CN107504808A - A kind of multiple roll furnace discharge conveyer for shaft furnace - Google Patents
A kind of multiple roll furnace discharge conveyer for shaft furnace Download PDFInfo
- Publication number
- CN107504808A CN107504808A CN201710611318.7A CN201710611318A CN107504808A CN 107504808 A CN107504808 A CN 107504808A CN 201710611318 A CN201710611318 A CN 201710611318A CN 107504808 A CN107504808 A CN 107504808A
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- CN
- China
- Prior art keywords
- roller
- quiet
- dynamic
- drop guide
- group
- Prior art date
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- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 30
- 239000011707 mineral Substances 0.000 claims abstract description 30
- 238000010008 shearing Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000011112 process operation Methods 0.000 abstract description 2
- 208000015943 Coeliac disease Diseases 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010079 rubber tapping Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001354 calcination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/21—Arrangements of devices for discharging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
A kind of multiple roll furnace discharge conveyer for shaft furnace, including cylinder, dynamic roller group, quiet roller drop guide group and drive device group；Dynamic roller group is made up of some dynamic rollers, the inside of cylinder is horizontally placed in the middle part of every dynamic roller, the both ends of every dynamic roller are arranged on the outside of cylinder through the side wall of cylinder, dynamic roller group is connected with drive device group, the dynamic roller group rotation of drive device group driving, some tooth blocks are provided with the middle part of every dynamic roller, wear bulk mineral aggregate for shearing；Quiet roller drop guide group is made up of several quiet roller drop guides, and the inside of cylinder is horizontally placed in the middle part of each quiet roller drop guide, several guide teeth are provided with each quiet roller drop guide, for carrying out water conservancy diversion to bulk mineral aggregate and crushing.The advantages of of the present invention：It is cost-effective；The efficiency of furnace is improved out, maintenance cost is greatly lowered, and it is simple, quick and convenient to change movable teeth block process operation；The distance between dynamic roller is conveniently adjusted, realizes the control to mineral aggregate granularity of coming out of the stove.
Description
Technical field
The present invention relates to mine processing equipment technical field, it is related to a kind of furnace discharge conveyer, is used for shaft furnace more particularly, to one kind
Multiple roll furnace discharge conveyer.
Background technology
A kind of shaft furnace, the vertical continous way kiln being made up of the outer steel shell with vertical axis and fireproof brick inner lining, is used for
Lumpy bulk material is fired, usually using liquid or solid fuel, the thermal efficiency is higher than tunnel cave, and refractories industry uses wide at home
It is general.At present, small-sized shaft furnace is mostly using disc type shaking furnace tapping mechanism, this shaking furnace tapping mechanism mainly by drive motor, power transmission shaft and
Disk with some through holes etc. is formed, and the mineral aggregate of size qualification drains to kiln body bottom by the through hole on disk and transported, disk
Top is provided with some raised cutters tooth, wears mineral aggregate for shearing, and disk is driven by power transmission shaft to be rotated.
Due to producing substantial amounts of dust and pernicious gas in shaft furnace calcination process, environmental pollution is serious, and country is right now
Small-sized shaft furnace is limited, so, present each enterprise is increasing to the demand of large-scale shaft furnace, but for the disk of small-sized shaft furnace
But there are various drawbacks in large-scale shaft furnace in formula shaking furnace tapping mechanism, because preset mineral aggregate reaches 500 tons in large-scale shaft furnace, these mineral aggregates
Act directly on disk, the raised cutter tooth during mineral aggregate is pre-installed on easy damaged disk.Meanwhile disk is in rotary course
Drive mineral aggregate to be stirred in kiln body, huge shearing force is produced between mineral aggregate and kiln body inwall, damage kiln body inwall, reduce kiln body
Service life, and this shearing force to disc rotary produce reaction force, hinder disc rotary, simultaneously because power transmission shaft is vertical
Set, easily make stressed transmission shaft unbalance, or even fracture, at present, be in stopping production using the large-scale shaft furnace of disc type shaking furnace tapping mechanism
State, it is badly in need of the new departure that can solve the problem that existing issue occur.
The content of the invention
The present invention is for above shortcomings in the prior art, there is provided a kind of multiple roll furnace discharge conveyer for shaft furnace, this
Multiple roll furnace discharge conveyer solves the problems such as off-axis, chuck that disc type shaking furnace tapping mechanism occurs in large-scale shaft furnace, makes in mineral aggregate and kiln
Shearing force between wall reduces, and extends the service life of kiln body, and avoids the damage of power transmission shaft, fractures, and reaches large-scale
The purpose of the normal volume production of shaft furnace.
The invention provides a kind of multiple roll furnace discharge conveyer for shaft furnace, it is characterised in that：Described multiple roll furnace discharge conveyer installation
In kiln body bottom, including cylinder, dynamic roller group, quiet roller drop guide group and drive device group；
Dynamic roller group is made up of some dynamic rollers, and the inside of cylinder, the both ends of every dynamic roller are horizontally placed in the middle part of every dynamic roller
Side wall through cylinder is arranged on the outside of cylinder, and dynamic roller group is connected with drive device group, the dynamic roller group rotation of drive device group driving
Turn, some tooth blocks are provided with the middle part of every dynamic roller, wear bulk mineral aggregate for shearing；Quiet roller drop guide group is by several
Quiet roller drop guide is formed, and the inside of cylinder is horizontally placed in the middle part of each quiet roller drop guide, and the both ends of each quiet roller drop guide pass through
The side wall of cylinder is arranged on the outside of cylinder, several guide teeth is provided with each quiet roller drop guide, for bulk
Mineral aggregate carries out water conservancy diversion and crushed.
Dynamic roller group is made up of 2~6 dynamic rollers, arranged in parallel between dynamic roller, and all dynamic rollers are arranged on same level
In face；Quiet roller drop guide group is made up of 2~6 quiet roller drop guides, arranged in parallel between quiet roller drop guide, and all quiet rollers
Drop guide is arranged in same level.
In described dynamic roller group, the dynamic roller between being located therein is drive roll, positioned at its both sides dynamic roller supplemented by move roller；Actively
Tooth block on roller is movable teeth block, and the tooth block on auxiliary dynamic roller is fixing tooth block；Described fixing tooth block along auxiliary action roller shaft to setting,
It is uniformly distributed simultaneously along auxiliary dynamic roller circumferencial direction.
Several grooves are provided with every drive roll, each groove is axially arranged along drive roll, some groove edges
Drive roll circumferencial direction is uniformly distributed, and the bottom of movable teeth block is arranged in groove, is provided with each groove left and right stifled
Block, left and right sprue are separately positioned on the left and right side of several movable teeth blocks, are respectively provided with the both ends of the surface of each groove limited
Position block, for fixing movable teeth block, prevents movable teeth block from being slided in groove.
Jack and shim pack are provided with below the both ends of each quiet roller drop guide, the top of jack passes through pad
Group is withstood on the bottom surface of quiet roller drop guide, and shim pack is made up of several pads.
In the sleeve for being provided at both ends with spacer and rectangle of quiet roller drop guide, the both ends of quiet roller drop guide pass through positioning
Piece is fixed in sleeve, and the through hole of rectangle is provided with cylinder, and sleeve can move up and down along the through hole of rectangle, jack
Top withstood on through shim pack on the bottom surface of sleeve；It is arranged in parallel between quiet roller drop guide and dynamic roller, quiet roller drop guide
It is arranged at intervals with dynamic roller.
Each drive device group is formed by hydraulic motor and chain, moves each dynamic roller or directly and hydraulic motor of roller group
It is connected or is connected by chain with other dynamic rollers, other dynamic rollers is connected with hydraulic motor, realize every dynamic roller by hydraulic motor
Directly or indirectly driving.
The cross section of quiet roller drop guide is triangle, and the corner angle of each quiet roller drop guide can be adjusted.
The spacing of adjacent guide tooth on quiet roller drop guide is identical, is engaged with dynamic roller, can carry out water conservancy diversion to bulk mineral aggregate
With it is broken.
The spacing of adjacent guide tooth on the quiet roller drop guide is identical, is engaged with dynamic roller, bulk mineral aggregate is led
Flow and broken.
The shim pack altitude range is 200~500mm.
The advantages of of the present invention：
Multiple roll furnace discharge conveyer of the present invention for shaft furnace, the more roll structures being combined using dynamic roller, quiet roller drop guide,
Caused shearing force between mineral aggregate and kiln body inwall is reduced, while improves impact resistance, kiln body inwall is avoided damage to, prolongs
The service life of long kiln body and furnace discharge conveyer of the present invention, suitable for the production of large-scale shaft furnace；Using the hydraulic motor system of high pulling torque,
Without reductor, structure is simplified, it is cost-effective；The movable teeth block of use can enter according to mineral aggregate size, itself abrasion, rupture event
Row is changed, and improves out the efficiency of furnace, maintenance cost is greatly lowered, and it is simple, quick and convenient to change movable teeth block process operation；Adopt
Quiet roller drop guide can adjust height by hydraulic jack, to adjust the distance between dynamic roller, realize to ore deposit of coming out of the stove
The control of material granularity.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention is further detailed explanation：
Fig. 1 is the structural representation of the multiple roll furnace discharge conveyer of the present invention for shaft furnace；
Fig. 2 is the structural representation of drive roll of the present invention；
Fig. 3 is Fig. 2 side view；
Fig. 4 is the structural representation of auxiliary dynamic roller of the present invention；
Fig. 5 is the structural representation of quiet roller drop guide group of the present invention；
Fig. 6 is the partial schematic diagram of the multiple roll furnace discharge conveyer of the present invention for shaft furnace；
In figure, 1- cylinders, 11- through holes；2- moves roller group, and 21- moves roller, 211- drive rolls, the auxiliary dynamic rollers of 212-, 22- tooth blocks,
221- movable teeth blocks, 222- fixing tooth blocks, 23- grooves, 24- limited blocks, 25- sprues；The quiet roller drop guide groups of 3-, the quiet rollers of 31- are led
Glassware, 32- jack, 33- shim packs, 331- pads, 34- guide teeth, 35- spacers, 36- sleeves；4- drive device groups,
41- hydraulic motors, 42- chains；5- bearing blocks.
Embodiment
Embodiment
To make those skilled in the art more fully understand technical solutions according to the invention, below in conjunction with the accompanying drawings 1~6 and real
Applying example, the present invention is described in further detail.
A kind of multiple roll furnace discharge conveyer for shaft furnace, this multiple roll furnace discharge conveyer are arranged on kiln body bottom, including cylinder 1, dynamic roller group
2nd, quiet roller drop guide group 3 and drive device group 4；The dynamic roller group 2 is made up of four dynamic rollers 21 arranged in parallel, and all
Dynamic roller 21 is arranged in same level.The middle part of the every dynamic roller 21 is horizontally placed on the inside of the cylinder 1, and every described dynamic
The both ends of roller 21 are arranged on the outside of the cylinder 1 through the side wall of the cylinder 1, are provided with the middle part of the dynamic roller 21
Tooth block 22, the both ends of the every dynamic roller 21 are arranged on bearing block 5 by bearing, and the bearing uses bearing shell.
In the dynamic roller group 2, two dynamic rollers 21 between being located therein are drive roll 211, two dynamic rollers positioned at its both sides
Roller 212 is moved supplemented by 21；Tooth block 22 on the drive roll 211 is movable teeth block 221, and the tooth block 22 on the auxiliary dynamic roller 212 is
Fixing tooth block 222, movable teeth block 221 and fixing tooth block 222 are used to shear abrasion bulk mineral aggregate.In the every drive roll 211
On be provided with six grooves 23, and the both ends of the groove 23 are arranged at the outside of cylinder 1, and each groove 23 is along master
Dynamic roller 211 is axially arranged, and six grooves 23 are uniformly distributed along the circumferencial direction of drive roll 211；It is all provided with each groove 23
15 movable teeth blocks 221 are equipped with, the bottom of movable teeth block 221 is arranged in groove 23, is all provided with each groove 23
Left and right sprue 25 is equipped with, left and right sprue 25 is separately positioned on the left and right side of several movable teeth blocks 221, the groove 23
Cross section, the cross section of sprue 25, the bottom cross section of movable teeth block 221 are T-shaped, in the both ends of the surface of each groove 23
Limited block 24 is provided with, for fixing movable teeth block 221, prevents movable teeth block 221 from being slided in groove 23, the fixing tooth block
222 is axially arranged along auxiliary dynamic roller 212, while is uniformly distributed along the auxiliary dynamic circumferencial direction of roller 212.
Each drive device group 4 is formed by hydraulic motor 41 and chain 42, and the drive roll 211 is directly and hydraulic pressure
Motor 41 is connected, and auxiliary dynamic roller 212 is connected by chain 42 with adjacent drive roll 211, realizes every dynamic roller 21 by hydraulic motor
41 directly or indirectly drive, and the chain 42 uses triplex roller chain.
The quiet roller drop guide group 3 is made up of three quiet roller drop guides 31 arranged in parallel, and all quiet roller guides
Device 31 is arranged in same level, arranged in parallel between the quiet roller drop guide 31 and dynamic roller 21, and the quiet roller is led
Glassware 31 is arranged at intervals with dynamic roller 21；The cross section of the quiet roller drop guide 31 is isosceles triangle；As needed, in being located at
Between quiet roller drop guide 31 corner angle be 60 °, positioned at left and right side quiet roller drop guide 31 corner angle be 30 °, it is described
Several guide teeth 34 are provided with quiet roller drop guide 31, the guide tooth 34 is thin slice and residing plane and dynamic roller 21
Axially it is perpendicular, the spacing of adjacent guide tooth 34 is identical, is engaged with dynamic roller 21, be more beneficial for bulk mineral aggregate carry out water conservancy diversion and
It is broken.The middle part of each quiet roller drop guide 31 is horizontally placed on the two of the inside, each quiet roller drop guide 31 of the cylinder 1
The side wall held through the cylinder 1 is arranged on the outside of the cylinder 1, below the both ends of each quiet roller drop guide 31
Hydraulic jack 32 and U-shaped shim pack 33 are provided with, the top of the hydraulic jack 32 is pushed up through the middle part of shim pack 33
On the bottom surface of quiet roller drop guide 31, the shim pack 33 is made up of the pad 331 of ten same thickness, and the shim pack 33 is high
Spend for 300mm.
In order to prevent the quiet unbalance stress of roller drop guide 31 from causing to tilt, spacer is provided at both ends with quiet roller drop guide 31
35 and the sleeve 36 of rectangle, the both ends of quiet roller drop guide 31 be fixed in sleeve 36 by spacer 35, set on cylinder 1
There is the through hole 11 of rectangle, sleeve 36 can move up and down along the through hole 11 of rectangle, and the top of the jack 32 passes through pad
Group 33 is withstood on the bottom surface of sleeve 36.
With reference to this example demonstrates that using process：
Before use, the present invention is arranged on into the bottom of kiln body 1, the mineral aggregate size gone out as needed adjusts quiet roller drop guide group 3
Height, to adjust the distance between quiet roller drop guide 31 and dynamic roller 21, adjustment process is as follows：By the quiet both ends of roller drop guide 31
The piston of the hydraulic jack 32 of lower section stretches out, and moves up quiet roller drop guide 31 and gap is formed between shim pack 33, at this moment root
According to extraction pad 331, then the piston retraction by hydraulic jack 32 is needed, quiet roller drop guide 31 is set to fall back to shim pack 33 and liquid
Press the top of jack 32；
In use, drive dynamic roller 21 to rotate by hydraulic motor 41, and rotating speed is adjustable, the mineral aggregate after calcining falls at this
On invention described dynamic roller 21 and quiet roller drop guide 31, short grained mineral aggregate passes through dynamic sky between roller 21 and quiet roller drop guide 31
Gap, drop in discharge system (lower section for being located at furnace discharge conveyer of the present invention), the mineral aggregate of bulky grain is then stuck in dynamic roller 21 and quiet roller is led
Above space between glassware 31, with the rotation of dynamic roller 21, the shearing abrasion mineral aggregate of tooth block 22 on roller 21 is moved, while quiet roller is led
Guide tooth 34 on glassware 31 is engaged with dynamic roller 21, and water conservancy diversion is carried out to bulk mineral aggregate and is crushed；Until the mineral aggregate quilt of bulky grain
Little particle is broken into, dynamic space between roller 21 and quiet roller drop guide 31 can be passed through.
After a period of time, after the movable teeth block 221 on drive roll 211 is worn down to a certain degree, it can carry out more
Change, Renewal process is as follows：Remove first on drive roll 211, the limited block 24 in the both ends of the surface of groove 23 and positioned at groove 23
Interior left and right sprue, the new tooth block alignment groove 23 that hydraulic pressure scissor forceps change needs is reused, and inwardly firmly by new tooth block
It is pushed into groove 23, and original tooth block 22 of the other end of groove 23 is then pushed out groove 23, drops to outside the cylinder 1 of multiple roll furnace discharge conveyer
Portion, repeat to add new tooth block, until original tooth block 22 is all replaced, finally install left and right sprue 25 and limited block 24.
Due to the present invention, only dynamic roller 21 is rotated in the process of running, and an influence kiln inner bottom part part mineral aggregate will not
Make to produce huge shearing force between mineral aggregate and kiln body inwall, therefore avoid damage kiln body inwall, extend kiln body uses the longevity
Life, while this shearing force will not hinder dynamic roller 21 to rotate reaction force very little caused by dynamic roller 21, and due to moving roller group 2
It is horizontally placed in cylinder 1 with quiet roller drop guide group 3, reduces impact of the material to dynamic roller group 2 and quiet roller drop guide group 3, improve
Impact resistance, extend the service life of furnace discharge conveyer of the present invention.
Claims (9)
- A kind of 1. multiple roll furnace discharge conveyer for shaft furnace, it is characterised in that：Described multiple roll furnace discharge conveyer is arranged on kiln body bottom, including Cylinder, dynamic roller group, quiet roller drop guide group and drive device group；Dynamic roller group is made up of some dynamic rollers, the inside of cylinder is horizontally placed in the middle part of every dynamic roller, the both ends of every dynamic roller pass through The side wall of cylinder is arranged on the outside of cylinder, and dynamic roller group is connected with drive device group, the dynamic roller group rotation of drive device group driving, Some tooth blocks are provided with the middle part of every dynamic roller, wear bulk mineral aggregate for shearing；Quiet roller drop guide group is by several quiet rollers Drop guide is formed, and the inside of cylinder is horizontally placed in the middle part of each quiet roller drop guide, and the both ends of each quiet roller drop guide pass through cylinder Side wall be arranged on the outside of cylinder, several guide teeth are provided with each quiet roller drop guide, for bulk mineral aggregate Carry out water conservancy diversion and crush.
- 2. according to the multiple roll furnace discharge conveyer for shaft furnace described in claim 1, it is characterised in that：Dynamic roller group is by 2~6 dynamic roller structures Into, it is arranged in parallel between dynamic roller, and all dynamic rollers are arranged in same level；Quiet roller drop guide group is by 2~6 quiet rollers Drop guide is formed, arranged in parallel between quiet roller drop guide, and all quiet roller drop guides are arranged in same level.
- 3. according to the multiple roll furnace discharge conveyer for shaft furnace described in claim 1, it is characterised in that：In described dynamic roller group, it is located at In-between dynamic roller be drive roll, positioned at its both sides dynamic roller supplemented by dynamic roller；Tooth block on drive roll is movable teeth block, auxiliary dynamic roller On tooth block be fixing tooth block；Described fixing tooth block uniformly divides along auxiliary action roller shaft to setting along auxiliary dynamic roller circumferencial direction Cloth.
- 4. according to the multiple roll furnace discharge conveyer for shaft furnace described in claim 1, it is characterised in that：It is provided with every drive roll Several grooves, each groove is axially arranged along drive roll, and some grooves are uniformly distributed along drive roll circumferencial direction, movable teeth The bottom of block is arranged in groove, and left and right sprue is provided with each groove, and left and right sprue is separately positioned on several The left and right side of movable teeth block, limited block is provided with the both ends of the surface of each groove.
- 5. according to the multiple roll furnace discharge conveyer for shaft furnace described in claim 1, it is characterised in that：The two of each quiet roller drop guide End lower section is provided with jack and shim pack, and the top of jack is withstood on the bottom surface of quiet roller drop guide through shim pack, pad Piece group is made up of several pads.
- 6. according to the multiple roll furnace discharge conveyer for shaft furnace described in claim 5, it is characterised in that：Set at the both ends of quiet roller drop guide The sleeve of spacer and rectangle is equipped with, the both ends of quiet roller drop guide are fixed in sleeve by spacer, set on cylinder There is the through hole of rectangle, sleeve can move up and down along the through hole of rectangle, and the top of jack withstands on sleeve through shim pack On bottom surface；Arranged in parallel between quiet roller drop guide and dynamic roller, quiet roller drop guide is arranged at intervals with dynamic roller.
- 7. according to the multiple roll furnace discharge conveyer for shaft furnace described in claim 1, it is characterised in that：Each drive device group is by liquid Pressure motor and chain composition, each of dynamic roller group move roller or are directly connected with hydraulic motor or move roller phases by chain and other Even, other dynamic rollers are connected with hydraulic motor, realize that every dynamic roller is directly or indirectly driven by hydraulic motor.
- 8. according to the multiple roll furnace discharge conveyer for shaft furnace described in claim 1, it is characterised in that：The cross section of quiet roller drop guide is Triangle, the corner angle of each quiet roller drop guide can be adjusted.
- 9. according to the multiple roll furnace discharge conveyer for shaft furnace described in claim 1, it is characterised in that：Adjacent on quiet roller drop guide is led Expect that the spacing of tooth is identical, be engaged with dynamic roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710611318.7A CN107504808B (en) | 2017-07-25 | Multi-roller furnace discharging machine for shaft kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710611318.7A CN107504808B (en) | 2017-07-25 | Multi-roller furnace discharging machine for shaft kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107504808A true CN107504808A (en) | 2017-12-22 |
| CN107504808B CN107504808B (en) | 2024-07-23 |
Family
ID=
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| CN201020379Y (en) * | 2007-03-23 | 2008-02-13 | 孙亮 | Special-purpose disintegrator for wine brewing raw material |
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