CN109174325A - Blast furnace powder coal powder injection machine - Google Patents
Blast furnace powder coal powder injection machine Download PDFInfo
- Publication number
- CN109174325A CN109174325A CN201811116272.2A CN201811116272A CN109174325A CN 109174325 A CN109174325 A CN 109174325A CN 201811116272 A CN201811116272 A CN 201811116272A CN 109174325 A CN109174325 A CN 109174325A
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- Prior art keywords
- grinding
- coal
- case
- blast furnace
- powder
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/14—Edge runners, e.g. Chile mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crushing And Grinding (AREA)
Abstract
Blast furnace powder coal powder injection machine of the present invention belongs to the technical field of metallurgical equipment；Technical problem to be solved are as follows: provide a kind of blast furnace powder coal powder injection machine, structure is simple, and manufacturing cost is low, and milling efficiency is high and energy saving；The technical solution of use are as follows: grinding case is fixedly mounted on above chassis, grinding table is fixed on grinding case inner bottom surface center, grinding table is round entity and its edge is equipped with mixing roll slot, the emery wheel center that lower part is inlaid in mixing roll slot is equipped with strut, the end of strut is fixedly connected with central axis, the roller group motor output shaft below grinding case is arranged in pass through reduction gearbox and center axis connection and its uniform speed slow is driven to rotate, seamless connection annulate lamella between grinding table upper end-face edge and grinding chamber interior wall, ring flat-plate is equipped at least one area Shai Fen, the area Shai Fen is equipped with multiple sieve pores, run coal bin is installed above grinding case, and the bottom end outlet of run coal bin corresponds to grinding table center, the area Shai Fen, which is arranged below to connect powder tank and connect powder tank, to be connected by pipeline with coal dust classifier.
Description
Technical field
Blast furnace powder coal powder injection machine of the present invention belongs to the technical field of metallurgical equipment, and in particular to coal injection and pulverization equipment.
Background technique
Modern blast furnace, which is smelted, need to use coke, its effect in blast furnace is to provide the heat that smelting process needs；Reduced iron
The reducing agent that ore needs；And maintain the skeleton of blast furnace stock column (especially cohesive zone and its with lower portion) gas permeability.Blast furnace
Coal injection is the mixed coal powder of the anchracite duff for being directly blown levigate into furnace from blast-furnace tuyere or bituminous coal powder or the two,
Play a part of to provide heat and reducing agent with substitute for coke, to reduce coke ratio, reduce pig iron cost, it is that modern blast furnace is smelted
An important technical revolution.Pulverized coal injection is to have revolutionary vital measure for modern blast furnace ironmaking technology, it is
Can blast furnace ironmaking compete with other iron smelting methods, the key technology of survival and development.
The key of coal injection technology is that the fineness of coal dust, the performance of coal powder injection equipment can directly affect enterprise's production production capacity, because
This iron and steel enterprise have been devoted in this respect efficiently, energy-saving and environmental protection, intelligent control, the exploitation of technologies such as recycle and set
Standby transformation.
Summary of the invention
The present invention overcomes the shortcomings of the prior art, technical problem to be solved are as follows: provides a kind of blast furnace powder spray
Coal machine, structure is simple, and manufacturing cost is low, and milling efficiency is high and energy saving.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: blast furnace powder coal powder injection machine, including chassis,
Case, grinding table, grinding roller group, roller group motor, run coal bin, coal dust classifier, feed back pipe and coal powder injection outlet are ground, grinding case is fixed
It is mounted on above chassis, grinding table is fixed on grinding case inner bottom surface center, and the grinding table is round entity and its edge is equipped with
Mixing roll slot, grinding roller group include central axis and multiple solid emery wheels, and it is logical that lower part is inlaid in the emery wheel center in mixing roll slot
It crosses bearing and strut is installed, the end of strut is fixedly connected with central axis, and the setting of roller group motor is below grinding case, roller group motor
Output shaft pass through reduction gearbox and center axis connection and its uniform speed slow driven to rotate, grinding table upper end-face edge and grinding chamber interior wall
Between seamless connection annulate lamella, the ring flat-plate be equipped at least one area Shai Fen, the area Shai Fen be equipped with multiple sieve pores, grinding
Be movably installed with rotating ring on chamber interior wall and rotating ring be located above ring flat-plate, grind be fixed on chamber interior wall multiple limited blocks and
Rotating ring bottom end is withstood in the upper end of limited block, and the brush head that multiple paintings and painting are equipped on rotating ring inner wall is close to table on ring flat-plate
Face, rotating ring outer wall, which is equipped in annular groove and slot, is set with first gear, corresponds to first gear on the side wall of the grinding case
Position be provided with openings, positioned at grinding case outside second gear listened openings to be meshed with first gear, be fixed on and grind
Brush motor on tumbling barrel outer wall is connected by reduction gearbox with the central axis of second gear, is equipped with raw coal above grinding case
Storehouse, and the bottom end outlet of run coal bin, through grinding case top surface and the center of corresponding grinding table, the bottom end outlet of run coal bin is equipped with even
Fast dispenser, is equipped with below the area Shai Fen to connect powder tank and connect powder tank and is separated by pipeline with the coal dust being mounted below chassis
Device is connected, the coal powder injection outlet bf coal injection system of coal dust classifier, and the coal mouth that returns of coal dust classifier passes through feed back Guan Lian
The internal upper part of logical grinding case grinds the inner wall of case equipped with stock guide diagonally downward, and the high order end of the stock guide is located at back
Below the outlet of expects pipe and its low order end corresponds to the surface of grinding table.
The mixing roll slot of the grinding edge of table is high outside and low outside slope, and the periphery of emery wheel is and mixing roll slot phase
Corresponding bevel structure.
Hold-down mechanism is installed, the hold-down mechanism includes pressure ring, fixed block, activity circle above the grinding roller group
Plate, screw hole column and screw rod, pressure ring is located at right above mixing roll slot and the annular matched with emery wheel periphery is arranged below in pressure ring
Slot, the emery wheel top are inlaid in the annular groove of pressure ring, and multiple fixed blocks are equipped with above pressure ring, and fixed block internal activity is embedded in
Have a movable plectane, grind be fixedly installed with multiple screw hole columns above case and multiple screw hole columns respectively correspond multiple fixed blocks just on
Side, screw rod by thread set in screw hole column and through grinding case top surface, the screw rod upper end be equipped with nut and its lower end with
Movable plectane in fixed block is fixedly connected.
Multiple balls are equipped with by ball groove in the annular groove of the pressure ring, and the 3/4 of ball overall volume is respectively positioned on ball
In slot.
Ball, and 3/4 of ball overall volume are equipped with by ball groove on the contact surface of the limited block and rotating ring
In in ball groove.
The central axis upper end of the grinding roller group is equipped with sub-material umbrella, and the top of the sub-material umbrella corresponds to run coal bin blanking port
And its lower edge is directed toward on the inside of mixing roll slot.
Compared with the prior art, the invention has the following beneficial effects:
1, walking of the present invention by multiple solid emery wheels in mixing roll slot, crushes the raw coal fallen into it
Cheng Fen, coal dust are swept away after being drained on ring flat-plate by emery wheel extruding by the painting of rotation walking, and the area approach Shai Fen carries out first time screening,
Preliminary qualified coal dust enters coal dust classifier and is separated, and qualified coal dust enters coal injection system, and underproof return continues quilt
Grinding, overall structure is simple, manufacturing cost is low, energy conservation and grinding efficiency height；
2, hold-down mechanism is arranged on multiple emery wheels in the present invention, the grinding dynamics of emery wheel is increased, so that grinding efficiency is more
Height, grinding quality is more stable, and the ball in pressure ring annular groove reduces its contact friction force with emery wheel, not shadow while pressurization
Ring the rotation of emery wheel.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing；
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the overlooking structure diagram of grinding table and ring flat-plate in the present invention；
Fig. 3 is the portion the A enlarged structure schematic diagram of Fig. 1；
In figure: 1 is chassis, and 2 be grinding case, and 3 be grinding table, and 4 be grinding roller group, and 5 be roller group motor, and 6 be run coal bin, 7
It is feed back pipe for coal dust classifier, 8,9 export for coal powder injection, and 10 be ring flat-plate, and 11 be the area Shai Fen, and 12 is connect powder tank, and 13 be rotating ring,
14 be limited block, and 15 be painting, and 16 be first gear, and 17 be second gear, and 18 be brush motor, and 19 be stock guide, and 20 be pressure
Ring, 21 be fixed block, and 22 be screw hole column, and 23 be screw rod, and 41 be center axis, and 42 be emery wheel, and 43 be strut, and 44 be sub-material umbrella.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the utility model reality
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is a part of the embodiments of the present invention, instead of all the embodiments；Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
As shown in Figure 1-3, blast furnace powder coal powder injection machine of the present invention, including chassis 1, grinding case 2, grinding table 3, grinding roller group 4,
Roller group motor 5, run coal bin 6, coal dust classifier 7, feed back pipe 8 and coal powder injection outlet 9, grinding case 2 are fixedly mounted on above chassis 1,
Grinding table 3 is fixed on grinding 2 inner bottom surface center of case, and the grinding table 3 is round entity and its edge is equipped with mixing roll slot, grinding
