CN105728160A - Fused magnesite crushing and separating system - Google Patents
Fused magnesite crushing and separating system Download PDFInfo
- Publication number
- CN105728160A CN105728160A CN201610240382.4A CN201610240382A CN105728160A CN 105728160 A CN105728160 A CN 105728160A CN 201610240382 A CN201610240382 A CN 201610240382A CN 105728160 A CN105728160 A CN 105728160A
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- Prior art keywords
- fused magnesite
- cyclone separator
- broken apart
- vertical shaft
- vibrating screen
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Classifications
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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
- B02C21/00—Disintegrating plant with or without drying of the 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
- B02C23/02—Feeding devices
-
- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Cyclones (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides a fused magnesite crushing and separating system which comprises a jaw crusher, a vertical shaft impact crusher, a first cyclone separator, a linear vibrating screen, a second cyclone separator and a magnetic separator, wherein an outlet of the jaw crusher is communicated with an inlet of the vertical shaft impact crusher; an outlet of the vertical shaft impact crusher is communicated with an inlet of the first cyclone separator; a discharge hole of the first cyclone separator is communicated with the linear vibrating screen; a residue outlet of the linear vibrating screen is communicated with an inlet of the second cyclone separator; and a discharge hole of the second cyclone separator is communicated with an inlet of the magnetic separator. The fused magnesite crushing and separating system has a simple, reasonable and compact structure, is good in crushing and micro powder separating effect and can effectively lower the content of micro powder in a product.
Description
Technical field
The present invention relates to disintegrating apparatus technology, particularly relate to a kind of broken apart system of fused magnesite.
Background technology
Existing fused magnesite pulverizes equipment because of its self structure defect, cause that broken apart product powder content is too high, and then cause that fused magnesite product exists following defect: product flow rate is big, Density inhomogeneity, dust big, it is not of uniform size to insulate after electrothermal tube tubulation, elongation percentage is different in size after electrothermal tube tubulation.So, it would be highly desirable to a kind of under ensureing the premise of crush efficiency and quality, can effectively reduce the broken apart system of fused magnesite of powder content.
Summary of the invention
It is an object of the invention to, for above-mentioned existing disintegrating apparatus unreasonable structure, cause the problem that in product, powder content is too high, a kind of broken apart system of fused magnesite is proposed, this system structure is simple, reasonable, compact, crushes and dust removing effect is good, can effectively reduce powder content in product.
For achieving the above object, the technical solution used in the present invention is: a kind of broken apart system of fused magnesite, including jaw crusher, vertical shaft impact crusher, first cyclone separator, linear vibrating screen, second cyclone separator and magnetic separator, the outlet of described jaw crusher connects with vertical shaft impact crusher entrance, the outlet of described vertical shaft impact crusher connects with the first cyclone inlet, described first cyclone separator discharge port connects with linear vibrating screen, the outlet of described linear vibrating screen residue on sieve connects with the second cyclone inlet, described second cyclone separator discharge port connects with magnetic separator entrance.
Further, the first elevator, feed bin and vibra feeder it are disposed with between described jaw crusher and vertical shaft impact crusher.Specifically, the outlet of described jaw crusher is arranged at the first elevator track lower end, the feed bin being arranged below matching with material-loading bucket discharging opening of described first elevator track upper end, described bin outlet is arranged on above vibra feeder, and the outlet of described vibra feeder connects with vertical shaft impact crusher entrance.Vibra feeder can realize uniform feeding.
Further, described vertical shaft impact crusher includes but not limited to PCL-600, and described vertical shaft impact crusher wheel speed is 2000～2470r/min, and treating capacity is 0～35t/h.Material is entered vertical shaft impact crusher by feed hopper, through tripper (powder cone), material is divided into two parts, a part is by the impeller entering high speed rotating in the middle of tripper, accelerated rapidly in impeller, its acceleration is up to hundreds times acceleration of gravity, then go out from impelling in three uniform runners of impeller at high speed, first crush with by the free-falling a part of material impact of tripper surrounding, then impact whirlpool together and prop up on the interior material lining in chamber (impulse chamber), rebounded by material lining, impact the top in whirling motion chamber obliquely, change again its direction of motion, deflection moves downward, the material emitted from impeller channel forms continuous print material curtain.Such one block of material is subject to twice in Turbulent chamber so that repeatedly probability is clashed into, rubbed and grind fragmentation.The material being broken is discharged by bottom discharge gate.
Further, it is provided with the second elevator between described first cyclone separator and linear vibrating screen.Specifically, described cyclone separator discharge port is arranged at the second elevator track lower end, and described linear vibrating screen is arranged at the lower section of the second elevator track upper end.
Further, described linear vibrating screen is provided above vibrosieve dust collection cover.
Further, it is provided with between described linear vibrating screen and the second cyclone separator and carries material blower fan.The described material blower fan that carries is 1.5kw.
Further, also including pulse dust removal equipment, described vibrosieve dust collection cover connects with pulse dust removal equipment.
Further, described magnetic separator is 3 grade of half magnetic permanent magnetism rail, and per pass track magnetic force is 5000-10000GS, it is preferred to 8000GS.
Further, it is provided with the 3rd elevator between described second cyclone separator discharge port and magnetic separator entrance.Specifically, described second cyclone separator discharge port is arranged at the 3rd elevator track lower end, and described magnetic separator is arranged at the lower section of the 3rd elevator track upper end.
Further, the outlet of described magnetic separator is provided with storage bin, and the product after magnetic separation separation enters storage bin and treats quantitative package.
Adopt system of the present invention that the method that fused magnesite is broken apart is comprised the following steps:
(1) raw material putting into jaw crusher and carry out primary fragmentation, be crushed to granularity less than 6-8cm (being preferably 7cm) to feed particles, 40 order granule contents are 5-15% (being preferably 10%)；
(2) the feed particles entrance vertical shaft impact crusher after primary fragmentation carries out second-time breakage, it is crushed to granularity less than 4-6cm (being preferably 5cm) to feed particles, 40 order granule contents are 40-60% (being preferably 50%), and wherein the granule of 40 orders is object；
(3) feed particles after second-time breakage enters the first cyclone separator and carries out a dust removing, by feed particles less than the particle separation of 400 orders；Described first cyclone separator not only can realize a dust removing can also cool down feed particles cooling；
Feed particles after (4) dust removings is placed on linear vibrating screen, removes 325 order particles below；Screening adopts the screen cloth of U.S. ASTM standard to carry out；
(5) tail over feed particles and deliver in the second cyclone separator, carry out secondary dust removing；
(6) the feed particles entrance magnetic separator after secondary dust removing carries out magnetic separation, obtains target product.Such as magnesium oxide particle.
Further, described raw material is one or more in fused magnesite, Rhizoma Euonymus sand and Clausena lansium (Lour.) Skeels sand.Described fused magnesite includes one or more in 95 fused magnesites, 96 fused magnesites, 97 fused magnesites and 98 fused magnesites.
Further, the feed particles after described primary fragmentation is in the first elevator traffic to storage bin, and feed particles falls into entrance vertical shaft impact crusher after vibra feeder through storage bin.Vibra feeder can realize uniform feeding.
Further, in step (3), the revolution of the first cyclone separator depends on raw material type, and when being fused magnesite such as raw material, revolution is 2700 ± 20r/min；When raw material is skin sand (electric smelting skin sand), revolution is 2500 ± 20r/min.
Further, the feed particles after a described dust removing is promoted to linear vibrating screen by the second elevator.
Further, tail over feed particles described in deliver in the second cyclone separator through carrying material blower fan.
Further, the feed particles after described secondary dust removing is promoted to magnetic separator by the 3rd elevator.
The broken apart system structure of one fused magnesite of the present invention is simple, reasonable, compact, has the advantage that compared with prior art
1, the present invention includes jaw crusher, two kinds of disintegrating apparatus of vertical shaft impact crusher, can realize crushing for twice of raw material, and after broken under the ultracentrifugal effect of vertical shaft impact crusher, material particles is mellow and full, has high density and splendid mobility.
2, the present invention includes the first cyclone separator, the second cyclone separator two-stage dust removing, and dust removing efficiency is high.In target product, powder content is low to moderate 0.3～0.8%wt from (existing disintegrating apparatus) 1～1.5%wt before transformation, improving while its physicochemical property, also substantially improves Workshop Production environment.
