Light calcium carbonate drying device, drying method and light calcium carbonate

Abstract

The application discloses a light calcium carbonate drying device, which comprises a drying box, a feeding mechanism located at the top of the drying box, an ejection mechanism located in the inner cavity of the drying box, the feeding mechanism being connected with the ejection mechanism, a conveying belt installed in the inner cavity of the drying box and opposite to the ejection mechanism, and a receiving plate fixed in the inner cavity of the drying box and opposite to the ejection mechanism, the receiving plate being located inside the conveying belt and being attached to the inner side of the conveying belt. The ejection mechanism is arranged, the formed light calcium carbonate is ejected onto the conveying belt and the receiving plate through the ejection mechanism, due to the great impact force, the moisture in the light calcium carbonate is squeezed out and absorbed by the conveying belt, so that the purpose of dehydration and drying is achieved. The simple structure and the low energy consumption treatment method can remove most of the moisture in the light calcium carbonate, and the dehydration and drying effect is good.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of light calcium carbonate processing, and particularly relates to a light calcium carbonate drying device, a drying method and light calcium carbonate. BACKGROUND

[0002] Light calcium carbonate, also known as precipitated calcium carbonate, is obtained by calcining limestone and the like to generate lime (mainly composed of calcium oxide) and carbon dioxide, then adding water to digest the lime to generate lime milk (mainly composed of calcium hydroxide), and then carbonating the lime milk by carbon dioxide to generate calcium carbonate precipitate. The calcium carbonate precipitate has a high water content, and therefore needs to be dehydrated and dried to obtain light calcium carbonate.

[0003] Existing devices for dehydrating and drying light calcium carbonate generally adopt a hot steam or hot air circulation mode. For example, the device described in application No. CN201810291139.4 circulates hot air in the hot air box to the drying box to make the drying box full of hot air, and at the same time, the air outlet is opened to make the hot air circulate between the hot air box and the drying box, thereby achieving the effect of dehydration and drying. The device described in application No. CN202120006536.X utilizes the heat generated by the steam heat exchanger to achieve the effect of dehydration and drying. SUMMARY

[0004] In view of the problems in the prior art, the application provides the following technical scheme.

[0005] The light calcium carbonate drying device comprises:

[0006] a drying box;

[0007] a feeding mechanism located at the top of the drying box;

[0008] a shooting mechanism located in the inner cavity of the drying box, the feeding mechanism being connected to the shooting mechanism, the shooting mechanism comprising a shooting box fixed to the inner cavity wall of the drying box, an activity cavity being formed in the shooting box, a fixed ring one and a fixed ring two being respectively fixed to the inner wall of the activity cavity by a plurality of fixing members, a shooting rod being sleeved in the fixed ring one and the fixed ring two, a shooting plate being arranged at one end of the shooting rod, a feeding port being formed in the shooting box corresponding to the position of the shooting plate, an elastic member being sleeved around the shooting rod between the shooting plate and the fixed ring one, a limiting plate one and a limiting plate two being respectively arranged on the right side of the fixed ring one and the fixed ring two on the shooting rod, a straight tooth being arranged on the shooting rod between the fixed ring one and the fixed ring two, a driving member two being installed in the activity cavity, an incomplete gear being connected to the output end of the driving member two, the incomplete gear being matched with the straight tooth;

[0009] A conveying belt is installed in the inner cavity of the drying box and opposite to the ejection mechanism;

[0010] A material receiving plate is fixed in the inner cavity of the drying box and opposite to the ejection mechanism, and is located inside the conveying belt and adheres to the inner side of the conveying belt.

[0011] As a preferred embodiment of the above technical solution, the feeding mechanism comprises a storage box installed on the top of the drying box, a feeding hopper is arranged on the top of the storage box, a plurality of second retractable members are uniformly arranged on the inner wall of the storage box, an extrusion plate is installed at the output end of the second retractable members, the extrusion plate completely and tightly adheres to the inner wall of the storage box, a first retractable member is installed on the top of the drying box, the first retractable member is perpendicular to the second retractable members, a push plate is installed at the output end of the first retractable member, the push plate is clamped on one side of the drying box, a discharge port is arranged on the drying box corresponding to the relative position of the push plate, a guide pipe is installed at the discharge port, and the guide pipe penetrates into the drying box and is connected with the feeding port.

[0012] As a preferred embodiment of the above technical solution, a driving member is installed on one side of the storage box, a cutter is installed at the output end of the driving member, and the cutter can completely block the discharge port.

[0013] As a preferred embodiment of the above technical solution, a plurality of leakage holes are uniformly arranged on the storage box corresponding to the relative position of the extrusion plate.

[0014] As a preferred embodiment of the above technical solution, a vibrating mechanism is installed inside the drying box corresponding to the inner side of the conveying belt, the vibrating mechanism adheres to the inner side of the conveying belt, and a part of the conveying belt corresponding to the vibrating mechanism protrudes.

[0015] As a preferred embodiment of the above technical solution, an upper guide plate is arranged in the inner cavity of the drying box and is inclined to the right, the upper guide plate is located below the conveying belt and has a certain distance from the conveying belt, and an upper discharge port is arranged on the side wall of the drying box corresponding to the end of the upper guide plate.

[0016] As a preferred embodiment of the above technical solution, a lower guide plate is arranged in the drying box below the upper guide plate and is inclined to the right, a scraper is arranged on the lower guide plate corresponding to the extension line below the vertical center line of the conveying belt, the scraper adheres to the surface of the conveying belt, and a lower discharge port is arranged on the side wall of the drying box corresponding to the end of the lower guide plate.

[0017] As a preferred embodiment of the above technical solution, a heating plate is installed on the left side wall of the inner cavity of the drying box and is parallel to the conveying belt.

[0018] A method for drying light calcium carbonate, comprising the following steps:

[0019] S1: before starting drying, the driving part one is started to make the cutter stop at the discharge port, then the moisture-containing light calcium carbonate is poured into the storage box through the feeding hopper, then the telescopic part two is started to make the extrusion plate extrude the light calcium carbonate, so that the light calcium carbonate is dehydrated, and the water discharged is discharged through the leakage hole; when the light calcium carbonate is extruded and shaped, the telescopic part two is closed;

[0020] S2: then the driving part one is started to realize forward and reverse rotation, the cutter is intermittently swung, and the telescopic part one is started to make the push plate push the shaped light calcium carbonate; when the cutter leaves the discharge port, the shaped strip-shaped light calcium carbonate is discharged from the discharge port; when the cutter slowly approaches the discharge port, the light calcium carbonate outside the storage box is slowly cut down, and the cut light calcium carbonate enters the feeding port through the guide pipe;

[0021] S3: before the cut light calcium carbonate is located at the feeding port, the driving part two is started, so that the incomplete gear rotates clockwise, and when the incomplete gear rotates to the position of the straight tooth, the straight tooth is driven to move backward, and the elastic part is compressed, so that the ejection rod and the ejection plate move backward; at this time, the cut light calcium carbonate is located at the feeding port and located at the rear side of the original position of the ejection plate; when the incomplete gear is separated from the straight tooth, the ejection rod and the ejection plate quickly return to the original position due to the resilience of the elastic part, so that the light calcium carbonate at the feeding port is ejected, the ejected light calcium carbonate is blocked by the receiving plate and located on the conveying belt; due to the large impact force, the water in the light calcium carbonate is extruded and absorbed by the conveying belt, and the dehydrated light calcium carbonate falls on the upper guide plate and is discharged through the upper discharge port.

[0022] The beneficial effects of the present application are:

[0023] 1. The present application is provided with a ejection mechanism, which can eject the shaped light calcium carbonate to the conveying belt and the receiving plate; due to the large impact force, the water in the light calcium carbonate is extruded and absorbed by the conveying belt, so that the purpose of dehydration and drying is achieved; this processing method can remove most of the water in the light calcium carbonate, and the dehydration and drying effect is good.

[0024] 2. The present application is provided with a feeding mechanism, which can preliminarily dehydrate the water-containing light calcium carbonate, so as to improve the dehydration effect of the light calcium carbonate in cooperation with the ejection mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic view of the present application;

[0026] Figure 2 It is a structure schematic view of the feeding mechanism;

[0027] Figure 3 It is a structure schematic view of the feeding mechanism.

[0028] Figure 4 is a schematic view of the external structure of the ejection mechanism;

[0029] Figure 5 is a schematic view of the internal structure of the ejection mechanism.

