CN102814273A - Drum-type sieving machine - Google Patents
Drum-type sieving machine Download PDFInfo
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- CN102814273A CN102814273A CN2012103238722A CN201210323872A CN102814273A CN 102814273 A CN102814273 A CN 102814273A CN 2012103238722 A CN2012103238722 A CN 2012103238722A CN 201210323872 A CN201210323872 A CN 201210323872A CN 102814273 A CN102814273 A CN 102814273A
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- collection tube
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Abstract
The invention relates to a drum-type sieving machine, which mainly solves the problems in the prior art that the sieving equipment is heavy in vibration and high in maintenance workload. The drum-type sieving machine is characterized in that rail rings (4) are respectively welded at the inlet end and the outlet end of a cylindrical sieving barrel body (5), and are placed on supporting idler wheels (8); a plurality of sieving holes are distributed in the middle of the sieving barrel body (5); spiral blades (9) which are symmetrically placed in pair are welded on the internal wall of the sieving barrel body (5); a cross coal shifting device (3) is welded in an opening end of the sieving barrel body (5); a large chain wheel (6) is fixedly welded at the inner side of the rail ring (4) at the outlet end; an outlet collecting barrel (11) is sleeved outside the rail ring (4) at the outlet end of the sieving barrel body; and a middle collecting barrel (10) is sleeved outside the middle part of the sieving barrel body. The drum-type sieving machine is stable in running, low in noise, and capable of achieving effective sealing, and has high mechanical efficiency and low maintenance workload.
Description
Technical field
The present invention relates to the screening machine of the screening and separating of industrial and mining enterprises' raw coal or other dry lump materials, especially a kind of drum-type screening machine.
Background technology
[0002] most of thermal power plants or enterprise's self-contained thermoelectric plant coal handling system all are to select circular shale shaker as the raw coal screening plant.Its basic principle is: sieve plate (turning forward) is arranged in the body square chest; Eccentric wheel fast rotational on the motor drives body; Make the body square chest produce dither; The raw coal that falls in the casing moves forward on the sieve plate of sieve aperture and realizes separating having, and directly is transported to the coal bunker of boiler stokehold after coal dust and granularity directly drop down onto above the coal conveyer belt less than the coal cinder of sieve aperture, and granularity moves to body greater than the coal cinder of sieve aperture and exports at the back; Just can drop down onto above the coal conveyer belt after the entering disintegrating machine is broken, be transported to the coal bunker of boiler stokehold then.The oscillatory type sieving machine in use has following defective: 1. because the eccentric wheel of rotation drives the casing dither; Base bearing on the body bears sizable impact load, requires to select for use quality imported bearing preferably, and the grease consumption in the bearing is very fast; Less than adding one time grease in three months; Even imported bearing also damages than being easier to, even the casing steel plate is also because fatigue crack appears in vibration easily, and the repair and maintenance workload is big; 2. on-site noise is big when moving, and vibration is big, requires mounting reinforcing steel bars xoncrete structure underlying strength higher; Cause the foundation cost height is installed; Sealing can't be realized in body and junction, gateway, and on-the-spot airborne dust content is high, and health of operators in serious threat; 3. motor speed generally can not be adjusted according to load, and mechanical efficiency is lower.
Summary of the invention
Technical problem to be solved by this invention is to overcome the problem that the screening plant vibration is big, maintenance workload is big that exists in the background technology; And a kind of drum-type screening machine is provided; This drum-type screening machine operates steadily, noise is little, can realize effective sealing, and mechanical efficiency is high, maintenance workload is little.
The present invention solves its problem and can reach through following technical scheme: this drum-type screening machine comprises cylindrical screening cylindrical shell, base; Base is provided with 4 two two symmetrically arranged idler pulley wheels; Described cylindrical screening cylindrical shell is imported and exported two ends and is welded with orbit ring respectively, and the orbit ring at screening cylindrical shell two ends places on the idler pulley wheel; Described screening cylindrical shell middle part is distributed with some sieve apertures, and the screening cylinder inboard wall is welded into the spiral vane that right symmetry is placed, and is welded with the cross coal poking device in the screening cylindrical shell entrance point; Screening cylindrical shell port of export orbit ring inboard is fixedly welded with hinge wheel; The screening cylindrical shell port of export orbit ring outside is equipped with the outlet surge drum; The outer intermediate collection tube that is equipped with in screening cylindrical shell middle part; The rectangle outlet is arranged at intermediate collection tube, outlet surge drum bottom, and intermediate collection tube, outlet surge drum bottom place on the support, and support is fixed on the base; Screening cylindrical shell entrance point is equipped with cylindrical shape material inlet pipe, and the material inlet pipe is fixed on the support of base; Described screening cylindrical shell entrance face, intermediate collection tube front/rear end, outlet surge drum end face are fixed with the several sealed ring.
The present invention and above-mentioned background compared with techniques can have following beneficial effect: this drum-type screening machine is owing to adopt said structure; The screening cylindrical shell is under drive unit drives; The spiral vane of barrel promotes large granular materials and flows out to the rectangle outlet that Way out moves below the outlet surge drum of back; The rectangle outlet that small particles material will spill from the sieve aperture on the cylindrical shell below the intermediate collection tube is flowed out; Thereby realized separating of large granular materials and small particles material, detachable about intermediate collection tube, the outlet surge drum structure.Equipment itself is simple in structure, and is easy for installation, and floor space is little, and manufacturing expense is low, and minimizing equipment is installed the cost of civil engineering; Rotating operation is steady, vibrates for a short time, and consumable accessorys such as idler pulley wheel, position-limited wheel are outside at cylindrical shell, and the rolling friction wear extent is minimum, and the plant maintenance maintenance workload is little, and the regular maintenance expense is low; Variable-frequency motor can even therefore under lower rotating speed, also can guarantee higher mechanical efficiency, can move according to load adjustment rotating speed reposefully.
Description of drawings:
Accompanying drawing 1 is a main part structural representation of the present invention;
Accompanying drawing 2 is external overall structural representations of the present invention;
Accompanying drawing 3 is screening cylindrical shell cutaway views that the present invention welds spiral vane, coal poking device;
Accompanying drawing 4 is structural representations of intermediate collection tube of the present invention;
Accompanying drawing 5 is structural representations that the present invention exports surge drum.
Among the figure: the 1-base, 2-material inlet pipe, the 3-coal poking device, the 4-orbit ring, 5-sieves cylindrical shell, the 6-hinge wheel, the 7-drive unit, 8-idler pulley wheel, the 9-spiral vane, 10-intermediate collection tube, 11-exports surge drum, 12-sealing ring, 13-position-limited wheel, 14-support.
The specific embodiment:
To be described further the present invention below in conjunction with accompanying drawing:
Accompanying drawing 1 combines shown in Figure 2; This drum-type screening machine comprises base 1; Base is provided with 4 two two symmetrically arranged idler pulley wheels 8; Cylindrical screening cylindrical shell 5 import and export two ends are welded with orbit ring 4 respectively, and 4 of the orbit rings at screening cylindrical shell two ends are on idler pulley wheel 8, and described idler pulley is taken turns 8 edges and had flange; Be distributed with some sieve apertures on the described screening cylindrical shell 5,2 symmetrically arranged spiral vanes 9 of screening cylindrical shell 5 inwalls welding are connected to cross coal poking device 3 in screening cylindrical shell 5 arrival ends, and are as shown in Figure 3; Screening cylindrical shell 5 port of export orbit rings 4 inboards are welded with hinge wheel 6, and hinge wheel 6 is connected with drive unit 7 through chain, and screening cylindrical shell 5 port of export orbit rings 4 outsides are equipped with outlet surge drum 11; Screening cylindrical shell 5 intermediary outside are equipped with intermediate collection tube 10; Intermediate collection tube 10, outlet surge drum 11 cylinder side faces are closed, and the bottom has the rectangle outlet, and intermediate collection tube 10, outlet surge drum 11 bottoms place on the support, and support 14 is fixed on the base 1; Intermediate collection tube 10, the outlet surge drum 11 be about detachable structure, like Fig. 4, shown in Figure 5; Be connected with material inlet pipe 2 on the base of screening cylindrical shell 5 entrance points, material inlet pipe 2 is a tilting; Screening cylindrical shell entrance face, intermediate collection tube end face, outlet surge drum end face are respectively by hold-down ring fixing seal ring 12; Orbit ring 4 places of entrance point are provided with position-limited wheel 13, prevent cylindrical shell play forward.Described drive unit 7 comprises variable-frequency motor, reductor, minor sprocket, and motor is contained on the reductor.Motor rotates through after the reductor deceleration output, drives minor sprocket, and minor sprocket drives hinge wheel 6 through chain and sieves cylindrical shell 5 and rotate.Described chain is the single bushroller chain of 32A.
