CN110921683A - Method and device for accelerating salt drying of vertical plate water-absorbing photo-thermal material array - Google Patents
Method and device for accelerating salt drying of vertical plate water-absorbing photo-thermal material array Download PDFInfo
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Abstract
The invention discloses a method and a device for accelerating salt drying by a vertical plate water-absorbing photothermal material array, belonging to the technical field of salt making, which can realize that a water-absorbing photothermal material absorbs seawater based on capillary action, efficiently absorbs light and utilizes solar energy under the action of a light-absorbing heating ball embedded on the surface, converts the solar energy into heat energy to transfer heat through a built-in heat-conducting framework net to evaporate seawater, only the lower part of the water-absorbing photothermal material is inserted into a water body, the contact area with the water surface is small, thereby greatly reducing the loss of the photothermal energy to the water body, improving the energy utilization rate, simultaneously, the water-absorbing photothermal material is vertically placed on the water surface, directly doubling the evaporation area of the seawater, being more beneficial to utilizing wind energy, enlarging the evaporation area in contact with wind, improving the evaporation rate, fully utilizing the flapping action of water waves to keep the surface of the water-absorbing photothermal material moist, and effectively solving the problem, the rapid evaporation of the seawater is realized, the salt sunning period is greatly shortened, and the salt sunning amount is increased.
Description
Technical Field
The invention relates to the technical field of salt production, in particular to a method and a device for accelerating salt drying by a vertical plate water-absorbing photo-thermal material array.
Background
The salt is rich in species, such as sea salt, pond salt, well salt, rock salt and the like. Sea salt has the longest development history in China, and the record of 'boiling sea into salt' is recorded in the summer Yu period before 5000 years; pond salt production begins in China more than 4000 years ago; at the end of the war country more than 2000 years ago, salt wells were dug in Cheng Shu county Tai Libinge in Cheng du plain to draw bittern and fry salt; the development of the modern rock salt makes great progress, and rock salt mineral reserves with larger reserves are explored in Hebei, Shanxi, Jiangsu and the like. The salt preparation method comprises salt boiling, solar evaporation (sun salt), freezing, vacuum evaporation, hot-pressing evaporation, etc.
Wherein, the salt boiling is not only low in efficiency but also consumes a large amount of energy; the electrodialysis method, the vacuum evaporation and the hot-pressing evaporation for preparing salt still consume a large amount of energy although the efficiency is improved; the freezing method is only suitable for salt production in specific areas and in specific seasons; the solar salt is an ancient and traditional salt making mode, and because the solar salt is concentrated brine by evaporating water by utilizing solar energy and wind energy, a large amount of energy is not required to be input, the solar salt is the most economical traditional salt making mode, and the solar salt is still the main production mode of sea salt and lake salt in China.
Although the production efficiency is improved by adopting a method of stepwise concentration in an evaporation tank, a middle adjusting tank and a crystallization tank at present, the salt preparation method still gradually concentrates brine by natural evaporation of water surfaces of various tanks. Because the water level of the pool is lower, the effective evaporation area is small, the solar energy utilization rate is low, the water evaporation is slow, the salt making period is long, the production efficiency and the production benefit are lower, and the development of salt sunning enterprises is seriously restricted. The method for making full use of solar energy in time, space and other aspects is explored, and great benefits are provided for improving the salt making efficiency of sea salt and lake salt and improving the economic benefits of salt making enterprises and salt citizens.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a method and a device for accelerating salt drying by a vertical plate water-absorbing photo-thermal material array, which can realize that the water-absorbing photo-thermal material is used for absorbing seawater and wetting based on capillary action, solar energy is efficiently absorbed and utilized under the action of a light-absorbing heating ball embedded on the surface, the seawater is evaporated by transferring heat through a built-in heat-conducting framework net and converting the heat into heat energy, only the lower part of the water-absorbing photo-thermal material is inserted into a water body, the contact area with the water surface is small, so that the loss of photo-thermal energy to the water body is greatly reduced, the energy utilization rate is improved, meanwhile, the water-absorbing photo-thermal material is vertically placed on the water surface, the evaporation area of the seawater can be directly doubled, the water-absorbing photo-thermal material array is more favorable for utilizing wind energy, the evaporation area in contact with wind is, the method has the advantages of not only having very good wave resistance, but also fully utilizing the flapping action of water waves to keep the surface of the water-absorbing photo-thermal material wet, effectively solving the problem of salting on the surface of the material, realizing the rapid evaporation of seawater, greatly shortening the salt drying period and improving the salt drying amount.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A method for accelerating solar salt by using a vertical plate water-absorbing photothermal material array comprises the following steps:
s1, selecting proper materials to manufacture buoyancy plates according to the brine concentration, arranging and installing the connecting cross rods between a pair of buoyancy plates in parallel, and so on;
s2, prefabricating a water-absorbing photo-thermal material in a factory, installing a heat-insulating mounting plate at the upper end of the water-absorbing photo-thermal material, and vertically hanging the water-absorbing photo-thermal material to the position right below the connecting cross rod through a connecting buckle;
and S3, putting the water-absorbing photothermal material into saline water at a proper place until the lower end of the material is inserted into the water, wetting the whole body by utilizing capillary action, and accelerating the evaporation rate by blowing based on sunlight and wind energy.
