CN102602704A - Pneumatic conveying device for conveying laminar materials - Google Patents
Pneumatic conveying device for conveying laminar materials Download PDFInfo
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- CN102602704A CN102602704A CN2011100220879A CN201110022087A CN102602704A CN 102602704 A CN102602704 A CN 102602704A CN 2011100220879 A CN2011100220879 A CN 2011100220879A CN 201110022087 A CN201110022087 A CN 201110022087A CN 102602704 A CN102602704 A CN 102602704A
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- blanking
- thin sheet
- transporting thin
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Abstract
The invention discloses a pneumatic conveying device for conveying laminar materials, which is mainly composed of a metering, air locking and blanking part and a part of conveying air into a kiln; the metering, air locking and blanking part comprises a buffer blanking bin, wherein the lower port of the buffer blanking bin is connected with a rotary blanking device; two kick-out devices arranged up and down are transversely arranged in the buffer blanking bin, and the axle centers of the two kick-out devices are respectively situated at the two sides of a central line in the buffer blanking bin; and comb-shaped material kick-out teeth are arranged on a rotating shaft of the kick-out device, and the comb-shaped material kicking teeth are staggered with each other. The part of conveying air into the kiln comprises a roots blower connected with an air conveying pipeline; the rotary blanking device of the metering, air locking and blanking part is connected with the air conveying pipeline through a blanking chute; and the other end of the air conveying pipeline is connected with a multi-passage combustor of a cement kiln precombustion furnace or a cement kiln front. The pneumatic conveying device for conveying laminar materials, disclosed by the invention, can effectively convey glass fiber reinforced plastic composite materials serving as cement to replace fuel.
Description
Technical field
The present invention relates to a kind of Pneumatic conveyer, relate to a kind of Pneumatic conveyer of transporting thin board particularly.
Background technology
Glass-felt plastic (FRP) product is a kind of synthetic composite material, is made up of the fibre-forming polymer that is wrapped in the polymer substrate.Use therein reinforcement material generally is a fibrous glass, but also can adopt aramid fiber (Kevlar) or carbon fiber as reinforcement material, is widely used in every profession and trade with performances such as its light weight, intensity height, withstanding corrosions.Be about 10-15 the tenure of use of general glass fiber reinforced plastics product; Use through long-time; The early stage glass-reinforced plastic material that uses is eliminated to become admittedly gradually to give up, and the waste leftover material amount that produces in glass fiber reinforced plastics product production, the course of processing is also along with being widely used of glass fiber reinforced plastics product increases year by year.Because glass fiber reinforced plastics composite material has thermoset, contains a large amount of fibrous glasss again, the waste treatment process of glass fiber reinforced plastics composite material is difficulty very,, the problem of glass fiber reinforced plastics composite material offal treatment, recovery difficulty is remarkable day by day.
On the other hand, cement industry is fuel with the raw coal, and the raw coal consumption is huge, is representative type energy intensive industry, owing to be becoming tight raw coal supply day at present, causes the manufacture of cement cost to improve gradually, is unfavorable for the development of cement industry.Along with low-carbon economy becomes the mainstream of society economic form day by day; Develop a circular economy; Concentrate and reduce primary energy consumption, searching coal alternative fuel becomes cement production enterprise gradually and seeks to further develop main means, also is the trend of the times of energy intensive industry seeking breakthrough.
Had at present the glass-felt plastic waste is sent into the test report that cement kiln burns through the powder that pulverizing process is broken into particle diameter 10mm size, the broken particle diameter of glass-felt plastic is less in this test, causes broken cost higher, is inappropriate for large-scale industrial production.In actual production process, can glass-reinforced plastic material be crushed to the 20mm particle diameter for controlling cost, but different with general granular material be that there is light weight in the laminar material of 20mm particle diameter, density unevenness is even, flowing power is poor, be prone to take place to build bridge problems such as causing the blanking difficulty.
Traditional wind-force delivery system in the known technology can only be carried the littler granular material of particle diameter, when the transporting thin sheet material, is prone to take place arch formation; And belt conveyor system can't be realized uniform distribution, and because of material excessive spreads to disperse surrounding environment is polluted easily when carrying light material.Modes such as therefore known belt conveying and wind-force conveying are not suitable for as the above laminar alternative fuel of particle diameter 10mm of carrying the glass fiber reinforced plastics composite material preparation.
Summary of the invention
The object of the present invention is to provide a kind of Pneumatic conveyer of transporting thin sheet material, to carry glass fiber reinforced plastics composite material effectively as the cement alternative fuel.
For realizing above-mentioned purpose, the Pneumatic conveyer of transporting thin sheet material provided by the invention is mainly sent into kiln two parts by metering lock wind blanking and wind and is formed; Wherein:
The blanking of metering lock wind partly comprises:
One buffering blanking bin, its lower port connects rotary feeder; Be horizontally arranged with two in the buffering blanking bin and be the poking device of layout up and down, the axle center of two poking devices is respectively at line of centers both sides in the buffering blanking bin; The rotating shaft of poking device is provided with comb shape and dials the material tooth, and the comb shape moving tooth is interlaced with each other;
Wind is sent into kiln and is partly comprised:
One roots blower connects an air delivery pipe;
The rotary feeder of said metering lock wind blanking part connects this air delivery pipe through the blanking scraper-trough conveyer;
The other end of air delivery pipe links to each other with the multicenter combustor of cement kiln pre-burning stove or cement kiln kiln hood.
The Pneumatic conveyer of said transporting thin sheet material, wherein two poking devices are respectively by two motor-driven, and its rotating speed is different.
The Pneumatic conveyer of said transporting thin sheet material, wherein two poking devices are for rotate in opposite directions.
The Pneumatic conveyer of said transporting thin sheet material, wherein cushioning blanking bin lower port bonded assembly is lock wind rotary feeder.
The Pneumatic conveyer of said transporting thin sheet material, wherein single lattice volume of rotary feeder is fixed, and rotary feeder adopts frequency conversion drive adjustment rotating speed.
The Pneumatic conveyer of said transporting thin sheet material, wherein the other end of air delivery pipe links to each other with the multicenter combustor of cement kiln pre-burning stove or cement kiln kiln hood through elbow; Air delivery pipe and elbow are provided with ceramic-lined, and wherein the radius of curvature of channel bend is all greater than 7 times of calibers, to avoid the accumulation material in the elbow.
The Pneumatic conveyer of said transporting thin sheet material, wherein, the roots blower exit is provided with outlet valve; On the pipeline between outlet valve and the blanking scraper-trough conveyer blowdown valve is housed.
The Pneumatic conveyer of said transporting thin sheet material wherein, is provided with the liner plate of longitudinal ripple, to avoid fluffy material in the buffering blanking bin.
Good effect of the present invention is:
1) phenomenon causes material to be built bridge because the glass-felt plastic after the fragmentation is prone to stick together, and buffering blanking bin inside is provided with the corrugated liner plate, and the liner plate form can make material and bulkhead contact point reduce, and produces air extractor vent, prevents some areas material generation arch formation.
2) two poking devices of rotation in opposite directions are set in the buffering blanking bin; Poking device can inswept storehouse in the most area of tangent plane; Continue to stir material, fluffy materials is kept in motion all the time, preventing that solid accumulation from causing bottom material compacting to cause can't blanking.
3) dial material axle rotating speed difference for two, can realize the circulating motion of material in whole buffering blanking bin, guaranteeing does not have the dead angle.
