Lime powder production device with high utilization rate

By combining a double-layer screen and a jetting assembly, the problems of screen clogging and impurity removal in lime powder production equipment are solved, achieving efficient lime powder production.

CN224101182UActive Publication Date: 2026-04-10JIANGMEN FENGQIANG ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing lime powder production equipment is prone to clogging during the filtration process and has difficulty effectively removing impurities from raw materials, affecting lime powder quality and production efficiency.

Method used

It adopts a double-layer screen structure, combined with a vibration component and a jet blowing component. The first screen is used for preliminary screening of large particles, and the second screen is used to filter impurities. The jet blowing component blows air onto the screen surface through nozzles to remove blockages, and the vibration component improves screening efficiency.

Benefits of technology

It effectively prevents screen clogging, improves the utilization rate and quality of lime powder, reduces maintenance frequency, and increases production efficiency.

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Abstract

The utility model discloses a lime powder production device with high utilization rate, which relates to the technical field of lime powder production and filtration, and comprises a screen box main body, a first screen is obliquely arranged in the screen box main body, and a first collecting box is fixedly arranged on one side of the screen box main body and is flush with the lower end of the first screen; a second screen is obliquely arranged in the screen box body and located below the first screen, the hole diameter of the second screen and the hole diameter of the first screen are uniform, and the hole diameter of the first screen is larger than that of the second screen. The blowing assembly is arranged, the nozzles are used for blowing air to the surfaces of the first screen mesh and the second screen mesh, after screening work is finished, part of raw materials or impurities blocked in the hole diameters of the first screen mesh and the second screen mesh are blown out, the first screen mesh and the second screen mesh are prevented from being blocked after the screening device is used for a long time, and the screening efficiency is improved. Therefore, the follow-up screening efficiency is affected, and meanwhile the maintenance frequency of workers is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lime powder production filtering technical field, specifically is high utilization rate lime powder production device. BACKGROUND

[0002] Lime powder is white powder material with calcium carbonate as main component, and is very widely used, and is most commonly used in building industry, that is, calcium carbonate for industry, and another kind is food-grade calcium carbonate, is widely used as a common calcium supplement, and common calcium supplement nutrition enhancer - calcium carbonate has two kinds, one is heavy calcium carbonate, that is, limestone is crushed to a certain fineness and is used as food additive.

[0003] The existing patent (authorization announcement number: CN219187124U) discloses high utilization rate lime powder production device lime powder production filter device, sets up a plurality of steel ropes on the installation roller, drives the forward and reverse motor to drive the rotating shaft to rotate, and the rotating shaft drives the steel rope on the installation roller to rotate, so that the steel rope beats the agglomerated lime powder, the agglomerated lime powder is crushed, then is collected after filtering through the screen, and because the lime powder agglomerated by water is hard, the steel rope cannot crush it, so it cannot pass through the screen, so that the purity of the lime powder is not affected, and the quality of the lime powder is improved.

[0004] But the above technical scheme still has certain defects, in the lime powder production process, raw materials often contain impurities, such as stone, metal particles, etc., these impurities will affect the quality and production efficiency of lime powder, and the above filter device only simply adopts single-layer screen structure, the filtering effect is poor, and is easy to block, and cleaning and maintenance are inconvenient, therefore, high utilization rate lime powder production device is proposed. Utility model content

[0005] The utility model aims at providing high utilization rate lime powder production device to solve the problems in the background art.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] High utilization rate lime powder production device, including sieve box main part, first screen is arranged in the sieve box main part, first collection box is fixedly installed at one side of the sieve box main part and the lower end of first screen is flush, second screen is arranged in the sieve box main part below first screen, the aperture of second screen and first screen is uniformly arranged, and the aperture of first screen is greater than the aperture of second screen, second collection box is fixedly installed at one side of the sieve box main part and the lower end of second screen is flush, the bottom of sieve box main part is equipped with vibration assembly, the top of first screen and second screen in the sieve box main part is equipped with injection assembly, the injection assembly includes two groups of gas collection boxes fixedly installed in the inner side wall of the sieve box main part, and one group of gas collection boxes is arranged at the top of the side wall of the sieve box main part, and the other group of gas collection boxes is arranged at the bottom of the side of first screen, a plurality of groups of air pipes are arranged on one side of the two groups of gas collection boxes, and a plurality of nozzles are arranged on each group of air pipes.

[0008] Based on the above technical scheme, the utility model further provides the following optional technical schemes:

[0009] In the high utilization rate lime powder production device optional scheme, the vibration assembly includes the bottom plate that is arranged in the sieve box main part below, the bottom plate upper surface four corners are fixedly connected with support column, four groups of support column top are all fixedly installed with connecting block, and the upper surface of each connecting block is fixedly connected with spring, and the end away from connecting block of each spring is fixedly connected with fixed block, and the side of four groups of fixed blocks is fixedly connected with the side wall of sieve box main part.

[0010] In the high utilization rate lime powder production device optional scheme, the bottom plate upper surface front and rear ends are fixedly installed with fixed seat, and the rotating shaft is horizontally arranged between two groups of fixed seats, one group of fixed seat one side is fixedly installed with the forward and reverse motor for driving rotating shaft rotation, and a plurality of equidistantly distributed cams are fixedly sleeved on the outer wall of the rotating shaft.

[0011] In the high utilization rate lime powder production device optional scheme, the sieve box main part bottom end and the directly above cam are fixedly installed with the collision plate.

[0012] In the high utilization rate lime powder production device optional scheme, the end away from the forward and reverse motor of the rotating shaft extends to the outside of the other group of fixed seats and is fixedly connected with the transmission gear, the transmission gear both sides are engaged with the one-way gear, and the one-way gear one side is fixedly connected with the rotating shaft, the rotating shaft other end is connected with the one side of the fixed seat through bearing, the edge of the one-way gear far away from the rotating shaft one side is fixedly connected with the movable column, the movable column outside is movably connected with the movable frame, and the piston assembly for supplying gas to the two groups of gas collection boxes is arranged below the movable frame.

[0013] In the high utilization rate lime powder production device optional scheme, the piston assembly includes a moving rod fixedly connected to the center of the bottom end of the movable frame, a piston plate fixedly connected to the bottom end of the moving rod, a sleeve movably sleeved outside the piston plate, an air inlet pipe fixedly connected to one side of the bottom end of the outer wall of the sleeve, an air outlet pipe fixedly connected to the other side of the bottom end of the outer wall of the sleeve, a corrugated pipe fixedly connected to the other end of the air outlet pipe, and the corrugated pipe extends through the inner cavity of the sieve box main body and is in communication with the gas collecting box.

[0014] In the high utilization rate lime powder production device optional scheme, one-way valves are installed in the air inlet pipe and the air outlet pipe.

[0015] In the high utilization rate lime powder production device optional scheme, a feed inlet is arranged on one side of the top end of the sieve box main body, an inclined guide plate is fixedly connected to the inner cavity of the sieve box main body below the second sieve screen, the lower end of the guide plate is fixedly connected to the bottom end of the inner cavity of the sieve box main body, and a discharge port is arranged at the corresponding position of the bottom end of the sieve box main body.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1、The utility model discloses a blow assembly is set up, utilizes the nozzle to the surface of first sieve screen and second sieve screen is blown, when the screening work is finished, the raw material or impurity that is blocked in the aperture of first sieve screen and second sieve screen is blown out, prevents the first sieve screen and second sieve screen from blocking after using time is too long, thereby the subsequent screening efficiency is affected, and the maintenance frequency of staff is also reduced.

[0018] 2、The utility model discloses a first sieve screen is set up to the raw material screening, some not being ground completely big granule raw material rolls along first sieve screen, until entering first collection box, can concentrate and collect these not being ground completely big granule raw material to utilize subsequent secondary grinding, further improves the utilization rate of lime powder, then under the screening of second sieve screen, the impurity of different particle sizes in the raw material is filtered out, these impurities roll along second sieve screen to the second collection box and are concentrated and collected, convenient for subsequent staff centralized processing, thereby the quality of lime powder is improved. DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the sieve box main body side cut -away solid drawing of the utility model;

[0021] Figure 3 It is the sieve box main body side cut -away plan of the utility model;

[0022] Figure 4The sleeve side sectional view of the utility model;

[0023] Figure 5 The partial structure schematic view of the blowing assembly of the utility model;

[0024] Figure 6 The utility model discloses a Figure 1 The enlarged view of A in the middle.

[0025] Mark annotation: 100, sieve box main part;200, vibration subassembly;300, blow assembly;

[0026] 110, feed inlet;120, discharge port;130, first screen;131, first collection box;140, second screen;141, second collection box;150, guide plate;

[0027] 210, bottom plate;220, support column;230, connecting block;240, spring;250, fixed block;260, fixed seat;270, rotating shaft;280, forward and reverse motor;290, cam;2910, collision plate;

[0028] 310, transmission tooth;320, one-way tooth;330, movable column;340, movable frame;350, moving rod;360, piston plate;370, sleeve;380, air inlet pipe;390, air outlet pipe;3910, bellows;3920, gas collecting box;3930, air pipe;3940, nozzle. Specific implementation

[0029] In order to make the utility model's purpose, technical scheme and advantage more clearly clear, following combining with the drawing and example, this utility model carries out further detailed explanation.

[0030] In one embodiment, as Figures 1-6The utility model discloses a high utilization rate lime powder production device, including sieve box main part 100, the first screen 130 is arranged in the sieve box main part 100 obliquely, the first collection box 131 is fixedly installed at sieve box main part 100 one side and with the first screen 130 lower end flush position, the second screen 140 is arranged in the sieve box main part 100 below the first screen 130 obliquely, the aperture of second screen 140 and the first screen 130 is evenly arranged, and the aperture of first screen 130 is greater than the aperture of second screen 140, the second collection box 141 is fixedly installed at sieve box main part 100 one side and with the second screen 140 lower end flush position, the bottom of sieve box main part 100 is equipped with vibration subassembly 200, the first screen 130 and the second screen 140 are arranged above in the sieve box main part 100 and are equipped with the blowing subassembly 300, the blowing subassembly 300 includes two sets of gas collecting box 3920 fixedly installed in the inboard wall of sieve box main part 100, and one set of gas collecting box 3920 is arranged at the top of the side wall of sieve box main part 100, and another set of gas collecting box 3920 is arranged at the bottom of the first screen 130 side, and a plurality of groups of equidistance distribution air pipe 3930 are arranged on one side of two sets of gas collecting box 3920, and a plurality of equidistance distribution nozzles 3940 are arranged on every group of air pipe 3930,

[0031] In the embodiment, after the lime powder raw material enters the sieve box main part 100, first, the preliminary screening of the first screen 130 is carried out, some big particle raw materials that are not completely ground roll along the first screen 130 and enter the first collection box 131, and these big particle raw materials that are not completely ground can be collected for subsequent secondary grinding, and then the impurities in the raw material are filtered out under the screening of the second screen 140, and the impurities roll along the second screen 140 to the second collection box 141 and are collected, so that the subsequent workers can conveniently process, thereby improving the quality of the lime powder, the screening efficiency of the device is improved by arranging the vibration subassembly 200, and the surface of the first screen 130 and the second screen 140 is blown by the nozzles 3940 of the blowing subassembly 300, so that the raw materials or impurities that are partially blocked in the aperture of the first screen 130 and the second screen 140 are blown out when the screening work is finished, the first screen 130 and the second screen 140 are prevented from being blocked after being used for a long time, so that the subsequent screening efficiency is affected, and the maintenance frequency of the workers is reduced.

[0032] In one embodiment, as Figure 1 、 Figure 3 and Figure 4As shown, the vibration assembly 200 comprises a bottom plate 210 arranged below the sieve box body 100, the upper surface of the bottom plate 210 is fixedly connected with support columns 220 at four corners, the top ends of the four groups of support columns 220 are fixedly installed with connecting blocks 230, the upper surfaces of each group of connecting blocks 230 are fixedly connected with springs 240, the ends of each group of springs 240 away from the connecting blocks 230 are fixedly connected with fixed blocks 250, one side of the four groups of fixed blocks 250 are fixedly connected with the side walls of the sieve box body 100, the front and rear ends of the upper surface of the bottom plate 210 are fixedly installed with fixed seats 260, a rotating shaft 270 is horizontally arranged between the two groups of fixed seats 260, one side of a group of fixed seats 260 is fixedly installed with a forward and reverse motor 280 for driving the rotating shaft 270 to rotate, a plurality of cams 290 are fixedly sleeved on the outer wall of the rotating shaft 270 at equal intervals, and a collision plate 2910 is fixedly installed at the bottom end of the sieve box body 100 and directly above the cams 290; when the lime powder raw materials enter the sieve box body 100 for screening, the forward rotation of the forward and reverse motor 280 is started, so as to drive the rotating shaft 270 to rotate, drive the cams 290 fixedly sleeved on the rotating shaft 270 to rotate, and the cams 290 will intermittently contact the collision plate 2910 and push upward during rotation, so as to drive the sieve box body 100 to intermittently vibrate up and down with the fixed blocks 250 and springs 240 on both sides, so that the first sieve net 130 and the second sieve net 140 in the sieve box body 100 vibrate up and down, thereby improving the screening efficiency of the device.

[0033] In one embodiment, as Figure 4 and Figure 5As shown, the rotating shaft 270 extends through the outer side of the other set of fixed seats 260 away from the end of the reversible motor 280 and is fixedly connected with a transmission gear 310, the transmission gear 310 is engaged with a one-way gear 320 on both sides, and the one-way gears 320 are fixedly connected with a rotating shaft on one side, and the other end of the rotating shaft is connected with the fixed seat 260 on one side through a bearing, and the edges away from the rotating shaft of the two sets of one-way gears 320 are fixedly connected with a movable column 330, the outer sides of the two sets of movable columns 330 are movably connected with a movable frame 340, and the lower sides of the two sets of movable frames 340 are provided with a piston assembly for supplying gas to the two sets of gas collecting boxes 3920; it is worth noting that when the reversible motor 280 is started to rotate forward, the transmission gear 310 rotates with it, but cannot drive the two sets of one-way gears 320 to rotate, when the screening operation is completed, the reversible motor 280 is started to rotate reversely, driving the rotating shaft 270 and the transmission gear 310 to rotate synchronously, thereby driving the two sets of one-way gears 320 to rotate together, at this time the movable column 330 starts to make a circular motion, driving the movable frame 340 to make up-down reciprocating motion, thereby driving the piston assembly to reciprocate, continuously providing gas for the gas collecting boxes 3920, so that the nozzles 3940 continuously aim at the surfaces of the first screen 130 and the second screen 140 to spray gas, and then cooperate with the vibration assembly 200 to blow out part of the raw materials or impurities blocked in the pore diameters of the first screen 130 and the second screen 140, preventing the first screen 130 and the second screen 140 from being blocked after being used for a long time, thereby affecting the subsequent screening efficiency, and also reducing the maintenance frequency of the workers.

[0034] In one embodiment, as shown in Figure 4 and Figure 5 As shown, the piston assembly comprises a moving rod 350 fixedly connected at the center of the bottom end of the movable frame 340, the bottom end of the moving rod 350 is fixedly connected with a piston plate 360, the outer side of the piston plate 360 movably sleeves with a sleeve 370, one side of the bottom end of the outer wall of the sleeve 370 is fixedly connected with an air inlet pipe 380, the other side of the bottom end of the outer wall of the sleeve 370 is fixedly connected with an air outlet pipe 390, the other end of the air outlet pipe 390 is fixedly connected with a corrugated pipe 3910, the other end of the corrugated pipe 3910 extends through the inner cavity of the screen box main body 100 and communicates with the gas collecting box 3920, and a one-way valve is installed in one end of the air inlet pipe 380 and the air outlet pipe 390; when the movable frame 340 drives the moving rod 350 to move upwards, thereby driving the piston plate 360 to move upwards in the sleeve 370, so that a negative pressure is generated in the sleeve 370, the gas enters the sleeve 370 through the air inlet pipe 380, and then when the moving rod 350 moves downwards, the piston plate 360 moves downwards in the sleeve 370, and the gas is extruded to enter the gas collecting box 3920 through the air outlet pipe 390 and the corrugated pipe 3910, and finally the gas is blown to the surfaces of the first screen 130 and the second screen 140 by the nozzles 3940.

[0035] In one embodiment, as shown inFigure 2 and Figure 3 As shown in the drawings, the top end of the screen box body 100 is provided with a feed inlet 110, the inner cavity of the screen box body 100 is fixedly connected with an inclined guide plate 150 below the second screen 140, the lower end of the guide plate 150 is fixedly connected with the inner cavity of the screen box body 100, and the bottom end of the screen box body 100 is provided with a discharge outlet 120 at the corresponding position; the lime powder raw material enters the screen box body 100 from the feed inlet 110, is screened by the first screen 130 and the second screen 140, and then falls to the guide plate 150 and slides along the guide plate 150 to be discharged from the discharge outlet 120 for centralized collection.

[0036] The above embodiment discloses a high utilization rate lime powder production device, wherein the lime powder raw material enters the screen box body 100 from the feed inlet 110, is screened by the first screen 130 and the second screen 140, and then is driven to rotate by the vibration assembly 200, the start of the forward and reverse motor 280 drives the rotation of the rotating shaft 270, the rotation of the cam 290 fixedly sleeved on the rotating shaft 270 drives the rotation of the cam 290, the cam 290 intermittently contacts the plate 2910 and pushes upward during rotation, thereby driving the screen box body 100 to intermittently vibrate up and down in cooperation with the fixed blocks 250 and springs 240 on both sides, so that the first screen 130 and the second screen 140 in the screen box body 100 vibrate up and down, thereby improving the screening efficiency of the device; then, when the screening work is completed, the movable frame 340 drives the moving rod 350 to move upward, thereby driving the piston plate 360 to move upward in the sleeve 370, so that a negative pressure is generated in the sleeve 370, the gas enters the sleeve 370 through the air inlet pipe 380, and then when the moving rod 350 moves downward, the piston plate 360 moves downward in the sleeve 370, and the gas is extruded to enter the gas collection box 3920 through the air outlet pipe 390 and the corrugated pipe 3910, and finally the nozzles 3940 are aligned on the surfaces of the first screen 130 and the second screen 140 to blow gas, thereby blowing out some blocked raw materials or impurities in the pore diameter of the first screen 130 and the second screen 140, preventing the first screen 130 and the second screen 140 from being blocked after a long time of use, thereby affecting the subsequent screening efficiency, and reducing the maintenance frequency of the workers.

[0037] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A high utilization rate lime powder production device comprising a sieve box main body (100), characterized in that, The first screen (130) is obliquely arranged in the screen box body (100), the first collection box (131) is fixedly installed at the side of the screen box body (100) and is flush with the lower end of the first screen (130), the second screen (140) is obliquely arranged below the first screen (130) in the screen box body (100), the aperture of the second screen (140) is uniformly arranged with the aperture of the first screen (130), the aperture of the first screen (130) is larger than the aperture of the second screen (140), the second collection box (141) is fixedly installed at the side of the screen box body (100) and is flush with the lower end of the second screen (140), the vibration assembly (200) is arranged at the bottom end of the screen box body (100), the blowing assembly (300) is arranged above the first screen (130) and the second screen (140) in the screen box body (100), the blowing assembly (300) comprises two groups of gas collecting boxes (3920) fixedly installed on the inner side wall of the screen box body (100), one group of gas collecting boxes (3920) is arranged at the top of the side wall of the screen box body (100), the other group of gas collecting boxes (3920) is arranged at the bottom end of the side of the first screen (130), a plurality of groups of air pipes (3930) are arranged on one side of the two groups of gas collecting boxes (3920) at equal intervals, and a plurality of nozzles (3940) are arranged on each group of air pipes (3930) at equal intervals.

2. The high-utilization lime powder production device according to claim 1, characterized by, The vibration assembly (200) comprises a bottom plate (210) arranged below the screen box body (100), support columns (220) are fixedly connected to the upper surface of the bottom plate (210) at four corners, connecting blocks (230) are fixedly installed at the top ends of the four groups of support columns (220), springs (240) are fixedly connected to the upper surfaces of each group of connecting blocks (230), fixed blocks (250) are fixedly connected to the ends of each group of springs (240) away from the connecting blocks (230), and the four groups of fixed blocks (250) are fixedly connected to the side walls of the screen box body (100) on one side.

3. The high-utilization lime dust production device according to claim 2, characterized by, Fixed seats (260) are fixedly installed on the front and rear ends of the upper surface of the bottom plate (210), a rotating shaft (270) is transversely arranged between the two groups of fixed seats (260), a reversible motor (280) for driving the rotating shaft (270) to rotate is fixedly installed on one side of one group of fixed seats (260), and a plurality of cam (290) are fixedly sleeved on the outer wall of the rotating shaft (270) at equal intervals.

4. The high-utilization lime dust production device according to claim 3, characterized by, A collision plate (2910) is fixedly installed at the bottom end of the screen box body (100) and directly above the cam (290).

5. The high-utilization lime dust production device according to claim 3, characterized by, The rotating shaft (270) extends through the outer side of the other set of fixed seats (260) from the end away from the forward and reverse motor (280) and is fixedly connected with a transmission tooth (310), the transmission tooth (310) is engaged with a unidirectional tooth (320) on both sides, and the two sets of unidirectional teeth (320) are fixedly connected with a rotating shaft on one side, the rotating shaft is connected with the side of the fixed seat (260) through a bearing on the other end, and the two sets of unidirectional teeth (320) are fixedly connected with a movable column (330) away from the edge on one side, the outer side of the two sets of movable columns (330) is movably connected with a movable frame (340), and the lower side of the two sets of movable frames (340) is provided with a piston assembly for supplying gas to the two sets of gas collecting boxes (3920).

6. The high-utilization lime dust production device according to claim 5, characterized by The piston assembly includes a moving rod (350) fixedly connected to the center of the bottom end of the movable frame (340), the bottom end of the moving rod (350) is fixedly connected with a piston plate (360), the outer side of the piston plate (360) is movably sleeved with a sleeve (370), one side of the bottom end of the outer wall of the sleeve (370) is fixedly connected with an air inlet pipe (380), the other side of the bottom end of the outer wall of the sleeve (370) is fixedly connected with an air outlet pipe (390), the other end of the air outlet pipe (390) is fixedly connected with a corrugated pipe (3910), and the other end of the corrugated pipe (3910) extends through the inner cavity of the sieve box body (100) and is connected with the gas collecting box (3920).

7. The high-utilization lime dust production device according to claim 6, characterized by The one end of the air inlet pipe (380) and the air outlet pipe (390) is provided with a one-way valve.

8. The high-utilization lime dust production device according to claim 1, characterized by, The top end of the sieve box body (100) is provided with a feed inlet (110), the inner cavity of the sieve box body (100) is fixedly connected with an inclined guide plate (150) below the second screen (140), the lower end of the guide plate (150) is fixedly connected with the inner cavity of the sieve box body (100), and the bottom end of the sieve box body (100) is provided with a discharge port (120) at the corresponding position.

Citation Information

Patent Citations

  • Filtering device for lime powder production

    CN219187124U