Further, when putting into in step S3 sunshine occasionally, preferentially guarantee that the broad face of optothermal material that absorbs water is east and west orientation, preferentially guarantee when no sunshine that the narrow face of optothermal material that absorbs water is on a parallel with the wind direction, preferentially utilize solar energy to carry out the light and heat conversion when having sunshine, improve the utilization ratio of light energy, and evaporation rate is fast, borrows wind energy when no sunshine and carries out the circulation of surface air and evaporate, the maximum utilization natural resources that utilizes through the change of direction carries out the seawater evaporation.
The utility model provides a device of salt is shone with higher speed to riser light and heat material array that absorbs water, the device includes buoyancy board, connection horizontal pole, connector link, thermal-insulated mounting panel and the light and heat material that absorbs water, connector link fixed connection is in connection horizontal pole lower extreme and integrated into one piece, inlay in the light and heat material that absorbs water the inner and install heat conduction skeleton net, the equal fixedly connected with of node of heat conduction skeleton net absorbs light and generates heat the ball, and absorbs light and generate heat the ball and run through thermal-insulated mounting panel and extend to the outside, both ends are all cut open the acceleration wind hole that has a plurality of evenly distributed about the buoyancy board.
Furthermore, the photothermal material that absorbs water includes that the portion is synthesized to the setting and the portion of intaking that warp, and warp the portion fixed connection that intakes in the portion of setting and synthesize a lower extreme, the length and the comprehensive portion of setting of heat conduction skeleton net match, and the comprehensive portion of setting mainly plays the effect of wetting and light and heat conversion, therefore it needs fixed improvement light absorption effect, and warp the portion of intaking then mainly plays the effect of absorbing water, because it is located therefore the light-absorbing capacity under water poor, and the surface of water stormy waves is great, in order to avoid transmitting power to the comprehensive portion of setting department, heat conduction skeleton net plays setting and heat conduction, warp the portion of intaking then can be according to the surface of water stormy waves free deformation.
Furthermore, the water inlet deforming part comprises a plurality of deforming monomers, each deforming monomer comprises a connecting section and a separating section which are vertically distributed, the connecting sections are connected and integrated, the length ratio of the connecting sections to the separating sections is 1:5-10, the single deforming monomers can deform more freely, water surface acting force can be dispersed to the maximum extent while water absorption wetting is kept, even water surface acting force is pulled, the water absorption effect is enhanced through capillary action, and evaporation efficiency is improved.
Furthermore, the light absorption heating ball comprises a glass hemisphere cover, a black light absorption layer and a heat conduction substrate, the heat conduction substrate is fixedly connected to a node of the heat conduction framework net, one end, far away from the heat conduction framework net, of the heat conduction substrate is fixedly connected with the black light absorption layer, and the glass hemisphere cover and the heat conduction substrate are fixedly connected and sleeved on the outer side of the glass hemisphere cover and the heat conduction substrate.
