CN112138815A - Method for preparing engineering aggregate by using smelting furnace slag - Google Patents
Method for preparing engineering aggregate by using smelting furnace slag Download PDFInfo
- Publication number
- CN112138815A CN112138815A CN202010990594.0A CN202010990594A CN112138815A CN 112138815 A CN112138815 A CN 112138815A CN 202010990594 A CN202010990594 A CN 202010990594A CN 112138815 A CN112138815 A CN 112138815A
- Authority
- CN
- China
- Prior art keywords
- slag
- preparing
- aggregate
- crushing
- sliding
- 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.)
- Granted
Links
- 239000002893 slag Substances 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000003723 Smelting Methods 0.000 title claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 56
- 238000012216 screening Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 49
- 239000000428 dust Substances 0.000 claims description 44
- 238000002360 preparation method Methods 0.000 claims description 34
- 238000010521 absorption reaction Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 7
- 244000309464 bull Species 0.000 claims description 6
- 241000883990 Flabellum Species 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 206010044565 Tremor Diseases 0.000 claims 5
- 239000011148 porous material Substances 0.000 claims 3
- 238000007599 discharging Methods 0.000 claims 2
- 239000002699 waste material Substances 0.000 abstract description 8
- 239000000843 powder Substances 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- 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
-
- 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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- 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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a method for preparing engineering aggregate by utilizing smelting slag, which uses equipment for preparing the engineering aggregate in an auxiliary manner, wherein the equipment for preparing the engineering aggregate in the auxiliary manner comprises a bottom plate, a crushing device, a screening device and a collecting device. The invention can solve the problems that the existing equipment for preparing the engineering aggregate can not crush the slag generated by metal smelting into particles with different sizes, the slag is easy to be crushed into powder during crushing, the recovery utilization rate of the slag is influenced, the prepared engineering aggregate has low strength, the crushed particles of the slag can not be screened and collected, and the particles with different sizes can not be classified, screened and collected, so that the prepared engineering aggregate raw materials are mixed, the respective purposes of the particles with different sizes can not be exerted, the small particles are used as the main raw material, the strength of the aggregate is insufficient, the engineering quality is influenced, the large particles are used as the auxiliary material, the material waste is caused, and the full use of the materials can not be realized.
Description
Technical Field
The invention relates to the technical field of engineering aggregates, in particular to a method for preparing engineering aggregates by using smelting furnace slag.
Background
In recent years, with the rapid development of industries such as steel, iron alloy, nonferrous heavy metals and the like, slag is one of important products in processes such as smelting, refining and the like, is a melt which is generated in a pyrometallurgical process and mainly comprises oxides (silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide), and often contains sulfides and carries a small amount of metals. And the quantity of the waste slag generated in the smelting process is very large, for example, about 0.3-1 ton of slag is generated when 1 ton of pig iron is produced, and about 5-6 tons of smelting slag is generated when one ton of anode copper is produced by copper concentrate. Therefore, a large amount of smelting slag can only be treated by landfill, the comprehensive utilization rate is low and the environment is polluted. However, the slag is formed by fusing at the temperature of more than 1500 ℃, has certain strength and has a utilization value, so that the problem that how to recycle the smelting slag and change waste into valuables is urgently needed to be solved is solved. As is known, concrete is prepared by adding water into cement, sand and coarse aggregate and stirring and mixing, the granularity proportion of the used coarse aggregate is different according to the size of a prefabricated part, the granularity of the coarse aggregate is generally 5-100mm, and since the yield of slag is very large and recycling is difficult, if slag from metal smelting can be processed to prepare aggregate required in engineering buildings, the pollution of the slag to the environment can be reduced, and the engineering manufacturing cost can be reduced by the engineering aggregate prepared from the slag, so that equipment for processing the slag to prepare the engineering aggregate is very important.
At present, aiming at the existing equipment for preparing engineering aggregate, the following defects exist: 1. the existing equipment for preparing the engineering aggregate cannot crush the slag generated by metal smelting into particles with different sizes, the slag is easily crushed into powder during crushing, the recovery utilization rate of the slag is influenced, and the prepared engineering aggregate has lower strength; 2. the existing equipment for preparing engineering aggregate can not screen and collect crushed particles of slag and can not classify, screen and collect particles with different sizes, so that prepared engineering aggregate raw materials are mixed, the respective purposes of various particles with different sizes can not be exerted, the aggregate strength is insufficient by using smaller particles as main raw materials, the engineering quality is influenced, the material waste is caused by using large particles as auxiliary materials, and the best use of the materials can not be realized.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing equipment for preparing the engineering aggregate can not crush the slag generated by metal smelting into different-sized particles, the slag is easy to be crushed into powder during crushing, the recovery utilization rate of the slag is influenced, and the strength of the prepared engineering aggregate is lower, and can also solve the problems that the existing equipment for preparing the engineering aggregate can not screen and collect the crushed particles of the slag, can not screen and collect the particles with different sizes in a classified way, so that the prepared engineering aggregate raw materials are mixed, the respective purposes of the particles with different sizes can not be exerted, the strength of the aggregate is insufficient by using the smaller particles as the main raw material, the engineering quality is influenced, the material waste is caused by using the large particles as the auxiliary material, and the best use of the materials can not be realized.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the method for preparing the engineering aggregate by utilizing the smelting furnace slag uses equipment for assisting in preparing the engineering aggregate, the equipment for assisting in preparing the engineering aggregate comprises a bottom plate, a crushing device, a screening device and a collecting device, the bottom plate is of a circular structure, the middle part of the upper end face of the bottom plate is provided with the crushing device, the crushing device is provided with the screening device, the middle part of the bottom plate is provided with a sliding groove, the collecting device is arranged in the sliding groove in a sliding fit mode, and the collecting device is positioned below the screening device.
Breaker including preparation case, feed inlet, discharge gate, ear seat, support column, backup pad, broken mechanism and dust absorption mechanism, the preparation case be hollow square box structure, preparation case top is provided with the feed inlet, the below is provided with the discharge gate, four corners of terminal surface all be provided with the ear seat under the preparation case, terminal surface middle part all is provided with the support column under every ear seat, the support column is installed on the bottom plate up end, be provided with the backup pad between two support columns in left side, terminal surface installation is on the bottom plate under the backup pad, installs broken mechanism in the backup pad up end, preparation case around the terminal surface inboard install dust absorption mechanism.
Screening plant include supporting seat, shake mechanism, go up cardboard, coarse screen, lower cardboard, fine mesh screen and slider, bottom plate up end right side install the supporting seat, install shake mechanism on the supporting seat, the last symmetry of shake mechanism is provided with cardboard and lower cardboard, go up and install coarse screen through the mode of joint on the cardboard, install fine screen through the mode of joint on the cardboard down, go up and all install the slider on cardboard and the lower cardboard, the slider passes through sliding fit's mode and installs on preparing the case.
The collecting device include slide rail, slide mechanism, U type seat, slip ball arc wall, collecting box, coarse strainer and thin filter screen, bottom plate middle part set up and be provided with the slide rail in the spout, be provided with slide mechanism in the slide rail, slide mechanism is connected with U type seat, the bottom plate on evenly be provided with the arc wall, install the slip ball through roll fit's mode in the arc wall, the slip ball is located U type seat both sides to with U type seat contact, be provided with the collecting box on the U type seat, the collecting box top is provided with the opening, coarse strainer and thin filter screen are down installed once from last to the collecting box is inside, the coarse strainer is installed in the collecting box through slide fit's mode, thin filter screen passes through the mode of joint and installs in the collecting box.
The method for preparing the engineering aggregate by using the equipment for preparing the engineering aggregate in an auxiliary way comprises the following steps;
step one, equipment inspection: before starting equipment for assisting in preparing the engineering aggregate to prepare the engineering aggregate, checking the operation of the equipment;
step two, slag input: slag generated in the metal smelting process is put into the preparation box through the feeding hole;
step three, crushing slag: crushing the fed slag by using a crushing device to obtain slag with different particle sizes;
step four, slag screening: screening the slag particles with different sizes by a screening device to obtain slag with the same particle size, and classifying the slag particles by different screens;
step five, collection and preparation: and C, collecting and further classifying the slag processed in the step four through a collecting device, preparing the collected slag with smaller particles into fine aggregate serving as a filling loose material, and preparing the slag with larger particles into coarse aggregate serving as a main raw material of concrete in the engineering construction.
As a preferred technical scheme of the invention: broken mechanism include broken motor, driving gear, driven gear, pivot, crushing roller and broken cutter, broken motor pass through the motor cabinet and install in the backup pad, the driving gear is installed through the spline to broken motor's output shaft, the driving gear top is connected with driven gear through gear engagement's mode, install the pivot on driving gear and the driven gear, the pivot right-hand member passes through the bearing and installs on preparing the case, pivot mid-mounting has the crushing roller, evenly be provided with broken cutter on the crushing roller outer wall, broken cutter cross-section is the triangle-shaped structure, and staggered arrangement about broken cutter.
As a preferred technical scheme of the invention: dust absorption mechanism include dust absorption board, electronic bull stick, flabellum and dust absorption net, dust absorption board symmetry install around the preparation case on the terminal surface inner wall, be provided with the recess in the dust absorption board, install electronic bull stick through the bearing in the recess, install the flabellum on the electronic bull stick, install the dust absorption net on the dust absorption board.
As a preferred technical scheme of the invention: the shaking mechanism include motor, shaking axis, cam, axle sleeve and expanding spring, the motor pass through the motor cabinet and install on the supporting seat, the output shaft of motor passes through the shaft coupling and installs the shaking axis, the cam is installed to shaking axis both ends symmetry, the shaking axis mid-mounting has the axle sleeve, the axle sleeve is located between two cams, evenly be provided with expanding spring on the axle sleeve outer wall, expanding spring is connected with coarse screen cloth and fine screen cloth respectively.
As a preferred technical scheme of the invention: slide mechanism include electronic slider, spring beam and block rubber, electronic slider install in the slide rail through sliding fit's mode, install the spring beam on the electronic slider right side terminal surface, install the block rubber on the spring beam, the block rubber is semicircle type structure.
As a preferred technical scheme of the invention: the feed inlet and the discharge outlet are of circular truncated cone structures, and guide grooves are formed in the lower end faces of the feed inlet and the discharge outlet.
As a preferred technical scheme of the invention: the corresponding apertures of the coarse screen and the fine screen are the same as those of the coarse screen and the fine screen, namely the apertures of the coarse screen and the coarse screen are the same, and the apertures of the fine screen and the fine screen are the same.
(III) advantageous effects
1. The invention provides a method for preparing engineering aggregate by utilizing smelting slag, which can solve the problems that the existing equipment for preparing the engineering aggregate cannot crush the slag generated by metal smelting into different-size particles, the slag is easily crushed into powder during crushing, the recovery rate of the slag is influenced, the prepared engineering aggregate has low strength, the crushed particles of the slag cannot be screened and collected, the prepared engineering aggregate is mixed in raw materials and cannot exert respective purposes of various particles with different sizes, the small particles are used as main raw materials, the strength of the aggregate is insufficient, the engineering quality is influenced, the large particles are used as auxiliary materials, the material waste is caused, and the full use of the materials cannot be realized.
2. According to the method for preparing the engineering aggregate by using the smelting slag, the crushing mechanism can crush the slag into particles with different sizes, the slag is not easy to be crushed into powder, the recovery utilization rate of the slag is improved, the quality of the prepared engineering aggregate is improved, and the strength and the hardness of the slag are improved.
3. According to the method for preparing the engineering aggregate by using the smelting slag, the screening device and the collecting device can be used for classifying, screening and classifying and collecting the crushed particle sizes, so that the reasonable utilization rate of slag resources is improved, the slag resources are fully utilized, the material waste is reduced, and meanwhile, the screening quality and the screening effect of the slag can be improved by the shaking mechanism.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic diagram of the transverse cross-sectional structure of the present invention;
FIG. 4 is a schematic cross-sectional view of a screening device of the present invention;
FIG. 5 is a schematic longitudinal cross-sectional view of the present invention;
FIG. 6 is a schematic sectional view of the dust suction mechanism of the present invention;
fig. 7 is a schematic perspective view of the bottom plate and the collecting device of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, a method for preparing engineering aggregate by using smelting slag uses an auxiliary equipment for preparing engineering aggregate, the auxiliary equipment for preparing engineering aggregate comprises a bottom plate 1, a crushing device 2, a screening device 3 and a collecting device 4, the bottom plate 1 is of a circular structure, the crushing device 2 is installed in the middle of the upper end face of the bottom plate 1, the screening device 3 is installed on the crushing device 2, a sliding groove is formed in the middle of the bottom plate 1, the collecting device 4 is installed in the sliding groove in a sliding fit mode, and the collecting device 4 is located below the screening device 3.
The crushing device 2 comprises a preparation box 21, a feed port 22, a discharge port 23, lug seats 24, support columns 25, support plates 26, a crushing mechanism 27 and a dust suction mechanism 28, wherein the preparation box 21 is of a hollow square box structure, the feed port 22 is arranged above the preparation box 21, the discharge port 23 is arranged below the preparation box 21, the lug seats 24 are arranged at four corners of the lower end surface of the preparation box 21, the support column 25 is arranged in the middle of the lower end surface of each lug seat 24, the support column 25 is arranged on the upper end surface of the bottom plate 1, the support plate 26 is arranged between the two support columns 25 on the left side, the lower end surface of the support plate 26 is arranged on the bottom plate 1, the crushing mechanism 27 is arranged on the upper end surface of the support plate 26, the dust suction mechanism 28 is arranged on the inner sides of the front end surface and the rear end surface of the preparation box 21, the feed, when in specific work, the feed inlet 22 is in a round platform structure, the upper part of the feed inlet is provided with a large opening, the lower part of the feed inlet is provided with a small opening, so that slag can be temporarily stored at the upper part when entering, meanwhile, the efficiency of slag input can be increased, the discharge port 23 is provided with a material guide groove which can facilitate the slag particles after being screened to enter the collecting box 46, can avoid the drifting of slag particles to cause material waste, the lug seat 24 and the support column 25 play a role of supporting the preparation box 21, the crushing mechanism 27 can crush massive slag generated by metal smelting into slag particles with different sizes, and can perform very important work for preparing engineering aggregate, the dust absorption mechanism 28 can absorb dust generated in the slag crushing process, can prevent the dust from drifting around to influence the environment in the preparation box 21, meanwhile, the dust generated by crushing can be prevented from flying out of the preparation box 21 and being sucked into the body by workers, so that the health of the workers is influenced.
The crushing mechanism 27 comprises a crushing motor 271, a driving gear 272, a driven gear 273, a rotating shaft 274, crushing rollers 275 and crushing cutters 276, wherein the crushing motor 271 is arranged on the supporting plate 26 through a motor base, the driving gear 272 is arranged on an output shaft of the crushing motor 271 through a spline, the driven gear 273 is connected above the driving gear 272 in a gear meshing manner, the rotating shaft 274 is arranged on the driving gear 272 and the driven gear 273, the right end of the rotating shaft 274 is arranged on the preparation box 21 through a bearing, the crushing rollers 275 are arranged in the middle of the rotating shaft 274, the crushing cutters 276 are uniformly arranged on the outer wall of each crushing roller 275, the cross sections of the crushing cutters 276 are of triangular structures, the crushing cutters 276 are vertically staggered, when slag enters the upper part of the crushing mechanism 27 through the feeding port 22, the driving gear 272 is driven to rotate through the rotation of the crushing motor 271, the driven gear, drive crushing roller 275 through pivot 274 with gear connection and rotate, and then can carry out broken handle through the bold slag that crushing cutter 276 will smelt the production, staggered arrangement about because crushing cutter 276, can extrude staggered arrangement's crushing cutter 276 each other through two upper and lower crushing roller 275 opposite direction rotations, and then can reach the broken purpose to the slag, the interval between the upper and lower crushing cutter is different, consequently can break into the slag granule of diameter variation with bold slag, can prevent to press into the powder with the slag in the broken in-process of slag simultaneously, influence the intensity of slag, be favorable to improving the recycle ratio of slag, be favorable to improving the quality of making engineering aggregate, be favorable to improving the intensity and the hardness of slag.
The dust collection mechanism 28 comprises a dust collection plate 281, an electric rotating rod 282, fan blades 283 and a dust collection net 284, wherein the dust collection plate 281 is symmetrically arranged on the inner walls of the front end surface and the rear end surface of the preparation box 21, a groove is arranged in the dust collection plate 281, the electric rotating rod 282 is arranged in the groove through a bearing, the fan blades 283 are arranged on the electric rotating rod 282, the dust collection net 284 is arranged on the dust collection plate 281, when a large amount of flying dust is generated in the crushing process during specific work, the fan blades 283 are driven to rotate through the electric rotating rod 282 to blow the dust onto the dust collection net 284, two dust removal layers are arranged on the dust collection net 284, the outer layers are attached with trace water-soaked cotton to adhere the dust falling on the dust collection net 284, the inner layers are provided with a large amount of activated carbon to adsorb the dust into the dust collection net 284, the purpose of adsorbing the dust generated in the crushing work can be achieved, and the dust generated in the crushing work can be, influence the clean and tidy environment in the preparation box 21, and simultaneously can avoid the dust from flying out of the preparation box 21 and being sucked into the body by the staff, and influence the health of the staff.
The screening device 3 comprises a supporting seat 31, a shaking mechanism 32, an upper clamping plate 33, a coarse screen 34, a lower clamping plate 35, a fine screen 36 and a sliding block 37, the supporting seat 31 is installed on the right side of the upper end face of the bottom plate 1, the shaking mechanism 32 is installed on the supporting seat 31, the upper clamping plate 33 and the lower clamping plate 35 are symmetrically arranged on the shaking mechanism 32, the coarse screen 34 is installed on the upper clamping plate 33 in a clamping manner, the fine screen 36 is installed on the lower clamping plate 35 in a clamping manner, the sliding blocks 37 are installed on the upper clamping plate 33 and the lower clamping plate 35 in a sliding fit manner, when in specific work, when large slag blocks are crushed into slag particles with different sizes through the crushing device 2 and fall onto the screening device 3, the slag particles falling onto the screen can shake up and down through the matching of the shaking mechanism 32, the coarse screen 34 and the fine screen 36, and further, the crushed particles with different sizes can be subjected to the purpose of size classification, the slag with large particles stays on the coarse screen 34, the slag with small particles can fall on the fine screen 36 through ceaseless shaking, the reasonable application of slag aggregate is favorably improved, the large particles can be used as engineering aggregate raw materials to increase the strength and hardness of the aggregate, the small particles are used as filling auxiliary materials of the aggregate, the slag can be classified and screened to make the best use of the materials, and the reasonable utilization rate of the slag resource is favorably improved.
The shaking mechanism 32 comprises a motor 321, a shaking shaft 322, a cam 323, a shaft sleeve 324 and a telescopic spring 325, the motor 321 is arranged on the supporting seat 31 through a motor base, the output shaft of the motor 321 is provided with a shaking shaft 322 through a coupling, two ends of the shaking shaft 322 are symmetrically provided with cams 323, the middle part of the shaking shaft 322 is provided with a shaft sleeve 324, the shaft sleeve 324 is positioned between the two cams 323, the outer wall of the shaft sleeve 324 is uniformly provided with telescopic springs 325, the telescopic springs 325 are respectively connected with the coarse screen 34 and the fine screen 36, when in specific work, the motor 321 drives the shaking shaft 322 to rotate so as to drive the cam 323 to rotate, thereby can drive the last cardboard 33 and the lower cardboard 35 of being connected with cam 323 shake from top to bottom, reach the purpose that makes coarse screen 34 and fine screen 36 shake from top to bottom, expanding spring 325 can increase the shake effect, is favorable to improving the screening quality and the screening effect of slag.
The collecting device 4 comprises a sliding rail 41, a sliding mechanism 42, a U-shaped seat 43, sliding balls 44, an arc-shaped groove 45, a collecting box 46, a coarse filter screen 47 and a fine filter screen 48, the middle part of the bottom plate 1 is provided with the sliding rail 41 in the sliding groove, the sliding mechanism 42 is arranged in the sliding rail 41 and is connected with the U-shaped seat 43, the bottom plate 1 is evenly provided with the arc-shaped groove 45, the sliding balls 44 are arranged in the arc-shaped groove 45 in a rolling matching mode, the sliding balls 44 are positioned at two sides of the U-shaped seat 43 and are in contact with the U-shaped seat 43, the collecting box 46 is provided with the collecting box 46, an opening is arranged above the collecting box 46, the coarse filter screen 47 and the fine filter screen 48 are arranged in the collecting box 46 from top to bottom, the coarse filter screen 47 and the fine filter screen 48 are arranged in the collecting box 46 in a sliding matching mode, the fine filter screen 48 is arranged in the collecting box 46 in a clamping, that is, the apertures on the coarse screen 34 and the coarse screen 47 are the same, the apertures on the fine screen 36 and the fine screen 48 are the same, during specific operation, when the slag particles classified by the sieving device 3 enter the collection box 46 through the discharge port 23, the sliding mechanism 42 can push the U-shaped seat 43 and the collection box 46 to slide to the right, so as to transport the collected slag particles to the warehouse, and achieve the purpose of uniform collection and management, the sliding ball 44 and the arc-shaped groove 45 cooperate to reduce the friction force between the U-shaped seat and the bottom plate 1, which is beneficial to increasing the sliding effect, which is beneficial to increasing the collection efficiency, the apertures on the coarse screen 34 and the coarse screen 47 are the same, the apertures on the fine screen 36 and the fine screen 48 are the same, so as to classify and collect the slag, the large particles fall on the fine screen 48, when the slag of the coarse particles needs to be used, the coarse screen 48 only needs to slide upwards to be separated from the, is beneficial to improving the engineering efficiency.
The method for preparing the engineering aggregate in an auxiliary manner comprises the following steps:
step one, equipment inspection: before starting equipment for assisting in preparing the engineering aggregate to prepare the engineering aggregate, checking the operation of the equipment;
step two, slag input: slag generated in the metal smelting process is put into a preparation box 21 through a feeding hole 22;
step three, crushing slag: crushing the fed slag by using a crushing device 2 to obtain slag with different particle sizes;
step four, slag screening: screening the slag particles with different sizes by a screening device 3 to obtain slag with the same particle size, and classifying the slag particles by different screens;
step five, collection and preparation: and (4) collecting and further classifying the slag processed in the step four through a collecting device 4, preparing the collected slag with smaller particles into fine aggregate serving as a filling loose material, and preparing the slag with larger particles into coarse aggregate serving as a main raw material of concrete in the engineering construction.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for preparing engineering aggregate by utilizing smelting slag uses equipment for preparing the engineering aggregate in an auxiliary way, and the equipment for preparing the engineering aggregate in the auxiliary way comprises a bottom plate (1), a crushing device (2), a screening device (3) and a collecting device (4), and is characterized in that: the bottom plate (1) is of a circular structure, the middle part of the upper end face of the bottom plate (1) is provided with a crushing device (2), the crushing device (2) is provided with a screening device (3), the middle part of the bottom plate (1) is provided with a sliding groove, a collecting device (4) is arranged in the sliding groove in a sliding fit mode, and the collecting device (4) is positioned below the screening device (3); wherein:
the crushing device (2) comprises a preparation box (21), a feed inlet (22), a discharge outlet (23), an ear seat (24), a support column (25), a support plate (26), a crushing mechanism (27) and a dust suction mechanism (28), the preparation box (21) is a hollow square box structure, a feed inlet (22) is arranged above the preparation box (21), a discharge outlet (23) is arranged below the preparation box (21), four corners of the lower end surface of the preparation box (21) are respectively provided with an ear seat (24), the middle part of the lower end surface of each ear seat (24) is provided with a support column (25), the support columns (25) are arranged on the upper end surface of the bottom plate (1), a supporting plate (26) is arranged between the two supporting columns (25) on the left side, the lower end surface of the supporting plate (26) is arranged on the bottom plate (1), a crushing mechanism (27) is arranged on the upper end surface of the supporting plate (26), the inner sides of the front end surface and the rear end surface of the preparation box (21) are provided with dust suction mechanisms (28);
the screening device (3) comprises a supporting seat (31), a shaking mechanism (32), an upper clamping plate (33), a coarse screen (34), a lower clamping plate (35), a fine screen (36) and a sliding block (37), wherein the supporting seat (31) is installed on the right side of the upper end face of the base plate (1), the shaking mechanism (32) is installed on the supporting seat (31), the upper clamping plate (33) and the lower clamping plate (35) are symmetrically arranged on the shaking mechanism (32), the coarse screen (34) is installed on the upper clamping plate (33) in a clamping manner, the fine screen (36) is installed on the lower clamping plate (35) in a clamping manner, the sliding blocks (37) are installed on the upper clamping plate (33) and the lower clamping plate (35), and the sliding blocks (37) are installed on the preparation box (21) in a sliding fit manner;
the collecting device (4) comprises a sliding rail (41), a sliding mechanism (42), a U-shaped seat (43), sliding balls (44), an arc-shaped groove (45), a collecting box (46), a coarse filter screen (47) and a fine filter screen (48), wherein the sliding rail (41) is arranged in the middle of the bottom plate (1) in a sliding groove, the sliding mechanism (42) is arranged in the sliding rail (41), the sliding mechanism (42) is connected with the U-shaped seat (43), the arc-shaped groove (45) is uniformly arranged on the bottom plate (1), the sliding balls (44) are arranged in the arc-shaped groove (45) in a rolling fit mode, the sliding balls (44) are positioned on two sides of the U-shaped seat (43) and are in contact with the U-shaped seat (43), the collecting box (46) is arranged on the U-shaped seat (43), an opening is arranged above the collecting box (46), the coarse filter screen (47) and the fine filter screen (48), the coarse filter screen (47) is arranged in the collecting box (46) in a sliding fit mode, and the fine filter screen (48) is arranged in the collecting box (46) in a clamping mode;
the method for preparing the engineering aggregate by using the equipment for preparing the engineering aggregate in an auxiliary way comprises the following steps;
step one, equipment inspection: before starting equipment for assisting in preparing the engineering aggregate to prepare the engineering aggregate, checking the operation of the equipment;
step two, slag input: slag generated in the metal smelting process is put into a preparation box (21) through a feeding hole (22);
step three, crushing slag: crushing the fed slag by using a crushing device (2) to obtain slag with different particle sizes;
step four, slag screening: screening the slag particles with different sizes by a screening device (3) to obtain slag with the same particle size, and classifying the slag particles by different screens;
step five, collection and preparation: and (4) collecting and further classifying the slag processed in the step four through a collecting device (4), preparing the collected slag with smaller particles into fine aggregate serving as a filling loose material, and preparing the slag with larger particles into coarse aggregate serving as a main raw material of concrete in the engineering construction.
2. The method for preparing engineering aggregate from smelting slag according to claim 1, wherein the method comprises the following steps: crushing mechanism (27) including broken motor (271), driving gear (272), driven gear (273), pivot (274), crushing roller (275) and broken cutter (276), broken motor (271) install on backup pad (26) through the motor cabinet, driving gear (272) are installed through the spline to the output shaft of broken motor (271), driving gear (272) top is connected with driven gear (273) through gear engagement's mode, install pivot (274) on driving gear (272) and driven gear (273), pivot (274) right-hand member is installed on preparation case (21) through the bearing, pivot (274) mid-mounting has crushing roller (275), evenly be provided with broken cutter (276) on crushing roller (275) outer wall, broken cutter (276) cross-section is the triangle-shaped structure, and broken cutter (276) staggered arrangement from top to bottom.
3. The method for preparing engineering aggregate from smelting slag according to claim 1, wherein the method comprises the following steps: dust absorption mechanism (28) including dust absorption board (281), electronic bull stick (282), flabellum (283) and dust absorption net (284), dust absorption board (281) symmetry install on preparation case (21) front and back terminal surface inner wall, be provided with the recess in dust absorption board (281), install electronic bull stick (282) through the bearing in the recess, install flabellum (283) on electronic bull stick (282), install dust absorption net (284) on dust absorption board (281).
4. The method for preparing engineering aggregate from smelting slag according to claim 1, wherein the method comprises the following steps: tremble mechanism (32) include motor (321), tremble axle (322), cam (323), axle sleeve (324) and expanding spring (325), motor (321) install on supporting seat (31) through the motor cabinet, tremble axle (322) are installed through the shaft coupling to the output shaft of motor (321), cam (323) are installed to tremble axle (322) both ends symmetry, tremble axle (322) mid-mounting has axle sleeve (324), axle sleeve (324) are located between two cams (323), evenly be provided with expanding spring (325) on axle sleeve (324) outer wall, expanding spring (325) are connected with coarse mesh (34) and fine mesh (36) respectively.
5. The method for preparing engineering aggregate from smelting slag according to claim 1, wherein the method comprises the following steps: slide mechanism (42) including electronic slider (421), spring beam (422) and block rubber (423), electronic slider (421) install in slide rail (41) through sliding fit's mode, install spring beam (422) on electronic slider (421) the right side terminal surface, install block rubber (423) on spring beam (422), block rubber (423) are half circle type structure.
6. The method for preparing engineering aggregate from smelting slag according to claim 1, wherein the method comprises the following steps: the feeding hole (22) and the discharging hole (23) are both of a circular truncated cone structure, and the lower end faces of the feeding hole (22) and the discharging hole (23) are both provided with guide chutes.
7. The method for preparing engineering aggregate from smelting slag according to claim 1, wherein the method comprises the following steps: the corresponding pore diameters of the coarse screen (34) and the fine screen (36) are the same as those of the coarse screen (47) and the fine screen (48), namely the pore diameters of the coarse screen (34) and the coarse screen (47) are the same, and the pore diameters of the fine screen (36) and the fine screen (48) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990594.0A CN112138815B (en) | 2020-09-19 | 2020-09-19 | Method for preparing engineering aggregate by using smelting furnace slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990594.0A CN112138815B (en) | 2020-09-19 | 2020-09-19 | Method for preparing engineering aggregate by using smelting furnace slag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112138815A true CN112138815A (en) | 2020-12-29 |
| CN112138815B CN112138815B (en) | 2021-07-02 |
Family
ID=73893263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010990594.0A Active CN112138815B (en) | 2020-09-19 | 2020-09-19 | Method for preparing engineering aggregate by using smelting furnace slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112138815B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176117A (en) * | 2021-04-01 | 2021-07-27 | 中国人民解放军军事科学院军事医学研究院 | Microorganism aerosol electrostatic collection device |
| CN115674745A (en) * | 2022-10-27 | 2023-02-03 | 中塑新材料技术(吉林)有限公司 | Method and equipment for preparing rubber pipe by applying modified slag composite material |
| CN116813317A (en) * | 2023-07-26 | 2023-09-29 | 海城利尔麦格西塔材料有限公司 | Low-carbon aluminum-magnesia carbon brick and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207287641U (en) * | 2017-08-08 | 2018-05-01 | 四川华蜀动物药业有限公司 | Traditional Chinese powder medicine crushing and screening system |
| CN208115839U (en) * | 2018-02-08 | 2018-11-20 | 荆门市磊鑫石膏制品有限公司 | A kind of food grade gypsum crushing device |
| CN109092532A (en) * | 2017-02-14 | 2018-12-28 | 天津中天精科科技有限公司 | A kind of garbage waste particle depth processing equipment of belt grinding roller |
| CN208727625U (en) * | 2018-07-27 | 2019-04-12 | 义马宝宜新材料有限公司 | A kind of Brown Alundum raw material block crushing device |
| CN109894194A (en) * | 2017-12-07 | 2019-06-18 | 吴晓洁 | One kind can screening type pulverizer |
| CN110605158A (en) * | 2019-09-20 | 2019-12-24 | 张家港南光包装容器再生利用有限公司 | Crushing machine |
| CN210410904U (en) * | 2019-06-14 | 2020-04-28 | 湖北杉树垭矿业有限公司 | Collophanite heavy medium tailings recycling device |
| CN210675461U (en) * | 2019-10-09 | 2020-06-05 | 杜丕垒 | Novel environment-friendly crusher |
| CN211303210U (en) * | 2019-12-10 | 2020-08-21 | 佛山市南海裕大陶瓷有限公司 | Polished tile waste recovery device with screening function |
-
2020
- 2020-09-19 CN CN202010990594.0A patent/CN112138815B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092532A (en) * | 2017-02-14 | 2018-12-28 | 天津中天精科科技有限公司 | A kind of garbage waste particle depth processing equipment of belt grinding roller |
| CN207287641U (en) * | 2017-08-08 | 2018-05-01 | 四川华蜀动物药业有限公司 | Traditional Chinese powder medicine crushing and screening system |
| CN109894194A (en) * | 2017-12-07 | 2019-06-18 | 吴晓洁 | One kind can screening type pulverizer |
| CN208115839U (en) * | 2018-02-08 | 2018-11-20 | 荆门市磊鑫石膏制品有限公司 | A kind of food grade gypsum crushing device |
| CN208727625U (en) * | 2018-07-27 | 2019-04-12 | 义马宝宜新材料有限公司 | A kind of Brown Alundum raw material block crushing device |
| CN210410904U (en) * | 2019-06-14 | 2020-04-28 | 湖北杉树垭矿业有限公司 | Collophanite heavy medium tailings recycling device |
| CN110605158A (en) * | 2019-09-20 | 2019-12-24 | 张家港南光包装容器再生利用有限公司 | Crushing machine |
| CN210675461U (en) * | 2019-10-09 | 2020-06-05 | 杜丕垒 | Novel environment-friendly crusher |
| CN211303210U (en) * | 2019-12-10 | 2020-08-21 | 佛山市南海裕大陶瓷有限公司 | Polished tile waste recovery device with screening function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176117A (en) * | 2021-04-01 | 2021-07-27 | 中国人民解放军军事科学院军事医学研究院 | Microorganism aerosol electrostatic collection device |
| CN113176117B (en) * | 2021-04-01 | 2022-08-02 | 中国人民解放军军事科学院军事医学研究院 | Microorganism aerosol electrostatic collection device |
| CN115674745A (en) * | 2022-10-27 | 2023-02-03 | 中塑新材料技术(吉林)有限公司 | Method and equipment for preparing rubber pipe by applying modified slag composite material |
| CN115674745B (en) * | 2022-10-27 | 2023-09-08 | 中塑新材料技术(吉林)有限公司 | Method for preparing rubber tube by using modified slag composite material |
| CN116813317A (en) * | 2023-07-26 | 2023-09-29 | 海城利尔麦格西塔材料有限公司 | Low-carbon aluminum-magnesia carbon brick and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112138815B (en) | 2021-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112138815B (en) | Method for preparing engineering aggregate by using smelting furnace slag | |
| CN109158156B (en) | Soil remediation filtration system | |
| CN211487863U (en) | Multistage roller type crushing equipment with screening function | |
| CN209918047U (en) | Limestone crushing device | |
| CN112387401B (en) | Industrial solid waste garbage recycling method | |
| CN113857041A (en) | Continuous type sand screening device for building engineering | |
| CN114653714A (en) | Blast furnace metallurgy solid waste recycle device | |
| CN114558677A (en) | Energy-saving ore mining crushing machine with dust removal function | |
| RU2057600C1 (en) | Method of metal particles extraction from natural material | |
| CN219424565U (en) | Refining furnace slag screening system | |
| CN117000428A (en) | Iron ore sorting and processing equipment for mining area | |
| CN218222843U (en) | Automatic ore grading and crushing equipment for manganese alloy smelting | |
| CN216459374U (en) | Grinding device for high-activity ultrafine fly ash | |
| AU669823B2 (en) | Method and plant for grinding old brasques and similar products | |
| CN215029826U (en) | Thermal power plant ash treatment device | |
| CN114345473A (en) | Method for preparing cement micro-material by using solid waste | |
| CN219744916U (en) | Raw material crushing device for producing solid waste briquetting bricks | |
| CN215389589U (en) | Novel ore crusher | |
| CN220386765U (en) | Ore grinding device | |
| CN218924824U (en) | Rolling type crushing screening machine | |
| CN220387055U (en) | Building rubbish separator | |
| CN111940125B (en) | Method and system for recovering precious metals in low-grade gold tailings | |
| CN220559832U (en) | Building waste sorting device | |
| CN220460829U (en) | Raw material crushing and screening device for production of building rubbish briquetting bricks | |
| CN217492115U (en) | Cement component raw material reducing mechanism is made to construction waste |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210608 Address after: Room 601, building 2, chuangyue times cultural and creative park, 61 Xianan Road, Guicheng Street, Foshan City, Guangdong Province, 528200 Applicant after: Guangdong Bangning New Material Technology Co.,Ltd. Address before: 222000 No.2, Chenguang Road, Xinpu District, Lianyungang City, Jiangsu Province Applicant before: Song Dangjian |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |