CN115264942A - Grain is dried and is used hot-blast generating device - Google Patents
Grain is dried and is used hot-blast generating device Download PDFInfo
- Publication number
- CN115264942A CN115264942A CN202210962926.3A CN202210962926A CN115264942A CN 115264942 A CN115264942 A CN 115264942A CN 202210962926 A CN202210962926 A CN 202210962926A CN 115264942 A CN115264942 A CN 115264942A
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- China
- Prior art keywords
- shell
- fixed
- main shaft
- generating device
- heating pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
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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
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a hot air generating device for drying grains, which comprises a rectangular shell which is communicated up and down, wherein supporting legs are fixed on the side surface of the shell, a plurality of heating pipes are inserted into the shell, one ends of the heating pipes are fixed on the side surface of the shell and connected with a power supply assembly, and the other ends of the heating pipes are inserted into the side surface of the shell in a sliding manner and connected with a conductive loop assembly. The bottom of the shell is provided with a blower. The heating pipe comprises a fixed end and a main shaft, electrodes are arranged on the side faces of two ends of the main shaft, and spiral radiating fins are further arranged on the main shaft. The stiff end includes that coaxial fixed cover establishes the adapter sleeve in main shaft one end, the adapter sleeve periphery still is fixed with square stationary blade, and adapter sleeve is located square stationary blade dead center. In the invention, one end of the heating pipe is fixed on the equipment shell, and the other end of the heating pipe can freely slide in the sliding sleeve, when the temperature of the heating pipe rises or falls, the length change generated by expansion with heat and contraction with cold can be flexibly absorbed by the sliding end, and the service lives of the shell and the heating pipe are prolonged.
Description
Technical Field
The invention relates to the field of grain processing, in particular to a hot air generating device for drying grains.
Background
Can store for a long time for grain, often need dry it before the storage, the grain stoving mode of commonly using is hot air drying, lets the air become hot-air through heating device promptly, uses hot-air to dry the operation to grain afterwards, and heating device adopts electric heating pipe usually, in actual use, often can produce the problem: 1. in the heating-cooling circulation process of the heating pipe, expansion with heat and contraction with cold are often generated, and under normal conditions, two ends of the heating pipe are fixed in the equipment shell and cannot move freely, so that when the heating pipe expands with heat and contracts with cold, the equipment shell generates convex or concave deformation along with the extension or contraction of the heating pipe, and when the heating pipe is used for a long time, the equipment shell is damaged, and the heating pipe is easy to fall off from the shell or is directly broken; 2. the bottom of the heating pipe is often provided with a blower for rapidly heating airflow, however, if the airflow speed is too high, the airflow cannot be fully contacted with the heating pipe to heat, so that energy waste and incomplete grain drying are caused; 3. when the heating pipe is fixed on the equipment shell, more fixing bolts are often needed to be consumed, and the material waste is caused.
Disclosure of Invention
The invention mainly aims to provide a hot air generating device for drying grains, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a grain is dried and is used hot-blast generating device, includes the rectangle shell that link up from top to bottom, the shell side is fixed with the stabilizer blade, the inside interlude of shell has a plurality of heating pipes, heating pipe one end is fixed in the shell side and is connected with the power supply module, and the other end then slides and alternates in the shell side and be connected with the conductive loop subassembly. And the bottom of the shell is provided with an air blower.
Further, the heating pipe includes stiff end and main shaft, main shaft both ends side all is equipped with the electrode, still be equipped with radiator unit on the main shaft.
Further, the stiff end includes that coaxial fixed cover establishes the adapter sleeve in main shaft one end, the adapter sleeve periphery still is fixed with square stationary blade, and the adapter sleeve is located square stationary blade dead center.
Furthermore, through holes are formed in two opposite side faces of the shell, a sliding sleeve is coaxially inserted and fixed in the through hole in one side, the inner diameter of the sliding sleeve is the same as the radius of the main shaft, and the radius of the through hole in the other side is the same as the outer diameter of the fixed sleeve; during installation, a main shaft of the heating pipe extends into the sliding sleeve from the through hole in one side and is finally inserted into the sliding sleeve on the through hole in the other side, then the fixing sleeve is inserted and fixed in the through hole in the other side, meanwhile, the square fixing piece is tightly attached to the outer wall of the shell and fixed, and electrodes at two ends of the main shaft are located on the outer side of the shell.
Furthermore, the square fixing pieces are fixed on the outer wall of the shell through bolts, the upper row of square fixing pieces and the lower row of square fixing pieces are staggered by one half of the side length, and the positions of feet, close to each other, of the two adjacent square fixing pieces and the position in the middle of the top edge of the square fixing piece below the feet are fixed in a unified mode through one bolt.
Furthermore, the power supply assembly comprises a conductive sheet fixed on the electrode, the conductive sheet is connected with a power line, a line collecting hole is formed in the side face of the shell, and the power line enters the shell through the line collecting hole and penetrates out of the adjacent side face. The conductive loop assembly is also a conductive sheet secured to the electrode.
Furthermore, the heat dissipation assembly is dense spiral heat dissipation fins which surround the main shaft and are sequentially and densely arranged.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, one end of the heating pipe is fixed on the equipment shell, and the other end of the heating pipe can freely slide in the sliding sleeve, when the temperature of the heating pipe rises or falls, the length change generated by expansion with heat and contraction with cold can be flexibly absorbed by the sliding end, so that the pushing and pulling or contraction force can not be generated on the equipment shell, the smoothness of the shell is kept, and the service life of the shell is prolonged. Similarly, the heating pipe is prevented from falling off the housing or directly breaking due to the failure of smooth expansion or contraction.
2. According to the invention, the spiral radiating fins are sleeved on the heating pipe main shaft, so that the contact area between the heating pipe and air is greatly increased, the heat on the heating pipe can be fully transferred to the air, on one hand, the waste of energy is avoided, and on the other hand, the air temperature is increased, so that the drying effect of the heating pipe on grains is more thorough.
3. According to the invention, the upper row of square fixing pieces and the lower row of square fixing pieces are staggered with each other, the adjacent square fixing pieces and the square fixing pieces right below can be fixed by using one bolt, the square fixing pieces can fix the heating pipes connected with the square fixing pieces, namely, one bolt can fix three heating pipes, and the fixing efficiency of a single bolt is greatly improved.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of a single heater tube configuration of the present invention;
FIG. 3 is a schematic front view of the present invention;
fig. 4 is a schematic view of a back view structure of the present invention.
In the figure: 1. a housing; 2. a support leg; 3. heating a tube; 4. a blower; 5. a main shaft; 6. an electrode; 7. fixing the sleeve; 8. a square fixing sheet; 9. a sliding sleeve; 10. a conductive sheet; 11. a power line; 12. a wire collecting hole; 13. and a spiral radiating fin.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, a hot air generator for drying grain comprises a hot air generator for drying grain, which comprises a rectangular casing 1 that is through from top to bottom, wherein support legs 2 are fixed on the side surface of the casing 1, a plurality of heating pipes 3 are inserted into the casing 1, one ends of the heating pipes 3 are fixed on the side surface of the casing 1 and connected with a power supply assembly, and the other ends are inserted into the side surface of the casing 1 in a sliding manner and connected with a conductive loop assembly; the bottom of the shell 1 is provided with a blower 4. The heating pipe 3 comprises a fixed end and a main shaft 5, the side surfaces of two ends of the main shaft 5 are respectively provided with an electrode 6, and intensive spiral cooling fins 13 are densely distributed in sequence around the main shaft 5. The fixed end comprises a fixed sleeve 7 coaxially and fixedly sleeved at one end of the main shaft 5, a square fixing piece 8 is further fixed on the periphery of the fixed sleeve 7, and the fixed sleeve 7 is located in the center of the square fixing piece 8. Through openings are formed in two opposite side faces of the shell 1, a sliding sleeve 9 is coaxially inserted and fixed in the through opening in one side, the inner diameter of the sliding sleeve 9 is the same as the radius of the main shaft 5, and the radius of the through opening in the other side is the same as the outer diameter of the fixed sleeve 7; during installation, the main shaft 5 of the heating pipe 3 extends into the sliding sleeve 9 on the through hole on the other side from the through hole on one side and is finally inserted into the through hole on the other side, then the fixing sleeve 7 is inserted and fixed in the through hole on the other side, the square fixing piece 8 is tightly attached to the outer wall of the shell 1 and fixed, and the electrodes 6 at two ends of the main shaft 5 are located on the outer side of the shell 1. The square fixing pieces 8 are fixed on the outer wall of the shell 1 through bolts, the upper row of square fixing pieces 8 and the lower row of square fixing pieces 8 are staggered by one half of the side length, and the bottom foot positions of the two adjacent square fixing pieces 8 close to each other and the middle position of the top edge of the square fixing piece 8 below the bottom foot are fixed in a unified mode through one bolt. The power supply assembly comprises a conducting strip 10 fixed on the electrode 6, a power line 11 is connected to the conducting strip 10, a line receiving hole 12 is formed in the side face of the shell 1, and the power line 11 enters the shell 1 through the line receiving hole 12 and penetrates out of the adjacent side face. The conductive loop assembly is also a conductive strip 10 secured to the electrode 6.
It should be noted that the working principle of the hot air generating device for drying the grains provided by the invention is as follows: the air blower 4 blows air into the shell 1 from bottom to top, the heating pipe 3 is electrified to heat the air, and the hot air is blown into the grain storage related equipment from an opening at the top of the shell 1. After the heating pipe 3 is heated and expanded, because only one end of the main shaft 5 is fixed, and the other end of the main shaft is sleeved in the sliding sleeve 9 in a sliding manner, the adverse effect of thermal expansion and cold contraction on equipment can be offset, and the service life of the equipment is prolonged.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a grain is dried and is used hot-blast generating device which characterized in that: the heating device comprises a rectangular shell (1) which is through up and down, wherein supporting legs (2) are fixed on the side surface of the shell (1), a plurality of heating pipes (3) are inserted into the shell (1), one ends of the heating pipes (3) are fixed on the side surface of the shell (1) and connected with a power supply assembly, and the other ends of the heating pipes (3) are inserted into the side surface of the shell (1) in a sliding manner and connected with a conductive loop assembly; and the bottom of the shell (1) is provided with an air blower (4).
2. The hot air generating device for drying grain according to claim 1, characterized in that: heating pipe (3) include stiff end and main shaft (5), main shaft (5) both ends side all is equipped with electrode (6), still be equipped with radiator unit on main shaft (5).
3. The hot air generating device for drying grain according to claim 2, characterized in that: the stiff end includes that coaxial fixed cover establishes at fixed sleeve (7) of main shaft (5) one end, fixed sleeve (7) periphery still is fixed with square stationary blade (8), and fixed sleeve (7) are located square stationary blade (8) centre of dead.
4. The grain drying hot air generating device according to claim 3, characterized in that: through openings are formed in two opposite side faces of the shell (1), a sliding sleeve (9) is coaxially and fixedly inserted into the through opening in one side, the inner diameter of the sliding sleeve (9) is the same as the radius of the main shaft (5), and the radius of the through opening in the other side is the same as the outer diameter of the fixed sleeve (7); during installation, a main shaft (5) of the heating pipe (3) extends into the through hole on one side and is finally inserted into the sliding sleeve (9) on the through hole on the other side, then the fixing sleeve (7) is inserted and fixed into the through hole on the other side, the square fixing piece (8) is attached to and fixed on the outer wall of the shell (1), and the electrodes (6) at the two ends of the main shaft (5) are located on the outer side of the shell (1).
5. The hot air generating device for drying grain according to claim 4, characterized in that: the square fixing pieces (8) are fixed on the outer wall of the shell (1) through bolts, the upper row of square fixing pieces (8) and the lower row of square fixing pieces (8) are staggered by one half of the side length, and the positions of feet, close to each other, of two adjacent square fixing pieces (8) and the position in the middle of the top edge of the square fixing piece (8) below the feet are fixed in a unified mode through one bolt.
6. The hot air generating device for drying grain according to claim 2, characterized in that: the power supply assembly comprises a conducting strip (10) fixed on an electrode (6), a power line (11) is connected onto the conducting strip (10), a line taking-up hole (12) is formed in the side surface of the shell (1), and the power line (11) enters the shell (1) from the line taking-up hole (12) and penetrates out of the adjacent side surface; the conductive loop component is also a conductive sheet (10) fixed on the electrode (6).
7. The hot air generating device for drying grain according to claim 2, characterized in that: the heat dissipation assembly is dense spiral heat dissipation fins (13) which surround the main shaft (5) and are densely arranged in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210962926.3A CN115264942A (en) | 2022-08-11 | 2022-08-11 | Grain is dried and is used hot-blast generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210962926.3A CN115264942A (en) | 2022-08-11 | 2022-08-11 | Grain is dried and is used hot-blast generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115264942A true CN115264942A (en) | 2022-11-01 |
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ID=83750458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210962926.3A Pending CN115264942A (en) | 2022-08-11 | 2022-08-11 | Grain is dried and is used hot-blast generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115264942A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207570134U (en) * | 2017-11-27 | 2018-07-03 | 蒲县宏源煤业集团有限公司 | A kind of mine shaft electrical heating hot wind machine set system |
| CN109282490A (en) * | 2018-08-22 | 2019-01-29 | 嘉兴美斯克电气科技有限公司 | A kind of toilet hot air apparatus jet structure |
| CN109373579A (en) * | 2018-12-04 | 2019-02-22 | 山东天鹅棉业机械股份有限公司 | Cotton air duct electric heating tube fixed structure and hot-blast stove |
| CN110160262A (en) * | 2019-05-08 | 2019-08-23 | 中国科学院工程热物理研究所 | Adjustable electric-heating heat air-stream generating device |
| CN110207371A (en) * | 2019-05-31 | 2019-09-06 | 陈桂军 | A kind of heater for supercritical generating sets vent gas treatment |
| CN212930191U (en) * | 2020-08-28 | 2021-04-09 | 斯宝亚创(天津)电器有限公司 | Device for reducing noise of electric heater and protecting heating tube |
| KR102266024B1 (en) * | 2020-11-10 | 2021-06-16 | 박영전 | Explosion Proof Air Duct Heater |
| CN214791919U (en) * | 2021-04-19 | 2021-11-19 | 浙江万森电热设备股份有限公司 | Air duct type electric heater |
-
2022
- 2022-08-11 CN CN202210962926.3A patent/CN115264942A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207570134U (en) * | 2017-11-27 | 2018-07-03 | 蒲县宏源煤业集团有限公司 | A kind of mine shaft electrical heating hot wind machine set system |
| CN109282490A (en) * | 2018-08-22 | 2019-01-29 | 嘉兴美斯克电气科技有限公司 | A kind of toilet hot air apparatus jet structure |
| CN109373579A (en) * | 2018-12-04 | 2019-02-22 | 山东天鹅棉业机械股份有限公司 | Cotton air duct electric heating tube fixed structure and hot-blast stove |
| CN110160262A (en) * | 2019-05-08 | 2019-08-23 | 中国科学院工程热物理研究所 | Adjustable electric-heating heat air-stream generating device |
| CN110207371A (en) * | 2019-05-31 | 2019-09-06 | 陈桂军 | A kind of heater for supercritical generating sets vent gas treatment |
| CN212930191U (en) * | 2020-08-28 | 2021-04-09 | 斯宝亚创(天津)电器有限公司 | Device for reducing noise of electric heater and protecting heating tube |
| KR102266024B1 (en) * | 2020-11-10 | 2021-06-16 | 박영전 | Explosion Proof Air Duct Heater |
| CN214791919U (en) * | 2021-04-19 | 2021-11-19 | 浙江万森电热设备股份有限公司 | Air duct type electric heater |
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