Furthermore, the glass hemisphere cover is made of transparent glass material, the interior of the glass hemisphere cover is kept in vacuum, the black light absorption layer is a black carbon-based material coating, the surface of the black carbon-based material coating is spherical and is distributed with a plurality of light absorption particles which are uniformly distributed, the light absorption particles are silicon oxide or zirconium oxide, the heat conduction substrate is made of diamond, the glass hemisphere cover plays a role in light absorption and protection, the black light absorption layer has good light absorption performance, the heat conduction substrate has excellent thermal conductivity, solar energy is utilized to carry out photothermal conversion to the maximum extent by matching, the solar energy is converted into heat energy to evaporate seawater on the water absorption photothermal material, and the solar water absorption particle has a remarkable reinforcing effect compared with a common photothermal material, meanwhile, the glass hemispherical cover is kept in a vacuum heat insulation state, so that heat transfer is greatly reduced, the utilization rate of heat energy is improved, and unnecessary loss to the air is avoided.
Further, heat conduction skeleton net is including heat conduction carbon silk and water guide fiber, the water guide fiber includes radial water guide fiber and latitudinal direction water guide fiber, and radial water guide fiber and latitudinal direction water guide fiber are woven each other and are twined at the surface of heat conduction carbon silk, and the water guide fiber plays the effect of leading wet, preferentially concentrate near water guide fiber with the inside moisture of the photothermal material that absorbs water, the heat energy direct heating evaporation that comes by the conduction of heat conduction substrate, promote heat conduction effect when improving evaporation efficiency, and radial water guide fiber and latitudinal direction water guide fiber are woven each other more closely, can play the effect that the protection heat conduction carbon silk is not corroded by the sea water.
Further, the axis in wind hole with higher speed and the surface parallel of the light and heat material that absorbs water and press close to, wind hole diminishes gradually along air inlet direction radius with higher speed and is the loudspeaker form for concentrate the sea wind with higher speed, blow to the preceding rear surface of the light and heat material that absorbs water, effective reasonable utilization wind energy improves the circulation of air effect on the light and heat material surface that absorbs water, thereby promotes evaporation rate.
Furthermore, the height of the water-absorbing photo-thermal material is not more than 10cm, the thickness of the water-absorbing photo-thermal material is 0.5-2cm, the ratio of the distance between the front and back adjacent water-absorbing photo-thermal materials to the height of the water-absorbing photo-thermal material is 1:2-5, the water-absorbing photo-thermal material can fully utilize solar energy and wind energy due to proper size, the contact area with water is small, the contact area with air is large, and the energy utilization rate and the conversion rate are improved to the maximum while the energy loss is reduced.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can realize that the water-absorbing photo-thermal material absorbs seawater and is wet based on capillary action, under the action of the light-absorbing heating ball embedded on the surface, solar energy is efficiently absorbed and utilized, the water-absorbing photo-thermal material is converted into heat energy to conduct heat transfer through the built-in heat conducting framework net to evaporate seawater, only the lower part of the water-absorbing photo-thermal material is inserted into the water body, the contact area with the water surface is small, the loss of photo-thermal energy to the water body is greatly reduced, the energy utilization rate is improved, meanwhile, the water-absorbing photo-thermal material is vertically placed on the water surface, the evaporation area of the seawater can be directly doubled and improved, the water-absorbing photo-thermal material array is also beneficial to utilizing wind energy, the evaporation area in contact with wind is enlarged, the evaporation rate is improved, and the buoyancy material is adopted for supporting, not only has very good wave resistance, but also, effectively solves the problem of salting on the surface of the material, realizes the rapid evaporation of seawater, greatly shortens the salt sunning period and improves the salt sunning amount.
(2) The wide face of the light and heat material of preferentially guaranteeing to absorb water when puting in occasionally sunshine is the thing orientation, and the narrow face of the light and heat material of preferentially guaranteeing to absorb water when no sunshine is on a parallel with the wind direction, preferentially utilizes solar energy to carry out the light and heat conversion when having sunshine, improves the utilization ratio of light energy, and the evaporation rate is fast, borrows the wind energy when no sunshine to carry out the circulation of surface air and evaporates, and the maximum utilization natural resources of change through the direction carries out the sea water evaporation.
(3) The water absorption photo-thermal material comprises a shaping comprehensive part and a deformed water inlet part, the deformed water inlet part is fixedly connected to the lower end of the shaping comprehensive part, the length of the heat conduction framework net is matched with the shaping comprehensive part, the shaping comprehensive part mainly plays a role in wetting and photo-thermal conversion, so that the light absorption effect is improved by fixing the deformation photo-thermal material, the deformed water inlet part mainly plays a water absorption role, the light absorption capacity is poor due to the fact that the deformed water inlet part is located underwater, the water surface stormy waves are large, in order to avoid force transfer to the shaping comprehensive part, the heat conduction framework net plays a role in shaping and heat conduction, and the deformed water inlet part can be freely deformed according to the water surface stormy waves.
(4) The water inlet deforming part comprises a plurality of deforming monomers, each deforming monomer comprises a connecting section and a separating section which are vertically distributed, the connecting sections are connected and integrated, the length ratio between the connecting sections and the separating sections is 1:5-10, the single deforming monomers can deform more freely, water surface acting force can be dispersed to the maximum extent while water absorption wetting is kept, even the water surface acting force is pulled, the water absorption effect is enhanced through capillary action, and further the evaporation efficiency is improved.
(5) The light absorption heating ball comprises a glass hemisphere cover, a black light absorption layer and a heat conduction substrate, the heat conduction substrate is fixedly connected to a node of the heat conduction framework net, one end of the heat conduction substrate, far away from the heat conduction framework net, is fixedly connected with the black light absorption layer, and the glass hemisphere cover and the heat conduction substrate are fixedly connected and sleeved on the outer side of the glass hemisphere cover.
(6) The glass hemisphere cover is made of transparent glass and keeps vacuum inside, the black light absorption layer is made of black carbon-based material coating, the surface of the black carbon-based material coating is spherical and is distributed with a plurality of light absorption particles which are uniformly distributed, the light absorption particles are silicon oxide or zirconium oxide, the heat conduction substrate is made of diamond, the glass hemisphere cover plays a role in light absorption and protection, the black light absorption layer has good light absorption performance, the heat conduction substrate has excellent heat conductivity, solar energy is utilized to carry out photothermal conversion to the maximum extent through mutual matching, the solar energy is converted into heat energy to evaporate seawater on the water absorption photothermal material, the glass hemisphere cover has a remarkable reinforcing effect compared with a common photothermal material, meanwhile, the glass hemisphere cover keeps a vacuum heat insulation state, heat transfer is greatly reduced, the utilization rate of the heat energy is improved, and unnecessary loss to the air is avoided.
(7) The heat conduction framework net comprises heat conduction carbon wires and water guide fibers, the water guide fibers comprise radial water guide fibers and weft water guide fibers, the radial water guide fibers and the weft water guide fibers are woven with each other and wound on the outer surface of the heat conduction carbon wires, the water guide fibers play a role in guiding moisture, water inside the water absorption photo-thermal material is preferentially concentrated to the position near the water guide fibers, heat energy conducted by a heat conduction substrate is directly heated and evaporated, the evaporation efficiency is improved, the heat conduction effect is promoted while the radial water guide fibers and the weft water guide fibers are woven with each other more tightly, and the effect of protecting the heat conduction carbon wires from being corroded by seawater can be achieved.
(8) The axis in wind hole with higher speed is parallel and is pressed close to with the surface of the light and heat material that absorbs water, and wind hole diminishes gradually along air inlet direction radius and is the loudspeaker form with higher speed for concentrate the sea wind with higher speed, blow to the preceding rear surface of the light and heat material that absorbs water, effective reasonable utilization wind energy improves the circulation of air effect on light and heat material surface that absorbs water, thereby promotes evaporation rate.
(9) The height of the water-absorbing photo-thermal material is not more than 10cm, the thickness of the water-absorbing photo-thermal material is 0.5-2cm, the ratio of the distance between the front and back adjacent water-absorbing photo-thermal materials to the height of the water-absorbing photo-thermal material is 1:2-5, the water-absorbing photo-thermal material can fully utilize solar energy and wind energy due to proper size, the contact area with water is small, the contact area with air is large, and the energy utilization and conversion rate are improved to the maximum while the energy loss is reduced.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic structural diagram of the present invention in a solar salt state;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic structural view of a mesh portion of the thermally conductive frame of the present invention;
FIG. 5 is a schematic view of a light-absorbing and heat-generating ball according to the present invention;
FIG. 6 is a schematic structural view of an accelerating air hole portion according to the present invention;
FIG. 7 is a schematic structural view of a deformed monomer portion according to the present invention.
The reference numbers in the figures illustrate:
the solar water heater comprises a buoyancy plate 1, a connecting cross rod 2, a connecting buckle 3, a heat insulation mounting plate 4, a water absorption photo-thermal material 5, a comprehensive shaping part 51, a deformed water inlet part 52, a deformed single body 521, an accelerated air hole 6, a light absorption heating ball 7, a glass hemisphere cover 71, a black light absorption layer 72, a heat conduction substrate 73, a heat conduction skeleton net 8, a heat conduction carbon wire 81 and a water guide fiber 82.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of 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 present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.
Example 1:
referring to fig. 1, a method for accelerating solar salt production by a vertical plate water-absorbing photothermal material array includes the following steps:
s1, selecting proper materials to manufacture the buoyancy plates 1 according to the brine concentration, arranging and installing the connecting cross rods 2 between the pair of buoyancy plates 1 in parallel, and so on;
s2, prefabricating the water-absorbing photo-thermal material 5 in a factory, installing the heat-insulating mounting plate 4 at the upper end of the water-absorbing photo-thermal material 5, and vertically hanging the water-absorbing photo-thermal material 5 under the connecting cross rod 2 through the connecting buckle 3;
s3, putting salt water at a suitable place until the lower end of the water-absorbing photothermal material 5 is inserted into water, wetting the entire body by capillary action, and accelerating the evaporation rate by blowing based on the irradiation of sunlight and wind energy.
Referring to fig. 2, when sunshine is thrown in step S3, it is preferentially ensured that the wide surface of the water-absorbing photothermal material 5 faces east and west, when no sunshine exists, it is preferentially ensured that the narrow surface of the water-absorbing photothermal material 5 is parallel to the wind direction, when sunshine exists, solar energy is preferentially utilized for photothermal conversion, the utilization rate of light energy is improved, the evaporation speed is high, when no sunshine exists, surface air circulation is performed by using wind energy for evaporation, and natural resources are utilized for seawater evaporation to the greatest extent by changing the direction.
Referring to fig. 1, 3 and 4, a device for accelerating solar salt production by a vertical plate water-absorbing photothermal material array comprises a buoyancy plate 1, a connecting cross bar 2, a connecting buckle 3, a heat-insulating mounting plate 4 and a water-absorbing photothermal material 5, wherein the buoyancy material 1 is in the shape of a solid or hollow cylinder, an oval cylinder or a cuboid, the buoyancy material 1 is made of a material including but not limited to foam, sponge, PVC water pipe, wood, plastic, rubber, an inflatable membrane, etc., the connecting buckle 3 includes but not limited to a rope buckle, a plastic buckle, a rigid plastic buckle, the height of the water-absorbing photothermal material 5 is not more than 10cm and the thickness is 0.5-2cm, the ratio of the distance between the front and rear adjacent water-absorbing photothermal materials 5 to the height of the water-absorbing photothermal material 5 is 1:2-5, the height of the water-absorbing photothermal material 5 higher than 10cm is liable to cause the water-non, can be adjusted according to actual conditions, the proper size can ensure that the water-absorbing photo-thermal material 5 can fully utilize solar energy and wind energy, the contact area with water is small, the contact area with air is large, energy utilization and conversion rate are improved to the maximum while energy loss is reduced, the water-absorbing photo-thermal material 5 has a wide wave band for sunlight, high-efficiency light absorption and high-efficiency photo-thermal conversion, absorbs light and converts the light into heat energy to heat seawater on an evaporation material, including but not limited to black materials and the like, such as black cotton cloth, black non-woven fabric, black sponge, black foam, black paper materials, black carbon-based materials (such as carbon black, graphene, carbon nano tubes and the like) growing/spraying/soaking and dyeing materials and the like, the connecting buckle 3 is fixedly connected to the lower end of the connecting cross rod 2 and is integrally formed, and the inner end of the water-absorbing photo-, play the heat conduction and act as the effect of skeleton, be convenient for on the one hand to the 5 whole evaporation that heats of water absorption photothermal material, the protection simultaneously absorbs water photothermal material 5 non-deformable under the impact of wave and wind, the equal fixedly connected with of node of heat conduction skeleton net 8 absorbs light heating ball 7, and absorb light heating ball 7 runs through thermal-insulated mounting panel 4 and extends to the outside, a light and heat conversion efficiency for strengthening water absorption photothermal material 5, buoyancy board 1 is controlled both ends and is all dug the acceleration wind hole 6 that has a plurality of evenly distributed, play the effect of wind-guiding.
Referring to fig. 3, the water absorbing photothermal material 5 includes a shaping integration portion 51 and a deformed water inlet portion 52, the deformed water inlet portion 52 is fixedly connected to the lower end of the shaping integration portion 51, the length of the heat conducting skeleton net 8 is matched with the shaping integration portion 51, the shaping integration portion 51 mainly plays a role of wetting and photothermal conversion, so that the light absorption effect needs to be fixedly improved, the deformed water inlet portion 52 mainly plays a role of water absorption, the light absorption capability is poor due to the underwater position, and the water surface wind and wave are large, in order to avoid transmitting the force to the shaping integration portion 51, the heat conducting skeleton net 8 plays a role of shaping and heat conducting, and the deformed water inlet portion 52 can be freely deformed according to the water surface wind and wave.
Referring to fig. 7, the deformed water inlet portion 52 includes a plurality of deformed units 521, the deformed units 521 include connecting sections and separating sections which are distributed up and down, the connecting sections are connected and integrated, the length ratio between the connecting sections and the separating sections is 1:5-10, the individualized deformed units 521 can deform more freely, and the water surface acting force can be dispersed to the maximum extent while the water absorption wetting is maintained, even the water surface acting force is pulled, so that the water absorption effect is enhanced by capillary action, and further the evaporation efficiency is improved.
Referring to fig. 5, the light absorbing and heating ball 7 includes a glass hemisphere cover 71, a black light absorbing layer 72 and a heat conducting substrate 73, the heat conducting substrate 73 is fixedly connected to a node of the heat conducting skeleton net 8, one end of the heat conducting substrate 73 far away from the heat conducting skeleton net 8 is fixedly connected to the black light absorbing layer 72, the glass hemisphere cover 71 and the heat conducting substrate 73 are fixedly connected to each other and sleeved outside the glass hemisphere cover, the glass hemisphere cover 71 is made of transparent glass and the inside of the glass hemisphere cover is kept vacuum, the black light absorbing layer 72 is a black carbon-based material coating, the surface of the black carbon-based material coating is a spherical surface and is distributed with a plurality of light absorbing particles uniformly distributed, the light absorbing particles are silicon oxide or zirconium oxide, the heat conducting substrate 73 is made of diamond, the glass hemisphere cover 71 plays a role in light absorbing and protecting, the black light absorbing layer 72 has good light absorbing performance, the spherical surface characteristic can improve light absorbing area and promote light absorption, the solar energy is utilized to carry out photo-thermal conversion to the maximum extent through mutual matching, the solar energy is converted into heat energy to evaporate seawater on the water-absorbing photo-thermal material 5, and compared with the common photo-thermal material, the solar energy-absorbing photo-thermal material has a remarkable reinforcing effect, and meanwhile, the glass hemispherical cover 71 keeps a vacuum heat insulation state, so that heat transfer is greatly reduced, the utilization rate of heat energy is improved, and unnecessary loss to the air is avoided.
