A method and system for feeding a gypsum board accelerator powder

Abstract

The application discloses a gypsum board coagulant powder feeding method and system, and the feeding method is as follows: a scraper is arranged in a storage bin, a belt conveyor is arranged below the storage bin to send the material to a mixer, a storage bin storage port is arranged with an intermediate bin, the intermediate bin is arranged close to the surface of the belt conveyor to limit the material in the intermediate bin from being discharged when the belt conveyor is not in action, a material level point is arranged in the intermediate bin, a blocking spiral material level meter is arranged at the material level point to detect the relationship between the actual material level of the intermediate bin and the material level point; when the material level is lower than the material level point, the scraper is in action to supplement the material in the intermediate bin; when the material level is higher than the material level point, the scraper stops action, and the storage bin stops discharging; the transmission rate of the belt conveyor is adjusted by an upper computer to adjust the feeding amount of the mixer; and a feeding system is correspondingly arranged. The material level meter arranged on the intermediate bin is used to monitor the material condition, so that the discharging is automatically and rapidly and conveniently, manual supervision and control are not needed, and the manual work is simplified.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gypsum board production equipment, and particularly relates to a gypsum board coagulant powder feeding method and system. BACKGROUND

[0002] In the gypsum board production process, the coagulant plays an extremely important role. In the production of gypsum board, the coagulant is added to accelerate the setting of the gypsum board slurry, prevent board soft scrap, board soft shutdown and other faults, and improve the production efficiency.

[0003] At present, the coagulant is usually directly placed into the mixer from the storage bin. The pneumatic valve is arranged at the discharge port of the storage bin, and the material is directly transferred by opening the pneumatic valve. This design method has the characteristics of simplicity, high efficiency and sensitive response, but still has the following disadvantages:

[0004] 1. The opening and closing of the pneumatic valve need to be manually controlled, which is not convenient and labor-saving;

[0005] 2. The material is not transferred stably and gently to the mixer by the pneumatic valve or hinge dragon, which is easy to spray dust and block the discharge port. SUMMARY

[0006] The purpose of the present application is to provide a gypsum board coagulant powder feeding method and system to solve the technical problem of low efficiency in the prior art due to the traditional pneumatic valve feeding method.

[0007] To solve the above technical problems, the present application specifically provides the following technical scheme:

[0008] A gypsum board coagulant powder feeding method, comprising:

[0009] A scraper is arranged in the storage bin, and the scraper is actuated to discharge the storage bin. A belt conveyor is arranged below the storage bin to convey the material to the mixer;

[0010] An intermediate bin is arranged at the discharge port of the storage bin, and the discharge port of the intermediate bin is arranged close to the surface of the belt conveyor to limit the discharge of the material in the intermediate bin when the belt conveyor is not actuated. The transmission rate of the belt conveyor is positively correlated with the discharge rate of the powder in the intermediate bin;

[0011] A material level point for adjusting the discharge of the storage bin is arranged in the intermediate bin, and a non-rotation material level meter is arranged at the material level point to detect the relationship between the actual material level and the material level point of the intermediate bin;

[0012] When the actual material level is lower than the material level point, the scraper is actuated by the upper computer to discharge the storage bin to supplement the material in the intermediate bin;

[0013] When the actual material level is higher than the material level point, the host computer controls the scraper to stop working, and the storage bin stops discharging;

[0014] The host computer adjusts the transmission rate of the belt conveyor to adjust the feeding amount of the mixer.

[0015] As a preferred scheme of the present application, the material level point comprises an upper material level point and a lower material level point, the upper material level point is located above the lower material level point, and the resistance-rotation type material level meter is arranged at each of the upper material level point and the lower material level point;

[0016] When the actual material level is lower than the upper material level point, the host computer controls the scraper to work, and the storage bin discharges to replenish the intermediate bin;

[0017] When the actual material level is lower than the lower material level point, the host computer controls the scraper to work, and the storage bin discharges to replenish the intermediate bin.

[0018] As a preferred scheme of the present application, further comprising: when the mixer reaches a preset discharging amount, a signal is transmitted to the host computer and the belt conveyor stops working.

[0019] As a preferred scheme of the present application, further comprising: when the discharging rate of the intermediate bin is greater than the discharging rate of the storage bin, and when the actual material level is lower than the lower material level point, the host computer controls the scraper to increase the discharging amount of the storage bin;

[0020] When the discharging rate of the intermediate bin is less than the discharging rate of the storage bin, and when the actual material level crosses the upper material level point for multiple times within a preset time, the host computer does not control the scraper to work until the actual material level is lower than the lower material level point, and then the host computer controls the scraper to work, and the storage bin discharges to replenish the intermediate bin.

[0021] A gypsum board accelerator powder feeding system, characterized by comprising:

[0022] A storage bin for storing accelerator powder, and a scraper arranged in the storage bin, wherein the scraper is used for discharging;

[0023] A belt conveyor arranged at the bottom of a discharging port of the storage bin, wherein the belt conveyor is used for receiving the accelerator powder discharged from the storage bin and transmitting the accelerator powder to a mixer;

[0024] An intermediate bin connected to the discharging port of the storage bin, wherein the discharging port of the intermediate bin is arranged close to the surface of the belt conveyor, so as to limit the discharging of the powder in the intermediate bin when the belt conveyor does not work, and the transmission rate of the belt conveyor is positively correlated with the discharging rate of the powder in the intermediate bin;

[0025] A rotation blocking type material level meter is arranged in the intermediate bin to detect the relationship between the actual material level in the intermediate bin and the material level point corresponding to the rotation blocking type material level meter;

[0026] A host computer is connected to the material scraper and the rotation blocking type material level meter, and the host computer controls the operation of the material scraper according to the actual material level detected by the rotation blocking type material level meter. When the actual material level is higher than the rotation blocking type material level meter, the material scraper is stopped. When the actual material level is lower than the rotation blocking type material level meter, the material scraper is started.

[0027] As a preferred embodiment of the present application, two rotation blocking type material level meters are arranged in the intermediate bin at different positions vertically. The position of the upper rotation blocking type material level meter is the material level point for stopping the material scraper, and the position of the lower rotation blocking type material level meter is the material level point for starting the material scraper.

[0028] As a preferred embodiment of the present application, the material scraper comprises a rotating rod, one end of which is rotatably installed on the bottom surface of the storage bin, and the other end extends upward and out of the storage bin and is connected to a driving device, which is electrically connected to the host computer.

[0029] A material leakage hole is formed on the bottom surface of the storage bin to form a first material disc, and a second material disc with a material leakage hole is coaxially fixedly connected to the rotating rod. The bottom surface of the second material disc is in contact with the top surface of the first material disc. The driving device drives the second material disc to rotate to make the material leakage hole on the second material disc coincide with the material leakage hole on the first material disc to perform material discharge.

[0030] The driving device changes the overlapping area of the material leakage hole on the second material disc and the material leakage hole on the first material disc to change the material discharge amount.

[0031] As a preferred embodiment of the present application, a rotating cylinder is sleeved on the outer surface of the rotating rod. The two ends of the rotating cylinder are movably connected to the second material disc and the top surface of the storage bin, respectively. The top end of the rotating cylinder is further connected to a rotating device for driving the rotating cylinder to rotate around the rotating rod.

[0032] A plurality of partitions are circumferentially arranged on the outer surface of the rotating cylinder. The bottom end of each partition is in contact with the second material disc, and the side edge of each partition is in contact with the inner wall of the storage bin. Adjacent two partitions form a material storage area.

[0033] The rotating cylinder drives the partitions to rotate to push the accelerator located outside the material leakage hole in the material storage area into the material leakage hole.

[0034] As a preferred scheme of the present application, the rotating rod is provided with a limiting assembly for limiting the position of the rotating cylinder, the limiting assembly comprises a sleeve ring and a connecting rod, the sleeve ring is sleeved on the outer surface of the rotating rod, and the connecting rod is connected to the outer surface of the sleeve ring at one end and to the inner wall of the rotating cylinder at the other end.

[0035] As a preferred scheme of the present application, the driving device and the rotating device are both mounted on the top outer surface of the storage bin, and the driving device and the rotating device are both electrically connected with the upper computer.

[0036] Compared with the prior art, the present application has the following beneficial effects:

[0037] The present application is provided with an intermediate bin and a belt conveyor between the storage bin and the mixing machine, and a material level meter is arranged on the intermediate bin to monitor the material condition, so that the discharging is carried out quickly, conveniently and automatically, and manual supervision and control are no longer needed, and the manual operation is further simplified.

[0038] In addition, the discharging port of the intermediate bin is close to the belt conveyor, and the intermediate bin can be naturally discharged through the normal operation of the belt conveyor, and the material is gently conveyed into the mixing machine, so that the overall discharging process is more stable and natural. BRIEF DESCRIPTION OF DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only exemplary, and other drawings can be obtained by the provided drawings without creative labor for those skilled in the art.

[0040] Figure 1 It is an overall structural schematic diagram of the present application.

[0041] Figure 2 It is a sectional view of the storage bin of the present application.

[0042] Figure 3 It is another sectional view of the storage bin of the present application.

[0043] Figure 4 It is an enlarged view of A in the present application. Figure 3

[0044] The numbers in the drawings represent the following:

[0045] ​1, storage bin; 2, belt conveyor; 3, mixer; 4, intermediate bin; 5, anti-rotation type material level meter; 6, upper computer; 7, rotating rod; 8, driving device; 9, first material tray; 10, second material tray; 11, rotating cylinder; 12, rotating device; 13, partition plate; 14, storage area; 15, sleeve ring; 16, connecting rod. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the protection scope of the present application.

[0047] As shown in the drawings, Figures 1 to 4 The present application provides a gypsum board coagulant powder feeding method and system, specifically:

[0048] A gypsum board coagulant powder feeding method:

[0049] A scraper is arranged in the storage bin 1, and the scraper is actuated to discharge the storage bin 1. A belt conveyor 2 is arranged below the storage bin 1 to convey the material to the mixer 3.

[0050] An intermediate bin 4 is arranged at the discharge port of the storage bin 1, and the discharge port of the intermediate bin 4 is arranged close to the surface of the belt conveyor 2 to limit the discharge of the material in the intermediate bin 4 when the belt conveyor 2 is not actuated. The transmission rate of the belt conveyor 2 is positively correlated with the discharge rate of the powder in the intermediate bin 4.

[0051] A material level point for adjusting the discharge of the storage bin 1 is arranged in the intermediate bin 4, and an anti-rotation type material level meter 5 is arranged at the material level point to detect the relationship between the actual material level and the material level point of the intermediate bin 4.

[0052] When the actual material level is lower than the material level point, the scraper is actuated by the upper computer 6 to discharge the storage bin 1 to replenish the intermediate bin 4.

[0053] When the actual material level is higher than the material level point, the scraper is stopped by the upper computer 6 to stop the discharge of the storage bin 1.

[0054] The transmission rate of the belt conveyor 2 is adjusted by the upper computer 6 to adjust the feeding amount of the mixer 3.

[0055] In the embodiment, the discharge port of the intermediate bin 4 is arranged close to the surface of the belt conveyor 2, and the distance between them can be determined according to actual test, and generally cannot be too large, because the distance between them is needed to prevent the powder in the intermediate bin 4 from being discharged to the belt conveyor 2 in a short time, or in other words, if the belt conveyor 2 is not moving, when the powder in the intermediate bin 4 is discharged to a certain position, the powder on the belt conveyor 2 at the position of the discharge bottom of the intermediate bin 4 will be accumulated and limit the continuous discharge of the intermediate bin 4.

[0056] Similarly, when the speed of the belt conveyor 2 is relatively slow, the discharge of the intermediate bin 4 is slow, and the start-stop cycle of the scraper is small, and when the speed of the belt conveyor 2 is fast, the discharge is fast, and the start-stop cycle of the scraper is large.

[0057] The embodiment adopts this feeding method, which is widely applicable to production lines that need to feed powder, and at least has the following advantages compared with the conventional feeding mode (screw reamer and the like) in the prior art:

[0058] Firstly, the discharge speed is controlled by controlling the conveying speed of the belt conveyor 2, and the purpose of quantitative discharge is achieved (quantitative discharge is positively correlated with the speed of the belt conveyor 2), which is more stable, smooth, large in discharge amount, and fast compared with the quantitative discharge mode of the existing screw reamer through a pneumatic valve, and the precision (sealing component) of the pneumatic valve is prone to blockage and the like.

[0059] Secondly, the screw reamer is prone to the phenomenon of powder accumulation and blockage during discharge, and the entire composition of the embodiment is the combination of two bins, and the vertical discharge is mainly realized through the scraper, and the stopping of the discharge is realized by limiting the distance between the bin and the belt conveyor 2 and the accumulation of the powder, but the belt conveyor 2 can naturally realize the continuous discharge process, and the blockage basically does not occur.

[0060] Thirdly, the continuity is good, as long as the belt conveyor 2 continuously conveys, because the powder in the intermediate bin 4 is always controlled by the upper computer 6, the continuous supply can be realized, and the temporary storage function of the intermediate bin 4 can provide time gap for the feeding of the storage bin 1.

[0061] Among them, one material point is generally set, but in this case, the action of the scraper will be very frequent. The reason is mainly that when the actual material level is lower than the material point, the scraper will work to supplement the material, and when the actual material level is higher than the material point, the scraper will stop. At the same time, the intermediate bin is discharged again, so the actual material level will soon be lower than the material point again, and the material point will send a signal to the scraper to work, so the action of the scraper will be very frequent.

[0062] Therefore, in this case, it is preferable to set two material points, which are respectively called the feeding point and the unloading point. The feeding point is located above the unloading point, and a rotary paddle level gauge 5 is set at each of the feeding point and the unloading point.

[0063] When the actual material level is lower than the loading point, the host computer 6 controls the scraper to operate, and the storage bin 1 discharges material to replenish the intermediate bin 4.

[0064] When the actual material level is lower than the discharge point, the host computer 6 controls the scraper to operate, and the storage bin 1 discharges material to replenish the intermediate bin 4.

[0065] The technical solution of this embodiment is used in the accelerator feeding process of a gypsum board production line, and can also be used for the continuous feeding of any powder. During the gypsum board mixing process, the following steps are also included: when the mixer 3 reaches the preset feeding amount, a signal is transmitted to the host computer 6 to stop the belt conveyor 2, thereby stopping the process.

[0066] In actual operation, the feeding rate of the storage bin can be measured as a constant. However, the feeding rate of the intermediate bin 4 varies according to the transmission speed of the belt conveyor 2. Therefore, there are two possibilities for the feeding rate of the intermediate bin 4 (the best case is when the feeding rate of the intermediate bin 4 is the same as that of the storage bin 1, in which case the actual material level will be stable, so this will not be considered here).

[0067] 1. When the feeding rate of intermediate bin 4 is greater than that of storage bin 1, the actual material level drop will definitely be lower than the feeding point. Therefore, at this time, the rotary paddle level gauge 5 at the feeding point sends a signal to the host computer, causing the host computer 6 to control the scraper to increase the feeding amount of storage bin 1 to prevent intermediate bin 4 from being empty.

[0068] 2. When the feeding rate of intermediate silo 4 is less than that of storage silo 1, the scraper will stop operating once the actual material level exceeds the feeding point. At this time, the material in intermediate silo 4 will slowly descend until the actual material level is lower than the feeding point. Then the scraper will restart to replenish the material, and this process will be repeated.

[0069] This configuration causes the rotary paddle level gauge 5 at the loading point to repeatedly send signals to control the scraper to operate frequently. Therefore, a preset time can be set within the rotary paddle level gauge 5 at the loading point. If the actual material level falls below the loading point twice or more within the set time, the rotary paddle level gauge 5 at the loading point will not send a signal to the host computer 6, and the scraper will stop moving. This continues until the actual material level drops to the unloading point, and when the actual material level is lower than the unloading point, the host computer 6 controls the scraper to operate, and the storage bin 1 discharges material to replenish the intermediate bin 4.

[0070] Based on the above methods, such as Figure 1 As shown, this embodiment provides a gypsum board production line accelerator addition system, which includes:

[0071] The storage bin 1 is used for storing the coagulant powder, and the scraper is used for discharging.

[0072] The belt conveyor 2 is arranged at the bottom of the discharging port of the storage bin 1, and is used for receiving the coagulant powder discharged from the storage bin 1 and transmitting to the mixer 3.

[0073] The intermediate bin 4 is connected to the discharging port of the storage bin 1, and the discharging port of the intermediate bin 4 is arranged close to the surface of the belt conveyor 2, so as to limit the powder in the intermediate bin 4 from discharging when the belt conveyor 2 is not in operation, and the transmission speed of the belt conveyor 2 is positively correlated with the discharging speed of the powder in the intermediate bin 4.

[0074] The anti-rotation type level meter 5 is arranged in the intermediate bin 4, and is used for detecting the relationship between the actual level in the intermediate bin 4 and the level point corresponding to the anti-rotation type level meter 5.

[0075] The upper computer 6 is connected to the scraper and the anti-rotation type level meter 5, and controls the operation of the scraper according to the actual level detected by the anti-rotation type level meter 5. When the actual level is higher than the anti-rotation type level meter 5, the scraper is stopped; when the actual level is lower than the anti-rotation type level meter 5, the scraper is started.

[0076] The anti-rotation type level meter 5 is provided with two, and the two anti-rotation type level meters 5 are vertically distributed at different positions in the intermediate bin 4. The position of the upper anti-rotation type level meter 5 is taken as the level point for stopping the scraper, and the position of the lower anti-rotation type level meter 5 is taken as the level point for starting the scraper.

[0077] Similarly, the system has the advantages of stable discharging, continuous discharging, and small possibility of blockage.

[0078] In the embodiment, the scraper mainly plays a role in discharging, but it needs to be intermittently operated according to the control of the upper computer 6. Therefore, the embodiment provides a scraper arranged in the storage bin 1, which specifically comprises: a rotating rod 7, one end of the rotating rod 7 is rotatably installed on the bottom surface of the storage bin 1, the other end extends upward and penetrates through the storage bin 1 and is connected with a driving device 8, and the driving device 8 is electrically connected with the upper computer 6.

[0079] As shown in Figure 2 Fig. 1, the bottom surface of the storage bin 1 is provided with a leakage hole to form a first tray 10, the rotating rod 7 is coaxially and fixedly connected with a second tray 9 having a leakage hole, the bottom surface of the second tray 9 is in contact with the top surface of the first tray 10, and the driving device 8 drives the second tray 9 to rotate to make the leakage hole on the second tray 9 coincide with the leakage hole on the first tray 10 to discharge.

[0080] The driving device 8 changes the coincidence area of the leakage hole on the second tray 9 and the leakage hole on the first tray 10 to change the discharging amount.

[0081] The scraper of the device mainly discharges materials by overlapping the material leakage holes on the first material tray 10 and the second material tray 9. When the rotary blockage material level gauge 5 at the feeding site sends a signal to the upper computer 6, the upper computer 6 drives the driving device 8 to rotate and drive the second material tray 9 to rotate, so that the material leakage holes on the second material tray 9 overlap the material leakage holes on the first material tray 10. At this time, the overlapping area can be small, so that the materials can be discharged.

[0082] When it is necessary to increase the discharging amount of the storage bin (the material level gauge at the discharging site works), the rotating rod 7 is rotated at a larger angle, and the overlapping area of the material leakage holes on the first material tray 10 and the second material tray 9 is larger, so that the discharging amount can be increased.

[0083] The rotary blockage material level gauges 5 at the feeding site and the discharging site in the device are electrically connected with the upper computer, and the upper computer 6 is connected with the driving device 8 and the rotating device 12. The rotary blockage material level gauges 5 at the feeding site and the discharging site control the actions of the driving device 8 and the rotating device 12 through the upper computer 6 as a transfer.

[0084] As shown in Figure 4 The rotating rod 7 is sleeved with a rotating cylinder 11, and the two ends of the rotating cylinder 11 are movably connected to the top surface of the second material tray 9 and the storage bin 1, respectively. The top end of the rotating cylinder 11 is also connected with a rotating device 12 for driving the rotating cylinder 11 to rotate around the rotating rod 7.

[0085] A plurality of partitions 13 are circumferentially arranged on the outer surface of the rotating cylinder 11. The bottom end of the partition 13 is in contact with the second material tray 9, and the side edge of the partition 13 is in contact with the inner wall of the storage bin 1. The adjacent two partitions 13 form a storage area 14.

[0086] The rotating cylinder 11 drives the partition 13 to rotate to push the accelerator in the storage area 14 outside the material leakage hole into the material leakage hole.

[0087] The rotating rod 7 is provided with a limiting assembly for limiting the position of the rotating cylinder 11. The limiting assembly includes a sleeve ring 15 and a connecting rod 16. The sleeve ring 15 is rotatably sleeved on the outer surface of the rotating rod 7. One end of the connecting rod 16 is connected to the outer surface of the sleeve ring 15, and the other end is connected to the inner wall of the rotating cylinder 11.

[0088] The driving device 8 and the rotating device 12 are both installed on the top outer surface of the storage bin 1, and the driving device 8 and the rotating device 12 are both electrically connected with the upper computer 6

[0089] The material in the storage bin 1 will all fall into the storage area 14, but since the storage area 14 is not all the material leakage hole, when the accelerator falls in the area outside the leakage hole, the material will not fall from the leakage hole, so the rotating drum 11, the partition 13 and the rotating device 12 are set, the signal is sent by the upper computer 6 to start the rotating device 12, and the rotating drum 11 drives the rotation of the partition 13 to push the material into the leakage hole.

[0090] And the first tray 10 and the second tray 9 can be set as a smooth surface to facilitate the discharge.

[0091] In addition, the sleeve 15 and the connecting rod 16 are arranged on the rotating rod 7 to limit the rotating drum 11 on the rotating rod 7, so that the rotating drum 11 can always rotate around the rotating rod 7, and the position will not move. The rotating drum 11 and the rotating rod 7 are coaxially arranged, so that the stability of the device is better.

[0092] The above examples are only exemplary embodiments of the present application, and are not used to limit the present application, and the protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and such modifications or equivalent replacements shall also be regarded as falling within the protection scope of the present application.

Claims

1. A gypsum board accelerator powder dosing system characterized by, Possess: Storage bin (1) for storing accelerator powder, built-in scraper, the scraper is used for discharging; Belt machine (2) is arranged at the bottom of the discharge port of the storage bin (1), the belt machine (2) is used for receiving the accelerator powder discharged from the storage bin (1), and is transmitted to the mixer (3); Intermediate bin (4) is connected to the discharge port of the storage bin (1), and the discharge port of the intermediate bin (4) is arranged close to the surface of the belt machine (2), so as to limit the powder in the intermediate bin (4) to discharge when the belt machine (2) is not in action, and the transmission rate of the belt machine (2) is positively correlated with the powder discharge rate in the intermediate bin (4); The resistance to spin type material level meter (5) is arranged in the intermediate bin (4), which is used for detecting the relationship between the actual material level in the intermediate bin (4) and the material level point corresponding to the resistance to spin type material level meter (5); The upper computer (6) is connected with the scraper and the resistance to spin type material level meter (5), and the upper computer (6) controls the action of the scraper according to the actual material level detected by the resistance to spin type material level meter (5). When the actual material level is higher than the resistance to spin type material level meter (5), stop the scraper, and when the actual material level is lower than the resistance to spin type material level meter (5), start the scraper; The scraper includes a rotating rod (7), one end of the rotating rod (7) is rotatably installed on the bottom surface of the storage bin (1), the other end extends upward and penetrates through the storage bin (1) and is connected with a driving device (8), and the driving device (8) is electrically connected with the upper computer (6); A leakage hole is formed on the bottom surface of the storage bin (1) to form a first tray (10), a second tray (9) with a leakage hole is fixedly connected with the rotating rod (7) in a coaxial manner, the bottom surface of the second tray (9) is in contact with the top surface of the first tray (10), and the driving device (8) drives the second tray (9) to rotate so that the leakage hole in the second tray (9) coincides with the leakage hole in the first tray (10) to discharge powder; The driving device (8) changes the overlapping area of the leakage hole in the second tray (9) and the leakage hole in the first tray (10) to change the discharging amount; The outer surface of the rotating rod (7) is sleeved with a rotating cylinder (11), both ends of the rotating cylinder (11) are movably connected to the second tray (9) and the top surface of the storage bin (1) respectively, and the top end of the rotating cylinder (11) is further connected with a rotating device (12) for driving the rotating cylinder (11) to rotate around the rotating rod (7); A plurality of partitions (13) are circumferentially arranged on the outer surface of the rotating cylinder (11), the bottom end of the partition (13) is in contact with the second tray (9), the side edge of the partition (13) is in contact with the inner wall of the storage bin (1), and a storage area (14) is formed between adjacent two partitions (13); The rotating cylinder (11) drives the partition (13) to rotate to push the accelerator in the storage area (14) outside the leakage hole into the leakage hole; The driving device (8) and the rotating device (12) are both mounted on the top outer surface of the storage bin (1), and the driving device (8) and the rotating device (12) are both electrically connected with the upper computer (6); The two resistance-to-rotation type material level meters (5) are vertically distributed at different positions in the intermediate bin (4), the position of the upper resistance-to-rotation type material level meter (5) is used as the material level point for stopping the material scraper, and the position of the lower resistance-to-rotation type material level meter (5) is used as the material level point for starting the material scraper; When the actual material level is lower than the upper material level point, the upper computer (6) controls the material scraper to act, and the storage bin (1) discharges to replenish the intermediate bin (4); When the actual material level is lower than the lower material level point, the upper computer (6) controls the material scraper to act, and the storage bin (1) discharges to replenish the intermediate bin (4); The transmission rate of the belt conveyor (2) is adjusted by the upper computer (6) to adjust the feeding amount of the mixing machine (3); When the discharging rate of the intermediate bin (4) is greater than the discharging rate of the storage bin (1), and when the actual material level of the intermediate bin (4) is lower than the lower material level point, the resistance-to-rotation type material level meter (5) at the lower material level point sends a signal to the upper computer (6), and the upper computer (6) controls the material scraper to increase the discharging amount of the storage bin (1) to prevent the intermediate bin (4) from being empty; When the discharging rate of the intermediate bin (4) is less than the discharging rate of the storage bin (1), and when the actual material level of the intermediate bin (4) is higher than the upper material level point, the upper computer (6) controls the material scraper to stop acting, at the same time, the material in the intermediate bin (4) slowly descends until the actual material level is lower than the upper material level point, the upper computer (6) controls the material scraper to restart to replenish, and the process is repeated.

2. A gypsum board accelerator powder dosing system according to claim 1, wherein, The rotating rod (7) is provided with a limiting assembly for limiting the position of the rotating cylinder (11), the limiting assembly comprises a sleeve ring (15) and a connecting rod (16), the sleeve ring (15) is rotationally sleeved on the outer surface of the rotating rod (7), and the connecting rod (16) is connected at one end to the outer surface of the sleeve ring (15) and at the other end to the inner wall of the rotating cylinder (11).

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