CN104444380A - Negative pressure pneumatic conveying type rotary feeder - Google Patents
Negative pressure pneumatic conveying type rotary feeder Download PDFInfo
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- CN104444380A CN104444380A CN201410661571.XA CN201410661571A CN104444380A CN 104444380 A CN104444380 A CN 104444380A CN 201410661571 A CN201410661571 A CN 201410661571A CN 104444380 A CN104444380 A CN 104444380A
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- rotary feeder
- air
- breather line
- pneumatic conveying
- type rotary
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a negative pressure pneumatic conveying type rotary feeder which comprises an air speed measurement and air volume regulation control device, a rotary feeder main body structure and a material volume precision measurement system. Double airflow channels are arranged in a rotary feeder main body, materials are carried by airflow and fall onto a filter net in an impeller hopper through an air inlet channel, and air is sucked away by a negative pressure air station through an upper air inlet and a ventilation pipeline III; the materials enter a shell discharge port along with airflow through an exhaust channel and are discharged. According to the negative pressure pneumatic conveying type rotary feeder, conveying of materials having the characteristics of being low in density, prone to suspend in air, difficult to collect, likely to be damaged and the like is achieved; meanwhile, the air speed measurement and air volume regulation control device can be used for monitoring the air speed and air volume in real time, the air volume is convenient to regulate and control, the crushing effect of strong air on the materials is reduced, the material volume precision measurement system can be used for precisely measuring the volume of the conveyed materials, and the compact degree of the conveyed materials is guaranteed on the premise that the materials are prevented from being crushed.
Description
Technical field
The present invention relates to the rotary feeder in mass transport field, particularly relate to one and be suitable for the lower densitys such as conveying expanded graphite, feather, cotton fiber, be easily suspended in air, the negative-pressure pneumatic conveying-type rotary feeder of cracky material.
Background technology
Rotary feeder is also known as discharger, rotary discharge valve, rotovalve or rotatory feeder valve, rotary feeder is applicable to powder material discharge or the feeding system of the industries such as building materials, metallurgy, petrochemical industry, electric power, rotary feeder can as the lock gas charging gear of the lock gas ash-discharging device of all kinds of dusting equipment and various dryer, grinding machine, feed bin, silos, enclosed delivery system, preventing air channelling and for equal and quantitative feeding device, is a kind of gordian technique equipment in air-transport system.
Research for rotary feeder mainly concentrates on the sealing arrangement at rotary feeder impeller two ends, the anti-impeller of the application that rotary feeder closes in the high pressure gas field of force and rotary feeder is stuck with material cutting breaker, it is a kind of vapor seal method of rotary feeder with gas sealing mechanism and rotary feeder disclosed in patent CN 103043444 A, the impeller two ends of described rotary feeder adopt air seal, it is the wear-resisting rotary feeder that a kind of rotor-end wears labyrinth seal structure disclosed in patent CN 103204385 A, impeller and the axis friction abrading section Jun Dui of described rotary feeder are welded with wearing layer, and the two ends of impeller are provided with labyrinth seal structure, it is a kind of rotary feeder being suitable for using in high pressure air-transport system disclosed in patent CN 201746052 U, the rotor of described rotary feeder is helical wheel rotor, it is a kind of rotary feeder that can effectively prevent the stuck and material cutting of impeller from destroying disclosed in patent CN 201296552Y, the inner edge of described rotary feeder is provided with the antiseize device of one " W " shape.In above-mentioned patent, material is all rely on deadweight to enter into rotary feeder inside from rotary feeder feeding mouth, and along with the rotation of impeller, material draws off from discharging opening.The material transmitted when rotary feeder has lower density, easily be suspended in air, not easily collecting, the features such as easy breakage, and delivery system is when having a quantitative requirement to the quality of single or this type of light material conveying in the unit time or volume, existing rotary feeder cannot meet the demands.
Summary of the invention
Object of the present invention is intended to propose a kind of negative-pressure pneumatic conveying-type rotary feeder, it solve the mass transport problem that there is lower density, be easily suspended in the feature such as air, not easily collecting and easy breakage, simultaneously it also has the advantage of the flexible and material acceleration of material dosing conveying, Homogeneous charge, convenient controls, mass transport noresidue, pneumatic conveying mode combination, is adapted at applying in negative-pressure conveying system.
The technical solution adopted for the present invention to solve the technical problems is as follows: a kind of negative-pressure pneumatic conveying-type rotary feeder, comprise measuring wind speed and air quantity control set for adjusting, rotary feeder main body and volume of material accurate measuring systems, breather line I sidewall of described measuring wind speed and air quantity control set for adjusting installs air velocity transducer, breather line II inside arranges air-flow plate, breather line II one end is bolted breather line I, and other end flange connects housing inlet point.
The housing upper of described rotary feeder main body and bottom are respectively arranged with material feeding mouth and material discharging opening, impeller is arranged within housing by end cover I and end cover II, one end of impeller is sealed by transparent cover, the rotating end cap of the other end is connected with driving motor by bolt, described hollow shaft is arranged on the inside of impeller by bearing I and bearing II, hollow shaft one end fixed installation breather line III and breather line IV, breather line III and breather line IV are deep into respectively in the middle part of hollow shaft and are connected with lower exhausr port with enterprising gas port.
The infrared signal producer two ends that are fixedly mounted on the impeller shaft shoulder relative to infrared signal receiver of described volume of material accurate measuring systems, vibrator I and vibrator II are separately fixed on the steel plate of hopper both sides, and laser displacement sensor is rack-mount.
In the present invention, described air-flow plate is arranged on the inside of breather line II, and connects firmly with adjusting screw(rod), and described air-flow plate is circular, and its diameter is slightly less than the internal diameter of breather line II.
In the present invention, described housing inlet point is connected with breather line II by flange, and described housing discharging opening is conical, and its lower end connects material conveying pipe or packaging facilities.
In the present invention, described housing upper both sides are respectively arranged with fixed support and electric machine support, and fixed support installs laser displacement sensor, electric machine support are installed accurate reducing motor.
In the present invention, the output shaft end of described accurate reducing motor is equipped with crank, and crank connects connecting rod by bearing pin I, connecting rod connects slide bar by pin shaft II again, slide bar other end installing force sensor, slide bar is limited in slideway and pumps, and slideway is fixedly installed on housing.
In the present invention, described impeller sidewall along the circumferential direction uniform welding has some steel plates, forms the hopper accepting material, feed hopper bottom grooved bore between adjacent two steel plates, and the outside face of slotted eye installs filter screen.
In the present invention, described breather line III and breather line IV are connected with the gas station of high pressure with providing negative pressure respectively.
In the present invention, described end cover I and end cover II inside all have Sealing shield ring to seal.
In the present invention, described housing is welded on housing connecting panel by housing support plate, and described housing connecting panel adopts and is bolted on ground or erecting frame.
The invention has the beneficial effects as follows: of the present invention pair of airpath design fundamentally solves has lower density, easily be suspended in air, not easily collecting, the mass transport problem of the features such as easy breakage, overcome the residual material cleaning difficulty that existing rotary feeder exists when convey materials, the shortcomings such as material sticks blade and housing, and blanking is not smooth, are suitable for applying in negative-pressure pneumatic transmission system.This invention can carry out Real-Time Monitoring to wind speed, air quantity and wind direction, and be provided with air-flow plate be convenient to regulate and control air quantity, decrease the fragmentation of high wind to material.This invention accurately can be measured the volume of institute's convey materials, under the prerequisite crushed, ensure that the compactness extent of institute's convey materials avoiding material.
Accompanying drawing explanation
Fig. 1 is the structural representation of negative-pressure pneumatic conveying-type rotary feeder;
Fig. 2 is the base portion structural representation of negative-pressure pneumatic conveying-type rotary feeder;
Fig. 3 is measuring wind speed and the air quantity control set for adjusting structural representation of negative-pressure pneumatic conveying-type rotary feeder;
Fig. 4 is the volume of material accurate measuring systems composition schematic diagram of negative-pressure pneumatic conveying-type rotary feeder;
Fig. 5 is the structural representation of impeller internal;
Fig. 6 is the scheme of installation of filter screen;
Fig. 7 is the partial enlarged drawing that force snesor is installed.
In accompanying drawing: 1-housing, 2-impeller, 3-carries the bearing I of cover of dust, 4-stop back-up ring, 5-circular nut, 6-rotating end cap, 7-end cover I, 8-housing support plate, 9-housing connecting panel, 10-transparent cover, 11-carries the bearing II of cover of dust, 12-breather line III, 13-hollow shaft, 14-Sealing shield ring, 15-end cover II, 16-housing inlet point, 17-housing discharging opening, 18-breather line I, 19-breather line II, 20-air velocity transducer, 21-adjusting screw(rod), 22-infrared signal producer, 23-infrared signal receiver, 24-vibrator I, 25-vibrator II, 26-laser displacement sensor, 27-force snesor, 28-breather line IV, 29-crank, the accurate reducing motor of 30-, the enterprising gas port of 31-, exhausr port under 32-, 33-fixed support, 34-connecting rod, 35-filter screen, 36-air-flow plate, 37-electric machine support, 38-steel plate, 39-slotted eye, 40-bearing pin I, 41-slideway, 42-pin shaft II, 43-slide bar.
