CN2239957Y - Loose material discharging bunker swirl-nozzle - Google Patents
Loose material discharging bunker swirl-nozzle Download PDFInfo
- Publication number
- CN2239957Y CN2239957Y CN 95220856 CN95220856U CN2239957Y CN 2239957 Y CN2239957 Y CN 2239957Y CN 95220856 CN95220856 CN 95220856 CN 95220856 U CN95220856 U CN 95220856U CN 2239957 Y CN2239957 Y CN 2239957Y
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- plate
- spiral case
- feed bin
- height
- cover plate
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- Expired - Fee Related
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model relates to a vortex-shaped dispersed material discharging bunker nozzle, which belongs to a material discharging bunker nozzle and is used for material discharge at the lower part of a dispersed form, fine flour form, block form and particle form material bunker. The utility model is composed of a vortex-shaped spiral case, a material flow control gate 6, a material scraping device and a section of truncated cone-shaped material bunker 2, wherein, the spiral case is enclosed by an enclosing plate 3, a blocking plate 5 and a cover plate 4 and the outer margin curve equation of the cover plate 4 is polar coordinate equation; the lower part of the material bunker 2 stretches in the spiral case; the material scraping device is composed of a material rack 8 and a material scraping plate 7. The utility model has the advantages of even material discharge, easy elimination of failure, no need of stop and low failure rate.
Description
The utility model relates to a kind of loose discharge bin mouth, particularly the loose discharge bin mouth of worm-rotating type that is used with disk feeder.It is applicable to the discharge of diffusing shape, fine flour shape, bulk and bulk silo bottom.
The existing discharge bin mouth (also claiming the storehouse lower sleeve) that uses all is a unfilled corner straight barrel type structure, directly links to each other with the top feed bin.The diameter of straight tube be slightly less than below it the card diameter of supporting disk feeder.The charge level of meeting at unfilled corner place blocks with closure plate, has discharging opening on the another side closure plate, and the gate of band nut and screw rod is installed.Nut is fixed on the flashboard.Screw rod top is equipped with a crowngear.Whole gate is installed in the guide groove of discharging opening both sides.Other joins a crowngear and cooperates and adjust gatage.Rotate handwheel, the bevel gear of the wheel shaft other end and the bevel gear on the gate rotate thereupon, and vertically arranged screw rod also is rotated.Because of nut can not rotate on gate, just rise or descend along screw rod, finish adjustment process thereby drive gate.When disk feeder rotated, the material in the straight sleeve was taken out of discharging opening with card.Material arrives the upright dead closure plate place generation heap of one side in the sleeve unfilled corner.Along with being rotated further of disk, material is heaped to a certain degree and is just fallen down from card, falls in the miscellaneous equipment under the disk feeder and processes, or fall on other load transfer device and transported.
Because of unreasonable structure, there is following critical defect in above-mentioned discharge bin mouth.
1, feed is irregular.Because the discharge bin mouth is the straight barrel type structure, in the disk feeder rotary course, the materials flow area of passage is constant, and feeding coal is subjected in the storehouse stock column pressure influence big.Under the certain situation of disc rotation speed, when material in the feed bin was high, stock column pressure was big, and the material in the sleeve is compacted, and its density is big, though the discharge volume is identical, discharge weight increases; Otherwise when material level was low, discharge weight reduced; This feeding coal that just causes disk feeder produces fluctuation.When various materials is prepared burden by weight proportion, just can not guarantee proportioning accurately, produce big batching error, cause final products to scrap.
2, trouble-shooting difficulty.When in the material bulk or foreign matter (as straw rope, straw bag, cloth, leather etc.) being arranged, discharging opening is easily blocked.Need stop to produce, all open the sluices, could clear up.In addition, door is seldom adjusted.Sometimes even need, or on sleeve wall, sever breach and just can clean out at door place scarfing.Not only time-consuming bothersome, influence is produced, and has increased labour intensity.
3, fault rate height.Only sleeved about 1/4 because of the door open height, produce that quilting tamps in the middle sleeve, stock column is big to the pressure and the friction force of disk, disk vertical shaft bearing and motor accident rate height, power consumption is also high.
The purpose of this utility model provides a kind of loose discharge bin mouth of worm-rotating type that is used with disk feeder.It mainly is made up of worm-rotating type spiral case, materials flow control door, material scraping plate and one section feed bin etc.This storehouse mouth can guarantee even discharge;
The purpose of this utility model is to realize like this.Make the worm-rotating type spiral case that an end opening opens wide.Have sighthole on the cover plate of spiral case top.The two ends of coaming plate promptly on the joint face between minimum spiral radius of spiral case and the maximum radius, are provided with discharge gate.The scraper and the discharge gate angle α that are provided with at the minimum radius place are 70 °～110 °, and effect was best when α was 90 °.The spiral case opening end matches with the disk of disk feeder under it, and spiral radius augment direction is consistent with the disk rotation direction.One section truncated cone feed bin is installed on spiral case.Spiral case is exposed on this feed bin top, matches with the main body feed bin in its upper end; A part in the spiral case is stretched in the bottom, with the range of scatter of restriction stock column in spiral case and the pressure of minimizing stock column to disk feeder.The center of this section feed bin overlaps with the disc centre of disk feeder, and configuration flange in its top connects with the upper body feed bin with bolt, with spiral case cover plate intersection, employing welding, riveted joint or flange connection.
The loose discharge bin mouth of the utility model, because of feed bin stretches into a part in the spiral case, cross section, Hatch Opening bottom diminishes, and has limited the range of scatter of stock column in spiral case, and has reduced the pressure of whole stock column to disk feeder, also because of material with the disk rotary course in, the materials flow area of passage increases etc. gradually, has not only alleviated the load of disk feeder, and materials flow is loose gradually, eliminated the influence that press in stock column height and storehouse, can guarantee that discharge is even.Do not shut because of the spiral case upper end again, can take out bulk and foreign matter at the sighthole place of upper cover plate, the trouble-shooting that neither need stop production saves time again and saves trouble.
Below in conjunction with accompanying drawing the utility model is specified.
Fig. 1 is a main structure chart of the present utility model.
Fig. 2 is the B-B cutaway view of Fig. 1.
Fig. 3 is the A-A partial view among Fig. 2.
The loose discharge bin mouth of worm-rotating type of the present utility model is mainly by worm-rotating type spiral case, materials flow control door 6, and scraper and one section truncated cone feed bin 2 are formed.The bottom of feed bin 2 stretch in the spiral case feed bin 2 lower port 18 to the height h between the spiral case lower surface 17 be 30～450mm.Spiral case is exposed on its top, links with the main body feed bin.The lower port 18 of feed bin 2 is circular, square or other shape, is good with circle.
Spiral case is the housing that is surrounded by steel coaming plate 3, cover plate 4 and closure plate 5 welding, or by other metal or non-metallic material such as aluminium, aluminum alloy, welding of sheet materials such as plastics or bonding form.The outer rim curvilinear equation of cover plate 4 is a polar equation:
γ=γ
m-(γ
m-γ
b)
QIn/2 π formulas:
The angle in circular segment that Q-coaming plate 3 is enclosed, polar angle.
γ
m-maximum utmost point footpath.
γ
b-minimum utmost point footpath.The center of feed bin 2 and the feeder disc centre below it are limit, and spiral radius augment direction is consistent with the disk rotation direction.The lower surface 17 of spiral case is all opened wide, and the upper surface is a cover plate 4.Have 1～4 sighthole 20 from large to small that adapts with feed bin 2 on the cover plate 4.At (being on the joint face of minimum spiral radius of spiral case and the maximum spiral radius of spiral case) between the two ends of coaming plate 3, closure plate 5 that setting and cover plate 4 join and the discharge gate 16 under the closure plate 5.
The angle in circular segment Q that coaming plate 3 is enclosed is 300～380 °, is good with 360 °; Minimum utmost point footpath γ
bMore than or equal to the outer wall of feed bin 2 and cover plate 4 intersections distance to the feed bin center; Maximum utmost point footpath γ
mThe card radius that is less than or equal to disk feeder; The maximum utmost point of spiral case footpath γ
mWith minimum utmost point footpath γ
bDifference be 40mm～510mm.The height H of coaming plate 3 is between 100mm～700mm, and it is big or small and different to look material difference and feed bin.
The height of closure plate 5 is 1/3～1/2 of coaming plate 3 height H, and weldering on it (or sticking) has two bolts 9.Materials flow control door 6 is a slab structure, has two strip shape bolts hole 15 on it, and the bolt 9 on this two hole and the closure plate 5 cooperatively interacts.Expose closure plate 5 two outer bolts 9 and penetrate in the bolt hole 15 of gate 6, gate 6 is fixed on the closure plate 5 with nut, packing ring etc.
Scraper is made of frame plate 8 and material scraping plate 7.Be drilled with two on the frame plate 8 with upper bolt hole, have the strip shape bolt hole 19 that cooperatively interacts with bolt 10 more than two on the material scraping plate 7.Bolt 10 passes bolt hole on the frame plate 8 and the bolt hole 19 on the material scraping plate 7, both is connect and fixing with nuts and washers.One end of material scraping plate 7 puts in the spiral case, enters 0～50mm in the closure plate 5; The other end stretches out outside the dish of the disk feeder under it, and its length is advisable material can be scraped, look the kind of material and material amount what, definite through testing.One end of frame plate 8 joins with closure plate 5, coaming plate 3 respectively and fixes.The angle α of scraper and closure plate 5 and discharge gate 16 is 70 °～110 °, with 90 ° of the bests.The height of the discharge gate 16 under the height of frame plate 8 and the closure plate 5 equates.The height sum of the height of discharge gate 16 and closure plate 5 equals coaming plate 3 height H.The height of scraper plate 7 is determined by test, generally between 40mm～250mm.Rectangular bolt hole 19 lower ends are about 1/3 of material scraping plate 7 height to the distance of the following working end (i.e. 7 base) of material scraping plate 7.
The size of the lower port 18 of feed bin 2 and to the height h of coaming plate 3 lower surfaces 17 depends on the character of material and the card diameter and the feeding coal of disk feeder.During design, with the heap limit of the material that gets off from feed bin 2 under the production status can just with γ
bThe following end in contact of place's coaming plate 3 is good, conforms to the needs of disk feeder but will adjust the discharge ability.As be not inconsistent, can determine to change the size that the h value still changes port one 8 according to field condition.Be furnished with steel or wear-resistant plastic liner plate 12 in the storehouse.With countersunk-heat bolt 13 and nut 14 or with the special steel nail of selling on the market, liner plate 12 and feed bin 2 bodies are secured together.Concrete fixed form can be chosen any one kind of them according to the existence conditions of oneself.The upper end of feed bin 2 disposes flange 1, is convenient to connect with the main body feed bin on top.Feed bin 2 with cover plate 4 intersections, combine as a whole with welding riveted joint or bonded assembly mode body and cover plate 4 feed bin 2.
This Cang Zui looks the material difference when disk feeder under it cooperates, and certain distance is left on the plane on end face 17 and the disk.During production, the lower surface of material scraping plate 7 with contact above the disk.After a period of time wearing and tearing, unclamp bolt 10 herein, can be adjusted material scraping plate 7.The big I of discharge gate 16 is controlled by adjusting gate 6.
The utility model has been received good production effect since peace steel proportioning room is gone into operation.Because of withdrawal rate evenly accurately and trouble-shooting need not stop production, easy save trouble etc. is subjected to the welcome of post production operation workman and service personnel deeply.The loose discharge bin mouth of worm-rotating type is compared with original straight barrel type storehouse lower sleeve, and standard deviation is reduced to 0.70 from 1.32, thereby the chemical analysis qualification rate of final products is brought up to more than 94% from 71.2%.And because stock column reduces the pressure of feed disk and material is loose gradually etc. in the rotation process in spiral case, reduced the load of disk feeder, disk vertical shaft bearing failure reduces about 80%, burning out the motor number of times reduces more than 75%, fault rate obviously reduces, and has guaranteed balanced production, has improved the operating rate of main production equipments, above-mentioned advantage also makes nearly 20,000 kilowatt hours of separate unit disk feeder the minimizing power consumption.
Claims (9)
1, the loose discharge bin mouth of a kind of worm-rotating type that matches with disk feeder is characterized in that said Cang Zui by the worm-rotating type spiral case, materials flow control door (6), and scraper and one section truncated cone feed bin (2) are formed, wherein:
[1], said worm-rotating type spiral case is the housing that is surrounded by coaming plate (3), closure plate (5) and cover plate (4) welding, the lower surface of spiral case (17) is opened wide, the upper surface of spiral case is cover plate (4), the closure plate (5) that joins with cover plate (4) and the discharge gate (16) under the closure plate (5) are being set between the two ends of coaming plate (3), and the outer rim curvilinear equation of cover plate (4) is a polar equation:
γ=γ
m-(γ
m-γ
b)
QIn/2 π formulas: γ
m, γ
bBe respectively minimum and maximum utmost point footpath, Q is the angle in circular segment that coaming plate (3) is enclosed;
The center of feed bin (2) and the feeder disc centre below it are limit, and spiral radius augment direction is consistent with the disk rotation direction;
[2], the bottom of said feed bin (2) stretches into spiral case inside, spiral case is exposed on its top and the main body feed bin links, the lower port of feed bin (2) (18) to the height h between spiral case lower surface (17) be 30～450mm;
[3], said materials flow control door (6) is slab structure, has two strip shape bolts hole (15) that match with bolt (9) on the closure plate (5) on it, gate (6) is fixed on the closure plate (5) by bolt (9);
[4], said scraper is made of frame plate (8) and material scraping plate (7), there are two with upper bolt hole on the frame plate (8), have the strip shape bolt hole (19) that cooperatively interacts with bolt (10) more than two on the material scraping plate (7), frame plate (8) and material scraping plate (7) are secured together by the bolt hole (19) on the bolt hole material scraping plate (7) on the frame plate (8) with bolt (10), one end of material scraping plate (7) stretches into in the spiral case, enter 0～50mm in the closure plate (5), its other end stretches out outside the disk feeder under it, and the angle α of scraper and discharge gate (16) is 70 °～110 °.
2, Cang Zui as claimed in claim 1 is characterized in that the angle in circular segment Q that said coaming plate (3) is enclosed is 300～380 °, the minimum utmost point of said spiral case footpath γ
bMore than or equal to the distance that the feed bin center is arrived in the outer wall and cover plate (4) intersection of feed bin (2), said maximum utmost point footpath γ
mThe card radius that is less than or equal to disk feeder.
3, Cang Zui as claimed in claim 2 is characterized in that the maximum utmost point of said spiral case footpath γ
mWith minimum utmost point footpath γ
bDifference be 40～510mm.
4,, it is characterized in that having on the said cover plate (4) 1～4 descending sighthole (20) as claim 1,2,3 described Cang Zui.
5, as claim 1,2,3 described Cang Zui, the height H that it is characterized in that said coaming plate (3) is 100～700mm, the height of said closure plate (5) is 1/3～1/2 of coaming plate (a 3) height H, and said discharge gate (16) is the height sum H of coaming plate (3) with the height sum of closure plate (5).
6,, it is characterized in that the height of said frame plate (8) is identical with the height of discharge gate (16) as claim 1,2,3 described Cang Zui.
7,, it is characterized in that said angle in circular segment Q is 360 ° as claim 1,2,3 described Cang Zui.
8, Cang Zui as claimed in claim 6 is characterized in that the angle α between said scraper and discharge gate (16) is 90 °.
9, as claim 1,2,3 described Cang Zui, the lower port (18) that it is characterized in that said feed bin (2) is for circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95220856 CN2239957Y (en) | 1995-09-12 | 1995-09-12 | Loose material discharging bunker swirl-nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95220856 CN2239957Y (en) | 1995-09-12 | 1995-09-12 | Loose material discharging bunker swirl-nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2239957Y true CN2239957Y (en) | 1996-11-13 |
Family
ID=33868638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95220856 Expired - Fee Related CN2239957Y (en) | 1995-09-12 | 1995-09-12 | Loose material discharging bunker swirl-nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2239957Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016144A (en) * | 2014-06-18 | 2014-09-03 | 云南大红山管道有限公司 | Disc feeding system controllable in feeding number |
| CN108788005A (en) * | 2017-01-05 | 2018-11-13 | 菏泽学院 | A kind of sand mixer and its feed component |
-
1995
- 1995-09-12 CN CN 95220856 patent/CN2239957Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016144A (en) * | 2014-06-18 | 2014-09-03 | 云南大红山管道有限公司 | Disc feeding system controllable in feeding number |
| CN108788005A (en) * | 2017-01-05 | 2018-11-13 | 菏泽学院 | A kind of sand mixer and its feed component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |