CN203687413U

CN203687413U - Solar air heating machine

Info

Publication number: CN203687413U
Application number: CN201420036003.6U
Authority: CN
Inventors: 王文杰; 王炳祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-21
Filing date: 2014-01-21
Publication date: 2014-07-02
Anticipated expiration: 2024-01-21

Abstract

The utility model belongs to the field of solar medium temperature utilization and particularly relates to a solar air heating machine. The solar air heating machine comprises a sealed energy storage tank and a solar thermal collector, the energy storage tank is provided with an outer wall and an inner wall, a vacuum interlayer is formed between the outer wall and the inner wall, the energy storage tank is filled with a solid heat storage medium, after a heat conduction tube is arranged in the solid heat storage medium in a spiral shape, the two ends of the heat conduction tube are exposed out of the energy storage tank, the heat conduction medium flowing in the heating conduction tube is heated by the solar thermal collector, and the energy storage tank is further provided with an air input pipe and an air output pipe. By means of the solar air heating machine, energy collected by the solar thermal collector is transmitted to the heat conduction medium in the heat conduction tube, so that air entering the energy storage tank from the air input pipe can take away the energy in the solid heat storage medium, and hot air is formed. Solar energy of the solar air heating machine well converts the solar energy into the hot air for drying, and the device is ingenious in structure, low in cost and particularly suitable for industrial use.

Description

A kind of solar energy air-heater

Technical field

The utility model belongs to temperature in solar energy and utilizes field, specifically a kind of solar energy air-heater.

Background technology

Heated-air drying is one of modern drying means, normally in baking oven or drying chamber, is blown into the drying means that hot blast is accelerated Air Flow; Heated-air drying needs hot air source; traditional hot blast production method flows thermal source ambient air by blower fan; and make it blow to heating object surface; the thermal source here uses electric heating or burning coal etc. to provide conventionally; conventionally can waste a large amount of energy; and can cause very large pollution, be not suitable for sustainable development road.

Solar energy is clean as one, free of contamination new forms of energy, and exploitation is in recent years comparatively rapid, but in various solar energy new equipments, relates to for technology and equipment that in solar energy, temperature is utilized seldom, has limited greatly the application of solar energy.

Utility model content

In order to solve the problems of the technologies described above, the utility model provides a kind of solar energy air-heater that can utilize solar energy to produce dry-heat air.

The utility model for solving the problems of the technologies described above adopted technical scheme is: a kind of solar energy air-heater, comprise the energy storage canister of sealing and the solar thermal collector that utilizes solar energy to heat, the tube wall of described energy storage canister is made up of outer wall and inwall, between outer wall and inwall, form vacuum interlayer, on energy storage canister, be also provided with feeding port, in energy storage canister, be filled with solid heat-storage medium, the heat pipe of arranging is in the shape of a spiral wrapped in solid heat-storage medium, the two ends of heat pipe pass at the bottom of the tank of energy storage canister, and with in solar thermal collector, be connected for the heating container of storing heat-conducting medium, on described energy storage canister, be also provided with blast pipe for inputting cool breeze and for exporting the discharge pipe of hot blast, in solid heat-storage medium, be distributed with the hole of supplied gas circulation.

As further setting, described blast pipe extends in fixing heat-storage medium, can make the air entering fully contact with the solid heat-storage medium in energy storage canister, and carry out sufficient heat exchange, produce the sufficiently high hot blast of temperature, in order further to improve effect, the part that can be arranged in energy storage canister at blast pipe is provided with multiple little wind holes.

As further setting, one end that described discharge pipe is positioned at energy storage canister is provided with end cap, offers multiple apertures on end cap, can avoid solid heat-storage medium to stop up discharge pipe.

As further setting, on described heat pipe, be provided with control valve, when sunray is weak or the moment at night, realize the control to the heat-conducting medium break-make in heat pipe by control valve.

Described blast pipe and discharge pipe are all located in feeding port, and the top of feeding port is provided with the end socket of sealing use.

On energy storage canister, be also provided with the exhaust tube for maintaining its vacuum interlayer vacuum, exhaust tube is provided with vacuum detecting table, and its port is also provided with non-return valve and screw thread.

In order further to improve the heat insulation effect of energy storage canister, in described vacuum interlayer, be also provided with adiabator layer, described adiabator layer is made up of the foam glass that is attached to the masking foil of inboard wall outer surface and overlay on masking foil, foam glass herein also can be substituted by aerogel blanket, foamed plastics, mineral wool goods etc., vacuum interlayer, masking foil, foam glass run off from the energy of conduction, radiation, convection current three aspects: blocking-up energy storage canister inside respectively, improve to the full extent its heat-insulating property.

As a kind of preferred structure, also be provided with a cavity by solar thermal collector heating, the two ends of heat pipe are all communicated with cavity, on heat pipe, be also provided with circulating pump, make the circulation that circulates between heat pipe and cavity of heat-conducting medium in heat pipe, cavity herein also can directly be selected the heat collector cavity on existing solar thermal collector, as long as can realize, the heat-conducting medium in heat pipe is heated, heat pipe is provided with control valve, the circulation break-make of controlled heat-conducting medium processed.

Beneficial effect: a kind of solar energy air-heater of the utility model combines solar thermal collector with set energy storage canister, the energy that solar thermal collector is collected passes to the heat-conducting medium in heat pipe, pass in the solid heat-storage medium contacting with heat pipe by the mobile of heat-conducting medium, like this, the air entering energy storage canister from blast pipe can be taken away the energy in solid heat-storage medium, form hot blast, from discharge pipe, blow out, under solar thermal collector duty, this process constantly circulates, discharge pipe just can provide hot blast endlessly, the utility model has well changed into solar energy dry with hot blast, device structure is ingenious, cost of manufacture is cheap, pollution-free as dry wind source clean, being particularly suitable for industrialization uses.

Brief description of the drawings

Fig. 1 is cutaway view of the present utility model;

Fig. 2 is the structure chart of a kind of embodiment of blast pipe of the present utility model;

Fig. 3 is the structure chart of a kind of embodiment of discharge pipe of the present utility model.

Mark in figure: 1, outer wall, 2, inwall, 3, blast pipe, 301, wind hole, 4, discharge pipe, 5, solid heat-storage medium, 6, heat pipe, 7, vacuum end socket, 8, end cap, 801, aperture, 9, control valve, 10, cavity, 11, feeding port, 12, heat resisting brick, 13, exhaust tube.

Detailed description of the invention

Below in conjunction with brief description of the drawings detailed description of the invention of the present utility model, a kind of solar energy air-heater, as shown in Figure 1, comprise energy storage canister and the solar thermal collector of a sealing, between the outer wall 1 of energy storage canister and inwall 2, form vacuum interlayer, in order further to strengthen the heat-insulating property of energy storage canister, can be in its vacuum interlayer fill insulant material layer, in order to reach heat insulation and preservation effect thoroughly, the adiabator layer of filling is here selected following structure, be close to inwall 2 outer surfaces by one deck masking foil, then on masking foil, cover again one deck foam glass or aerogel blanket, foamed plastics, mineral wool goods etc., vacuum interlayer, masking foil and foam glass philosophy are from convection current, radiation, the energy of the isolated energy storage canister of conduction three aspects: inside runs off, ensure to the full extent the storage of energy.

Energy storage canister is provided with feeding port 11, in from feeding port 11 to energy storage canister, fill solid heat-storage medium 5, be arranged in the heat pipe 6 of energy storage canister after solid heat-storage medium 5 spirals are arranged, its two ends pass at the bottom of the tank of energy storage canister, in heat pipe 6, hold conduction oil or other heat transfer medium, its two ends of exposing are communicated with solar thermal collector, solar thermal collector is by the heat-conducting medium heating in heat pipe 6, by the circulating pump of peripheral hardware, heat-conducting medium is circulated between energy storage canister and solar heat collector, energy is passed to the solid energy storage medium 5 in energy storage canister; On energy storage canister, be also provided with blast pipe 3 and discharge pipe 4, blast pipe 3 will extend in solid energy storage medium 5, air blast is sent into air by blast pipe 3 in energy storage canister, multiple little wind holes 301 can also be set on blast pipe 3, as shown in Figure 2, wind energy in blast pipe is enough better disperseed in solid heat-storage medium 5, and energy is wherein taken away, blow out from discharge pipe 4 thereby form hot blast.

The bottom of energy storage canister is covered with heat resisting brick 12, place again in addition some conventional insulation materials, in addition, in order to keep the vacuum of vacuum interlayer of energy storage canister, exhaust tube 13 can be set on energy storage canister, exhaust tube 13 one end extend in vacuum interlayer, the other end exposes, vacuum detecting table also will be set on exhaust tube 13, detect the vacuum of vacuum interlayer for the moment, when vacuum drops to certain numerical value, make vacuum interlayer there is a higher vacuum extraction by negative pressure source, the one end of exposing at it also needs to arrange non-return valve and screw thread, the anti-backflow of non-return valve, screw thread makes exhaust tube can be good at being connected with negative pressure source.

For energy storage canister can be better communicated with solar thermal collector, a cavity 10 by solar thermal collector heating can be set, the two ends of heat pipe 6 are all communicated with cavity 10, on heat pipe 6, be also provided with circulating pump, make the circulation that circulates of heat-conducting medium in heat pipe between heat pipe and cavity, can certainly directly the heat collector cavity of solar thermal collector be communicated with heat pipe, complete the circulation circulation of heat-conducting medium.