This drum-type screening machine course of work does; Dry material is through material inlet pipe 2 is getting into screening cylindrical shell 5 inside under coal poking device 3 booster actions after; Drive unit 7 drives hinge wheel 6 and screening cylindrical shell 5 rotates counterclockwise (seeing from Way in); The spiral vane of barrel will promote large granular materials and move the outlet surge drum 11 bottom rectangle outlet outflows through the back to Way out; Small particles material will spill from the sieve aperture on the cylindrical shell through the 10 bottom rectangle outlets of intermediate collection tube and flow out, thereby realize separating of large granular materials and small particles material.
When the cylindrical tube physical dimension is φ 1200 * φ 1168 * 3000, the sieve aperture on the screening cylindrical shell 5 can be the hole of φ 13, and center distance is 25mm in length and breadth, can satisfy the granularity requirements of CFBB to fire coal; Also can bore the hole of φ 45, center distance is 80mm in length and breadth, can satisfy the granularity requirements of layer combustion stoves such as traveling-grate stoker to fire coal, and effective sifting area can reach 9 square metres.Two orbit rings are of a size of φ 1420 * φ 1200 * 100, and material is ZG50, and the fillet of Design and Machining R10 makes its wear extent to the idler pulley wheel minimum; The diameter of idler pulley wheel is φ 280mm, and the edge has flange can prevent cylindrical shell front and back play, and position-limited wheel plays auxiliary cylindrical shell 5 play forward that prevents to sieve.
In order to prevent the inlet tube chute blockage; Adopt tilting large aperture inlet tube, inner full-size φ 860mm, minimum dimension reaches φ 608mm; The inlet water flat segments is goed deep into cylindrical shell less than 100mm, and the toggle action of coal poking device also can make material get into sifting barrel body inside very soon.Inlet tube, intermediate collection tube, outlet surge drum adopt contact seal ring dustproof construction with the screening cylindrical shell; Be fastened on entrance face before cylindrical shell entrance face, intermediate collection tube front/rear end, the outlet surge drum to sealing ring respectively with hold-down ring; Each seal point can add 2-3 sealing ring, and is dustproof reliable.The intermediate collection tube is designed to horizontal with the outlet surge drum and splits structure simultaneously, if because the raw coal water content is high to block the screening hole when influencing screening effect, can remove its first half, the maintainer gets into barrel and handles.
Driving mechanism can be selected the direct-connected motor of 11KW frequency conversion for use, can be according to the load rotating speed of adjustment equipment of boiler fired coal; Reductor is selected cycloidal planetary gear speed reducer (model BWY33-35-15) for use, adopts the single bushroller chain transmission of 32A, and the equipment of assurance operates steadily, noise is very little.All consumable accessorys of this equipment all externally mainly comprise idler pulley wheel and position-limited wheel.Sturdy and durable in order to guarantee it; Two mouthfuls of 7315E taper roll bearings of idler pulley wheel mounted inside; Two mouthfuls of 7310E taper roll bearings of position-limited wheel mounted inside, and on bearing gland, assemble outside framework oil seal, add oil filler point, machine gets final product grease up after stopping transport; Easy to maintenance, idler pulley wheel and position-limited wheel long service life.
Claims (6)
1. drum-type screening machine; Comprise cylindrical screening cylindrical shell (5), base (1); Base (1) is provided with the idler pulley wheel (8) that 4 two two symmetries are placed; It is characterized in that: described cylindrical screening cylindrical shell (5) is imported and exported two ends and is welded with orbit ring (4) respectively, and the orbit ring (4) at screening cylindrical shell (5) two ends places on the idler pulley wheel (8); Described screening cylindrical shell (5) middle part is distributed with some sieve apertures, and screening cylindrical shell (5) inwall is welded into the spiral vane (9) that right symmetry is placed, and is welded with cross coal poking device (3) in screening cylindrical shell (5) entrance point; Screening cylindrical shell (5) port of export orbit ring (4) inboard is fixed with hinge wheel (6), and screening cylindrical shell (5) port of export orbit ring (4) outside is equipped with outlet surge drum (11); The outer intermediate collection tube (10) that is equipped with in screening cylindrical shell (5) middle part; The rectangle outlet is arranged at intermediate collection tube (10), outlet surge drum (11) bottom, and intermediate collection tube (10), outlet surge drum (11) bottom place on the support (14), and support (14) is fixed on the base (1); Screening cylindrical shell (5) entrance point is equipped with material inlet pipe (2), and material inlet pipe (2) is fixed on the support of base (1); Described screening cylindrical shell (5) inlet end face, intermediate collection tube (10) front/rear end, outlet surge drum (11) end face are fixed with several sealed ring (12).
2. drum-type screening machine according to claim 1 is characterized in that: described spiral vane (9) is 2.
3. drum-type screening machine according to claim 1; It is characterized in that: described intermediate collection tube (10), outlet surge drum (11) are detachable structure up and down; Be respectively intermediate collection tube (10) the first half and the latter half, the first half and the latter half of outlet surge drum (11).
4. drum-type screening machine according to claim 1 is characterized in that: the orbit ring (4) of described screening cylindrical shell entrance point locates to be provided with position-limited wheel (13).
5. drum-type screening machine according to claim 1 is characterized in that: described hinge wheel (6) is connected with drive unit (7) through chain.
6. drum-type screening machine according to claim 5 is characterized in that: described drive unit (7) comprises variable-frequency motor, reductor, minor sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103238722A CN102814273A (en) | 2012-09-05 | 2012-09-05 | Drum-type sieving machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103238722A CN102814273A (en) | 2012-09-05 | 2012-09-05 | Drum-type sieving machine |
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| CN102814273A true CN102814273A (en) | 2012-12-12 |
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| CN2012103238722A Pending CN102814273A (en) | 2012-09-05 | 2012-09-05 | Drum-type sieving machine |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392455A (en) * | 2013-07-25 | 2013-11-20 | 萝北县凤翔镇东鑫农机修造厂 | Secondary separation device for hybrid material of corn kernels |
| CN104259089A (en) * | 2014-07-28 | 2015-01-07 | 闫红强 | Strip-type drum screening machine for household garbage |
| CN104289427A (en) * | 2014-09-29 | 2015-01-21 | 崇州市耘丰农机专业合作社 | Soil sieving device |
| CN105312218A (en) * | 2015-08-17 | 2016-02-10 | 太仓新东方生物科技养殖有限公司 | Tenebrio molitor screening device |
| CN105344583A (en) * | 2015-09-08 | 2016-02-24 | 宁国市南方耐磨材料有限公司 | Drum-type wear-resisting steel ball impurity removal device |
| CN105689253A (en) * | 2016-04-15 | 2016-06-22 | 中煤科工集团武汉设计研究院有限公司 | Coal slurry sieving equipment |
| CN105886773A (en) * | 2015-07-28 | 2016-08-24 | 兰溪市博远金属有限公司 | Aluminum ash and aluminum slag treatment system |
| CN106140609A (en) * | 2016-08-30 | 2016-11-23 | 河南威猛振动设备股份有限公司 | A kind of rotary screen that intersects |
| CN108838060A (en) * | 2018-08-06 | 2018-11-20 | 惠州市豪美氏智能电气有限公司 | A kind of grain is cracked rice screening machine |
| CN110508489A (en) * | 2019-09-05 | 2019-11-29 | 安徽花山街网络科技有限公司 | A kind of integral type drying tea leaves screening plant |
| CN114602786A (en) * | 2022-02-28 | 2022-06-10 | 江西睿达新能源科技有限公司 | Lithium battery negative electrode material screening device |
| CN117244654A (en) * | 2023-11-20 | 2023-12-19 | 长春中医药大学 | A kind of traditional Chinese medicine crushing abrasive device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2753465Y (en) * | 2004-11-19 | 2006-01-25 | 惠州市三峰环保设备科技有限公司 | Garbage revolving drum sieve |
| CN202700786U (en) * | 2012-09-05 | 2013-01-30 | 大庆中蓝石化有限公司 | Drum type sieving machine |
-
2012
- 2012-09-05 CN CN2012103238722A patent/CN102814273A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2753465Y (en) * | 2004-11-19 | 2006-01-25 | 惠州市三峰环保设备科技有限公司 | Garbage revolving drum sieve |
| CN202700786U (en) * | 2012-09-05 | 2013-01-30 | 大庆中蓝石化有限公司 | Drum type sieving machine |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392455A (en) * | 2013-07-25 | 2013-11-20 | 萝北县凤翔镇东鑫农机修造厂 | Secondary separation device for hybrid material of corn kernels |
| CN104259089A (en) * | 2014-07-28 | 2015-01-07 | 闫红强 | Strip-type drum screening machine for household garbage |
| CN104289427A (en) * | 2014-09-29 | 2015-01-21 | 崇州市耘丰农机专业合作社 | Soil sieving device |
| CN105886773A (en) * | 2015-07-28 | 2016-08-24 | 兰溪市博远金属有限公司 | Aluminum ash and aluminum slag treatment system |
| CN105312218A (en) * | 2015-08-17 | 2016-02-10 | 太仓新东方生物科技养殖有限公司 | Tenebrio molitor screening device |
| CN105344583A (en) * | 2015-09-08 | 2016-02-24 | 宁国市南方耐磨材料有限公司 | Drum-type wear-resisting steel ball impurity removal device |
| CN105689253A (en) * | 2016-04-15 | 2016-06-22 | 中煤科工集团武汉设计研究院有限公司 | Coal slurry sieving equipment |
| CN106140609A (en) * | 2016-08-30 | 2016-11-23 | 河南威猛振动设备股份有限公司 | A kind of rotary screen that intersects |
| CN108838060A (en) * | 2018-08-06 | 2018-11-20 | 惠州市豪美氏智能电气有限公司 | A kind of grain is cracked rice screening machine |
| CN110508489A (en) * | 2019-09-05 | 2019-11-29 | 安徽花山街网络科技有限公司 | A kind of integral type drying tea leaves screening plant |
| CN114602786A (en) * | 2022-02-28 | 2022-06-10 | 江西睿达新能源科技有限公司 | Lithium battery negative electrode material screening device |
| CN117244654A (en) * | 2023-11-20 | 2023-12-19 | 长春中医药大学 | A kind of traditional Chinese medicine crushing abrasive device |
| CN117244654B (en) * | 2023-11-20 | 2024-02-02 | 长春中医药大学 | Traditional chinese medicine crushing abrasive device |
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Application publication date: 20121212 |