Ultrafine grinding machine for processing lime powder

By introducing crushing, grinding, screening, and purging mechanisms into the ultrafine grinding mill for lime powder processing, the problems of poor grinding effect and residue in the existing technology have been solved, and a highly efficient lime powder processing process has been achieved.

CN223901999UActive Publication Date: 2026-02-13JINAN SHENGXIN FURNACE CO LTD
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Patent Information

Application Number
CN202520277749.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-02-13
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Existing ultrafine grinding mills for lime powder processing have poor grinding effects, are difficult to process large lime blocks, and the ground lime powder is easy to remain on the grinding rollers, making it difficult to clean.

Method used

An ultrafine mill was designed, comprising a crushing mechanism, a grinding mechanism, a screening mechanism, a collecting mechanism, and a purging mechanism. The crushing mechanism performs preliminary crushing of lime blocks, the grinding mechanism performs fine grinding, the screening mechanism performs sieving, the collecting mechanism collects qualified powder, and the purging mechanism cleans up residual powder, ensuring grinding effect and avoiding waste.

Benefits of technology

It achieves efficient crushing and grinding of lime blocks, avoids lime powder residue after grinding, improves grinding efficiency and reduces waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lime powder processing, in particular to a superfine grinding machine for processing lime powder, which not only can crush lime blocks before fine grinding to ensure the grinding effect, but also can purge lime powder remaining on the device to avoid waste. Comprising a grinder; the device further comprises a smashing mechanism, a grinding mechanism, a screening mechanism, a collecting mechanism and a blowing mechanism, the smashing mechanism is installed on the grinding machine and conducts smashing treatment on large-size lime blocks, the grinding mechanism is installed on the smashing mechanism and conducts fine grinding on the lime blocks, and the screening mechanism is installed on the grinding mechanism and accelerates screening of lime powder. The collecting mechanism is installed on the grinding machine and facilitates collection of ground lime powder, and the purging mechanism is installed on the grinding machine and purges lime powder remaining on the grinding mechanism.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lime powder processing, in particular to a kind of for lime powder processing ultrafine grinder. BACKGROUND

[0002] Limestone powder, also known as lime powder, is a widely used building material and chemical raw material, and its main component is calcium carbonate. After calcination at high temperature, it forms quicklime, and then through hydrolysis, digestion, carbonization and dehydration processes, it obtains lime powder.

[0003] The existing lime powder processing ultrafine grinder, for example, the dust reduction type lime powder fine grinding device disclosed in the utility model patent with application number 202222536194.X, mainly includes a grinding box. The inside of the grinding box is divided into a feeding chamber, a grinding chamber and a discharging chamber from top to bottom. A filter screen is installed at the junction of the grinding chamber and the discharging chamber. A discharge port is opened on the side wall of the discharging chamber. A feeding hopper is installed on the top of the feeding chamber. A grinding roller is rotatably installed inside the grinding chamber. A drive motor is installed outside the grinding box, and the driving end of the drive motor is connected with the grinding roller. In use, the lime powder to be finely ground is added into the feeding hopper, then enters the feeding chamber, and then enters the grinding chamber. The drive motor is started, and the grinding roller is driven to rotate by the drive motor to finely grind the lime powder in the grinding chamber. The fine ground powder passes through the filter screen and falls into the discharging chamber, and then is discharged through the discharge port.

[0004] However, the existing grinding machine mostly only performs one grinding, and the grinding effect is poor, making it difficult to process large-sized lime blocks. Moreover, the ground lime powder is easily left on the grinding roller, making it difficult to clean. SUMMARY

[0005] To solve the above technical problems, the utility model provides an ultrafine grinder for lime powder processing, which can not only crush lime blocks before fine grinding to ensure the grinding effect, but also blow off the lime powder left on the device to avoid waste.

[0006] The utility model discloses a kind of for lime powder processing superfine grinder, including grinder;Still including crushing mechanism, grinding mechanism, screening mechanism, collection mechanism and blowing mechanism, crushing mechanism is installed on grinder and carries out crushing treatment to bulk lime block, grinding mechanism is installed on crushing mechanism and carries out fine grinding to lime block, screening mechanism is installed on grinding mechanism and accelerates the screening of lime powder, collection mechanism is installed on grinder and conveniently carries out collection to the lime powder after grinding, blowing mechanism is installed on grinder and carries out blowing to the lime powder remaining on grinding mechanism;Staff sends lime block to grinder, starts crushing mechanism and carries out primary crushing to lime block, avoid the influence of grinding effect by too large lime block, fine grinding of lime block after crushing is ground by grinding mechanism, lime powder after grinding is screened on screening mechanism, avoid the lime powder of insufficient fineness being collected by collection mechanism, simultaneously start blowing mechanism and carry out blowing to grinding mechanism and screening mechanism, avoid lime powder remaining on it and cause waste.

[0007] Preferably, the grinder includes a shell, a hopper and a dust cover, the bottom end of the shell is connected with the ground, the inside of the shell is provided with a cavity, the bottom end of the hopper is in communication with the inside of the top end of the shell, and the dust cover is installed on the hopper; the staff sends the lime block into the hopper, and the lime block is crushed by the crushing mechanism in the hopper; the crushed lime block enters the cavity of the shell for grinding and screening; the dust cover is arranged to prevent the lime block from splashing during the crushing process.

[0008] Preferably, the crushing mechanism includes a motor, a speed reducer, a transmission shaft, two sets of crushing rollers, two sets of gears, two sets of first sprockets and a first chain, the motor is installed on the shell, the speed reducer is installed on the shell, the transmission shaft is rotatably installed on the shell, the two sets of crushing rollers are rotatably installed in the hopper, the two sets of gears are respectively installed on the two sets of crushing rollers and are in meshing transmission, the two sets of first sprockets are respectively installed on the transmission shaft and the crushing rollers, and the first chain is transmissionally installed on the two sets of first sprockets; the motor is started to rotate the transmission shaft through the speed reducer, the transmission shaft rotates the first sprocket connected thereto, the first sprocket rotates the other first sprocket and the crushing roller connected thereto through the first chain, the crushing roller rotates the other crushing roller through the meshing transmission of the two sets of gears, and the two sets of crushing rollers crush the large lime block.

[0009] Preferably, the grinding mechanism includes two sets of fixed discs, a grinding roller, two sets of second sprockets and a second chain, the two sets of fixed discs are installed in the cavity of the shell, the grinding roller is rotatably installed in the cavity of the shell and located between the two sets of fixed discs, the two sets of second sprockets are respectively installed between the grinding roller and the transmission shaft, and the second chain is transmissionally installed between the two sets of second sprockets; the transmission shaft rotates the second sprocket connected thereto, the second sprocket rotates the other second sprocket and the grinding roller through the second chain, the lime block enters the gap between the fixed disc and the grinding roller, and the grinding roller rotates in cooperation with the two sets of fixed discs to grind the lime block.

[0010] Preferably, the screening mechanism comprises a screen plate, a vibrating shaft, two sets of vibrating blocks, two sets of third chain wheels and a third chain, the screen plate is obliquely installed in the cavity of the shell, the vibrating shaft is rotatably installed in the cavity of the shell and located below the screen plate, the two sets of vibrating blocks are both installed on the vibrating shaft, the two sets of third chain wheels are respectively installed on the vibrating shaft and the grinding roller, and the third chain is drivingly installed between the two sets of third chain wheels; the ground lime powder falls through the screen plate into the collecting mechanism for collection, and the unground lime blocks remain on the screen plate, the grinding roller drives the third chain wheel connected thereto to rotate, the third chain wheel drives the other set of third chain wheel and the vibrating shaft to rotate through the third chain, the vibrating shaft drives the two sets of vibrating blocks to rotate, and the two sets of vibrating blocks knock the screen plate to make the lime powder remaining on the screen plate fall off.

[0011] Preferably, the collecting mechanism comprises a hinge, a sealing cover, a drawer and a handle, the hinge is installed on the shell, the sealing cover is installed on the hinge, the drawer is slidingly installed in the cavity of the shell, and the handle is installed on the drawer; the lime powder falls into the drawer for collection, the staff pulls out the drawer by the handle to facilitate taking out the lime powder, and then pulls the sealing cover to facilitate discharging the lime blocks screened by the screen plate for regrinding.

[0012] Preferably, the blowing mechanism comprises an air pump, an air suction pipe, a filter screen, a gas conveying pipe, three sets of air distribution pipes and a plurality of spray heads, the air pump is installed on the shell, the air suction pipe is installed on the air pump, the filter screen is installed in the cavity of the shell and communicates with the inside of the air suction pipe, the gas conveying pipe is installed on the air pump, the three sets of air distribution pipes are all installed in the cavity of the shell and communicate with the inside of the gas conveying pipe, and the plurality of spray heads are respectively installed on the three sets of air distribution pipes; the air pump is started, the air suction pipe sucks out the air below the screen plate through the air suction pipe to accelerate the sedimentation of the lime powder, the filter screen is arranged to avoid the lime powder being sucked into the air suction pipe, the air is conveyed into the three sets of air distribution pipes through the gas conveying pipe, the three sets of air distribution pipes convey the air into the plurality of spray heads, and the plurality of spray heads spray out the air to blow the grinding roller, the two sets of fixed discs and the screen plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are that the staff puts the lime blocks into the grinding machine, starts the crushing mechanism to preliminarily crush the lime blocks, avoids that the lime blocks are too large to affect the grinding effect, finely grinds the crushed lime blocks by the grinding mechanism, screens the ground lime powder on the screening mechanism, avoids that the lime powder with insufficient fineness is collected by the collecting mechanism, and simultaneously starts the blowing mechanism to blow the grinding mechanism and the screening mechanism, thereby avoiding that the lime powder is left on them to cause waste. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axonometric structure schematic view of the utility model;

[0015] Figure 2It is the sectioned axonometric structure schematic view of the grinder, the grinding mechanism and the blowing mechanism of the utility model.

[0016] Figure 3 It is the axonometric structure schematic view of the crushing mechanism and the grinding mechanism of the utility model.

[0017] Figure 4 It is the sectioned axonometric structure schematic view of the screening mechanism of the utility model.

[0018] Figure 5 It is the local enlarged axonometric structure schematic view of the collecting mechanism of the utility model.

[0019] Marked in the drawing: 01, grinder;11, machine shell;12, feeding hopper;13, dust cover;02, crushing mechanism;21, motor;22, speed reducer;23, transmission shaft;24, crushing roller;25, gear;26, first sprocket;27, first chain;03, grinding mechanism;31, fixed disc;32, grinding roller;33, second sprocket;34, second chain;04, screening mechanism;41, screen plate;42, vibration shaft;43, vibration block;44, third sprocket;45, third chain;05, collecting mechanism;51, hinge;52, sealing cover;53, drawer;54, handle;06, blowing mechanism;61, air pump;62, suction pipe;63, filter screen;64, gas delivery pipe;65, gas distribution pipe;66, spray head. DETAILED DESCRIPTION

[0020] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] The utility model relates to a kind of for lime powder processing ultrafine grinder, including grinder 01;Still including crushing mechanism 02, grinding mechanism 03, screening mechanism 04, collection mechanism 05 and purging mechanism 06, crushing mechanism 02 is installed on grinder 01 and carries out crushing treatment to bulk lime block, grinding mechanism 03 is installed on crushing mechanism 02 and carries out fine grinding to lime block, screening mechanism 04 is installed on grinding mechanism 03 and accelerates the screening of lime powder, collection mechanism 05 is installed on grinder 01 and is convenient to collect after grinding lime powder, purging mechanism 06 is installed on grinder 01 and carries out purging to the lime powder remaining on grinding mechanism 03;Grinder 01 includes casing 11, upper hopper 12 and dust cover 13, the bottom end of casing 11 is connected with ground, and the inside of casing 11 is provided with cavity, and the bottom end of upper hopper 12 is communicated with the top end inside of casing 11, and dust cover 13 is installed on upper hopper 12;Crushing mechanism 02 includes motor 21, speed reducer 22, transmission shaft 23, two groups of crushing rollers 24, two groups of gears 25, two groups of first sprocket 26 and first chain 27, motor 21 is installed on casing 11, speed reducer 22 is installed on casing 11, transmission shaft 23 is rotatably installed on casing 11, two groups of crushing rollers 24 are rotatably installed in upper hopper 12, two groups of gears 25 are installed on two groups of crushing rollers 24 respectively and are engaged transmission, two groups of first sprocket 26 are installed on transmission shaft 23 and crushing roller 24 respectively, and first chain 27 is drivingly installed on two groups of first sprocket 26;Grinding mechanism 03 includes two groups of fixed disc 31, grinding roller 32, two groups of second sprocket 33 and second chain 34, two groups of fixed disc 31 are all installed in the cavity of casing 11, grinding roller 32 is rotatably installed in the cavity of casing 11 and is located between two groups of fixed disc 31, two groups of second sprocket 33 are installed between grinding roller 32 and transmission shaft 23 respectively, and second chain 34 is drivingly installed between two groups of second sprocket 33;Screening mechanism 04 includes sieve plate 41, vibration shaft 42, two groups of vibration blocks 43, two groups of third sprocket 44 and third chain 45, sieve plate 41 is obliquely installed in the cavity of casing 11, vibration shaft 42 is rotatably installed in the cavity of casing 11 and is located below sieve plate 41, two groups of vibration blocks 43 are all installed on vibration shaft 42, two groups of third sprocket 44 are installed on vibration shaft 42 and grinding roller 32 respectively, and third chain 45 is drivingly installed between two groups of third sprocket 44;Collection mechanism 05 includes hinge 51, sealing cover 52, drawer 53 and handle 54, hinge 51 is installed on casing 11, sealing cover 52 is installed on hinge 51, drawer 53 is slidingly installed in the cavity of casing 11, and handle 54 is installed on drawer 53.In its work, first, the staff will send the lime block into the hopper 12, start the motor 21, the motor 21 through the speed reducer 22 drive shaft 23 rotation, drive shaft 23 drive the first sprocket 26 rotation, the first sprocket 26 through the first chain 27 drive another set of first sprocket 26 and the associated crushing roller 24 rotation, crushing roller 24 through two sets of gear 25 meshing transmission drive another set of crushing roller 24 rotation, two sets of crushing roller 24 will be crushed, the lime block through the setting dust cover 13 to avoid the crushing mechanism 02 crushing process in the lime block splashing, crushed lime block into the cavity of the shell 11 grinding, drive shaft 23 drive the second sprocket 33 rotation, the second sprocket 33 through the second chain 34 drive another set of second sprocket 33 and grinding roller 32 rotation, the lime block into the fixed disc 31 and grinding roller 32 gap between, grinding roller 32 rotation with two sets of fixed disc 31 on the lime block grinding, after grinding the lime powder through the sieve plate 41 dropped into the collection mechanism 05 collection, not completely ground lime block remains on the sieve plate 41, grinding roller 32 drive the associated third sprocket 44 rotation, the third sprocket 44 through the third chain 45 drive another set of third sprocket 44 and vibration shaft 42 rotation, vibration shaft 42 drive two sets of vibration block 43 rotation, two sets of vibration block 43 knock sieve plate 41, make the residual in the sieve plate 41 on the lime powder drop, lime powder drop into the drawer 53 collection, the staff pull the handle 54 will be drawn out of the drawer 53, convenient to take out the lime powder, then pull the sealing cover 52, convenient to sieve plate 41 screening out the lime block discharge regrinding.

[0023] Example 2

[0024] As Figures 1 to 5As shown, the utility model is a kind of for lime powder processing superfine grinder, on the basis of embodiment 1;Purging mechanism 06 includes air pump 61, suction pipe 62, filter screen 63, gas pipe 64, three groups of gas distribution pipe 65 and multiple groups of spray head 66, air pump 61 is installed on the casing 11, suction pipe 62 is installed on air pump 61, filter screen 63 is installed in the cavity of casing 11 and is communicated with the inside of suction pipe 62, gas pipe 64 is installed on air pump 61, three groups of gas distribution pipe 65 are all installed in the cavity of casing 11 and are communicated with the inside of gas pipe 64, multiple groups of spray head 66 are respectively installed on three groups of gas distribution pipe 65;When it works, first, staff sends lime block to feeding hopper 12, starts motor 21, motor 21 drives transmission shaft 23 to rotate by speed reducer 22, transmission shaft 23 drives the first sprocket 26 rotation connected with it, the first sprocket 26 drives another group of first sprocket 26 and the crushing roller 24 rotation connected with it by the first chain 27, the crushing roller 24 drives another group of crushing roller 24 rotation by the meshing transmission of two groups of gear 25, two groups of crushing roller 24 crush big lime block, avoid lime block splashing in the crushing process of crushing mechanism 02 by setting dust cover 13, after crushing, lime block enters the cavity of casing 11 and grinds, transmission shaft 23 drives the second sprocket 33 rotation connected with it, the second sprocket 33 drives another group of second sprocket 33 and grinding roller 32 rotation by the second chain 34, lime block enters the gap between fixed disc 31 and grinding roller 32, grinding roller 32 rotates and cooperates two groups of fixed disc 31 to grind lime block, after grinding, lime powder falls to collecting mechanism 05 and is collected, not completely ground lime block remains on sieve plate 41, grinding roller 32 drives the third sprocket 44 rotation connected with it, the third sprocket 44 drives another group of third sprocket 44 and vibration shaft 42 rotation by the third chain 45, vibration shaft 42 drives two groups of vibration block 43 rotation, two groups of vibration block 43 knock sieve plate 41, so that lime powder remaining on sieve plate 41 falls, lime powder falls to drawer 53 and is collected, start air pump 61, suction pipe 62 extracts air below sieve plate 41 by suction pipe 62, accelerates lime powder settlement, avoid lime powder being sucked into suction pipe 62 by setting filter screen 63, air is sent to three groups of gas distribution pipe 65 by gas pipe 64, three groups of gas distribution pipe 65 send air to multiple groups of spray head 66, multiple groups of spray head 66 spray air to purify grinding roller 32, two groups of fixed disc 31 and sieve plate 41, staff pulls handle 54 and extracts drawer 53, convenient to take out lime powder, then pull sealing cover 52, convenient to discharge lime block screened out from sieve plate 41 and regrind.

[0025] The motor 21, speed reducer 22 and air pump 61 of the utility model are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0026] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A lime powder processing ultrafine mill comprising a grinder (01); characterized in that, It also includes a crushing mechanism (02), a grinding mechanism (03), a screening mechanism (04), a collecting mechanism (05) and a blowing mechanism (06), the crushing mechanism (02) is installed on the grinding machine (01) and performs crushing treatment on large volume lime blocks, the grinding mechanism (03) is installed on the crushing mechanism (02) and performs fine grinding on the lime blocks, the screening mechanism (04) is installed on the grinding mechanism (03) and accelerates the screening of lime powder, the collecting mechanism (05) is installed on the grinding machine (01) and facilitates the collection of ground lime powder, and the blowing mechanism (06) is installed on the grinding machine (01) and blows the lime powder remaining on the grinding mechanism (03).

2. A lime powder processing ultrafine mill as claimed in claim 1, wherein, The grinding machine (01) comprises a machine shell (11), a feeding hopper (12) and a dust cover (13), the bottom end of the machine shell (11) is connected with the ground, and the inside of the machine shell (11) is provided with a cavity, the bottom end of the feeding hopper (12) is in communication with the inside of the top end of the machine shell (11), and the dust cover (13) is installed on the feeding hopper (12).

3. A lime powder processing ultrafine mill as claimed in claim 2, wherein, The crushing mechanism (02) comprises a motor (21), a speed reducer (22), a transmission shaft (23), two groups of crushing rollers (24), two groups of gears (25), two groups of first sprockets (26) and a first chain (27), the motor (21) is installed on the machine shell (11), the speed reducer (22) is installed on the machine shell (11), the transmission shaft (23) is rotatably installed on the machine shell (11), the two groups of crushing rollers (24) are rotatably installed in the feeding hopper (12), the two groups of gears (25) are installed on the two groups of crushing rollers (24) and are in meshing transmission, the two groups of first sprockets (26) are installed on the transmission shaft (23) and the crushing rollers (24), and the first chain (27) is transmissionally installed on the two groups of first sprockets (26).

4. A lime powder processing ultrafine mill as claimed in claim 3, wherein, The grinding mechanism (03) comprises two groups of fixed discs (31), a grinding roller (32), two groups of second sprockets (33) and a second chain (34), the two groups of fixed discs (31) are installed in the cavity of the machine shell (11), the grinding roller (32) is rotatably installed in the cavity of the machine shell (11) and located between the two groups of fixed discs (31), the two groups of second sprockets (33) are installed between the grinding roller (32) and the transmission shaft (23), and the second chain (34) is transmissionally installed between the two groups of second sprockets (33).

5. A lime dust processing ultrafine mill as claimed in claim 4, wherein, The screening mechanism (04) comprises a screen plate (41), a vibrating shaft (42), two groups of vibrating blocks (43), two groups of third sprockets (44) and a third chain (45), the screen plate (41) is obliquely installed in the cavity of the machine shell (11), the vibrating shaft (42) is rotatably installed in the cavity of the machine shell (11) and located below the screen plate (41), the two groups of vibrating blocks (43) are installed on the vibrating shaft (42), the two groups of third sprockets (44) are installed on the vibrating shaft (42) and the grinding roller (32), and the third chain (45) is transmissionally installed between the two groups of third sprockets (44).

6. A lime powder processing ultrafine mill as claimed in claim 2, wherein, The collecting mechanism (05) comprises a hinge (51), a sealing cover (52), a drawer (53) and a handle (54), the hinge (51) is installed on the shell (11), the sealing cover (52) is installed on the hinge (51), the drawer (53) is slidingly installed in the cavity of the shell (11), and the handle (54) is installed on the drawer (53).

7. A lime powder processing ultrafine mill as claimed in claim 2, wherein, The blowing mechanism (06) comprises an air pump (61), a suction pipe (62), a filter screen (63), a gas conveying pipe (64), three groups of gas distribution pipes (65) and multiple groups of spray heads (66), the air pump (61) is installed on the shell (11), the suction pipe (62) is installed on the air pump (61), the filter screen (63) is installed in the cavity of the shell (11) and communicates with the inside of the suction pipe (62), the gas conveying pipe (64) is installed on the air pump (61), the three groups of gas distribution pipes (65) are all installed in the cavity of the shell (11) and communicate with the inside of the gas conveying pipe (64), and the multiple groups of spray heads (66) are respectively installed on the three groups of gas distribution pipes (65).

Citation Information

Patent Citations

  • Dust fall type lime powder fine grinding device

    CN219051501U