[0030] in the figure:

[0031] 1, drying box; 11, upper material guide plate; 12, upper discharge port; 13, lower material guide plate; 14, lower discharge port; 2, feeding mechanism; 21, storage box; 211, leakage hole; 212, discharge port; 22, feeding hopper; 23, first telescopic part; 231, push plate; 24, first driving part; 241, cutter; 25, material guide pipe; 26, second telescopic part; 261, extrusion plate; 3, ejection mechanism; 31, ejection box; 311, feeding port; 312, movable cavity; 32, fixing part; 33, first fixing ring; 34, second fixing ring; 35, ejection rod; 351, straight teeth; 352, first limiting plate; 353, second limiting plate; 36, elastic part; 37, ejection plate; 38, second driving part; 39, incomplete gear; 4, conveying belt; 5, material receiving plate; 6, vibrating mechanism; 7, heating plate; 8, scraper. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the present application will be described clearly and completely below in conjunction with the embodiments.

[0033] EMBODIMENT

[0034] As shown in the figure; Figures 1-5

[0035] ​The utility model provides a light calcium carbonate drying device, including drying box 1, the top of drying box 1 is equipped with feeding mechanism 2, the inner chamber of drying box 1 is equipped with ejection mechanism 3, feeding mechanism 2 is connected with ejection mechanism 3, ejection mechanism 3 includes ejection box 31, ejection box 31 is fixed on the inner chamber wall of drying box 1, the movable cavity 312 is opened in ejection box 31, the movable cavity 312 inner wall is fixed with fixed ring no. 1 33 and fixed ring no. 2 34 respectively through a plurality of fixed parts 32, the fixed ring no. 1 33 and fixed ring no. 2 34 are internally sleeved with ejection rod 35, and the one end of ejection rod 35 is equipped with ejection plate 37, the position of ejection box 31 corresponding ejection plate 37 is equipped with feeding port 311, and feeding mechanism 2 is connected with ejection mechanism 3 through feeding port 311, the elastic element 36 is sleeved with the periphery of ejection rod 35 between ejection plate 37 and fixed ring no. 1 33, the elastic element 36 can be spring, the right side of ejection rod 35 is equipped with limit plate no. 1 352 and limit plate no. 2 353 respectively corresponding fixed ring no. 1 33 and fixed ring no. 2 34, and the position between fixed ring no. 1 33 and fixed ring no. 2 34 on ejection rod 35 is equipped with straight tooth 351, and the movable cavity 312 is installed with drive part no. 2 38, and the drive part no. 2 38 can be motor, and the output end of drive part no. 2 38 is connected with incomplete gear 39, and incomplete gear 39 is matched with straight tooth 351;Drying box 1 inner chamber is installed with conveying belt 4 longitudinally, and conveying belt 4 is connected with external drive mechanism, and conveying belt 4 is opposite feeding port 311 on ejection mechanism 3, wherein the surface of conveying belt 4 is equipped with water absorption material, for example, cotton cloth, so that when light calcium carbonate is ejected on conveying belt 4, due to the greater impact force, the moisture in the light calcium carbonate is extruded and absorbed by conveying belt 4, so as to achieve the purpose of dehydration and drying, in addition, the inside of conveying belt 4 is equipped with receiving plate 5 in drying box 1, wherein the inside of conveying belt 4 is attached to receiving plate 5, so that when light calcium carbonate is ejected on conveying belt 4, due to the block of receiving plate 5, light calcium carbonate will be subjected to greater impact force, so as to be extruded and dehydrated, and conveying belt 4 can also be effectively prevented from being damaged;

[0036] When in use, drive part no. 2 38 is started before light calcium carbonate enters feeding port 311, so that incomplete gear 39 rotates clockwise, when incomplete gear 39 rotates to the position of straight tooth 351, straight tooth 351 is moved backward, and elastic element 36 is compressed, so that ejection rod 35 and ejection plate 37 move backward, at this time, light calcium carbonate is just located at feeding port 311, and is located at the back of the original position of ejection plate 37, when incomplete gear 39 is separated from straight tooth 351, due to the rebounding ability of elastic element 36, ejection rod 35 and ejection plate 37 quickly return to the original position, so as to eject light calcium carbonate at feeding port 311, the ejected light calcium carbonate is blocked by receiving plate 5 and is located on conveying belt 4, due to the greater impact force, the moisture in light calcium carbonate is extruded and absorbed by conveying belt 4;

[0037] Further, the feeding mechanism 2 comprises a storage tank 21 installed on the top of the drying box 1, the top of the storage tank 21 is provided with a feeding hopper 22, the water-containing light calcium carbonate is added into the storage tank 21 through the feeding hopper 22, the inner wall of the storage tank 21 is uniformly provided with an extension piece two 26, the extension piece two 26 can be an electric telescopic rod, the output end of the extension piece two 26 is installed with a pressing plate 261, the pressing plate 261 is completely and tightly attached to the inner wall of the storage tank 21, the pressing plate 261 is pressed against the water-containing light calcium carbonate by starting the extension piece two 26, so that the light calcium carbonate is dehydrated, the light calcium carbonate after being pressed has certain viscosity, so that the processing of the ejection mechanism 3 is facilitated, the top of the drying box 1 is installed with an extension piece one 23, the extension piece one 23 can be an electric telescopic rod, the extension piece one 23 is perpendicular to the extension piece two 26, the output end of the extension piece one 23 is installed with a push plate 231, the push plate 231 is clamped on one side of the drying box 1, so that the light calcium carbonate in the inside can be prevented from leaking out of the storage tank 21, the push plate 231 corresponds to a discharge port 212 provided on the drying box 1, a guide pipe 25 is installed at the discharge port 212, the guide pipe 25 penetrates into the drying box 1 and is connected with the feeding port 311, the light calcium carbonate pressed into blocks is pushed out of the discharge port 212 by starting the extension piece one 23, and then is guided to the feeding port 311 through the guide pipe 25;

[0038] Further, a driving part one 24 is installed on one side of the storage tank 21, the driving part one 24 can be a motor, a cutter 241 is installed at the output end of the driving part one 24, the cutter 241 can completely block the discharge port 212, the cutter 241 can effectively prevent the light calcium carbonate from leaking out of the storage tank 21, and can intermittently cut the light calcium carbonate pressed into blocks into several pieces, so that the light calcium carbonate in small pieces is facilitated to be ejected out by the ejection mechanism 3;

[0039] Further, a plurality of leakage holes 211 are uniformly provided on the storage tank 21 corresponding to the relative position of the pressing plate 261, when the water-containing light calcium carbonate is pressed, the water pressed out is discharged through the leakage holes 211, so that the water-containing light calcium carbonate can be dehydrated and dried;

[0040] Further, a vibration mechanism 6 is installed inside the conveying belt 4 in the drying box 1, the vibration mechanism 6 can be a vibration motor, which is composed of a vibration motor and a cylindrical shell sleeved outside the vibration motor, wherein the cylindrical shell is attached to the inner side of the conveying belt 4, and the part of the conveying belt 4 corresponding to the position of the cylindrical shell protrudes, so that if the light calcium carbonate is still attached to the conveying belt 4, the light calcium carbonate can be lifted up by the protruding part of the conveying belt 4, so that the light calcium carbonate is facilitated to fall down, and the vibration of the vibration mechanism 6 can also make the light calcium carbonate fall down, so that the conveying belt 4 can be continuously used;

[0041] Furthermore, the inner cavity of the drying chamber 1 is inclined to the right and an upper guide plate 11 is provided. The upper guide plate 11 is located below the conveyor belt 4 and there is a certain distance between it and the conveyor belt 4. This distance facilitates the passage of residues remaining on the conveyor belt 4. The upper guide plate 11 is provided with an upper discharge port 12 on the side wall of the drying chamber 1 at its end. The dehydrated and dried light calcium carbonate falls onto the upper guide plate 11 and is discharged through the upper discharge port 12.

[0042] Furthermore, a lower guide plate 13 inclined to the right is provided below the upper guide plate 11 inside the drying chamber 1. A scraper 8 is provided on the lower guide plate 13 along the extension line below the vertical center line of the conveyor belt 4. The scraper 8 is in contact with the surface of the conveyor belt 4 and can scrape off the light calcium carbonate residue and moisture remaining on the surface of the conveyor belt 4, thereby ensuring that the conveyor belt 4 can be used continuously. A lower discharge port 14 is provided at the end of the lower guide plate 13 corresponding to the side wall of the drying chamber 1. The scraped residue and moisture are discharged through the lower guide plate 13 and the lower discharge port 14.

[0043] Furthermore, a heating plate 7 is installed on the left side wall of the inner cavity of the drying chamber 1. The heating plate 7 is parallel to the conveyor belt 4. The heating plate 7 is connected to external equipment so that the heating plate 7 can be heated to generate heat, thereby drying the surface of the conveyor belt 4, so that the conveyor belt 4 can be used continuously. At the same time, the heat generated can dry the light calcium carbonate inside the drying chamber 1.

[0044] The drying method for light calcium carbonate includes the following steps:

[0045] S1: Before starting drying, start the drive unit 24 to block the cutter 241 at the discharge port 212, then pour the light calcium carbonate containing moisture into the storage box 21 through the feed hopper 22. Next, start the telescopic component 26 to squeeze the extrusion plate 261 to squeeze the light calcium carbonate, thereby dehydrating the light calcium carbonate. The dehydrated water is discharged through the drain hole 211. After the light calcium carbonate is squeezed and shaped, close the telescopic component 26.

[0046] S2: Next, start the drive unit 24 to achieve forward and reverse rotation, causing the cutter 241 to swing intermittently. At the same time, start the telescopic unit 23 to push the push plate 231 to push the formed light calcium carbonate at a constant speed. When the cutter 241 leaves the discharge port 212, the formed strip of light calcium carbonate is discharged from the discharge port 212. When the cutter 241 slowly approaches the discharge port 212, it will slowly cut off the light calcium carbonate located outside the storage box 21. The cut light calcium carbonate enters the feed port 311 through the guide pipe 25.

[0047] S3: before the cut-off light calcium carbonate is located at the feeding port 311, the driving member 38 is started, so that the incomplete gear 39 rotates clockwise, when the incomplete gear 39 rotates to the position of the straight tooth 351, the straight tooth 351 is moved backward, at the same time, the elastic member 36 is compressed, so that the ejection rod 35 and the ejection plate 37 are moved backward, at this time, the cut-off light calcium carbonate is just located at the feeding port 311, and is located at the rear side of the original position of the ejection plate 37, when the incomplete gear 39 is separated from the straight tooth 351, due to the rebounding ability of the elastic member 36, the ejection rod 35 and the ejection plate 37 quickly return to the original position, so that the light calcium carbonate located at the feeding port 311 is ejected, the ejected light calcium carbonate is blocked by the receiving plate 5 and is located on the conveying belt 4, due to the large impact force, the water in the light calcium carbonate is squeezed out and is absorbed by the conveying belt 4, the dehydrated light calcium carbonate falls on the upper guide plate 11 and is discharged through the upper discharging port 12.

[0048] The above examples are only used to illustrate the technical solutions of the present application, rather than limit it.

Claims

1. A light calcium carbonate drying apparatus, characterized in that, include: Drying oven (1); Feeding mechanism (2), which is located at the top of drying chamber (1); The ejection mechanism (3) is located inside the drying chamber (1). The feeding mechanism (2) is connected to the ejection mechanism (3). The ejection mechanism (3) includes an ejection box (31). The ejection box (31) is fixed on the inner wall of the drying chamber (1). The ejection box (31) has a movable cavity (312). The inner wall of the movable cavity (312) is fixed with a fixing ring one (33) and a fixing ring two (34) by a number of fixing parts (32). An ejection rod (35) is sleeved inside the fixing ring one (33) and the fixing ring two (34). One end of the ejection rod (35) is provided with an ejection plate (37). The ejection box (31) corresponds to the ejection plate (37). A feed inlet (311) is provided at the position of the ejector plate (37) and the fixing ring (33). An elastic element (36) is sleeved around the ejector rod (35) between the ejector plate (37) and the fixing ring (33). A limiting plate (352) and a limiting plate (353) are respectively provided on the right side of the fixing ring (33) and the fixing ring (34). A straight tooth (351) is provided on the ejector rod (35) at the position between the fixing ring (33) and the fixing ring (34). A driving component (38) is installed in the movable cavity (312). An incomplete gear (39) is connected to the output end of the driving component (38). The incomplete gear (39) is matched with the straight tooth (351). Conveyor belt (4), which is installed inside the drying chamber (1) and opposite to the ejection mechanism (3); The receiving plate (5) is fixed in the inner cavity of the drying oven (1) and is opposite to the ejection mechanism (3). The receiving plate (5) is located inside the conveyor belt (4) and is in contact with the inner side of the conveyor belt (4). The feeding mechanism (2) includes a storage box (21), which is installed on the top of the drying chamber (1). The top of the storage box (21) is provided with a feeding hopper (22). The inner wall of the storage box (21) is evenly provided with telescopic components two (26). The output end of the telescopic component two (26) is equipped with an extrusion plate (261). The extrusion plate (261) is completely and tightly fitted with the inner wall of the storage box (21). The top of the drying chamber (1) is equipped with a telescopic component one (23). The first telescopic component (23) is perpendicular to the second telescopic component (26). The output end of the first telescopic component (23) is equipped with a push plate (231). The push plate (231) is engaged on one side of the drying box (1). The push plate (231) is positioned opposite to the discharge port (212) on the drying box (1). A guide pipe (25) is installed at the discharge port (212). The guide pipe (25) extends through into the drying box (1) and is connected to the inlet (311). A drive unit (24) is installed on one side of the storage box (21), and a cutter (241) is installed at the output end of the drive unit (24). The cutter (241) can completely fit and block the discharge port (212). The extrusion plate (261) is positioned opposite to the storage box (21) and has evenly distributed leakage holes (211).

