CN208878726U - A kind of crushing and screening recycling processing unit for blast furnace ironmaking steel slag - Google Patents
A kind of crushing and screening recycling processing unit for blast furnace ironmaking steel slag Download PDFInfo
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- CN208878726U CN208878726U CN201821642369.2U CN201821642369U CN208878726U CN 208878726 U CN208878726 U CN 208878726U CN 201821642369 U CN201821642369 U CN 201821642369U CN 208878726 U CN208878726 U CN 208878726U
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- steel slag
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Abstract
The utility model discloses a kind of crushing and screenings for blast furnace ironmaking steel slag to recycle processing unit, including rack, the frame top is equipped with feeding assembly, disruption elements are connected to below the feeding assembly, Screen assemblies are connected to below the disruption elements, the Screen assemblies, which are connected to, recycles processing component and dust removal assembly.A kind of crushing and screening for blast furnace ironmaking steel slag of the utility model recycles processing unit, pass through disruption elements and the Screen assemblies of multistage, slag crushing is sieved as different brackets, facilitate the later period recycling make steel or he use, dust removal assembly reduces the air pollution that removal process generates, the micronic dust shape steel slag for recycling processing component to will be unable to recycle is made into fine steel needle and is added in concrete, uses as novel high-strength concrete.
Description
Technical field
The utility model relates to a kind of crushing and screening devices, and in particular to a kind of crushing and screening of blast furnace ironmaking steel slag is sharp again
Use processing unit.
Background technique
Steel slag is the byproduct of steel industry, with the development of steel industry, has many steel slags to generate every year, its heap
Abandoning does not only take up a large amount of soils, pollution ambient enviroment, also causes the waste of resource, very not to environmental protection and circular economy
Benefit, currently, being most directly exactly to heat steel slag after treatment there are many Technology of Steel Slag Processing, with equipment such as loading machine, power shovels
Excavation entrucking is carried out, then is transported to Dumping Sites, the stockpiling of steel slag does not only take up a large amount of arable lands, pollution environment, and in steel slag also
The steel raw material of recyclable 7 ~ 15%, it usually needs process the steel slag of recycling, then pass through the process such as crushing, screening, magnetic separation
After carry out recycling steel slag that can make smelting solvent, slag cement, building aggregate, agricultural fertilizer and soil conditioner after processing
Deng therefore, the processing and comprehensive utilization of steel slag can produce huge economic and social benefit, in the clinker of carbon steel steelmaking factory
In processing technique, since the magnetism of carbon steel is stronger, the mode that magnetic separation after being first crushed is generallyd use to clinker is carried out, still, due to
Metallic particles magnetism in stainless steel clinker is not strong, even without magnetism, only by the mode of magnetic separation can not by metallics and
Clinker ontology is sufficiently separated, number of patent application 201310220422.5, a kind of entitled invention of steel slag Treatment technique for processing
Patent discloses primary dcreening operation, four magnetic separation, broken and rod milling technique handle the useful metal in screening steel slag, but the technique without
The non magnetic steel slag of method Effective selection, is not suitable for the screening of stainless steel-making steel slag.And the technique is walked using more magnetic separation
Suddenly, the material filtered out repeatedly returns to magnetic separation, needs more magnetic plant and conveying equipment, complicated for operation, and electricity consuming is larger,
High production cost.
Summary of the invention
Goal of the invention: the purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of for blast furnace ironmaking
The crushing and screening of steel slag recycles processing unit, is easy to use.
A kind of technical solution: crushing and screening recycling processing dress for blast furnace ironmaking steel slag described in the utility model
It sets, including rack, the frame top is equipped with feeding assembly, and disruption elements are connected to below the feeding assembly, described broken
Screen assemblies are connected to below component, the Screen assemblies, which are connected to, recycles processing component and dust removal assembly, the charging
Component includes feed hopper, and centre is equipped with the first driving motor in the feed hopper, and the output shaft of first driving motor is set
There is agitating plate, the disruption elements include the second driving motor that machine frame inside is fixed on by crossbeam, the second driving electricity
Frame inner wall is equipped with load-bearing ring flat-plate above machine, and load-bearing ring flat-plate inner edge is connected with breaking tank, if the breaking tank inner wall is equipped with
Dry cutter, the breaking tank inner wall are located at the groove being equipped with below cutter for steel slag guiding, and the cutter are front end
Rectangular-shape cutter block equipped with curve blade, the angle between the axial direction and horizontal plane of the cutter are 5 ° ~ 15 °, institute
State groove be triangular shape and its coincide with cutter on one side, the curved downward transition in another both sides simultaneously crosses, the cutter ring around
Breaking tank inner wall is equipped with 15 ~ 20 and arranges, the curvilinear arrangement from top to bottom of each column cutter, is rotatably equipped in the breaking tank
Broken cylinder, the broken drum outer wall is symmetrically equipped with 2 ~ 4 column block compatible with cutter along its generatrix direction, described broken
Drum outer wall is equipped with several material spilling holes, and the broken cylinder bottom is equipped with cone-shaped hood, is equipped with third driving motor, institute in the cone-shaped hood
The output shaft for stating third driving motor is connected with gyro disk for keeping balance, the breaking tank inner wall and broken drum outer wall it
Between be equipped with gap for material leakage, the broken trench bottom sets scalping Dropbox, and the output shaft of second driving motor passes through thick
Screen disc is connected to broken cylinder bottom center by Hooks coupling universal coupling.
The rack is located at the sound-proof material 44 being equipped at breaking tank periphery for noise reduction, and the agitating plate is surface curvature
Acute angle set square.
It is articulated with flexible damper rod one end at the top of the cone-shaped hood, the flexible damper rod other end is articulated with rack top
Portion.
The frame top is equipped with several water tanks, and pressure steaming device is equipped in the water tank, and the pressure steaming device is connected to spray
Gas head, the jet direction of the jet thrust is towards between breaking tank inner wall and broken drum outer wall.
The Screen assemblies include the 4th driving motor that machine frame inside is fixed on by crossbeam, the 4th driving motor
Output shaft be coaxially connected with centrifugal column, the centrifugal column is from top to bottom connected with several sieve units, the sieve unit packet
Include the ratcheting rotary table for being connected to centrifugal column, the ratcheting rotary table is connected with fine screen Dropbox, and each fine screen Dropbox is from top to bottom
Sieve diameter is gradually reduced, and the frame inner wall is equipped with the annular plate for accepting steel slag below fine screen Dropbox edge,
The annular plate is equipped with the flange for anti-spillage, and the annular plate is obliquely installed and its lowest part is equipped with steel slag discharge port, institute
It states steel slag discharge port and is communicated with steel slag material storing box.
The sieve diameter of the fine screen Dropbox of the top is 0.8 ~ 1.2cm, the sieve that the fine screen Dropbox of the bottom is
Bore dia is 0.15 ~ 0.05cm, and steel slag material storing box upper surface is equipped with venthole, and the steel slag material storing box side wall is equipped with resistance
Baker, the centrifugation column bottom are connected to flexible compensation bearing, and the flexible compensation bearing is connected in rack by crossbeam
Wall.
Plate-and-chain conveyer is equipped with below the fine screen Dropbox of the bottom, among the plate-and-chain conveyer upper layer and lower layer plate chain
Position is equipped with electromagnet, and the discharge port of the plate-and-chain conveyer side is equipped with the scraper plate for scraping steel slag particle, the scraper plate
Top is equipped with the air blower for blowing off clinker impurity, and the scraper plate is by adjusting bolted splice in frame side wall.
The recycling processing component includes the steel slag particulate storage case for being connected to plate-and-chain conveyer discharge port, the steel slag
Particulate storage box top is equipped with vortex electromagnetic heater, and the steel slag particulate storage bottom portion is densely covered with wire drawing through-hole, the steel
Slag particulate storage bottom portion is connected to cooling bay, is equipped with vacuum pump above the cooling bay, the recycling processing component also connects
It is connected to concrete mixer.
The exhausting inlet end of the dust removal assembly is connected to steel slag particulate storage box top, and the exhausting inlet end passes through U
Type ceramic tube is connected to cooling cartridge, and the cooling cartridge bottom is equipped with water storage tank, and the water storage tank is connected with spray system, the spray
The ejection end of leaching system is set at the top of cooling cartridge, and the cooling cartridge bottom sidewall is communicated with dust-filtering by unidirectional scavenging air valve
Cylinder, the dust-filtering cylinder are equipped with silk floss filter layer, activated carbon filter layer, photocatalyst filter layer and pressurization outlet from the bottom to top
Device.
The photocatalyst filter layer includes helical stent, and the helical stent surface is coated with photocatalyst layer, described
The radius of spin of helical stent is in taper shape from the bottom to top.
The utility model has the advantages that a kind of crushing and screening for blast furnace ironmaking steel slag of the utility model recycles processing unit, lead to
The Screen assemblies for crossing disruption elements and multistage, slag crushing sieve the recycling steel-making for facilitating the later period for different brackets or
He uses, and the micronic dust shape steel slag that can not be recycled is made into fine steel needle and is added in concrete, uses as novel high-strength concrete.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model breaking tank；
Fig. 3 is the structural schematic diagram that the utility model is crushed cylinder；
Fig. 4 is the structural schematic diagram of the utility model cutter.
Specific embodiment
Technical solutions of the utility model are described in detail below, but the protection scope of the utility model is not limited to
The embodiment.
As shown in Figures 1 to 4, a kind of crushing and screening for blast furnace ironmaking steel slag of the utility model recycles processing dress
It sets, including rack 1, feeding assembly is equipped at the top of rack 1, disruption elements are connected to below feeding assembly, are connected below disruption elements
Screen assemblies are passed through, Screen assemblies are connected to recycling processing component and dust removal assembly, feeding assembly include feed hopper 2, into
Centre is equipped with the first driving motor 3 in hopper 2, and the output shaft of the first driving motor 3 is equipped with agitating plate 4, and disruption elements include
It is fixed on the second driving motor 5 inside rack 1 by crossbeam, 1 inner wall of methods, rack is equipped with load-bearing ring flat-plate on the second driving motor 5
6,6 inner edge of load-bearing ring flat-plate is connected with breaking tank 7, and 7 inner wall of breaking tank is equipped with several cutter 8, and 7 inner wall of breaking tank is located at cutter
8 lower sections are equipped with the groove 45 for steel slag guiding, and cutter 8 are the rectangular-shape cutter block that front end is equipped with curve blade, cutter 8
Axial direction and horizontal plane between angle be 5 ° ~ 15 °, groove 45 be triangular shape and its coincide with cutter 8 on one side, another two
The curved downward transition in side simultaneously crosses, and cutter 8 are equipped with 15 ~ 20 column around 7 inner wall of breaking tank, and each column cutter 8 are from top to bottom
Curvilinear arrangement, is rotatably equipped with broken cylinder 9 in breaking tank 7, and broken 9 outer wall of cylinder is symmetrically equipped with 2 along its generatrix direction ~
4 column block 10 compatible with cutter 8 is crushed 9 outer wall of cylinder and is equipped with several material spilling holes 11, and the material spilling hole 11 is one group three
It is a, and be distributed into a ladder, it is crushed 9 bottom of cylinder and is equipped with cone-shaped hood 12, third driving motor 13 is equipped in cone-shaped hood 12, third is driven
The output shaft of dynamic motor 13 is connected with the gyro disk 14 for keeping balance, is equipped between 9 outer wall of 7 inner wall of breaking tank and broken cylinder
For the gap of material leakage, 7 bottom of breaking tank sets scalping Dropbox 15, and the output shaft of the second driving motor 5 is logical across scalping Dropbox 15
It crosses Hooks coupling universal coupling and is connected to broken 9 bottom center of cylinder.
Rack 1 is located at the sound-proof material 44 being equipped at 7 periphery of breaking tank for noise reduction, and agitating plate 4 is the acute angle of surface curvature
Set square.
Flexible 16 one end of damper rod is articulated at the top of cone-shaped hood 12, flexible 16 other end of damper rod is articulated with 1 top of rack.
It is equipped with several water tanks 17 at the top of rack 1, pressure steaming device 18 is equipped in water tank 17, pressure steaming device 18 is connected to jet thrust
19, the jet direction of jet thrust 19 is towards between 9 outer wall of 7 inner wall of breaking tank and broken cylinder.
Screen assemblies include the 4th driving motor 20 being fixed on inside rack 1 by crossbeam, the 4th driving motor 20
Output shaft is coaxially connected with centrifugal column 21, and centrifugal column 21 is from top to bottom connected with several sieve units, and sieve unit includes connection
In the ratcheting rotary table 22 of centrifugal column 21, ratcheting rotary table 22 is connected with fine screen Dropbox 23, the sieve pore of each fine screen Dropbox 23 from top to bottom
Diameter is gradually reduced, and 1 inner wall of rack is equipped with the annular plate 24 for accepting steel slag below 23 edge of fine screen Dropbox, cyclic annular
Plate 24 is equipped with the flange 25 for anti-spillage, and annular plate 24 is obliquely installed and its lowest part is equipped with steel slag discharge port, steel slag discharging
Mouth is communicated with steel slag material storing box 26.
The sieve diameter of the fine screen Dropbox 23 of the top is 0.8 ~ 1.2cm, and the sieve pore that the fine screen Dropbox 23 of bottom is is straight
Diameter is 0.15 ~ 0.05cm, and 26 upper surface of steel slag material storing box is equipped with venthole, and 26 side wall of steel slag material storing box is equipped with resistance baker
27,21 bottom of centrifugal column is connected to flexible compensation bearing 28, and flexibility compensation bearing 28 is connected to 1 inner wall of rack by crossbeam.
Plate-and-chain conveyer 29,29 upper layer and lower layer plate chain interposition of plate-and-chain conveyer are equipped with below the fine screen Dropbox 23 of bottom
Electromagnet 30 is installed, the discharge port of 29 side of plate-and-chain conveyer is equipped with the scraper plate 31 for scraping steel slag particle, on scraper plate 31
Side is equipped with the air blower 32 for blowing off clinker impurity, and scraper plate 31 is by adjusting bolted splice in 1 side wall of rack.
Recycling processing component includes the steel slag particulate storage case 33 for being connected to 29 discharge port of plate-and-chain conveyer, steel slag particle
Vortex electromagnetic heater 34 is equipped at the top of storage bin 33,33 bottom of steel slag particulate storage case is densely covered with wire drawing through-hole, steel slag particle
33 bottom of storage bin is connected to cooling bay 35, is equipped with vacuum pump 36 above cooling bay 35, recycles processing component to be also connected with mixed
Solidifying soil blender.
The exhausting inlet end of dust removal assembly is connected to 33 top of steel slag particulate storage case, and exhausting inlet end passes through U-shaped ceramics
Pipe 37 is connected to cooling cartridge 38, and 38 bottom of cooling cartridge is equipped with water storage tank 39, and water storage tank 39 is connected with spray system, spray system
Ejection end is set to 38 top of cooling cartridge, and 38 bottom sidewall of cooling cartridge is communicated with dust-filtering cylinder 41, powder by unidirectional scavenging air valve 40
Dirt cartridge filter 41 is equipped with silk floss filter layer, activated carbon filter layer, photocatalyst filter layer and pressurization air-out apparatus 42 from the bottom to top.
Photocatalyst filter layer includes helical stent 43, and 43 surface of helical stent is coated with photocatalyst layer, spiral shape branch
The radius of spin of frame 43 is in taper shape from the bottom to top.
By disruption elements and the Screen assemblies of multistage, the centrifugal force by sieving Dropbox sieves slag crushing for not
Same size grades, facilitate that the recycling in later period is made steel or he uses, and the micronic dust shape steel slag that can not be recycled is made into fine steel needle and adds
Enter in concrete, is used as novel high-strength concrete.
As described above, must not be solved although the utility model has been indicated and described referring to specific preferred embodiment
It is interpreted as the limitation to the utility model itself.Before the spirit and scope for not departing from the utility model that appended claims define
It puts, it can various changes can be made in the form and details to it.
Claims (10)
1. a kind of crushing and screening for blast furnace ironmaking steel slag recycles processing unit, it is characterised in that: including rack, the machine
Top of the trellis is equipped with feeding assembly, and disruption elements are connected to below the feeding assembly, are connected to screening below the disruption elements
Component, the Screen assemblies, which are connected to, recycles processing component and dust removal assembly, and the feeding assembly includes feed hopper, described
Centre is equipped with the first driving motor in feed hopper, and the output shaft of first driving motor is equipped with agitating plate, and described broken group
Part includes the second driving motor that machine frame inside is fixed on by crossbeam, and frame inner wall is equipped with and holds above second driving motor
Weight ring flat-plate, load-bearing ring flat-plate inner edge are connected with breaking tank, and the breaking tank inner wall is equipped with several cutter, in the breaking tank
Wall is located at the groove being equipped with below cutter for steel slag guiding, and the cutter are the rectangular-shape that front end is equipped with curve blade
Cutter block, the angle between the axial direction and horizontal plane of the cutter are 5 ° ~ 15 °, and the groove is triangular shape and its one side
Coinciding with cutter, the curved downward transition in another both sides simultaneously crosses, and the cutter ring is equipped with 15 ~ 20 column around breaking tank inner wall,
The curvilinear arrangement from top to bottom of each column cutter is rotatably equipped with broken cylinder, the broken drum outer wall in the breaking tank
It is symmetrically equipped with 2 ~ 4 column block compatible with cutter along its generatrix direction, the broken drum outer wall is equipped with several material spilling holes,
The broken cylinder bottom is equipped with cone-shaped hood, is equipped with third driving motor, the output of the third driving motor in the cone-shaped hood
Axis connection has the gyro disk for keeping balance, is equipped between the breaking tank inner wall and broken drum outer wall between material leakage
Gap, the broken trench bottom set scalping Dropbox, and the output shaft of second driving motor passes through scalping Dropbox and passes through universal joint shaft
Device is connected to broken cylinder bottom center.
2. the crushing and screening according to claim 1 for blast furnace ironmaking steel slag recycles processing unit, it is characterised in that:
The rack is located at the sound-proof material being equipped at breaking tank periphery for noise reduction, and the agitating plate is the acute angle triangle of surface curvature
Plate.
3. the crushing and screening according to claim 1 for blast furnace ironmaking steel slag recycles processing unit, it is characterised in that:
It is articulated with flexible damper rod one end at the top of the cone-shaped hood, the flexible damper rod other end is articulated with frame top.
4. the crushing and screening according to claim 1 for blast furnace ironmaking steel slag recycles processing unit, it is characterised in that:
The frame top is equipped with several water tanks, pressure steaming device is equipped in the water tank, the pressure steaming device is connected to jet thrust, described
The jet direction of jet thrust is towards between breaking tank inner wall and broken drum outer wall.
5. the crushing and screening according to claim 1 for blast furnace ironmaking steel slag recycles processing unit, it is characterised in that:
The Screen assemblies include the 4th driving motor that machine frame inside is fixed on by crossbeam, the output shaft of the 4th driving motor
It is coaxially connected with centrifugal column, the centrifugal column is from top to bottom connected with several sieve units, and the sieve unit includes being connected to
The ratcheting rotary table of centrifugal column, the ratcheting rotary table are connected with fine screen Dropbox, the sieve diameter of each fine screen Dropbox from top to bottom
It is gradually reduced, the frame inner wall is equipped with the annular plate for accepting steel slag, the ring-type below fine screen Dropbox edge
Plate is equipped with the flange for anti-spillage, and the annular plate is obliquely installed and its lowest part is equipped with steel slag discharge port, and the steel slag goes out
Material mouth is communicated with steel slag material storing box.
6. the crushing and screening according to claim 5 for blast furnace ironmaking steel slag recycles processing unit, it is characterised in that:
The sieve diameter of the fine screen Dropbox of the top is 0.8 ~ 1.2cm, and the sieve diameter that the fine screen Dropbox of the bottom is is
0.15 ~ 0.05cm, steel slag material storing box upper surface are equipped with venthole, and the steel slag material storing box side wall is equipped with resistance baker,
The centrifugation column bottom is connected to flexible compensation bearing, and the flexible compensation bearing is connected to frame inner wall by crossbeam.
7. the crushing and screening according to claim 5 for blast furnace ironmaking steel slag recycles processing unit, it is characterised in that:
It is equipped with plate-and-chain conveyer below the fine screen Dropbox of the bottom, plate-and-chain conveyer upper layer and lower layer plate chain middle position is equipped with
Electromagnet, the discharge port of the plate-and-chain conveyer side are equipped with the scraper plate for scraping steel slag particle, are equipped with above the scraper plate
For blowing off the air blower of clinker impurity, the scraper plate is by adjusting bolted splice in frame side wall.
8. the crushing and screening according to claim 1 for blast furnace ironmaking steel slag recycles processing unit, it is characterised in that:
The recycling processing component includes the steel slag particulate storage case for being connected to plate-and-chain conveyer discharge port, the steel slag particulate storage
Box top is equipped with vortex electromagnetic heater, and the steel slag particulate storage bottom portion is densely covered with wire drawing through-hole, the steel slag particle storage
It deposits bottom portion and is connected to cooling bay, be equipped with vacuum pump above the cooling bay, the recycling processing component is also connected with coagulation
Native blender.
9. the crushing and screening according to claim 8 for blast furnace ironmaking steel slag recycles processing unit, it is characterised in that:
The exhausting inlet end of the dust removal assembly is connected to steel slag particulate storage box top, and the exhausting inlet end passes through U-shaped ceramic tube
It is connected to cooling cartridge, the cooling cartridge bottom is equipped with water storage tank, and the water storage tank is connected with spray system, the spray system
Ejection end is set at the top of cooling cartridge, and the cooling cartridge bottom sidewall is communicated with dust-filtering cylinder, the powder by unidirectional scavenging air valve
Dirt cartridge filter is equipped with silk floss filter layer, activated carbon filter layer, photocatalyst filter layer and pressurization air-out apparatus from the bottom to top.
10. the crushing and screening according to claim 9 for blast furnace ironmaking steel slag recycles processing unit, feature exists
In: the photocatalyst filter layer includes helical stent, and the helical stent surface is coated with photocatalyst layer, the spiral shape
The radius of spin of bracket is in taper shape from the bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821642369.2U CN208878726U (en) | 2018-10-10 | 2018-10-10 | A kind of crushing and screening recycling processing unit for blast furnace ironmaking steel slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821642369.2U CN208878726U (en) | 2018-10-10 | 2018-10-10 | A kind of crushing and screening recycling processing unit for blast furnace ironmaking steel slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208878726U true CN208878726U (en) | 2019-05-21 |
Family
ID=66515554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821642369.2U Expired - Fee Related CN208878726U (en) | 2018-10-10 | 2018-10-10 | A kind of crushing and screening recycling processing unit for blast furnace ironmaking steel slag |
Country Status (1)
| Country | Link |
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| CN (1) | CN208878726U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340007A (en) * | 2019-07-25 | 2019-10-18 | 衢州柯城幕布电子有限公司 | A kind of multiple sieving optimization processing device based on steel slag |
| CN110665623A (en) * | 2019-08-28 | 2020-01-10 | 浙江中液机械设备有限公司 | Movable type crushing and screening equipment screening device |
| CN111136794A (en) * | 2020-01-10 | 2020-05-12 | 山东大华医特环保工程有限公司 | Device for producing mortar by using steel slag sand and preparation method |
| CN112354621A (en) * | 2020-12-02 | 2021-02-12 | 魏庆 | Recycling treatment method for solid waste slag from steel smelting |
| CN112570428A (en) * | 2020-12-15 | 2021-03-30 | 南京研塑环保科技有限公司 | Method for recycling coal cinder in power plant |
| CN113102052A (en) * | 2021-02-26 | 2021-07-13 | 湖北省武穴市特种钢铸造有限公司 | Broken filter equipment of residue letter sorting for special steel production |
| CN117486617A (en) * | 2023-10-07 | 2024-02-02 | 衡阳凯新特种材料科技有限公司 | Preparation method and device of porous silicon nitride ceramic |
-
2018
- 2018-10-10 CN CN201821642369.2U patent/CN208878726U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340007A (en) * | 2019-07-25 | 2019-10-18 | 衢州柯城幕布电子有限公司 | A kind of multiple sieving optimization processing device based on steel slag |
| CN110340007B (en) * | 2019-07-25 | 2020-03-31 | 山东路友再生资源设备有限公司 | Multiple sieving optimization treatment device based on steel slag |
| CN110665623A (en) * | 2019-08-28 | 2020-01-10 | 浙江中液机械设备有限公司 | Movable type crushing and screening equipment screening device |
| CN111136794A (en) * | 2020-01-10 | 2020-05-12 | 山东大华医特环保工程有限公司 | Device for producing mortar by using steel slag sand and preparation method |
| CN112354621A (en) * | 2020-12-02 | 2021-02-12 | 魏庆 | Recycling treatment method for solid waste slag from steel smelting |
| CN112354621B (en) * | 2020-12-02 | 2021-07-06 | 秦皇岛佰工钢铁有限公司 | Recycling treatment method for solid waste slag from steel smelting |
| CN112570428A (en) * | 2020-12-15 | 2021-03-30 | 南京研塑环保科技有限公司 | Method for recycling coal cinder in power plant |
| CN113102052A (en) * | 2021-02-26 | 2021-07-13 | 湖北省武穴市特种钢铸造有限公司 | Broken filter equipment of residue letter sorting for special steel production |
| CN117486617A (en) * | 2023-10-07 | 2024-02-02 | 衡阳凯新特种材料科技有限公司 | Preparation method and device of porous silicon nitride ceramic |
| CN117486617B (en) * | 2023-10-07 | 2024-06-11 | 衡阳凯新特种材料科技有限公司 | Preparation method and device of porous silicon nitride ceramic |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190521 Termination date: 20211010 |