CN106185278A - A kind of coal dust metering device - Google Patents
A kind of coal dust metering device Download PDFInfo
- Publication number
- CN106185278A CN106185278A CN201610759616.6A CN201610759616A CN106185278A CN 106185278 A CN106185278 A CN 106185278A CN 201610759616 A CN201610759616 A CN 201610759616A CN 106185278 A CN106185278 A CN 106185278A
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- China
- Prior art keywords
- feed bin
- opening
- flat board
- sliding platform
- receiving device
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
Abstract
A kind of coal dust metering device, including feed bin, material-receiving device, flat board, driving means, described bin bottom is provided with feed opening and has a smooth lower surface, and described driving means drives feed bin to make its lower surface be close to flat board upper surface and moves back and forth；Described material-receiving device has the cavity of a reception material, it is positioned at below flat board, the feed opening of described feed bin can be communicated by flat board opening with the material receiving port of material-receiving device, being provided with in described material-receiving device cavity can be along the push pedal of material-receiving device cavity inner wall axially-movable, and the inwall of material-receiving device cavity is close on the surrounding place side surface of this push pedal；The metering device that the application provides, simple in construction is prone to replicate, stable and reliable for performance, it is possible to be accurately controlled.Signal can be sent to system after being full of coal dust in feed bin cavity being detected by feed bin sensor, startup procedure is driven through hydraulic drive and makes feed bin move to flat board upper shed position along flat board upper rail to unload powder, the amount of coal dust can be adjusted by regulation push pedal position in material-receiving device cavity.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of metering device, particularly relate to a kind of coal dust dosing
Device.
Background technology
Metering device is the ideal equipment that bulk material carries out continuous dosing, for the life of various industry spot
Produce control, management provides continuous data accurately, has a wide range of applications.
Existing dosing technique has following several, but general structure is complicated, and cost is high, price.
1. powder proportional sampling device, including two empty rooms, two empty rooms is all provided with tooth of having family, and indoor have is revolved by screw
The control kickboard closed, by turn screw, it is possible to drive control kickboard to be axially moveable in the bucket of room, thus empty in control room bucket
Between size, reach the purpose of quantitative sampling.By Primary regulation quantitatively after, just can the thing of unlimited extraction equal in quality
Product, it is adaptable to powder or homogeneous short grained quantitative sampling, can reach quantitative requirement in actual applications, but outside needing
Boundary increases power source and conveying mechanism, and structure is complicated.
2., for the feature of powder material quantitative blanking, design a kind of quantitative weighing based on STC89 single-chip microcomputer and control
Device, is the computer control system of an electromechanical integration. use STC89 single-chip microcomputer be equipped with the control interface of necessity and control soft
Part. realize Real-time and Dynamic Detection and the fixing quantity of Quantitative dosing. the controller of design has that controllability is strong, measuring fixed amount is smart
Spend the features such as high, easy and simple to handle.But cost is the highest.
3. use the effusion meter that turbine measures.Flow velocity is first converted to the rotating speed of turbine by it, then is converted into by rotating speed
The signal of telecommunication being directly proportional to flow.Induction coil is fixed on housing together with permanent magnet.When ferromagnetism turbo blade passes through
During Magnet, the magnetic resistance of magnetic circuit changes, thus produces induced signal.The amplified device of signal amplifies and shaping, delivers to enumerator
Or cymometer, show total flow integration.Pulse frequency is changed through overfrequency-voltage to indicate instantaneous delivery simultaneously.Impeller
Rotating speed be proportional to flow, the revolution of impeller is proportional to the total amount flow through, and structure is complicated.
4. orifice flowmeter is that the high range of supporting with multiparameter differential pressure transmitter for standard orifice plate composition is compared differential flow
Device, is made up of one-time detection part (throttling element) and secondary device (differential pressure transmitter and Flow Measurement Display Meter) and is widely used in gas
Body.Steam and the flow measurement of liquid.There is simple in construction, easy to maintenance, stable performance.Owing to the impact of many factors is crisscross
Complexity, degree of accuracy is difficult to improve；There is longer flow development length requirement, be generally more difficult to meet.Especially to relatively Large Diameter Pipeline, problem is more
Add prominent.
Existing metering device, the amount deviation every time given in the feeding process of coal dust is bigger.Feed meeting on the low side is made
Become briquette the thinnest, be not suitable for detection；Feed meeting on the high side causes remaining powder amount on slide unit many, makes troubles to the transport of briquette.
In summary, prior art mainly has the disadvantages that
1) structure is complicated；
2) impact of many factors is intricate, and degree of accuracy is difficult to improve；
3) there is longer flow development length requirement, be generally more difficult to meet.Especially to relatively Large Diameter Pipeline, problem is more prominent.
Summary of the invention
It is an object of the invention to provide a kind of coal dust metering device, to solve what traditional quantitative charging gear existed
Defect, the more easily coal dust quantitative problem in feeding process, and simple in construction, feeding coal is accurate, low cost.
Present invention provide the technical scheme that
A kind of coal dust metering device, including feed bin, material-receiving device, flat board, driving means, described bin bottom is provided with blanking
Mouthful and there is a smooth lower surface, described driving means drives feed bin to make its lower surface be close to flat board upper surface and back and forth moves
Dynamic；Described material-receiving device has the cavity of a reception material, and it is positioned at below flat board, the feed opening of described feed bin and material-receiving device
Material receiving port can be communicated by flat board opening, it is characterised in that: being provided with in described material-receiving device cavity can be along material-receiving device
The push pedal of cavity inner wall axially-movable, the inwall of material-receiving device cavity is close on the surrounding place side surface of this push pedal.
Further, according to actual needs, the shape of feed bin can be arranged flexibly, feed bin shape can be external square,
Inner chamber is circular or external square, inner chamber are square.
Further, for the ease of feed bin motion thereon, material powder is not easy on flat board pile up, table on described flat board
Face is smooth flat.
Further, any one during described driving means is hydraulic drive, Pneumatic Transmission, motor-driven.
Further, as a kind of more perfect metering device, above described feed bin, also set up synchronous movement
Sliding platform, described sliding platform is more than the strip flat board of feed bin upper surface and to have sliding platform opening；Slide flat
Platform is provided above for the pay-off to feed bin conveying material, the lower surface of described pay-off and sliding platform movable sealing,
The feed bin charging aperture that the lower opening of described pay-off is provided with by the top of sliding platform opening with described feed bin communicates.
Further, described pay-off includes straight tube and is fixed on the pedestal below straight tube, and described pedestal has pedestal
Opening.
Further, in order to ensure to expect the smooth outflow of powder, described pedestal opening is identical with the feed opening size of straight tube.
Further, in order to accurately detect feed situation, and driving means is coordinated to control the mobile opportunity of feed bin, described
Pay-off arranges feed bin sensor.
Further, in order to more ensure feed bin the stablizing of inventory when mobile, close on described sliding platform
The side of material-receiving device arranges plate, also sets up a spring, and one end of this spring is fixed with plate, the other end and the cunning away from plate side
Moving platform one end is fixed.
Further, in order to preferably control the position of plastic plate, set at described sliding platform opening leftward position edge
Put spacer pin.
Further, for the ease of plate movement on sliding platform, sliding platform relative to the movement of pay-off, institute
Stating sliding platform is the baffled pentahedron in side, or is provided with baffle plate for, remaining side the most baffled near one end of plate
Tetrahedron.
Further, for the ease of the whereabouts of material, described sliding platform opening diameter not less than pedestal opening diameter but
Diameter less than pedestal.
The application has the beneficial effect that the metering device that the application provides, and simple in construction is prone to replicate, stable performance
Reliably, it is possible to be accurately controlled.Letter can be sent to system after being full of coal dust in feed bin cavity being detected by feed bin sensor
Number, startup procedure is driven through hydraulic drive and makes feed bin move to flat board upper shed position along flat board upper rail to unload powder.Can
By regulation push pedal position in material-receiving device cavity, adjust the amount of coal dust.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is metering device splicing stage front section view of the present invention；
Fig. 2 is metering device discharging phase front section view of the present invention.
Wherein, 1. straight tube；2. sliding platform；3. feed bin；4. flat board；5. material-receiving device；51. push pedals；7. driving means；
11. feed bin sensors；12. pedestals；21. spacer pins；22. springs；23. plates；24. sliding platform openings；25. pedestal opening；31.
Feed bin charging aperture；41. flat board openings.
Detailed description of the invention
A kind of coal dust metering device, including feed bin 3, material-receiving device 5, flat board 4, driving means 7, described feed bin 3 end
Portion is provided with feed opening and has a smooth lower surface, and described driving means 7 drives feed bin 3 to make its lower surface be close to flat board 4
Upper surface moves back and forth；Material-receiving device 5 has the cavity of a reception material, and it is positioned at below flat board 4, and material-receiving device 5 upper end is opened
Mouth is material receiving port, and the feed opening of described feed bin 3 can be communicated by flat board opening 41 with the material receiving port of material-receiving device 5, makes in feed bin 3
Material fall in material-receiving device 5；Unlike the prior art, being provided with in described material-receiving device 5 cavity can be along splicing
The push pedal 51 of device 5 cavity inner wall axially-movable, it is possible to understand that, the side surface of described push pedal 51 and material-receiving device 5 cavity
Inwall movable sealing, the inwall of material-receiving device 5 cavity is close on the surrounding place side surface of push pedal 51, it is ensured that push pedal 51 will not be leaked when moving
Material, by controlling the movement of push pedal, thus it is possible to vary the size of cavity above push pedal, controls to receive the amount of material.
After feed bin receives material, driving means 7 driving feed bin 3 to move to above flat board opening 41, feed bin starts to unload
Material, owing to the push pedal 51 in material-receiving device 5 can regulate the size of material-receiving device cavity above push pedal, so when material fills up sky
When chamber and arrival flat board opening 41, feed bin 3 is driven return in situ by driving means 7, and now unnecessary material is carried by feed bin 3 therewith
Walking, the material that material-receiving device 5 receives is quantitative material.The inventory accommodated in feed bin 3 should be more than material-receiving device 5 and push pedal
The inventory that 51 maximum cavity set accommodate, to ensure that material adequately fills up material-receiving device and slightly more than at flat board opening 41.
The shape of feed bin 3 can be arranged flexibly, is shaped as that external square, inner chamber be circular or external square, inner chamber are square,
Preferably employing external square, the feed bin of inner chamber circle, inner chamber is circular, does not has dead angle, and material will not stop accumulation on inwall；
Bin wall can have certain thickness, when making feed bin move on flat board, will not deform because of pulling of driving means, shake
Dynamic, affect the sealing of feed bin and flat board and cause material leakage, or feed bin discharging suitable for reading.
It should be understood that flat board 4 is strip, flat board upper surface answers flat smooth, can grinding make, it is simple to feed bin 3 exists
Motion thereon, material powder is not easy on flat board 4 pile up.
Driving means 7 can be hydraulic jack or cylinder or motor, as long as can realize controlling the requirement of feed bin 3 motion i.e.
Can.
As a kind of more perfect metering device, on the basis of devices discussed above, above described feed bin 3 also
Arranging the sliding platform 2 of synchronous movement, described sliding platform 2 is more than the strip flat board of feed bin upper surface and to have cunning
Moving platform opening 24；Sliding platform 2 is provided above the pay-off for carrying material to feed bin 3, under described pay-off
Surface and sliding platform 2 movable sealing, the lower opening of described pay-off is by the top of sliding platform opening 24 with described feed bin
The feed bin charging aperture 31 that portion is provided with communicates.
Preferably, described pay-off includes straight tube 1 and is fixed on the pedestal 12 below straight tube 1, and described pedestal 12 has
Pedestal opening 25, it is possible to understand that, as ordinary circumstance, described pedestal opening 25 is identical with the feed opening size of straight tube 1.
Further, pay-off arranges feed bin sensor 11, and feed bin sensor 11 can be arranged on straight tube wall, it is possible to
To be arranged on pedestal 12, after being full of coal dust in feed bin sensor 11 detects feed bin 3 cavity, send signal, system to system
Startup driven by program makes feed bin 3 move to flat board aperture position along flat board 4 by driving means and unloads powder.
On described sliding platform 2, the side near material-receiving device arranges plate 23, and plate 23 can be plastic plate, also sets up
One spring 22, one end of this spring 22 is fixing with plate 23, and the other end is fixed with the sliding platform one end away from plate side, the other end
The outside that can walk around pay-off is fixed with the sliding platform one end away from plate side.
When feed bin 3 moves to material-receiving device together with sliding platform 2, now plate 23 can move under spring 22 acts on
At sliding platform opening 24, cover sliding platform opening 24 namely cover the upper shed of feed bin, more ensureing that feed bin is moving
Time the stablizing of inventory.
Further, for the shift position of more precise control plate, at the sliding platform opening 24 away from plate 23 side
Put and on the left of edge i.e. sliding platform opening 24, spacer pin 21 is set, when above plate 23 moves to sliding platform opening 24,
Spacer pin 21 can continue motion with barrier plate 23, fixes the position of plate 23.Spacer pin 21 is integrally fixed on sliding platform 2,
When sliding platform 2 moves with feed bin 3, in order to make spacer pin 21 will not be blocked by pedestal 12, the position that spacer pin 21 is arranged should
Avoid pedestal 12 both sides, and plate 23 can be blocked.
Described sliding platform 2 could be arranged to the baffled pentahedron in side, and it is flat in slip that this set is easy to plate 23
Movement on platform 2 and sliding platform are relative to the movement of pay-off, and the position of plate 23 will not offset；Surrounding has baffle plate,
Make sliding platform 2 be formed and there is chute or the platform of similar guide rail, the relative movement track of itself and upper device thereof is played limit
Make and use.
Certainly, on the baffle plate of sliding platform one end that described spring 22 can be held away from plate 23 side, it is also possible to
It is fixed on the end position of sliding platform 2.
Being appreciated that described sliding platform 2 can not be baffled near one end of plate 23, remaining side is provided with baffle plate；Sliding
Moving platform 2 neither fixes spring 22 near one end of plate 23, also will not be to the relative movement track of sliding platform 2 and upper device thereof
Play restriction effect, it is possible to the most baffled.
Described sliding platform opening 24 diameter is not less than pedestal opening 25 diameter, it is simple to the whereabouts of material；But should be less than base
The diameter of seat 12.
The most preferably straight tube feed opening, pedestal opening, sliding platform opening is consistent with the opening diameter of feed bin charging aperture.
Concrete operation principle is as follows: as it is shown in figure 1, feed bin 3 is exactly in below sliding platform opening 24, straight tube 1, base
Seat 12, sliding platform 2 communicate with feed bin 3, and plate 23 is positioned at the right side of pedestal 12, and material passes through straight tube 1, through pedestal 12, enter
In feed bin 3, after being full of coal dust in the feed bin sensor 11 in straight tube 1 detects feed bin 3 cavity, send signal, system to system
Starting driven by program and pass through driving means 7, powder is unloaded in the position making feed bin 3 move to flat board opening 41 along flat board 4 such as hydraulic drive.
As in figure 2 it is shown, the sliding platform 2 above it moves right with feed bin 3, when sliding platform 2 is turned right when feed bin 3 moves right
The when of motion, plate 23 can under spring force relative to sliding platform to left movement, to the location plate 23 of spacer pin 21
Being blocked, be no longer moved to the left, now sliding platform opening 24 is covered by plate 23, in therefore coal dust is limited in feed bin 3 cavity,
Static relative to sliding platform 2 afterwards, move right with sliding platform 2.When feed bin 3 moves to flat board opening 41 position
Time, the coal dust in feed bin 3 can fall in material-receiving device 5, complete discharging.When feed bin 3 backhaul, just by flat board bottom feed bin 3
Powder unnecessary at opening 41 strikes off.Therefore the powder amount in material-receiving device 5 is determined by the cavity volume of material-receiving device, material-receiving device
Push pedal 51 is set in cavity, the volume of adjustable material-receiving device cavity when push pedal 51 is along the cavity axially-movable of material-receiving device,
Adjust the amount of coal dust.During feed bin 3 backhaul, sliding platform moves the most therewith, returns to the state shown in Fig. 1.
Particular embodiments described above, has been carried out the most specifically the purpose of the present invention, technical scheme and beneficial effect
Bright, be it should be understood that the specific embodiment that the foregoing is only the present invention, be not limited to the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. done, should be included in the protection model of the present invention
Within enclosing.
Claims (12)
1. a coal dust metering device, including feed bin (3), material-receiving device (5), flat board (4), driving means (7), described material
Bottom, storehouse (3) is provided with feed opening and has a smooth lower surface, and feed bin (3) top is provided with charging aperture (31), and described driving fills
Putting (7) drives feed bin (3) to make its lower surface be close to flat board (4) upper surface to move back and forth；Described material-receiving device (5) has one and connects
Receiving the cavity of material, it is positioned at flat board (4) lower section, and the feed opening of described feed bin (3) can pass through with the material receiving port of material-receiving device (5)
Flat board opening (41) communicates, it is characterised in that: being provided with in described material-receiving device (5) cavity can be along material-receiving device (5) cavity
The push pedal (51) of inwall axially-movable, the inwall of material-receiving device (5) cavity is close on the surrounding place side surface of this push pedal (51).
Metering device the most according to claim 1, it is characterised in that: described feed bin (3) is shaped as external square, interior
Chamber is circular or external square, inner chamber are square.
Metering device the most according to claim 2, it is characterised in that: described flat board (4) upper surface is smooth flat.
Metering device the most according to claim 3, it is characterised in that: described driving means (7) is hydraulic drive, gas
Pressure transmission, motor-driven in any one.
5. according to the metering device described in claim 1-4 any claim, it is characterised in that: on described feed bin (3)
Side also sets up the sliding platform (2) of synchronous movement, and described sliding platform (2) is the strip more than feed bin (3) upper surface
Flat board and there is sliding platform opening (24)；Sliding platform (2) is provided above for the feeding dress to feed bin (3) conveying material
Putting, the lower surface of described pay-off and sliding platform movable sealing, the lower opening of described pay-off can pass through sliding platform
Opening (24) communicates with feed bin charging aperture (31).
Metering device the most according to claim 5, it is characterised in that: described pay-off includes straight tube (1) and consolidates
Being scheduled on the pedestal (12) of straight tube (1) lower section, described pedestal (12) has pedestal opening (25).
Metering device the most according to claim 6, it is characterised in that: described sliding platform opening (24) diameter is the least
In pedestal opening (25) diameter but less than the diameter of pedestal (12).
Metering device the most according to claim 7, it is characterised in that: described pedestal opening (25) and straight tube (1)
Feed opening size is identical.
9. according to the metering device described in claim 5-8 any claim, it is characterised in that: on described pay-off
Feed bin sensor (11) is set.
Metering device the most according to claim 9, it is characterised in that: upper near connecing at described sliding platform (2)
The side of material device (5) arranges plate (23), also sets up a spring (22), and one end of this spring (22) is fixed with plate (23), another
End is fixed with the sliding platform one end away from plate side.
11. metering devices according to claim 10, it is characterised in that: arrange in sliding platform opening (24) left side
Spacer pin (21).
12. metering devices according to claim 11, it is characterised in that: described sliding platform (2) be side with
The pentahedron of baffle plate, or the tetrahedron that one end is the most baffled, remaining side is provided with baffle plate for close plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759616.6A CN106185278B (en) | 2016-08-30 | 2016-08-30 | A kind of coal dust dosing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759616.6A CN106185278B (en) | 2016-08-30 | 2016-08-30 | A kind of coal dust dosing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106185278A true CN106185278A (en) | 2016-12-07 |
| CN106185278B CN106185278B (en) | 2018-06-19 |
Family
ID=58088310
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610759616.6A Active CN106185278B (en) | 2016-08-30 | 2016-08-30 | A kind of coal dust dosing device |
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| CN (1) | CN106185278B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192593A (en) * | 2017-07-13 | 2017-09-22 | 山东华唐环保科技有限公司 | Sample-preparing system with coal dust dosing function |
| CN108016861A (en) * | 2017-12-22 | 2018-05-11 | 湖南先步信息股份有限公司 | The full-automatic porcelain knob feeding machanism of efficient stable |
| CN108706354A (en) * | 2018-06-13 | 2018-10-26 | 江西理工大学 | A kind of bauxite chemical examination quantitative taking device |
| CN108840080A (en) * | 2018-07-10 | 2018-11-20 | 泸州智通自动化设备有限公司 | A kind of dosing feeder |
| CN108913423A (en) * | 2018-07-10 | 2018-11-30 | 泸州智通自动化设备有限公司 | A kind of white spirit brewing mechanized production system |
| CN108954923A (en) * | 2018-09-30 | 2018-12-07 | 上海交通大学 | A kind of air-conditioning heat exchanger accelerates the accurate powder feeder unit of dust accumulation test |
| CN111634700A (en) * | 2019-09-27 | 2020-09-08 | 清华大学 | Device and method for simultaneously metering and mixing two or more materials |
| CN112643869A (en) * | 2021-01-30 | 2021-04-13 | 黄超 | Feeding system for alumina ceramic product forming machine |
| CN112776135A (en) * | 2021-01-30 | 2021-05-11 | 黄超 | Automatic feeding press for alumina ceramic products |
| CN113998168A (en) * | 2021-11-12 | 2022-02-01 | 河北紫薇山制药有限责任公司 | Quantitative blanking device for resin liquid mixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108954923A (en) * | 2018-09-30 | 2018-12-07 | 上海交通大学 | A kind of air-conditioning heat exchanger accelerates the accurate powder feeder unit of dust accumulation test |
| CN111634700A (en) * | 2019-09-27 | 2020-09-08 | 清华大学 | Device and method for simultaneously metering and mixing two or more materials |
| CN111634700B (en) * | 2019-09-27 | 2021-07-06 | 清华大学 | Device and method for simultaneously metering and mixing two or more materials |
| CN112776135A (en) * | 2021-01-30 | 2021-05-11 | 黄超 | Automatic feeding press for alumina ceramic products |
| CN112643869A (en) * | 2021-01-30 | 2021-04-13 | 黄超 | Feeding system for alumina ceramic product forming machine |
| CN113998168A (en) * | 2021-11-12 | 2022-02-01 | 河北紫薇山制药有限责任公司 | Quantitative blanking device for resin liquid mixture |
| CN113998168B (en) * | 2021-11-12 | 2023-01-31 | 河北紫薇山制药有限责任公司 | Quantitative blanking device for resin liquid mixture |
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| CN106185278B (en) | 2018-06-19 |
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