CN101900427A

CN101900427A - Solar pool water heater

Info

Publication number: CN101900427A
Application number: CN2009100594117A
Authority: CN
Inventors: 刘永言
Original assignee: CHENGDU SHENLAN HIGH TECHNOLOGY DEVELOPMENT Co Ltd
Current assignee: CHENGDU SHENLAN HIGH TECHNOLOGY DEVELOPMENT Co Ltd
Priority date: 2009-05-26
Filing date: 2009-05-26
Publication date: 2010-12-01

Abstract

The invention relates to a solar water heating device. A rectangular glass container (1) constitutes a solar pool, and sunlight reflection and insulation layers (2) are arranged all around the solar pool; a sunlight absorption and insulation layer (5) made of double-layer vacuum glass is arranged on the south wall of the container; a water body heat absorption box (3) coated with liquid is arranged on the lower part of the container; and the water body heat absorption box (3) is provided with a water body heating area (9) and a plurality of inner guide plates (4) to enhance the effects of heat exchange and heat absorption. The solar water heating device is based on the basic principle that the absorption of the sunlight radiation heat, which is carried out by the water and the heating liquid in the solar pool, is enhanced as possible and the loss of heat caused by radiation, convection and conduction from the water and the heating liquid to the outside is reduced as possible, thus improving the efficiency of the water and the heating liquid in obtaining the solar heat energy. By using the special transparent liquid and combining the device of the above structure, the above effects are achieved, wherein the specific materials and formulas related to the liquid are disclosed otherwise.

Description

Solar pool water heater

Technical field

The invention belongs to apparatus for heating water by solar energy, this device is all different fully from the principle to the structure with common solar water heater.It is the heat energy that utilizes a kind of special material build sun, passes to the water body heating again, is to belong to field of solar energy utilization.

Background technology

Utilize solar energy to produce the device of hot water, have the typical structure as Fig. 1 at present, it is made up of all-glass vacuum thermal-collecting tube, storage tank, support and related accessories, solar energy is converted to heat energy mainly rely on glass heat-collecting vacuum tube.Thermal-collecting tube is subjected to solar radiation surface temperature height, and thermal-collecting tube opaco temperature is low, makes the water generates microcirculation and reaches required hot water.

The shortcoming of this device is that cost is higher, and solar energy utilization rate is lower.Inefficient main cause is that the arc surface of the glass heat collection tube on the face of cylinder own has reflection of light, also has pipe to be distributed with spacing, and a part of solar energy is not utilized.Thermal-collecting tube itself does not possess energy-storage function, needs other energy-accumulating water tank.

Summary of the invention

The technical problem to be solved in the present invention is to use a kind of solar pond of special water soluble materials, its pond water temperature top is low, bottom height (reaching more than 50～60 ℃), set up stable thermograde, promptly solution does not have convection current up and down, not back mixing makes solar energy be stored in the bottom, pond with form of heat, has reduced external heat radiation, convection current, the heat transfer loss in solar pond surface like this.

The special transparency liquid that the present invention uses possesses following characteristics:

1 is transparent, and solar irradiation can penetrate at the bottom of the solar pond;

2 these substance dissolves degree raise with temperature and increase, and proportion also increases thereupon, promptly at the bottom of the pond than great, pond face proportion is little, sets up stable severe gradient, concentration gradient, avoids solution convection current up and down, the temperature field long-term stability of pond body is guaranteed temperature height at the bottom of the pond.

3 these material prices are not high, and consumption is little, and does not decompose for a long time, and the nonrecurring charge input is little.

Satisfactory liquid has liquid, particular matter solution of colloid, different liquids aspect constant density difference etc.About the concrete material of these liquid and prescription have the patent introduction in addition, in this patent, repeat no more.

This patent is only introduced solar pool water heater structure and the operation principle of using special transparency liquid.Its structure is mainly one by solar radiation and the solar pond of special transparency liquid is housed, and the pool wall sensitive surface has the transparent heat insulating layer, and the pool wall reflecting surface has the reflective thermal-insulating layer.There is the water body endothermic box bottom, pond, and wall has certain distance at the bottom of endothermic box and the solar pond, to increase heat transfer area between endothermic box and the solar pond liquid.Cold water enters endothermic box and solar pond is carried out heat exchange, exports after being heated into hot water, uses for the user.Therefore, water body is few to the heat heats many, that leave that the sun absorbs, and higher heat absorption and heat accumulation efficient are arranged.

Description of drawings

The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.

Fig. 1 is the outline drawing that present solar energy produces hot water apparatus.

Fig. 2 is the perspective view of solar pool water heater basic structure of the present invention.

The specific embodiment

Fig. 2 is the perspective view of solar pool water heater basic structure of the present invention.Rectangle glass container 1, it is made of the glass plate of front, rear, left and right, the end, 5 faces, (ABCDEFGH among the figure); Container is put special transparency liquid 8, and 10 is top liquid level positions among the figure.In order to absorb sunlight preferably, the container sensitive surface is placed towards south.There are sunlight reflected heat-insulation layer 2 in the bottom in container 1 outside, back, left and right sides portion, and sunlight reflected also is utilized, and make the temperature of the special transparency liquid 8 of heating be difficult for leaving.For the more absorption southeast and the sunlight of southwestern side, the reflective thermal-insulating layer of left and right sides portion is made low early and high after shape, and the reflecting surface of sunlight reflected warming plate is made of specular material.Container towards south to wall use vacuum double glass to make to absorb sunlight heat-insulation layer 5 (UVWX among the figure), make not only can absorb sunlight but also can be incubated towards southern chamber wall.

A water body endothermic box 3 is arranged at the bottom of rectangle glass container 1, and it is a flat rectangle box body (MNOPQRST among the figure), makes with glass plate, and pane container 1 is not had leakage fully.Water body endothermic box 3 and the bottom of pane container 1 and all around wall all keep a distance, surrounded by pane container 1 interior special transparency liquid 8.In fact box body is by location that some little glass plates support, and for the purpose of diagrammatic sketch was clear, the little glass plate that supports the location among the figure did not show.In this water body endothermic box 3 deflector 4 is arranged, the water that flows through forms baffling, increases the heat exchange effect.

The outlet pipe 7 of the water inlet pipe 6 of cold water and output hot water, the vacuum double glass that passes container 1 absorbs heat-insulation layer 5, is connected to the left and right sides in water body endothermic box 3 the place aheads.Current are through the water body endothermic box, accept the heat transfer of outside special transparency liquid 8 and directly sunlight and the heating that flashes back the sunlight obtain heat, be heated to be hot water.Deflector 4 in the water body endothermic box can improve some heat exchange effects.

Special transparency liquid 8 surrounds water body endothermic box 3, because liquid 8 is the materials with convection properties, is again the non-conductor of heat.After the direct sunlight of water quilt in the water body endothermic box 3 and the heating that flashes back the sunlight, its heat is difficult for scattering and disappearing with conducting by convection current.The efficient that makes sunlight add hot water improves.

Pass out to the hot water that outside water storage is incubated jar from outlet pipe 7,, can use general solar water heater gravity flow circulation theory to continue to return water inlet pipe 6, continued to be heated as not being used.And because of the special transparency liquid of apparatus of the present invention has very big heat energy capacity, even at night, the heat that still can utilize special transparency liquid to store adds the hot water endothermic box, obtains hot water.

In order to keep the special transparency liquid cleaning of this water heater, can add transparency cover at the water heater top, the surface of transparency cover and ground inclination so that clean naturally with rainwater, keep transparency.

Claims

1. solar pool water heater that uses special water soluble materials, this solar pond main body is a rectangle glass container 1: its outside is covered with sunlight reflected heat-insulation layer 2, be covered with the absorption sunlight heat-insulation layer made from vacuum double glass 5 towards south, the water body endothermic box 3 of bottom is surrounded by special transparency liquid 8, it is characterized in that: rectangle glass container 1 is made of the glass plate of front, rear, left and right, the end, 5 faces, and the container sensitive surface is placed towards south.

2. according to the described solar pool water heater of claim 1, it is characterized in that: there are sunlight reflected heat-insulation layer 2 in the bottom in rectangle glass container 1 outside, back, left and right sides portion, left and right sides portion reflecting surface is made low early and high after shape, and specular material is adopted on the surface.

3. according to the described solar pool water heater of claim 1, it is characterized in that: a water body endothermic box 3 is arranged at the bottom of rectangle glass container 1, water body endothermic box 3 is flat rectangle box bodys, with the bottom of pane container 1 and all around wall all keep a distance, box body is surrounded by the special transparency liquid 8 in the pane container 1 by location that some little glass plates support.

4. according to the described water body endothermic box 3 of claim 3, it is characterized in that: in this water body endothermic box 3 deflector 4 is arranged, the water that flows through forms baffling.