CN110030821A - A kind of coaxial side entering type mixed flow variable device of grain heat-drying - Google Patents
A kind of coaxial side entering type mixed flow variable device of grain heat-drying Download PDFInfo
- Publication number
- CN110030821A CN110030821A CN201910340561.9A CN201910340561A CN110030821A CN 110030821 A CN110030821 A CN 110030821A CN 201910340561 A CN201910340561 A CN 201910340561A CN 110030821 A CN110030821 A CN 110030821A
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- CN
- China
- Prior art keywords
- fluted disc
- opening
- main pipeline
- mixed flow
- round fluted
- 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.)
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Classifications
-
- 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
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
-
- 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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
-
- 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)
- Accessories For Mixers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of coaxial side entering type mixed flow variable devices of grain heat-drying, it includes main pipeline, rotary side enters air bell, air inlet adjusts toothed disc group, bracket, stepper motor, negative-pressure air fan, and rotary side enters air bell and is made of arc shell, helical blade, tubular inner casing；It includes round fluted disc, driving gear that air inlet, which adjusts toothed disc group,；Tubular inner casing is fixedly set in main pipeline arrival end, main pipeline is uniformly arranged inner opening, each inner opening is symmetrical on the same circumference, round fluted disc is sleeved on outside main pipeline, the tooth of round fluted disc is exposed from arc shell terminal edge, round fluted disc is uniformly arranged outward opening, and round fluted disc, being capable of inner opening is completely enclosed and opening in rotary course；Stepper motor connection driving gear, driving gear are engaged with round fluted disc.The configuration of the present invention is simple, it is light-weight, the uniform mixing of air-flow can be realized in extremely short length, low energy consumption, mixes under negative pressure state, and no material stream is lost.
Description
Technical field
The present invention relates to the height of hot and cold air mixing or chemical industry different component gas in Grain Drying Process
Effect precisely mixing, and in particular to be a kind of coaxial side entering type mixed flow variable device of grain heat-drying.
Background technique
With the promotion of China's intelligent machine equipment, refinement is more wanted for the control of grain postharvest treatment machinery
Standard, since in Grain Drying Process, overheat will lead to grain quality variation, therefore control of the wet grain moisture to the temperature for thermal current
Demand processed is very strict.Hot blast temperature is affected by combustion medium, especially in variable temperature drying process, needs Air Temperature
Degree or component change with grain signature variations realization real-time and precise.For the robustness, mixed of heat supply flow mixing device
Conditions dictate is higher.
Especially in the mixed process of different component gas, it is desirable that gas can be in relatively short distance after entering air supply device
It is uniformly mixed, and segregation phenomenon does not occur, difficulty is larger, and requires in subsequent gas use process, can satisfy control
Precision processed accomplishes the control of real-time and precise currently without method.But influenced by production environment condition, it is desirable that limitation mixed flow dress
It sets in lesser size range, it requires that the plant bulk is smaller.And it needs to control processing cost.It is being mixed into air-flow not
In the case where stabilization, the precision of component after mixing is improved, the robustness of gas component is improved.
Summary of the invention
The object of the present invention is to provide a kind of coaxial side entering type mixed flow variable device of grain heat-drying, this grain heat-drying is coaxial
Side entering type mixed flow variable device is for solving the problems, such as that device is excessive in air-flow mixed process in the prior art, mixing is non-uniform.
The technical solution adopted by the present invention to solve the technical problems is: this coaxial side entering type mixed flow variable of grain heat-drying
Device includes main pipeline, rotary side enters air bell, air inlet adjusts toothed disc group, bracket, stepper motor, negative-pressure air fan, rotary side
Enter air bell to be made of arc shell, helical blade, tubular inner casing, arc shell has been connect by helical blade with tubular inner casing
Come；It includes round fluted disc, driving gear that air inlet, which adjusts toothed disc group,；Tubular inner casing is fixedly set in main pipeline arrival end, supervisor
Road is uniformly arranged inner opening, and each inner opening is symmetrical on the same circumference, and round fluted disc is sleeved on outside main pipeline, round fluted disc
Tooth exposed from arc shell terminal edge, round fluted disc is uniformly arranged outward opening, and each outward opening is right on the same circumference
Claim distribution, inner opening and the same size of outward opening, be along the circumferential direction staggered, round fluted disc can incite somebody to action in rotary course
Inner opening is completely enclosed and opens；Bracket has a cylinder, motor fixed platform is arranged on cylinder, stepper motor is mounted on motor
In fixed platform, stepper motor connection driving gear, driving gear is engaged with round fluted disc, the two sides setting of motor fixed platform
Limit switch, limit arcuate distance are equal to the circumferential angle of outward opening；Negative-pressure air fan is arranged in main pipeline outlet end.
