CN207376096U - The raw material for reducing vanadium ilmenomagnetite prepares drying system - Google Patents
The raw material for reducing vanadium ilmenomagnetite prepares drying system Download PDFInfo
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- CN207376096U CN207376096U CN201720333727.0U CN201720333727U CN207376096U CN 207376096 U CN207376096 U CN 207376096U CN 201720333727 U CN201720333727 U CN 201720333727U CN 207376096 U CN207376096 U CN 207376096U
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- Prior art keywords
- drying machine
- belt
- ilmenomagnetite
- feed bin
- feed
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- 238000001035 drying Methods 0.000 title claims abstract description 72
- 239000002994 raw material Substances 0.000 title claims abstract description 21
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 18
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000009826 distribution Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 27
- 238000002156 mixing Methods 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 229910052742 iron Inorganic materials 0.000 description 13
- 239000012141 concentrate Substances 0.000 description 12
- 239000008188 pellet Substances 0.000 description 8
- 239000002817 coal dust Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model is related to a kind of raw materials for reducing vanadium ilmenomagnetite to prepare drying system, including feed bin (1), the first drying machine (2), Weightlessness balance (3), screw conveyor (4), mixer (5), high-pressure ball press (6) and the second drying machine (7).Feeding-distribution device (8) is equipped in feed bin (1), the first drying machine (2) is connected with a discharge bucket (13), and belt conveyer scale (21) is equipped with below the first drying machine (2)；Weightlessness balance (3) is connected with another discharge bucket (13)；Screw conveyor (4) connects respectively with belt conveyer scale (21) and Weightlessness balance (3)；Mixer (5) is connected with intermediate bin, and equipped with feed pipe (51)；High-pressure ball press (6) is connected with mixer (5)；Second drying machine (7) is connected with high-pressure ball press (6).This connection mode so that feed bin (1) blanking is more uniform, reduces the impact to the first drying machine (2) and Weightlessness balance (3), while so that batch mixing is more uniform.
Description
Technical field
The utility model is related to a kind of drying system more particularly to a kind of raw material preparations of effective reduction vanadium ilmenomagnetite
Drying system.
Background technology
At present, in vanadium titano-magnetite vanadium the rate of recovery 47%, the TiO2 of half or so enters iron ore concentrate in raw ore, passes through burning
Knot or pelletizing, blast furnace process, into blast furnace slag, TiO2 contents 20%~26% therein are (flat for the titanium overwhelming majority in iron ore concentrate
About 23%), it is known as high-titanium blast furnace slag, about 3,500,000 t of annual output.But the Land use systems of clinker are extensive at this stage, wherein most
Titanium elements with economic value do not obtain effective recycling.
It is higher due to the use of being worth for the clinker after v-bearing titanomagnetite smelting, it is found by the applicant that by shaft kiln directly reduced
Technique can effectively improve the comprehensive utilization ratio of vanadium and titanium resources in clinker, and the main flow of the technology is through belt by Iron concentrate
It after transport, send to raw material processing system and is dried, the Iron concentrate after drying enters material dosing bin.Anthracite is milled with ball mill
Afterwards, it is delivered to feed bin.Coal dust melts the coal dust that point stove needs, and is gone over by the direct Geldart-D particle of coal dust feed bin.Iron concentrate and coal dust claim
After weight, binding agent is added in, mixing is carried out in batch mixer, by the cooled agglomerated pellet of high-pressure ball press supporting ellipse shape, direct
It send and is reduced into shaft furnace.
In the prior art due to Iron concentrate and coal dust before combination, it is respectively stored in different feed bins, and Iron concentrate
Mobility is preferable, and batch mixer can be caused to impact in dispensing, easily causes the stuck influence normal use of motor.And Iron concentrate and coal
The inaccuracy of weighing of powder, can also influence entire technique.It is only mixed simultaneously by batch mixer, often causes Iron concentrate and coal dust
Proportioning is uneven, and just at once with bonding agent mixing, influencing entire cooled agglomerated pellet, the reaction was complete in shaft furnace, causes certain wave
Take, improve cost.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of raising conversion ratio, the reduction vanadium effectively reduced cost
The raw material of ilmenomagnetite prepares drying system.
Technical solution is used by the utility model solves its technical problem：It is prepared by the raw material for reducing vanadium ilmenomagnetite
Drying system, including：
Feed bin, the feed bin top are tubular structure, and lower part is back taper discharge bucket, and feeding-distribution device is provided in feed bin,
Feeding-distribution device is hollow cone, and centrum bottom surface is outward extended with the supporting rod of several Telescopic rod structures, and supporting rod outer end with
Feed bin inner wall connects, and the feed bin quantity is 2；
First drying machine, the first drying machine upper end feed inlet are connected with a feed bin lower end, and first drying machine
For Belt Conveying, and belt conveyer scale is provided with below discharge end；
Weightlessness balance, the Weightlessness balance feed inlet are connected with another feed bin lower end discharge port；
Screw conveyor, the screw conveyor upper end are arranged at intervals with feed inlet, the feed inlet respectively with belt conveyer scale
It is connected with the discharge port of Weightlessness balance；
Mixer, the mixing machine inlet is connected with intermediate bin, and upper end is additionally provided with feed pipe；
High-pressure ball press, the high-pressure ball press feed inlet are connected with mixer discharge port；
Second drying machine, second drying machine convey for crawler belt, and upper end is connected with high-pressure ball press discharge port.
Wherein, the first drying machine and the second drying machine are microwave dryer in above device.
Wherein, in above device electromagnet is provided at the top of the first drying machine feed end belt and separate feed inlet.
Further, spring, striker plate and adjusting nut are further included in above device, the striker plate is arranged on the first drying
The top of machine feed end belt and at the feed inlet, and striker plate is provided at both ends with jack, is set in the rack on the outside of belt
There is the threaded positioning pin in top, spring, striker plate and adjusting nut are sequentially sleeved on positioning pin.
Further, striker plate described in above device is arcuate structure, and opening direction is opposite with belt direction of travel.
Wherein, feeding-distribution device described in above device is arranged on discharge bucket middle and lower part.
Wherein, feed bin inner wall described in above device is provided with the longitudinal chute being adapted to supporting rod and cross-brace ring,
And the support ring is arranged at intervals in the longitudinal direction and is cross-linked with sliding slot.
Wherein, baffle is hinged on the upside of above device mesohigh ball press discharge port, and torsion is arranged on the articulated shaft
Spring.
The beneficial effects of the utility model are：The present apparatus can be controlled effectively in raw material by the setting of two drying machines
Moisture, and be provided with feeding-distribution device in feed bin and can cause material even drop down, reduce the impact to lower end equipment so that whole
A system operation is more steady；Passing through screw conveyor and mixer batch mixing twice simultaneously so that material mixing is more uniform,
Screw conveyor upper end is provided with belt conveyer scale and Weightlessness balance, can be accurately controlled the proportioning of two kinds of materials, meets it follow-up
Process requirements.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is structure enlargement diagram at I in the utility model Fig. 1；
Fig. 3 is structure enlargement diagram at II in the utility model Fig. 1；
Fig. 4 is the utility model backgauge plate structure schematic diagram；
Fig. 5 is the utility model feeding-distribution device structure diagram；
Fig. 6 is the utility model feeding-distribution device overlooking the structure diagram；
Fig. 7 is structure enlargement diagram at III in the utility model Fig. 6.
In figure mark for：1 is feed bin, and 11 be sliding slot, and 12 be support ring, and 13 be discharge bucket, and 2 be the first drying machine, and 21 are
Belt conveyer scale, 22 be spring, and 23 be adjusting nut, and 24 be positioning pin, and 3 be Weightlessness balance, and 4 be screw conveyor, and 5 be mixer, and 6 are
High-pressure ball press, 62 be baffle, and 7 be the second drying machine, and 8 be feeding-distribution device, and 81 be supporting rod, and 9 be electromagnet, and 10 be backgauge
Plate.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and detailed description.
According to Fig. 1 to Fig. 7, the raw material of the reduction vanadium ilmenomagnetite of the utility model prepares drying system, including：
Feed bin 1,1 top of feed bin are tubular structure, and lower part is back taper discharge bucket 13, and sub-material is provided in feed bin 1
Device 8, feeding-distribution device 8 are hollow cone, and centrum bottom surface is outward extended with the supporting rod 81 of several Telescopic rod structures, and supports
81 outer end of bar is connected with 1 inner wall of feed bin, and 1 quantity of feed bin is 2；
First drying machine 2, the 2 upper end feed inlet of the first drying machine are connected with 1 lower end of a feed bin, and first drying
Machine 2 is Belt Conveying, and is provided with belt conveyer scale 21 below discharge end；
Weightlessness balance 3,3 feed inlet of Weightlessness balance are connected with another 1 lower end discharge port of feed bin；
Screw conveyor 4,4 upper end of screw conveyor are arranged at intervals with feed inlet, the feed inlet respectively with belt
Scale 21 is connected with the discharge port of Weightlessness balance 3；
Mixer 5,5 feed inlet of mixer is connected with intermediate bin, and upper end is additionally provided with feed pipe 51；
High-pressure ball press 6,6 feed inlet of high-pressure ball press are connected with 5 discharge port of mixer；
Second drying machine 7, second drying machine 7 convey for crawler belt, and upper end is connected with 6 discharge port of high-pressure ball press.This
For field technology personnel, it is understood that feed bin 1 is located at the top of the first drying machine 2 and Weightlessness balance 3, belt conveyer scale 21 is located at first
The lower section of 2 discharge end of drying machine, and screw conveyor 4 is located at the lower section of belt conveyer scale 21 and Weightlessness balance 3, the feed inlet of mixer 5
Positioned at the lower section of 4 discharge port of screw conveyor, the feed inlet of high-pressure ball press 6 is located at the lower section of 5 discharge port of mixer, drying machine
Feed end be located at the lower section of 6 discharge port of high-pressure ball press.The first drying machine 2 in the present apparatus and the second drying machine 7 simultaneously
Structure is identical, and simply the material of conveyer belt is different.Drying machine lower part used in the present apparatus uses belt conveying, and conveyer belt
Middle and upper part be provided with heat riser, by rotating conveyer belt come continuous drying material.The present apparatus is set by two drying machines
The moisture that can effectively control in raw material is put, and is provided with feeding-distribution device 8 in feed bin 1 to cause material even drop down, is subtracted
The small impact to lower end equipment so that whole system operation is more steady, due to the Iron concentrate and the mobility of coal dust in raw material
It is different, can further preferably only feeding-distribution device 8 be provided in the feed bin 1 of Iron concentrate；While it by screw conveyor 4 and mixes
The batch mixing twice of conjunction machine 5 so that material mixing is more uniform, and 4 upper end of screw conveyor is provided with belt conveyer scale 21 and Weightlessness balance 3,
The proportioning of two kinds of materials can be accurately controlled, it is made to meet subsequent technique demand.The further preferred supporting rod 81 of the present apparatus is
Telescopic rod structure, and spring is provided in outer tube, pressing inner tube can realize the flexible of supporting rod 81, be placed on feed bin 1
It is interior, it may be such that and be fixed in the tubular structure on 1 top of feed bin, be also securable in discharge bucket 13, can carry out according to actual needs
It adjusts.Further preferred mixer 5 is planet-style wheel roller mixer 5.
Preferably, the first drying machine 2 and the second drying machine 7 are microwave dryer in above device.People in the art
Member is, it is understood that due to, and common drying machine or baking higher to the moisture requirement in raw material using reduction shaft furnace technique
Outside can only be dried in dry machine, and internal raw material can not be dried.And microwave dryer directly using microwave into
Row dried material, can be fully fully dry to Iron concentrate or cooled agglomerated pellet from the inside to the outside, therefore the present apparatus is simply further preferred
Above-mentioned heat riser that is to say using microwave generator by being powered to reach dried material to magnetron, therefore the present apparatus is preferred
First drying machine 2 and the second drying machine 7 use microwave dryer.
Preferably, in above device electromagnetism is provided at the top of 2 feed end belt of the first drying machine and separate feed inlet
Iron 9.It will be appreciated to those of skill in the art that since the first drying machine 2 uses Belt Conveying, therefore be provided with above belt
Electromagnet 9 can effectively remove the impurity in material.When being heated to material, it is possible to prevente effectively from these impurity are heated
Temperature raises, and damages belt.
Preferably, spring 22, striker plate 10 and adjusting nut 23 are further included in above device, the striker plate 10 is arranged on
The top of first drying machine, 2 feed end belt and at the feed inlet, and striker plate 10 is provided at both ends with jack, on the outside of belt
The threaded positioning pin 24 in top is provided in rack, spring 22, striker plate 10 and adjusting nut 23 are sequentially sleeved at positioning pin
On 24.It will be appreciated to those of skill in the art that the material of 1 lower end of feed bin is directly fallen on the belt of the first drying machine 2
Material thickness can be caused uneven, cannot be fully dried by the first drying machine 2.Therefore the present apparatus is further preferably on belt
Side is provided with striker plate 10, realizes that the thickness of material is uniform by adjusting the spacing of striker plate 10 and belt, striker plate 10 and
Electromagnet 9 should be set gradually along belt direction of travel, and further preferred striker plate 10 is provided at both ends with jack, on the outside of belt
The positioning pin 24 of adaptation is provided in rack, and 24 top of the positioning pin is provided with screw thread, spring 22, striker plate 10 and adjusting
Nut 23 is sequentially sleeved on positioning pin 24.By turning locking nut 23, under spring force, so that it may adjust striker plate 10
With the spacing of belt, actually use easier.
Preferably, striker plate 10 described in above device is arcuate structure, and opening direction is opposite with belt direction of travel.
It will be appreciated to those of skill in the art that it is arcuate structure that the present apparatus, which is further preferred striker plate 10, backgauge is added
The intensity of plate 10, while extra material can also be concentrated to the middle part with striker plate 10.It can the further preferred inside of striker plate 10
It is obliquely installed so that material is continuously fallen on belt, while material is avoided to be adhered on striker plate 10.
Preferably, feeding-distribution device 8 described in above device is arranged on 13 middle and lower part of discharge bucket.Those skilled in the art can
Understand, since the first drying machine of the present apparatus 2 is using Belt Conveying, the feed bin 1 being connected with 2 upper end of the first drying machine is in blanking
When, material can be acted directly on belt, and since the mobility of material is preferable, it can be directly to the first drying machine 2 when falling
Belt cause to impact, influence the normal operation of belt.Feeding-distribution device 8 is further preferably arranged on 1 lower part of feed bin by the present apparatus
Discharge bucket 13 middle and lower part so that material directly drops down onto belt under the gap of feeding-distribution device 8 and inner wall, substantially reduces punching
It hits so that the first drying machine 2 runs more steady.
Preferably, the inner wall of feed bin 1 described in above device is provided with the longitudinal chute 11 and transverse direction being adapted to supporting rod 81
Support ring 12, and the support ring 12 is arranged at intervals in the longitudinal direction and is cross-linked with sliding slot 11.Those skilled in the art can
Understand, when feed bin 1 is fed, material can directly impact 1 wall of feed bin, cause the vibration of feed bin 1 and blanking uneven.The present apparatus into
One step preferably states 1 inner wall of feed bin and is provided with the longitudinal chute 11 being adapted to supporting rod 81 and cross-brace ring 12, and the support
Ring 12 is arranged at intervals in the longitudinal direction and is cross-linked with sliding slot 11.And feeding-distribution device 8 is slided in sliding slot 11, make it vertical in rotation
To being fixed in support ring 12 so that material drops from feeding-distribution device 8 and the gap of 1 inner wall of feed bin, and blanking is more uniform.
Preferably, baffle 62 is hinged on the upside of 6 discharge port of above device mesohigh ball press, and is arranged on the articulated shaft
There is torsional spring.It will be appreciated to those of skill in the art that since the discharging end position of high-pressure ball press 6 is higher than the second drying machine 7,
And material is out ellipticity cooled agglomerated pellet by high-pressure ball press 6, and the second drying machine 7 is conveyed using crawler belt, cooled agglomerated pellet
It can directly fall on crawler belt, influence its normal work.The present apparatus is hinged further preferably on the upside of 6 discharge port of high-pressure ball press
There is baffle 62, and torsional spring is further provided on hinge shaft.When falling, cooled agglomerated pellet can directly connect cooled agglomerated pellet with baffle 62
It touches, and baffle 62 is rushed open, simultaneously because the effect of baffle 62 can reduce the speed of cooled agglomerated pellet, and then reduce and crawler belt is rushed
It hits.
Claims (8)
1. the raw material for reducing vanadium ilmenomagnetite prepares drying system, it is characterised in that including：
Feed bin (1), feed bin (1) top are tubular structure, and lower part is back taper discharge bucket (13), is provided in feed bin (1)
Feeding-distribution device (8), feeding-distribution device (8) are hollow cone, and centrum bottom surface is outward extended with the supporting rod of several Telescopic rod structures
(81), and supporting rod (81) outer end is connected with feed bin (1) inner wall, and feed bin (1) quantity is 2；
First drying machine (2), the first drying machine (2) upper end feed inlet are connected with a feed bin (1) lower end, and described first dry
Dry machine (2) is Belt Conveying, and is provided with belt conveyer scale (21) below discharge end；
Weightlessness balance (3), Weightlessness balance (3) feed inlet are connected with another feed bin (1) lower end discharge port；
Screw conveyor (4), screw conveyor (4) upper end are arranged at intervals with feed inlet, the feed inlet respectively with belt
Scale (21) is connected with the discharge port of Weightlessness balance (3)；
Mixer (5), mixer (5) feed inlet is connected with intermediate bin, and upper end is additionally provided with feed pipe (51)；
High-pressure ball press (6), high-pressure ball press (6) feed inlet are connected with mixer (5) discharge port；
Second drying machine (7), second drying machine (7) convey for crawler belt, and upper end is connected with high-pressure ball press (6) discharge port.
2. the raw material of reduction vanadium ilmenomagnetite prepares drying system as described in claim 1, it is characterised in that：First drying
Machine (2) and the second drying machine (7) are microwave dryer.
3. the raw material of reduction vanadium ilmenomagnetite prepares drying system as claimed in claim 1 or 2, it is characterised in that：First
Electromagnet (9) is provided at the top of drying machine (2) feed end belt and separate feed inlet.
4. the raw material of reduction vanadium ilmenomagnetite prepares drying system as claimed in claim 3, it is characterised in that：Further include bullet
Spring (22), striker plate (10) and adjusting nut (23), the striker plate (10) are arranged on the first drying machine (2) feed end belt
Top and at the feed inlet, striker plate (10) are provided at both ends with jack, and it is threaded to be provided with top in the rack on the outside of belt
Positioning pin (24), spring (22), striker plate (10) and adjusting nut (23) are sequentially sleeved on positioning pin (24).
5. the raw material of reduction vanadium ilmenomagnetite prepares drying system as claimed in claim 4, it is characterised in that：The backgauge
Plate (10) is arcuate structure, and opening direction is opposite with belt direction of travel.
6. the raw material of reduction vanadium ilmenomagnetite prepares drying system as described in claim 1, it is characterised in that：The sub-material
Device (8) is arranged on discharge bucket (13) middle and lower part.
7. the raw material of reduction vanadium ilmenomagnetite prepares drying system as described in claim 1, it is characterised in that：The feed bin
(1) inner wall is provided with the longitudinal chute (11) being adapted to supporting rod (81) and cross-brace ring (12), and the support ring (12)
It is arranged at intervals in the longitudinal direction and is cross-linked with sliding slot (11).
8. the raw material of reduction vanadium ilmenomagnetite prepares drying system as described in claim 1, it is characterised in that：High pressure pressure ball
Baffle (62) is hinged on the upside of machine (6) discharge port, and torsional spring is arranged on the articulated shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720333727.0U CN207376096U (en) | 2017-03-31 | 2017-03-31 | The raw material for reducing vanadium ilmenomagnetite prepares drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720333727.0U CN207376096U (en) | 2017-03-31 | 2017-03-31 | The raw material for reducing vanadium ilmenomagnetite prepares drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207376096U true CN207376096U (en) | 2018-05-18 |
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ID=62297500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720333727.0U Active CN207376096U (en) | 2017-03-31 | 2017-03-31 | The raw material for reducing vanadium ilmenomagnetite prepares drying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207376096U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732979A (en) * | 2019-01-22 | 2019-05-10 | 江苏飞达环保科技有限公司 | A kind of steel production dirt mud cold moudling device |
| CN109760362A (en) * | 2019-01-18 | 2019-05-17 | 江苏久华环保科技股份有限公司 | A kind of steel production dirt mud recovery and processing system |
-
2017
- 2017-03-31 CN CN201720333727.0U patent/CN207376096U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109760362A (en) * | 2019-01-18 | 2019-05-17 | 江苏久华环保科技股份有限公司 | A kind of steel production dirt mud recovery and processing system |
| CN109732979A (en) * | 2019-01-22 | 2019-05-10 | 江苏飞达环保科技有限公司 | A kind of steel production dirt mud cold moudling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Panzhihua Gewu Technology Co.,Ltd. Assignor: PANZHIHUA University Contract record no.: X2024980005911 Denomination of utility model: Raw material preparation and drying system for reducing vanadium titanium ferromagnetic iron ore Granted publication date: 20180518 License type: Common License Record date: 20240517 |
|
| EE01 | Entry into force of recordation of patent licensing contract |