CN109941777A - A kind of solid granule discharge control device - Google Patents
A kind of solid granule discharge control device Download PDFInfo
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- CN109941777A CN109941777A CN201910367962.3A CN201910367962A CN109941777A CN 109941777 A CN109941777 A CN 109941777A CN 201910367962 A CN201910367962 A CN 201910367962A CN 109941777 A CN109941777 A CN 109941777A
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- bulk cargo
- bulk
- discharge control
- control device
- rectangular tube
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Abstract
The present invention relates to a kind of solid granule discharge control devices comprising material bin, bulk cargo driving device and discharge control device shell composition.Vibrator is provided with outside the material bin, material bin is internally provided with conical flow guiding cover.Discharge control device shell is mainly made of the bulk cargo feeding channel of Bulk material pipe and case top, and Bulk material pipe is made of two equal round tubes of diameter, and bulk cargo feeding channel is made of two rectangular tubes.By being flexible coupling flange and damper is connected and fixed between material bin and bulk cargo feeding channel.Bulk cargo driving device is provided with helical blade and driving motor, and totally two groups of helical blades are fixed in Bulk material pipe.The present invention is able to achieve discharge device top bulk cargo approximation overall flow, and apparent Flow of Goods and Materials deflection, obstruction and VELOCITY DISTRIBUTION non-uniform phenomenon do not occur.This solid granule discharge control device can be run at a higher temperature, the movement of Yi Shixian bulk cargo continuous-stable under lower flow velocity.
Description
Technical field
The present invention relates to a kind of solid granule discharge control device, mainly for especially powder in certain particle size range
Bulk cargo flowing control, is mainly used for high temperature bulk material heat exchanger, the present apparatus can realize bulk cargo continuous-stable under lower flow velocity
Movement.
Background technique
Can generate the bulk or powdery bulk cargo of a large amount of high temperature during the industry productions such as metallurgy, building materials, these bulk cargos it is cold
But mode is broadly divided into directly heat exchange and indirect heat exchange, and indirect heat exchange is kept away since heat transferring medium and bulk cargo are by heat-transfer surface isolation
The problems such as dedusting, bulk cargo or heat transferring medium pollute is exempted from, application prospect is more wide.Indirect heat exchange method mainly has pipe row's formula to change
Hot device and plate heat exchanger, bulk cargo are full of entire heat exchanger, flow in heat exchanger by gravity drive.Bulk cargo is in heat exchanger
Interior flow regime is mainly controlled by heat exchanger structure and discharge device.The performance of discharge device is to safety in production and improves heat exchange
Device efficiency is particularly significant.
Discharge device mainly has butterfly valve, slide valve, star discharge valve and discharge with endless screw device etc. at present.Butterfly valve and slide valve are logical
Valve opening size is crossed to control bulk cargo flowing, due to its design feature, above-mentioned discharge device bulk cargo flow rate control accuracy is poor, model
Enclose narrow, the material speed on valve body top is uneven, Flow of Goods and Materials deflection, pause and transition in rhythm or melody easily occurs, part quickly stream or stagnation flow.Star
Type blow-off valve and discharge with endless screw device pass through star-like blade and helical blade continuous rotation discharge bulk cargo, discharge device top bulk cargo stream
Dynamic state is influenced by star-like spacing with blades and screw pitch, and when spacing with blades and screw pitch smaller than feeding inlet, Yi Fasheng Flow of Goods and Materials is inclined
Tiltedly, part is easy there is quickly stream and stagnation flow, it is difficult to which leaf is worked as in approximate whole, the continuous flowing for realizing bulk cargo above discharge device
When piece interval and screw pitch bigger than feeding inlet, discharge device volume is big, and bulk cargo flow rate control accuracy is poor.
Summary of the invention
The present invention provides a kind of a kind of solid granule discharge control device that can be overcome the shortage of prior art, row of the invention
Expect that device bulk cargo flow blockage risk is small, Yi Shixian bulk cargo overall flow, this solid granule discharge control device can be higher
At a temperature of run, the movement of Yi Shixian bulk cargo continuous-stable under lower flow velocity.The present invention is convenient for disassembly and assembly, convenient for therein
Component is maintained or is replaced.
