CN202410734U - Downhole coal gangue millerator - Google Patents
Downhole coal gangue millerator Download PDFInfo
- Publication number
- CN202410734U CN202410734U CN2011205465628U CN201120546562U CN202410734U CN 202410734 U CN202410734 U CN 202410734U CN 2011205465628 U CN2011205465628 U CN 2011205465628U CN 201120546562 U CN201120546562 U CN 201120546562U CN 202410734 U CN202410734 U CN 202410734U
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- axle
- coil assembly
- millerator
- coal
- multiple sets
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Abstract
A downhole coal gangue millerator comprises two transmission racks and two transmission devices. One of supporting spindles is respectively connected with the transmission devices, two ends of each of the supporting spindles are fixed on a box body through bearing seats, a plurality of groups of tooth roller ring components are mounted on each of the supporting spindles, each group of tooth roller ring components comprises four hydraulic cylinders and one of tooth roller rings, each four hydraulic cylinders are arranged in a cross-shaped, the bottom of each of the hydraulic cylinders is respectively hinged to the corresponding supporting spindles, piston rods are respectively hinged to the inner walls of the tooth roller rings, inversed V-shaped elastic rod screens are symmetrically disposed on the lower portion of the box body, one of gangue outlet guide grooves is respectively arranged on two sides of each of the inversed V-shaped elastic rod screens, and a coal outlet guide groove is mounted below the rear portion of the box body. By means of the downhole coal gangue millerator, a requirement of crushing materials into different particle sizes can be met, and the problem of a complicated transmission caused by movement of a central shaft when common roll crushers make way for rollers is avoided. Bulk gangues can be directly used for filling a gob, the transportation cost is reduced, the occupied land is saved, the environmental pollution is reduced, and the gangue transportation amount on the surface of a well and underground is reduced.
Description
Technical field
The utility model relates to a kind of down-hole bastard coal millerator, is particularly useful for the sorting of mine underground lump and spoil, also is applicable to the feed separation of two kinds of different breaking strengths.
Background technology
The coal that adopts at present mainly contains selection by winnowing, gamma ray sorting, rotates broken three kinds of weight selection with the method for separating that separates of gangue, wherein:
1) selection by winnowing gangue separator: utilize coal different, lean on the buoyancy separation of wind to produce coal and spoil, be applicable to the area that water resource is poor with spoil density.Its investment is big, and floor space is big, and dust-reclamiing mill is bigger, and treatment effect is undesirable, is not suitable for the down-hole and uses;
2) gamma ray gangue separator: adopt gamma rays identification coal and spoil; Produce the different signals of telecommunication according to gamma ray in that coal is different with attenuation in the spoil; Through the FEEDBACK CONTROL executing agency of the signal of telecommunication, change the movement locus of spoil, thereby the experiment bastard coal separates.Its system complex, sorting capability is little, and the radiation hidden danger of radioactive source often contains water or coal slime in the on-the-spot raw coal, and coal cinder spoil surface is covered by coal slime, causes the difficulty in the identification;
3) rotation weight millerator: be provided with the arc elastic bar screen of being made up of many elastic rods at its underframe, sieve bend is not established power set in addition, and the impulsive force through selecting broken coal afterwards and spoil is as the exciting force of sieve bend; Sieve bend top is provided with reaction type quartering hammer group and counterpunch board, and the rotation through power transmission shaft drives quartering hammer and rotates and impact material, the impact type fragmentation that material and counterpunch board is bumped against realize material.The cardan-shaft suspension of quartering hammer is in the bearing block of housing, and this power transmission shaft links to each other with the fire-proof motor that is located at the underframe other end through the transmission of V band; The sieve bend afterbody is provided with a rotary poking device, and the power transmission shaft of poking device (dialling the material wheel) also is bearing in the bearing block of housing, links to each other with the fire-proof motor that is located at the underframe other end through the transmission of V band.
Summary of the invention
Technical problem: the purpose of the utility model is the weak point that overcomes in the prior art, provide a kind of simple in structure, volume is little, the down-hole bastard coal millerator of easy accessibility.
