CN215856945U - Porous medium solar heat exchanger and dryer - Google Patents
Porous medium solar heat exchanger and dryer Download PDFInfo
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- CN215856945U CN215856945U CN202122358593.7U CN202122358593U CN215856945U CN 215856945 U CN215856945 U CN 215856945U CN 202122358593 U CN202122358593 U CN 202122358593U CN 215856945 U CN215856945 U CN 215856945U
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- 238000001035 drying Methods 0.000 claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000000919 ceramic Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 10
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 17
- 230000005855 radiation Effects 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Drying Of Solid Materials (AREA)
Abstract
The embodiment of the application provides a porous medium solar heat exchanger and a dryer, and relates to the field of solar energy utilization. The porous medium solar heat exchanger comprises: two layers of transparent temperature-resistant plates are arranged in a stacked mode and are spaced at a certain distance; the side plates are arranged around the two layers of transparent temperature-resistant plates and form a shell with an accommodating cavity together; the porous medium material is filled in the containing cavity; the air inlet and the air outlet are respectively arranged at two opposite ends of the shell. The dryer comprises a drying workbench and the porous medium solar heat exchanger, the drying workbench is provided with a working surface for conveying paper, the porous medium solar heat exchanger is positioned above the drying workbench, and the air outlet faces the working surface of the drying workbench. The porous medium solar heat exchanger and the dryer meet the drying requirements in the fields of papermaking production and the like, and the drying efficiency is high.
Description
Technical Field
The application relates to the field of solar energy utilization, in particular to a porous medium solar heat exchanger and a dryer.
Background
In the paper manufacturing process, the paper output from the press section contains a significant amount of moisture, typically above 50%, and therefore it is necessary to dry the paper output from the press section. At present, hot air or infrared rays are usually adopted to dry paper coming out of a press part, and although the drying modes can realize drying, most of the existing drying ovens for generating the hot air and the infrared rays use fossil energy such as electric energy, natural gas and the like as energy sources, so that the papermaking drying usually needs to consume a large amount of electric energy.
In addition, solar energy is an inexhaustible high-quality energy, and if paper is directly dried in the sun, the drying efficiency is very low, so that the method is not suitable for the requirement of papermaking production.
Therefore, a way to satisfy the drying requirement of papermaking production and achieve high drying efficiency needs to be explored.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of this application is to provide a porous medium solar heat exchanger and desiccator, satisfies the dry demand in fields such as papermaking production, and drying efficiency is high.
In a first aspect, an embodiment of the present application provides a porous medium solar heat exchanger, which includes:
the two layers of transparent temperature-resistant plates are arranged in a stacked mode and are spaced at a certain distance;
the side plates are arranged around the two layers of transparent temperature-resistant plates in a surrounding manner and form a shell with an accommodating cavity together;
the porous medium material is filled in the accommodating cavity;
an air inlet and an air outlet respectively provided at opposite ends of the housing.
In the above-mentioned realization process, transparent temperature resistant board is as optical window, sunlight shines on transparent temperature resistant board, and shine on porous medium material through transparent temperature resistant board, the temperature risees after porous medium material absorbs the solar radiation heat, and simultaneously, high-pressure medium (mostly be normal atmospheric temperature air) enters into porous medium material by the air entrance of porous medium solar heat exchanger one end, porous medium material after the intensification heats the air, the high-temperature air after being heated flows by the air outlet of the other end, high-temperature air just can realize treating the drying object and heat, accomplish solar energy high temperature heat conversion process. The porous medium material absorbs and converts solar radiation energy due to large specific surface area, can convert the solar radiation energy into high-temperature internal energy of a gas medium to do work and complete solar photothermal conversion, and is an important technical approach for high-temperature and high-efficiency thermal conversion of solar energy.
In one possible implementation, the transparent temperature-resistant plate is a transparent ceramic plate; and/or the porous medium material is silicon carbide porous ceramic.
In the implementation process, the transparent temperature-resistant plate of the porous medium solar heat exchanger for receiving the solar light uses the transparent ceramic plate to replace a conventional glass plate, and the transparent ceramic plate has the characteristic of high temperature resistance, so that the transparent ceramic plate can not deform or even explode at 900 ℃, and the condition that the glass plate deforms or explodes due to temperature rise is avoided.
The silicon carbide porous ceramic has the characteristics of high blackness, good heat conduction in a ceramic framework and the like, so that the silicon carbide porous ceramic is used for absorbing radiation energy in sunlight, heating air and further heating an object to be dried, such as paper drying. And the whole temperature of the silicon carbide porous ceramic is uniform, so that the temperature of high-temperature air sprayed out from the air outlet is uniform, and the object to be dried (such as paper) is dried uniformly and effectively.
In a possible implementation mode, an insulation board is further arranged between the side board and the porous medium material.
In the implementation process, the heat insulation board can reduce the loss of solar radiation heat to the outside of the shell, and is fully absorbed by the porous medium material in the shell.
In one possible implementation, the air inlet and the air outlet are respectively arranged on two layers of transparent temperature-resistant plates.
In the implementation process, the arrangement positions of the air inlet and the air outlet hardly cause heat loss in the shell, and the porous medium material between the air inlet and the air outlet is relatively more, namely the air entering from the air inlet and the air exiting from the air outlet have relatively longer flow path in the porous medium material, so that the air can be sufficiently heated.
In a possible implementation mode, a solar energy condensing plate is stacked on one of the transparent temperature-resistant plates.
In the implementation process, sunlight is collected by the solar light collecting plate and then irradiates the porous medium material through the transparent temperature-resistant plate, so that the temperature of the porous medium material is increased, the yield of high-temperature air is increased, the handling capacity of an object to be dried is increased, for example, when the paper drying handling capacity is increased or the sunshine intensity cannot meet the requirement of paper drying, the temperature of the porous medium material can be greatly increased after the solar light collecting plate is used, and the paper drying capacity in unit time is increased.
In a second aspect, an embodiment of the present application provides a dryer, which includes a drying workbench and the porous medium solar heat exchanger provided in the first aspect, the drying workbench has a working surface for conveying an object to be dried, the porous medium solar heat exchanger is located above the drying workbench, and the air outlet faces the working surface of the drying workbench.
In the above-mentioned realization process, the working face is used for carrying and treats the dry object, for example treat dry paper, and in paper transportation process, the porous medium solar heat exchanger that is located its top mainly acts on treating dry paper and carrying out the radiant heat transfer after just receiving solar energy to heat the normal atmospheric temperature air that lets in wherein, the high temperature air after the heating sprays towards the paper on the working face, thereby treat dry paper and carry out heat transfer and moisture evaporation, satisfy papermaking production's drying demand, and drying efficiency is high.
In a possible implementation mode, the drying workbench comprises a shell with a drying cavity inside, the two opposite ends of the shell are respectively provided with a feeding hole and a discharging hole, and the working face is arranged in the drying cavity and connected with the feeding hole and the discharging hole.
In the above-mentioned realization process, through the working face in the drying chamber to and the design of feed inlet, discharge gate, can realize in succession to the dry intracavity transport treat dry object, for example treat dry paper, and with the paper output after the drying, in transportation process, high temperature air can the fully heated paper, realizes the drying of paper etc..
In one possible implementation, the working surface is composed of a plurality of driving rollers arranged side by side.
In the implementation process, the paper conveying between the feeding hole and the discharging hole can be realized by the working surface formed by the driving rollers.
In one possible implementation, the housing has an opening above the working surface, and the porous medium solar heat exchanger cover is disposed at the opening.
In the above-mentioned realization process, porous medium solar heat exchanger lid is located the uncovered of shell, and not only porous medium solar heat exchanger can play its effect: after receiving solar energy, carrying out radiation heat exchange on the paper to be dried on the working surface below the paper to be dried, and carrying out heat exchange and moisture evaporation on the paper to be dried by high-temperature air obtained by heating; and the drying workbench is of a relatively closed (except the feed inlet and the discharge outlet, the other places are isolated from the outer part of the shell), so that the loss of the radiant heat in the drying cavity and the high-temperature air sprayed into the drying cavity from the air outlet can be reduced.
In addition, the upward transparent temperature-resistant plate of the porous medium solar heat exchanger is irradiated by sunlight, and the downward transparent temperature-resistant plate closes the opening of the shell to form a relatively closed drying cavity. Due to the use of the transparent ceramic plate, the water vapor generated in the process of evaporating the water in the drying cavity can be prevented from being condensed into water to be attached to the surface of the transparent ceramic plate, so that the reduction of the radiation heat exchange effect of the porous medium material on the object to be dried is avoided.
In a possible implementation, the casing is also provided with a water vapor outlet and a water outlet.
In the implementation process, the water vapor generated in the water evaporation process in the drying cavity can be discharged from the water vapor outlet, so that the water vapor in the drying cavity is reduced to be condensed into water; the drainage outlet can discharge the condensed water in time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a porous medium solar heat exchanger provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of the porous medium solar heat exchanger shown in FIG. 1 during operation;
FIG. 3 is a partially enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural diagram of a papermaking dryer according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;
fig. 6 is a schematic structural view of the drying workbench in fig. 4.
Icon: 100-porous medium solar heat exchanger; 110-a housing; 120-transparent temperature resistant plate; 130-side plate; 140-a heat-insulating plate; 150-porous dielectric material; 160-air inlet pipe; 170-air outlet duct; 001-paper making dryer; 200-drying a workbench; 210-a housing; 220-a driving roller; 230-a paper feed port; 240-paper outlet; 250-a water vapor discharge pipe; 260-a drain pipe; 270-supporting the foot.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be noted that the terms upper, lower, vertical, horizontal, inner, outer and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when products of the application are used, and are only for convenience in describing the application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the application.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
First embodiment
Referring to fig. 1 to 3, the porous medium solar heat exchanger 100 provided in this embodiment includes two layers of transparent temperature-resistant plates 120, a side plate 130 and a porous medium material 150, the two layers of transparent temperature-resistant plates 120 are stacked and spaced apart from each other by a certain distance, the side plate 130 surrounds the two layers of transparent temperature-resistant plates 120 and forms a housing 110 with an accommodating cavity together, the porous medium material 150 is filled in the accommodating cavity, an insulation plate 140 is further disposed between the side plate 130 and the porous medium material 150, and two opposite ends of the housing 110 are respectively provided with an air inlet and an air outlet.
It should be noted that "transparent" in the embodiments of the present application is not limited to complete transparency, but refers to high transparency, specifically to transparency through which sunlight can penetrate, so that heat loss of solar radiation is extremely small. "temperature resistant" is not limited to very high temperatures, but means capable of withstanding exposure to sunlight without deformation or even cracking.
Referring to fig. 3 in detail, in this embodiment, two layers of transparent temperature-resistant plates 120 are parallel to each other, the heat-insulating plate 140 is annular and is disposed between the two layers of transparent temperature-resistant plates 120, two open ends of the annular heat-insulating plate 140 are respectively connected to the two layers of transparent temperature-resistant plates 120, the porous medium material 150 is located in a containing cavity formed by the two layers of transparent temperature-resistant plates 120 and the heat-insulating plate 140 and fills the containing cavity, and the shell 110 wraps the heat-insulating plate 140 and the two layers of transparent temperature-resistant plates 120 and limits them to form a whole.
In this embodiment, the transparent temperature-resistant plate 120 is a transparent ceramic plate, but is not limited to a transparent ceramic plate, and in other embodiments, the transparent temperature-resistant plate 120 may also be a plate with high transparency and capable of withstanding solar light. In this embodiment, the porous medium material 150 is silicon carbide porous ceramic, but is not limited to be silicon carbide porous ceramic, and in other embodiments, the porous medium material 150 may also be selected from other materials with high blackness and good thermal conductivity.
In this embodiment, the heat insulation plate 140 is an alumina plate, but is not limited thereto, and in other embodiments, other heat insulation materials may be selected for the heat insulation plate 140.