4) through after the blanking of lock wind metering blanking system, alternative fuel gets into air delivery pipe by the blanking scraper-trough conveyer.Because glass-felt plastic material hardness is very big, adopt common wind to send pipeline to be prone to cause the inner-walls of duct wearing and tearing, operating cycles is extremely short; In case it is worn out that pipeline occurs, then blast system can't normally use, and air delivery pipe of the present invention all has ceramic-lined; Because ceramic hardness is suitable with glass-felt plastic; The glass-felt plastic material can not produce a large amount of wearing and tearing to material, to reduce the wearing and tearing of glass-felt plastic material to inner-walls of duct, increases service life.
5) each elbow radius of curvature of pipeline guarantees that all greater than 7 times of calibers material can not cause material to stop up in the elbow accumulation.
6) be conveyed into kiln and adopt the closed conduit strength to carry, mass transport is gone in the process of kiln and can not caused secondary pollution to surrounding environment after fragmentation.
7) delivery conduit is provided with blowdown valve, when pipeline inner pressure is too high, can carry out pressure release, prevents to stop up the too high system failure problem of bringing of manifold pressure that causes because of solid accumulation.Blowdown valve is located at blanking scraper-trough conveyer front end, and pressure leak process can not influence surrounding environment because of the glass-felt plastic separation of fragments.
Description of drawings
Fig. 1 is the scheme drawing of apparatus of the present invention.
Fig. 2 is the birds-eye view figure of the interior poking device of buffering blanking bin among Fig. 1.
Fig. 3 is the lateral plan along A-A direction among Fig. 2.
The specific embodiment
The Pneumatic conveyer of transporting thin sheet material provided by the invention has solved the problem that the laminar materials such as glass-felt plastic of alternative fuel are difficult to carry.
Below in conjunction with accompanying drawing the present invention is described in detail.
Metering lock wind blanking system:
Metering lock wind blanking part is made up of following components: buffering blanking bin 10, two- stage poking device 11,12, rotary feeder 13 and motor that matches with poking device, rotary feeder and reductor 14.
Mean grain size after the fragmentation at first gets into the buffering blanking bin less than the sheet material of 20mm, and the buffering blanking bin is the shape of falling the truncated rectangular pyramids.Phenomenon causes material to be built bridge because the glass-felt plastic after the fragmentation is prone to stick together; Buffering blanking bin inside is provided with corrugated liner plate (not shown), and the liner plate form can make material and bulkhead contact point reduce, and produces air extractor vent; Prevent some areas material generation arch formation, prevent fluffy material.Two poking devices 11,12 of rotation in opposite directions are set in the buffering blanking bin; Poking device can inswept storehouse in the most area of tangent plane; Continue to stir material, fluffy materials is kept in motion all the time, preventing that solid accumulation from causing bottom material compacting to cause can't blanking.Poking device is the accumbency rotary shaft, comb shape is set in the rotating shaft dials material tooth 11 ', 12 ', and two horizontal axle center are distributed in blanking bin line of centers limit, are layout (as shown in Figure 3) up and down, comb shape moving tooth (as shown in Figure 2) interlaced with each other.The poking device rotating shaft is driven respectively by two motors, and rotating speed is different, can realize the circulating motion of material in whole storehouse, and guaranteeing does not have the dead angle, and two poking devices rotate realization in opposite directions and will cushion the effect that blanking was stirred and assisted to the interior material of blanking bin during blanking.
Connect lock wind rotary feeder at the bottom of the buffering blanking bin, adopt rotary feeder to carry out blanking, control blanking amount and lock wind function simultaneously.Rotary feeder is divided into 6 lattice, and single lattice volume is fixed, and rotary feeder adopts frequency conversion drive, and rotating speed adjustable is through the purpose of control rotary feeder rotating speed realization control blanking amount.Metering lock wind blanking system can play metering, lock wind and three functions of blanking simultaneously.
Wind of the present invention is sent into kiln system and is made up of following several sections: roots blower 20, outlet valve 21, blowdown valve 22, blanking scraper-trough conveyer 23, with ceramic-lined air supply duct 24, with elbow 25 ceramic-lined and that pours is reinforced.
After the blanking of lock wind metering blanking system, alternative fuel gets into air delivery pipe 24 by blanking scraper-trough conveyer 23, because glass-felt plastic material hardness is very big; Adopt common wind to send pipeline to be prone to cause the inner-walls of duct wearing and tearing; Operating cycles is extremely short, in case the pipeline appearance is worn out, then blast system can't normally use.Air delivery pipe 24 of the present invention has ceramic-lined, because ceramic hardness is suitable with glass-felt plastic, the glass-felt plastic material can not produce a large amount of wearing and tearing to material, increases service life, to reduce the wearing and tearing of glass-felt plastic material to inner-walls of duct.Air delivery pipe one termination has roots blower 20; Roots blower 20 exits are provided with outlet valve 21; On the pipeline between outlet valve and the blanking scraper-trough conveyer blowdown valve 22 is housed; When air delivery pipe 24 internal pressures are too high, can carry out pressure release, to prevent stopping up the too high system failure problem of bringing of manifold pressure that causes because of solid accumulation.Blowdown valve 22 is located at the front end of blanking scraper-trough conveyer 23, and pressure leak process can not influence surrounding environment because of the glass-felt plastic separation of fragments.Because Pneumatic conveyer of the present invention is when concrete the installation; With the position of the multicenter combustor of cement kiln pre-burning stove or cement kiln kiln hood not on same horizontal surface; Therefore can link to each other with the multicenter combustor of cement kiln pre-burning stove or cement kiln kiln hood through elbow 25 at the air delivery pipe other end, material blows into the cement kiln burning through roots blower.The radius of curvature of elbow 25 guarantees that all greater than 7 times of calibers material can not cause material to stop up in the elbow accumulation.For avoiding elbow 25 inner wall abrasion, elbow 25 also has ceramic-lined.
Claims (10)
1. the Pneumatic conveyer of a transporting thin sheet material is mainly sent into kiln two parts by metering lock wind blanking and wind and is formed; Wherein:
The blanking of metering lock wind partly comprises:
One buffering blanking bin, its lower port connects rotary feeder; Be horizontally arranged with two in the buffering blanking bin and be the poking device of layout up and down, the axle center of two poking devices is respectively at line of centers both sides in the buffering blanking bin; The rotating shaft of poking device is provided with comb shape and dials the material tooth, and the comb shape moving tooth is interlaced with each other;
Wind is sent into kiln and is partly comprised:
One roots blower connects an air delivery pipe;
The rotary feeder of said metering lock wind blanking part connects this air delivery pipe through the blanking scraper-trough conveyer;
The other end of air delivery pipe links to each other with the multicenter combustor of cement kiln pre-burning stove or cement kiln kiln hood.
2. according to the Pneumatic conveyer of the said transporting thin sheet material of claim 1, wherein, two poking devices are respectively by two motor-driven, and its rotating speed is different.
3. according to the Pneumatic conveyer of the said transporting thin sheet material of claim 1, wherein, two poking devices are for rotate in opposite directions.
4. according to the Pneumatic conveyer of the said transporting thin sheet material of claim 1, wherein, buffering blanking bin lower port bonded assembly is a lock wind rotary feeder.
5. according to the Pneumatic conveyer of claim 1 or 4 said transporting thin sheet materials, wherein, single lattice volume of rotary feeder is fixed, and rotary feeder adopts frequency conversion drive adjustment rotating speed.
6. according to the Pneumatic conveyer of the said transporting thin sheet material of claim 1, wherein, the other end of air delivery pipe links to each other with the multicenter combustor of cement kiln pre-burning stove or cement kiln kiln hood through elbow.
7. according to the Pneumatic conveyer of claim 1 or 6 said transporting thin sheet materials, wherein, air delivery pipe and elbow are provided with ceramic-lined.