Technical scheme: the down-hole bastard coal millerator of the utility model; Comprise symmetrically arranged two transmission frames, be located at two transmission devices on two transmission frames respectively; Described two transmission devices are connected with two through shaft coupling respectively and support axle; Two two ends of supporting axle are fixed on through bearing block on the casing that is positioned at two transmission frame rear portions, and each supports on the axle and is equipped with multiple sets of teeth roller coil assembly, and every group of discaling roll coil assembly comprises four hydraulic cylinders and a discaling roll circle; Four hydraulic cylinders are cross to be arranged, and the cylinder bottom of hydraulic cylinder is hinged on the support axle respectively, piston rod is hinged on respectively on the inwall of discaling roll circle; Being located at multiple sets of teeth roller coil assembly and another spacing distance that supports between the multiple sets of teeth roller coil assembly on the axle that supports on the axle is a; The bottom of casing is arranged with the herringbone elastic bar screen; The both sides of herringbone elastic bar screen are respectively equipped with the left and right cash guide groove that goes out, and the lower rear of casing is provided with the guide groove that produces coal.
Said being located between the multiple sets of teeth roller coil assembly on multiple sets of teeth roller coil assembly and another support axle that supports on the axle is 20～80mm apart from a; Be respectively equipped with the material collecting tank that is positioned at discaling roll circle below before and after the described lower box on the side plate; Said each multiple sets of teeth roller coil assembly that supports on axle is 3～8 groups, and the width of discaling roll circle is 50 ~ 100mm in every group of discaling roll coil assembly.
Beneficial effect: the bastard coal underground separation is an indispensable link in the Coal Production process, particularly stresses to carry out green environment production at present, realizes that it is particularly important that this production link seems under the prerequisite of sustainable development.The utility model adopts multiple sets of teeth roller circle group pair roller, not only satisfies the requirement of broken different material granularity, and central shaft moves and the problems such as transmission complicacy brought in the time of avoiding general double-roll crusher by roller again.To directly carry out coal greater than the bulk bastard coal of a mm and not go out well with making the bulk spoil separating of gangue in the down-hole; Can directly be used for the filling in goaf; Not only reduce freight, saving ground land seizure, prevent expenses such as surface subsidence, saving environmental improvement; Minimizing is to the pollution of environment, and save under the waste shaft, aboveground freight volume.Its equipment is simple, compact, size is little, modular structure, and easy accessibility, good separating effect has practicality widely.
Description of drawings
Fig. 1 is the structural front view of the utility model;
Fig. 2 is the structure vertical view of the utility model;
Fig. 3 is the structural front view of the utility model;
Fig. 4 is the structure vertical view of the utility model;
Fig. 5 is the structure side view of the utility model.
Among the figure: 1-transmission frame, the 2-fire-proof motor, the 3-decelerator, 4-discaling roll circle, the 5-hydraulic cylinder, 6-herringbone elastic bar screen, a 7-left side goes out the cash guide groove, and the 8-right side goes out the cash guide groove, and 9-supports axle, and 10, the 11-bearing block, 12-casing, the 13-guide groove that produces coal, 14-material collecting tank.
