3, under identical heating power condition, free convection heating and circulating water heating conduct and heat, the basic indifference of phase-change heat-storage material rate of rise in temperature, and the heat time is also substantially identical.
The utility model, by the circulatory mediator in heated convection loop, after circulatory mediator is heated, circulates in convection loop, in flow process, phase-change material 2 passes through many heat-exchange tubes, the heat that absorption cycle medium brings, thus reaches the object heated phase-change material 2; This convection device not only may be used for heating material, also may be used for phase-change material 2 heat release, namely cold water enters from bottom-heated pipe 5, after phase-change material heat exchange, hot water is flowed out from the collection pipe 8 at top, do not need additionally to do a set of heat-exchange system put hot water again, make the internal structure of phase-change thermal storage type water heater simpler.
Above-mentioned is can understand for ease of those skilled in the art and use utility model to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the utility model is not limited to above-described embodiment, and those skilled in the art, according to announcement of the present utility model, do not depart from improvement that the utility model category makes and amendment all should within protection domain of the present utility model.
Claims (7)
1. the natural convection heater based on phase-change heat-storage material, it is characterized in that, comprise convection device, shell (1) and the filling phase-change material (2) inner at shell (1), described convection device comprises the collection pipe (8) being arranged on shell (1) top, the heating tube (5) being arranged on shell (1) below and many heat-exchange tubes be embedded in phase-change material (2), every bar heat-exchange tube two ends are connected with collection pipe (8) and heating tube (5) respectively through phase-change material (2), described heating tube (5) inside is provided with electric heater (6), described collection pipe (8) and heating tube (5) be arranged in parallel, described collection pipe (8) one end is provided with outlet valve (9), one end of heating tube (5) is provided with water intaking valve (7).
2. a kind of natural convection heater based on phase-change heat-storage material according to claim 1, it is characterized in that, many described heat-exchange tubes be arranged in parallel, every bar heat-exchange tube comprises the first heat exchange son pipe (3) and the second heat exchange son pipe (4) that are L-type, the first described heat exchange son pipe (3) and the two ends of the second heat exchange son pipe (4) are connected to form convection loop with collection pipe (8) and heating tube (5) respectively, are provided with circulatory mediator in described convection loop.
3. a kind of natural convection heater based on phase-change heat-storage material according to claim 2, it is characterized in that, described circulatory mediator is the liquid that atmospheric boiling point is more than or equal to 100 DEG C.
4. a kind of natural convection heater based on phase-change heat-storage material according to claim 1, it is characterized in that, described natural convection heater also comprises temperature controller and is arranged on the temperature sensor in heating tube (5), and described temperature controller is connected with temperature sensor and electric heater (6) respectively.
5. a kind of natural convection heater based on phase-change heat-storage material according to claim 1, is characterized in that, described outlet valve (9) and water intaking valve (7) are ball valve, motor-driven valve and/or magnetic valve.
6. a kind of natural convection heater based on phase-change heat-storage material according to claim 1, is characterized in that, described phase-change material (2) is inorganic nano combined phase-change heat-storage material.
7. a kind of natural convection heater based on phase-change heat-storage material according to claim 3, it is characterized in that, described circulatory mediator comprises water or anti-icing fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520838732.8U CN205208891U (en) | 2015-10-27 | 2015-10-27 | Natural convection formula heater based on phase transition heat -retaining material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520838732.8U CN205208891U (en) | 2015-10-27 | 2015-10-27 | Natural convection formula heater based on phase transition heat -retaining material |
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| Publication Number | Publication Date |
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| CN205208891U true CN205208891U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520838732.8U Active CN205208891U (en) | 2015-10-27 | 2015-10-27 | Natural convection formula heater based on phase transition heat -retaining material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157209A (en) * | 2015-10-27 | 2015-12-16 | 江苏启能新能源材料有限公司 | Natural convection type heater based on phase-change heat storage materials |
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- 2015-10-27 CN CN201520838732.8U patent/CN205208891U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157209A (en) * | 2015-10-27 | 2015-12-16 | 江苏启能新能源材料有限公司 | Natural convection type heater based on phase-change heat storage materials |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Qineng Qixin New Energy Technology Co.,Ltd. Assignor: PIONEER ENERGY (JIANGSU) Co.,Ltd. Contract record no.: X2023980039559 Denomination of utility model: A Natural Convection Heater Based on Phase Change Heat Storage Materials Granted publication date: 20160504 License type: Exclusive License Record date: 20230814 |