Detailed description of the invention
Embodiment
Fig. 1 is an embodiment disclosed by the invention, and described negative-pressure pneumatic conveying-type rotary feeder comprises measuring wind speed and air quantity control set for adjusting, rotary feeder agent structure and volume of material accurate measuring systems.Described measuring wind speed and air quantity control set for adjusting comprise breather line I 18, breather line II 19, air velocity transducer 20, adjusting screw(rod) 21 and air-flow plate 36, the axis collinear of breather line I 18 and breather line II 19 during installation, described breather line I 18 sidewall is installed with air velocity transducer 20, the sidewall of breather line II 19 is provided with tapped bore and adjusting screw(rod) 21 is installed, adjusting screw(rod) 21 crosses air-flow plate 36, air-flow plate 36 complete cycle can be driven to turn round, it is inner that air-flow plate 36 is arranged on breather line II 19, its diameter is slightly less than the internal diameter of breather line II 19, breather line II 19 one end is bolted breather line I 18, other end flange connects housing inlet point 16.
Described negative-pressure pneumatic conveying-type rotary feeder agent structure is by housing 1, impeller 2, bearing I 3, bearing II 11, stop back-up ring 4, circular nut 5, rotating end cap 6, end cover I 7, end cover II 15, transparent cover 10, housing support plate 8, housing connecting panel 9, breather line III 12, hollow shaft 13, Sealing shield ring 14, breather line IV 28, crank 29, accurate reducing motor 30, fixed support 33, connecting rod 34, filter screen 35, steel plate 38, slotted eye 39, bearing pin I 40, slideway 41, pin shaft II 42, slide bar 43 and electric machine support 37 form, described housing 1 upper and lower is respectively arranged with material feeding mouth 16 and material discharging opening 17, inlet point 16 is flange, be bolted breather line II 19, discharging opening 17 is conical, discharging opening 17 lower end connects material conveying pipe or packaging facilities, housing 1 both sides are bolted end cover I 7 and end cover II 15, fixed support 33 and electric machine support 37 is respectively arranged with in both sides, housing 1 top, fixed support 33 is used for installing laser displacement sensor 26, electric machine support 37 is used for installing accurate reducing motor 30, accurate reducing motor 30 output shaft end is equipped with crank 29, crank 29 connects connecting rod 34 by bearing pin I 40, connecting rod 34 connects slide bar 43 by pin shaft II 42 again, slide bar 43 other end installing force sensor 27, slide bar 43 is limited at up-and-down movement in slideway 41, slideway 41 is fixedly installed on housing 1, housing connecting panel 9 is welded on housing 1 by housing support plate 8, it is inner that described impeller 2 is installed on housing 1, located by end cover I 7 and end cover II 15, one end of impeller 2 is sealed by transparent cover 10, one end and rotating end cap 6 are bolted in addition, have bearing I 3 and bearing II 11 to support between impeller 2 and hollow shaft 13, impeller 2 sidewall along the circumferential direction uniform welding has some steel plates 38, constitutes the hopper accepting material between adjacent two steel plates 38, feed hopper bottom grooved bore 39, the outside face of slotted eye 39 is provided with filter screen 35, it is inner that described hollow shaft 13 is installed on impeller 2, location is supported by bearing I 3 and bearing II 11, bearing I 3 one end relies on stop back-up ring 4 and circular nut 5 to lock, bearing II 11 one end relies on transparent cover 10 to fix, hollow shaft 13 one end fixed installation breather line III 12 and breather line IV 28, breather line III 12 and breather line IV 28 are deep into the enterprising gas port 31 and lower exhausr port 32 that arrange in the middle part of hollow shaft 13 respectively, described rotating end cap 6 one end and impeller 2 are bolted, and one end is that flange is connected with driving motor by bolt in addition.
Described volume of material accurate measuring systems is made up of infrared signal producer 22, infrared signal receiver 23, vibrator I 24, vibrator II 25, laser displacement sensor 26 and force snesor 27; Described infrared signal producer 22 two ends that are fixedly mounted on impeller 2 shaft shoulder relative to infrared signal receiver 23, vibrator I 24 and vibrator II 25 are fixedly mounted on the steel plate of hopper both sides respectively, laser displacement sensor 26 is installed on fixed support 33, and force snesor 27 is installed on slide bar 43 one end.
The present invention in use, first measuring wind speed and air quantity control set for adjusting and rotary feeder agent structure are bolted, breather line III 12 one end connects the gas station providing negative pressure, breather line IV 28 one end connects the gas station providing high pressure, rotating end cap 6 flange one end connection for transmission motor, then negative compressor station is started, material is fallen on the filter screen 35 in impeller 2 hopper by free air diffuser and breather line I 18, breather line II 19, housing inlet point 16 along with gas, and gas is then siphoned away by negative compressor station by the enterprising gas port 31 of hollow shaft 13 and breather line III 12, then carry out volume to the material fallen on impeller 2 hopper filter screen 35 accurately to measure, tamp to make the material in hopper and be uniformly distributed, start the vibrator I 24 and vibrator II 25 that are installed on hopper both sides steel plate 38, the accurate reducing motor 30 installed on housing 1 top is started in the process of vibration, accurate reducing motor 30 drives crank 29 to rotate, crank 29 drives the connecting rod 34 be connected with crank 29 by bearing pin I 40 to swing, connecting rod 34 drives again the slide bar 43 be connected by pin shaft II 42 with it to move, because slide bar 43 is bound in slideway 41 inside, can only pump, therefore the force snesor 27 being installed on slide bar 43 one end to be declined by extreme higher position along with pumping of slide bar 43, when force snesor 27 drop to certain altitude contact with material time, force snesor 27 starts to detect the compactness extent of material, the Signal transmissions of Infrared Projector 22 and infrared signal receiver 23 when material height barrier in the horizontal direction, the material height in the vertical direction that laser displacement sensor 26 is measured reaches the requirement of determined volume setting, and when the material compactness extent that force snesor 27 detects is qualified, control system starts driving motor and rotates with rotating end cap 6 and impeller 2, when impeller 2 rotates to an angle arrival housing discharging position, start high pressure gas station, material, along with gas is by the lower exhausr port 32 of exhaust passage and breather line IV 28, hollow shaft and impeller 2 hopper, finally enters housing discharging opening 16 and discharges, thus complete the quantitative conveying of a material.
In the process of material along with pneumatic convey, air velocity transducer 20 real time on-line monitoring wind speed and air force, when there is fluctuation in wind speed, for avoiding the excessive fragmentation to material of wind speed, air quantity, adjusting screw(rod) can be rotated, adjusting screw(rod) 21 rotates with air-flow plate 36, by changing the cross-sectional area of air-flow by pipeline, thus reaches the object of air quantity adjustment.
Claims (8)
1. a negative-pressure pneumatic conveying-type rotary feeder, comprises measuring wind speed and air quantity control set for adjusting, rotary feeder main body and volume of material accurate measuring systems, it is characterized in that:
Breather line I sidewall of described measuring wind speed and air quantity control set for adjusting installs air velocity transducer, and breather line II inside arranges air-flow plate, and breather line II one end is bolted breather line I, and other end flange connects housing inlet point;
The housing upper of described rotary feeder main body and bottom are respectively arranged with material feeding mouth and material discharging opening, impeller is arranged within housing by end cover I and end cover II, one end of impeller is sealed by transparent cover, the rotating end cap of the other end is connected with driving motor by bolt, described hollow shaft is arranged on the inside of impeller by bearing I and bearing II, hollow shaft one end fixed installation breather line III and breather line IV, breather line III and breather line IV are deep into respectively in the middle part of hollow shaft and are connected with lower exhausr port with enterprising gas port;
The infrared signal producer two ends that are fixedly mounted on the impeller shaft shoulder relative to infrared signal receiver of described volume of material accurate measuring systems, vibrator I and vibrator II are separately fixed on the steel plate of hopper both sides, and laser displacement sensor is rack-mount.
2. negative-pressure pneumatic conveying-type rotary feeder according to claim 1, is characterized in that: it is inner that described air-flow plate is arranged on breather line II, and connect firmly with adjusting screw(rod), and described air-flow plate is circular, and its diameter is slightly less than the internal diameter of breather line II.
3. negative-pressure pneumatic conveying-type rotary feeder according to claim 1, is characterized in that: described inlet point is connected with breather line II by flange, and described discharging opening is conical, and its lower end connects material conveying pipe or packaging facilities.
4. negative-pressure pneumatic conveying-type rotary feeder according to claim 1, is characterized in that: described housing upper both sides are respectively arranged with fixed support and electric machine support, and fixed support installs laser displacement sensor, electric machine support are installed accurate reducing motor.
5. negative-pressure pneumatic conveying-type rotary feeder according to claim 4, it is characterized in that: the output shaft end of described motor is equipped with crank, crank connects connecting rod by bearing pin I, connecting rod connects slide bar by pin shaft II again, slide bar other end installing force sensor, slide bar is limited in slideway and can pumps, and slideway is installed on housing.
6. negative-pressure pneumatic conveying-type rotary feeder according to claim 1, it is characterized in that: described impeller sidewall along the circumferential direction uniform welding has some steel plates, form the hopper accepting material between adjacent two steel plates, feed hopper bottom has slotted eye, and the outside face of described slotted eye installs filter screen.
7. negative-pressure pneumatic conveying-type rotary feeder according to claim 1, is characterized in that: described breather line III and breather line IV are connected with the gas station of high pressure with providing negative pressure respectively.
8. negative-pressure pneumatic conveying-type rotary feeder according to claim 1, is characterized in that: described housing is welded on housing connecting panel by housing support plate, and described housing connecting panel adopts and is bolted on ground or erecting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410661571.XA CN104444380B (en) | 2014-11-19 | 2014-11-19 | Negative-pressure pneumatic conveying-type rotary feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410661571.XA CN104444380B (en) | 2014-11-19 | 2014-11-19 | Negative-pressure pneumatic conveying-type rotary feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104444380A true CN104444380A (en) | 2015-03-25 |
| CN104444380B CN104444380B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410661571.XA Expired - Fee Related CN104444380B (en) | 2014-11-19 | 2014-11-19 | Negative-pressure pneumatic conveying-type rotary feeder |
Country Status (1)
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|---|---|
| CN (1) | CN104444380B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352274A (en) * | 2017-08-25 | 2017-11-17 | 天津商业大学 | A kind of regulatable new induction Pneumatic conveyer of particle concentration |
| CN107434167A (en) * | 2017-07-07 | 2017-12-05 | 燕山大学 | A kind of conveying experimental provision of expanded graphite bulk cargo Geldart-D particle performance measurement |
| CN108507635A (en) * | 2018-03-14 | 2018-09-07 | 华电章丘发电有限公司 | Coal in power plant powder proportioning device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB772385A (en) * | 1954-07-10 | 1957-04-10 | Svenska Flaektfabriken Ab | Apparatus for pneumatic transporting of grain or similar materials |
| US5813801A (en) * | 1996-06-28 | 1998-09-29 | Mac Equipment, Inc. | Dense phase particulate conveying system and method with continuous air leakage management |
| DE19936136C1 (en) * | 1999-07-31 | 2001-02-01 | Waeschle Gmbh | Cell wheel lock and method for operating the same |
| CN2920925Y (en) * | 2006-07-25 | 2007-07-11 | 天津市纽普兰环保发展有限公司 | Balancing device for material transferring system |
| CN201746052U (en) * | 2010-06-25 | 2011-02-16 | 上海理工大学 | High-pressure pneumatic conveying rotation feeder |
-
2014
- 2014-11-19 CN CN201410661571.XA patent/CN104444380B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB772385A (en) * | 1954-07-10 | 1957-04-10 | Svenska Flaektfabriken Ab | Apparatus for pneumatic transporting of grain or similar materials |
| US5813801A (en) * | 1996-06-28 | 1998-09-29 | Mac Equipment, Inc. | Dense phase particulate conveying system and method with continuous air leakage management |
| DE19936136C1 (en) * | 1999-07-31 | 2001-02-01 | Waeschle Gmbh | Cell wheel lock and method for operating the same |
| CN2920925Y (en) * | 2006-07-25 | 2007-07-11 | 天津市纽普兰环保发展有限公司 | Balancing device for material transferring system |
| CN201746052U (en) * | 2010-06-25 | 2011-02-16 | 上海理工大学 | High-pressure pneumatic conveying rotation feeder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107434167A (en) * | 2017-07-07 | 2017-12-05 | 燕山大学 | A kind of conveying experimental provision of expanded graphite bulk cargo Geldart-D particle performance measurement |
| CN107434167B (en) * | 2017-07-07 | 2019-03-22 | 燕山大学 | A kind of conveying experimental provision of expanded graphite bulk cargo pneumatic conveying performance measurement |
| CN107352274A (en) * | 2017-08-25 | 2017-11-17 | 天津商业大学 | A kind of regulatable new induction Pneumatic conveyer of particle concentration |
| CN108507635A (en) * | 2018-03-14 | 2018-09-07 | 华电章丘发电有限公司 | Coal in power plant powder proportioning device |
| CN108507635B (en) * | 2018-03-14 | 2023-09-15 | 华电章丘发电有限公司 | Pulverized coal quantitative device for power plant |
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| Publication number | Publication date |
|---|---|
| CN104444380B (en) | 2016-07-06 |
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Granted publication date: 20160706 Termination date: 20181119 |