Two stop screws, closing between two stop screws and two outward openings are set on round fluted disc in above scheme
The corresponding setting in region is closed, realizes the limit of circular-rotation.
Enclosed region in above scheme on main body road on inner opening and round fluted disc between two outward openings is circumferentially
Opening degree it is equal, and can be realized opening and silent be completely coincident.
Arcuately outer shell outer wall enters by closing between two outward openings helical blade guidance outer gas stream in above scheme
The space in region and inner opening composition is closed, the fixation that main pipeline and rotary side enter air bell is carried out by bolt or rivet or welding
Connection.
Gear width is driven to be far longer than air inlet adjustment toothed disc in above scheme.
Closed area in above scheme on main pipeline between the length of inner opening and two inner openings is equidistant, and right
Claim distribution.
Helical blade number and inner opening are distributed at multiple in above scheme.
The invention has the following advantages:
1, the configuration of the present invention is simple, it is light-weight, the uniform mixing of air-flow can be realized in extremely short length.
2, low production cost of the present invention, installation process are not required to extra support device.
3, controllability of the present invention is high, sensitive reliable, and cooperation sensor, controller have good robustness, makes different groups
The air divided reaches in a short time to be uniformly mixed and can adjust in real time air inlet adjustment fluted disc group with the variation of grain characteristic signal
Corner, thus in a short time adjust main pipeline on the outside of air inflow, make mixed constituent of air uniformity and temperature index
Pre-provisioning request can be reached.
4, the present invention is flowed down using negative pressure state and is taken offence properties of flow, makes full use of air-flow along helical blade, arc shell
Tangential force is flowed, the mixing of air-flow is promoted.
Detailed description of the invention
Fig. 1 is installation diagram of the invention；
Fig. 2 is body supports pipeline and aperture position distribution situation of the invention；
Fig. 3 is that the rotary side of the present apparatus enters the schematic diagram of air bell；
Fig. 4 is the schematic diagram of round fluted disc and stop screw of the invention；
Fig. 5 is the structural schematic diagram of bracket of the present invention；
Fig. 6 is the connection relationship diagram of main pipeline and round fluted disc of the invention
Fig. 7 is the relational graph of round fluted disc and bracket of the invention
Fig. 8 is the relational graph of round tooth and arc shell of the invention.
In figure: 1 main pipeline, 2 rotary sides enter air bell, 3 air inlets adjustment toothed disc group, 4 brackets, 5 stepper motors, open in 6
Mouthful, the enclosed region between 7 two inner openings, 8 arc shells, 9 helical blades, 10 tubular inner casings, 11 air inlet chamferings, outside 12
Opening, 13 left limit screws, 14 right limit screws, 15 fixed platforms, 16 limit switches, 17 motor fixing frames, 18 driving gears,
19 round fluted discs.
Specific embodiment
The present invention will be further described below with reference to the drawings:
In conjunction with shown in Fig. 1-Fig. 8, this coaxial side entering type mixed flow variable device of grain heat-drying includes that main pipeline 1, rotary side enter gas
Stream cover 2, air inlet adjust toothed disc group 3, bracket 4, stepper motor 5, negative-pressure air fan, rotary side enter air bell 2 by arc shell 8,
Helical blade 9, tubular inner casing 10 are constituted, and helical blade 9 connects arc shell 8 and tubular inner casing 10, tubular inner casing 10
Arrival end is provided with air inlet chamfering 11；It includes round fluted disc 19, driving gear 18 that air inlet, which adjusts toothed disc group 3,；Tubular inner casing
10 are fixedly set in 1 arrival end of main pipeline, and bracket 4 has a cylinder, motor fixed platform 15, stepper motor 5 is arranged on cylinder
It is mounted in motor fixed platform 15 by motor fixing frame 17, the connection driving gear 18 of stepper motor 5, driving gear 18 and circle
Shape fluted disc 19 engages.Negative-pressure air fan is arranged in 1 outlet end of main pipeline.Main pipeline 1, rotary side, which enter to form cooperation between air bell 2, to be slided
Turn position slot carries out axial limiting, and driving 18 width of gear is far longer than round fluted disc.
Main pipeline 1 has symmetrical circumferential inner opening 6, and multiple inner openings 6 are circumferentially symmetric, inside open
6 areas of mouth are equal to 7 area of enclosed region between two inner openings, it is equipped with and is open at 6 position outer rim of main pipeline inner opening
Size is identical, the identical air inlet in not opening area adjusts toothed disc group 3, and it is secondary to form excessively cooperation sliding indexing.Round fluted disc 19
It is sleeved on outside main pipeline 1, the tooth of round fluted disc 19 is exposed from 8 terminal edge of arc shell, and round fluted disc 19 is uniformly arranged
Outward opening 12, each outward opening 12 is symmetrical on the same circumference, inner opening 6 and the same size of outward opening 12, along the circumferential direction
It is staggered, round fluted disc 19 can realize rotation under the transmission effect of motor-driven gear 18, make on round fluted disc 19
Inner opening 6 on boxed-in area and main pipeline 1, which is realized, to be relatively rotated, and is reached 6 variable area of inner opening on main pipeline 1, is made to locate
It is mixed in the air-flow that the air-flow flowed in main pipeline 1 enters from from inner opening 6.
Motor is mounted on motor fixing frame 17, and is equipped with limiting device, makes to adjust fluted disc corner to be only an enclosed area
Between arc length.And bracket 4 plays the effect fixed with rear pipeline, and usable bolt is attached.
In pipeline tapping front end, installation rotary side enters air bell 2, and inside uses bolt embedded with spiral guiding drainage mechanism
Or rivet or welding are attached with main pipeline, it is opposing stationary with pipeline, bracket 4.Under the suction of negative-pressure air fan, air-flow warp
Static helical blade 9 is crossed, allows the flow to rotate into the opening on pipeline, enters internal diameter along pipeline surrounding, is made in spiral
Under, so that the air-flow of outside component is carried out rotation with the air-flow of inside component and mix.
1 upper opening of main pipeline and closing area are identical and symmetrical, and front end rear end can be attached with existing pipeline
Installation.Opening area carries out selection design with mixed proportion needed for air-flow component.Round fluted disc 19 is in rotary course, round tooth
Enclosed region on disk 19 between two outward openings can be completely coincident with inner opening 6, make main pipeline 1 at closed state, internal
Air-flow flowing only in main pipeline, under the driving of stepper motor 5, by driving gear 18 to pass to round fluted disc 19, band
Dynamic circle fluted disc 19 is rotated.Realize folding.Right limit screw 14 and left limit screw 13 realize the limit of circular-rotation.Spiral shell
Vane piece 9 can make air-flow carry out screw, the channel constituted into main pipeline inner opening 6 and round fluted disc group enclosed region,
Opening degree can be adjusted by motor in the ventilation zone, and the air-flow of different component is enable to realize in extremely short range uniformly
Mixing.
There is stop screw on round fluted disc 19, two sections of angles of closed interval are equal to center of circle intersection angle.
Limit switch 16 is arranged in the two sides of motor fixed platform 15, and limit arcuate distance is equal to the angle of circumference of outward opening 12
Degree, during rotation, when turning to full-gear, left side limit switch closure, fluted disc is only capable of the band in electric appliance gear at this time
It turns right under dynamic and begins to shut off opening.When totally-enclosed, touching right side limit switch, fluted disc is only capable of in electric appliance gear at this time
It turns left under drive and begins to shut off opening, under full closeding state, left side air-flow component is equal to the rear group after the device
Point.The steering driving cooperation peripheral control unit of motor, the sensor that is located behind carry out using.
It can be attached with rear pipeline after bracket 4, play the role of support.
Flow rotation drives the critical component in shell and the program, and shell is arc-shaped, and inside and internal diameter pipeline phase
The connection place of connecing is attached, is supported by helical-blade 9.Under the guidance of arc shell 8 and helical blade 9, flow rotation into
Enter internal diameter pipeline, is uniformly mixed air-flow in extremely short section.Opening on 9 numbers of helical blade and internal diameter pipeline is at multiple
Distribution.Helical blade 9 can carry out selection rotation direction with equipment region position difference, and outside line size designed size is with component
Constant interval and environment are selected.
The present invention can make the air-flow of different temperatures or component carry out instantaneous uniformly mixing, the air-flow of different temperatures or component by
1 internal diameter of left end main pipeline and rotary side enter air bell 2 and respectively enter.When 1 interior air-flow parameter of main pipeline is undesirable, driving part
Cooperation temperature (concentration) sensor is fed back, and is adjusted air inflow adjustment fluted disc and is rotated angle, controls outside diameter gas influx,
Carry out premix adjusting.Air-flow is to carry out in the case where cooperating negative-pressure air fan using being equal on the outside of main pipeline 1 in entire mixed process
Atmospheric pressure, inside are less than atmospheric pressure.In mixed process, round fluted disc is turned in real time in Coupling Control Unit driving motor
It is dynamic, to control the uniformity of body supports chimneying or component consistency after mixed flow.The body of coaxial side entering type flow mixing device
Product is small, it can be achieved that adjusting in real time, component is simply easy to process, and requirement on machining accuracy is low.Mixed air-flow component uniform one
It causes, in swirling eddy cover under the driving of static air-flow rotating vane, so that flow rotation is entered main flow conduit, further speed up gas
The mixing of stream, reduces mixing length and time.Controllable precision is high, and low energy consumption, mixes under negative pressure state, and no material stream is lost.
Claims (7)
1. a kind of coaxial side entering type mixed flow variable device of grain heat-drying, it is characterised in that: this coaxial side entering type of grain heat-drying is mixed
Flow variables device includes main pipeline (1), rotary side enters air bell (2), air inlet adjusts toothed disc group (3), bracket (4), stepping electricity
Machine (5), negative-pressure air fan, rotary side enter air bell (2) and are made of arc shell (8), helical blade (9), tubular inner casing (10), spiral shell
Vane piece (9) connects arc shell (8) and tubular inner casing (10)；It includes round fluted disc that air inlet, which adjusts toothed disc group (3),
(19), gear (18) are driven；Tubular inner casing (10) is fixedly set in main pipeline (1) arrival end, and main pipeline (1) is uniformly arranged interior open
Mouth (6), each inner opening (6) is symmetrical on the same circumference, and round fluted disc (19) is sleeved on main pipeline (1) outside, round fluted disc
(19) tooth is exposed from arc shell (8) terminal edge, and round fluted disc (19) is uniformly arranged outward opening (12), each outward opening
(12) symmetrical on the same circumference, inner opening (6) and outward opening (12) same size are along the circumferential direction staggered, circle
Shape fluted disc (19), being capable of inner opening (6) are completely enclosed and opening in rotary course；Bracket (4) has a cylinder, on cylinder
It is arranged motor fixed platform (15), stepper motor (5) is mounted on motor fixed platform (15), stepper motor (5) connection driving
Gear (18), driving gear (18) are engaged with round fluted disc (19), and limit switch is arranged in the two sides of motor fixed platform (15)
(16), limit arcuate distance is equal to the circumferential angle of outward opening (12)；Negative-pressure air fan is arranged in main pipeline (1) outlet end.
2. the coaxial side entering type mixed flow variable device of grain heat-drying according to claim 1, it is characterised in that: the circle
Two stop screws are set on fluted disc (19), the corresponding setting of enclosed region between two stop screws and two outward openings,
Realize the limit of circular-rotation.
3. the coaxial side entering type mixed flow variable device of grain heat-drying according to claim 2, it is characterised in that: the supervisor
The opening degree of enclosed region circumferentially on road between inner opening (6) and round fluted disc (19) upper two outward openings is equal, and
It can be realized opening to be completely coincident with silent.
4. the coaxial side entering type mixed flow variable device of grain heat-drying according to claim 3, it is characterised in that: the spiral
Blade (9) guides outer gas stream, and arcuately shell (8) outer wall enters by the enclosed region and inner opening (6) between two outward openings
The space of composition, the fixation that main pipeline (1) enters air bell (2) with rotary side are attached by bolt or rivet or welding.
5. the coaxial side entering type mixed flow variable device of grain heat-drying according to claim 4, it is characterised in that: the driving
Gear (18) width is far longer than round fluted disc.
6. the coaxial side entering type mixed flow variable device of grain heat-drying according to claim 5, it is characterised in that: the supervisor
Enclosed region (7) on road between the length of inner opening (6) and two inner openings is equidistant, and symmetrical.
7. the coaxial side entering type mixed flow variable device of grain heat-drying according to claim 6, it is characterised in that: the spiral
Blade (9) number is distributed with inner opening (6) at multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340561.9A CN110030821B (en) | 2019-04-25 | 2019-04-25 | Grain drying coaxial side-entering type mixed flow variable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340561.9A CN110030821B (en) | 2019-04-25 | 2019-04-25 | Grain drying coaxial side-entering type mixed flow variable device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110030821A true CN110030821A (en) | 2019-07-19 |
| CN110030821B CN110030821B (en) | 2020-06-19 |
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ID=67240337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910340561.9A Active CN110030821B (en) | 2019-04-25 | 2019-04-25 | Grain drying coaxial side-entering type mixed flow variable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110030821B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936703A (en) * | 2021-10-19 | 2022-01-14 | 郑州轻工业大学 | Linkage radiating computer big data storage device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998044836A1 (en) * | 1997-04-07 | 1998-10-15 | Heidenfelder, Roland | Grain mill with a millstone grinding gear |
| CN101755901A (en) * | 2009-12-25 | 2010-06-30 | 王志军 | Totally closed energy-saving three-folded linkage type grain crop quick drying and dust removing machine |
| CN102578224A (en) * | 2012-03-12 | 2012-07-18 | 铁岭市清河区金锋干燥设备有限公司 | Concurrent and mixed flow grain drying tower |
| CN202489137U (en) * | 2012-03-12 | 2012-10-17 | 铁岭市清河区金锋干燥设备有限公司 | Concurrent-mixed flow grain drying tower |
| CN103438015A (en) * | 2013-08-05 | 2013-12-11 | 苏州欧拉工程技术有限公司 | High-efficiency and energy-saving double suction fan |
| CN108518984A (en) * | 2018-05-03 | 2018-09-11 | 淄博电炉厂 | Horizontal double ribbon roller-type resistance furnace systems and its technological process |
-
2019
- 2019-04-25 CN CN201910340561.9A patent/CN110030821B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998044836A1 (en) * | 1997-04-07 | 1998-10-15 | Heidenfelder, Roland | Grain mill with a millstone grinding gear |
| CN101755901A (en) * | 2009-12-25 | 2010-06-30 | 王志军 | Totally closed energy-saving three-folded linkage type grain crop quick drying and dust removing machine |
| CN102578224A (en) * | 2012-03-12 | 2012-07-18 | 铁岭市清河区金锋干燥设备有限公司 | Concurrent and mixed flow grain drying tower |
| CN202489137U (en) * | 2012-03-12 | 2012-10-17 | 铁岭市清河区金锋干燥设备有限公司 | Concurrent-mixed flow grain drying tower |
| CN103438015A (en) * | 2013-08-05 | 2013-12-11 | 苏州欧拉工程技术有限公司 | High-efficiency and energy-saving double suction fan |
| CN108518984A (en) * | 2018-05-03 | 2018-09-11 | 淄博电炉厂 | Horizontal double ribbon roller-type resistance furnace systems and its technological process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936703A (en) * | 2021-10-19 | 2022-01-14 | 郑州轻工业大学 | Linkage radiating computer big data storage device |
| CN113936703B (en) * | 2021-10-19 | 2023-03-21 | 郑州轻工业大学 | Linkage radiating computer big data storage device |
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| Publication number | Publication date |
|---|---|
| CN110030821B (en) | 2020-06-19 |
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