CN202022584U - Pneumatic conveying device for conveying laminar materials - Google Patents
Pneumatic conveying device for conveying laminar materials Download PDFInfo
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- CN202022584U CN202022584U CN2011200170555U CN201120017055U CN202022584U CN 202022584 U CN202022584 U CN 202022584U CN 2011200170555 U CN2011200170555 U CN 2011200170555U CN 201120017055 U CN201120017055 U CN 201120017055U CN 202022584 U CN202022584 U CN 202022584U
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- blanking
- thin sheet
- transporting thin
- pneumatic conveyer
- sheet material
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Abstract
Provided is a pneumatic conveying device for conveying laminar materials, and the device is composed of a metering air lock blanking part and an air-sending-to-kiln part; the metering air lock blanking part includes a buffer blanking bunker, the lower end opening of which is connected to a rotary blanking device; two kick-off devices which are distributed up and down are transversely arranged in the buffer blanking bunker, and the axis of the two kick-off devices are arranged at the two sides of the center line in the buffer blanking bunker; comb-shaped kick-off teeth are arranged on the rotating shafts of the kick-off devices and are mutually staggered; the air-sending-to-kiln part includes a roots air blower which is connected to an air-sending pipeline; the rotary blanking device of the metering air lock blanking part is connected to the air-sending pipeline via a blanking chute; and the other end of the air-sending pipeline is connected to the multichannel burner of a cement kiln precombustion furnace or a cement kiln head. The device provided can effectively convey glass fiber reinforced plastic composite materials as the substitute fuel of cement.
Description
Technical field
The utility model relates to a kind of Pneumatic conveyer, relates 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 glass fibre, 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 extensive use of year by year of glass fiber reinforced plastics product increases.Because glass fiber reinforced plastics composite material has thermoset, contains a large amount of glass fibres again, the waste treatment process of glass fiber reinforced plastics composite material is very difficult, and 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 the test, causes broken cost higher, is unsuitable for large-scale industrial production.In actual production process, glass-reinforced plastic material can 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, problems such as causing the blanking difficulty easily takes place to build bridge.
Traditional wind-force delivery system in the known technology can only be carried the littler granular material of particle diameter, and arch formation easily takes place when the transporting thin sheet material; 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 use in carrying the above laminar alternative fuel of particle diameter 10mm of glass fiber reinforced plastics composite material preparation.
The utility model content
The purpose of this utility model is to provide a kind of Pneumatic conveyer of transporting thin sheet material, to carry the glass fiber reinforced plastics composite material as the cement alternative fuel effectively.
For achieving the above object, the Pneumatic conveyer of the transporting thin sheet material that the utility model provides 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 material toggling 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 described metering lock wind blanking part connects this air delivery pipe by the blanking scraper-trough conveyer;
The other end of air delivery pipe links to each other with the multicenter combustor of pre-burner of cement kiln or cement kiln kiln hood.
The Pneumatic conveyer of described transporting thin sheet material, wherein two poking devices are respectively by two motor-driven, its rotating speed difference.
The Pneumatic conveyer of described transporting thin sheet material, wherein two poking devices are for rotating in opposite directions.
The Pneumatic conveyer of described transporting thin sheet material, wherein cushioning blanking bin lower port bonded assembly is lock wind rotary feeder.
The Pneumatic conveyer of described transporting thin sheet material, wherein single lattice volume of rotary feeder is fixed, and rotary feeder adopts frequency conversion drive to adjust rotating speed.
The Pneumatic conveyer of described transporting thin sheet material, wherein the other end of air delivery pipe links to each other by the multicenter combustor of pre-burner of elbow and cement kiln or cement kiln kiln hood; Wherein air delivery pipe and elbow are provided with ceramic-linedly, and wherein the radius of curvature of channel bend is all greater than 7 times of calibers, to avoid piling up material in the elbow.
The Pneumatic conveyer of described 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 described 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 utility model is:
1) phenomenon causes material to be built bridge because the glass-felt plastic after the fragmentation easily sticks 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 most of 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) two material toggling axle rotating speed differences can realize the circulating motion of material in whole buffering blanking bin, and guaranteeing does not have the dead angle.
4) through after the blanking of lock wind metering blanking system, alternative fuel enters air delivery pipe by the blanking scraper-trough conveyer.Because glass-felt plastic material hardness is very big, adopt common wind to send pipeline easily 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 utility model 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, can carry out pressure release when pipeline inner pressure is too high, 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 utility model schematic representation of apparatus.
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 the transporting thin sheet material that the utility model provides 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 utility model 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 enters 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 easily sticks 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 most of 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, and comb shape material toggling tooth 11 ', 12 ' is set in the rotating shaft, and two horizontal axle center are distributed in blanking bin line of centers limit, is 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 the rotating speed difference 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 by 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 utility model 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 ceramic-lined and water that material feeding reinforces elbow 25.
After the blanking of lock wind metering blanking system, alternative fuel enters 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 easily 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 utility model 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 pre-burner of cement kiln or cement kiln kiln hood not on same horizontal surface, therefore can link to each other with the multicenter combustor of pre-burner of cement kiln or cement kiln kiln hood by elbow 25 at the air delivery pipe other end, material blows into the cement kiln burning by 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; It is characterized in that:
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 material toggling 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 described metering lock wind blanking part connects this air delivery pipe by the blanking scraper-trough conveyer;
The other end of air delivery pipe links to each other with the multicenter combustor of pre-burner of cement kiln or cement kiln kiln hood.
2. according to the Pneumatic conveyer of the described transporting thin sheet material of claim 1, it is characterized in that two poking devices are respectively by two motor-driven, its rotating speed difference.
3. according to the Pneumatic conveyer of the described transporting thin sheet material of claim 1, it is characterized in that two poking devices are for rotating in opposite directions.
4. according to the Pneumatic conveyer of the described transporting thin sheet material of claim 1, it is characterized in that buffering blanking bin lower port bonded assembly is a lock wind rotary feeder.
5. according to the Pneumatic conveyer of claim 1 or 4 described transporting thin sheet materials, it is characterized in that single lattice volume of rotary feeder is fixed, rotary feeder adopts frequency conversion drive to adjust rotating speed.
6. according to the Pneumatic conveyer of the described transporting thin sheet material of claim 1, it is characterized in that the other end of air delivery pipe links to each other by the multicenter combustor of pre-burner of elbow and cement kiln or cement kiln kiln hood.
7. according to the Pneumatic conveyer of claim 1 or 6 described transporting thin sheet materials, it is characterized in that air delivery pipe and elbow are provided with ceramic-lined.
8. according to the Pneumatic conveyer of the described transporting thin sheet material of claim 7, it is characterized in that the radius of curvature of channel bend is all greater than 7 times of calibers.
9. according to the Pneumatic conveyer of the described transporting thin sheet material of claim 1, it is characterized in that 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 described transporting thin sheet material of claim 1, it is characterized in that, be provided with the liner plate of longitudinal ripple in the buffering blanking bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200170555U CN202022584U (en) | 2011-01-20 | 2011-01-20 | Pneumatic conveying device for conveying laminar materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200170555U CN202022584U (en) | 2011-01-20 | 2011-01-20 | Pneumatic conveying device for conveying laminar materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202022584U true CN202022584U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200170555U Expired - Lifetime CN202022584U (en) | 2011-01-20 | 2011-01-20 | Pneumatic conveying device for conveying laminar materials |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588978A (en) * | 2012-02-23 | 2012-07-18 | 北京水泥厂有限责任公司 | Treatment method for utilizing waste glass fiber reinforced plastics as alternative fuels |
| CN102602704A (en) * | 2011-01-20 | 2012-07-25 | 北京金隅红树林环保技术有限责任公司 | Pneumatic conveying device for conveying laminar materials |
| CN103057963A (en) * | 2012-12-27 | 2013-04-24 | 苏州昭人纺织有限公司 | Conveying device of textile raw materials |
| CN104555454A (en) * | 2013-10-20 | 2015-04-29 | 宁夏嘉翔自控技术有限公司 | Electric automatic control system of pneumatic conveying system for raw cement materials |
| CN107640592A (en) * | 2016-07-20 | 2018-01-30 | 神华集团有限责任公司 | Powder conveying pump and powder delivery system |
| CN108313762A (en) * | 2018-02-07 | 2018-07-24 | 防城港北部湾港务有限公司 | Wood chip wind turbine fills train device |
-
2011
- 2011-01-20 CN CN2011200170555U patent/CN202022584U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602704A (en) * | 2011-01-20 | 2012-07-25 | 北京金隅红树林环保技术有限责任公司 | Pneumatic conveying device for conveying laminar materials |
| CN102588978A (en) * | 2012-02-23 | 2012-07-18 | 北京水泥厂有限责任公司 | Treatment method for utilizing waste glass fiber reinforced plastics as alternative fuels |
| CN103057963A (en) * | 2012-12-27 | 2013-04-24 | 苏州昭人纺织有限公司 | Conveying device of textile raw materials |
| CN104555454A (en) * | 2013-10-20 | 2015-04-29 | 宁夏嘉翔自控技术有限公司 | Electric automatic control system of pneumatic conveying system for raw cement materials |
| CN107640592A (en) * | 2016-07-20 | 2018-01-30 | 神华集团有限责任公司 | Powder conveying pump and powder delivery system |
| CN107640592B (en) * | 2016-07-20 | 2020-04-07 | 神华集团有限责任公司 | Powder delivery pump and powder delivery system |
| CN108313762A (en) * | 2018-02-07 | 2018-07-24 | 防城港北部湾港务有限公司 | Wood chip wind turbine fills train device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20111102 |
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| CX01 | Expiry of patent term |