CN111023747B - Solar heat pump dryer - Google Patents
Solar heat pump dryer Download PDFInfo
- Publication number
- CN111023747B CN111023747B CN201911372203.2A CN201911372203A CN111023747B CN 111023747 B CN111023747 B CN 111023747B CN 201911372203 A CN201911372203 A CN 201911372203A CN 111023747 B CN111023747 B CN 111023747B
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- Prior art keywords
- grain
- cavity
- ring
- drying box
- heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/08—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a vertical or steeply-inclined axis
- F26B11/10—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a vertical or steeply-inclined axis with stirring devices which are held stationary
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a solar heat pump dryer which comprises a drying box body, a solar heat collector and a heat pump, wherein a grain cavity and a liquid cavity which are independently arranged are arranged in the drying box body, a grain bin is arranged in the grain cavity, a motor is fixedly arranged on the lower surface of the drying box body, an output shaft of the motor is movably inserted into the grain cavity, a driving shaft is fixedly arranged at the upper end of the output shaft of the motor, a shaft ring is in transmission connection with the driving shaft through a transmission belt, a curved heat absorption pipe is arranged in the liquid cavity, the lower end of the liquid cavity is in communication connection with a water suction pump, and the water outlet end of the water suction pump is in. According to the invention, as the granary rotates, hot gas can uniformly contact with grains, so that the grain drying efficiency is ensured, and the water in the liquid cavity can be circulated to the solar thermal collector through the water suction pump for heating, so that the water in the liquid cavity can be kept in a high-temperature state for a long time.
Description
Technical Field
The invention relates to the technical field of grain processing, in particular to a solar heat pump dryer.
Background
Solar energy is used as clean, pollution-free and inexhaustible renewable energy to be applied to the dryer, and has great significance for reducing energy consumption. Solar energy is susceptible to factors such as weather, geographic location, etc. The solar heat pump dryer combining the solar heat collection and the solar heat pump can not only fully utilize the solar energy to achieve the best energy-saving effect, but also easily ensure the requirement of the stability of the drying process. Through experimental research, domestic researchers find that the solar energy and the heat pump are combined for drying, the drying time is shortened by about 20% compared with the drying time by adopting the solar energy alone, and the energy-saving efficiency is about 70%.
The existing solar dryer basically adopts electric power to dry, so that the resource waste is serious, the drying efficiency is not high, and the condition of uneven drying of grains is easy to occur.
Disclosure of Invention
The invention aims to provide a solar heat pump dryer.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a solar heat pump dryer comprises a drying box body, a solar heat collector and a heat pump, wherein a grain cavity and a liquid cavity which are independently arranged are arranged in the drying box body, a grain bin is arranged in the grain cavity, a protruding annular rib is fixedly arranged in the middle of the outer side wall of the grain bin, a ring is fixedly arranged on the inner side wall of the grain cavity at the position of the protruding annular rib, a ring groove is formed in the inner side wall of the ring, the grain bin is clamped into the ring groove through the protruding annular rib and is movably connected with the ring, a discharging protruding cylinder is fixedly communicated with the lower portion of the grain bin, the lower end of the discharging protruding cylinder penetrates through the lower surface of the drying box body, a shaft ring is fixedly arranged on the outer surface of the discharging protruding cylinder and is positioned in the grain cavity, a motor is fixedly arranged on the lower surface of the drying, the upper part of the granary is fixedly communicated with a feeding convex barrel, the interior of the granary is provided with an air dispersing pipe, the lower end of the air dispersing pipe is in a closed state, the surface of the air dispersing pipe is provided with a plurality of air holes, a fixed base is fixedly arranged on the upper surface of the drying box body, a containing cavity is arranged in the fixed base, a fan is arranged in the containing cavity, an air outlet end of the fan is communicated with and provided with an output pipe, the upper end of the air dispersing pipe is fixedly communicated and connected with an output pipe, a curved heat absorption pipe is arranged in the liquid cavity, both ends of the curved heat absorption pipe are in an open state, one end of the curved heat absorption pipe movably penetrates through the outer wall of the drying box body, the other end of the curved heat absorption pipe is communicated and connected with the air exhaust end of the fan, the water outlet end of the solar heat collector is communicated with the heat pump, the other end of the heat pump is communicated with the liquid cavity, the lower end of the liquid cavity is connected with a water suction pump in a communicating mode, and the water outlet end of the water suction pump is connected with the water inlet end of the solar thermal collector in a communicating mode.
Preferably, a plurality of inclined stirring rods are uniformly and fixedly arranged on the inner wall of the granary.
Preferably, feeding bulge section of thick bamboo upper end link up stoving box upper surface, the fixed annular bulge that is provided with round body structure of feeding bulge section of thick bamboo upper end lateral wall, stoving box upper surface is located feeding bulge section of thick bamboo periphery fixed mounting and has the ring seat, and ring seat upper portion movable mounting has a plurality of first cylinder rollers, and first cylinder roller is laminated with annular bulge lower surface.
Preferably, the drying box body is fixedly provided with an annular limiting seat at the position, located at the periphery of the discharging convex cylinder, of the lower surface of the drying box body, the inner ring wall of the annular limiting seat is provided with a limiting groove, the outer wall of the discharging convex cylinder is fixedly provided with a convex ring plate of an integrated structure, and the convex ring plate is movably clamped with the limiting groove.
Preferably, the inner wall of the discharging protruding cylinder is provided with internal threads, and the lower end of the discharging protruding cylinder is provided with a plug cover in a matched mode through the internal threads.
Preferably, a drying box is communicated between the curved heat absorption pipe and the fan, and a water absorption filling layer is filled in the drying box.
Compared with the prior art, the invention has the advantages that:
according to the invention, water can be heated by the solar heat collector, the heated water is conveyed into the liquid cavity through the heat pump, so that the curved heat absorption pipe is heated, external air is pumped into the curved heat absorption pipe by the fan by starting the fan to be changed into hot air, the hot air is dried by the drying box and then enters the air dispersion pipe to be uniformly sprayed into grains, the granary can be rotated by starting the motor, in the rotating process, the air dispersion pipe is inserted into the granary, the hot air can be uniformly contacted with the grains along with the rotation of the granary, the grain drying efficiency is ensured, and water in the liquid cavity can be circulated to the solar heat collector by the water suction pump to be heated, so that the water in the liquid cavity can be kept at a high temperature state for a long time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural view of a solar heat pump dryer of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
fig. 4 is an enlarged schematic view of the structure at C in fig. 1.
In the figure: 1 drying box body, 2 grain chamber, 3 liquid chamber, 4 granary, 5 rings, 6 ring grooves, 7 protruding ring ribs, 8 discharging protruding cylinders, 9 shaft rings, 10 transmission belts, 11 annular limiting seats, 12 plugs, 13 limiting grooves, 14 protruding ring plates, 15 motors, 16 driving shafts, 17 feeding protruding cylinders, 18 air dispersing pipes, 19 fixed bases, 20 accommodating chambers, 21 fans, 22 air conveying pipes, 23 drying boxes, 24 curved heat absorbing pipes, 25 solar heat collectors, 26 heat pumps, 27 water pumps, 28 annular protruding parts, 29 ring seats, 30 first cylindrical rollers, 31 inclined stirring rods and 32 second cylindrical rollers.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 1-4, the invention provides a solar heat pump dryer, which comprises a drying box body 1, a solar heat collector 25 and a heat pump 26, wherein a grain cavity 2 and a liquid cavity 3 which are separately arranged are arranged in the drying box body 1, a grain bin 4 is arranged in the grain cavity 2, a convex annular rib 7 is fixedly arranged in the middle of the outer side wall of the grain bin 4, a ring 5 is fixedly arranged at the position, located at the convex annular rib 7, of the inner side wall of the grain cavity 2, a ring groove 6 is arranged on the inner side wall of the ring groove 5, the grain bin 4 is clamped into the ring groove 6 through the convex annular rib 7 and is movably connected with the ring groove 5, a discharging convex cylinder 8 is fixedly communicated with the lower part of the grain bin 4, the lower end of the discharging convex cylinder 8 penetrates through the lower surface of the drying box body 1, a shaft ring 9 is fixedly arranged on the outer surface of the, a driving shaft 16 is fixedly installed at the upper end of an output shaft of a motor 15, a shaft ring 9 is in transmission connection with the driving shaft 16 through a transmission belt 10, a feeding convex barrel 17 is fixedly communicated and arranged at the upper part of a granary 4, an air diffusing pipe 18 is arranged inside the granary 4, the lower end of the air diffusing pipe 18 is in a closed state, a plurality of air holes are formed in the surface of the air diffusing pipe 18, a fixed base 19 is fixedly installed on the upper surface of a drying box body 1, an accommodating cavity 20 is formed inside the fixed base 19, a fan 21 is installed inside the accommodating cavity 20, an air outlet end of the fan 21 is communicated and installed with an output pipe 22, the upper end of the air diffusing pipe 18 is fixedly communicated and connected with the output pipe 22, a curved heat absorbing pipe 24 is installed inside a liquid cavity 3, both ends of the curved heat absorbing pipe 24 are in an open state, one end of the curved heat absorbing pipe 24 movably penetrates, the other end of the heat pump 26 is communicated with the liquid cavity 3, the lower end of the liquid cavity 3 is communicated and connected with a water suction pump 27, and the water outlet end of the water suction pump 27 is communicated and connected with the water inlet end of the solar heat collector 25.
In this embodiment, 4 inner walls of granary are even fixed mounting have a plurality of slope puddlers 31, rotate the in-process at granary 4, can stir grain, have improved the efficiency of drying.
In this embodiment, the upper end of the feeding protruding cylinder 17 penetrates through the upper surface of the drying box body 1, the outer side wall of the upper end of the feeding protruding cylinder 17 is fixedly provided with a ring of annular protruding portion 28 of an integrated structure, the upper surface of the drying box body 1 is fixedly provided with a ring seat 29 at the peripheral position of the feeding protruding cylinder 17, the upper portion of the ring seat 29 is movably provided with a plurality of first cylindrical rollers 30, and the first cylindrical rollers 30 are attached to the lower surface of the annular protruding portion 28.
In this embodiment, drying box 1 lower surface is located 8 peripheral position fixed mounting of ejection of compact protrusion section of thick bamboo and has annular spacing seat 11, and spacing groove 13 has been seted up to the inner circle wall of annular spacing seat 11, and 8 outer walls of ejection of compact protrusion section of thick bamboo are fixed and are provided with protruding collar plate 14 of a body structure, and protruding collar plate 14 and 13 activity blocks of spacing groove have improved granary 4 pivoted stability, have reduced the atress of protruding annular rib 7 simultaneously to guarantee that granary 4 can rotate for a long time.
In this embodiment, 8 inner walls of ejection of compact protrusion section of thick bamboo are provided with the internal thread, and 8 lower extremes of ejection of compact protrusion section of thick bamboo install gag 12 through the interior screw-thread fit, through opening gag 12, grain in discharge granary 4 that can be very convenient.
In this embodiment, a drying box 23 is disposed between the curved heat absorbing pipe 24 and the blower 21, and a water absorbing filling layer is filled in the drying box 23 to ensure the dryness of the air entering the air dispersing pipe 18.
The working principle is as follows: solar collector 25 can heat water, water after the heating passes through heat pump 26 and carries to liquid chamber 3 in, thereby heat curved heat-absorbing pipe 24, through starting fan 21, fan 21 is with the curved heat-absorbing pipe 24 of external wind suction, can become hot-blastly, it is dry through dry box 23 to hot-blast, then get into gas diffusion pipe 18, can evenly spout in the grain, can make granary 4 rotate through starter motor 15, the rotation in-process, can stir grain through slope puddler 31, thereby hot-blastly with the comprehensive contact of grain, the efficiency of grain stoving has been guaranteed, can heat liquid chamber 3 normal water circulation to solar collector 25 through suction pump 27, thereby guarantee that liquid chamber 3 normal water can keep the high temperature state for a long time.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the invention, as long as they do not exceed the scope of the invention described in the claims.
Claims (6)
1. The utility model provides a solar thermal energy pump drying-machine, includes stoving box, solar collector and heat pump, its characterized in that: the grain drying box is internally provided with a grain cavity and a liquid cavity which are independently arranged, the grain cavity is internally provided with a grain bin, the middle part of the outer side wall of the grain bin is fixedly provided with a convex ring rib, the inner side wall of the grain cavity is fixedly provided with a ring at the position of the convex ring rib, the inner side wall of the ring is provided with a ring groove, the grain bin is clamped into the ring groove through the convex ring rib and is movably connected with the ring, the lower part of the grain bin is fixedly communicated with a discharging convex cylinder, the lower end of the discharging convex cylinder penetrates through the lower surface of the drying box body, the outer surface of the discharging convex cylinder is fixedly provided with a shaft ring in the grain cavity, the lower surface of the drying box body is fixedly provided with a motor, an output shaft of the motor is movably inserted into the grain cavity, the upper end of the output, the lower end of the air dispersing pipe is in a closed state, a plurality of air holes are formed in the surface of the air dispersing pipe, a fixing base is fixedly mounted on the upper surface of the drying box body, a containing cavity is formed in the fixing base, a fan is mounted in the containing cavity, an output pipe is mounted at the air outlet end of the fan in a communicated mode, the upper end of the air dispersing pipe is fixedly communicated and connected with the output pipe, a curved heat absorbing pipe is mounted in the liquid cavity, the two ends of the curved heat absorbing pipe are in an open state, one end of the curved heat absorbing pipe movably penetrates through the outer wall of the drying box body, the other end of the curved heat absorbing pipe is communicated and connected with the air suction end of the fan, the water outlet end of the solar thermal collector is communicated and connected with the heat pump, the.
2. The solar heat pump dryer of claim 1, wherein: a plurality of inclined stirring rods are uniformly and fixedly arranged on the inner wall of the granary.
3. The solar heat pump dryer of claim 1, wherein: the feeding bulge section of thick bamboo upper end link up stoving box upper surface, the fixed annular bulge that is provided with round body structure of feeding bulge section of thick bamboo upper end lateral wall, stoving box upper surface is located feeding bulge section of thick bamboo periphery fixed mounting and has the ring seat, and ring seat upper portion movable mounting has a plurality of first cylinder roller bearings, and first cylinder roller bearing and the laminating of annular bulge lower surface.
4. The solar heat pump dryer of claim 3, wherein: the lower surface of the drying box body is fixedly provided with an annular limiting seat at the peripheral position of the discharging convex cylinder, the inner ring wall of the annular limiting seat is provided with a limiting groove, the outer wall of the discharging convex cylinder is fixedly provided with a convex ring plate of an integrated structure, and the convex ring plate is movably clamped with the limiting groove.
5. The solar heat pump dryer of claim 4, wherein: the inner wall of the discharging protruding cylinder is provided with internal threads, and the lower end of the discharging protruding cylinder is provided with a plug cover in a matched mode through the internal threads.
6. The solar heat pump dryer of claim 1, wherein: and a drying box is communicated between the curved heat absorption pipe and the fan, and a water absorption filling layer is filled in the drying box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911372203.2A CN111023747B (en) | 2019-12-27 | 2019-12-27 | Solar heat pump dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911372203.2A CN111023747B (en) | 2019-12-27 | 2019-12-27 | Solar heat pump dryer |
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| Publication Number | Publication Date |
|---|---|
| CN111023747A CN111023747A (en) | 2020-04-17 |
| CN111023747B true CN111023747B (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911372203.2A Active CN111023747B (en) | 2019-12-27 | 2019-12-27 | Solar heat pump dryer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113028774A (en) * | 2021-03-12 | 2021-06-25 | 湖南亿泽生态农业科技有限公司 | Rice drying-machine with thermal-arrest function |
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| CN101240976A (en) * | 2007-02-09 | 2008-08-13 | 王明根 | Solar energy and high-temperature double-heat-source heat pump sludge drying system |
| CN102329061A (en) * | 2010-07-12 | 2012-01-25 | 天津重力士净化分离技术有限公司 | Energy-saving and emission-reduction star-wheel sludge drying tower with common application of wind energy and solar energy |
| KR101135555B1 (en) * | 2012-01-31 | 2012-04-13 | 세한에너지 주식회사 | The multipurpose dryer which uses a solar water-heating systems |
| CN202648311U (en) * | 2012-04-27 | 2013-01-02 | 东莞市永淦节能科技有限公司 | Heat pump impulse dryer |
| CN204285970U (en) * | 2014-12-08 | 2015-04-22 | 宁晋阳光新能源有限公司 | A kind of solar cell Printing screen baking box |
| CN204286022U (en) * | 2014-11-12 | 2015-04-22 | 江苏大学 | A kind of solar energy rotary drying system of seaweed biomass |
-
2019
- 2019-12-27 CN CN201911372203.2A patent/CN111023747B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240976A (en) * | 2007-02-09 | 2008-08-13 | 王明根 | Solar energy and high-temperature double-heat-source heat pump sludge drying system |
| CN102329061A (en) * | 2010-07-12 | 2012-01-25 | 天津重力士净化分离技术有限公司 | Energy-saving and emission-reduction star-wheel sludge drying tower with common application of wind energy and solar energy |
| KR101135555B1 (en) * | 2012-01-31 | 2012-04-13 | 세한에너지 주식회사 | The multipurpose dryer which uses a solar water-heating systems |
| CN202648311U (en) * | 2012-04-27 | 2013-01-02 | 东莞市永淦节能科技有限公司 | Heat pump impulse dryer |
| CN204286022U (en) * | 2014-11-12 | 2015-04-22 | 江苏大学 | A kind of solar energy rotary drying system of seaweed biomass |
| CN204285970U (en) * | 2014-12-08 | 2015-04-22 | 宁晋阳光新能源有限公司 | A kind of solar cell Printing screen baking box |
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| CN111023747A (en) | 2020-04-17 |
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