In this embodiment, the air inlet and the air outlet are respectively disposed on the two layers of transparent temperature-resistant plates 120, that is, the air inlet is disposed at one side edge of one layer of transparent temperature-resistant plate 120, and the air outlet is disposed at the opposite side edge of the other layer of transparent temperature-resistant plate 120 corresponding to the side edge where the air inlet is disposed. Illustratively, each air inlet is communicated with an air inlet pipe 160, each air outlet is communicated with an air outlet pipe 170, the air inlet pipe 160 and the air outlet pipe 170 are both arranged outside the accommodating cavity, namely the air inlet pipe 160 and the air outlet pipe 170 are respectively towards the outer side of the transparent temperature-resistant plate 120, and the air outlet pipe 170 is inclined towards the air inlet.
Second embodiment
Referring to fig. 4 to 6, the present embodiment provides a papermaking dryer 001, which is specially used for drying paper, and in other embodiments, the dryer may be deformed or not deformed properly and used for drying other objects to be dried. In this embodiment, the papermaking dryer 001 is mainly divided into two parts, which are the porous medium solar heat exchanger 100 and the drying workbench 200 disposed below the porous medium solar heat exchanger 100 in the first embodiment, respectively, and a supporting leg 270 for supporting the drying workbench 200 and the porous medium solar heat exchanger 100 is installed below the drying workbench 200. In general, the porous medium solar heat exchanger 100 and the drying table 200 are horizontally arranged, the supporting legs 270 are vertically arranged, the transparent ceramic layer (the upper transparent ceramic layer) of the porous medium solar heat exchanger 100 provided with the air inlet faces upward, and the other transparent ceramic layer faces downward and is adjacent to the drying table 200.
Please refer to fig. 6 specifically, the drying workbench 200 includes a housing 210 having a drying cavity inside, opposite ends of the housing 210 are respectively provided with a paper inlet 230 (feed inlet) and a paper outlet 240 (discharge outlet), a working surface for conveying paper is provided in the drying cavity, the working surface is composed of a plurality of driving rollers 220 arranged side by side, the working surface is connected with the paper inlet 230 and the paper outlet 240, that is, the paper inlet 230 is arranged at an input end of the conveying roller, the paper outlet 240 is arranged at an output end of the conveying roller, continuous paper extends into the drying cavity from the paper inlet 230, passes through the working surface along a conveying direction of the working surface, and extends from the paper outlet 240, so as to realize paper conveying of the drying workbench 200. In general, the paper sheet in the drying chamber is placed on a driving roller 220, and the driving roller 220 is driven by a motor to be conveyed by the driving roller 220, or the paper sheet in the drying chamber is placed above a conveying roller to be conveyed by an external traction force.
The upper surface of the casing 210 has an opening at an end close to the paper outlet 240, the opening is located at an opening above the working surface, the porous medium solar heat exchanger 100 is covered on the opening, that is, the porous medium solar heat exchanger 100 is installed on the casing 210 at the opening, and the porous medium solar heat exchanger 100 and the casing 210 together form a relatively closed drying cavity. The air outlet of the porous medium solar heat exchanger 100 faces the working surface of the drying workbench 200, specifically, the nozzle of the air outlet pipe 170 faces the working surface below the air outlet pipe, and the air outlet pipe is inclined towards the direction of the paper inlet 230, so that the flowing direction of the sprayed high-temperature air is opposite to the paper conveying direction, and the paper can be sufficiently heated conveniently.
In this embodiment, the housing 210 is further provided with a steam outlet and a water outlet. Illustratively, a water vapor outlet is provided at one end of the upper surface of the housing 210 near the paper feed port 230, the water vapor outlet is communicated with a water vapor discharge pipe 250, a drain port is provided at the lower surface of the housing 210, the drain port is communicated with a drain pipe 260, and the drain pipe 260 is inclined toward the reverse conveying direction of the paper.
The working process of the papermaking dryer 001 of the present embodiment is:
the papermaking dryer 001 is placed under the sunlight to ensure that the porous medium solar heat exchanger 100 is positioned above and the transparent ceramic layer on the upper layer receives the sunlight.
Paper to be dried smoothly enters from the paper inlet 230, and the motor drives the transmission roller 220 to rotate so as to drive the paper to advance towards the paper outlet 240; after absorbing solar radiation heat, the porous medium material 150 (silicon carbide porous ceramic) in the porous medium solar heat exchanger 100 is heated, and then performs radiation heat exchange with paper to be dried in the drying cavity; meanwhile, normal temperature air enters the porous medium solar heat exchanger 100 through the air inlet pipe 160 of the porous medium solar heat exchanger 100, the porous medium material 150 heats the air, the heated high temperature air is ejected out of the air outlet pipe 170 to be in contact with and heated by paper to be dried in the drying cavity, at the moment, moisture in the paper is forcibly evaporated out of the paper, and the paper is finally dried and is sent out from the paper outlet 240. In the process, because the flowing direction of the high-temperature air is opposite to the transmission direction of the paper, the high-temperature air carries out convective heat transfer and enhanced evaporation on the paper to be dried, and the evaporated water vapor is discharged from the water vapor discharge pipe 250; the condensed water formed by condensing part of the water vapor may be discharged through the drain pipe 260.
When the paper processing amount is small and the sunlight is strong, the papermaking dryer 001 can be directly used; when the treatment capacity is increased or the sunshine intensity cannot meet the requirement of paper drying, a solar energy light-gathering plate can be stacked on one of the transparent temperature-resistant plates 120, specifically, the solar energy light-gathering plate is arranged above the transparent ceramic layer on the upper layer, and the solar energy light-gathering plate is used for gathering solar energy and then irradiating the solar energy on the porous medium material 150 (silicon carbide porous ceramic) so as to increase the temperature of silicon carbide and improve the treatment capacity.
To sum up, porous medium solar heat exchanger and papermaking desiccator of this application embodiment satisfy the drying demand of papermaking production etc. and drying efficiency is high.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A porous media solar heat exchanger, comprising:
the temperature-resistant plate comprises two layers of transparent temperature-resistant plates, wherein the two layers of transparent temperature-resistant plates are stacked and are separated by a certain distance;
the side plates are arranged around the two layers of transparent temperature-resistant plates in a surrounding manner and form a shell with an accommodating cavity together;
the porous medium material is filled in the containing cavity;
an air inlet and an air outlet respectively disposed at opposite ends of the housing.
2. The porous medium solar heat exchanger of claim 1, wherein the transparent temperature resistant plate is a transparent ceramic plate; and/or the porous medium material is silicon carbide porous ceramic.
3. The porous medium solar heat exchanger of claim 1, wherein an insulation board is further disposed between the side plate and the porous medium material.
4. The porous medium solar heat exchanger of claim 1, wherein the air inlet and the air outlet are disposed on two layers of the transparent temperature resistant sheet, respectively.
5. The porous medium solar heat exchanger according to claim 1, wherein a solar energy concentrating plate is further stacked on one of the transparent temperature-resistant plates.
6. A dryer, characterized in that it comprises a drying station having a working surface for conveying objects to be dried and a porous medium solar heat exchanger according to any one of claims 1 to 5, which is located above the drying station with the air outlet facing the working surface of the drying station.
7. The drying machine as claimed in claim 6, wherein the drying table comprises a housing having a drying chamber therein, the housing having a feeding port and a discharging port at opposite ends thereof, and the working surface being disposed in the drying chamber and connected to the feeding port and the discharging port.
8. The drier according to claim 6 or 7, characterised in that the working surface is composed of several driven rollers arranged side by side.
9. The dryer of claim 7 wherein said housing has an opening above said work surface, said porous medium solar heat exchanger cover being disposed at said opening.
10. The dryer of claim 7 wherein said housing is further provided with a water vapor outlet and a drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122358593.7U CN215856945U (en) | 2021-09-27 | 2021-09-27 | Porous medium solar heat exchanger and dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122358593.7U CN215856945U (en) | 2021-09-27 | 2021-09-27 | Porous medium solar heat exchanger and dryer |
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| Publication Number | Publication Date |
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| CN215856945U true CN215856945U (en) | 2022-02-18 |
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| CN202122358593.7U Active CN215856945U (en) | 2021-09-27 | 2021-09-27 | Porous medium solar heat exchanger and dryer |
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- 2021-09-27 CN CN202122358593.7U patent/CN215856945U/en active Active
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