CN202700786U - Drum type sieving machine - Google Patents
Drum type sieving machine Download PDFInfo
- Publication number
- CN202700786U CN202700786U CN 201220448181 CN201220448181U CN202700786U CN 202700786 U CN202700786 U CN 202700786U CN 201220448181 CN201220448181 CN 201220448181 CN 201220448181 U CN201220448181 U CN 201220448181U CN 202700786 U CN202700786 U CN 202700786U
- Authority
- CN
- China
- Prior art keywords
- cylindrical shell
- drum
- screening
- sieving
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to a drum type sieving machine. Problems of large vibration and large maintenance workload of sieving equipment in the prior art are mainly solved. The drum type sieving machine is characterized in that track rings (4) are respectively welded at two ends of an inlet and an outlet of a cylindrical sieving drum body (5); the track rings (4) at two ends of the sieving drum body (5) are placed on carrier rollers (8); a plurality of sieve pores are formed in the middle of the sieving drum body (5); symmetrically placed spiral blades (9) in pairs are welded on the inner wall of the sieving drum body (5); a cross coal shifter (3) is welded in an open end of the sieving drum body (5); a big chain wheel (6) is fixedly welded on the internal side of the track ring (4) at the outlet end of the sieving drum body (5); an outlet collecting drum (11) is sleeved on the external side of the track ring (4) at the outlet end of the sieving drum body; and a middle collecting drum (10) is sleeved outside the middle part of the sieving drum body. The drum type sieving machine provided by the utility model has the advantages of stability in operation, small noise, high mechanical efficiency and small maintenance workload; and effective sealing can be achieved.
Description
Technical field
The utility model relates to the screening machine of the screening separation of industrial and mining enterprises' raw coal or other dried lump material, especially a kind of drum-type screening machine.
Background technology
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 and realizes to separate at the sieve plate that sieve aperture is arranged, after directly dropping down onto above the coal conveyer belt less than the coal cinder of sieve aperture, coal dust and granularity directly be transported to the coal bunker before the Boiler Furnace, granularity moves to the outlet of body back greater than the coal cinder of sieve aperture, enter disintegrating machine rear just can the dropping down onto above the coal conveyer belt that be broken, then be transported to the coal bunker before the Boiler Furnace.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, preferably imported bearing of quality is selected in requirement, 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 large; 2. on-site noise is large when moving, and vibration is large, and it is higher to require that the reinforced concrete structure underlying strength is installed, 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 the healthy of operating personnel 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 in the utility model is to overcome the problem that the screening plant vibration is large, maintenance workload is large that exists in the background technology, and provide a kind of drum-type screening machine, this drum-type screening machine operates steadily, noise is little, can realize effective sealing, mechanical efficiency is high, maintenance workload is little.
The invention for solving the technical problem can reach by following technical solution: this drum-type screening machine comprises cylindrical screening cylindrical shell, base, be provided with 4 two two symmetrically arranged idler pulley wheels on the base, described cylindrical screening cylindrical shell is imported and exported two ends and is welded with respectively orbit ring, 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 cylinder that is equipped with in screening cylindrical shell middle part; The rectangle outlet is arranged at intermediate collection cylinder, outlet surge drum bottom, and intermediate collection cylinder, 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 cylinder front/rear end, outlet surge drum end face are fixed with several sealing rings.
The utility model is compared with the above-mentioned background technology 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 inner 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 cylinder is flowed out, thereby realized separating of large granular materials and small particles material, detachable about intermediate collection cylinder, 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 littlely, and the 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 according to the load adjustment rotating speed, even therefore also can guarantee higher mechanical efficiency under lower rotating speed, can move reposefully.
Description of drawings:
Accompanying drawing 1 is main part structural representation of the present utility model;
Accompanying drawing 2 is external overall structural representations of the present utility model;
Accompanying drawing 3 is screening cylindrical shell cutaway views of the utility model welding spiral vane, coal poking device;
Accompanying drawing 4 is structural representations of the utility model intermediate collection cylinder;
Accompanying drawing 5 is structural representations of the utility model outlet 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 cylinder, 11-exports surge drum, 12-sealing ring, 13-position-limited wheel, 14-support.
The specific embodiment:
Below in conjunction with accompanying drawing will the utility model is described in further detail:
Accompanying drawing 1 is in conjunction with shown in Figure 2, this drum-type screening machine comprises base 1, be provided with 4 two two symmetrically arranged idler pulley wheels 8 on the base, cylindrical screening cylindrical shell 5 is imported and exported two ends and is welded with respectively orbit ring 4,4 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 with 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, 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 by 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 cylinder 10; Intermediate collection cylinder 10, outlet surge drum 11 cylinder side faces are closed, and the bottom has the rectangle outlet, and intermediate collection cylinder 10, outlet surge drum 11 bottoms place on the support, and support 14 is fixed on the base 1; Intermediate collection cylinder 10, the outlet surge drum 11 be about detachable structure, such as 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 tilting; Screening cylindrical shell entrance face, intermediate collection cylinder 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 forward play of cylindrical shell.Described drive unit 7 comprises variable-frequency motor, reductor, minor sprocket, and motor is contained on the reductor.Electric machine rotation drives minor sprocket after exporting by the reductor deceleration, and minor sprocket is by chain-driving hinge wheel 6 and 5 rotations of screening cylindrical shell.Described chain is the single bushroller chain of 32A.
This drum-type screening machine course of work is, dry material is through material inlet pipe 2 is entering 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 (from Way in), the spiral vane of inner barrel will promote large granular materials and export outflow to the outlet surge drum 11 bottom rectangles that Way out moves through the back, small particles material will spill from the sieve aperture on the cylindrical shell through the 10 bottom rectangles outlets of intermediate collection cylinder 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 CFBB to the granularity requirements of fire coal; Also can bore the hole of φ 45, center distance is 80mm in length and breadth, can satisfy the layer combustion stoves such as traveling-grate stoker to the granularity requirements of 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 processing R10 makes its wear extent to the idler pulley wheel minimum; The diameter of idler pulley wheel is φ 280mm, and the edge can prevent cylindrical shell front and back play with flange, and position-limited wheel plays the auxiliary forward play of cylindrical shell 5 that prevents from sieving.
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 enter very soon sifting barrel body inside.Inlet tube, intermediate collection cylinder, outlet surge drum adopt contact seal ring dustproof construction with the screening cylindrical shell, with hold-down ring sealing ring is fastened on respectively entrance face before cylindrical shell entrance face, intermediate collection cylinder front/rear end, the outlet surge drum, each seal point can add 2-3 sealing ring, and is dustproof reliable.Intermediate collection cylinder and outlet surge drum are designed to horizontal and split structure simultaneously, if because the raw coal water content is high to be blocked the screening hole when affecting screening effect, can remove its first half, the maintainer enters inner barrel and processes.
Driving mechanism can be selected the direct-connected motor of 11KW frequency conversion, can be according to the rotating speed of boiler fired coal load adjustment equipment; Reductor is selected cycloidal planetary gear speed reducer (model BWY33-35-15), adopts the single Roller Chain Drive 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 assemble outside framework oil seal at bearing gland, 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), be provided with 4 the two two symmetrical idler pulley wheels (8) of placing on the base (1), it is characterized in that: described cylindrical screening cylindrical shell (5) is imported and exported two ends and is welded with respectively orbit ring (4), 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 cylinder (10) that is equipped with in screening cylindrical shell (5) middle part; The rectangle outlet is arranged at intermediate collection cylinder (10), outlet surge drum (11) bottom, and intermediate collection cylinder (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 cylinder (10) front/rear end, outlet surge drum (11) end face are fixed with several sealing rings (12).
2. drum-type screening machine according to claim 1, it 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 cylinder (10), outlet surge drum (11) are detachable structure up and down, be respectively intermediate collection cylinder (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, it 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, it is characterized in that: described hinge wheel (6) is connected with drive unit (7) by chain.
6. drum-type screening machine according to claim 5, it 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 |
|---|---|---|---|
| CN 201220448181 CN202700786U (en) | 2012-09-05 | 2012-09-05 | Drum type sieving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448181 CN202700786U (en) | 2012-09-05 | 2012-09-05 | Drum type sieving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202700786U true CN202700786U (en) | 2013-01-30 |
Family
ID=47581126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220448181 Expired - Fee Related CN202700786U (en) | 2012-09-05 | 2012-09-05 | Drum type sieving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202700786U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814273A (en) * | 2012-09-05 | 2012-12-12 | 大庆中蓝石化有限公司 | Drum-type sieving machine |
| CN103495543A (en) * | 2013-10-11 | 2014-01-08 | 济南乐喜施肥料有限公司 | Screening plant of fertilizer coating machine |
| CN104324875A (en) * | 2014-10-21 | 2015-02-04 | 重庆市涵晨灵秀茶场 | Electric tea screening device |
| CN106163969A (en) * | 2014-01-21 | 2016-11-23 | 基伊埃牧场科技加拿大公司 | Cable actuated unit |
| CN112044729A (en) * | 2020-08-04 | 2020-12-08 | 王晓辉 | A make things convenient for belt cleaning device for tombarthite ore deposit |
-
2012
- 2012-09-05 CN CN 201220448181 patent/CN202700786U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814273A (en) * | 2012-09-05 | 2012-12-12 | 大庆中蓝石化有限公司 | Drum-type sieving machine |
| CN103495543A (en) * | 2013-10-11 | 2014-01-08 | 济南乐喜施肥料有限公司 | Screening plant of fertilizer coating machine |
| CN106163969A (en) * | 2014-01-21 | 2016-11-23 | 基伊埃牧场科技加拿大公司 | Cable actuated unit |
| CN104324875A (en) * | 2014-10-21 | 2015-02-04 | 重庆市涵晨灵秀茶场 | Electric tea screening device |
| CN104324875B (en) * | 2014-10-21 | 2016-08-17 | 湖南银杉机电制造有限公司 | A kind of electrodynamic type tea screening device |
| CN112044729A (en) * | 2020-08-04 | 2020-12-08 | 王晓辉 | A make things convenient for belt cleaning device for tombarthite ore deposit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102814273A (en) | Drum-type sieving machine | |
| CN202700786U (en) | Drum type sieving machine | |
| CN102962115B (en) | Vertical grinding mill | |
| TWI567297B (en) | Water wheel impeller blade type electric power generating apparatus | |
| CN102921624A (en) | Automatic screening machine for steel balls | |
| US20130082129A1 (en) | Transportable roller mill and transportable grinding installation | |
| CN204769555U (en) | Domestic waste sorting unit | |
| CN103111343A (en) | Overloading continuous crushing system | |
| CN107030046A (en) | A kind of mining machinery sand-washing device for being easy to feed | |
| CN110899103B (en) | Vibrating screening feeder | |
| CN102631982A (en) | Novel water-sorting system for household garbage | |
| CN101376120A (en) | Pipeline type permanent magnetism automatic de-ironing device | |
| KR102055449B1 (en) | Crusher for solid | |
| CN204511912U (en) | A kind of Double-impeller type proof submersible sand discharging pump | |
| CN101344262B (en) | Material warehouse discharging helical conveyor of biomass direct combustion power generation furnace | |
| CN213791923U (en) | High-efficient crushing and screening device for mining machinery | |
| CN211436982U (en) | Vibrating screening feeder | |
| CN110171667B (en) | Tooth cable conveyer capable of turning on plane | |
| CN201086031Y (en) | Pipeline type permanent magnet automatic magnetic separator | |
| CN211133743U (en) | Horizontal dangerous waste material agitating unit | |
| CN211026688U (en) | Broken screening installation of recycled aggregate for concrete production | |
| CN210064096U (en) | Movable garbage truck scraper device | |
| CN203917116U (en) | A kind of screening broken set apparatus for converting of Coal Transportation System | |
| RU2730076C2 (en) | Modular processing plant | |
| CN208485630U (en) | A kind of hollow turntable sieve plate extraction equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |