CN109174411B - Silicon carbide granularity sand production device - Google Patents

Silicon carbide granularity sand production device Download PDF

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Publication number
CN109174411B
CN109174411B CN201811035491.8A CN201811035491A CN109174411B CN 109174411 B CN109174411 B CN 109174411B CN 201811035491 A CN201811035491 A CN 201811035491A CN 109174411 B CN109174411 B CN 109174411B
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China
Prior art keywords
raymond mill
rotating shaft
connecting strip
silicon carbide
wheel disc
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CN201811035491.8A
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Chinese (zh)
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CN109174411A (en
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不公告发明人
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Qinghai Xinchang New Material Technology Co ltd
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Qinghai Jiatong Solar New Material Co ltd
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Publication of CN109174411A publication Critical patent/CN109174411A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/08Mills with balls or rollers centrifugally forced against the inner surface of a ring, the balls or rollers of which are driven by a centrally arranged member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/02Feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14Separating or sorting of material, associated with crushing or disintegrating with more than one separator

Abstract

The invention relates to a silicon carbide granularity sand production device which comprises a vibration blanking device, a Raymond mill, a primary cyclone separator, a secondary cyclone separator, a bag-type dust collector and an induced draft fan device, wherein the Raymond mill comprises a Raymond mill host and a Raymond mill analyzer arranged above the Raymond mill host, the Raymond mill analyzer comprises an analyzer outer barrel and a grading wheel, the analyzer outer barrel is hermetically connected with the Raymond mill host, the grading wheel comprises an upper wheel disk, a lower wheel disk and blades, a truncated cone-shaped inner cavity matched with a right trapezoid area at the upper end of each blade is arranged at the upper end of the analyzer outer barrel, a rotating shaft fixing plate is further arranged below the lower wheel disk, the grading wheel further comprises a grading wheel rotating shaft, a screw limiting device is respectively arranged on the left side and the right side of the rotating shaft fixing plate, and corresponding limiting holes are formed in. The invention has high working efficiency and stable work, and can effectively avoid the problem that large-particle silicon carbide slips off from the side wall of the upper part of the grading wheel, thereby causing the product to be unqualified.

Description

Silicon carbide granularity sand production device
Technical Field
The invention relates to the technical field of silicon carbide production equipment, in particular to small-particle silicon carbide production equipment.
Background
The traditional production of silicon carbide granularity sand all adopts a water washing system, the working principle is that the subsection production is carried out according to the difference of the sedimentation velocity of each granularity section in water, the subsection production method has the advantages of high subsection precision, the subsection production can be carried out according to a plurality of standard sections such as national standard, Japanese standard, European standard and the like, and the subsection production method has the defects of large water consumption (about 30 tons of water consumption per ton of silicon carbide), low efficiency (48 hours from input to output of a batch of silicon carbide), large loss (3 percent of loss), large secondary drying power consumption (1285 kwh of power consumption per ton of silicon carbide) and the like. The main reason for the non-uniform particle size of the silicon carbide particles produced by the existing dry silicon carbide production line is found by careful analysis that the large particles slide away along the side wall of the classifying wheel at a certain moment due to the improper classifying wheel on the main machine and the too large distance between the classifying wheel and the side wall of the cylinder body under certain conditions. For example, a small amount of large particles of 0.1mm or more are produced in a 200-mesh product, which is not allowed, because the 200-mesh silicon carbide-size sand is mainly used for cutting precision parts, if large particles exist, the whole part is cut and scrapped, and if the large particles are too fine and have no cutting efficiency, only a finished product within a certain range can be suitable. Therefore, it is necessary to design a silicon carbide grit production device with uniform and standard particles.
Disclosure of Invention
The invention provides a silicon carbide granularity sand production device which is provided with an adjustable height of a grading wheel of a Raymond mill analyzer, can effectively filter out large-grained silicon carbide granularity sand, and is simple and stable in structure and high in production efficiency. In order to achieve the purpose, the invention adopts the following technical scheme: a 200-mesh silicon carbide granularity sand production device, which comprises a vibration blanking device and a Raymond mill connected with the vibration blanking device, a first-stage cyclone separator connected with the Raymond mill, a second-stage cyclone separator connected with the first-stage cyclone separator, a bag-type dust collector communicated with the secondary cyclone separator, and an induced draft fan device connected with the bag-type dust collector, the Raymond mill comprises a Raymond mill main machine and a Raymond mill analyzer arranged above the Raymond mill main machine, the Raymond mill analyzer comprises an analyzer outer cylinder which is hermetically connected with the Raymond mill main machine, a motor mounting plate which is arranged on the analyzer outer cylinder, a first variable frequency motor which is arranged on the motor mounting plate, the grading wheel is connected with the first variable frequency motor shaft and comprises an upper wheel disc, a lower wheel disc and a plurality of blades, wherein the blades are fixed between the upper wheel disc and the lower wheel disc and are arranged around the circumference. The novel blade is characterized by comprising a first long strip part, wherein the first end of the first long strip part extends outwards to form a plate area with a section of curved arc edge, the upper end of the plate area extends outwards to form a right trapezoid area, the outer side edge of the second end of the first long strip area inclines inwards to form a lower right trapezoid area, the upper end of the outer cylinder of the analyzer is provided with a truncated cone-shaped inner cavity matched with the right trapezoid area, the blade setting direction and the radius direction of the upper wheel disc form a certain angle included angle, the middle part of the lower wheel disc is provided with a bearing mounting hole, a rotating shaft fixing plate is further arranged below the lower wheel disc, the lower wheel disc is connected with the rotating shaft fixing plate through threads, the threads are provided with a support sleeve with a certain length, the rotating shaft fixing plate is provided with a rotating shaft fixing hole, and the central axis of the rotating shaft fixing, the grading wheel also comprises a grading wheel rotating shaft which penetrates through the upper wheel disc and the lower wheel disc and extends out of the rotating shaft fixing hole, the left side and the right side of the rotating shaft fixing plate are respectively provided with a screw limiting device, and the rotating shaft is provided with a corresponding limiting hole. Through the depth of the rotating shaft screw-in rotating shaft fixing hole of the micro-adjustment rotating shaft grading wheel, the position of the grading wheel in the Raymond mill analyzer can be adjusted in a micro manner, so that the upper right-angle trapezoidal area of the grading wheel surrounds the conical frustum body formed by arrangement and the distance between the inner cavities of the conical frustum bodies, and therefore large-granularity sand is prevented from sliding away from the gap, and meanwhile, the grading wheel can be conveniently matched with the cavity shell, and the micro-adjustment rotating shaft grading wheel is simple and reliable.
Preferably, the screw limiting device comprises a fixed threaded sleeve arranged on the rotating shaft fixing plate and a screw matched with the fixed threaded sleeve.
Preferably, the limiting holes comprise a first limiting hole and a second limiting hole, and the distance between the first limiting hole and the second limiting hole in the vertical direction is 3-4 mm.
Preferably, the upper corner of the right-angle trapezoidal area of the upper wheel disc is 45-60 degrees, and the side length of the inclined edge is 25-50 mm.
Preferably, the blades are arranged in a direction forming an included angle of 20-35 degrees with the radius direction of the upper wheel disc.
Preferably, the width of the inclined surface of the truncated cone-shaped inner cavity is 5-10 mm longer than the length of the inclined edge.
Preferably, the feeding port of the main machine of the Raymond mill is connected with the vibration blanking device through a rubber connecting piece, the rubber connecting piece is of a spiral cylindrical structure, rubber at two ends of the rubber connecting piece horizontally extends outwards and turns over to form a horizontal connecting end face, a plurality of threaded holes are formed in the horizontal connecting end face, the horizontal connecting end face comprises a first end face and a second end face, the first end face is arranged between a feeding port flange of the main machine of the Raymond mill and an annular flange plate, the feeding port flange of the main machine of the Raymond mill is connected with the annular flange plate through bolts, the second end face is arranged between a discharging port flange plate of the vibration blanking device and a second annular flange plate, the discharging port flange plate of the vibration blanking device is connected with the second annular flange plate through bolts, and a guide rod is arranged between the feeding port flange of, and the guide rod is sleeved with a buffer spring. The rubber spare structure that this technical scheme provided can adopt the ring flange to connect, and is sealed effectual and sealed stable, and the design of guide bar can be avoided raymond mill host computer feed inlet flange with produce great difference in position between the vibration unloader discharge gate ring flange.
Preferably, the Raymond mill further comprises a rack, and the length direction and the width direction of the rack are both provided with bubble levels, so that whether the Raymond mill is placed horizontally or not can be conveniently observed.
Preferably, the machine frame comprises a machine frame leg, the machine frame leg comprises a fixed machine frame leg and a lifting machine frame leg sleeved in the fixed machine frame leg, the lower end of the lifting machine frame leg is provided with a height adjusting device, the other end of the height adjusting device is fixedly connected with the bottom of the fixed machine frame leg, the height adjusting device comprises a first connecting strip and a second connecting strip which are parallel to each other, a first upper connecting strip hinged with the first connecting strip and a second upper connecting strip hinged with the second connecting strip, the first upper connecting strip is hinged with the second upper connecting strip and connected with the lifting machine frame leg, the lifting machine frame leg further comprises a first lower connecting strip hinged with the other end of the first connecting strip and a second lower connecting strip hinged with the other end of the second connecting strip, the first lower connecting strip is hinged with the second lower connecting strip and connected with the bottom of the fixed machine frame leg, the connecting device also comprises a screw rod penetrating through the first connecting strip and the second connecting strip and an adjusting rotating wheel arranged at the end of the screw rod. The purpose of doing so is can observe whether the raymond mill is placed horizontally at any time, because if the host computer of raymond mill has great levelness deviation in operating condition, then can cause the grinding roller to produce the vibration when operation big, can seriously influence production efficiency like this, still can cause the damage of different degrees to equipment. Through the design of the liftable rack legs, the levelness of the rack can be conveniently adjusted.
In conclusion, according to the technical scheme provided by the invention, the shape of the blade of the grading wheel is redesigned, small-particle-size sand and large-particle-size sand can be separated more easily, and the distance between the large circle on the upper part of the grading wheel and the inner cavity of the conical table of the shell of the grading wheel can be adjusted by adjusting the matching depth of the rotating shaft of the grading wheel and the rotating shaft fixing hole, so that the processing difficulty can be effectively reduced, the distance can be controlled, and the larger-particle-size sand is prevented from slipping out of the gap.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic view of a classifying wheel structure of the Raymond mill analyzer of the present invention.
FIG. 3 is a schematic view showing a part of the structure of the rubber connecting member of the present invention.
Fig. 4 is a schematic structural view of a leg portion of the stand of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a silicon carbide granularity sand production device which is provided with an adjustable height of a grading wheel of a Raymond mill analyzer, can effectively filter out larger silicon carbide granularity sand, and has simple and stable structure and high production efficiency.
The utility model provides a carborundum granularity sand apparatus for producing, including vibration unloader 1, with vibration unloader 1 continuous Raymond mill 2, with the one-level cyclone 3 that Raymond mill 2 links to each other, with the second grade cyclone 4 that one-level cyclone 3 links to each other, with the sack cleaner 5 that second grade cyclone 4 is linked together, still include with draught fan device 6 that sack cleaner 5 links to each other, Raymond mill 2 includes Raymond mill host computer 7 and sets up in Raymond mill analysis machine 8 of Raymond mill host computer 7 top, Raymond mill analysis machine 8 include with the analysis machine urceolus of Raymond mill host computer sealing connection, set up in the motor mounting panel on the analysis machine urceolus, set up in the first inverter motor 9 of motor mounting panel, with the gradation wheel that first inverter motor 9 bent axle links to each other, the gradation wheel includes upper wheel dish 101 and lower rim wheel dish 102, the wind power generator further comprises a plurality of blades 103 which are fixed between the upper wheel disc 101 and the lower wheel disc 102 and arranged around the circumference. The blade is characterized in that the blade comprises a first long strip, a first end of the first long strip extends outwards to form a plate area 1031 with a section of curved edge, the upper end of the plate area 1031 extends outwards to form a right trapezoid area 1032, the outer side edge of a second end of the first long strip area inclines inwards to form a lower right trapezoid area 1033, the upper end of the outer cylinder of the analyzer is provided with a cone frustum-shaped inner cavity matched with the right trapezoid area 1032, the arrangement direction of the blade 103 forms a certain angle with the radius direction of the upper wheel disc 101, the middle part of the lower wheel disc 102 is provided with a bearing mounting hole 1304, a rotating shaft fixing plate 104 is further arranged below the lower wheel disc 102, the lower wheel disc 102 is connected with the rotating shaft fixing plate 104 through a thread 105, a supporting sleeve 106 with a certain length is arranged on the thread 105, a rotating shaft fixing hole is arranged on the rotating shaft fixing plate, and the central axis of the rotating shaft fixing hole, the classifying wheel further comprises a classifying wheel rotating shaft which penetrates through the upper wheel disc and the lower wheel disc and extends out of the rotating shaft fixing hole, the left side and the right side of the rotating shaft fixing plate are respectively provided with a screw limiting device 107, and the rotating shaft is provided with a corresponding limiting hole. Through the depth of the rotating shaft screw-in rotating shaft fixing hole of the micro-adjustment rotating shaft grading wheel, the position of the grading wheel in the Raymond mill analyzer can be adjusted in a micro manner, so that the upper right-angle trapezoidal area of the grading wheel surrounds the conical frustum body formed by arrangement and the distance between the inner cavities of the conical frustum bodies, and therefore large-granularity sand is prevented from sliding away from the gap, and meanwhile, the grading wheel can be conveniently matched with the cavity shell, and the micro-adjustment rotating shaft grading wheel is simple and reliable.
Preferably, the screw limiting device comprises a fixed threaded sleeve arranged on the rotating shaft fixing plate 104, and a screw matched with the fixed threaded sleeve.
Preferably, the limiting holes comprise a first limiting hole and a second limiting hole, and the distance between the first limiting hole and the second limiting hole in the vertical direction is 3-4 mm.
Preferably, the upper corner of the right trapezoid area 1032 of the upper wheel disc is 45-60 degrees, and the side of the upper corner is 25-50 mm.
Preferably, the arrangement direction of the blades forms an included angle of 20-35 degrees with the radial direction of the upper wheel disc 101.
Preferably, the width of the inclined surface of the truncated cone-shaped inner cavity is 5-10 mm longer than the length of the inclined edge.
Preferably, the raymond mill host feed inlet with the vibration unloader passes through rubber connector 11 and links to each other, rubber connector 11 is spiral cylinder structure, the outside level of rubber at 11 both ends of rubber connector extends to turn over out, forms horizontal connection terminal surface 1101, be provided with a plurality of screw holes on the horizontal connection terminal surface 1101, the horizontal connection terminal surface includes first terminal surface and second terminal surface 1101, first terminal surface set up in between raymond mill host feed inlet flange and the ring flange dish, pass through bolted connection between raymond mill host feed inlet flange and the ring flange dish, second terminal surface 1101 set up in between vibration unloader discharge gate ring flange dish 1102 and the second ring flange dish 1103, through bolted connection 1104 between vibration unloader discharge gate ring flange 1102 and the second ring flange dish 1103, raymond mill host feed inlet flange with be provided with guide bar 1105 between the vibration unloader discharge gate ring flange dish 1102 The guide bar 1105 is sleeved with a buffer spring. The rubber spare structure that this technical scheme provided can adopt the ring flange to connect, and is sealed effectual and sealed stable, and the design of guide bar can be avoided raymond mill host computer feed inlet flange with produce great difference in position between the vibration unloader discharge gate ring flange.
Preferably, the Raymond mill further comprises a frame 12, and the length direction and the width direction of the frame 12 are both provided with bubble gradienters, so that whether the Raymond mill is placed horizontally can be conveniently observed.
Preferably, the machine frame 12 includes a machine frame leg, the machine frame leg includes a fixed machine frame leg and an elevator frame leg 1202 sleeved in the fixed machine frame leg 1201, a height adjusting device is disposed at a lower end of the elevator frame leg 1202, the other end of the height adjusting device is fixedly connected with the bottom of the fixed machine frame leg 1201, the height adjusting device includes a first connecting bar 1301 and a second connecting bar 1302 which are parallel to each other, a first upper connecting bar 1303 hinged to one end of the first connecting bar 1301, a second upper connecting bar 1304 hinged to one end of the second connecting bar 1302, the first upper connecting bar 1303 is hinged to the second upper connecting bar 1304 and connected to the elevator frame leg 1202, the machine frame further includes a first lower connecting bar hinged to the other end of the first connecting bar 1301, a second lower connecting bar hinged to the other end of the second connecting bar 1302, the first lower connecting bar is hinged to the second lower connecting bar and connected to the bottom of the fixed machine frame leg, the device further comprises a screw 1305 penetrating through the first connecting strip 1301 and the second connecting strip 1302 and an adjusting rotating wheel 1306 arranged at the end of the screw. The purpose of doing so is can observe whether the raymond mill is placed horizontally at any time, because if the host computer of raymond mill has great levelness deviation in operating condition, then can cause the grinding roller to produce the vibration when operation big, can seriously influence production efficiency like this, still can cause the damage of different degrees to equipment. Through the design of the liftable rack legs, the levelness of the rack can be conveniently adjusted.
In conclusion, according to the technical scheme provided by the invention, the shape of the blade of the grading wheel is redesigned, small-particle-size sand and large-particle-size sand can be separated more easily, and the distance between the large circle on the upper part of the grading wheel and the inner cavity of the conical table of the shell of the grading wheel can be adjusted by adjusting the matching depth of the rotating shaft of the grading wheel and the rotating shaft fixing hole, so that the processing difficulty can be effectively reduced, the distance can be controlled, and the larger-particle-size sand is prevented from slipping out of the gap.

Claims (8)

1. A silicon carbide granularity sand production device comprises a vibration blanking device, a Raymond mill connected with the vibration blanking device, a first-stage cyclone separator connected with the Raymond mill, a second-stage cyclone separator connected with the first-stage cyclone separator, a bag-type dust collector communicated with the second-stage cyclone separator, an air inducing device connected with the bag-type dust collector, a Raymond mill host and a Raymond mill analyzer arranged above the Raymond mill host, wherein the Raymond mill analyzer comprises an analyzer outer barrel connected with the Raymond mill host in a sealing way, a motor mounting plate arranged on the analyzer outer barrel, a first variable frequency motor arranged on the motor mounting plate, a grading wheel connected with the first variable frequency motor through a shaft, the grading wheel comprises an upper wheel disc and a lower wheel disc, and a plurality of blades fixed between the upper wheel disc and the lower wheel disc and surrounding a circle, the method is characterized in that: the blades comprise a first long strip, a first end of the first long strip extends outwards to form a plate area with a section of curved arc edge, the upper end of the plate area extends outwards to form a right trapezoid area, the outer side edge of a second end of the first long strip inclines inwards to form a lower right trapezoid area, the upper end of the outer cylinder of the analyzer is provided with a truncated cone-shaped inner cavity matched with the right trapezoid area, the setting direction of the blades forms a certain angle with the radius direction of the upper wheel disc, the middle part of the lower wheel disc is provided with a bearing mounting hole, a rotating shaft fixing plate is further arranged below the lower wheel disc, the lower wheel disc is connected with the rotating shaft fixing plate through threads, the threads are provided with a support sleeve with a certain length, the rotating shaft fixing plate is provided with a rotating shaft fixing hole, the central axis of the rotating shaft fixing hole is coincident with the central axis of the bearing mounting hole, and the classifying wheel further comprises a classifying wheel rotating shaft penetrating through the upper wheel disc, the left side and the right side of the rotating shaft fixing plate are respectively provided with a screw limiting device, the rotating shaft is provided with a corresponding limiting hole, and the screw limiting devices comprise fixed threaded sleeves arranged on the rotating shaft fixing plate and screws matched with the fixed threaded sleeves.
2. The silicon carbide grit production apparatus according to claim 1, wherein: the limiting holes comprise a first limiting hole and a second limiting hole, and the distance between the first limiting hole and the second limiting hole in the vertical direction is 3-4 mm.
3. The silicon carbide grit production apparatus according to claim 1, wherein: the upper corner of the right-angle trapezoidal area of the upper wheel disc is 45-60 degrees, and the side length of the inclined side is 25-50 mm.
4. The silicon carbide grit production apparatus according to claim 1, wherein: the blade setting direction and the radius direction of the upper wheel disc form an included angle of 20-35 degrees.
5. The silicon carbide grit production apparatus according to claim 3, wherein: the width of the inclined surface of the conical inner cavity is 5-10 mm longer than the length of the inclined side.
6. The silicon carbide grit production apparatus according to claim 1, wherein: the Raymond mill main machine feed inlet is connected with the vibration blanking device through a rubber connecting piece, the rubber connecting piece is of a spiral cylindrical structure, rubber at two ends of the rubber connecting piece extends and turns out outwards and horizontally to form a horizontal connecting end face, a plurality of threaded holes are formed in the horizontal connecting end face, the horizontal connecting end face comprises a first end face and a second end face, the first end face is arranged between a feed inlet flange and an annular flange of the Raymond mill main machine, the feed inlet flange of the Raymond mill main machine is connected with the annular flange through bolts, the second end face is arranged between a discharge outlet flange of the vibration blanking device and a second annular flange, the discharge outlet flange of the vibration blanking device is connected with the second annular flange through bolts, and a guide rod is arranged between the feed inlet flange of the Raymond mill main machine and the discharge outlet, and the guide rod is sleeved with a buffer spring.
7. The apparatus of claim 1, wherein the Raymond mill further comprises a frame, and the frame is provided with bubble levels in both the length direction and the width direction.
8. The apparatus for producing silicon carbide grit as claimed in claim 7, wherein said frame comprises frame legs, said frame legs comprising fixed frame legs and elevator frame legs sleeved in said fixed frame legs, said elevator frame legs having a height adjustment device at a lower end thereof, said height adjustment device having another end fixedly connected to the bottom of said fixed frame legs, said height adjustment device comprising first and second parallel connecting strips, a first upper connecting strip hinged to one end of said first connecting strip, a second upper connecting strip hinged to one end of said second connecting strip, said first upper connecting strip hinged to said second upper connecting strip and connected to said elevator frame legs, a first lower connecting strip hinged to another end of said first connecting strip, and a second lower connecting strip hinged to another end of said second connecting strip, the first lower connecting strip is hinged with the second lower connecting strip and connected with the bottom of the fixed frame leg, and the first lower connecting strip further comprises a screw rod penetrating through the first connecting strip and the second connecting strip and an adjusting rotating wheel arranged at the end of the screw rod.
CN201811035491.8A 2018-09-06 2018-09-06 Silicon carbide granularity sand production device Active CN109174411B (en)

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Application Number Priority Date Filing Date Title
CN201811035491.8A CN109174411B (en) 2018-09-06 2018-09-06 Silicon carbide granularity sand production device

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Application Number Priority Date Filing Date Title
CN201811035491.8A CN109174411B (en) 2018-09-06 2018-09-06 Silicon carbide granularity sand production device

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CN109174411B true CN109174411B (en) 2021-02-09

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2680355Y (en) * 2004-04-05 2005-02-23 邵成付 Super fine pulverator
CN2905210Y (en) * 2006-04-11 2007-05-30 谢观亮 Raymond mill analyzer provided with coarse powder collector
CN102574125A (en) * 2010-09-16 2012-07-11 里基·E·沃克 Coal pulverizer/classifier deflector
JP2012210592A (en) * 2011-03-31 2012-11-01 Ihi Corp Vertical mill
CN203508179U (en) * 2013-10-24 2014-04-02 新疆新路标光伏材料有限公司 Raymond mill discharge device
CN203678454U (en) * 2014-01-22 2014-07-02 赣州齐飞新材料有限公司 Sealing device of Raymond mill
CN204134727U (en) * 2014-08-10 2015-02-04 郑州威尔特材有限公司 Multi-stage separation dedusting Raymond mill
CN107051706A (en) * 2017-06-20 2017-08-18 华北电力大学(保定) A kind of medium-speed pulverizer being association of activity and inertia
CN207254423U (en) * 2017-08-12 2018-04-20 江西天美生物科技有限公司 A kind of Activated Carbon Production flour mill

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2680355Y (en) * 2004-04-05 2005-02-23 邵成付 Super fine pulverator
CN2905210Y (en) * 2006-04-11 2007-05-30 谢观亮 Raymond mill analyzer provided with coarse powder collector
CN102574125A (en) * 2010-09-16 2012-07-11 里基·E·沃克 Coal pulverizer/classifier deflector
JP2012210592A (en) * 2011-03-31 2012-11-01 Ihi Corp Vertical mill
CN203508179U (en) * 2013-10-24 2014-04-02 新疆新路标光伏材料有限公司 Raymond mill discharge device
CN203678454U (en) * 2014-01-22 2014-07-02 赣州齐飞新材料有限公司 Sealing device of Raymond mill
CN204134727U (en) * 2014-08-10 2015-02-04 郑州威尔特材有限公司 Multi-stage separation dedusting Raymond mill
CN107051706A (en) * 2017-06-20 2017-08-18 华北电力大学(保定) A kind of medium-speed pulverizer being association of activity and inertia
CN207254423U (en) * 2017-08-12 2018-04-20 江西天美生物科技有限公司 A kind of Activated Carbon Production flour mill

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