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CN104697207A - Heat-accumulating and heat-insulating water storage device of solar water heater - Google Patents

Heat-accumulating and heat-insulating water storage device of solar water heater Download PDF

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CN104697207A
CN104697207A CN 201510076424 CN201510076424A CN104697207A CN 104697207 A CN104697207 A CN 104697207A CN 201510076424 CN201510076424 CN 201510076424 CN 201510076424 A CN201510076424 A CN 201510076424A CN 104697207 A CN104697207 A CN 104697207A
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heat
water
storage
insulating
accumulating
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CN 201510076424
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Chinese (zh)
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俞准
贺进安
贺文俊
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湖南哲能赫新能源有限责任公司
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy

Abstract

A heat-accumulating and heat-insulating water storage device of a solar water heater comprises a barrel body, wherein a phase-change energy storage material is arranged in a heat-accumulating and heat-insulating layer of the barrel body; when the heat-accumulating and heat-insulating water storage device absorbs heat, the phase-change energy storage material changes from a solid state to a liquid state for absorbing heat; when the heat-accumulating and heat-insulating water storage device releases heat, the phase-change energy storage material changes from a liquid state to a solid state for releasing heat; the phase-change energy storage material can be 40-60# paraffin, the specific paraffin grade is selected according to the set temperature of hot water, and the filling way of the paraffin is liquid filling. The heat-accumulating and heat-insulating water storage device can reduce outward heat dissipation of a water storage tank, and greatly improves the heat-insulating effect of the water storage tank; the high-efficiency heat-insulating water tank provided by the invention can retain the temperature drop of water in the water tank to 5 DEG C or below after the night time.

Description

一种太阳能热水器的蓄热保温储水装置 A solar thermal storage water heater heat storage means

技术领域 FIELD

[0001] 本发明涉及一种储热设备应用领域,特别是太阳能热水器的蓄热保温储水装置。 [0001] The present invention relates to one kind of heat storage applications, especially solar thermal storage water heater heat storage means.

背景技术 Background technique

[0002] 太阳能热水器已成为人们居家生活中的常用商品,由于其安全、节能、环保,已越来越受到消费者的青睐。 [0002] solar water heater home life has become common goods, because of its safety, energy conservation, environmental protection has become increasingly favored by consumers. 而传统太阳能热水器储水箱的保温是在其内胆与外壳之间充填一层厚厚的聚氨酯材料,利用聚氨酯材料的热传导性差的特性来隔断热量的向外传递;也有产品在聚氨酯材料与外壳、内胆之间贴上一层热反射膜,用以减少热量的耗散。 The traditional solar water heater tank insulation is filled in the housing between the liner and the thick layer of polyurethane material, the use of poor thermal conductivity properties of the polyurethane material to cut off the heat transmitted outwardly; product polyurethane material also in the housing, paste layer of thermal reflective film between the liner to reduce heat dissipation. 由于聚氨酯材料的隔热效果差,蓄热能力低,且不能向储水箱提供热量等缺点,储水箱散热量仍然较大,保温效果难以达到用户要求;尤其在寒冷地区,保温问题更加突出;通过实地测试,在夏热冬冷地区经过一个夜晚时间,储水箱中水温降通常可达到8-15°C,极大影响太阳能热水器的使用,因此储水箱的保温问题是限制太阳能热水器有效满足用户对热水温度要求的重要原因。 Since the insulating effect of the polyurethane material is poor, the low heat storage capacity, and can not provide heat to the storage tank and other shortcomings, still a large amount of heat storage tank, the insulation effect is difficult to achieve customer requirements; especially in cold areas, the insulation is even more prominent; by field tests in summer and cold winter night time elapsed, the temperature drop in the tank is typically up to 8-15 ° C, greatly affect the use of solar water heaters, thus holding tank problem is to limit users to effectively meet the solar water heater an important reason for the hot water temperature requirements.

发明内容 SUMMARY

[0003] 为了解决现有太阳能热水器储水箱保温效果差的问题,本发明给出了一种太阳能热水器的蓄热保温储水装置。 [0003] In order to solve the conventional solar water heater storage tank problem of poor insulation effect, given the present invention, a solar thermal storage heat storage water heater apparatus.

