CN109530059A - A kind of calcium carbonate dry drying method - Google Patents
A kind of calcium carbonate dry drying method Download PDFInfo
- Publication number
- CN109530059A CN109530059A CN201811362923.6A CN201811362923A CN109530059A CN 109530059 A CN109530059 A CN 109530059A CN 201811362923 A CN201811362923 A CN 201811362923A CN 109530059 A CN109530059 A CN 109530059A
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- China
- Prior art keywords
- calcium carbonate
- abrasive sheet
- grinding barrel
- feed screw
- grinding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/067—Tub-grinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2216—Discharge means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
- B02C4/12—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a plate
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a kind of calcium carbonate dry drying methods, include the following steps: step 1: calcium carbonate is crushed；Step 2: the calcium carbonate obtained after crushing in step 1 is transported in drying device by feed screw to be dried；Calcium carbonate is crushed before drying, is ground; the biggish calcium carbonate of volume is crushed to the particle or powder in small volume; then calcium carbonate is sent and is dried into drying device; calcium carbonate is dried after passing through grinding device; dry speed can effectively be improved; drying time is reduced, so as to effectively increase economic efficiency.
Description
Technical field
The present invention relates to calcium carbonate technical field of drying, and in particular to a kind of calcium carbonate dry drying method.
Background technique
Calcium carbonate is a kind of inorganic compound, is commonly called as lime stone, lime stone, mountain flour, marble, calcite, is a kind of chemical combination
Object, chemical formula are CaCO3, it is in neutrality, is substantially insoluble in, is dissolved in acid.It is Common materials on the earth, be present in aragonite,
It is also the main component of animal skeleton or shell in the rocks such as calcite, chalk, limestone, marble, calcareous tufa.Calcium carbonate
It is important construction material, industrial purposes is very wide and one of junior-senior high school chemistry common agents (are commonly used to anti-with hydrochloric acid
CO should be generated2Deng).
Traditional drying mode is more, such as tray drying, rotary flashing drying, pneumatic conveying drying, belt drying, to carbonic acid
In the design of calcium process units, in order to enable drying can be carried out more quickly, need to crush calcium carbonate, by volume compared with
Big Paris white is broken into the calcium carbonate of small volume, and then it is dried；How drying is improved in drying calcium carbonate
Speed and drying efficiency are our problems to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of calcium carbonate dry drying methods, can effectively improve dry effect by this method
Rate reduces the calcium carbonate dry time, can effectively improve production efficiency, increase economic efficiency.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of calcium carbonate dry drying method, includes the following steps:
Step 1: calcium carbonate is crushed；
Step 2: the calcium carbonate obtained after crushing in step 1 is transported in drying device by feed screw to be dried；
Include the following steps: it is characterized by: crush by calcium carbonate described in step 1
Calcium carbonate is put into grinding device and is crushed, the grinding device includes the shell equipped with inlet port and outlet port
Body, further includes grinding barrel, cutter, transmission shaft, grating disk and driving device, grinding barrel inner hollow and in a circular table shape, grinding barrel
Big end upward, is equipped with the double wedge helically risen on the inner sidewall of grinding barrel, and the cutter is mounted on transmission shaft, grating disk
Positioned at grinding barrel small end, transmission shaft is connect with grating disk, and the first cutter, grating disk lower end and crushing barrel side are equipped on grating disk
Gap between wall forms blanking channel, and driving device can drive transmission shaft and grinding barrel to rotate；
Calcium carbonate enters in grinding barrel from feed inlet, and calcium carbonate is contacted with the cutter of rotation, is tentatively crushed；By preliminary
Smashed calcium carbonate a part is moved to grinding barrel sidewall direction, and the convex tooth contact of grinding barrel inner sidewall with rotation, into
Row crushes；Progress directly is contacted with the first cutter on grating disk and grating disk by preliminary smashed calcium carbonate another part
It crushes, calcium carbonate is discharged after the crushing of cutter, double wedge and the first cutter from blanking channel in grinding barrel；
Smashed calcium carbonate is carried out the step 2 to handle.
The grinding device further includes stock guide and abrasive sheet, and stock guide and abrasive sheet are inclined in shell, lead
Flitch and abrasive sheet are located at below grinding barrel, and stock guide and abrasive sheet form y type, and first is equipped between stock guide and abrasive sheet
Crushed aggregates device, the first crushed aggregates device include lead screw, feed screw nut, guide rod, guide cylinder, spring, connecting rod, fixed plate and multiple stone rollers
Pressure roller, lead screw is horizontally disposed, and lead screw is connected with driving motor, and feed screw nut and lead screw cooperate, and guide rod passes through feed screw nut,
The guide cylinder is mounted below feed screw nut, and spring is mounted in guide cylinder, and connecting rod puts in guide cylinder and is against on spring,
Fixed plate is mounted below connecting rod and is parallel to each other with abrasive sheet, and the milling roller is mounted in fixed plate, each milling roller energy
Enough rotations；It is equipped with first sensor and second sensor on guide rod, first sensor and second sensor are and driving motor
Connection；
The calcium carbonate to fall from blanking channel is fallen on stock guide, is entered on abrasive sheet along stock guide, and calcium carbonate is along grinding
Nog plate glides, and driving motor driving feed screw nut moves on lead screw, and feed screw nut drives fixed plate mobile, peace below fixed plate
The milling roller of dress is pressed on abrasive sheet, is ground to calcium carbonate；When feed screw nut is close to first sensor, driving motor is rotated forward
Become inverting；When feed screw nut is close to second sensor, driving motor reversion becomes rotating forward, and realizes feed screw nut back and forth movement,
Milling roller back and forth grinds calcium carbonate.
Vibrating motor is installed on the abrasive sheet.
Sieve plate is equipped with below the abrasive sheet, sieve plate is obliquely installed, and sieve plate extreme lower position and shell link position are equipped with back
Material outlet, abrasive sheet highest point and shell link position are equipped with feed back import, pass through first between feed back outlet and feed back import
Feed screw connection.
The transmission shaft direction of rotation is different from grinding barrel direction of rotation.
The rotating speed of transmission shaft is different from grinding barrel revolving speed.
Compared with prior art, the invention has the following advantages:
1. the present invention is to crush calcium carbonate first, the biggish calcium carbonate of volume is crushed using grinding device, by volume
The calcium carbonate powder or particle that biggish calcium carbonate becomes small volume can effectively ensure that carbonic acid when being dried
The drying effect of calcium can greatly improve the dry rate of calcium carbonate, reduce drying time, and then guarantee production efficiency, can
It increases economic efficiency.
2. calcium carbonate enters the calcium carbonate in grinding barrel and contacted first with the cutter on transmission shaft, in the work of cutter
Crushed under, cutter crush when, a part of calcium carbonate is moved to grinding barrel sidewall direction, then with grinding barrel inner sidewall
The double wedge of upper setting contacts, and the calcium carbonate that grinding barrel rotation will be close to grinding barrel is crushed again, and another part calcium carbonate is straight
Connect down and fall on grating disk, the moment that calcium carbonate is contacted with grating disk by frictional force, calcium carbonate can be turned round it is broken, meanwhile, powder
The first cutter on broken disk crushes calcium carbonate, the components such as such cutter, grating disk and the first cutter, grinding barrel and double wedge
It is common cooperation under, calcium carbonate can sufficiently be crushed, the calcium carbonate by crushing from blanking channel discharge, due under
Expect that channel has certain width, primary preliminary screening can be carried out to calcium carbonate in this way, biggish calcium carbonate will stay in
Continue to crush in grinding barrel, lesser calcium carbonate will be expelled directly out；And during crushing, calcium carbonate is in grinding barrel
Violent random motion enables calcium carbonate sufficiently to be crushed by cutter, the first cutter, double wedge, effectively raises carbon
The broken effect of sour calcium powder；Calcium carbonate being capable of drying by fast-crushing, when can effectively reduce subsequent dry in grinding barrel
Time guarantees the drying effect of subsequent drying.
It is entered on abrasive sheet 3. the calcium carbonate to fall from blanking channel is fallen on stock guide then along stock guide, and edge
Abrasive sheet glide, regrinding crushing is carried out to calcium carbonate under the action of the first crushed aggregates device, due to the fixed plate pacify
It being parallel to each other below connecting rod and with abrasive sheet, the milling roller is mounted in fixed plate, and each milling roller can rotate, this
Sample enables to feed screw nut to move on lead screw under the drive of driving motor, and first sensor and second sensor are used for
Whether in place to detect feed screw nut, the driving motor rotated forward when feed screw nut is close to first sensor becomes inverting, and works as lead screw
When nut is close to second sensor, the driving motor of reversion becomes rotating forward, and it is round-trip on lead screw to be achieved in feed screw nut
Movement, while feed screw nut movement, so that fixed plate, under the drive of connecting rod, milling roller is carried out in the top of abrasive sheet
Calcium carbonate is ground, since fixed plate and abrasive sheet are parallel to each other, while under the action of the spring, so that the stone roller in fixed plate
Pressure roller can be tightly pressed against on abrasive sheet, and when feed screw nut is mobile, connecting rod is mobile to the carbonic acid on abrasive sheet with fixed plate
Calcium is ground, meanwhile, in the process of moving, since abrasive sheet is obliquely installed, when fixed plate moves right, spring
It will be squeezed, so as to be pressed in the power on abrasive sheet bigger for milling roller in fixed plate, fixed plate is mobile when being moved to the left, spring
It gradually stretches, so that milling roller is pressed in the reduction of the power on abrasive sheet in fixed plate, and so on grinds, it in this way can be by body
The lesser calcium carbonate of product is ground, so that calcium carbonate becomes calcium carbonate powder or particle, can guarantee subsequent drying in this way
Process is quicker, and drying time is shorter, to increase economic efficiency.
4. be equipped with vibrating motor on abrasive sheet of the present invention, under capable of guaranteeing that calcium carbonate on abrasive sheet is continuous in this way
It is sliding, guarantee going on smoothly for crushing process.
5. being equipped with sieve plate below abrasive sheet of the present invention, sieve plate is obliquely installed, sieve plate extreme lower position and shell connection position
Feed back outlet is installed, abrasive sheet highest point and shell link position are equipped with feed back import, between feed back outlet and feed back import
It is connected, the calcium carbonate after grinding can be screened in this way, the carbon of small volume by the first feed screw
Sour calcium will be screened out, and do not conform to the calcium carbonate that symbol requires to turn again to abrasive sheet under the action of the first feed screw enterprising
Row is ground, and be ensure that the quality of calcium carbonate, is kept its size substantially uniform, will be free from the biggish calcium carbonate of volume, is guaranteed
Calcium carbonate is in drying device, and drying time is shorter, rate of drying is faster.
6. transmission shaft direction of rotation of the present invention is different from grinding barrel direction of rotation；Rotating speed of transmission shaft and grinding barrel revolving speed
Difference can be further ensured that calcium carbonate crushing effect in this way, so that calcium carbonate crushes smaller, be convenient for subsequent drying.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Appended drawing reference: 1 shell, 101 feed inlets, 102 discharge ports, 2 grinding barrels, 3 cutters, 4 transmission shafts, 5 grating disks, 6 is convex
Tooth, 7 first cutters, 8 blanking channels, 9 annular convex platform, 10 supporting elements, 11 decelerating motors, 12 first belt pulleys, 13 third belts
Wheel, 14 second belt pulleys, 15 the 4th belt pulleys, 16 shafts, 17 driving gears, 18 engaging tooths, 19 stock guides, 20 abrasive sheets, 21
Driving motor, 22 guide rods, 23 lead screws, 24 first sensors, 25 feed screw nuts, 26 second sensors, 27 fixed plates, 28 guiding
Cylinder, 29 connecting rods, 30 milling rollers, 31 vibrating motors, 32 sieve plates, the outlet of 33 feed backs, 34 feed back imports, 35 first driving motors,
36 first rotating shafts, 37 outer cylinders, 38 helical blades, 39 springs, 40 feed screws, 41 drying devices.
Specific embodiment
The present invention will be further described with reference to the examples below, and described embodiment is only present invention a part
Embodiment is not whole embodiment.Based on the embodiments of the present invention, those skilled in the art are not making
Other embodiments used obtained, belong to protection scope of the present invention under the premise of creative work.
A kind of calcium carbonate dry drying method, includes the following steps:
Step 1: calcium carbonate is crushed；
Step 2: after being crushed in step 1 obtained calcium carbonate powder by feed screw 40 be transported in drying device 41 into
Row drying.
First calcium carbonate is crushed before carrying out step 2, the larger calcium carbonate of volume is ground into volume by grinding device
Then lesser particle or powder are fed directly to be dried in drying device 41 by helicoidal feeder 40；It crushes
Shi Caiyong grinding device is crushed；In conjunction with following examples, the present invention will be further described.
Embodiment 1
Grinding device of the present invention includes shell 1, and shell 1 is equipped with feed inlet 101 and discharge port 102, and 1 bottom of shell is in
Taper, discharge port 102 are arranged in 1 bottom of shell；It in the present embodiment further include grinding barrel 2, cutter 3, transmission shaft 4, grating disk 5
And driving device, 2 inner hollow of grinding barrel and in a circular table shape, 2 big end of grinding barrel upward, is equipped on the inner sidewall of grinding barrel 2
The double wedge 6 helically risen, the cutter 3 are mounted on transmission shaft 4, and grating disk 5 is located at 2 small end of grinding barrel, transmission shaft 4 and powder
Broken disk 5 connects, and the first cutter 7 is equipped on grating disk 5, and the gap between 2 side wall of 5 lower end of grating disk and grinding barrel forms blanking
Channel 8, driving device can drive transmission shaft 4 and grinding barrel 2 to rotate.
It should be noted that annular convex platform 9 is set in 2 upper side of grinding barrel in order to enable grinding barrel 2 to rotate,
Case top is equipped with supporting element 10, and supporting element 10 is equipped with the groove agreed with 9 phase of annular convex platform, and grinding barrel 2 passes through convex annular
The cooperation of platform 9 and groove, which is realized, to be rotated.
Wherein, the driving device includes decelerating motor 11, the first belt pulley 12, the second belt pulley 14, third belt pulley
13, the 4th belt pulley 15, driving gear 17 and shaft 16, decelerating motor 11 are mounted on shell 1, are equipped in 2 outer wall of grinding barrel
Engaging tooth 18, the first belt pulley 12 are mounted on transmission shaft 4, and third belt pulley 13 is mounted in shaft 16, the second belt pulley 14
It is mounted on the output shaft of decelerating motor 11 with the 4th belt pulley 15, the first belt pulley 12 and the second belt pulley 14 are connected by belt
It connects, third belt pulley 13 is connect with the 4th belt pulley 15 also by belt, and driving gear 17 is mounted on shaft 16, and is made actively
Gear 17 and engaging tooth 18 are intermeshed.
