CN206905020U - A kind of steel ball coal-grinding amount conveying control device - Google Patents
A kind of steel ball coal-grinding amount conveying control device Download PDFInfo
- Publication number
- CN206905020U CN206905020U CN201720600524.3U CN201720600524U CN206905020U CN 206905020 U CN206905020 U CN 206905020U CN 201720600524 U CN201720600524 U CN 201720600524U CN 206905020 U CN206905020 U CN 206905020U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- coal
- coal dust
- fixed cover
- control device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model belongs to coal pulverizer apparatus field, more particularly to a kind of steel ball coal-grinding amount conveying control device, for controlling the pulverized coal flow in the multiple duff pipe roads connected in coal dust main pipe, including：Multiple connecting seats, multiple fixed covers and rotating shaft；Multiple connecting seats are symmetrically fixedly connected in the side wall of coal dust main pipe, and with being connected on the inside of coal dust main pipe, the opening of the other end is provided with connection side for one end of each connecting seat；Each end of fixed cover is connected with the connection side in the opening of connecting seat；Axis of rotation is assemblied between two side walls of fixed cover, rotating shaft and the axis perpendicular of coal dust main pipe, and baffle plate is fixedly connected with rotating shaft, and at least one end of rotating shaft stretches out the outside of the side wall of fixed cover, plectrum is fixedly connected with the external part of rotating shaft.Steel ball coal-grinding amount conveying control device provided by the utility model, its is simple in construction, easy to operate, can reduce the deviation of each duff pipe road coal dust conveying capacity, can reduce the deviation that each burner provides heat.
Description
Technical field
The utility model belongs to coal pulverizer apparatus field, more particularly to a kind of steel ball coal-grinding amount conveying control device.
Background technology
At present, Ball Mill is commonly utilized in the pulverized coal preparation system of power plant, and every Ball Mill is provided with a plurality of duff pipe road,
Multiple burners are supplied respectively while are worked, because the drag characteristic on every duff pipe road is different, each duff pipe road of generally existing
The problem of inner powder amount is uneven, and the thermal excursion that each burner provides is larger, causes boiler flame center to glance off, can cause
Boiler or so, it is front and rear larger gas temperature windage be present, water-cooling wall uneven heating is even, and normal water circulation can be destroyed when serious, is drawn
Play water screen tube overheat, swollen thick or booster；Flame kernel deflection, it can also make the cigarette temperature temperature difference of furnace outlet or so larger, can lead
Cause superheater tube local temperature too high, the generation of booster phenomenon is had when serious；Furnace load is uneven, will cause in burner hearth
Local temperature is too high, makes NOxGrowing amount increases, and can also cause high temperature corrosion.In addition, burner load is uneven, will be to boiler
Security, economy and environmental protection index of operation etc. bring considerable influence.
Utility model content
To solve problem above, the utility model provides a kind of steel ball coal-grinding amount conveying control device, and its is simple in construction, can
The deviation of each duff pipe road coal dust conveying capacity is reduced, the deviation that each burner provides heat can be reduced.
In order to achieve the above object, the utility model is solved using following technical scheme.
A kind of steel ball coal-grinding amount conveying control device, for controlling the coal in the multiple duff pipe roads connected in coal dust main pipe
Powder flow, including：Multiple connecting seats, multiple fixed covers and rotating shaft；Multiple connecting seats are symmetrically fixedly connected on the coal dust
In the side wall of main pipe, with being connected on the inside of the coal dust main pipe, the opening of the other end is set for one end of each connecting seat
There is connection side；Each end of the fixed cover is connected with the connection side in the opening of the connecting seat；The axis of rotation
It is assemblied between two side walls of the fixed cover, the rotating shaft and the axis perpendicular of the coal dust main pipe, in the rotating shaft
Baffle plate is fixedly connected with, the outside of the side wall of the fixed cover, the external part of the rotating shaft are stretched out at least one end of the rotating shaft
On be fixedly connected with plectrum.
