CN104001582B - Screening, cloth, crushing all-in-one machine - Google Patents
Screening, cloth, crushing all-in-one machine Download PDFInfo
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- CN104001582B CN104001582B CN201410271145.5A CN201410271145A CN104001582B CN 104001582 B CN104001582 B CN 104001582B CN 201410271145 A CN201410271145 A CN 201410271145A CN 104001582 B CN104001582 B CN 104001582B
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Abstract
nullThe invention discloses a kind of screening、Cloth、Crushing all-in-one machine，Including housing (3)、It is positioned at the screening distributor (4) at housing (3) top and is positioned at the discharging opening (9) of housing (3) bottom，Wherein，Between screening distributor (4) and discharging opening (9), the breaker driven by power set is set，This breaker is four discaling roll structures，Including for the one-level double teeth roller structure of coarse crushing be positioned at below one-level double teeth roller structure、And for two grades of double teeth roller structures in small, broken bits，All-in-one collection sieves、Cloth、Crush，Floor space is little，Operating cost is low，Trouble point is few，It is little that it has work airborne dust，Can the material of bonding on cleaning work roller automatically，The leeway of feed inlet and outlet is greatly reduced，Thus material will not produce airborne dust during crushing work，Energy-conserving and environment-protective，Even if the water content of material is big，Also will not be bonded on discaling roll，More do not result in the blocking of discaling roll and stuck.
Description
Technical field
The invention belongs to crushing mechanism field, particularly relate to a kind of four rod-toothed crushers, this disintegrating machine is widely portable to
Thermal power generation or coalification industrial circle, be particularly suited for the industrial circle using circulating fluidized bed boiler as fuel-device.
Background technology
Fluidized Bed Boiler, from the sixties in last century, uses at China's part power equipment, successively owing to it has applicable
Coal extensively, mechanization and the advantage such as automaticity is higher, environmental pollution is little, therefore, be generalized to rapidly thermal power generation,
The industrial circles such as Coal Chemical Industry.
According to circulating fluidized bed boiler coal property, the material being best suitable for boiler combustion is coal grain rather than coal dust, this
Just require that the material entering in circulating fluidized bed boiler needs to control in certain particle size range, i.e. to prevent thinner powder from entering
Enter.Current way is to be equipped with screening plant and apparatus for distributing in the front end of disintegrating machine, and the former is for by the bulky grain thing in material
Material sieves with fine granular materials, it is to avoid fine granular materials or powder enter disintegrating machine, avoids crossing of material to pulverize as far as possible, after
Person is to carry out uniform by material, it is to avoid the broken parts inordinate wear such as the tooth plate of disintegrating machine, prevents the uniformity of discharging-material size to be subject to
To harmful effect, to ensure that discharging-material size meets the combustion requirements of Fluidized Bed Boiler.
By current technology, before this screening plant, apparatus for distributing and disintegrating machine are installed along with the charging aperture of Fluidized Bed Boiler
End, provides readymade coal grain for Fluidized Bed Boiler, and its structure is: screening plant, apparatus for distributing and disintegrating machine all each account for one
Floor, therefore, whole broken link is accomplished by least three floor, and its floor space is very big, and civil engineering puts into higher, broken stream
Journey is complex；Further, screening plant, apparatus for distributing and disintegrating machine are relatively independent, and whole broken work equipment needed thereby quantity is relatively
Many, not only production cost is high and maintenance cost is higher, and trouble point is more, is unfavorable for that produce is smoothed out；Further
It is that operationally, the airborne dust that whole crusher chamber and charging aperture produce is very big, if the water content of material is higher for above-mentioned disintegrating machine
Words, also can be bonded on broken working roll, and when the most easily causing working roll to run, resistance is relatively greatly, and easily block and even block
Extremely, after its work a period of time, manually working roll is cleared up after needing to shut down, greatly reduce work efficiency.
Summary of the invention
For above-mentioned deficiency, the present invention provides a kind of and integrates screening, cloth and broken all-in-one, and this all-in-one accounts for
Ground area is little, and operating cost is low, and trouble point is few, and can effectively realize the screening of material, cloth and the integration of broken three process
Producing, it is little that it has work airborne dust, the material that can automatically bond on cleaning work roller, is particularly suitable for mounting Fluidized Bed Boiler
Front end, can effectively prevent crossing of material from pulverizing, it is to avoid superfine-material enters Fluidized Bed Boiler.
The present invention is realized by such technical scheme: a kind of screening, cloth, crushing all-in-one machine, including shell
Body, it is positioned at the screening distributor of case top and is positioned at the discharging opening of housing bottom, wherein, between screening distributor and discharging opening
Arranging the breaker driven by power set, described breaker is four discaling roll structures, including the one-level double teeth roller for coarse crushing
Structure and being positioned at below one-level double teeth roller structure and for two grades of double teeth roller structures in small, broken bits, i.e. whole all-in-one is two drivings
Four drive mechanisms, occupation area of equipment to be greatly reduced and production cost.
Further, described one-level double teeth roller structure includes before one-level arranged in parallel discaling roll after discaling roll and one-level,
Described two grades of double teeth roller structures include before arranged in parallel two grade discaling roll after discaling roll and two grades, and two grades of double teeth roller structures are positioned at
The underface of one-level double teeth roller structure, after material first passes through the coarse crushing of one-level double teeth roller structure, vertical drop to two grade double teeth roller is tied
Structure carries out in small, broken bits.
As the improvement of such scheme, before described one-level, after discaling roll and one-level, wherein one end of discaling roll respectively arranges No. IV skin
Belt wheel, No. IV belt pulley of the two is positioned at before one-level the direction, contrary termination of discaling roll after discaling roll and one-level；Before described two grades discaling roll and
After two grades, the two ends of discaling roll are respectively provided with No. II belt pulley and No. III belt pulley, wherein, No. II belt pulley and one
No. III belt pulley is positioned at the direction, same termination of discaling roll after discaling roll before two grades and two grades.
As the improvement of such scheme, described power set are divided into two groups, the left and right being positioned at two grades of double teeth roller structure both sides, often
Group all includes a motor and No. I belt pulley, and wherein, No. I belt pulley of homonymy passes through No. I belt and No. II belt pulley
Connecting, No. III belt pulley of homonymy is connected by No. II belt and No. IV belt pulley.
As the improvement of such scheme, the diameter of described No. I belt pulley, No. III belt pulley and No. IV belt pulley is consistent, this
The diameter of the diameter of three and No. II belt pulley is inconsistent, and the diameter of former three and No. II belt pulley is than being preferably both set to 1:
3, so can automatically remove on double teeth roller may the material of bonding, viscous do not block up, and can the eddy current that produces of automotive resistance discaling roll,
Thus the import and export leeway of disintegrating machine can be made to be preferably minimized, during disintegrating machine work, import and export substantially without there being airborne dust.
As the improvement of such scheme, before described one-level, before discaling roll and two grades, discaling roll is all arranged on housing by fixed bearing block
On；After described one-level, after discaling roll and two grades, discaling roll is all arranged on housing by the floating bearing bracket that can seesaw.
As the improvement of such scheme, between described fixed bearing block and floating bearing bracket, it is respectively provided with yielding device.
As the improvement of such scheme, described screening distributor includes the reducing motor being connected by shaft coupling with rotor, its
In, two ends of rotor is arranged on housing by logical lid bearing block and boring cover bearing block support, and on rotor, the fixing sieve plate that connects, adjacent
Gap between sieve plate is split into sieve aperture.
As the improvement of such scheme, described rotor is divided into many groups, and often group structure is identical, disposed at equal distance arranged side by side, and from
Above downstairs formula setting, forms nature angle of declination.
As the improvement of such scheme, between described screening distributor and one-level double teeth roller structure, material guide device is set.
The screening of present invention offer, cloth, crushing all-in-one machine integrate screening, cloth, crush, and floor space is little,
Operating cost is low, and trouble point is few, and can effectively realize the screening of material, cloth and broken three process integration production, its tool
Have work airborne dust little, can the material of bonding on cleaning work roller automatically, be particularly suitable for mounting the front end of Fluidized Bed Boiler, can have
Effect prevents crossing of material from pulverizing, it is to avoid superfine-material enters Fluidized Bed Boiler；Further, the eddy current that all discaling rolls produce is the most substantially
Can cancel out each other, the leeway of whole all-in-one feed inlet and outlet is greatly reduced, thus material will not produce during crushing work
Airborne dust, energy-conserving and environment-protective, and, the differential motion of discaling roll achieves one-level double teeth roller structure and two grades of double teeth rollers in shattering process
The automatic cleaning of structure, even if the water content of material is big, also will not be bonded on discaling roll, more not result in blocking and the card of discaling roll
Extremely, it can reduce the resistance of motion and the frictional force of discaling roll automatically, further up to energy-conservation purpose, it is also possible to protection motor etc. sets
Standby, in use without carrying out labor cleaning, work efficiency is high.
Accompanying drawing explanation
Fig. 1 is the appearance assumption diagram of screening, cloth, crushing all-in-one machine described in this case.
Fig. 2 is the connection figure of frame, motor and No. I belt pulley.
Fig. 3 is the structural representation of one-level double teeth roller structure.
Fig. 4 is the structural representation of two grades of double teeth roller structures.
Fig. 5 is the structural representation of screening distributor.
Fig. 6 is power transmission arrangment figure.
Fig. 7 is the internal structure sketch of this case all-in-one.
In Fig. 1 to Fig. 7, parts are labeled as: 1 be motor, 2 be No. I belt, 3 be housing, 4 for green ball screening and distribution
Device, 5 be No. II belt, 6 for material guide device, 7 for crusher chamber, 8 for bypass chamber, 9 for discharging opening, 10 for motor rack, 11
Be No. I belt pulley, 12 be discaling roll before one-level, 13 be fixed bearing block, 14 be yielding device, 15 be No. IV belt pulley, 16
For floating bearing bracket, 17 be discaling roll after one-level, 18 be two grades before discaling roll, 19 be No. II belt pulley, 20 be No. III belt pulley,
21 be two grades after discaling roll, 22 be reducing motor, 23 be shaft coupling, 24 be logical lid bearing block, 25 be rotor, 26 be boring cover
Bearing block, 27 be sieve plate, 28 for sieve aperture.
Detailed description of the invention
In order to be more clearly understood from the purpose of the present invention, technical scheme and beneficial effect, below in conjunction with the accompanying drawings to the present invention
It is described further, but protection scope of the present invention is not limited in the examples below.
As shown in Figures 1 to 7.
Embodiment one:
A kind of screening, cloth, crushing all-in-one machine, the screening distributor 4 including housing 3, being positioned at housing 3 top and be positioned at housing 3
The discharging opening 9 of bottom, wherein, arranges the breaker driven by power set, institute between screening distributor 4 and discharging opening 9
Stating breaker is four discaling roll structures, including for the one-level double teeth roller structure of coarse crushing and be positioned at below one-level double teeth roller structure and
For two grades of double teeth roller structures in small, broken bits, i.e. whole all-in-one is two driving four drive mechanisms, collect screening, cloth and be broken for
All over the body, can greatly reduce floor space, save production cost, wherein, breaker is positioned at the bottom of housing 3, green ball screening and distribution
Device 4 is positioned at the top of housing 3.
Further, discaling roll after discaling roll 12 and one-level before described one-level double teeth roller structure includes one-level arranged in parallel
17, described two grades of double teeth roller structures include before arranged in parallel two grade discaling roll 21 after discaling roll 18 and two grades, and two grades of bidentates
Roll structure is positioned at the underface of one-level double teeth roller structure, and material, after one-level double teeth roller structure coarse crushing, directly drops to two grades pairs
Discaling roll structure, carries out a thin step in small, broken bits, it is achieved double crushing.
Further, before described one-level, after discaling roll 12 and one-level, wherein one end of discaling roll 17 respectively arranges No. IV belt
Wheel 15, No. IV belt pulley 15 of the two is positioned at before one-level the direction, contrary termination of discaling roll 17 after discaling roll 12 and one-level；Described two
Before level, after discaling roll 18 and two grades, the two ends of discaling roll 21 are respectively provided with No. II belt pulley 19 and No. III belt pulley 20, its
In, No. II belt pulley 19 and No. III belt pulley 20 are positioned at same one end of discaling roll 21 after discaling roll 18 before two grades and two grades
Head direction；Power set are divided into two groups, the left and right being positioned at two grades of double teeth roller structure both sides, and two groups of structures are identical, often organize and all include one
Individual motor 1 and No. I belt pulley 11, motor 1 can be positioned below a motor rack 10, be used for fixedly mounting motor
1, No. I belt pulley 11 is fixedly mounted on motor 1, and wherein, No. I belt pulley 11 of homonymy is by No. I belt 2 and II
Number belt pulley 19 connects, and No. III belt pulley 20 of homonymy is connected with No. IV belt pulley 15 by No. II belt 5, and each group is respective
Drive one group of double teeth roller to rotate, thus can i.e. can reach, only with two motors 1, the mesh driving the motion of two-stage double teeth roller
, it is to avoid the repeating of equipment is arranged and cost is wasted；Further, 11, No. III belt pulley 20 of No. I belt pulley and No. IV belt
The diameter ratio of the diameter and No. II belt pulley 19 of taking turns 15 threes is 1:3, when motor 1 rotating speed is consistent, and discaling roll before two grades
18 and two grades after the rotating speed of discaling roll 21 inconsistent, therefore, be delivered to before one-level after discaling roll 12 and one-level the speed of discaling roll 17 also
Inconsistent, it is achieved the linear velocity of each discaling roll also differs, owing to after discaling roll 12 and one-level before one-level, turning to of discaling roll 17 is
Inwards rotate, before two grades discaling roll 18 with two grades after the turning to also to be and inwards rotate of discaling roll 21.
The drive line being positioned at the drive of the power set on the left of two grades of double teeth roller structures above-mentioned double teeth roller structure rotation is: motor 1
Discaling roll 20 → No. II belts of 18 → No. III belt pulleys before → No. I belt pulley 2 → No. II belt pulleys of 11 → No. I belts 19 → bis-grades
Discaling roll 12 before 5 → one-level.
The drive line being positioned at the drive of the power set on the right side of two grades of double teeth roller structures above-mentioned double teeth roller structure rotation is: motor 1
Discaling roll 20 → No. II belts of 21 → No. III belt pulleys after → No. I belt pulley 2 → No. II belt pulleys of 11 → No. I belts 19 → bis-grades
Discaling roll 17 after 5 → one-level.
Therefore, the eddy current that all discaling rolls produce the most substantially can be cancelled out each other, the blast of whole all-in-one feed inlet and outlet 9
Difference is greatly reduced, thus will not produce airborne dust in work process, energy-conserving and environment-protective, and, the differential motion of discaling roll is in shattering process
In achieve the automatic cleaning of one-level double teeth roller structure and two grades of double teeth roller structures, even if the water content of material is big, also will not bond
On discaling roll, more not resulting in the blocking of discaling roll and stuck, it can reduce the resistance of motion and the frictional force of discaling roll automatically, further
Reach energy-conservation purpose, it is also possible to protection motor 1 equipment such as grade, in use without carrying out labor cleaning, work efficiency pole
High.
Embodiment two:
Refer to Fig. 3 and Fig. 4, the scheme of embodiment 1 is made certain improvement, particularly as follows: discaling roll before discaling roll 12 and two grades before one-level
18 are all arranged on housing 3 by fixed bearing block 13；After described one-level after discaling roll 17 and two grades discaling roll 21 all by can before
The floating bearing bracket 16 of rear motion is arranged on housing 3, arranges yielding dress between fixed bearing block 13 and floating bearing bracket 16
Putting 14, yielding device 14 is as a kind of protection structure to discaling roll, when in material containing bigger harder material, floating bearing
Seat 16 drives discaling roll 17 after one-level under the effect of yielding device 14 or/and discaling roll 21 steps back motion after two grades, thus strengthens
Before one-level, spacing between discaling roll 17 after discaling roll 12 and one-level, makes bigger or harder material pass through, is not result in one-level
Double teeth roller structure is stuck and causes shutdown, also will not damage equipment.
Embodiment three:
Referring to Fig. 5 to Fig. 7, further, described screening distributor 4 includes the deceleration being connected by shaft coupling 23 with rotor 25
Motor 22, wherein, rotor 25 two ends are supported by logical lid bearing block 24 and boring cover bearing block 26 and are arranged on housing 3, turn
Fixing connection sieve plate 27 on son 25, the gap between adjacent sieve plate 27 is split into sieve aperture 28；Rotor 25 is divided into many groups, often organizes knot
Structure is identical, disposed at equal distance arranged side by side, and staged is arranged from top to bottom, forms nature angle of declination；Thus material can be made at rotor
It is accelerated forwardly rolling under the rotational component of 25 and the common effect of material self gravitation and falls, screening and cloth are better achieved
Material；Between screening distributor 4 and one-level double teeth roller structure, material guide device 6 is set, by screening distributor 4 and disintegrating machine changeover portion
Bigger material import crusher chamber 7 and crush, relatively fine material then enters bypass chamber by the sieve aperture 28 between sieve plate 27
8 flow away, and no longer crush, and therefore, effectively prevent the mistake crushing phenomenon of tiny material, more alleviate the merit of disintegrating machine
Consumption, has saved cost.
During work, start the motor 1 of the left and right sides, No. I belt on the left of the power drive of motor 1 output in left side simultaneously
Wheel 11 rotation, then No. II belt pulley 19 in left side is imparted power to by No. I belt 2 in left side, thus before driving two grades
Discaling roll 18 and right side III belt pulley 20 rotate, and, No. II belt 5 on right side transfers power to No. IV belt on right side
Wheel 15, thus before driving one-level, discaling roll 12 rotates；In like manner, No. I belt on the right side of the power drive of motor 1 output on right side
Wheel 11 rotation, then No. II belt pulley 19 on right side is passed to by No. I belt 2 on right side, thus discaling roll 21 after driving two grades
Rotate with No. III belt pulley 20 in left side, then left side III belt pulley 20 and No. II belt 5 by rotating transfers power to
No. IV belt pulley 15 in left side, thus after driving one-level, discaling roll 17 rotates, disintegrating machine enters Light Condition；Discaling roll before one-level
12, after one-level before discaling roll 17 and two grades after discaling roll 18, two grades the rotation direction of discaling roll 21 as shown in Fig. 7 block arrow.
Now, starting the reducing motor 22 of screening distributor 4, reducing motor 22 rotor driven 25 rotates forward, rotates
Rotor 25 produce a rotational component forward, from material trend such as Fig. 7 in a device of screening distributor 4 front end
In thin arrow shown in, material is trickled down on rotor 25, under the common effect of this rotational component and material self gravitation, thing
Material rolls forward and falls, and bigger material arrives rotor 25 afterbody and naturally falls, or falls on the left of material guide device 6 on inclined-plane
Natural landing enters crusher chamber 7, and less material sieve aperture 28 between sieve plate 27 in roll procedure is discharged, and drops to bypass
Chamber 8, or the natural landing on inclined-plane that falls on the right side of material guide device 6 enters bypass chamber 8, does not enter back into disintegrating machine and crushes, thus
Effectively prevent crossing of material from pulverizing；In this screening process, material rotates with rotor 25, is uniformly distributed and the total length of rotor 25
On, finally fall to before one-level after discaling roll 12, one-level in discaling roll 17 length range, after one-level double teeth roller structure coarse crushing,
Carry out in small, broken bits before falling to two grades of two grades of double teeth roller structures after discaling roll 18 and two grades between discaling roll 21, before two grades discaling roll 18 with
After two grades, the gap of discaling roll 21 can adjust as required, and the material after crushing is discharged from bottom discharging opening 9, thus realizes whole
Screening, cloth, broken three grades of operation one machines complete.
Illustrated above be only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention spirit and
Any amendment, equivalent and improvement within principle, should be included within the scope of the present invention.
Claims (6)
1. screening, cloth, a crushing all-in-one machine, including housing (3), the screening distributor (4) that is positioned at housing (3) top
Discharging opening (9) with being positioned at bottom housing (3), wherein, is arranged by moving between screening distributor (4) and discharging opening (9)
The breaker that power apparatus drives, it is characterised in that: described breaker is four discaling roll structures, double including the one-level for coarse crushing
Discaling roll structure and being positioned at below one-level double teeth roller structure and for two grades of double teeth roller structures in small, broken bits；
Described one-level double teeth roller structure includes before one-level arranged in parallel discaling roll (17) after discaling roll (12) and one-level, described two grades
Double teeth roller structure includes before arranged in parallel two grade discaling roll (21) after discaling roll (18) and two grades, and two grades of double teeth roller structures
It is positioned at the underface of one-level double teeth roller structure；Before described one-level, after discaling roll (12) and one-level, wherein one end of discaling roll (17) respectively sets
Putting one No. IV belt pulley (15), No. IV belt pulley (15) of the two is positioned at before one-level discaling roll after discaling roll (12) and one-level
(17) direction, contrary termination；Before described two grades, after discaling roll (18) and two grades, the two ends of discaling roll (21) are respectively provided with one No. II
Belt pulley (19) and one No. III belt pulley (20), wherein, one No. II belt pulley (19) and No. III belt pulley
(20) direction, same termination of discaling roll (21) after discaling roll (18) before two grades and two grades it is positioned at；Described power set are divided into and being positioned at
Two groups, the left and right of two grades of double teeth roller structure both sides, often organizes and all includes a motor (1) and one No. I belt pulley (11), wherein,
No. I belt pulley (11) of homonymy is connected with No. II belt pulley (19) by No. I belt (2), No. III belt pulley of homonymy
(20) it is connected with No. IV belt pulley (15) by No. II belt (5)；
The drive line being positioned at the drive of the power set on the left of two grades of double teeth roller structures above-mentioned double teeth roller structure rotation is: motor (1) →
Discaling roll (18) → No. III belt pulley before No. I belt pulley (11) → No. I belt (2) → No. II belt pulley (19) → bis-grade
(20) discaling roll (12) before → No. II belt (5) → one-level；
The drive line being positioned at the drive of the power set on the right side of two grades of double teeth roller structures above-mentioned double teeth roller structure rotation is: motor (1) →
Discaling roll (21) → No. III belt pulley after No. I belt pulley (11) → No. I belt (2) → No. II belt pulley (19) → bis-grade
(20) discaling roll (17) after → No. II belt (5) → one-level；
Described No. I belt pulley (11), No. III belt pulley (20) and the diameter of No. IV belt pulley (15) three and No. II belt pulley
(19) diameter ratio is 1:3.
Screening, cloth, crushing all-in-one machine the most as claimed in claim 1, it is characterised in that: before described one-level discaling roll (12) and
Before two grades, discaling roll (18) is all arranged on housing (3) by fixed bearing block (13)；After described one-level discaling roll (17) and
After two grades, discaling roll (21) is all arranged on housing (3) by the floating bearing bracket (16) that can seesaw.
Screening, cloth, crushing all-in-one machine the most as claimed in claim 2, it is characterised in that: described fixed bearing block (13) with
Yielding device (14) is set between floating bearing bracket (16).
Screening, cloth, crushing all-in-one machine the most as claimed in claim 2, it is characterised in that: described screening distributor (4) includes
The reducing motor (22) being connected with rotor (25) by shaft coupling (23), wherein, rotor (25) two ends are by logical lid axle
Bearing (24) and boring cover bearing block (26) supporting are arranged on housing (3), upper fixing connection sieve plate (27) of rotor (25),
Gap between adjacent sieve plate (27) is split into sieve aperture (28).
Screening, cloth, crushing all-in-one machine the most as claimed in claim 4, it is characterised in that: described rotor (25) is divided into many groups,
Often group structure is identical, disposed at equal distance arranged side by side, and staged is arranged from top to bottom, forms nature angle of declination.
Screening, cloth, crushing all-in-one machine the most as claimed in claim 1, it is characterised in that: described screening distributor (4) and
Between level double teeth roller structure, material guide device (6) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271145.5A CN104001582B (en) | 2014-06-18 | 2014-06-18 | Screening, cloth, crushing all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271145.5A CN104001582B (en) | 2014-06-18 | 2014-06-18 | Screening, cloth, crushing all-in-one machine |
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| Publication Number | Publication Date |
|---|---|
| CN104001582A CN104001582A (en) | 2014-08-27 |
| CN104001582B true CN104001582B (en) | 2016-08-17 |
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| CN201410271145.5A Active CN104001582B (en) | 2014-06-18 | 2014-06-18 | Screening, cloth, crushing all-in-one machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801415B (en) * | 2015-05-12 | 2017-11-21 | 遂宁华能机械有限公司 | A kind of material distributing machine |
| CN105396647A (en) * | 2015-12-21 | 2016-03-16 | 重庆南桐矿业有限责任公司 | Blocking preventing type coal crusher |
| CN109126968A (en) * | 2018-08-13 | 2019-01-04 | 张荷友 | A kind of broken recyclable device of corrugated case two-stage type |
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