2. The light calcium carbonate drying apparatus according to claim 1, characterized in that: A vibration mechanism (6) is installed inside the drying box (1) on the inner side of the conveyor belt (4). The vibration mechanism (6) is in contact with the inner side of the conveyor belt (4), and the portion of the conveyor belt (4) at the position corresponding to the vibration mechanism (6) protrudes.

3. The light calcium carbonate drying apparatus according to claim 1, characterized in that: The drying chamber (1) is inclined to the right and has an upper guide plate (11). The upper guide plate (11) is located below the conveyor belt (4) and there is a certain distance between the upper guide plate (11) and the conveyor belt (4). The upper discharge port (12) is opened at the end of the upper guide plate (1) on the side wall of the drying chamber (1).

4. The light calcium carbonate drying apparatus according to claim 3, characterized in that: Below the upper guide plate (11), there is a lower guide plate (13) that tilts to the right inside the drying box (1). The extension line below the vertical center line of the conveyor belt (4) is provided with a scraper (8) on the lower guide plate (13). The scraper (8) is in contact with the surface of the conveyor belt (4). The lower guide plate (13) has a lower discharge port (14) at its end corresponding to the side wall of the drying box (1).

5. The light calcium carbonate drying apparatus according to claim 1, characterized in that: A heating plate (7) is installed on the left side wall of the inner cavity of the drying oven (1), and the heating plate (7) is parallel to the conveyor belt (4).

6. A method for drying light calcium carbonate, comprising the light calcium carbonate drying apparatus according to any one of claims 1-5, characterized in that, Includes the following steps: S1: Before starting drying, start drive component one (24) to block the cutter (241) at the discharge port (212), then pour the light calcium carbonate containing moisture into the storage box (21) through the feed hopper (22), then start telescopic component two (26) to squeeze the light calcium carbonate with the extrusion plate (261) to dehydrate the light calcium carbonate. The dehydrated water is discharged through the drain hole (211). After the light calcium carbonate is squeezed and shaped, close telescopic component two (26). S2: Then start the drive unit (24) to achieve forward and reverse rotation, so that the cutter (241) swings intermittently. At the same time, start the telescopic unit (23) to push the push plate (231) to push the formed light calcium carbonate at a constant speed. When the cutter (241) leaves the discharge port (212), the formed strip light calcium carbonate is discharged from the discharge port (212). When the cutter (241) slowly approaches the discharge port (212), it will slowly cut off the light calcium carbonate located outside the storage box (21). The cut light calcium carbonate enters the feed port (311) through the guide pipe (25). S3: Before the cut-off light calcium carbonate is located at the feed inlet (311), the drive unit two (38) is activated, causing the incomplete gear (39) to rotate clockwise. When the incomplete gear (39) rotates to the position of the spur tooth (351), it will drive the spur tooth (351) to move backward. At the same time, the elastic element (36) is compressed, causing the ejector rod (35) and ejector plate (37) to move backward. At this time, the cut-off light calcium carbonate is located at the feed inlet (311) and behind the original position of the ejector plate (37). When the incomplete gear... (39) When separated from the straight tooth (351), the elastic element (36) causes the ejector rod (35) and ejector plate (37) to quickly return to their original positions, thereby ejecting the light calcium carbonate located at the feed port (311). The ejected light calcium carbonate is blocked by the receiving plate (5) and located on the conveyor belt (4). Due to the large impact force, the water inside the light calcium carbonate is squeezed out and absorbed by the conveyor belt (4). The dehydrated light calcium carbonate will fall onto the upper guide plate (11) and be discharged through the upper discharge port (12).

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