It advanced optimizes, is equipped with inclined stock guide 19 and abrasive sheet 20, stock guide 19 and abrasive sheet 20 in the shell 1
Positioned at 2 lower section of grinding barrel, stock guide 19 and abrasive sheet 20 form y type, and it is broken that first is equipped between stock guide 19 and abrasive sheet 20
Expect that device, the first crushed aggregates device include lead screw 23, feed screw nut 25, guide rod 22, guide cylinder 28, spring 39, connecting rod 29, fix
Plate 27 and multiple milling rollers 30, lead screw 23 is horizontally disposed, and lead screw 23 is connected with driving motor 21, feed screw nut 25 and 23 phase of lead screw
Mutually cooperation, guide rod 22 pass through feed screw nut 25, and the guide cylinder 28 is mounted on 25 lower section of feed screw nut, and spring 39 is mounted on guiding
In cylinder 28, connecting rod 29, which is put in guide cylinder 28, to be against on spring 39, fixed plate 27 be mounted on the lower section of connecting rod 29 and with grinding
Plate 20 is parallel to each other, and the milling roller 30 is mounted in fixed plate 27, and each milling roller 30 can rotate；The is equipped on guide rod 22
One sensor 24 and second sensor 26, first sensor 24 and second sensor 26 are connect with driving motor 21.
It advanced optimizes, vibrating motor 31 is installed on the abrasive sheet 20.
Advanced optimize, sieve plate 32 be equipped with below the abrasive sheet 20, sieve plate 32 is obliquely installed, 32 extreme lower position of sieve plate with
1 link position of shell is equipped with feed back outlet 33, and 20 highest point of abrasive sheet and 1 link position of shell are equipped with feed back import 34, feed back
It is connected between outlet 33 and feed back import 34 by the first feed screw.
Wherein, first feed screw includes the first driving motor 35, outer cylinder 37, first rotating shaft 36, and outer cylinder 37 is pacified
Outside shell 1, it is equipped with helical blade 38 along its axial direction in first rotating shaft 36, first rotating shaft 36 is mounted in outer cylinder 37,
First driving motor 35 is connect with first rotating shaft 36, and the first driving motor 35 can drive first rotating shaft 36 to rotate, on outer cylinder 37
Equipped with inlet and outlet, import is connected with feed back outlet 33, and outlet is connected with feed back import 34.
Further, discharge port 102 is attached by feed screw 40 with drying device 41.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, other the difference is that: 4 direction of rotation of transmission shaft and grinding barrel 2 revolve
Turn direction difference；4 revolving speed of transmission shaft is different from 2 revolving speed of grinding barrel.
In practice in order to guarantee that 4 revolving speed of transmission shaft is different from 2 revolving speed of grinding barrel, it is only necessary to guarantee transmission ratio difference i.e.
It can.
It, can be on the basis of embodiment 1 in order to guarantee that 4 direction of rotation of transmission shaft is different from 2 direction of rotation of grinding barrel
On, it increases a decelerating motor 11 newly, so that the 4th belt pulley 15 is mounted on newly-increased 11 output shaft of decelerating motor, only needs
Will be by the revolving speed and rotation direction of two decelerating motors 11 of control, control process is simple.
Drying process of the invention is as follows: calcium carbonate is put into grinding barrel 2 first, calcium carbonate first with transmission shaft 4
On cutter 3 contacted, crushed under the action of cutter 3, cutter 3 crush calcium carbonate when, a part of calcium carbonate to
The movement of 2 sidewall direction of grinding barrel, then contacts with the double wedge 6 being arranged on 2 inner sidewall of grinding barrel, and the rotation of grinding barrel 2 will be close to powder
The calcium carbonate of broken bucket 2 is crushed again, is fallen on grating disk 5 under another part calcium carbonate is direct, and calcium carbonate connects with grating disk 5
The moment of touching by frictional force, calcium carbonate can be turned round it is broken, meanwhile, calcium carbonate is carried out powder by the first cutter 7 on grating disk 5
It is broken, it, can be by carbon in this way under the common cooperation of the components such as cutter 3, grating disk 5 and the first cutter 7, grinding barrel 2 and double wedge 6
Sour calcium is sufficiently crushed, and the calcium carbonate by crushing is discharged from blanking channel 8, since blanking channel 8 has certain width,
Primary preliminary screening can be carried out to calcium carbonate in this way, biggish calcium carbonate, which will stay in grinding barrel 2, to be continued to crush, smaller
Calcium carbonate will be expelled directly out；And during crushing, calcium carbonate random motion violent in grinding barrel 2, so that
Calcium carbonate can sufficiently be crushed by cutter 3, the first cutter 7, double wedge 6, meanwhile, it mutually hits between calcium carbonate by calcium carbonate
It crashes.
The calcium carbonate to fall from blanking channel 8, which is fallen on stock guide 19, enters abrasive sheet 20 then along stock guide 19
On, and will glide along abrasive sheet 20, the first crushed aggregates device will carry out regrinding crushing, the fixed plate 27 to calcium carbonate
It is mounted on 29 lower section of connecting rod and is parallel to each other with abrasive sheet 20, the milling roller 30 is mounted in fixed plate 27, each milling roller
30 can rotate, and move feed screw nut 25 on lead screw 23, first sensor 24 and second
Whether in place sensor 26 for detecting feed screw nut 25, the driving electricity rotated forward when feed screw nut 25 is close to first sensor 24
Machine 21 becomes inverting, and when feed screw nut 25 is close to second sensor 26, the driving motor 21 of reversion becomes rotating forward, real in this way
Existing back and forth movement of the feed screw nut 25 on lead screw 23, while feed screw nut 25 moves, so that fixed plate 27 is in connecting rod
Under 29 drive, milling roller 30 carries out grinding calcium carbonate in the top of abrasive sheet 20, due to fixed plate 27 and abrasive sheet 20
It is parallel to each other, while under the action of spring 39, the milling roller 30 in fixed plate 27 is tightly pressed against on abrasive sheet 20,
When feed screw nut 25 is mobile, connecting rod 29 grinds the calcium carbonate on abrasive sheet 20 with the movement of fixed plate 27, together
When, during this mobile, since abrasive sheet 20 is obliquely installed, when fixed plate 27 moves right, spring 39 will
It is squeezed, so that the power that milling roller 30 is pressed on abrasive sheet 20 in fixed plate 27 is bigger, when the movement of fixed plate 27 is moved to the left,
Spring 39 gradually stretches, so that milling roller 30 is pressed in the reduction of the power on abrasive sheet 20 in fixed plate 27, so carries out to calcium carbonate
Back and forth grind.
Under the action of vibrating motor 31, the calcium carbonate on abrasive sheet 20 can smoothly glide, guarantee to grind into
Row.
Sieve plate 32 is equipped with below abrasive sheet 20, sieve plate 32 is obliquely installed, 32 extreme lower position of sieve plate and 1 link position of shell
Equipped with feed back outlet 33,20 highest point of abrasive sheet and 1 link position of shell be equipped with feed back import 34, feed back outlet 33 and feed back into
It is connected between mouth 34 by the first feed screw, the calcium carbonate after grinding can be screened in this way, it is smaller
Satisfactory calcium carbonate discharge, and do not conform to the calcium carbonate that symbol requires and turn again to grinding under the action of the first feed screw
It is ground on plate 20, ensure that the quality of calcium carbonate, keep its size substantially uniform, will be free from the biggish carbonic acid of volume
Calcium.
Calcium carbonate after being crushed, being ground by grinding device is delivered in drying device 41 by feed screw 40
It is dried, entire crushing, grinding and dry process can be completed.
Calcium carbonate is crushed by grinding device, so as to effectively improve the dry efficiency of calcium carbonate.
Claims (6)
1. a kind of calcium carbonate dry drying method, includes the following steps:
Step 1: calcium carbonate is crushed；
Step 2: the calcium carbonate obtained after crushing in step 1 is transported in drying device by feed screw to be dried；
Include the following steps: it is characterized by: crush by calcium carbonate described in step 1
Calcium carbonate is put into grinding device and is crushed, the grinding device includes the shell equipped with inlet port and outlet port
Body, further includes grinding barrel, cutter, transmission shaft, grating disk and driving device, grinding barrel inner hollow and in a circular table shape, grinding barrel
Big end upward, is equipped with the double wedge helically risen on the inner sidewall of grinding barrel, and the cutter is mounted on transmission shaft, grating disk
Positioned at grinding barrel small end, transmission shaft is connect with grating disk, and the first cutter, grating disk lower end and crushing barrel side are equipped on grating disk
Gap between wall forms blanking channel, and driving device can drive transmission shaft and grinding barrel to rotate；
Calcium carbonate enters in grinding barrel from feed inlet, and calcium carbonate is contacted with the cutter of rotation, is tentatively crushed；By preliminary
Smashed calcium carbonate a part is moved to grinding barrel sidewall direction, and the convex tooth contact of grinding barrel inner sidewall with rotation, into
Row crushes；Progress directly is contacted with the first cutter on grating disk and grating disk by preliminary smashed calcium carbonate another part
It crushes, calcium carbonate is discharged after the crushing of cutter, double wedge and the first cutter from blanking channel in grinding barrel；
Smashed calcium carbonate is carried out the step 2 to handle.
2. a kind of calcium carbonate dry drying method according to claim 1, it is characterised in that: the grinding device further includes leading
Flitch and abrasive sheet, stock guide and abrasive sheet are inclined in shell, and stock guide and abrasive sheet are located at below grinding barrel, guide
Plate and abrasive sheet form y type, are equipped with the first crushed aggregates device between stock guide and abrasive sheet, the first crushed aggregates device include lead screw,
Feed screw nut, guide rod, guide cylinder, spring, connecting rod, fixed plate and multiple milling rollers, lead screw is horizontally disposed, and lead screw is connected with drive
Dynamic motor, feed screw nut and lead screw cooperate, and guide rod passes through feed screw nut, and the guide cylinder is mounted below feed screw nut,
Spring is mounted in guide cylinder, and connecting rod puts in guide cylinder and is against on spring, fixed plate be mounted below connecting rod and with grind
Nog plate is parallel to each other, and the milling roller is mounted in fixed plate, and each milling roller can rotate；First sensor is equipped on guide rod
And second sensor, first sensor and second sensor are connect with driving motor；
The calcium carbonate to fall from blanking channel is fallen on stock guide, is entered on abrasive sheet along stock guide, and calcium carbonate is along grinding
Nog plate glides, and driving motor driving feed screw nut moves on lead screw, and feed screw nut drives fixed plate mobile, peace below fixed plate
The milling roller of dress is pressed on abrasive sheet, is ground to calcium carbonate；When feed screw nut is close to first sensor, driving motor is rotated forward
Become inverting；When feed screw nut is close to second sensor, driving motor reversion becomes rotating forward, and realizes feed screw nut back and forth movement,
Milling roller back and forth grinds calcium carbonate.
3. a kind of calcium carbonate dry drying method according to claim 2, it is characterised in that: be equipped with vibration on the abrasive sheet
Motor.
4. a kind of calcium carbonate dry drying method according to claim 2, it is characterised in that: be equipped with sieve below the abrasive sheet
Plate, sieve plate are obliquely installed, and sieve plate extreme lower position and shell link position are exported equipped with feed back, and abrasive sheet highest point is connect with shell
Position is equipped with feed back import, is connected between feed back outlet and feed back import by the first feed screw.
5. a kind of calcium carbonate dry drying method according to claim 2, it is characterised in that: the transmission shaft direction of rotation and powder
Broken bucket direction of rotation is different.
6. a kind of calcium carbonate dry drying method according to claim 2, it is characterised in that: the rotating speed of transmission shaft and grinding barrel
Revolving speed is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111111859A (en) * | 2019-12-25 | 2020-05-08 | 应元芬 | Corn processing is with breaker that skins |
| CN113083456A (en) * | 2021-03-22 | 2021-07-09 | 胡晓颖 | Intelligent automatic food cutting equipment |
| CN113769849A (en) * | 2021-07-31 | 2021-12-10 | 苏州市建筑材料再生资源利用有限公司 | Ironwork screening installation among fitment rubbish |
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