For the selection of energy storage canister, can select stainless steel to make, be provided with one end of blast pipe 3 and discharge pipe 4 for it, a vacuum end socket 7 can be set in addition by its covering, and make accordingly blast pipe 3, discharge pipe 4 pass vacuum end socket 7, with reduce solid heat-storage medium 5 by blast pipe 3, discharge pipe 4 with the mode of the conduction energy that runs off.

For solid energy storage medium 5, can select the good block Black Warrior stone of heat accumulation, certainly also can use other to there is the block solid matter of better thermal storage performance, when heat-storage medium particle used hour, stop up discharge pipe 4 for fear of it, the one end that need to be arranged in energy storage canister at discharge pipe 4 arranges an end cap 8, offers multiple apertures 801 on end cap, as shown in Figure 3, avoid discharge pipe 4 to be stopped up by tiny heat-storage medium.

For solid energy storage medium 5, in fact also can be replaced by liquid energy-accumulating medium, but should be noted that while use, this liquid energy-accumulating medium will have lower volatility and higher fluidizing point, object is to cause in discharge pipe 4 and blow out the hot blast with heat-storage medium for fear of the volatilization of liquid, still, if as specific purposes, for example need volatile liquid energy-accumulating medium to use as spraying, can ignore the above-mentioned kind to liquid energy-accumulating medium and select requirement.

For heat pipe 6, select corrugated stainless steel tubing relatively good, for the connected component of itself and solar heat collector, need covering insulation material in the above, or direct sheathed insulating tube, to stop the loss of energy, heat pipe 6 two ends are all communicated with the calandria of solar heat collector, to utilize solar energy by the heat-conducting oil heating in heat pipe, the solar heat collector of mentioning in the utility model belongs to ripe prior art, for example some solar steam generators, or solar water heater etc., all can be connected with the utility model use.

The part that heat pipe 6 is positioned at outside energy storage canister also will arrange control valve 9, for weak at light or there is no light in block the circulation of the conduction oil in heat pipe, certainly, providing power to make the conduction oil in heat pipe 6 can the power set of cycle operation be also very common between energy storage canister and solar heater, for example oil pump or other circulating pump.

The utility model is not narrated part for prior art.

Claims

1. a solar energy air-heater, comprise the energy storage canister of sealing and the solar thermal collector that utilizes solar energy to heat, the tube wall of described energy storage canister is made up of outer wall (1) and inwall (2), between outer wall and inwall, form vacuum interlayer, on energy storage canister, be also provided with feeding port (11), it is characterized in that: in energy storage canister, be filled with solid heat-storage medium (5), the heat pipe (6) of arranging is in the shape of a spiral wrapped in solid heat-storage medium (5), the two ends of heat pipe (6) pass at the bottom of the tank of energy storage canister, and with in solar thermal collector, be connected for the heating container (10) of storing heat-conducting medium, on described energy storage canister, be also provided with blast pipe (3) for inputting cool breeze and for exporting the discharge pipe (4) of hot blast, in solid heat-storage medium (5), be distributed with the hole of supplied gas circulation.

2. solar energy air-heater as claimed in claim 1, is characterized in that: one end that described blast pipe (3) is arranged in energy storage canister stretches to solid heat-storage medium (5).

3. solar energy air-heater as claimed in claim 2, is characterized in that: the part that described blast pipe (3) is arranged in energy storage canister is provided with multiple wind hole (301).

4. solar energy air-heater as claimed in claim 1, is characterized in that: one end that described discharge pipe (4) is positioned at energy storage canister is provided with end cap (8), offers multiple apertures (801) on end cap (8).

5. solar energy air-heater as claimed in claim 1, is characterized in that: described heat pipe (6) is provided with control valve (9).

6. solar energy air-heater as claimed in claim 1, is characterized in that: in described vacuum interlayer, be also provided with adiabator layer, described adiabator layer is made up of the foam glass that is attached to the masking foil of inwall (2) outer surface and overlay on masking foil.

7. solar energy air-heater as claimed in claim 1, is characterized in that: described blast pipe (3) and discharge pipe (4) are all located in feeding port (11), and the top of feeding port (11) is provided with the end socket (7) of sealing use.

8. solar energy air-heater as claimed in claim 1, is characterized in that: on energy storage canister, be also provided with the exhaust tube (13) for maintaining its vacuum interlayer vacuum, exhaust tube is provided with vacuum detecting table, and its port is also provided with non-return valve and screw thread.

9. the solar energy air-heater as described in any one in claim 1-8, is characterized in that: described heat pipe (6) be provided with for make heat-conducting medium between heat pipe and heating container (10), circulate circulation circulating pump.