According to steel ball coal-grinding amount conveying control device of the present utility model, each connecting seat is all located at its corresponding duff pipe
The underface on road, coal dust main pipe inner side are turned on connecting seat, and the surrounding of each connecting seat is welded in coal dust main pipe, each
Rotating shaft is both provided between two side walls of fixed cover, rotating shaft can be rotatable around its axis, the axis of rotating shaft and the axle of coal dust main pipe
Line is perpendicular, is welded with baffle plate in rotating shaft, and baffle plate is swung therewith during rotating shaft, and baffle plate can swing in convection current in coal dust main pipe
The breeze airflow for entering duff pipe road is blocked, and regulation enters the coal dust amount on each duff pipe road, when the horizontal angle of release of baffle plate is smaller,
Larger to the shielded area of coal dust, the coal dust amount into duff pipe road is few, and when the horizontal angle of release of baffle plate is larger, coal dust is blocked
Area is smaller, and the coal dust amount into duff pipe road is big, and one end that the side wall of fixed cover is stretched out in rotating shaft is fixedly connected with plectrum, dials
Dynamic plectrum can drive the swung in rotating shaft, easy to operation.Steel ball coal-grinding amount conveying control device of the present utility model passes through
The swung in plectrum drive rotating shaft is stirred, the coal dust amount for entering each duff pipe road is can adjust, reduces each duff pipe road coal
The deviation of powder conveying capacity, the deviation that each burner provides heat is reduced, the uniformity of furnace load is improved, reduces
NOxGrowing amount.
As preferable, arcuate socket is provided with the plectrum, the arc core of the arcuate socket is located at the axle center of the rotating shaft
On line, locating rod is provided with the lateral wall of the fixed cover, the locating rod is passed through in the arcuate socket.
According to steel ball coal-grinding amount conveying control device of the present utility model, stir plectrum and drive the baffle plate in rotating shaft to be put
When dynamic, one end of locating rod is fixed in fixed cover, by the both ends of arcuate socket, can limit the scope of swung angle.
As preferable, the locating rod is screw rod, and the end thread of the locating rod is connected with screw knob.
According to steel ball coal-grinding amount conveying control device of the present utility model, during screw knob on Unscrew, can dial
Dynamic plectrum adjusts the powder delivering amount on each duff pipe road, after the completion of regulation, tightens the screw knob on screw rod, the end face of screw knob can
So that plectrum is pressed in fixed cover, can anti-baffle plate rotated by the impact of breeze airflow.
As preferable, driving lever is fixedly connected with the plectrum.
According to steel ball coal-grinding amount conveying control device of the present utility model, plectrum, rotating shaft, baffle plate one can be made by stirring driving lever
Play axis around the shaft to rotate, and then adjust the coal dust conveying capacity on each duff pipe road, conveniently be also beneficial to accurately grasp while operation
Make, the breeze gas flow temperature in coal dust main pipe is higher in addition, and the temperature of plectrum is also higher, is fixedly connected on plectrum one longer
Driving lever, operating personnel can be avoided to be burned.
As preferable, the edge of the arcuate socket is provided with angle index.
According to steel ball coal-grinding amount conveying control device of the present utility model, when stirring plectrum, arcuate socket on plectrum, turn
The axis of baffle plate together around the shaft on axle, rotating shaft rotates, and locating rod is fixed in fixed cover, do not rotated with plectrum, leads to
Observation locating rod is crossed in the position of arcuate socket angle index line, the rotational angle of baffle plate can be accurately read, be advantageous to further carry
The precision of high each duff pipe road coal dust conveying capacity regulation.
As preferable, multiple rotating shafts are set side by side with from top to bottom in each fixed cover, in each rotating shaft
A baffle plate has been respectively fixedly connected with, a plectrum is connected on the external part of each rotating shaft.
According to steel ball coal-grinding amount conveying control device of the present utility model, it is set up in parallel from top to bottom in each fixed cover more
Individual rotating shaft, can be according to being actually needed the various forms of baffle plates of welding in each rotating shaft, the breeze airflow flow velocity in coal dust main pipe
Comparatively fast, impact is stronger, and by the cooperation between each baffle plate, to breeze airflow using progressively cutting down, the mode stopped step by step is complete
The regulation of paired duff pipe road coal dust conveying capacity, the service life of baffle plate can be improved, be also beneficial to improve the regulation of coal dust conveying capacity
Precision.
As preferable, the baffle plate includes paw plate and integral slab, and the paw plate is fixedly connected on the fixed cover
In the rotating shaft of interior bottom, the paw plate includes the multiple bar shaped catch being set up in parallel, the adjacent bar shaped gear of each two
Piece is provided with gap；The integral slab is fixedly connected in the rotating shaft on the top in the fixed cover.
According to steel ball coal-grinding amount conveying control device of the present utility model, the strip-shaped baffle set on paw plate is used for stopping
Breeze airflow, the gap between adjacent bar baffle plate can allow breeze airflow by the way that paw plate is fixedly connected on fixed cover bottom
Rotating shaft on, as at first by breeze airflow impact baffle plate, coal dust conveying capacity can be finely adjusted, can also slow down coal dust mother
The flow velocity of breeze airflow and impact in pipe, make integral slab reduce abrasion, and integral slab can be adjusted into each duff pipe road by a relatively large margin
The effect of coal dust conveying capacity.
Brief description of the drawings
The utility model is described in further details with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the perspective structure schematic diagram of one embodiment of steel ball coal-grinding amount conveying control device of the present utility model；
Fig. 2 is the cross section structure diagram at A-A in Fig. 1；
Fig. 3 is the partial enlargement structural representation at B in Fig. 1；
Fig. 4 is the cross section structure diagram at C-C in Fig. 2；
It is saturating when Fig. 5 is the baffle plate standard-sized sheet of another embodiment of steel ball coal-grinding amount conveying control device of the present utility model
Depending on structural representation；
Fig. 6 is the perspective structure schematic diagram when embodiment baffle plate in Fig. 5 is fully closed；
Fig. 7 is the cross section structure diagram at D-D in Fig. 6；
Fig. 8 is the cross section structure diagram at E-E in Fig. 7.
In Fig. 1 into Fig. 8：1 coal dust main pipe；2 connecting seats；3 fixed covers；4 rotating shafts；5 duff pipe roads；6 locating rods；7 screw threads
Knob；8 baffle plates；801 paw plates；802 integral slabs；9 plectrums；10 arcuate sockets；11 driving levers；12 angle indexs；13 through holes；14 connections
Side.
Embodiment
Referring to figs. 1 to Fig. 4, embodiment of the present utility model proposes a kind of steel ball coal-grinding amount conveying control device, for controlling
Coal dust conveying capacity in the multiple duff pipe roads 5 connected in coal dust main pipe 1 processed, including：Multiple connecting seats 2, the and of multiple fixed covers 3
Rotating shaft 4；Multiple connecting seats 2 are symmetrically fixedly connected in the side wall of coal dust main pipe 1, one end and the coal dust main pipe 1 of each connecting seat 2
Inner side be connected, the opening of the other end is provided with connection side 14；On each end of fixed cover 3 and the opening of connecting seat 2
Connection side 14 is connected；The rolling assembling of rotating shaft 4 is between two side walls of fixed cover 3, rotating shaft 4 and the axis phase of coal dust main pipe 1
Vertically, baffle plate 8 is fixedly connected with rotating shaft 4, the outside of the side wall of fixed cover 3 is stretched out at least one end of rotating shaft 4, and rotating shaft 4 is stretched
Go out on end and be fixedly connected with plectrum 9.
In the embodiment above, there are three defeated powder the equal height position at the top of coal dust main pipe 1 around the axis of coal dust main pipe 1
Pipeline 5, in the equal height of the outside circumference of coal dust main pipe 1, there are three connecting seats 2 around the axis of coal dust main pipe 1, each connection
The underface that seat 2 is all located at its corresponding duff pipe road 5, through hole is provided with the side wall of the coal dust main pipe 1 in each connecting seat 2
13, coal dust main pipe 1 is turned on by through hole 13 and connecting seat 2, and the surrounding of each connecting seat 2 is welded in coal dust main pipe 1, each
Connecting seat 2 is all connected with a fixed cover 3 by connecting side 14, is both provided with turning between two side walls of each fixed cover 3
Axle 4, rotating shaft 4 can be rotatable around its axis, the axis of rotating shaft 4 and the axis perpendicular of coal dust main pipe 1, and baffle plate is welded with rotating shaft 4
8, baffle plate 8 is swung therewith during rotating shaft 4, and baffle plate can swing in coal dust main pipe and breeze airflow is blocked and then adjusted
Into the coal dust amount on each duff pipe road 5, larger to the shielded area of breeze airflow when the horizontal angle of release of baffle plate 8 is smaller, entrance is defeated
The coal dust amount on tube cell road 5 is few, smaller to the shielded area of breeze airflow when the horizontal angle of release of baffle plate 8 is larger, into duff pipe road
5 coal dust amount is big, and the arcuate socket 10 on plectrum 9 is with the collective effect of locating rod 6 in fixed cover 3, limiting the pendulum of baffle plate 8
The scope of dynamic angle, with horizontal sextant angle it is 103 ° during 8 standard-sized sheet of baffle plate, now the conveying capacity on duff pipe road 5 is maximum, and baffle plate 8 is fully closed
When with horizontal sextant angle be 21 °, now the conveying capacity on duff pipe road 5 is minimum, adjustable, rotating shaft 4 in the range of therebetween 82 ° of baffle plate 8
The one end of side wall for stretching out fixed cover 3 is welded with plectrum 9, by stir plectrum 9 can drive shaft 4 rotate, it is easy to operation.This
The steel ball coal-grinding amount conveying control device of utility model, the regulation of baffle plate 8 can be driven to enter each duff pipe road 5 by drive shaft 4
Coal dust amount, reduce the deviation of each coal dust conveying capacity of duff pipe road 5, and then the deviation that each burner provides heat can be reduced, carry
The uniformity of blast furnace hearth thermic load, reduce NOxGrowing amount.
With reference to figure 3, according to one embodiment of the present utility model, arcuate socket 10, the arc of arcuate socket 10 are provided with plectrum 9
The heart is located on the axial line of rotating shaft 4, and locating rod 6 is provided with the lateral wall of fixed cover 3, and locating rod 6 is passed through in arcuate socket 10.
In the embodiment above, plectrum 9 is stirred to drive the baffle plate 8 in rotating shaft 4 one end of locating rod 6 is consolidated when being swung
It is scheduled in fixed cover, by the both ends of arcuate socket 10, the scope of the swing angle of baffle plate 8 can be limited.
With reference to figure 3, according to one embodiment of the present utility model, locating rod 6 is screw rod, and the end thread of locating rod 6 connects
It is connected to screw knob 7.
In the embodiment above, during screw knob 7 on Unscrew, plectrum 9 can be stirred and adjust each duff pipe road 5
Powder delivering amount, after the completion of regulation, the screw knob 7 on screw rod is tightened, plectrum 9 is fixed on fixation by the inner side end of screw knob 7
On lid 3, be advantageous to anti-baffle plate 8 and rotated by the impact of breeze airflow.
With reference to figure 3, according to one embodiment of the present utility model, driving lever 11 is fixedly connected with plectrum 9.
In the embodiment above, the 4 axis rotation around the shaft together of plectrum 9, rotating shaft 4, baffle plate 8 can be made by stirring driving lever 11,
And then the coal dust conveying capacity on each duff pipe road 5 is adjusted, precise manipulation conveniently is also beneficial to while operation, in addition coal dust main pipe 1
In breeze gas flow temperature it is higher, driving lever 11 is fixedly connected with plectrum 9, is advantageous to avoid operating personnel to scald the hair of situation
It is raw.
With reference to figure 3, according to one embodiment of the present utility model, the edge of arcuate socket 10 is provided with angle index 12.
In the embodiment above, when stirring plectrum 9, the baffle plate 8 on arcuate socket 10, rotating shaft 4, rotating shaft 4 on plectrum 9 is together
4 axis rotates around the shaft, and locating rod 6 is fixed in fixed cover 3, do not rotated with plectrum 9, existed by observing locating rod 6
The position of the line of 10 angle index of arcuate socket 12, the rotational angle of baffle plate 8 can be accurately read, is advantageous to further improve each duff pipe
The precision of the coal dust conveying capacity regulation of road 5.