Roller group 4 includes central axis 41 and multiple solid emery wheels 42, and 42 center of emery wheel that lower part is inlaid in mixing roll slot passes through bearing
Strut 43 is installed, the end of strut 43 is fixedly connected with central axis 41, and the setting of roller group motor 5 is below grinding case 2, roller group electricity
The output shaft of machine 5 is connect with central axis 41 by reduction gearbox and its uniform speed slow is driven to rotate, 3 upper end-face edge of grinding table and grinding
Seamless connection annulate lamella 10 between 2 inner wall of case, the ring flat-plate 10 are equipped at least one area Shai Fen 11, set in the area Shai Fen 11
There are multiple sieve pores, is movably installed with rotating ring 13 on grinding 2 inner wall of case and rotating ring 13 is located at 10 top of ring flat-plate, grind in case 2
13 bottom end of rotating ring is withstood in the upper end that multiple limited blocks 14 and limited block are fixed on wall, is equipped on 13 inner wall of rotating ring more
The brush head of a painting 15 and painting 15 is close to 10 upper surface of ring flat-plate, and 13 outer wall of rotating ring is equipped in annular groove and slot and is set with
First gear 16 correspond to the position of first gear 16 on the side wall of the grinding case 2 and is provided with openings, is located at and grinds outside case 2
17 tins of second gear of portion cross openings and are meshed with first gear 16, and the brush motor 18 being fixed on grinding 2 outer wall of case is logical
It crosses reduction gearbox to be connected with the central axis of second gear 17, grinds and run coal bin 6 is installed above case 2, and the bottom end of run coal bin 6 goes out
Mouth is equipped at the uniform velocity dispenser, the sieve powder through grinding 2 top surface of case and the center of corresponding grinding table 3, the bottom end outlet of run coal bin 6
It is equipped with to connect powder tank 12 and connect powder tank 12 below area 11 and be connected by pipeline with the coal dust classifier 7 being mounted below chassis 1
Logical, the 9 connection bf coal injection system of coal powder injection outlet of coal dust classifier 7, the coal mouth that returns of coal dust classifier 7 is connected to by feed back pipe 8
The internal upper part of case 2 is ground, the inner wall of grinding case 2 is equipped with stock guide 19 diagonally downward, the high order end position of the stock guide 19
Below the outlet of feed back pipe 8 and its low order end corresponds to the surface of grinding table 3.
7 structure of coal dust classifier in the present invention is the prior art, and main function is will to be suitable for the subtle of coal injection system
Pulverized coal particle is separated to burn for coal powder injection from larger particles coal grain and be used, and is mostly centrifugated structure using air-flowing type, specifically
Structure is not added to describe in the present invention.
The soft screw conveyor structure of spiral can be used inside feed back pipe 8 in the present invention, it is possible to use air-flow spray feed, it is main to make
With being to send underproof coal dust to the grinding case 2 of eminence, structure is the prior art, does not add to describe herein.
The mixing roll slot at 3 edge of grinding table is high outside and low outside slope, and the periphery of emery wheel 42 is and mixing roll
The corresponding bevel structure of slot.
The top of the grinding roller group 4 is equipped with hold-down mechanism, and the hold-down mechanism includes pressure ring 20, fixed block 21, lives
Dynamic plectane, screw hole column 22 and screw rod 23, pressure ring 20 is located at right above mixing roll slot and pressure ring 20 is arranged below and 42 circumference of emery wheel
The annular groove that face matches, 42 top of emery wheel are inlaid in the annular groove of pressure ring 20, and pressure ring 20 is equipped with multiple fixations above
Block 21,21 internal activity of fixed block are embedded with movable plectane, and grinding case 2 is fixedly installed with multiple screw hole columns 22 and multiple spiral shells above
Hole post 22 respectively corresponds the surface of multiple fixed blocks 21, and screw rod 23 is by thread set in screw hole column 22 and through grinding case
2 top surfaces, 23 upper end of screw rod is equipped with nut and its lower end is fixedly connected with the movable plectane in fixed block 21.
41 upper end of central axis of the grinding roller group 4 is equipped with sub-material umbrella 44, and the top of the sub-material umbrella 44 corresponds to raw coal
6 blanking port of storehouse and its lower edge are directed toward mixing roll slot inside.
The course of work:
The nut on multiple screw rods 23 is screwed, pressure ring 20 is made to apply certain pressure to multiple emery wheels 42, opens roller group motor 5
With brush motor 18, roller group motor 5 drives multiple emery wheels 42 to walk in mixing roll slot, what brush motor was meshed by two
Gear drives rotating ring 13 and painting rotation thereon, and raw coal is poured into run coal bin 6, run coal bin 6 by the uniform velocity dispenser to
It grinds and supplies raw coal in case 2, raw coal is fallen on sub-material umbrella 4 and in the mixing roll slot that sub-material umbrella 4 falls into 3 edge of grinding table
Side, roller group motor 5 drives central axis 41 to rotate, while multiple emery wheels 42 being driven to walk in mixing roll slot by the raw coal in it
Powder is pulverized into, since emery wheel 42 is solid construction, self gravity is larger, along with the pressure that pressure ring applies to it, grinding efficiency
Height, fast at powder speed, the coal dust pulverized is swept away after being drained on ring flat-plate 10 by the extruding of emery wheel 43 by the painting 15 of rotation walking, way
The area Jing Shaifen 11 carries out first time screening, and preliminary qualified coal dust enters coal dust classifier 7 by connecing powder tank 12, and two qualified
It brings mixing roll slot into during painting 15 is swept to continue to grind, the coal dust into coal dust classifier 7 carries out secondary separation, qualified
Coal dust enters coal injection system, and underproof to continue to be ground by the return grinding case 2 of feed back pipe 8, overall structure is simple, manufactures
It is at low cost, energy conservation and grinding efficiency height.
Multiple balls are equipped with by ball groove in the annular groove of the pressure ring 20, and the 3/4 of ball overall volume is respectively positioned on
In ball groove.
The limited block 14 is equipped with ball, and the 3/ of ball overall volume by ball groove on the contact surface of rotating ring 13
4 are located in ball groove.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. blast furnace powder coal powder injection machine, it is characterised in that: including chassis (1), grinding case (2), grinding table (3), grinding roller group (4),
Roller group motor (5), run coal bin (6), coal dust classifier (7), feed back pipe (8) and coal powder injection outlet (9), grinding case (2) are fixedly mounted
Chassis (1) above, grinding table (3) is fixed on grinding case (2) inner bottom surface center, the grinding table (3) be round entity and its
Edge is equipped with mixing roll slot, and grinding roller group (4) includes central axis (41) and multiple solid emery wheels (42), and lower part is inlaid in grinding
Emery wheel (42) center in roller slot is equipped with strut (43) by bearing, and the end and central axis (41) of strut (43) are fixed to be connected
It connects, below grinding case (2), the output shaft of roller group motor (5) passes through reduction gearbox and central axis (41) even for roller group motor (5) setting
It connects and its uniform speed slow is driven to rotate, seamless connection annulate lamella between grinding table (3) upper end-face edge and grinding case (2) inner wall
(10), the ring flat-plate (10) is equipped at least one area Shai Fen (11), and the area Shai Fen (11) is equipped with multiple sieve pores, grinds case
(2) it is movably installed with rotating ring (13) on inner wall and rotating ring (13) is located above ring flat-plate (10), grinds fixed on case (2) inner wall
Rotating ring (13) bottom end is withstood in upper end equipped with multiple limited blocks (14) and limited block, is equipped on rotating ring (13) inner wall multiple
It paints (15) and paints brush head abutting ring flat-plate (10) upper surface of (15), rotating ring (13) outer wall is equipped with annular groove and slot inner sleeve
Equipped with first gear (16), the position of first gear (16) is corresponded on the side wall of grinding case (2) and is provided with openings, positioned at grinding
The external second gear (17) of tumbling barrel (2) listened openings to be meshed with first gear (16), was fixed on grinding case (2) outer wall
Brush motor (18) be connected by reduction gearbox with the central axis of second gear (17), grinding case (2) above raw coal is installed
Storehouse (6), and the bottom end outlet of run coal bin (6) runs through the center of grinding case (2) top surface and corresponding grinding table (3), run coal bin (6)
Bottom end outlet is equipped at the uniform velocity dispenser, is equipped with to connect powder tank (12) and connect powder tank (12) below the area Shai Fen (11) and passes through pipeline
It is connected with the coal dust classifier (7) of chassis (1) below is mounted on, coal powder injection outlet (9) the connection blast furnace spray of coal dust classifier (7)
Coal measures is united, and coal dust classifier (7) returns coal mouth by the internal upper part of feed back pipe (8) connection grinding case (2), grinds the interior of case (2)
Wall is equipped with stock guide (19) diagonally downward, the high order end of the stock guide (19) be located at the outlet lower section of feed back pipe (8) and
Its low order end corresponds to the surface of grinding table (3).
2. blast furnace powder coal powder injection machine according to claim 1, it is characterised in that: the mixing roll at grinding table (3) edge
Slot is high outside and low outside slope, and the periphery of emery wheel (42) is bevel structure corresponding with mixing roll slot.
3. blast furnace powder coal powder injection machine according to claim 1 or 2, it is characterised in that: the top peace of grinding roller group (4)
Equipped with hold-down mechanism, the hold-down mechanism includes pressure ring (20), fixed block (21), movable plectane, screw hole column (22) and screw rod
(23), pressure ring (20) is located at right above mixing roll slot and the annular matched with emery wheel (42) periphery is arranged below in pressure ring (20)
Slot, emery wheel (42) top are inlaid in the annular groove of pressure ring (20), and pressure ring (20) is equipped with multiple fixed blocks (21) above, Gu
Determine block (21) internal activity and be embedded with movable plectane, grinding case (2) is fixedly installed with multiple screw hole columns (22) and multiple spiral shells above
Hole post (22) respectively corresponds the surface of multiple fixed blocks (21), and screw rod (23) in screw hole column (22) and is passed through by thread set
Grinding case (2) top surface is worn, screw rod (23) upper end is equipped with nut and its lower end is fixed with the movable plectane in fixed block (21)
Connection.
4. blast furnace powder coal powder injection machine according to claim 3, it is characterised in that: pass through in the annular groove of the pressure ring (20)
Ball groove is equipped with multiple balls, and the 3/4 of ball overall volume is respectively positioned in ball groove.
5. blast furnace powder coal powder injection machine according to claim 3, it is characterised in that: the limited block (14) and rotating ring (13)
Contact surface on ball is equipped with by ball groove, and the 3/4 of ball overall volume is located in ball groove.
6. blast furnace powder coal powder injection machine according to claim 3, it is characterised in that: the central axis of grinding roller group (4)
(41) upper end is equipped with sub-material umbrella (44), and the top of the sub-material umbrella (44) corresponds to run coal bin (6) blanking port and its lower edge is directed toward
On the inside of mixing roll slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116272.2A CN109174325B (en) | 2018-09-25 | 2018-09-25 | Coal powder making and injection machine for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116272.2A CN109174325B (en) | 2018-09-25 | 2018-09-25 | Coal powder making and injection machine for blast furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109174325A true CN109174325A (en) | 2019-01-11 |
| CN109174325B CN109174325B (en) | 2020-12-01 |
Family
ID=64909978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811116272.2A Expired - Fee Related CN109174325B (en) | 2018-09-25 | 2018-09-25 | Coal powder making and injection machine for blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109174325B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420716A (en) * | 2019-08-19 | 2019-11-08 | 潘凤春 | A kind of improved high-efficiency dry pan |
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| CN204661742U (en) * | 2015-05-28 | 2015-09-23 | 中冶赛迪工程技术股份有限公司 | The bf coal injection system of a kind of pulverized coal injection structural unit and composition thereof |
| CN204685196U (en) * | 2015-06-08 | 2015-10-07 | 新乡市中天光源材料有限公司 | A kind of anode material for lithium-ion batteries batch mixer |
| CN204911644U (en) * | 2015-09-10 | 2015-12-30 | 台州市椒江永固船舶螺旋桨厂 | Edge -runner mill |
| CN206604573U (en) * | 2017-03-10 | 2017-11-03 | 天津涌基源农业科技有限公司 | Organic fertilizer, which is milled, sieves material device |
| CN107115926A (en) * | 2017-06-27 | 2017-09-01 | 盐城永悦新材料有限公司 | One kind production thermosetting powder coating flour mill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420716A (en) * | 2019-08-19 | 2019-11-08 | 潘凤春 | A kind of improved high-efficiency dry pan |
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| CN109174325B (en) | 2020-12-01 |
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