[0004] 这种太阳能热水器的蓄热保温储水装置,包括筒体,其特征在于,筒体的蓄热保温层中,放置有相变蓄能材料,当储水装置吸热时,相变蓄能材料由固态变为液态吸热,当储水装置放热时,相变蓄能材料由液态变为固态放热。 [0004] This solar water heater heat storage heat storage means, comprising a cylinder, characterized in that the cylindrical heat storage insulating layer, a phase change energy storage material is placed, when the water storage device endothermic phase transition accumulator from a solid to a liquid absorbing material, when the heat storage apparatus, the phase change energy storage material from a liquid to a solid state heat.

[0005] 相变蓄能材料可为40号-60号的石蜡,具体的石蜡标号根据热水设定温度进行选择,石蜡填充装入方式为液态灌入。 [0005] The phase change energy storage material may be paraffin No. No. 40-60, particularly paraffin reference set temperature selected according to the hot water, a liquid paraffin is poured into the filling charged manner.

[0006] 筒体包括圆筒、上盖和下底,圆筒由内至外包括内胆、蓄热保温层及外壳保护层,蓄热保温层是由相变蓄能材料与传统保温材料共同构成,这两种材料构成填充厚度比例为2:1至1:1 ;相变蓄能材料与传统保温材料之间安装有隔板。 [0006] The cylinder comprises a cylinder, an upper cover and a lower bottom, comprises a cylindrical liner from the inside to the outside, the heat storage layer insulation layer and the protective housing, the heat storage insulating layer is a phase change energy storage material together with conventional insulation materials configuration, the two materials constituting the filler thickness ratio of 2: 1 to 1: 1; with a separator installed between the phase change energy storage material with conventional insulation materials.

[0007] 上盖和下底均设置有40_60mm的保温层,保温层的保温材料为聚氨酯材料。 [0007] The upper and lower substrates each provided with the insulating layer 40_60mm, insulation materials insulation layer is a polyurethane material.

[0008] 外壳可采用彩钢板、镀铝锌板或不锈钢板。 [0008] The shell is color steel, galvanized plate or stainless steel plate.

[0009] 内胆可采用不锈钢、搪瓷等材质。 [0009] The liner can be stainless steel, enamel and other materials.

[0010] 传统保温材料为玻璃棉、聚氨酯或各种植物纤维。 [0010] Traditional glass wool insulation material, polyurethane, or a variety of plant fibers.

[0011] 相变蓄能材料与隔板之间根据保温需求选择性设置薄型保温膜或/和热反射膜。 [0011] The phase-change heat demand is selectively disposed between the accumulator and separator material thin insulation film and / or heat reflecting film.

[0012] 热反射膜为耐高温、耐腐蚀型,可为铝膜。 [0012] The heat reflecting film is a high temperature, corrosion resistant, may be an aluminum film.

[0013] 薄型保温膜为防水型,导热系数不高于0.lW/m*K,厚度不大于5_,可为塑料薄膜或发泡牛皮纸。 [0013] The thin film is a waterproof thermal insulation, thermal conductivity not higher than 0.lW / m * K, a thickness of not more than 5_, plastic film or foam may be kraft paper.

[0014] 石蜡为优良的储热材料,其熔点为57-63° C,密度为0.87-0.92,比热为2.14-2.9焦/克.度,设石蜡熔化热或凝固热为P2,石蜡的质量为W2,有效热传导系数B,B小于I ;水箱中水的质量为Wl,水的比热为PI,水箱中的水降低温度为T,则有: TXffl XPl= W2X P2XB W2/ Wl=TX Pl/ P2XB [0014] Paraffin is excellent in the heat storage material having a melting point of 57-63 ° C, density of 0.87-0.92, the specific heat of 2.14-2.9 J / g. °, paraffin provided a heat of fusion or heat of solidification of P2, paraffin quality W2, the effective thermal conductivity of B, B is less than I; mass of water in the tank is Wl, specific heat of water PI, water in the tank to reduce the temperature is T, there are: TXffl XPl = W2X P2XB W2 / Wl = TX Pl / P2XB

以水箱中的水降低温度τ=10° C,B=0.9计算,Ρ2为210焦/克,Pl=0.43焦/克.度,所损失的热量由石蜡的熔化热进行补充:W2/ Wl=TX Pl/ Ρ2ΧΒ =10度X0.43焦/克.度/210 焦/ 克Χ0.9=0.023 . In water in the tank to reduce the temperature of τ = 10 ° C, B = 0.9 is calculated, [rho] 2 is 210 J / g, Pl = 0.43 J / g of heat lost supplemented by the heat of fusion paraffin: W2 / Wl = TX Pl / Ρ2ΧΒ = 10 ° X0.43 J / g. ° / 210 J / g Χ0.9 = 0.023

由以上的推导可以看出,夜间如果要补充水箱中的水降低10度的热量,所需石蜡的质量为水质量的2.3%。 As can be seen from the above derivation, if the night to add water in the tank 10 degrees to reduce the heat, the required mass of wax is 2.3% by mass of water.

[0015] 所述的相变蓄能材料作用在于:白天吸收太阳能的热量,储存于液态的相变蓄能材料里,晚上随着储水箱中水温的降低,相变蓄能材料由液态变为固态,蓄能材料进行相变放热,从而明显减少储水箱中水温的下降速率;所述热反射膜及薄型保温膜,热反射膜膜具有反射热量的作用,内胆中的热量和相变蓄能材料中的热量则不容易向外传递,从而达到了保温的效果;所述薄型保温膜,由于其导热系数较低,可以进一步起到保温作用。 Effect of phase change material [0015] The energy accumulator that: the solar heat absorbed during the day, stored in a phase change energy storage material in the liquid, the tank in the evening with decreasing temperature, the phase change energy storage material from a liquid to solid, the exothermic phase change energy storage material, thereby significantly reducing the rate of decrease in temperature of the tank; the heat reflecting thin film and insulation film, a heat reflecting coating film having a reflection effect of the heat, and the heat of the phase change liner thermal energy storage material is not easy to pass outwardly, so as to achieve a thermal effect; the thin insulation film, due to its low thermal conductivity can be further play a role in thermal insulation.

[0016] 本发明可以减少储水箱向外散发热能,并且大大提高储水箱的保温作用,本发明所涉及的高效保温储水箱,在经过夜晚时段后,可使水箱中的水温降保持在5°C以下。 [0016] The present invention can reduce the thermal energy storage tank for distributing outwardly, and greatly improving the insulation effect of the tank, efficient heat storage tank according to the present invention, after the night time period, make the temperature drop in the tank is maintained at 5 ° C.

附图说明 BRIEF DESCRIPTION

[0017] 附图1为热水器储热设备圆筒剖面示意图附图2为高效蓄能保温装置结构示意图 [0017] Figure 1 is a cylindrical heat storage water heaters Figure 2 is a schematic sectional view of the structure of the energy storage device insulation and efficient

其中,1-外壳;2_聚氨脂材料;3_隔板;4_热反射膜;5_薄型保温膜;6_相变蓄能材料;7-内胆;8-上盖;9-排气口; 10-补水口; 11-温度及水位传感器;12-圆筒;13-热水出水口; 14-排污口;15_电加热装置;16-下底。 Wherein 1- housing; 2_ polyurethane material; 3_ separator; 4_ heat reflecting coating; 5_ thin insulation film; 6_ phase change energy storage material; 7- interior; 8- cover; 9- an exhaust port; 10- replenishment port; 11- temperature and water level sensor; 12- cylinder; 13- hot water outlet; 14- outfall; 15_ electrical heating means; 16- lower base.

具体实施方式 detailed description

[0018] 下面结合附图对本发明的实施例做进一步详细的描述: [0018] The following embodiments in conjunction with the accompanying drawings of embodiments of the present invention are described in further detail:

这种太阳能热水器的蓄热保温储水装置,包括筒体,筒体的蓄热保温层中,放置有相变蓄能材料,当储水装置吸热时,相变蓄能材料由固态变为液态吸热,当储水装置放热时,相变蓄能材料由液态变为固态放热。 Regenerative heat storage means such solar water heaters, comprising a barrel, the barrel of the heat storage insulating layer, a phase change energy storage material is placed, when the water storage device endothermic phase change energy storage material from the solid state to absorbing liquid, when the heat storage apparatus, the phase change energy storage material from a liquid to a solid state heat. 根据热水设定温度为60° C进行选择,相变蓄能材料为50号的石蜡,石蜡填充装入方式为液态灌入。 Be selected according to the hot water set temperature of 60 ° C, the phase change energy storage material No. 50 Paraffin, liquid paraffin was poured into the filled loaded manner. 筒体包括圆筒、上盖和下底。 Comprising a cylindrical barrel, the upper and lower substrates.

[0019] 如图1,圆筒12从里到外依次包括内胆7、相变蓄能材料6,薄型保温膜5、热反射膜4、隔板3、聚氨酯材料2及外壳I。 [0019] FIG 1, cylinder 12 includes, in order from the inside to the outside liner 7, the phase change energy storage material 6, a thin insulation film 5, heat reflecting film 4, a separator 3, a polyurethane shell material 2 and I. 内胆7采用不锈钢材质,相变蓄能材料6为50号的石蜡,薄型保温膜5为防水型,导热系数为0.05ff/m.Κ、厚度为1_的塑料薄膜,热反射膜4为耐高温、耐腐蚀型的铝膜,外壳I采用不锈钢板。 Stainless steel liner 7, the phase change energy storage material 6 paraffin No. 50, the insulation film 5 is a thin waterproof, thermal conductivity 0.05ff / m.Κ, the thickness of the plastic film 1_, heat reflecting coating 4 high temperature, corrosion resistant aluminum film, stainless steel plate housing I.

[0020] 在图2中,筒体包括圆筒12、上盖8和下底16,上盖8上有排气口9,圆筒12上部有补水口10,下部有热水出水口13,圆筒12底部有排污口14,圆筒12的内壁安装有温度及水位传感器11,圆筒12的内部安装有电加热装置15,上盖8和下底17均设置有50mm的聚氨酯保温层,温度传感器和电加热装置15电连接,当筒体中的水低于或高于设定温度时,电加热装置15就会启动或关闭。 [0020] In FIG. 2, includes a cylinder barrel 12, the upper cover 8 and the lower bottom 16, an exhaust port 9 on the upper cover 8, the cylinder 12 has an upper replenishment opening 10, a lower portion 13 with a hot water outlet, 12 outfall bottom of the cylinder 14, is attached to an inner wall of the cylinder 12 and the water temperature sensor 11, the cylinder 12 is mounted inside the electrical heating device 15, the upper cover 8 and the lower substrate 17 are provided with a layer of 50mm polyurethane insulation, temperature sensor and the electrical heating means 15 is electrically connected, when the cartridge is lower or higher than the set water temperature, the electric heating means 15 will enable or disable.

Claims (10)

  1. 1.一种太阳能热水器的蓄热保温储水装置,包括筒体,其特征在于,筒体的蓄热保温层中,放置有相变蓄能材料,当储水装置吸热时,相变蓄能材料由固态变为液态吸热,当储水装置放热时,相变蓄能材料由液态变为固态放热。 A solar thermal storage water heater heat storage means, comprising a barrel, wherein the barrel of the heat storage insulating layer, a phase change energy storage material is placed, when the water storage device endothermic phase change storage can be from a solid to a liquid absorbing material, when the heat storage apparatus, the phase change energy storage material from a liquid to a solid state heat.
  2. 2.根据权利要求1所述的一种太阳能热水器的蓄热保温储水装置,其特征在于,相变蓄能材料为40号-60号的石蜡,具体的石蜡标号根据热水设定温度进行选择,石蜡填充装入方式为液态灌入。 The heat storage water heaters, solar thermal storage apparatus according to claim 1, wherein the phase change energy storage material is a paraffin No. No. 40-60, particularly paraffin reference set temperature according to the hot water Alternatively, liquid paraffin was poured into the filled loaded manner.
  3. 3.根据权利要求1所述的一种太阳能热水器的蓄热保温储水装置,其特征在于,筒体包括圆筒、上盖和下底,圆筒由内至外包括内胆、蓄热保温层及外壳保护层,蓄热保温层是由相变蓄能材料与传统保温材料共同构成,这两种材料构成填充厚度比例为2:1至1:1 ;相变蓄能材料与传统保温材料之间安装有隔板。 The heat storage water heaters, solar thermal storage apparatus of claim 1, wherein the tubular body comprises a cylindrical, upper and lower bottom claims, comprising a cylinder liner from the inside to the outside, the heat storage thermal insulation shell layer and the protective layer, the heat storage insulating layer is formed of a phase change energy storage together with conventional materials insulation materials, filling materials both thickness ratio of 2: 1 to 1: 1; conventional phase change energy storage material and the insulation material installed bulkhead between.
  4. 4.根据权利要求1所述的一种太阳能热水器的蓄热保温储水装置,其特征在于,上盖和下底均设置有40-60_的保温层,保温层的保温材料为聚氨酯材料。 The heat storage water heaters, solar thermal storage apparatus according to claim 1, characterized in that the upper and lower substrates each provided with a 40-60_ insulation, the insulation material of the insulation layer is a polyurethane material.
  5. 5.根据权利要求1所述的一种太阳能热水器的蓄热保温储水装置,其特征在于,外壳采用彩钢板、镀铝锌板或不锈钢板。 5. A solar thermal storage water heater heat storage apparatus according to claim 1, characterized in that the housing color steel, galvanized or stainless steel plate.
  6. 6.根据权利要求1所述的一种太阳能热水器的蓄热保温储水装置,其特征在于,内胆采用不锈钢或搪瓷材质。 Regenerative heat storage means as claimed in claim 6. A solar water heater according to claim 1, characterized in that the liner made of stainless steel or enamel material.
  7. 7.根据权利要求1所述的一种太阳能热水器的蓄热保温储水装置,其特征在于,相变蓄能材料与隔板之间根据保温需求选择性设置薄型保温膜或/和热反射膜;热反射膜为耐高温、耐腐蚀型,为铝膜Γ薄型保温膜为防水型,导热系数不高于0.1ff/mK,厚度不大于5mm,为塑料薄膜或发泡牛皮纸。 The heat storage water heaters, solar thermal storage apparatus according to claim 1, characterized in that the phase transition between the selectively provided according to the needs of the accumulator material and the insulation thin insulation film separator and / or heat reflecting film ; heat reflecting film is a high temperature, corrosion resistant, thin aluminum film Γ insulation film is a waterproof type, not higher than the thermal conductivity 0.1ff / mK, thickness not greater than 5mm, a plastic film or a foamed kraft paper.
  8. 8.根据权利要求1所述的一种太阳能热水器的蓄热保温储水装置,其特征在于,圆筒(12)从里到外依次包括内胆(7)、相变蓄能材料(6),薄型保温膜(5)、热反射膜(4)、隔板(3)、聚氨酯材料(2)及外壳(I);内胆(7)采用不锈钢材质,相变蓄能材料(6)为50号的石蜡,薄型保温膜(5)为防水型,导热系数为0.05W/m*K、厚度为Imm的塑料薄膜,热反射膜(4)为耐高温、耐腐蚀型的铝膜,外壳(I)采用不锈钢板。 The heat storage water heaters, solar thermal storage apparatus according to claim 1, characterized in that the cylinder (12) comprises, in order from the inside to the outside of the liner (7), a phase change energy storage material (6) , a thin insulation film (5), the heat reflecting coating (4), a separator (3), the polyurethane material (2) and the housing (the I); liner (7) made of stainless steel, a phase change energy storage material (6) Paraffin No. 50, the insulation thin film (5) is a waterproof, thermal conductivity of 0.05W / m * K, plastic film having a thickness of Imm, heat reflecting film (4) high temperature resistant, corrosion resistant aluminum film, housing (I) stainless steel plate.
  9. 9.根据权利要求1所述的一种太阳能热水器的蓄热保温储水装置,其特征在于,筒体包括圆筒(12)、上盖(8)和下底(16),上盖(8)上有排气口(9),圆筒(12)上部有补水口(10),下部有热水出水口(13),圆筒(12)底部有排污口(14),圆筒(12)的内壁安装有温度及水位传感器(11),圆筒(12)的内部安装有电加热装置(15),上盖(8)和下底(17)均设置有50_的聚氨酯保温层,温度传感器和电加热装置(15)电连接,当筒体中的水低于或高于设定温度时,电加热装置(15)就会启动或关闭。 9. The heat storage water heaters, solar thermal storage apparatus according to claim 1, wherein the tubular body includes a cylinder (12), the cover (8) and a lower bottom (16), the cover (8 there are a) an exhaust port (9), the cylinder (12) has an upper replenishment opening (10), a lower hot water outlet (13), the cylinder (12) has a bottom discharge opening (14), the cylinder (12 ) is attached to the inner wall temperature and water level sensor (11), the inner cylinder (12) attached to electrical heating means (15), the cover (8) and a lower bottom (17) provided with polyurethane insulation layer 50_ of electrical heating means and a temperature sensor (15) is electrically connected, when the cartridge is lower or higher than the set water temperature, electrical heating means (15) starts off.
  10. 10.根据权利要求1所述的一种太阳能热水器的蓄热保温储水装置,其特征在于,石蜡用量的计算方法为:设石蜡熔化热或凝固热为P2,石蜡的质量为W2,有效热传导系数B,B小于I ;水箱中水的质量为Wl,水的比热为Pl,水箱中的水降低温度为T,则有: TXffl XPl= W2X P2XB W2/ Wl=TX Pl/ P2XB。 Regenerative heat storage means as claimed in claim 10. A solar water heater according to claim 1, characterized in that the paraffin wax used in an amount calculated as: paraffin provided a heat of fusion heat coagulation or P2, as W2 of paraffin mass, the effective thermal conductivity factor B, B is less than I; mass of water in the tank is Wl, the specific heat of water is Pl, lowering the temperature of water in the tank is T, there are: TXffl XPl = W2X P2XB W2 / Wl = TX Pl / P2XB.
CN 201510076424 2015-02-13 2015-02-13 Heat-accumulating and heat-insulating water storage device of solar water heater CN104697207A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105841372A (en) * 2016-05-20 2016-08-10 兰州理工大学 Solar anti-freezing device

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US4407268A (en) * 1980-04-03 1983-10-04 Jardin Albert C Solar furnace
CN201706689U (en) * 2010-06-23 2011-01-12 广东长菱空调冷气机制造有限公司 Phase-change heat storage type heat pump water heater water tank
CN202565939U (en) * 2012-04-17 2012-12-05 渠述欣 Full-automatic water-saving constant temperature drinking water device
CN103836825A (en) * 2012-11-21 2014-06-04 张翼飞 Water tank of solar water heater
CN203810774U (en) * 2014-04-16 2014-09-03 昆明理工大学 Solar heat preservation water tank

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Publication number Priority date Publication date Assignee Title
US4407268A (en) * 1980-04-03 1983-10-04 Jardin Albert C Solar furnace
CN201706689U (en) * 2010-06-23 2011-01-12 广东长菱空调冷气机制造有限公司 Phase-change heat storage type heat pump water heater water tank
CN202565939U (en) * 2012-04-17 2012-12-05 渠述欣 Full-automatic water-saving constant temperature drinking water device
CN103836825A (en) * 2012-11-21 2014-06-04 张翼飞 Water tank of solar water heater
CN203810774U (en) * 2014-04-16 2014-09-03 昆明理工大学 Solar heat preservation water tank

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* Cited by examiner, † Cited by third party
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CN105841372A (en) * 2016-05-20 2016-08-10 兰州理工大学 Solar anti-freezing device

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