3, the target product that powder content is relatively low is easy to successive modified deep processing and density adjustment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the broken apart system of fused magnesite of the present invention；
Fig. 2 is the sectional view of vertical shaft impact crusher；
Fig. 3 is vertical shaft impact crusher left view
Fig. 4 is the front view including jaw crusher；
Fig. 5 is the front view of linear vibrating screen；
Fig. 6 is the front view of the first cyclone separator；
Fig. 7 is the front view of magnetic separator.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described:
Embodiment 1
Present embodiment discloses a kind of broken apart system of fused magnesite as shown in figs. 1-7, including jaw crusher the 1, first elevator 3, feed bin 2, vibra feeder, vertical shaft impact crusher the 4, first cyclone separator 5, linear vibrating screen the 7, second cyclone separator 10 and magnetic separator 12.
The first elevator 3, feed bin 2 and vibra feeder it is disposed with between described jaw crusher 1 and vertical shaft impact crusher 4.Specifically, the outlet of described jaw crusher 1 is arranged at the first elevator track lower end, the feed bin being arranged below matching with material-loading bucket discharging opening of described first elevator track upper end, described bin outlet is arranged on above vibra feeder, and the outlet of described vibra feeder connects with vertical shaft impact crusher entrance.Vibra feeder can realize uniform feeding.
The outlet of described vertical shaft impact crusher 4 connects with the first cyclone separator 5 entrance, and described vertical shaft impact crusher includes but not limited to PCL-600, and described vertical shaft impact crusher wheel speed is 2000～2470r/min, and treating capacity is 0～35t/h.Material is entered vertical shaft impact crusher by feed hopper, through tripper 13 (powder cone), material is divided into two parts, a part is by the impeller 14 entering high speed rotating in the middle of tripper 13, accelerated rapidly in impeller, its acceleration is up to hundreds times acceleration of gravity, then go out from impelling in three uniform runners of impeller at high speed, first crush with by the free-falling a part of material impact of tripper surrounding, then impact whirlpool together and prop up on the interior material lining in chamber 15 (impulse chamber), rebounded by material lining 16, impact the top in whirling motion chamber obliquely, change again its direction of motion, deflection moves downward, the material emitted from impeller channel forms continuous print material curtain.Such one block of material is subject to twice in Turbulent chamber so that repeatedly probability is clashed into, rubbed and grind fragmentation.The material being broken is discharged by bottom discharge gate.
It is provided with the second elevator 6 between described first cyclone separator 5 and linear vibrating screen 7.Specifically, described first cyclone separator 5 discharge port is arranged at the second elevator track lower end, and described linear vibrating screen is arranged at the lower section of the second elevator track upper end.Described linear vibrating screen is provided above vibrosieve dust collection cover 8.
It is provided with between described linear vibrating screen 7 and the second cyclone separator 10 and carries material blower fan 9.The described material blower fan that carries is 1.5kw, and the broken apart system of described fused magnesite also includes pulse dust removal equipment, and described vibrosieve dust collection cover connects with pulse dust removal equipment.
It is provided with the 3rd elevator 11 between described second cyclone separator 10 discharge port and magnetic separator 12 entrance.Specifically, described second cyclone separator discharge port is arranged at the 3rd elevator track lower end, and described magnetic separator is arranged at the lower section of the 3rd elevator track upper end.The outlet of described magnetic separator is provided with storage bin, and the product after magnetic separation separation enters storage bin and treats quantitative package.The magnetic separator that the present embodiment adopts is 3 grade of half magnetic permanent magnetism rail, and per pass track magnetic force is 5000-10000GS, it is preferred to 8000GS.
Adopt system described in the present embodiment that the method that fused magnesite is broken apart is comprised the following steps:
(1) raw material is for fused magnesite, raw material is put into jaw crusher and carries out primary fragmentation, is crushed to granularity less than being preferably 7cm to feed particles, and 40 order granule contents are 10%；It is appreciated that described raw material is except one or more for choosing in Rhizoma Euonymus sand and Clausena lansium (Lour.) Skeels sand except fused magnesite.Described fused magnesite includes one or more in 95 fused magnesites, 96 fused magnesites, 97 fused magnesites and 98 fused magnesites.
(2) feed particles after described primary fragmentation is in the first elevator traffic to storage bin, feed particles falls into entrance vertical shaft impact crusher after vibra feeder through storage bin, vertical shaft impact crusher carries out second-time breakage, it is crushed to granularity less than 5cm to feed particles, 40 order granule contents are 50%, and wherein the granule of 40 orders is object；Vibra feeder can realize uniform feeding.
(3) feed particles after second-time breakage enters the first cyclone separator and carries out a dust removing, by feed particles less than the particle separation of 400 orders；Described first cyclone separator not only can realize a dust removing can also cool down feed particles cooling；The revolution of the first cyclone separator depends on raw material type, and when being fused magnesite such as raw material, revolution is 2700 ± 20r/min；When raw material is skin sand (electric smelting skin sand), revolution is 2500 ± 20r/min.
Feed particles after (4) dust removings is promoted to linear vibrating screen by the second elevator, removes 325 order particles below；Screening adopts the screen cloth of U.S. ASTM standard to carry out；
(5) tail over feed particles described in and deliver in the second cyclone separator through carrying material blower fan, carry out secondary dust removing；
(6) feed particles after secondary dust removing is promoted to magnetic separator by the 3rd elevator, and magnetic separator carries out magnetic separation, obtains magnesium oxide particle.
Embodiment 2
Present embodiment discloses a kind of broken apart system of fused magnesite, its structure is substantially the same manner as Example 1, the difference is that the first cyclone separator in the present embodiment and the second cyclone separator are the cyclone separator with plate, this cyclone separator is on the cyclone cylinder inwall of inlet (dust contained gas), circumferentially arranged have multiple plate, and described plate aweather flow direction tilts.Comparing and can be difficult to separate because of poly-heap with ordinary cyclones separator granule, the particulate matter of poly-heap can be broken up by the present embodiment with the cyclone separator of plate, is conducive to separating.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the broken apart system of fused magnesite, it is characterized in that, including jaw crusher, vertical shaft impact crusher, the first cyclone separator, linear vibrating screen, the second cyclone separator and magnetic separator, the outlet of described jaw crusher connects with vertical shaft impact crusher entrance, the outlet of described vertical shaft impact crusher connects with the first cyclone inlet, described first cyclone separator discharge port connects with linear vibrating screen, the outlet of described linear vibrating screen residue on sieve connects with the second cyclone inlet, and described second cyclone separator discharge port connects with magnetic separator entrance.
2. the broken apart system of fused magnesite according to claim 1, it is characterised in that be disposed with the first elevator, feed bin and vibra feeder between described jaw crusher and vertical shaft impact crusher.
3. the broken apart system of fused magnesite according to claim 1, it is characterised in that described vertical shaft impact crusher wheel speed is 2000～2470r/min.
4. the broken apart system of fused magnesite according to claim 1, it is characterised in that be provided with the second elevator between described first cyclone separator and linear vibrating screen.
5. the broken apart system of fused magnesite according to claim 1, it is characterised in that described linear vibrating screen is provided above vibrosieve dust collection cover.
6. the broken apart system of fused magnesite according to claim 1, it is characterised in that be provided with between described linear vibrating screen and the second cyclone separator and carry material blower fan.
7. the broken apart system of fused magnesite according to claim 5, it is characterised in that including pulse dust removal equipment, described vibrosieve dust collection cover connects with pulse dust removal equipment.
8. the broken apart system of fused magnesite according to claim 1, it is characterised in that described magnetic separator is 3 grade of half magnetic permanent magnetism rail, and per pass track magnetic force is 5000-10000GS.
9. the broken apart system of fused magnesite according to claim 1, it is characterised in that be provided with the 3rd elevator between described second cyclone separator discharge port and magnetic separator entrance.
10. the broken apart system of fused magnesite according to claim 1, it is characterised in that the outlet of described magnetic separator is provided with storage bin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610240382.4A CN105728160B (en) | 2016-04-18 | 2016-04-18 | A kind of broken apart system of fused magnesite |
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| CN201610240382.4A CN105728160B (en) | 2016-04-18 | 2016-04-18 | A kind of broken apart system of fused magnesite |
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| CN105728160B CN105728160B (en) | 2018-02-13 |
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Cited By (2)
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| CN112642570A (en) * | 2020-12-16 | 2021-04-13 | 陕西省膜分离技术研究院有限公司 | Integrated automatic device and method for crushing, weighing and subpackaging fine chemical products |
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| CN112642570B (en) * | 2020-12-16 | 2023-11-10 | 陕西省膜分离技术研究院有限公司 | Automatic device and method for crushing, weighing and split charging integration of fine chemical products |
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