With reference to figure 5 and Fig. 7, according to one embodiment of the present utility model, it is set up in parallel from top to bottom in each fixed cover 3
There are multiple rotating shafts 4, baffle plate 8 has been respectively fixedly connected with each rotating shaft 4, plectrum is connected on the external part of each rotating shaft 4
9。
In the embodiment above, it is set up in parallel two rotating shafts 4 in each fixed cover 3 from top to bottom, can be with each rotating shaft 4
Various forms of baffle plates 8 are welded according to being actually needed, the breeze airflow flow velocity in coal dust main pipe 1 is very fast, and impact is stronger, by each
Cooperation between individual baffle plate 8, to breeze airflow using progressively cutting down, the mode stopped step by step is completed defeated to the coal dust of duff pipe road 5
The regulation for the amount of sending, the service life of baffle plate 8 can be improved, be also beneficial to improve the precision of coal dust conveying capacity regulation.
With reference to figure 5 to Fig. 8, according to one embodiment of the present utility model, baffle plate 8 includes paw plate 801 and integral slab
802, paw plate 801 is fixedly connected in the rotating shaft 4 of the bottom in fixed cover 3, and paw plate 801 includes multiple be set up in parallel
Shape catch, the adjacent bar shaped catch of each two are provided with gap；Integral slab 802 is fixedly connected on the top in fixed cover 3
In rotating shaft 4.
In the embodiment above, the strip-shaped baffle 8 set on paw plate 801 is used for stopping breeze airflow, adjacent bar gear
Gap between plate 8 can allow breeze airflow by, paw plate 801 can be welded with steel plate strip, in order to improve structural strength,
Also can be welded to form with angle steel interval, paw plate 801 is fixedly connected in the rotating shaft 4 of the bottom of fixed cover 3, as at first by coal
The baffle plate 8 of powder gas shock, can be finely adjusted to coal dust conveying capacity, can also slow down in coal dust main pipe 1 flow velocity of breeze airflow and
Impact, reduces integral slab 802 and is worn by breeze airflow, and integral slab 802 can be adjusted into each duff pipe road 5 by a relatively large margin
The effect of coal dust conveying capacity.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (7)
- A kind of 1. steel ball coal-grinding amount conveying control device, it is characterised in that for control connected in coal dust main pipe (1) it is multiple defeated Pulverized coal flow in tube cell road (5), including：Multiple connecting seats (2), multiple connecting seats (2) are symmetrically fixedly connected in the side wall of the coal dust main pipe (1), each With being connected on the inside of the coal dust main pipe (1), the opening of the other end is provided with connection side for one end of the connecting seat (2) (14)；Multiple fixed covers (3), each end of the fixed cover (3) and the connection side (14) in the opening of the connecting seat (2) It is connected；Rotating shaft (4), rotating shaft (4) rolling assembling is between two side walls of the fixed cover (3), the rotating shaft (4) and institute The axis perpendicular of coal dust main pipe (1) is stated, is fixedly connected with baffle plate (8) on the rotating shaft (4), at least the one of the rotating shaft (4) The outside of the side wall of the fixed cover (3) is stretched out at end, and plectrum (9) is fixedly connected with the external part of the rotating shaft (4).
- 2. steel ball coal-grinding amount conveying control device according to claim 1, it is characterised in that set on the plectrum (9) There is arcuate socket (10), the arc core of the arcuate socket (10) is located on the axial line of the rotating shaft (4), outside the fixed cover (3) Locating rod (6) is provided with side wall, the locating rod (6) is passed through in the arcuate socket (10).
- 3. steel ball coal-grinding amount conveying control device according to claim 2, it is characterised in that the locating rod (6) is spiral shell Bar, the end thread of the locating rod (6) are connected with screw knob (7).
- 4. steel ball coal-grinding amount conveying control device according to claim 3, it is characterised in that fixed on the plectrum (9) It is connected with driving lever (11).
- 5. steel ball coal-grinding amount conveying control device according to claim 3, it is characterised in that the side of the arcuate socket (10) Edge is provided with angle index (12).
- 6. steel ball coal-grinding amount conveying control device according to any one of claim 1 to 5, it is characterised in that Mei Gesuo State in fixed cover (3) and be set side by side with multiple rotating shafts (4) from top to bottom, one has been respectively fixedly connected with each rotating shaft (4) The individual baffle plate (8), each it is connected to a plectrum (9) on the external part of the rotating shaft (4).
- 7. steel ball coal-grinding amount conveying control device according to claim 6, it is characterised in that the baffle plate (8) includes referring to Claw-plate (801) and integral slab (802), the paw plate (801) are fixedly connected on the rotating shaft of the bottom in the fixed cover (3) (4) on, the paw plate (801) includes the multiple bar shaped catch being set up in parallel, and the adjacent bar shaped catch of each two is set It is equipped with gap；The integral slab (802) is fixedly connected in the rotating shaft (4) on the top in the fixed cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600524.3U CN206905020U (en) | 2017-05-26 | 2017-05-26 | A kind of steel ball coal-grinding amount conveying control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600524.3U CN206905020U (en) | 2017-05-26 | 2017-05-26 | A kind of steel ball coal-grinding amount conveying control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206905020U true CN206905020U (en) | 2018-01-19 |
Family
ID=61285804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600524.3U Expired - Fee Related CN206905020U (en) | 2017-05-26 | 2017-05-26 | A kind of steel ball coal-grinding amount conveying control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206905020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228373A (en) * | 2017-05-26 | 2017-10-03 | 中国大唐集团科学技术研究院有限公司西北分公司 | A kind of steel ball coal-grinding amount transport control system |
-
2017
- 2017-05-26 CN CN201720600524.3U patent/CN206905020U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228373A (en) * | 2017-05-26 | 2017-10-03 | 中国大唐集团科学技术研究院有限公司西北分公司 | A kind of steel ball coal-grinding amount transport control system |
| CN107228373B (en) * | 2017-05-26 | 2023-12-01 | 中国大唐集团科学技术研究院有限公司西北分公司 | Steel ball coal grinding quantity conveying control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204892020U (en) | Ball mill of making an uproar falls in energy -conservation | |
| CN206905020U (en) | A kind of steel ball coal-grinding amount conveying control device | |
| CN205590615U (en) | Integrated form carbonization system | |
| CN211636436U (en) | Zirconium tetrachloride fused salt purification melting device | |
| CN107228373A (en) | A kind of steel ball coal-grinding amount transport control system | |
| CN207667803U (en) | A kind of device for improving separator for coal mill outlet pulverized coal fineness | |
| CN207062355U (en) | A kind of natural heat dissipation device for magnesium method titanium sponge production | |
| CN214390605U (en) | Static radial separator of coal mill capable of realizing on-line remote adjustment of coal powder fineness | |
| CN204063103U (en) | Living beings melt aluminium stove feeding mechanism | |
| CN203342874U (en) | Online adjusting air guiding device for vertical mill | |
| CN205413189U (en) | Powder process device | |
| CN212396994U (en) | System for increasing output of medium-speed coal mill by pre-drying coal feeding | |
| CN208260886U (en) | A kind of guiding wimble device for medium-speed pulverizer | |
| CN207667802U (en) | A kind of separator for coal mill outlet coal powder density or fineness on-line tuning device | |
| CN210862171U (en) | Roasting device for preparing oxide material by one-step method | |
| CN208542339U (en) | A kind of efficient coal-grinding, coal powder injection all-in-one machine | |
| CN208606594U (en) | A kind of charging hole device for metallurgical furnace | |
| CN206488639U (en) | Clinker line grate-cooler hot blast regulating system | |
| CN206208013U (en) | A kind of lithium ion battery negative material preparation tube furnace | |
| CN101205470B (en) | Gas flow adjusting means for coke dry quenching | |
| CN205504005U (en) | Balanced device of buggy | |
| CN208067318U (en) | A kind of burner, ladle baking facility and ladle preheating system | |
| CN219135750U (en) | Automatic balancing device | |
| CN209399767U (en) | A kind of mineral hot furnace discaling roll type transmission revolving top | |
| CN215610674U (en) | Pellet dosing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20180526 |