The specific embodiment
Below in conjunction with the embodiment in the accompanying drawing the utility model is done further to describe:
The down-hole bastard coal millerator of the utility model mainly is made up of transmission device, transmission frame 1, support axle 9, multiple sets of teeth roller coil assembly, casing 12; About transmission frame 1 is divided into two, be symmetricly set on the front portion of casing 12, about be respectively equipped with a transmission device on two transmission frames 1; Transmission device comprises flame-proof electric motor 2, motor shaft coupling, three grades of tapered cylindrical decelerators 3, input shaft coupling; Wherein: flame-proof electric motor 2 is installed on the transmission frame 1; Flame-proof electric motor 2, is given transmission of power through the input shaft coupling and is supported axle 9 transmission of power to three grade tapered cylindrical decelerator 3 through the motor shaft coupling; About two transmission devices be connected with two through shaft coupling respectively and support axles 9; Two two ends of supporting axle 9 are fixed on the casing 12 that is positioned at two transmission frame 1 rear portions through left and right bearing block 10,11, link to each other with three grades of tapered cylindrical decelerators 3 that are located at transmission frame 1 through the input shaft coupling; Three grades of tapered cylindrical decelerators 3 link to each other with fire-proof motor 2 through the motor shaft coupling; Each supports on the axle 9 and is equipped with multiple sets of teeth roller coil assembly; Each multiple sets of teeth roller coil assembly that supports on the axle 9 is 3～8 groups;, every group of discaling roll coil assembly comprises four hydraulic cylinders 5 and a discaling roll circle 4, the width of discaling roll circle 4 is 50 ~ 100mm; Four hydraulic cylinders 5 are cross to be arranged, and the cylinder bottom of hydraulic cylinder 5 is hinged on the support axle 9 respectively, piston rod is hinged on respectively on the inwall of discaling roll circle 4; Being located at multiple sets of teeth roller coil assembly and another a spacing distance a who supports between the multiple sets of teeth roller coil assembly on the axle 9 that supports on the axle 9 is 20mm～80mm; The bottom of casing 12 is arranged with herringbone elastic bar screen 6; Herringbone elastic bar screen 6 is positioned at the below of multiple sets of teeth roller coil assembly; Herringbone elastic bar screen 6 is made up of many elastic rods; Do not establish power set in addition, the impulsive force through selecting broken back coal and spoil is as the exciting force of herringbone elastic bar screen 6; The both sides of herringbone elastic bar screen 6 are respectively equipped with the left and right cash guide groove 7,8 that goes out, and the lower rear of casing 12 is provided with the guide groove 13 that produces coal that is positioned at herringbone elastic bar screen 6 belows, are respectively equipped with the material collecting tank 14 that is positioned at discaling roll circle 4 belows on the side plate before and after casing 12 bottoms.
The operation principle and the course of work: fire-proof motor 2 transmits two support axles 9 about drive respectively through the power of transmission device, and 3～8 groups of discaling roll coil assembly pair rollers are rotated, and realizes the squash type fragmentation of material.Spacing distance a between the discaling roll coil assembly of the left and right sides is 20mm～80mm, and is identical with this with the value of a hereinafter.During the coal cinder access arrangement, granularity falls on the herringbone elastic bar screen through the gap between the pair roller less than the coal cinder of a mm; Granularity is passed through the pair roller attrition crushing greater than the coal cinder of a mm, makes its granularity less than a mm, drops on the herringbone elastic bar screen again.Slot size on the herringbone elastic bar screen is a
2Mm
2, along with the vibration of herringbone elastic bar screen, coal cinder drops to the guide groove 13 that produces coal.During the spoil access arrangement, granularity falls on the herringbone elastic bar screen through the gap between the pair roller less than the spoil of a mm, sneaks in the coal; Granularity is greater than the spoil of a mm; Because the compression strength of spoil can not be broken greater than coal cinder, the hydraulic cylinder overflow retraction of hydraulic pressure pair roller workspace strengthens the distance between two pair rollers; Let spoil leak down, afterwards because the pressure of hydraulic cylinder makes pair roller get back to former operating position.Spoil drops on the herringbone elastic bar screen, and spoil left and rightly goes out cash guide groove 7,8 along what the gradient of herringbone elastic bar screen slided to both sides.When the bastard coal mixed material gets into seperator; Granularity is directly leaked down less than the material of a mm, and by the extruding of hydraulic pressure roller, the pressure of hydraulic pressure roller can only broken coal and can not broken spoil greater than the material of a mm; The hydraulic cylinder of crush zone retraction in the hydraulic pressure roller; The remaining fluid cylinder pressure extends and changes the support direction through articulated joint, the distance between two rollers is increased, thereby let spoil leak down; After spoil leaked down, the origin-location was got back in the elongation of the hydraulic cylinder of crush zone, and the remaining fluid cylinder pressure shortens and gets back to former support direction through articulated joint; The whereabouts potential energy of the bastard coal that pushed provides screening required exciting force for the herringbone elastic bar screen, because the hardness of coal is little, the granularity I of hydraulic pressure roller after with the coal fragmentation sees through screen cloth, gets into the guide groove 13 that produces coal; Spoil hardness is big, and the hydraulic pressure roller can not be broken with spoil, and the spoil that granularity is big is stayed on the compass screen surface, and slides to out the cash guide groove along the gradient of compass screen surface, and the spoil that granularity is little sees through screen cloth and sneaks in the coal, gets into the guide groove 13 that produces coal.
