CN107117620A - The processing unit and its application method of high ferro silicon carbide micro-powder - Google Patents
The processing unit and its application method of high ferro silicon carbide micro-powder Download PDFInfo
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- CN107117620A CN107117620A CN201710528251.0A CN201710528251A CN107117620A CN 107117620 A CN107117620 A CN 107117620A CN 201710528251 A CN201710528251 A CN 201710528251A CN 107117620 A CN107117620 A CN 107117620A
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- casing
- silicon carbide
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- carbide micro
- powder
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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Abstract
The present invention relates to silicon carbide micro-powder processing equipment field, and in particular to the processing unit and its application method of high ferro silicon carbide micro-powder.Agitating device and liquid removing device are provided with casing including end-cover-free, casing, the lower surface of box bottom, which is provided with electric heating tube, the casing, is provided with temperature sensor.The present invention is when stirring the slurry of high ferro silicon carbide micro-powder, it can also be axially moved while radial rotary, stir speed (S.S.) is accelerated, iron tramp therein is thoroughly then removed using acid leaching process, to reach that the high efficiente callback for handling magnetic separator the high iron charge produced during silicon carbide micro-powder is utilized, both resource is saved, environmental pollution is turn avoid, during acidleach and cleaning, carries out removing liquid using the spongy layer on transmission belt, the waste of silicon carbide micro-powder is reduced, while reducing energy consumption.
Description
Technical field
The present invention relates to silicon carbide micro-powder processing equipment field, and in particular to the processing unit of high ferro silicon carbide micro-powder
And its application method.
Background technology
Silicon carbide micro-powder is a kind of cutting blade material cut applied to solar energy crystal silicon chip, the cutting machine in crystal silicon chip cutting
The requirement of counter blade material is very strict, and the presence of iron have impact on silicon chip cut quality, accordingly, it would be desirable to iron tramp therein is removed,
To ensure the efficiency and qualification rate of cutting.Generally silicon carbide micro-powder is carried out except iron, and in magnetic using magnetic separator in the prior art
Select machine to have 5% material during removing iron and iron powder is entrained in and discharged together as dead meal, the iron in these dead meals
Impurity content is higher, and about 5%, these dead meals are referred to as high iron charge, i.e. high ferro silicon carbide micro-powder.These high iron charges can not be again
Carry out removing iron by magnetic separator：One carrys out poor processing effect, and two, which carry out magnetic separator, may proceed to produce new high iron charge.High ferro carborundum is micro-
What powder was abandoned causes the waste of resource, and when directly being recycled by acid adding to the processing of this partial material, difficulty is big, cost is high, week
Phase length and pollute it is more serious.
The method typically used in the iron removal of silicon carbide micro-powder is the acid-hatching of young eggs, is needed slurry after completion of the reaction
The liquid discharge on upper strata, during using water pump drawing liquid, silicon carbide micro-powder can be extracted with liquid, waste be produced, while carborundum
Micro mist, which is entered, can also damage water pump behind water pump inside.If increasing filter screen in the inlet of water pump, when silicon carbide micro-powder is blocked
Efficiency of being drawn water after filter screen will be substantially reduced.
The content of the invention
The technical problems to be solved by the invention are that stirring efficiency can be accelerated, and facilitate what the liquid on slurry upper strata was discharged,
The processing unit and its application method of the high ferro silicon carbide micro-powder of the waste of silicon carbide micro-powder are reduced simultaneously.
To achieve these goals, the technical scheme that provides of the present invention is：
The processing unit of high ferro silicon carbide micro-powder, includes being provided with agitating device in the casing of end-cover-free, casing and except liquid
Device,
Agitating device includes roller, and roller outer rim is provided with multiple puddlers, and the rotating shaft of roller reaches the left and right of casing
Outside side plate, the right plate of rotating shaft and casing is connected by sliding bearing, and end face is provided with the rotating shaft outside casing right plate
It is provided with fixed block, fixed block upper surface and is provided with and edge cam on the outside of casing right plate below cam, edge cam
Axle sleeve is set in rotating shaft on the left of the block that the chute of outer rim coordinates, roller, axle sleeve is coupled with rotating shaft by spline, axle sleeve and case
Support on the outside of body left plate and casing left plate is connected by bearing, and fixation is set on the axle sleeve between support and casing left plate
It is equipped with to be provided with supporting plate, supporting plate on the outside of the casing left plate below belt wheel, axle sleeve and is provided with the first motor, the output of the first motor
The belt wheel on belt wheel and axle sleeve on axle is connected by the first belt,
Liquid removing device, which includes being arranged on being hinged respectively in the groove of casing back side panel upper inside wall and bottom, groove, is connected to the
One end of four poles, the other end of the 4th pole is hinged with the first pole respectively, and the first pole is parallel with the back side panel of casing,
Fix bar is provided between 4th pole of casing back side panel inwall, fix bar and the cylinder body of electric expansion cylinder are hinged, electronic
The expansion link of telescoping cylinder and the 4th pole of top are hinged, and the first pole upper end is provided with the second perpendicular pole, the
Inclined 3rd pole is provided between one pole and the second pole, the first pole lower end is provided with the first disk roller, the first pole
The junction of upper end and second pole one end, which is provided with the second disk roller, the other end of the second pole, is provided with the 3rd disk roller, the
One disk roller, the second disk roller, the 3rd disk roller are connected by transmission belt, and the second motor, the output of the second motor are provided with the 3rd pole
Belt wheel on axle is connected with the belt wheel on the second disk roller input shaft by the second belt, and transmission belt outer rim is arranged at liquid-adsorption layer, case
It is provided with the position that body back side panel upper end is contacted with the liquid-adsorption layer of transmission belt outer rim on the right of guiding gutter, the bottom land of guiding gutter along tight
To the liquid-adsorption layer of transmission belt outer rim, inclined downward from the bottom land left margin of guiding gutter to casing.
Specifically, the lower surface of the box bottom is provided with electric heating tube.
Specifically, being provided with temperature sensor in the casing.
Specifically, the liquid-adsorption layer includes spongy layer and the good abrasionproof layer of cloth of water permeability, spongy layer with transmission belt by connecting
The wear-resisting layer of cloth parcel connect.
Specifically, the material of the casing is stainless steel.
Compared with prior art, beneficial effects of the present invention are：
1. the present invention can also be axially moved when stirring the slurry of high ferro silicon carbide micro-powder while radial rotary,
Stir speed (S.S.) is accelerated, iron tramp therein is thoroughly then removed using acid leaching process, carborundum is handled to magnetic separator to reach
The high efficiente callback of the high iron charge produced during micro mist is utilized, and is both saved resource, be turn avoid environmental pollution.
2. during acidleach and cleaning, carry out removing liquid using the spongy layer on transmission belt, reduce silicon carbide micro-powder
Waste, while reducing energy consumption.
3. setting temperature sensor in casing, box bottom lower surface is provided with electric heating tube, can monitor at any time
Temperature in casing, when less than required reaction temperature, opens electric heating tube, slurry is heated, needed for keeping it in
In the range of reaction temperature, to ensure that reaction is more abundant.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is A in Fig. 1 to sectional view.
Fig. 3 is the structural representation of transmission belt and liquid-adsorption layer.
Parts title in accompanying drawing is：
1st, casing, 2, supporting plate, the 3, first motor, 4, support, 5, axle sleeve, the 6, first belt, 7, rotating shaft, 8, roller, 9, stir
Mix bar, 10, edge cam, 11, fixed block, 12, block, the 13, first pole, the 14, the 4th pole, 15, transmission belt, 16, fixed
Bar, 17, electric expansion cylinder, 18, spongy layer, the 19, first disk roller, 20 second disk rollers, the 21, the 3rd disk roller, the 22, second pole, 23,
3rd pole, the 24, second motor, 25, groove, the 26, second belt, 27, guiding gutter, 28, motor heat pipe, 29, temperature sensor,
30th, chute, 31, wear-resisting layer of cloth.
Embodiment
The processing unit of high ferro silicon carbide micro-powder, includes being provided with agitating device in the casing 1 of end-cover-free, casing 1 and removes
Liquid device.
As shown in figure 1, agitating device includes roller 8, the outer rim of roller 8 is provided with multiple puddlers 9, and the rotating shaft 7 of roller 8 is stretched
Go out to outside the left side plate of casing 1, rotating shaft 7 is connected with the right plate of casing 1 by sliding bearing, outside the right plate of casing 1
Rotating shaft 7 on be provided with edge cam 10, be provided with fixed block 11 on the outside of the right plate of casing 1 of the lower section of edge cam 10, it is fixed
It is provided with the block 12 with the cooperation of chute 30 of the outer rim of edge cam 10, the rotating shaft 7 in the left side of roller 8 and sets on the upper surface of block 11
Axle sleeve 5, axle sleeve 5 is coupled with rotating shaft 7 by spline, and axle sleeve 5 passes through with the support 4 on the outside of the left plate of casing 1 and the left plate of casing 1
Bearing is connected, and belt wheel, the left plate of casing 1 of the lower section of axle sleeve 5 are fixedly installed on the axle sleeve 5 between support 4 and the left plate of casing 1
Outside, which is provided with supporting plate 2, supporting plate 2, is provided with the first motor 3, the belt wheel on the output shaft of the first motor 3 and the belt wheel on axle sleeve 5
Connected by the first belt 6.
As shown in Fig. 2 liquid removing device includes the groove 25 for being arranged on the back side panel upper inside wall of casing 1 and bottom, groove 25
Inside it is hinged respectively and is connected to one end of the 4th pole 14, the other end of the 4th pole 14 is hinged with the first pole 13 respectively, first
Pole 13 is parallel with the back side panel of casing 1, and fix bar 16 is provided between the 4th pole 14 of the back side panel inwall of casing 1, fixed
The cylinder body of bar 16 and electric expansion cylinder 17 is hinged, and the expansion link of electric expansion cylinder 17 and the 4th pole 14 of top are hinged,
The upper end of first pole 13 is provided with the second perpendicular pole 22, and inclination is provided between the first pole 13 and the second pole 22
The 3rd pole 23, the lower end of the first pole 13 is provided with the first disk roller 19, the upper end of the first pole 13 and the one end of the second pole 22
Junction, which is provided with the second disk roller 20, the other end of the second pole 22, is provided with the 3rd disk roller 21, the first disk roller 19, the second roller
The 20, the 3rd disk roller 21 of wheel is connected by transmission belt 15, and the second motor 24, the output shaft of the second motor 24 are provided with the 3rd pole 23
On belt wheel be connected with the belt wheel on the input shaft of the second disk roller 20 by the second belt 26, the outer rim of transmission belt 15 is arranged at imbibition
Guiding gutter 27 is provided with layer, the position that the back side panel upper end of casing 1 is contacted with the liquid-adsorption layer of the outer rim of transmission belt 15, guiding gutter 27
Along the liquid-adsorption layer tight against the outer rim of transmission belt 15 on the right of bottom land, inclined downward from the bottom land left margin of guiding gutter 27 to casing 1.Electricity
When the expansion link of dynamic telescoping cylinder 17 controls the motion of the 4th pole 14, the liquid-adsorption layer of the outer rim of transmission belt 15 is all the time by the groove of guiding gutter 27
On the right of bottom along tight against.
The lower surface of the bottom plate of casing 1 is provided with electric heating tube 28.
Temperature sensor 29 is provided with the casing 1.
As shown in figure 3, the liquid-adsorption layer include spongy layer 18 and the good abrasionproof layer of cloth 31 of water permeability, spongy layer 18 by with
The wear-resisting layer of cloth 31 that transmission belt 15 is connected is wrapped up.Wear-resisting layer of cloth 31 can prevent spongy layer 18 and edge on the right of the bottom land of guiding gutter 27
Directly contact, so that the spongy layer 18 that weares and teares.
The material of the casing 1 is stainless steel, prevents acid solution from corroding to casing 1.
The application method of the processing unit of high ferro silicon carbide micro-powder, comprises the following steps：
First, batch mixing：The high ferro silicon carbide micro-powder that magnetic separator is produced is incorporated into casing 1, adds 80~90 DEG C of hot water；
2nd, stir：Start the first motor 3, the first motor 3 drives the rotating shaft 7 of roller 8 to rotate, because the upper surface of rotating shaft 7 is convex
The chute 30 and the block 12 of the upper surface of fixed block 11 for taking turns 10 outer rims coordinate, therefore are driven in rotating shaft 7 outside roller 8 and its roller 8
Axial displacement can be also produced while 9 radial rotating of puddler of edge, stir speed (S.S.) is thus accelerated, after stirring,
Obtain the slurry that mass percent concentration is 17%~26%；
3rd, acidleach：Into the slurry obtained by step 2, the acid for accounting for slurry volume fraction 30% is added, is in reaction temperature
Under conditions of 70~90 DEG C, 4~7h acid-leaching reaction is carried out；
4th, except liquid：By the supernatant liquid discharge in the slurry obtained by step 3, start electric expansion cylinder 17, pass through elongation
Height of first disk roller 19 in casing 1 is adjusted with the expansion link of electric expansion cylinder 17 is shunk so that the lower end of the first disk roller 19
Contacted with the liquid on slurry upper strata, start the second motor 24, the second motor 24 drives the second disk roller 20 to rotate, because the first disk roller
19th, the second disk roller 20, the 3rd disk roller 21 are connected by transmission belt 15, therefore will drive transmission when the second disk roller 20 is being rotated
Band 15 is moved, and the spongy layer 18 of the outer rim of transmission belt 15 will be by liquid adsorption in spongy layer 18 after being contacted with the liquid on slurry upper strata
Interior, when the right of spongy layer 18 and the bottom land of guiding gutter 27 is along after contact, the liquid in spongy layer 18 will be extruded, and along leading
The inclined direction of the bottom land of chute 27 is flow to outside casing 1；
5th, clean：The remaining slurry obtained after step 4 is cleaned with clear water；
6th, remove water：Utilize the liquid removing method in step 4 to remove the water on silicon carbide micro-powder upper strata after the completion of cleaning, obtain
Handle the silicon carbide micro-powder completed.
The acid added in step 3 is mixture or sulfuric acid and the mixing of nitric acid of sulfuric acid or sulfuric acid and hydrofluoric acid
The mixture of thing or sulfuric acid, hydrofluoric acid and nitric acid, the concentration of the sulfuric acid is 10%~20%, the sulfuric acid and hydrofluoric acid
Mixture, the mixture and sulfuric acid of sulfuric acid and nitric acid, the mixture of hydrofluoric acid and nitric acid concentration be 10%~20%.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. the processing unit of high ferro silicon carbide micro-powder, includes the casing (1) of end-cover-free, it is characterised in that be provided with casing (1)
Agitating device and liquid removing device,
Agitating device includes roller (8), and roller (8) outer rim is provided with multiple puddlers (9), and the rotating shaft (7) of roller (8) is reached
Outside the left side plate of casing (1), rotating shaft (7) is connected with the right plate of casing (1) by sliding bearing, casing (1) right plate
It is provided with the outside of casing (1) right plate below edge cam (10), edge cam (10) and is provided with admittedly in outside rotating shaft (7)
Determine to be provided with the block (12) coordinated with the chute (30) of edge cam (10) outer rim on block (11), fixed block (11) upper surface,
Axle sleeve (5) is set in the rotating shaft (7) on the left of roller (8), and axle sleeve (5) is coupled with rotating shaft (7) by spline, axle sleeve (5) and casing
(1) support (4) on the outside of left plate and casing (1) left plate is connected by bearing, between support (4) and casing (1) left plate
Axle sleeve (5) on be fixedly installed on the outside of casing (1) left plate below belt wheel, axle sleeve (5) and be provided with supporting plate (2), supporting plate (2)
On the belt wheel that is provided with the first motor (3), the first motor (3) output shaft pass through the first belt (6) with the belt wheel on axle sleeve (5)
Connection,
Liquid removing device includes cutting with scissors respectively in the groove (25) for being arranged on casing (1) back side panel upper inside wall and bottom, groove (25)
One end of the 4th pole (14) is connected with, the other end of the 4th pole (14) is hinged with the first pole (13) respectively, first
Bar (13) is parallel with the back side panel of casing (1), and fix bar is provided between the 4th pole (14) of casing (1) back side panel inwall
(16), fix bar (16) and the cylinder body of electric expansion cylinder (17) are hinged, the expansion link of electric expansion cylinder (17) and the of top
Four poles (14) are hinged, and the first pole (13) upper end is provided with perpendicular the second pole (22), the first pole (13) and
Inclined 3rd pole (23) is provided between second pole (22), the first pole (13) lower end is provided with the first disk roller (19),
The junction of the first pole (13) upper end and the second pole (22) one end is provided with the second disk roller (20), the second pole (22) it is another
The 3rd disk roller (21) is provided with one end, the first disk roller (19), the second disk roller (20), the 3rd disk roller (21) pass through transmission belt (15)
Belt wheel and the second disk roller on the second motor (24), the second motor (24) output shaft are provided with connection, the 3rd pole (23)
(20) belt wheel on input shaft is connected by the second belt (26), and transmission belt (15) outer rim is arranged on rear side of liquid-adsorption layer, casing (1)
Guiding gutter (27) is provided with the position that plate upper end is contacted with the liquid-adsorption layer of transmission belt (15) outer rim, the bottom land of guiding gutter (27) is right
Edge tight against transmission belt (15) outer rim liquid-adsorption layer, inclined downward from the bottom land left margin of guiding gutter (27) to casing (1).
2. the processing unit of high ferro silicon carbide micro-powder according to claim 1, it is characterised in that casing (1) bottom plate
Lower surface is provided with electric heating tube (28).
3. the processing unit of high ferro silicon carbide micro-powder according to claim 1, it is characterised in that set in the casing (1)
There is temperature sensor (29).
4. the processing unit of high ferro silicon carbide micro-powder according to claim 1, it is characterised in that the liquid-adsorption layer includes sponge
Layer (18) and the good abrasionproof layer of cloth (31) of water permeability, spongy layer (18) are wrapped by the wear-resisting layer of cloth (31) being connected with transmission belt (15)
Wrap up in.
5. the processing unit of high ferro silicon carbide micro-powder according to claim 1, it is characterised in that the material of the casing (1)
For stainless steel.
6. the application method of the processing unit of high ferro silicon carbide micro-powder, it is characterised in that comprise the following steps：
First, batch mixing：The high ferro silicon carbide micro-powder that magnetic separator is produced is incorporated into casing (1), adds 80~90 DEG C of hot water；
2nd, stir：Start the first motor (3), the first motor (3) drives the rotating shaft (7) of roller (8) to rotate, due in rotating shaft (7)
The chute (30) of edge cam (10) outer rim coordinates with the block (12) of fixed block (11) upper surface, therefore is driven in rotating shaft (7)
Axial displacement can be also produced while roller (8) and its puddler (9) radial rotating of roller (8) outer rim, is thus accelerated
Stir speed (S.S.), after stirring, obtains the slurry that mass percent concentration is 17%~26%；
3rd, acidleach：Into the slurry obtained by step 2, add and account for the acid of slurry volume fraction 30%, reaction temperature be 70~
Under conditions of 90 DEG C, 4~7h acid-leaching reaction is carried out；
4th, except liquid：By in the slurry obtained by step 3 supernatant liquid discharge, start electric expansion cylinder (17), by elongation and
Shrink the expansion link of electric expansion cylinder (17) to adjust height of the first disk roller (19) in casing (1) so that the first disk roller
(19) lower end is contacted with the liquid on slurry upper strata, starts the second motor (24), and the second motor (24) drives the second disk roller (20) rotation
Turn, because the first disk roller (19), the second disk roller (20), the 3rd disk roller (21) are connected by transmission belt (15), therefore in the second roller
Wheel (20) will drive transmission belt (15) to move when rotating, the spongy layer (18) of transmission belt (15) outer rim and the liquid on slurry upper strata
Will be by liquid adsorption in spongy layer (18), when spongy layer (18) is contacted with the right edge of guiding gutter (27) bottom land after body contact
Afterwards, the liquid in spongy layer (18) will be extruded, and flow to casing (1) outside along guiding gutter (27) inclined direction of bottom land
Portion；
5th, clean：The remaining slurry obtained after step 4 is cleaned with clear water；
6th, remove water：Utilize the liquid removing method in step 4 to remove the water on silicon carbide micro-powder upper strata after the completion of cleaning, handled
The silicon carbide micro-powder of completion.
7. the application method of the processing unit of high ferro silicon carbide micro-powder according to claim 6, it is characterised in that in step 3
The acid of addition is the mixture or sulfuric acid and mixture or sulfuric acid, the hydrogen fluorine of nitric acid of sulfuric acid or sulfuric acid and hydrofluoric acid
The mixture of acid and nitric acid, the concentration of the sulfuric acid is 10%~20%, mixture, sulfuric acid and the nitre of the sulfuric acid and hydrofluoric acid
The concentration of the mixture of acid and the mixture of sulfuric acid, hydrofluoric acid and nitric acid is 10%~20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710528251.0A CN107117620A (en) | 2017-07-01 | 2017-07-01 | The processing unit and its application method of high ferro silicon carbide micro-powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710528251.0A CN107117620A (en) | 2017-07-01 | 2017-07-01 | The processing unit and its application method of high ferro silicon carbide micro-powder |
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| Publication Number | Publication Date |
|---|---|
| CN107117620A true CN107117620A (en) | 2017-09-01 |
Family
ID=59731155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710528251.0A Withdrawn CN107117620A (en) | 2017-07-01 | 2017-07-01 | The processing unit and its application method of high ferro silicon carbide micro-powder |
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| CN (1) | CN107117620A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744877A (en) * | 2017-11-21 | 2018-03-02 | 成都顺宏鑫机械有限公司 | Anti- dust transmits scrap iron removing device |
-
2017
- 2017-07-01 CN CN201710528251.0A patent/CN107117620A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744877A (en) * | 2017-11-21 | 2018-03-02 | 成都顺宏鑫机械有限公司 | Anti- dust transmits scrap iron removing device |
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Application publication date: 20170901 |
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