8. according to the Pneumatic conveyer of the said transporting thin sheet material of claim 7, wherein, the radius of curvature of elbow is all greater than caliber, to avoid the accumulation material in the elbow.
9. according to the Pneumatic conveyer of the said transporting thin sheet material of claim 1, wherein, the roots blower exit is provided with outlet valve; On the pipeline between outlet valve and the blanking scraper-trough conveyer blowdown valve is housed.
10. according to the Pneumatic conveyer of the said transporting thin sheet material of claim 1, wherein, be provided with the liner plate of longitudinal ripple in the buffering blanking bin, to avoid fluffy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100220879A CN102602704A (en) | 2011-01-20 | 2011-01-20 | Pneumatic conveying device for conveying laminar materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100220879A CN102602704A (en) | 2011-01-20 | 2011-01-20 | Pneumatic conveying device for conveying laminar materials |
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| CN102602704A true CN102602704A (en) | 2012-07-25 |
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| CN2011100220879A Pending CN102602704A (en) | 2011-01-20 | 2011-01-20 | Pneumatic conveying device for conveying laminar materials |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196149A (en) * | 2013-04-23 | 2013-07-10 | 湖北东森木业有限公司 | Boiler fuel feeding device for fiberboard production enterprise |
| CN103466326A (en) * | 2013-08-26 | 2013-12-25 | 张家港保税区万盛机械工业有限公司 | Dilute-phase positive-pressure conveying device |
| CN105398825A (en) * | 2015-11-24 | 2016-03-16 | 张家港市艾尔环保设备有限公司 | Pneumatic transmission powder collector |
| CN109422104A (en) * | 2017-08-30 | 2019-03-05 | 黑龙江如柏科技有限公司 | A kind of bin component and the paper pulp production line with it |
| CN110294327A (en) * | 2019-07-09 | 2019-10-01 | 扬州安泰威合金硬面科技有限公司 | A kind of device for transporting objects for the processing of Co-based alloy powder coating |
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| CN202022584U (en) * | 2011-01-20 | 2011-11-02 | 北京金隅红树林环保技术有限责任公司 | Pneumatic conveying device for conveying laminar materials |
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Patent Citations (5)
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| US4044921A (en) * | 1976-04-12 | 1977-08-30 | Caverly Warren R | Sand bag filling apparatus |
| JPH0383722A (en) * | 1989-08-25 | 1991-04-09 | Hitachi Metals Ltd | Method and device for pneumatic tarnsportaion of inculation agent |
| US5829649A (en) * | 1993-02-16 | 1998-11-03 | Western Fibers, Inc. | Apparatus for conditioning and dispensing loose fill insulation material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196149A (en) * | 2013-04-23 | 2013-07-10 | 湖北东森木业有限公司 | Boiler fuel feeding device for fiberboard production enterprise |
| CN103196149B (en) * | 2013-04-23 | 2015-06-03 | 湖北东森木业有限公司 | Boiler fuel feeding device for fiberboard production enterprise |
| CN103466326A (en) * | 2013-08-26 | 2013-12-25 | 张家港保税区万盛机械工业有限公司 | Dilute-phase positive-pressure conveying device |
| CN103466326B (en) * | 2013-08-26 | 2016-04-13 | 张家港保税区万盛机械工业有限公司 | Dilute phase positive-pressure conveying device |
| CN105398825A (en) * | 2015-11-24 | 2016-03-16 | 张家港市艾尔环保设备有限公司 | Pneumatic transmission powder collector |
| CN109422104A (en) * | 2017-08-30 | 2019-03-05 | 黑龙江如柏科技有限公司 | A kind of bin component and the paper pulp production line with it |
| CN110294327A (en) * | 2019-07-09 | 2019-10-01 | 扬州安泰威合金硬面科技有限公司 | A kind of device for transporting objects for the processing of Co-based alloy powder coating |
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Application publication date: 20120725 |