CN105618180A - Dust-free screening and crushing integrated equipment - Google Patents
Dust-free screening and crushing integrated equipment Download PDFInfo
- Publication number
- CN105618180A CN105618180A CN201610061098.0A CN201610061098A CN105618180A CN 105618180 A CN105618180 A CN 105618180A CN 201610061098 A CN201610061098 A CN 201610061098A CN 105618180 A CN105618180 A CN 105618180A
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- CN
- China
- Prior art keywords
- level
- grades
- roll
- sieve
- roller
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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- 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
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
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- 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
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- 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
Abstract
The invention discloses dust-free screening and crushing integrated equipment. The integrated equipment comprises a machine frame, a first level crushing device, a second level crushing device, a third level crushing device, a screening device and a dust removing device. The top of the machine frame is provided with a feeding inlet and a suction opening. The first level crushing device, the second level crushing device, the third level crushing device and the screening device are located in the machine frame and are arranged in a dust-free screening and crushing integrated equipment body in a totally closed mode. The dust removing device is located outside the machine frame and connected with the suction opening. The dust-free screening and crushing integrated equipment has the beneficial effects that outdoor arrangement is adopted, concrete pouring and embedded part fixing and bearing are adopted for infrastructure construction, and a separate crushing building does not need to be constructed; dust leakage is avoided, an original coal crushing room pervaded with dust is removed, the working environment is optimized, and the cleaning workload is also reduced; the occupied area is decreased, the space is reduced, and the cost is reduced substantially.
Description
Technical field
The present invention relates to screen breaker technical field, in particular to a kind of broken integrated machine equipment of dustless sieve.
Background technology
At present, the coal handling system of the industries such as firepower thermo-power station and Coal Chemical Industry, need in advance material to be crushed for enabling material to reach fully burning at boiler. The outer disintegrating machine of Present Domestic has the disadvantage that when material is carried out break process
1, needing to build independent broken building, broken building divides three floors to be arranged, top layer dress coarse breaking machine, intermediate layer dress cylinder round sifter, and bottom is fine crusher, and this causes that in broken building, dust pollution is serious, and noise is high and vibration is big, work under bad environment;
2, the broken building of three layers is arranged, civil engineering amount is big, and cost is high, and broken cost, manual maintenance cost are high.
Summary of the invention
For solving the problems referred to above, it is an object of the invention to provide a kind of totally enclosed broken integrated machine equipment of dustless sieve, it is not necessary to independent construction crushes building, decreases the place of dust refractory reason, alleviate the cleaning works amount of staff, improve the working environment of staff.
The invention provides a kind of broken integrated machine equipment of dustless sieve, including:
Frame, it is stepped, three limits of the bottom of described Shelf External are fixed on concreting platform by built-in fitting, the bottom of described Shelf External is provided with offset plate, described offset plate be connected with belt conveyor, the close cavity of composition is close to by described belt conveyor and described offset plate, and the top of described frame is provided with feeding mouth and suction opeing;
One-level breaker, it is positioned at described frame, described one-level breaker includes one-level breaker roll, counterpunch board and one-level counterattack roller, described one-level breaker roll is positioned at the left side of described frame inner top, described one-level counterattack roller is positioned at the lower left of described one-level breaker roll and is meshed with described one-level breaker roll, described counterpunch board is positioned at above described one-level counterattack roller, and the two ends of described counterpunch board are fixed in described frame;
Two-stage crushing device, it is positioned at described frame, and described one-level breaker includes two-stage crushing roller, and described two-stage crushing roller is positioned at the lower right of described one-level breaker roll;
Three grades of breakers, it is positioned at described frame, and described three grades of breakers include three grades of breaker rolls, and described three grades of breaker rolls are positioned at the lower right of described two-stage crushing roller;
Screening plant, in its position and described frame, described screening plant includes along described one-level breaker roll, described two-stage crushing roller and described three grades of breaker roll directions multiple sieve rollers of being ladder-like arranged, the surface of multiple described sieve rollers forms the compass screen surface of screening, and the gap sieved described in any two between roller forms sieve aperture;
Dust arrester, it is positioned at outside described frame and is connected with described suction opeing.
Further improving as the present invention, described built-in fitting is bolt part, and every limit of the bottom of described Shelf External respectively with 6 bolt parts, shares 18 bolt parts.
Further improving as the present invention, described bolt part absolute altitude on the ground is not less than 0.13m.
Further improving as the present invention, described bolt part is M36 bolt, and the load-bearing of each bolt is 5.5t.
Further improve as the present invention, also include one-level driving device, described one-level driving device includes one-level counterattack roll bearing seat, one-level counterattack roll shaft, one-level roll shaft, one-level roll bearing seat and one-level belt pulley, described one-level counterattack roller is fixed on described one-level counterattack roll shaft, described one-level counterattack roll shaft is strikeed back roll bearing seat with described one-level and is coordinated, described one-level breaker roll is fixed on described one-level roll shaft, and described one-level roll shaft coordinates with described one-level roll bearing seat, described one-level belt pulley.
Further improve as the present invention, also include secondary drive device, described secondary drive device includes two grades of roll shafts, two grades of roll bearing seat, secondary pulley and second-stage electric machine, described two-stage crushing roller is fixed on described two grades of roll shafts, described two grades of roll shafts coordinate with described two grades of roll bearing seat, described secondary pulley, described secondary pulley connects by being connected belt with described second-stage electric machine, and described one-level belt pulley connects by being connected belt with described secondary pulley.
Further improve as the present invention, also include three grades of driving devices, described three grades of driving devices include three grades of roll shafts, three grades of roll bearing seat, three grades of belt pulleys and three-grade electric machine, described three grades of breaker rolls are fixed on described three grades of roll shafts, described three grades of roll shafts coordinate with described three grades of roll bearing seat, described three grades of belt pulleys, and described three grades of belt pulleys connect by being connected belt with described three-grade electric machine.
Further improve as the present invention, also include screening driving device, described screening driving device includes sieve roll shaft, sieve roll bearing seat and sieve roller motor, described sieve roller is fixed on described sieve roll shaft, described sieve roll shaft coordinates with described sieve roll bearing seat, described sieve roller side is interconnected by chain, and opposite side is connected with described sieve roller motor by sieving roll shaft.
Further improving as the present invention, the weight of the described broken integrated machine equipment of dustless sieve is 60t, and the bearing part of described concreting platform is 4, is of a size of 1.1m*0.2m, and subsurface level is not less than 0.03m, each is carried as 2t.
The invention have the benefit that
1, need not individually build broken building, breaker and screening plant are combined together, full-enclosed structure, and configure dust arrester, it does not have and leaking of dust, optimize working environment, alleviate the cleaning works amount of staff, improve the working environment of staff;
2, need not individually build broken building, decrease construction costs, the outdoor layout of whole equipment, decrease floor space, save space;
3, the basis of whole equipment is reduced to by original large area big degree of depth earth excavation, blinding layer construction, the construction of cushion cap grade beam, backfilling of earthwork that the built-in fitting of the little degree of depth of little area is pre-buried, the construction work of concreting, decreasing most civil engineering content, construction costs declines to a great extent.
Accompanying drawing explanation
Fig. 1 is the perspective view of the broken integrated machine equipment of a kind of dustless sieve described in the embodiment of the present invention;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is the installation generalized section of Fig. 1;
Fig. 4 is the scheme of installation of built-in fitting in Fig. 3.
In figure,
1, frame; 2, one-level counterattack roll bearing seat; 3, one-level counterattack roll shaft; 4, one-level counterattack roller; 5, counterpunch board; 6, feeding mouth; 7, one-level breaker roll; 8, one-level roll shaft; 9, one-level roll bearing seat; 10, one-level belt pulley; 11, suction opeing; 12, sieve roller; 13, sieve roll shaft; 14, sieve roll bearing seat; 15, belt conveyor; 16, offset plate; 17, three-grade electric machine; 18, three grades of breaker rolls; 19, three grades of roll shafts; 20, three grades of roll bearing seat; 21, three grades of belt pulleys; 22, two-stage crushing roller; 23, two grades of roll shafts; 24, two grades of roll bearing seat; 25, secondary pulley; 26, second-stage electric machine.
Detailed description of the invention
Below by specific embodiment and in conjunction with accompanying drawing, the present invention is described in further detail.
As in figure 2 it is shown, the broken integrated machine equipment of the dustless sieve of the one of the embodiment of the present invention, including frame 1, one-level breaker, two-stage crushing device, three grades of breakers, screening plant, dust arresters, the whole broken integrated machine equipment of dustless sieve is as outdoor.
Frame 1 is stepped, three limits of the bottom outside frame 1 are fixed on concreting platform by built-in fitting, the bottom of Shelf External is provided with offset plate 16, offset plate 16 be connected with belt conveyor 15, the close cavity of composition is close to by belt conveyor 15 and offset plate, and the top of frame is provided with feeding mouth 6 and suction opeing 11. Wherein, as shown in Figure 3 and Figure 4, built-in fitting is bolt part, and every limit of the bottom outside frame 1 respectively with 6 M36 bolt parts, shares 18 bolt parts. The load-bearing of each bolt is 5.5t, and absolute altitude is not less than 0.13m on the ground. The weight of the broken integrated machine equipment of dustless sieve is 60t, and the bearing part of concreting platform is 4, is of a size of 1.1m*0.2m, and subsurface level is not less than 0.03m, each is carried as 2t.
One-level breaker, it is positioned at frame 1, one-level breaker includes one-level breaker roll 7, counterpunch board 5 and one-level counterattack roller 4, one-level breaker roll 7 is positioned at the left side of frame 1 inner top, one-level counterattack roller 4 is positioned at the lower left of one-level breaker roll 7 and is meshed with one-level breaker roll 7, counterpunch board 5 is positioned at above one-level counterattack roller 4, and the two ends of counterpunch board 5 are fixed in frame 1.
Two-stage crushing device, it is positioned at frame 1, and one-level breaker includes two-stage crushing roller 22, and two-stage crushing roller 22 is positioned at the lower right of one-level breaker roll 7.
Three grades of breakers, it is positioned at frame 1, and three grades of breakers include three grades of breaker rolls 18, and three grades of breaker rolls 18 are positioned at the lower right of two-stage crushing roller 22.
Screening plant, in its position and frame 1, screening plant includes along one-level breaker roll 7, two-stage crushing roller 22 and three grades of breaker roll 18 directions multiple sieve rollers 12 of being ladder-like arranged, and the surface of multiple sieve rollers 12 forms the compass screen surface of screening, and the gap between any two sieve roller 12 forms sieve aperture.
Dust arrester, it is positioned at outside frame 1 and is connected with suction opeing 6.
As it is shown in figure 1, also include one-level driving device, secondary drive device, three grades of driving devices and screening plant. One-level driving device includes one-level counterattack roll bearing seat 2, one-level counterattack roll shaft 3, one-level roll shaft 8, one-level roll bearing seat 9 and one-level belt pulley 10, one-level counterattack roller 4 is fixed on one-level counterattack roll shaft 3, one-level counterattack roll shaft 3 is strikeed back roll bearing seat 2 with one-level and is coordinated, one-level breaker roll 7 is fixed on one-level roll shaft 8, and one-level roll shaft 8 coordinates with one-level roll bearing seat 9, one-level belt pulley 10. Secondary drive device includes 23, two grades of roll bearing seat 24 of two grades of roll shafts, secondary pulley 25 and second-stage electric machine 26, two-stage crushing roller 22 is fixed on two grades of roll shafts 23, two grades of roll shafts 23 coordinate with two grades of roll bearing seat 24, secondary pulley 25, secondary pulley 25 connects by being connected belt with second-stage electric machine 26, and one-level belt pulley 10 connects by being connected belt with secondary pulley 25. Three grades of driving devices include three grades of roll shafts, 20, three grades of belt pulleys 21 of 19, three grades of roll bearing seat and three-grade electric machine 17, three grades of breaker rolls 18 are fixed on three grades of roll shafts 19,20, three grades of belt pulleys 21 of three grades of roll shafts 19 and three grades of roll bearing seat coordinate, and three grades of belt pulleys 21 connect by being connected belt with three-grade electric machine 17. Screening driving device includes sieve roll shaft 13, sieve roll bearing seat 14 and sieve roller motor, sieve roller 12 is fixed on sieve roll shaft 13, sieve roll shaft 13 coordinates with sieve roll bearing seat 14, and sieve roller 12 side is interconnected by chain, and opposite side is connected with sieve roller motor by sieving roll shaft 13.
Time specifically used, material enters from feeding mouth 6, by the one-level breaker roll 7 of high-speed rotation, counterpunch board 5 and one-level counterattack roller 4 are split brokenly, folding is broken, after the combined crushing of multiple broken form such as breaking up, drop on 12, roller of sieve, separate through the screening of the roller 12 that sieves, small particles material drops on belt conveyor 15 by sieving the sieve aperture between roller 12, material on belt conveyor 15 directly delivers to boiler through blanking barrel, large granular materials continues to be carried by sieve roller 12, crushed by the two-stage crushing roller 22 of high-speed rotation, simultaneously, small particles material drops on belt conveyor 15 by sieving the sieve aperture between roller 12, material on belt conveyor 15 directly delivers to boiler through blanking barrel, large granular materials continues to be carried by sieve roller 12, the grain particles of needs it is broken into by the three of high-speed rotation grades of breaker rolls 18, from three grades of breaker roll 18 base falls to belt conveyor 15, material on belt conveyor 15 directly delivers to boiler through blanking barrel. dust arrester adsorption plant is internal and will leak between offset plate 16 lower edge and belt conveyor 15 dust, it is to avoid leaking of dust.
The whole broken integrated machine equipment of dustless sieve will be totally-enclosed in equipment for one-level breaker, two-stage crushing device, three grades of breakers and screening plant, gross weight of equipment amount is about 60t, adopt outdoor layout, capital construction adopts the fixing load-bearing of concreting, built-in fitting, it is no longer necessary to build independent broken building. There is no leaking of dust, eliminate the coal crusher house that original dust fills the air, optimize working environment, decrease the workload of cleaning, decrease floor space, save space, and significantly reduce cost.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (9)
1. the broken integrated machine equipment of dustless sieve, it is characterised in that including:
Frame (1), it is stepped, three limits of the bottom that described frame (1) is outside are fixed on concreting platform by built-in fitting, the bottom of described Shelf External is provided with offset plate (16), described offset plate (16) be connected with belt conveyor (15), the close cavity of composition is close to by described belt conveyor (15) and described offset plate, and the top of described frame is provided with feeding mouth (6) and suction opeing (11);
One-level breaker, it is positioned at described frame (1), described one-level breaker includes one-level breaker roll (7), counterpunch board (5) and one-level counterattack roller (4), described one-level breaker roll (7) is positioned at the left side of described frame (1) inner top, described one-level counterattack roller (4) is positioned at the lower left of described one-level breaker roll (7) and is meshed with described one-level breaker roll (7), described counterpunch board (5) is positioned at described one-level counterattack roller (4) top, and the two ends of described counterpunch board (5) are fixed in described frame (1),
Two-stage crushing device, it is positioned at described frame (1), and described one-level breaker includes two-stage crushing roller (22), and described two-stage crushing roller (22) is positioned at the lower right of described one-level breaker roll (7);
Three grades of breakers, it is positioned at described frame (1), and described three grades of breakers include three grades of breaker rolls (18), and described three grades of breaker rolls (18) are positioned at the lower right of described two-stage crushing roller (22);
Screening plant, in its position and described frame (1), described screening plant includes along described one-level breaker roll (7), described two-stage crushing roller (22) and described three grades of breaker roll (18) directions multiple sieve rollers (12) of being ladder-like arranged, the surface of multiple described sieve rollers (12) forms the compass screen surface of screening, and the gap sieved described in any two between roller (12) forms sieve aperture;
Dust arrester, it is positioned at described frame (1) and outward and is connected with described suction opeing (6).
2. the broken integrated machine equipment of dustless sieve according to claim 1, it is characterised in that described built-in fitting is bolt part, every limit of the bottom that described frame (1) is outside respectively with 6 bolt parts, shares 18 bolt parts.
3. the broken integrated machine equipment of dustless sieve according to claim 2, it is characterised in that described bolt part absolute altitude on the ground is not less than 0.13m.
4. the broken integrated machine equipment of dustless sieve according to claim 3, it is characterised in that described bolt part is M36 bolt, and the load-bearing of each bolt is 5.5t.
5. the broken integrated machine equipment of dustless sieve according to claim 1, it is characterized in that, also include one-level driving device, described one-level driving device includes one-level counterattack roll bearing seat (2), one-level counterattack roll shaft (3), one-level roll shaft (8), one-level roll bearing seat (9) and one-level belt pulley (10), described one-level counterattack roller (4) is fixed in described one-level counterattack roll shaft (3), described one-level counterattack roll shaft (3) is strikeed back roll bearing seat (2) with described one-level and is coordinated, described one-level breaker roll (7) is fixed on described one-level roll shaft (8), described one-level roll shaft (8) and described one-level roll bearing seat (9), described one-level belt pulley (10) coordinates.
6. the broken integrated machine equipment of dustless sieve according to claim 5, it is characterized in that, also include secondary drive device, described secondary drive device includes two grades of roll shafts (23), two grades of roll bearing seat (24), secondary pulley (25) and second-stage electric machine (26), described two-stage crushing roller (22) is fixed on described two grades of roll shafts (23), described two grades of roll shafts (23) and described two grades of roll bearing seat (24), described secondary pulley (25) coordinates, described secondary pulley (25) connects by being connected belt with described second-stage electric machine (26), described one-level belt pulley (10) connects by being connected belt with described secondary pulley (25).
7. the broken integrated machine equipment of dustless sieve according to claim 6, it is characterized in that, also include three grades of driving devices, described three grades of driving devices include three grades of roll shafts (19), three grades of roll bearing seat (20), three grades of belt pulleys (21) and three-grade electric machine (17), described three grades of breaker rolls (18) are fixed on described three grades of roll shafts (19), described three grades of roll shafts (19) and described three grades of roll bearing seat (20), described three grades of belt pulleys (21) coordinate, described three grades of belt pulleys (21) connect by being connected belt with described three-grade electric machine (17).
8. the broken integrated machine equipment of dustless sieve according to claim 7, it is characterized in that, also include screening driving device, described screening driving device includes sieve roll shaft (13), sieve roll bearing seat (14) and sieve roller motor, described sieve roller (12) is fixed on described sieve roll shaft (13), described sieve roll shaft (13) coordinates with described sieve roll bearing seat (14), described sieve roller (12) side is interconnected by chain, and opposite side is connected with described sieve roller motor by sieving roll shaft (13).
9. the broken integrated machine equipment of dustless sieve according to any one in claim 1-8, it is characterised in that the weight of the described broken integrated machine equipment of dustless sieve is 60t, the bearing part of described concreting platform is 4, being of a size of 1.1m*0.2m, subsurface level is not less than 0.03m, each is carried as 2t.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061098.0A CN105618180B (en) | 2016-01-28 | 2016-01-28 | A kind of dustless broken integrated machine equipment of sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061098.0A CN105618180B (en) | 2016-01-28 | 2016-01-28 | A kind of dustless broken integrated machine equipment of sieve |
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| Publication Number | Publication Date |
|---|---|
| CN105618180A true CN105618180A (en) | 2016-06-01 |
| CN105618180B CN105618180B (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610061098.0A Active CN105618180B (en) | 2016-01-28 | 2016-01-28 | A kind of dustless broken integrated machine equipment of sieve |
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| Country | Link |
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| CN (1) | CN105618180B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108855392A (en) * | 2018-06-19 | 2018-11-23 | 河南省振源科技有限公司 | Three-level one sandstone crushing system |
| CN109197170A (en) * | 2018-08-17 | 2019-01-15 | 安徽信息工程学院 | The seedpod of the lotus takes off fluffy device |
| CN111514972A (en) * | 2020-04-30 | 2020-08-11 | 王莎莎 | Steel-making steel slag crushing, sorting and recycling treatment system |
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| CN204620358U (en) * | 2015-04-30 | 2015-09-09 | 王洪 | A kind of circulating fluidized bed boiler fuel sieve crushing device |
| CN205462410U (en) * | 2016-01-28 | 2016-08-17 | 大唐环境产业集团股份有限公司 | Garrulous all -in -one equipment of dustless sieve |
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| CN200945439Y (en) * | 2006-08-23 | 2007-09-12 | 邹甫骏 | Roller type crusher |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108855392A (en) * | 2018-06-19 | 2018-11-23 | 河南省振源科技有限公司 | Three-level one sandstone crushing system |
| CN109197170A (en) * | 2018-08-17 | 2019-01-15 | 安徽信息工程学院 | The seedpod of the lotus takes off fluffy device |
| CN111514972A (en) * | 2020-04-30 | 2020-08-11 | 王莎莎 | Steel-making steel slag crushing, sorting and recycling treatment system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105618180B (en) | 2018-05-25 |
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