The technical scheme of the present invention is realized as follows:
A kind of solid granule discharge control device of the invention, by the soft acting flange of material bin, material bin, vibration machine,
Soft acting flange, bulk cargo driving device, discharge control device shell and damper composition, material bin top and the soft acting flange of material bin
It is connected, is connected between bottom and discharge control device shell by soft acting flange, passes through damper and row on the outside of material bin cabinet
Expect that control device shell is connected, cabinet wall surface is provided with vibration machine on the outside of material bin, and two bulk cargo driving devices are by dissipating
Material driving device mounting flange is connected with discharge control device shell.
The discharge control device shell is mainly by the bulk cargo feeding channel group of Bulk material pipe and Bulk material tube top portion
At, the Bulk material pipe is made of two equal round tubes of diameter, respectively Bulk material pipe one and Bulk material pipe two,
It is connected by Bulk material tube fixing device, distance is greater than round tube diameter, Bulk material pipe between two Bulk material pipe rotation centers
End is provided with driving device connecting flange and discharge gate, and it is solid that Bulk material bottom of the tube is provided with solid granule discharge control device
Fixed rack, Bulk material tube top portion are provided with bulk cargo feeding channel, and the bulk cargo feeding channel is by the identical rectangle of two sizes
Pipe composition, respectively bulk cargo pan feeding rectangular tube one and bulk cargo pan feeding rectangular tube two, two rectangular tubes, which are staggered front to back, rearranges one
Inverted V type, one bottom of bulk cargo pan feeding rectangular tube are connected with Bulk material pipe one, two bottom of bulk cargo pan feeding rectangular tube and Bulk material pipe
Two are connected, and two rectangular tube top longitudinal edge one end are fixed together, and rectangular tube the same side short side extended line on the same line, forms
Rectangle bulk cargo feeding inlet.
Bulk cargo feeding channel two sides are provided with support plate, respectively one support plate of bulk cargo pan feeding rectangular tube and bulk cargo pan feeding square
Two support plate of shape pipe, one support plate of bulk cargo pan feeding rectangular tube top are fixed on bulk cargo pan feeding rectangular tube one, and bottom is fixed on scattered
On material conveying tube two, it is fixed on bulk cargo pan feeding rectangular tube two at the top of two support plate of bulk cargo pan feeding rectangular tube, bottom is fixed on scattered
On material conveying tube one.
Material bin support base is provided on discharge control device shell, the support base is mainly by support base, support rod
It is formed with connecting flange, one bottom of material bin support base and one phase of two support plate of bulk cargo pan feeding rectangular tube and bulk cargo pan feeding rectangular tube
Fixed, three bottom of material bin support base is fixed with one support plate of bulk cargo pan feeding rectangular tube and bulk cargo pan feeding rectangular tube two-phase, pan feeding
Bucket support base two and material bin support base four are fixed on Bulk material pipe.
Bulk cargo driving device is mainly made of driving motor, helical blade and driving device bracket.Totally two groups of bulk cargo drivings
Device passes through bulk cargo driving device mounting flange respectively and connect with Bulk material pipe one and two end driving device of Bulk material pipe
Flange is mutually fixed.The helical blade blade quantity can be monolithic or multi-disc, and screw pitch should be greater than rectangular tube bond length, leaf
Piece diameter, screw pitch and quantity can require to design according to bulk cargo flow behavior, discharge flow and speed control.
It is provided with cooling medium inlet outside shell on driving device bracket for fixing helical blade rolling bearing and goes out
Mouthful, for cooling down rolling bearing, gear drive, pulley drive can be leaned between driving motor and helical blade.Driving device
Bracket one end is connected with protective cover, and protective cover is for closing rotary part.
Driving motor revolving speed is adjustable, and revolution speed of screw can be adjusted according to driving motor revolving speed and then realizes mass flow control
System.
Wall surface surrounding is provided with vibrator connecting bracket and material bin fixed frame outside material bin, and material bin fixed frame passes through
Damper is connected with discharge control device shell, and two groups of vibration machines are fixed in vibrator connecting bracket, vibration machine
It can select to open or close according to Flow of Goods and Materials characteristic, prevent material in material bin bridging, obstruction.
Material bin is internally provided with conical flow guiding cover, prevents Flow of Goods and Materials deflection, and speed is uneven, pyramid side isosceles
Triangle and the angle of bottom surface are greater than bulk cargo stocking angle.
The present invention has the following advantages:
1. controlling bulk cargo flowing by two groups of flat spin feeding devices, blade diameter, screw pitch and quantity can be according to bulk cargos
Flow behavior, discharge flow and speed control require design, easily reach the flow behavior of requirement.Solid granule discharge control device
It is provided with vibration machine, can be opened or closed according to Flow of Goods and Materials characteristic and state selection, prevent bulk cargo from building bridge, obstruction,
Guarantee the whole continuous flowing of material.
Connect 2. the setting of solid granule discharge control device can be rotated by the helical blade of solid granule discharge control device
Continuous feeding makes the bulk cargo in material bin integrally flow downward, and compared to existing discharge device, the present apparatus will not occur material and exist
Heat exchanging segment causes Flow of Goods and Materials deflection, pause and transition in rhythm or melody above discharge device, part quickly flowing by valve mechanism or rotating vane structure
It is flowed with stagnation, bulk cargo speed control is accurate.
3. the rotational speed of driving unit of solid granule discharge control device is adjustable, spiral can be adjusted according to rotational speed of driving unit
Revolving speed realizes material speed variation, and bulk cargo flowing velocity adjustable range is wide, control precision is high.
4. being provided with conical flow guiding cover in solid granule discharge control device material bin, Flow of Goods and Materials deflection, speed are prevented
Unevenly.
5. being provided with cooling medium inlet outside the shell of the fixed helical blade rolling bearing of solid granule discharge control device
And outlet improves the operating temperature of discharge control device for cooling down rolling bearing.
6. a kind of solid granule discharge control device of the present invention is small in size, compact-sized, convenient for disassembly and assembly.
Detailed description of the invention
Fig. 1 is one embodiment of the present of invention axis side schematic diagram
Fig. 2 is one embodiment of the present of invention side view
Fig. 3 is one embodiment of the present of invention front view
Fig. 4 is material bin bottom view
Fig. 5 is material bin main view
Fig. 6 is bulk cargo driving device top view
Fig. 7 is bulk cargo driving device main view
Fig. 8 is discharge control device shell axis side schematic diagram
Fig. 9 is discharge control device shell top view
In figure: 1 is the soft acting flange of material bin, and 2 be material bin, and 2-1 is material bin material inlet port flange, and 2-2 is material bin
Adaptor for product discharge flange, 2-3 are vibrator connecting bracket, and 2-4 is material bin fixed frame, and 2-5 is conical flow guiding cover, and 3 be vibration hair
Raw device, 4 be soft acting flange, and 5 be bulk cargo driving device, and 5-1 is driving motor, and 5-2 is helical blade, and 5-3 is bulk cargo driving dress
Mounting flange is set, 5-4 is the fixed shell of helical blade rolling bearing, and 5-5 is cooling medium outlet, and 5-6 enters for cooling medium
Mouthful, 5-7 is protective cover, and 5-8 is driving device bracket, and 6 be discharge control device shell, and 6-1 is feeding inlet, and 6-2 is material bin
Support base one, 6-3 are bulk cargo pan feeding rectangular tube one, and 6-4 is two support plate of bulk cargo pan feeding rectangular tube, and 6-5 is Bulk material pipe one,
6-6 is one adaptor for product discharge flange of Bulk material pipe, and 6-7 is Bulk material tube fixing device, and 6-8 is material bin support base two, and 6-9 is
Two adaptor for product discharge flange of Bulk material pipe, 6-10 are Bulk material pipe two, and 6-11 is bulk cargo pan feeding rectangular tube two, and 6-12 is pan feeding
Struggle against support base three, 6-13 be one support plate of bulk cargo pan feeding rectangular tube, 6-14 be bulk cargo driving device mounting flange two, 6-15 be into
Hopper support seat four, 6-16 are bulk cargo driving device mounting flange one, and 6-17 is the fixed bracket of solid granule discharge control device,
7 be damper.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, technical solution in the embodiment of the present invention carry out it is clear, it is complete
Whole description, it is clear that described embodiment is only literary invention a part of the embodiment, rather than whole embodiments.Based on this
Embodiment in invention, those skilled in the art's every other implementation obtained without making creative work
Example, shall fall within the protection scope of the present invention.
By Fig. 1-3 as it can be seen that a kind of solid granule discharge control device of the present invention is mainly by the soft acting flange 1 of material bin, pan feeding
Bucket 2, vibration machine 3, soft acting flange 4, bulk cargo driving device 5, discharge control device shell 6 and damper 7 form.Material bin
2 are internally provided with conical flow guiding cover 2-5, and 2 top of material bin is connected with the soft acting flange 1 of material bin, 2 bottom of material bin and discharge control
It is connected and fixed between device housing 6 processed by soft acting flange 4, passes through damper 7 and discharge control device on the outside of 2 cabinet of material bin
Shell 6 is connected, and 2 outside cabinet wall surface of material bin is provided with vibration machine 3, and two bulk cargo driving devices 5 are driven by bulk cargo
Device mounting flange 6-14,6-16) it is connected with discharge control device shell 6.
2 structural schematic diagram of material bin is as shown in 4,5, and top is provided with material bin material inlet port flange 2-1, and bottom is provided with
Material bin adaptor for product discharge flange 2-2,2 outside wall surface surrounding of material bin is provided with vibrator connecting bracket 2-3 and material bin is fixed
Frame 2-4.Material bin 2 is internally provided with conical flow guiding cover 2-5.
Bulk cargo driving device 5, the shell of the driving device one end bracket 5-8 and driving motor 5-1 and helical blade rolling bearing
Body 5-4 phase is fixed, and the driving device bracket 5-8 other end is connected with protective cover 5-7, on the shell 5-4 of helical blade rolling bearing
It is provided with cooling medium inlet 5-6 and cooling medium outlet 5-5, one end is fixed with bulk cargo driving device mounting flange 5-3 phase,
Helical blade 5-2 rotary shaft one end is fixed in the shell 5-4 of helical blade rolling bearing.
6 structural schematic diagram of discharge control device shell is as shown in 6,7, and discharge control device shell 6 is mainly by Bulk material
The bulk cargo feeding channel in pipe and Bulk material tube top portion forms.The Bulk material pipe is made of two equal round tubes of diameter,
Respectively two 6-10 of one 6-5 of Bulk material pipe and Bulk material pipe is connected by Bulk material tube fixing device 6-7, and two dissipate
Distance is greater than round tube diameter between material conveying tube rotation center, and Bulk material tube end is provided with driving device connecting flange and discharge
Mouthful, Bulk material bottom of the tube is provided with the fixed bracket 6-17 of solid granule discharge control device, and Bulk material tube top portion is provided with
Bulk cargo feeding channel, the bulk cargo feeding channel are made of the identical rectangular tube of two sizes, respectively bulk cargo pan feeding rectangular tube
Two 6-11 of one 6-3 and bulk cargo pan feeding rectangular tube, two rectangular tubes, which are staggered front to back, rearranges an inverted V type, bulk cargo pan feeding rectangular tube
One bottom 6-3 is connected with one 6-5 of Bulk material pipe, two bottom 6-11 of bulk cargo pan feeding rectangular tube and two 6-10 phase of Bulk material pipe
Even.Two rectangular tube top longitudinal edge one end are fixed together, and rectangular tube the same side short side extended line on the same line, is organized rectangular
Bulk cargo feeding inlet 6-1.Bulk cargo feeding channel two sides are provided with support plate, respectively one support plate 6-13 of bulk cargo pan feeding rectangular tube and
Two support plate 6-4 of bulk cargo pan feeding rectangular tube.Bulk cargo pan feeding rectangular tube is fixed at the top of one support plate 6-13 of bulk cargo pan feeding rectangular tube
On one 6-3, bottom is fixed on two 6-10 of Bulk material pipe.Bulk cargo is fixed at the top of two support plate 6-4 of bulk cargo pan feeding rectangular tube
On two 6-11 of pan feeding rectangular tube, bottom is fixed on one 6-5 of Bulk material pipe.Pan feeding is provided on discharge control device shell 6
Struggle against 2 support bases, and the support base is mainly made of support base, support rod and connecting flange, one bottom 6-2 of material bin support base
It is fixed with two support plate 6-4 of bulk cargo pan feeding rectangular tube and one 6-3 phase of bulk cargo pan feeding rectangular tube, three bottom 6-12 of material bin support base
Fixed with one support plate 6-13 of bulk cargo pan feeding rectangular tube and two 6-11 phase of bulk cargo pan feeding rectangular tube, two 6-8 of material bin support base and
Four 6-15 of material bin support base is fixed on Bulk material pipe.
In operation, the bulk cargo in 2 top heat exchanger of material bin is continuously fallen into heat exchanger of the invention under the effect of gravity
Material bin 2, the vibration machine 3 on material bin 2 drives material bin 2 to vibrate, so that the bulk cargo in material bin is in vibration and gravity
The lower entirety of effect moves downward, and into bulk cargo pan feeding rectangular tube, driving motor 5-1 drives helical blade 5-2 rotation, will be by bulk cargo
Pan feeding rectangular tube falls into the discharge of the bulk cargo in Bulk material pipe.By adjust driving motor 5-1 revolving speed come adjust revolution speed of screw into
And realize material flow control.Conical flow guiding cover 2-5 inside vibration machine 3 and material bin 2 outside material bin 2, which is cooperateed with, to be made
With bulk cargo bridge formation, flowing deflection is prevented, unevenly equal flowing corruptions speed occur.Material bin 2 and top heat exchanger and bottom
It is connected between portion's discharge control device shell 6 by soft acting flange, prevents material bin vibration from heat exchanger and discharge being caused to control dress
Set hull vibration.It is provided with cooling medium inlet 5-6 and outlet 5-5 outside the shell 5-4 of fixed helical blade rolling bearing, is used for
Cooling rolling bearing, improves the operating temperature of discharge control device.
A kind of solid granule discharge control device of the present invention is small in size, compact-sized, convenient for disassembly and assembly, when being examined
The connecting flange of each component of need to only dismantling when looking into, clean, repair or replace component can split whole device.
Claims (9)
1. a kind of solid granule discharge control device, it is characterised in that: by the soft acting flange of material bin (1), material bin (2), vibration
Generator (3), soft acting flange (4), bulk cargo driving device (5), discharge control device shell (6) and damper (7) composition, pan feeding
It is connected at the top of bucket (2) with the soft acting flange of material bin (1), passes through soft acting flange (4) between bottom and discharge control device shell (6)
Connection, material bin (2) cabinet outside are connected by damper (7) with discharge control device shell (6), case on the outside of material bin (2)
Body wall face is provided with vibration machine (3), and two bulk cargo driving devices (5) pass through bulk cargo driving device mounting flange and discharge control
Device housing (6) processed is connected.
2. a kind of solid granule discharge control device according to claim 1, it is characterised in that: the discharge control device shell
Body (6) includes the bulk cargo feeding channel of Bulk material pipe and Bulk material tube top portion, and the Bulk material pipe is by two diameter phases
Deng round tube composition, respectively Bulk material pipe one (6-5) and Bulk material pipe two (6-10) are fixed by Bulk material pipe
Frame (6-7) is connected, and distance is greater than round tube diameter between two Bulk material pipe rotation centers, and Bulk material tube end is provided with driving
Device connecting flange and discharge gate, Bulk material bottom of the tube are provided with solid granule discharge control device and fix bracket (6-17),
Bulk material tube top portion is provided with bulk cargo feeding channel, and the bulk cargo feeding channel is made of the identical rectangular tube of two sizes,
Respectively bulk cargo pan feeding rectangular tube one (6-3) and bulk cargo pan feeding rectangular tube two (6-11), two rectangular tubes, which are staggered front to back, to be rearranged
One inverted V type, one bottom (6-3) of bulk cargo pan feeding rectangular tube are connected with Bulk material pipe one (6-5), bulk cargo pan feeding rectangular tube two
The bottom (6-11) is connected with Bulk material pipe two (6-10), and two rectangular tube top longitudinal edge one end are fixed together, and rectangular tube is same
Side short side extended line on the same line, organizes rectangular bulk cargo feeding inlet (6-1).
3. a kind of solid granule discharge control device according to claim 1, it is characterised in that: bulk cargo feeding channel two sides are set
It is equipped with support plate, respectively two support plate (6-4) of one support plate of bulk cargo pan feeding rectangular tube (6-13) and bulk cargo pan feeding rectangular tube, is dissipated
It is fixed on bulk cargo pan feeding rectangular tube one (6-3) at the top of material one support plate of pan feeding rectangular tube (6-13), it is defeated that bottom is fixed on bulk cargo
It send on pipe two (6-10), is fixed on bulk cargo pan feeding rectangular tube two (6-11) at the top of two support plate (6-4) of bulk cargo pan feeding rectangular tube,
Bottom is fixed on Bulk material pipe one (6-5).