The heat-conducting framework net 8 comprises heat-conducting carbon wires 81 and water-conducting fibers 82, the water-conducting fibers 82 comprise radial water-conducting fibers and weft water-conducting fibers, the radial water-conducting fibers and the weft water-conducting fibers are woven and wound on the outer surface of the heat-conducting carbon wires 81, the water-conducting fibers 82 play a role in conducting moisture, water inside the water-absorbing photo-thermal material 5 is preferentially concentrated to the position near the water-conducting fibers 82, heat energy conducted by the heat-conducting substrate 73 is directly heated and evaporated, the heat conduction effect is promoted while the evaporation efficiency is improved, the radial water-conducting fibers and the weft water-conducting fibers are woven tightly, and the effect that the heat-conducting carbon wires 81 are not corroded by seawater can be achieved.
Please refer to fig. 6, the central axis of the acceleration wind hole 6 is parallel to and close to the outer surface of the water-absorbing photothermal material 5, and the radius of the acceleration wind hole 6 gradually decreases along the wind inlet direction to form a horn shape, so as to intensively accelerate the sea wind, blow the front and rear surfaces of the water-absorbing photothermal material 5, effectively and reasonably utilize the wind energy, improve the air circulation effect on the surface of the water-absorbing photothermal material 5, and further improve the evaporation rate.
It is noted that the present invention may be used in applications including, but not limited to, seawater, salt lakes, salt ponds, brine ponds, but also high salinity wastewater, sewage, etc. that may be abated in evaporative form.
The efficiency of salt sunning is mainly decided by the speed of water evaporation, and the evaporation of moisture mainly depends on the utilization ratio to solar energy, environment wind speed and humiture etc, the light-absorbing photothermal material 5 only the lower extreme inserts in the water, and non-traditional whole piece material tiling floats on the surface of water, it is little with surface of water area of contact, thereby greatly reduced the loss of light heat energy to the water, energy utilization has been improved, and the spotlight effect of glass hemisphere cover 71, under the high absorption rate effect on black light-absorbing layer 72, high efficiency turns into heat energy and is conducted to the light-absorbing photothermal material 5 inside by heat conduction substrate 73, borrow the quick heating evaporation of heat conduction framework net 8 realization, and put the array form through the perpendicular of light-absorbing photothermal material 5, the area of contact with the air has been improved greatly, and promote the air-dry effect under the effect of accelerating wind hole 6.
The invention can realize that the water-absorbing photo-thermal material absorbs seawater and wets based on capillary action, solar energy is efficiently absorbed and utilized under the action of the light-absorbing heating ball embedded on the surface, the water-absorbing photo-thermal material is converted into heat energy to conduct heat transfer through the built-in heat-conducting framework net to evaporate seawater, only the lower part of the water-absorbing photo-thermal material is inserted into the water body, the contact area with the water surface is small, thereby greatly reducing the loss of photo-thermal energy to the water body, improving the energy utilization rate, meanwhile, the water-absorbing photo-thermal material is vertically placed on the water surface, the evaporation area of the seawater can be directly doubled, the water-absorbing photo-thermal material array is more beneficial to utilizing wind energy, the evaporation area contacted with wind is enlarged, thereby improving the evaporation rate, and the buoyancy material is adopted for supporting, thereby not only having very good wave resistance, but also fully utilizing the flapping action of water waves to keep the surface of, the rapid evaporation of the seawater is realized, the salt sunning period is greatly shortened, and the salt sunning amount is increased.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A method for accelerating salt exposure of a vertical plate water-absorbing photo-thermal material array is characterized by comprising the following steps: the method comprises the following steps:
s1, selecting proper materials to manufacture the buoyancy plates (1) according to the concentration of the saline water, arranging the connecting cross rods (2) between the pair of buoyancy plates (1) in parallel, and so on;
s2, prefabricating the water-absorbing photo-thermal material (5) in a factory, installing a heat-insulating mounting plate (4) at the upper end of the water-absorbing photo-thermal material (5), and vertically hanging the water-absorbing photo-thermal material (5) under the connecting cross rod (2) through the connecting buckle (3);
and S3, putting the saline water into a proper place until the lower end of the water-absorbing photothermal material (5) is inserted into the water, wetting the whole body by capillary action, and accelerating the evaporation rate by blowing based on the irradiation of sunlight and wind energy.
2. The method for accelerating solar salt production by using an array of vertical plate water-absorbing photothermal materials according to claim 1, wherein: when sunshine is put in the step S3, the wide face of the water-absorbing photo-thermal material (5) is preferentially ensured to be in east-west orientation, and when sunshine is not available, the narrow face of the water-absorbing photo-thermal material (5) is preferentially ensured to be parallel to the wind direction.
3. The utility model provides a device of salt is shone with higher speed to riser light thermal material array that absorbs water which characterized in that: the device includes buoyancy board (1), connection horizontal pole (2), connector link (3), thermal-insulated mounting panel (4) and the light and heat material (5) that absorbs water, connector link (3) fixed connection is in connection horizontal pole (2) lower extreme and integrated into one piece, inlay in the light and heat material (5) that absorbs water the inner and install heat conduction skeleton net (8), the equal fixedly connected with of node of heat conduction skeleton net (8) absorbs light heating ball (7), and absorbs light heating ball (7) run through thermal-insulated mounting panel (4) and extend to the outside, both ends are all opened with higher speed wind hole (6) that have a plurality of evenly distributed about buoyancy board (1).
4. The device for accelerating solar salt production by using the vertical plate water-absorbing photothermal material array as claimed in claim 3, wherein: the water-absorbing photo-thermal material (5) comprises a shaping comprehensive part (51) and a deformation water inlet part (52), the deformation water inlet part (52) is fixedly connected to the lower end of the shaping comprehensive part (51), and the length of the heat-conducting framework net (8) is matched with the shaping comprehensive part (51).
5. The device for accelerating solar salt production by using the vertical plate water-absorbing photothermal material array as claimed in claim 4, wherein: the deformed water inlet part (52) comprises a plurality of deformed single bodies (521), each deformed single body (521) comprises a connecting section and a separating section which are distributed up and down, the connecting sections are connected and integrated, and the length ratio of the connecting sections to the separating sections is 1: 5-10.
6. The device for accelerating solar salt production by using the vertical plate water-absorbing photothermal material array as claimed in claim 3, wherein: inhale light and heat release ball (7) including glass hemisphere cover (71), black light absorption layer (72) and heat conduction substrate (73), heat conduction substrate (73) fixed connection is in the node of heat conduction skeleton net (8), heat conduction substrate (73) are kept away from between heat conduction skeleton net (8) one end and the black light absorption layer (72) fixed connection, fixed connection and cover are in its outside between glass hemisphere cover (71) and heat conduction substrate (73).
7. The device for accelerating solar salt production by using the vertical plate water-absorbing photothermal material array as claimed in claim 6, wherein: the glass hemisphere cover (71) is made of transparent glass and keeps vacuum inside, the black light absorption layer (72) is a black carbon-based material coating, the surface of the black carbon-based material coating is a spherical surface and is distributed with a plurality of light absorption particles which are uniformly distributed, the light absorption particles are silicon oxide or zirconium oxide, and the heat conduction substrate (73) is made of diamond.
8. The device for accelerating solar salt production by using the vertical plate water-absorbing photothermal material array as claimed in claim 3, wherein: the heat-conducting framework net (8) comprises heat-conducting carbon wires (81) and water-conducting fibers (82), the water-conducting fibers (82) comprise radial water-conducting fibers and weft water-conducting fibers, and the radial water-conducting fibers and the weft water-conducting fibers are woven and wound on the outer surface of the heat-conducting carbon wires (81).
9. The device for accelerating solar salt production by using the vertical plate water-absorbing photothermal material array as claimed in claim 3, wherein: the axis of wind hole (6) with higher speed is parallel and is pressed close to with the surface of light and heat material (5) that absorbs water, wind hole (6) diminishes gradually along air inlet direction radius and is the loudspeaker form with higher speed.
10. The device for accelerating solar salt production by using the vertical plate water-absorbing photothermal material array as claimed in claim 3, wherein: the height of the water-absorbing photo-thermal material (5) is not more than 10cm, the thickness of the water-absorbing photo-thermal material is 0.5-2cm, and the ratio of the distance between the front and back adjacent water-absorbing photo-thermal materials (5) to the height of the water-absorbing photo-thermal material (5) is 1: 2-5.
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