CN206483520U - Calcium hydroxide flour mill - Google Patents

Abstract

The utility model provides a kind of calcium hydroxide flour mill, including the main frame being ground to calcium hydroxide particle, two grades of separators that calcium hydroxide mixed powder is carried out the one-level separator of primary screener and screened again to the calcium hydroxide mixed powder after one-level is screened, one-level separator is located above main frame, two grades of separators are connected on one-level separator, the cavity UNICOM of the cavity of one-level separator respectively with the cavity of main frame and two grades of separators, characterized in that, one-level separator includes one-level shell, feeder, batch mixing pan and one-level drive mechanism；Two grades of separators include two grades of shells, rotation sorter, the second drive mechanism, negative port pipe, thick slag baffle plate, coarse grain and accept bucket and drainage conduit.The utility model can twice be sorted to calcium hydroxide mixed-powder, and sorted after being regrind to the coarse grain calcium hydroxide in one-level assorting room, and can not will be fallen outside the unqualified coarse granule calcium hydroxide discharge body refaced after being sorted at two grades, avoid gathering in flour mill cavity, both improved milling efficiency or improved the quality of calcium hydroxide powder.

Description

Calcium hydroxide flour mill

Technical field

The utility model is related to milling apparatus field, more particularly to a kind of equipment ground to calcium hydroxide powder, specifically For a kind of calcium hydroxide flour mill.

Background technology

Flour mill is widely used in the grinding processing of mineral products material in the fields such as metallurgy, building materials, chemical industry, mine, milling Machine is, by after after the size-reduced granularity needed for of grind materials, material to be delivered into storage bin hopper by elevator, then will expect through oscillating feeder In the feeding mainframe grinding chamber of uniformly continuous, centrifugal action during due to rotation, grinding roller is swung out, and is pressed in bull ring, perching knife shovel Play material to be sent between grinding roller and bull ring, crushing purpose is reached because of the rolling of grinding roller.

Existing flour mill, such as common raymond mill, when being milled, first, material through crusher in crushing into Fragment less than 20 millimeters, is quantitatively sent into milling machine host by electro-vibrating feeder and is ground.Mill is hung in main frame Burnisher apparatus in roll stand rotates around central shaft, and grinding roller under the influence of centrifugal force, swings out pressure simultaneously around shaft of grinding roller rotation Tight bull ring, the perching knife that material is rotated is kicked up, thrown between grinding roller and bull ring, and crushing is reached because the rolling of grinding roller and bull ring is ground With the effect of grinding.

Above-mentioned flour mill is freely fallen into main frame to fineness thick powder excessively and refaced, and very big portion is had during free-falling Refaced in the gap that point material can not fall on bull ring and grinding roller under the influence of wind-force, so causing in main frame deposition largely Coarse grain powder, milling efficiency it is low, powder quality is low.

The content of the invention

The purpose of this utility model is in view of the shortcomings of the prior art, and to provide a kind of calcium hydroxide flour mill, can be collected And the unqualified coarse granule calcium hydroxide refaced that can not fall is discharged, the coarse granule calcium hydroxide of free falling can be carried out again Grinding, and in negative pressure cyclone collects assorting room it is further separated out meeting the calcium hydroxide powder of fineness requirement.

The purpose of this utility model is realized by following technical schemes：

A kind of calcium hydroxide flour mill, including the main frame, mixed to calcium hydroxide being ground to coarse grain calcium hydroxide particle Powder is closed to carry out the one-level separator of primary screener and sieve the calcium hydroxide mixed powder after one-level is screened again Two grades of separators of choosing, the one-level separator is located above the main frame, and two grades of separators are connected to a fraction Select on machine, the cavity of one-level separator cavity respectively with the main frame and the cavity UNICOM of two grades of separators, its It is characterised by, the one-level separator includes one-level shell, through the feeder of the one-level shell, positioned at one-level enclosure cavity Interior batch mixing pan and the one-level drive mechanism for driving the batch mixing pan to rotate；Two grades of separators include two grades of shells, are located at Sorter, the second drive mechanism for driving rotation sorter rotation are rotated in two grades of enclosure cavities, positioned at described The negative port pipe at sorter dust outlet is rotated, the thick slag gear between two grades of shells and the rotation sorter is located on Plate, the coarse grain being connected to below the thick slag baffle plate accept bucket and are used to arrange coarse fodder below bucket with being connected to the coarse grain and accepting Go out the drainage conduit of flour mill.

Calcium hydroxide mixed powder after changing water falls in rotation after the feeder being placed on one-level separator is quantitatively fed On the batch mixing pan turned, batch mixing pan is rotated at a high speed, and powder is spread to surrounding point, is sorted, under the traction of negative pressure wind, reaches one The calcium hydroxide mixed powder for determining fineness enters two grades of separators for being placed in one-level separator top with air-flow；Not up to fineness Calcium hydroxide particle can be fallen into be placed in the main frame of one-level separator bottom and be ground, and ground powder is passed through again with air-flow Cross one-level separator and mix the calcium hydroxide mixed powder after one-level separator for the first time sorting and enter two through thick slag baffle plate Level separator, in two grades of separators, rotates and sub-elects the powder of different fineness by rotation sorter, reach fineness requirement Powder is collected under the traction of air-flow by negative port pipe, and not up to the thick slag of fineness is by the centrifugal force of rotation sorter Get rid of to thick slag baffle plate, bucket is accepted by coarse fodder is fallen into after thick slag baffle plate resistance shelves, accept bucket through coarse fodder and made into the discharge of coarse fodder drainage conduit Powder body is outer so as to complete calcium dihydroxide powders sorting, due in one-level separator to being not up to the calcium hydroxide of fineness requirement Particle is ground by main frame again after carrying out primary election, improves milling efficiency, it is to avoid coarse grain powder is gathered, and in two grades of separators In calcium hydroxide mixed powder is screened again, the fineness degree of mixed powder has been sorted again, thin powder has been received Collect and can not will drop the powder granule refaced and discharge flour mill, enhance powder fluidity, reduce environmental pollution, and avoid Coarse powder, which follows subdivision to enter cyclone collector, influences finished powder quality, further increases the fineness of made powder, it is ensured that The whiteness of made powder.

In addition, the calcium hydroxide flour mill provided according to the utility model above-described embodiment also has following supplementary technology special Levy：

According to one embodiment of the present utility model, the drainage conduit passes through the one-level shell diagonally downward.Using inclining Oblique angle carries out discharge, it is not necessary to extra power device, saves the energy.

According to one embodiment of the present utility model, the feeder is hollow tube, the hollow tube from one-level shell from The outer and interior surface for sloping down to the batch mixing pan.Powder is guided to drop down onto in the tenesmus of its own Action of Gravity Field from hollow tube and got rid of On charging tray, it is not necessary to extra power device, the energy is saved.

According to one embodiment of the present utility model, the batch mixing pan be it is discoid, it is described it is discoid on be provided with The heart is to the guiding rib of external radiation, and adjacent two guiding ribs constitute guide groove.Get rid of powder evenly, it is to avoid accumulation interference.

According to one embodiment of the present utility model, the rib inner face of the guiding rib is located at the radius of discoid card 1/3 to 2/3 between.Can realize can be assigned to different guide grooves without the center peripheral part region being oriented at rib It is interior, get rid of material evenly.

According to one embodiment of the present utility model, the one-level drive mechanism includes motor one and reducing gear, described The motor shaft of reducing gear and the motor one, which coordinates, to be installed, and the batch mixing pan coordinates the output shaft installed in the reducing gear On one.One-level drive mechanism is reduced on batch mixing pan the rotating speed of motor one by reducing gear, it is to avoid calcium dihydroxide powders quilt The direct rotary collision of batch mixing pan beats the purpose that flies and cannot be introduced into realize and get rid of material.

According to one embodiment of the present utility model, the reducing gear include intermesh transmission driving gear and from Moving gear, the gear ratio of the driven gear and driving gear is more than or equal to 2, and the driving gear is arranged on the motor one On motor shaft, the batch mixing pan is arranged on the output shaft one of driven gear.Gear drive good reliability, precision is controllable, and then The rotating speed that throwing disc can at least be reduced is the half of motor speed.

According to one embodiment of the present utility model, the driving gear and driven gear are bevel gear.Bevel Gear Transmission Scheme can change transmission direction, keep away side in the week that motor one can be arranged in one-level separator, so as to be conducive to one-level separator The arrangement that upper and lower is connected is carried out with main frame and two grades of separators, whole height is reduced.

According to one embodiment of the present utility model, the thick slag baffle plate includes Shang Quan and lower circle and the company of toroidal The block reinforcement between Shang Quan and lower circle is connected on, two block reinforcements are arranged at intervals to form powder gap；The rotation sorter includes Circular collar and foundation ring and the longitudinally connected sorting muscle between collar and foundation ring, two sorting muscle be arranged at intervals with Form sorting gap.Upper through-hole causes negative port pipe is connected each with upper bit in main frame grinding roller upper end after negative pressure forming apparatus The blast at place is negative pressure, and calcium hydroxide powder, from two grades of sorting cavitys of one-level sorting chamber direction of flow, then is passed through in the presence of negative pressure Powder gap of crossing on thick slag baffle plate enters after rotation sorter sorts again, and fine powder is behind sorting gap from rotation sorter powder End outlet flows to collection chamber, and coarse fodder can not be thrown out of by sorting gap, and aggregate bin is collected into after stopping through block reinforcement again Flour mill is discharged by drainage conduit, calcium hydroxide powder powder is completed.Upper through-hole causes negative port pipe to connect negative pressure formation dress It is negative pressure to postpone in main frame grinding roller upper end with the blast of upper bit everywhere, and calcium hydroxide powder is in the presence of negative pressure from a fraction Select cavity to flow to two grades of sorting cavitys, then enter through the powder gap crossed on thick slag baffle plate after rotation sorter sorts again, fine powder Collection chamber is flowed to from rotation sorter dust outlet behind sorting gap, coarse fodder can not be got rid of by sorting gap Go out, aggregate bin is collected into after stopping through block reinforcement flour mill is discharged by drainage conduit again, complete calcium hydroxide powder sorting.

According to one embodiment of the present utility model, the block reinforcement longitudinal surface is plane, the plane and block reinforcement side and circle The angle α of the ring line of centres is met 10 °≤α≤62 °, and the vertical face of the sorting muscle is plane, the vertical face and sorting The angle β of muscle side and circle ring center's line meets 18 °≤β≤70 °.Rotation sorter can so be caused in rotary course, Thicker calcium hydroxide particle by bullet to block reinforcement, can not pass through such angle design so that block reinforcement can be blocked by sorting gap Thicker calcium hydroxide particle, and discharged through accepting hopper from drainage conduit, it is to avoid pass through powder gap and return to two grades of separators In cavity.

The calcium hydroxide flour mill that the utility model is provided can twice be sorted to calcium hydroxide powder, and one-level is sorted During coarse grain powder regrind after sort, and be up to the powder of fineness requirement after being sorted at two grades and received Collection, will be not reaching to fineness requirement and reground thicker calcium hydroxide powder discharge flour mill is carried out in the main frame that can not drop In vitro, it is to avoid gathered in flour mill cavity, both improved milling efficiency or improved the quality of made calcium hydroxide powder.

Brief description of the drawings

Fig. 1 longitudinally cuts open schematic diagram for the overall structure of calcium hydroxide flour mill of the present utility model；

Fig. 2 is Fig. 1 A-A sectional views；

Fig. 3 is calcium hydroxide flour mill batch mixing pan top view of the present utility model；

Title corresponding relation is identified in figure is, 10 main frames, 11 host housings, 12 grinding rollers, 13 bull rings, 20 one-level separators, 21 one-level housings, 22 feed pipes, 23 batch mixing pans, 231 disk bodies, 232 guiding ribs, 233 guide grooves, 24 motors one, 25 reductors, 251 driving gears, 252 driven gears, 253 output shafts one, 30 2 grades of separators, 31 2 grades of shells, 32 separating sieves, 321 sortings Muscle, 322 collars, 323 foundation rings, 324 sorting gaps, 33 thick slag baffle plates are enclosed on 331,332 play circles, 333 block reinforcements, between 334 mistake powder Gap, 34 coarse grain accept bucket, 35 drainage conduits, 36 motors two, 37 speed changers, 38 output shafts two, 39 negative port pipes.

Embodiment

The utility model content is further elaborated with reference to the accompanying drawings and examples, but is not to the utility model Restriction.

Embodiment：

Reference picture 1, a kind of calcium hydroxide flour mill, including coarse grain calcium hydroxide is ground main frame 10, to hydrogen-oxygen Change calcium mixed powder to carry out the one-level separator 20 of primary screener and enter the calcium hydroxide mixed powder after one-level is screened Two grades of separators 30 that row is screened again, the one-level separator 20 is fixedly installed in the top of main frame 10, and two grades of separators 30 are consolidated Fixed connection is arranged on one-level separator 20, and wherein the cavity of one-level separator 20 is sorted with the cavity of main frame 10 and two grades respectively The cavity UNICOM of machine 30；Main frame 10 includes host housing 11 and grinding roller 12 and bull ring 13, grinding roller 12 in host housing 11 Coordinate with bull ring 13 and coarse grain calcium hydroxide powder is ground, be provided with the host housing 11 below the discharging opening of grinding roller 12 logical Air holes（Not shown in figure）, one-level separator 20 is including one-level shell 21, through the feed pipe 22 of one-level shell, outside one-level The one-level drive mechanism that batch mixing pan 23 and driving batch mixing pan 23 in shell cavity are rotated, one-level drive mechanism includes the He of motor 1 Reducing gear 25, wherein reducing gear include intermesh transmission driving gear 251 and driven gear 252 and installed in from Output shaft 1 on moving gear 252, driving gear 251 coordinates on the motor shaft of motor 1, and batch mixing pan 23 coordinates On the output shaft 1 of reducing gear 25；Two grades of separators 30 include two grades of shells 31, positioned at two grades of cavitys of shell 31 Interior rotates separating sieve 32, the second drive mechanism for driving the rotation rotation of separating sieve 32, positioned at the rotation powder of separating sieve 32 The negative port pipe 39 in exit, the thick slag baffle plate 33 being located between two grades of shells 31 and rotation separating sieve 32, be connected to it is described Slightly the coarse grain of the lower section of slag baffle plate 33 accepts bucket 34 and is connected to the lower section of coarse grain undertaking bucket 34 and is used to coarse fodder discharging flour mill Drainage conduit 35, negative port pipe 39 be used for external connecting negative pressure forming apparatus so that blast of the main frame grinding roller upper end with upper bit everywhere It is negative pressure, the second drive mechanism includes motor 2 36, the speed changer 37 and speed changer installed are connected with the output shaft of motor two Output shaft 2 38, rotation separating sieve 32 be fixed on the output shaft 2 38 of speed changer, wherein rotation separating sieve 32 as rotation Sorter is sorted again to calcium hydroxide mixed powder, and feed pipe 22 is quantitatively fed as feeder.

When calcium hydroxide flour mill works, the calcium hydroxide mixed powder after changing water is by being placed on one-level separator 20 After feed pipe 22 is quantitatively fed, fall on the batch mixing pan 23 of rotation, the driving of the one-level drive mechanism of batch mixing pan 23 is lower to rotate at a high speed, Powder is spread to surrounding point, is sorted, under the traction of negative pressure wind, reaches the calcium hydroxide mixed powder body of certain fineness with gas Stream enters two grades of separators 30 for being placed in the top of one-level separator 20；Not up to the particle of fineness, which can be fallen into, is placed in one-level separator It is ground in the main frame 10 of 20 bottoms, ground powder again passes by one-level separator and mixed with air-flow to be sorted through one-level Powder after machine sorting for the first time, which enters in two grades of separators, is then passed through thick slag baffle plate 33, in two grades of separators 30, by separating sieve 32 rotate and sub-elect the powder of different fineness, reach that the powder of fineness is carried out under the traction of air-flow by negative port pipe 39 Collect, the centrifugal force that the thick slag of not up to fineness is sorted sieve 32 is got rid of to thick slag baffle plate 33, is hindered and is fallen into after shelves by thick slag baffle plate 33 Coarse fodder undertaking bucket 34, enters the discharge flour mill of coarse fodder drainage conduit 35 external so as to complete calcium hydroxide powder through coarse fodder undertaking bucket 34 Sorting, due to carrying out after primary election the calcium hydroxide powder for being not up to fineness requirement again by main frame 10 in one-level separator 20 Grinding, improves milling efficiency, it is to avoid coarse grain powder is gathered, and to calcium hydroxide mixed powder end in two grades of separators 20 Screened again, the fineness degree of powder has been sorted again, thin powder is collected and by the powder refaced that can not drop Particle discharges flour mill, it is to avoid coarse powder, which follows subdivision to enter cyclone collector, influences finished powder quality, enhances powder flowing Property, it is to avoid fine powder is discharged with coarse dust, reduces environmental pollution, and further increases the fineness of made body of powder, it is ensured that The whiteness of made powder.

Wherein one-level drive mechanism is reduced on batch mixing pan the rotating speed of motor one by reducing gear, it is to avoid calcium hydroxide Powder is beaten by the direct rotary collision of batch mixing pan to fly and cannot be introduced into and realize the purpose for getting rid of material.

In addition, the calcium hydroxide flour mill provided according to the utility model above-described embodiment also has following supplementary technology special Levy：

Specifically, as shown in figure 1, the drainage conduit 35 passes through the one-level shell 21 diagonally downward.It can so reduce Two grades of height of screening machine 30, and then lower the whole height of flour mill.

Specifically, the feed pipe 22 is hollow tube, and the hollow tube is sloped down to from outer to inner from one-level shell 20 The surface of the batch mixing pan 23.In this way, calcium hydroxide mixed powder material is guided from hollow tube, in its own Action of Gravity Field Tenesmus is dropped down onto on batch mixing pan 23, it is not necessary to extra power device, can save the energy.

Further, as shown in figure 1, the inwall of drainage conduit 35 and the angle γ of perpendicular meet 30 °≤γ≤45 °, just Fall in calcium hydroxide powder free skating, because 35 ° of the motion angle of repose of white lime, static angle of repose is in 40-45 °, γ≤45 ° Beneficial to powder flowing, 30 °≤γ advantageously reduces flour mill height.Likewise, feed pipe 22 is also obliquely installed by this angle.

Specifically, as shown in figure 3, the batch mixing pan 23 is discoid, including disk body 231 and set on disk body from disk Center is to the guiding rib 232 of external radiation, and adjacent two guiding ribs 232 constitute guide groove 233.Carried out by guiding rib 232 Shunting is oriented to, and powder is thrown away from guide groove 233, realizes powder evenly, it is to avoid accumulation interference.

Further, the rib inner face of the guiding rib 232 is located between the 1/3 to 2/3 of the radius of discoid card, The radius r of same common circle and the radius R of disk of the namely rib inner face formation of guiding rib meet 1/3≤r/ of relation R≤2/3.It is arranged such, it is possible to achieve can be assigned to different lead without the disc centre peripheral part region being oriented at rib Into groove 233, because the radius in region of the disc centre without rib is short, i.e., all smaller than r, centrifugal force is small, the inner face of guiding rib 232 Central area is not extended to, rib can be avoided to the frictional force of powder so that the powder of central area can also be thrown away in time, Realize material evenly on the whole.

Further, the gear ratio of the driven gear 252 and driving gear 251 is more than or equal to 2, the driving gear 251 are arranged on the output shaft one of the motor 1, and the batch mixing pan 23 is arranged on the output shaft one of driven gear 252. Gear drive good reliability, precision is controllable, and then can at least reduce the half that the rotating speed of batch mixing pan 23 is the rotating speed of motor 1.

Yet further, the driving gear 251 and driven gear 252 are bevel gear.Bevel Gear Transmission scheme can change Become transmission direction, keep away side in the week that motor 1 can be arranged in one-level separator 20, so as to be conducive to one-level separator 20 and master Machine 10 and two grades of separators 30 carry out the arrangement of upper and lower connection, reduce whole height.

Specifically, as depicted in figs. 1 and 2, the thick slag striker plate 33 includes the upper circle 331 and lower circle 332 of toroidal And the block reinforcement 333 between circle 331 and lower circle 332 is connected to, two block reinforcements 333 are arranged at intervals to form powder gap； The separating sieve 32 includes circular collar 322 and foundation ring 323 and longitudinally connected point between collar 322 and foundation ring 323 Muscle 321 is selected, two sorting muscle 321 are arranged at intervals to form sorting gap.Upper through-hole is formed with separating sieve 32 with shape Into at dust outlet, upper through-hole causes negative port pipe 39 to connect after negative pressure forming apparatus in separating sieve, the cavity of main frame, one Blast between the level cavity of separator and the cavity of two grades of separators everywhere is negative pressure, and negative pressure forming apparatus is to flour mill chamber Body carries out the blower fan of exhausting, and calcium hydroxide powder, from two grades of one-level sorting chamber direction of flow sorting cavitys, then is passed through in the presence of negative pressure After mistake powder gap on coarse fodder baffle plate 33 is sorted again into separating sieve, fine powder is behind sorting gap from separating sieve dust outlet Collection chamber is flowed to, powder coarse fodder can not be thrown out of by sorting gap, coarse grain is collected into after stopping through block reinforcement 321 and accepts bucket 34 discharge flour mill by drainage conduit 35 again, complete calcium hydroxide powder powder.

Further, as shown in Fig. 2 the longitudinal surface of the block reinforcement 321 is plane, the longitudinal surface of block reinforcement 333 and block reinforcement side Met with the angle α of circle ring center line 10 °≤α≤62 °, the vertical face of the sorting muscle 321 is plane, the vertical face When meeting 18 °≤β≤70 °, such as α=13 ° with the angle β of sorting muscle side and circle ring center's line, β=21 °；During α=18 °, β=40 °； During α=26 °, β=70 °；During α=62 °, β=70 °, or other angle-datas are gone according to actual selection.So separating sieve can be existed In rotary course, thicker calcium hydroxide particle, by bullet to block reinforcement, by such angle design, can not be made by sorting gap Block reinforcement can block thicker calcium hydroxide particle, and accept bucket 34 through coarse grain and discharged from drainage conduit 35, it is to avoid passed through between powder Gap and return to two grades sorting machine cavity bodies in.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within right of the present utility model.

Claims (10)

1. a kind of calcium hydroxide flour mill, including coarse grain calcium hydroxide particle is ground main frame, calcium hydroxide is mixed Powder carries out the one-level separator of primary screener and the calcium hydroxide mixed powder after one-level is screened is screened again Two grades of separators, the one-level separator is located above the main frame, and two grades of separators are connected to one-level sorting On machine, the cavity of one-level separator cavity respectively with the main frame and the cavity UNICOM of two grades of separators, it is special Levy and be, the one-level separator includes one-level shell, through the feeder of the one-level shell, in one-level enclosure cavity Batch mixing pan and the one-level drive mechanism that drives the batch mixing pan to rotate；Two grades of separators include two grades of shells, positioned at institute State the rotation sorter in two grades of enclosure cavities, the second drive mechanism for driving rotation sorter rotation, positioned at the rotation Turn the negative port pipe at sorter dust outlet, be located on the thick slag gear between two grades of shells and the rotation sorter Plate, the coarse grain being connected to below the thick slag baffle plate accept bucket and are used to arrange coarse fodder below bucket with being connected to the coarse grain and accepting Go out the drainage conduit of flour mill.

2. calcium hydroxide flour mill as claimed in claim 1, it is characterised in that：The drainage conduit passes through described one diagonally downward Level shell.

3. calcium hydroxide flour mill as claimed in claim 1, it is characterised in that the feeder is hollow tube, described hollow Pipe slopes down to the surface of the batch mixing pan from one-level shell from outer to inner.

4. calcium hydroxide flour mill as claimed in claim 1, it is characterised in that the batch mixing pan is discoid, the disk The guiding rib from center to external radiation is provided with shape, adjacent two guiding ribs constitute guide groove.

5. calcium hydroxide flour mill as claimed in claim 4, it is characterised in that the rib inner face of the guiding rib is located at circle Between the 1/3 to 2/3 of the radius of plate-like card.

6. calcium hydroxide flour mill as claimed in claim 1, it is characterised in that the one-level drive mechanism includes motor one And reducing gear, the motor shaft cooperation installation of the reducing gear and the motor one, the batch mixing pan, which coordinates, is arranged on described On the output shaft one of reducing gear.

7. calcium hydroxide flour mill as claimed in claim 6, it is characterised in that the reducing gear includes biography of intermeshing Dynamic driving gear and driven gear, the gear ratio of the driven gear and driving gear is more than or equal to 2, the driving gear peace On the motor shaft of the motor one, the batch mixing pan is arranged on the output shaft one of driven gear.

8. calcium hydroxide flour mill as claimed in claim 7, it is characterised in that the driving gear and driven gear are cone Gear.

9. calcium hydroxide flour mill as claimed in claim 1, it is characterised in that the thick slag baffle plate includes toroidal Shang Quan and lower circle and the block reinforcement being connected between Shang Quan and lower circle, two block reinforcements are arranged at intervals to form powder gap；Institute Stating rotation sorter includes circular collar and foundation ring and the longitudinally connected sorting muscle between collar and foundation ring, described in two Sorting muscle is arranged at intervals to form sorting gap.

10. calcium hydroxide flour mill as claimed in claim 9, it is characterised in that the block reinforcement longitudinal surface is plane, described The angle α of plane and block reinforcement side and circle ring center's line is met 10 °≤α≤62 °, and the vertical face of the sorting muscle is plane, The vertical face and the angle β of sorting muscle side and circle ring center's line meet 18 °≤β≤70 °.