4. a kind of solid granule discharge control device according to claim 1, it is characterised in that: discharge control device shell
(6) material bin (2) support base is provided on, the support base is mainly made of support base, support rod and connecting flange, pan feeding
Struggle against the bottom (6-2) of support base one and two support plate (6-4) of bulk cargo pan feeding rectangular tube and bulk cargo pan feeding rectangular tube one (6-3) Xiang Gu
It is fixed, the bottom (6-12) of material bin support base three and one support plate (6-13) of bulk cargo pan feeding rectangular tube and bulk cargo pan feeding rectangular tube two
(6-11) is mutually fixed, and material bin support base two (6-8) and material bin support base four (6-15) are fixed on Bulk material pipe.
5. a kind of solid granule discharge control device according to claim 1, it is characterised in that: the bulk cargo driving device
(5) it is mainly made of driving motor (5-1), helical blade (5-2) and driving device bracket (5-8).Totally two groups of bulk cargo driving dresses
It sets and is held respectively by bulk cargo driving device mounting flange (5-3) and Bulk material pipe one (6-5) and Bulk material pipe two (6-10)
Portion's driving device connecting flange is mutually fixed.Helical blade (5-2) blade quantity can be monolithic or multi-disc, and screw pitch should be big
In rectangular tube bond length, blade diameter, screw pitch and quantity can be required according to bulk cargo flow behavior, discharge flow and speed control
Design.
6. a kind of solid granule discharge control device according to claim 1, it is characterised in that: driving device bracket (5-8)
On for fixing outside the shell (5-4) of helical blade rolling bearing be provided with cooling medium inlet (5-6) and outlet (5-5), use
In cooling rolling bearing, gear drive, pulley drive can be leaned between driving motor (5-1) and helical blade (5-2).Driving
Appliance stand one end (5-8) is connected with protective cover (5-7), and protective cover (5-7) is for closing rotary part.
7. a kind of solid granule discharge control device according to claim 1, it is characterised in that: driving motor (5-1) revolving speed
It is adjustable, revolution speed of screw can be adjusted according to driving motor revolving speed and then realizes mass flow control.
8. a kind of solid granule discharge control device according to claim 1, it is characterised in that: the external wall surface of material bin (2)
Surrounding is provided with vibrator connecting bracket (2-3) and material bin fixed frame (2-4), and material bin fixed frame (2-4) passes through damper
(7) it is connected with discharge control device shell (6), two groups of vibration machines (3) are fixed on vibrator connecting bracket (2-3), vibration
Dynamic generator (3) can select to open or close according to Flow of Goods and Materials characteristic, prevent material in material bin bridging, obstruction.
9. a kind of solid granule discharge control device according to claim 1, it is characterised in that: setting inside material bin (2)
There is conical flow guiding cover (2-5), prevent Flow of Goods and Materials deflection, speed is uneven, the folder of pyramid side isosceles triangle and bottom surface
Angle is greater than bulk cargo stocking angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910367962.3A CN109941777A (en) | 2019-05-05 | 2019-05-05 | A kind of solid granule discharge control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910367962.3A CN109941777A (en) | 2019-05-05 | 2019-05-05 | A kind of solid granule discharge control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109941777A true CN109941777A (en) | 2019-06-28 |
Family
ID=67017021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910367962.3A Pending CN109941777A (en) | 2019-05-05 | 2019-05-05 | A kind of solid granule discharge control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857939A (en) * | 2022-05-18 | 2022-08-05 | 西安交通大学 | Movable energy harvesting device |
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| CN109384057A (en) * | 2018-11-20 | 2019-02-26 | 西安交通大学 | Solid granule steady and continuous discharge device |
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| JP2001321658A (en) * | 2000-05-15 | 2001-11-20 | Morihide Ushijima | Device for supplying fixed quantity of powder |
| CN204872958U (en) * | 2015-07-13 | 2015-12-16 | 四川杨氏达防水材料有限公司 | Pitch waterproofing membrane production line powder charge -in system |
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| CN114857939A (en) * | 2022-05-18 | 2022-08-05 | 西安交通大学 | Movable energy harvesting device |
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Application publication date: 20190628 |