Claims (1)
1. down-hole bastard coal millerator; Comprise symmetrically arranged two transmission frames (1), be located at two transmission devices on two transmission frames (1) respectively; It is characterized in that: described two transmission devices are connected with two through shaft coupling respectively and support axle (9); Two two ends of supporting axle (9) are fixed on the casing (12) that is positioned at two transmission frames (1) rear portion through bearing block; Each supports on the axle (9) and is equipped with multiple sets of teeth roller coil assembly; Every group of discaling roll coil assembly comprises four hydraulic cylinders (5) and a discaling roll circle (4), and four hydraulic cylinders (5) are cross to be arranged, and the cylinder bottom of hydraulic cylinder (5) is hinged on the support axle (9) respectively, piston rod is hinged on respectively on the inwall of discaling roll circle (4); Being located at multiple sets of teeth roller coil assembly and another spacing distance that supports between the multiple sets of teeth roller coil assembly on the axle (9) that supports on the axle (9) is a; The bottom of casing (12) is arranged with herringbone elastic bar screen (6); The both sides of herringbone elastic bar screen (6) are respectively equipped with the left and right cash guide groove (7,8) that goes out, and the lower rear of casing (12) is provided with the guide groove that produces coal (13).
2. down-hole according to claim 1 bastard coal millerator is characterized in that: said being located between the multiple sets of teeth roller coil assembly on multiple sets of teeth roller coil assembly and another support axle (9) that supports on the axle (9) is 20～80mm apart from a.
3. down-hole according to claim 1 bastard coal millerator is characterized in that: be respectively equipped with the material collecting tank (14) that is positioned at discaling roll circle (4) below before and after described casing (12) bottom on the side plate.
4. down-hole according to claim 1 bastard coal millerator is characterized in that: said each multiple sets of teeth roller coil assembly that supports on axle (9) is 3～8 groups, and the width of discaling roll circle (4) is 50 ~ 100mm in every group of discaling roll coil assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205465628U CN202410734U (en) | 2011-12-23 | 2011-12-23 | Downhole coal gangue millerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205465628U CN202410734U (en) | 2011-12-23 | 2011-12-23 | Downhole coal gangue millerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202410734U true CN202410734U (en) | 2012-09-05 |
Family
ID=46735532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205465628U Expired - Fee Related CN202410734U (en) | 2011-12-23 | 2011-12-23 | Downhole coal gangue millerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202410734U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441460A (en) * | 2011-12-23 | 2012-05-09 | 中国矿业大学 | Underground coal-gangue crushing/separating machine |
| CN111905906A (en) * | 2020-07-29 | 2020-11-10 | 中国石油化工股份有限公司 | Centrifugal separation and mechanical crushing type coal dust cleaning system and working method thereof |
| CN112403909A (en) * | 2020-11-23 | 2021-02-26 | 江苏师范大学 | Hydraulic type sectional roller coal and gangue separator and separation method |
-
2011
- 2011-12-23 CN CN2011205465628U patent/CN202410734U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441460A (en) * | 2011-12-23 | 2012-05-09 | 中国矿业大学 | Underground coal-gangue crushing/separating machine |
| CN111905906A (en) * | 2020-07-29 | 2020-11-10 | 中国石油化工股份有限公司 | Centrifugal separation and mechanical crushing type coal dust cleaning system and working method thereof |
| CN111905906B (en) * | 2020-07-29 | 2021-07-06 | 中国石油化工股份有限公司 | Centrifugal separation and mechanical crushing type coal dust cleaning system and working method thereof |
| CN112403909A (en) * | 2020-11-23 | 2021-02-26 | 江苏师范大学 | Hydraulic type sectional roller coal and gangue separator and separation method |
| CN112403909B (en) * | 2020-11-23 | 2023-06-30 | 江苏师范大学 | Hydraulic sectional roller coal gangue separator and separation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20131223 |