Proportioning device for calcium oxide production

By designing a rationing device for calcium oxide production, the automatic crushing and screening of limestone is realized, which solves the problem of manual screening and labor-consuming in the existing process, and improves the rationing efficiency and production pass rate of calcium oxide production.

CN222427893UActive Publication Date: 2025-02-07PINGSHUN COUNTY GUANGTAIHE MINING CO LTD
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Patent Information

Application Number
CN202421174077.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-02-07
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

In the existing calcium oxide production process, limestone powder screening relies on labor, consumes a lot of labor and has low proportional efficiency.

Method used

A proportioning device for calcium oxide production is designed, including crushing and screening box and proportioning box. The crushing mechanism, screening mechanism and scraping mechanism are used to realize automatic crushing and screening of limestone, and automatically calculate through gravity sensors. The amount of coke added.

Benefits of technology

Through automatic screening and distribution, the proportioning efficiency of calcium oxide production is improved, the labor amount of manual operation is reduced, and the production pass rate is improved.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a proportioning device for calcium oxide production, and relates to the technical field of calcium oxide production proportioning devices.The proportioning device comprises a crushing and screening box body, a crushing mechanism is installed on the inner wall of the top end of the crushing and screening box body, a screening mechanism is installed on the inner side wall of the lower end of the crushing and screening box body, and a proportioning box body is fixedly connected to the outer surface of the left side of the crushing and screening box body; an inner containing cavity of the proportioning box body communicates with an inner containing cavity of the crushing and screening box body through a first through groove, a first hinge plate is hinged to an opening in the end, close to the crushing and screening box body, of the first through groove, a first scraping mechanism is installed on the inner side wall of the left end of the proportioning box body, and a gravity sensor is installed on the inner bottom face of the proportioning box body. A stress plate is mounted on the upper surface of the gravity sensor, a controller is mounted on the front side surface of the proportioning box body, and the output end of the gravity sensor is electrically connected with the controller; through cooperation of the structures, the crushed limestone can be automatically screened, and the matching efficiency during subsequent calcium oxide production is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of calcium oxide production proportioning devices, in particular to a calcium oxide production proportioning device. Background Art

[0002] Calcium oxide is an inorganic compound with the chemical formula CaO, commonly known as quicklime. Its physical properties are white powder on the surface, grayish white if it is impure, and light yellow or gray if it contains impurities. It is hygroscopic. The production methods of calcium oxide are generally divided into three types: limestone calcination method, pure nitric acid dissolving marble and calcium carbonate calcination method. The limestone calcination method is to crush the limestone, screen out the powder, and then add coke in a certain ratio. The screened limestone and fuel are added into the kiln from the top of the kiln at a fixed time and quantity, and then the finished product is obtained after cooling.

[0003] When producing calcium oxide by using limestone calcination method, the existing technology generally screens the limestone powder manually, which consumes a lot of labor and may even lead to a low calcium oxide production qualification rate due to improper screening. The weight of the selected limestone particles is measured, and then the coke is proportioned. There are many operating steps and a lot of labor, resulting in poor proportioning efficiency during calcium oxide production.

[0004] For this reason, a proportioning device for calcium oxide production is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a proportioning device for calcium oxide production in order to automatically screen the crushed limestone and improve the proportioning efficiency in the subsequent calcium oxide production.

[0006] The technical solution adopted by the utility model is as follows:

[0007] A proportioning device for calcium oxide production comprises a crushing and screening box, the upper surface of which is provided with a feed inlet 1, a crushing mechanism is installed on the top inner wall of the crushing and screening box, a partition is fixedly connected to the upper inner side wall of the crushing and screening box, an inner discharge pipe is opened on the lower surface of the partition, an electromagnetic valve is arranged on the lower outer surface of the inner discharge pipe, a screening mechanism is installed on the lower inner side wall of the crushing and screening box, a proportioning box is fixedly connected to the left outer surface of the crushing and screening box, a feed inlet 2 is opened on the upper surface of the proportioning box, and the content cavity of the proportioning box is connected to the internal cavity of the crushing and screening box through a through groove 1. The through slot 1 is hingedly connected with a hinged plate 1 at an opening at one end close to the crushing and screening box body, a scraping mechanism 1 is installed on the inner side wall of the left end of the proportioning box body, a gravity sensor is installed on the inner bottom surface of the proportioning box body, a force plate is installed on the upper surface of the gravity sensor, a controller is installed on the front side of the proportioning box body, the output end of the gravity sensor is electrically connected to the controller, a discharging box body is fixedly connected to the left outer surface of the proportioning box body, the discharging box body is connected with the internal volume cavity of the proportioning box body through the through slot 2, a hinged plate 2 is hingedly connected to the inner wall of the through slot 2 close to one end of the proportioning box body, and a scraping mechanism 2 is installed on the left inner wall of the discharging box body;

[0008] The screening mechanism includes an electric cylinder 1 and an electric cylinder 2, the electric cylinder 1 is fixedly connected to the inner wall of the lower right end of the crushing and screening box, a piston rod 1 is installed at the output end of the electric cylinder 1, and a U-shaped trough is fixedly connected to the upper surface of the piston rod 1, the electric cylinder 2 is fixedly connected to the inner wall of the lower left end of the crushing and screening box, a piston rod 2 is installed at the output end of the electric cylinder 2, a connecting plate is fixedly connected to the upper surface of the connecting plate, a spring is fixedly connected to the upper surface of the spring, a filter is fixedly connected to the upper surface of the spring, an end of the filter away from the spring is snapped with the inner surface of the U-shaped trough, and a vibration motor is installed on the lower surface of the U-shaped trough;

[0009] The scraping mechanism one includes an electric cylinder three, and the electric cylinder three is fixedly connected to the left inner wall of the proportioning box. The output end of the electric cylinder three is installed with a piston rod three, and the lower surface of the end of the piston rod three away from the electric cylinder three is fixedly connected to an electric cylinder four, and the output end of the lower surface of the electric cylinder four is installed with a piston rod four, and the lower surface of the piston rod four is fixedly connected to a scraper one.

[0010] Furthermore, support legs are fixedly connected to the lower surfaces of the crushing and screening box and the discharging box.

[0011] Furthermore, the crushing mechanism includes a motor, which is fixedly connected to the top inner wall of the crushing and screening box. A rotating shaft is installed at the output end of the lower surface of the motor, and a crushing blade is fixedly connected to the outer surface of the rotating shaft.

[0012] Furthermore, the upper surface of the partition is inclined from all sides toward the upper end opening of the inner discharge pipe.

[0013] Furthermore, a discharge pipe 1 is installed in the middle of the lower surface of the crushing and screening box, a valve 1 is provided on the outer surface of the lower end of the discharge pipe 1, and the inner bottom surface of the crushing and screening box is inclined from all sides toward the upper end opening of the discharge pipe 1.

[0014] Furthermore, the scraping mechanism 2 includes an electric cylinder 5, the electric cylinder 5 is fixedly connected to the left inner wall of the discharge box, the output end of the electric cylinder 5 is installed with a piston rod 5, the lower surface of the end of the piston rod 5 away from the electric cylinder 5 is fixedly connected to an electric cylinder 6, the output end of the lower surface of the electric cylinder 6 is installed with a piston rod 6, and the lower surface of the piston rod 6 is fixedly connected to a scraper 2.

[0015] Furthermore, a second discharge pipe is provided in the inner cavity at the bottom end of the discharge box, and a second valve is provided on the outer surface of the second discharge pipe.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] 1. In the utility model, after placing a large piece of limestone from the feed port 1 into the upper inner chamber of the crushing and screening box, the large piece of limestone can be crushed by the crushing mechanism, and then the inner discharge pipe is opened so that the crushed limestone particles can fall from the inner discharge pipe to the upper surface of the filter screen. At this time, the vibration motor can be started to vibrate the filter screen so that the smaller particles and some powder in the crushed limestone can be sieved to the inner bottom surface of the crushing and screening box, while the granular limestone suitable for calcium oxide production will be left on the upper surface of the filter screen. At this time, the electric cylinder 1 and the electric cylinder 2 can be started to make the piston rod 1 and the piston rod 2 drive the U-shaped trough body and the connecting The connecting plate moves downward until the upper surface of the filter screen is flush with the inner bottom surface of the through slot one; then the electric cylinder three can be started to make the piston rod three drive the electric cylinder four, the piston rod four and the scraper one to pass through the through slot one and extend to the internal volume of the crushing and screening box body and be located directly above the filter screen; then the electric cylinder four is started to make the piston rod four drive the scraper one to move downward so that the scraper one can contact the limestone particles, and then the scraping mechanism one is used to scrape these particles to the inner bottom surface of the proportioning box body for subsequent proportioning; through the cooperation of the above structures, the crushed limestone can be automatically screened, thereby improving the proportioning efficiency in the subsequent calcium oxide production.

[0018] 2. In the utility model, when the limestone particles fall onto the force plate on the bottom of the proportioning box, the force plate will sense the weight of the limestone particles and feed back the weight data to the controller. At this time, the controller will automatically calculate the weight of coke that needs to be added so that the staff can add the corresponding weight of coke from the second feed inlet, thereby improving the proportioning efficiency during subsequent calcium oxide production. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 For the utility model Figure 2 A magnified image of point A;

[0022] Figure 4 For the utility model Figure 2 Enlarged view of point B.

[0023] Markings in the figure: 1-crushing and screening box, 2-crushing mechanism, 3-screening mechanism, 4-proportioning box, 5-scraping mechanism 1, 6-discharging box, 7-scraping mechanism 2, 8-supporting legs, 11-feeding port 1, 12-discharging pipe 1, 13-valve 1, 14-partition, 15-inner discharge pipe, 16-solenoid valve, 17-through slot 1, 18-hinge plate 1, 21-motor, 22-rotating shaft, 23-crushing blade, 31-electric cylinder 1, 32-piston rod 1, 33-U-shaped slot, 34-electric cylinder 2 , 35-piston rod 2, 36-connecting plate, 37-spring, 38-filter, 39-vibration motor, 41-feeding port 2, 42-gravity sensor, 43-force plate, 44-controller, 51-electric cylinder 3, 52-piston rod 3, 53-electric cylinder 4, 54-piston rod 4, 55-scraper 1, 61-discharge pipe 2, 62-valve 2, 63-through groove 2, 64-hinge plate 2, 71-electric cylinder 5, 72-piston rod 5, 73-electric cylinder 6, 74-piston rod 6, 75-scraper 2. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example:

[0026] Reference Figure 1-Figure 4 A proportioning device for calcium oxide production, comprising a crushing and screening box 1, a feed inlet 11 is provided on the upper surface of the crushing and screening box 1, a crushing mechanism 2 is installed on the top inner wall of the crushing and screening box 1, a partition 14 is fixedly connected to the inner side wall of the upper end of the crushing and screening box 1, an inner discharge pipe 15 is provided on the lower surface of the partition 14, and an electromagnetic valve 16 is provided on the lower outer surface of the inner discharge pipe 15, the crushing mechanism 2 comprises a motor 21, the motor 21 is fixedly connected to the inner wall of the top end of the crushing and screening box 1, and the lower end of the motor 21 is provided with a solenoid valve 16. A rotating shaft 22 is installed at the surface output end, and a crushing blade 23 is fixedly connected to the outer surface of the rotating shaft 22. The upper surface of the partition 14 is inclined from all sides to the upper end opening of the inner discharge pipe 15; specifically, after placing the large piece of limestone from the feed port 11 into the upper end internal cavity of the crushing and screening box 1, the motor 21 can be started to make the rotating shaft 22 drive the crushing blade 23 to rotate, so as to crush the large piece of limestone, and then the inner discharge pipe 15 is opened so that the crushed limestone particles can be discharged from the inner discharge pipe 15.

[0027] Reference Figure 1-Figure 4 A screening mechanism 3 is installed on the inner side wall of the lower end of the crushing and screening box 1. The screening mechanism 3 includes an electric cylinder 1 31 and an electric cylinder 2 34. The electric cylinder 1 31 is fixedly connected to the inner wall of the lower right end of the crushing and screening box 1. A piston rod 1 32 is installed at the output end of the electric cylinder 1 31. The upper surface of the piston rod 1 32 is fixedly connected to a U-shaped groove 33. The electric cylinder 2 34 is fixedly connected to the inner wall of the lower left end of the crushing and screening box 1. A piston rod 2 35 is installed at the output end of the electric cylinder 2 34. The upper surface of the piston rod 2 35 is fixedly connected to a connecting plate 36. The upper surface of the connecting plate 36 is fixedly connected to A spring 37 is connected, and a filter screen 38 is fixedly connected to the upper surface of the spring 37. The end of the filter screen 38 away from the spring 37 is snapped into the inner surface of the U-shaped trough 33, and a vibration motor 39 is installed on the lower surface of the U-shaped trough 33; specifically, when limestone particles can fall from the inner discharge pipe 15 to the upper surface of the filter screen 38, the vibration motor 39 can be started to vibrate the filter screen 38, so that smaller particles and some powder in the crushed limestone can be sieved to the inner bottom surface of the crushing and screening box 1, while granular limestone suitable for calcium oxide production will be retained on the upper surface of the filter screen 38.

[0028] Reference Figure 1-Figure 4The left outer surface of the crushing and screening box 1 is fixedly connected with the proportioning box 4, and the content cavity of the proportioning box 4 is connected with the internal cavity of the crushing and screening box 1 through a through slot 17. The through slot 17 is hinged with a hinged plate 18 at an opening of one end of the crushing and screening box 1. A scraping mechanism 5 is installed on the inner side wall of the left end of the proportioning box 4. The scraping mechanism 5 includes an electric cylinder 3 51, which is fixedly connected to the left inner wall of the proportioning box 4. A piston rod 3 52 is installed at the output end of the electric cylinder 3 51, and an electric cylinder 4 53 is fixedly connected to the lower surface of the end of the piston rod 3 52 away from the electric cylinder 3 51. A piston rod 4 54 is installed on the output end of the lower surface of the electric cylinder 4 53, and a scraper 55 is fixedly connected to the lower surface of the piston rod 4 54; specifically, start the electric cylinder 1 31 and the electric cylinder 2 34 , so that the piston rod 1 32 and the piston rod 2 35 drive the U-shaped trough body 33 and the connecting plate 36 to move downward until the upper surface of the filter screen 38 is flush with the inner bottom surface of the through groove 17; then the electric cylinder 3 51 can be started to make the piston rod 3 52 drive the electric cylinder 4 53, the piston rod 4 54 and the scraper 1 55 to pass through the through groove 17 and extend to the internal volume of the crushing and screening box 1, and be located directly above the filter screen 38, and then the electric cylinder 4 53 is started to make the piston rod 4 54 drive the scraper 1 55 to move downward, so that the scraper 1 55 can contact the limestone particles, and then the scraping mechanism 1 5 is used to scrape these particles to the inner bottom surface of the proportioning box 4 for subsequent proportioning; through the cooperation of the above structure, the crushed limestone can be automatically screened, thereby improving the proportioning efficiency during the subsequent calcium oxide production.

[0029] Reference Figure 1-Figure 4 A feed port 2 41 is provided on the upper surface of the proportioning box 4, and a gravity sensor 42 is installed on the inner bottom surface of the proportioning box 4; specifically, the model of the gravity sensor 42 is BMA250E; a force plate 43 is installed on the upper surface of the gravity sensor 42, and a controller 44 is installed on the front side of the proportioning box 4, specifically, the model of the controller 44 is DS-D40C04-H; the output end of the gravity sensor 42 is electrically connected to the controller 44; specifically, when the limestone particles fall onto the force plate 43 on the inner bottom surface of the proportioning box 4, the force plate 43 will sense the weight of the limestone particles and feed back the weight data to the controller 44, at which time the controller 44 will automatically calculate the weight of the coke that needs to be added, so that the staff can add the corresponding weight of the coke from the feed port 2 41, thereby improving the proportioning efficiency during the subsequent calcium oxide production.

[0030] Reference Figure 1-Figure 4, the left outer surface of the proportioning box 4 is fixedly connected with the discharging box 6, and the lower surfaces of the crushing and screening box 1 and the discharging box 6 are fixedly connected with the supporting legs 8; specifically, the supporting legs 8 can support the crushing and screening box 1 and the discharging box 6 from below; the discharging box 6 is connected to the internal volume of the proportioning box 4 through the through slot 2 63, and the inner wall of the through slot 2 63 close to the end of the proportioning box 4 is hinged with a hinged plate 2 64, and the left inner wall of the discharging box 6 is installed with a scraping mechanism 2 7; the scraping mechanism 2 7 includes an electric cylinder 5 71, the electric cylinder 5 71 is fixedly connected to the left inner wall of the discharging box 6, the output end of the electric cylinder 5 71 is installed with a piston rod 5 72, the lower surface of the end of the piston rod 5 72 away from the electric cylinder 5 71 is fixedly connected with an electric cylinder 6 73, the lower surface output end of the electric cylinder 6 73 is installed with a piston rod 6 74, and the piston rod 6 A scraper plate 2 75 is fixedly connected to the lower surface of 74; a discharge pipe 2 61 is provided in the internal cavity at the bottom end of the discharge box 6, and a valve 2 62 is provided on the outer surface of the discharge pipe 2 61; specifically, when the proportioning of limestone particles and coke is completed, the electric cylinder 5 71 can be started to make the piston rod 5 72 drive the electric cylinder 6 73, the piston rod 6 74 and the scraper plate 2 75 to extend through the through groove 2 63 to the internal cavity of the proportioning box 4, and be located directly above the force plate 43, and then the electric cylinder 6 73 is started to make the piston rod 6 74 drive the scraper plate 2 75 to move downward, so that the scraper plate 2 75 can contact the proportioned limestone particles and coke raw materials, and then use the scraping mechanism 2 7 to scrape these particles to the inner bottom surface of the discharge box 6, and then open the valve 2 62 to discharge the proportioned raw materials from the discharge pipe 2 61, so as to enter the next processing step.

[0031] Reference Figure 1-Figure 4 A discharge pipe 12 is installed in the middle of the lower surface of the crushing and screening box 1, and a valve 13 is provided on the outer surface of the lower end of the discharge pipe 12. The inner bottom surface of the crushing and screening box 1 is inclined from all sides to the upper end opening of the discharge pipe 12; specifically, the powdered limestone can be discharged from the discharge pipe 12 by opening the valve 13.

[0032] The implementation principle of the embodiment of a proportioning device for calcium oxide production in the present application is:

[0033] When using the device, first connect the external power supply, place the large piece of limestone from the feed port 11 into the upper internal cavity of the crushing and screening box 1, and then use the crushing mechanism 2 to crush the large piece of limestone, then open the inner discharge pipe 15 so that the crushed limestone particles can fall from the inner discharge pipe 15 to the upper surface of the filter screen 38, and then start the vibration motor 39 to vibrate the filter screen 38, so that the smaller particles and some powder in the crushed limestone can be sieved to the inner bottom surface of the crushing and screening box 1, and the granular limestone suitable for calcium oxide production will be left on the upper surface of the filter screen 38, and then start the electric cylinder 1 31 and the electric cylinder 2 34, so that the piston rod 1 32 and the piston rod 2 35 drive the U-shaped trough 33 and the connecting rod 34 to move the U-shaped trough 33 and the connecting rod 35. The connecting plate 36 moves downward until the upper surface of the filter screen 38 is flush with the inner bottom surface of the through groove 17; then the electric cylinder 3 51 can be started to make the piston rod 3 52 drive the electric cylinder 4 53, the piston rod 4 54 and the scraper 1 55 to pass through the through groove 17 and extend to the internal volume of the crushing and screening box 1, and be located directly above the filter screen 38, and then the electric cylinder 4 53 is started to make the piston rod 4 54 drive the scraper 1 55 to move downward so that the scraper 1 55 can contact the limestone particles, and then the scraping mechanism 1 5 is used to scrape these particles to the inner bottom surface of the proportioning box 4 for subsequent proportioning; through the cooperation of the above structure, the crushed limestone can be automatically screened to improve the proportioning efficiency during the subsequent calcium oxide production.

[0034] When the limestone particles fall onto the force-bearing plate 43 on the bottom surface of the proportioning box 4, the force-bearing plate 43 will sense the weight of the limestone particles and feed back the weight data to the controller 44. At this time, the controller 44 will automatically calculate the weight of coke that needs to be added so that the staff can add the corresponding weight of coke from the feed port 41, thereby improving the proportioning efficiency during subsequent calcium oxide production.

[0035] When the proportioning of limestone particles and coke is completed, the electric cylinder 5 71 can be started to make the piston rod 5 72 drive the electric cylinder 6 73, the piston rod 6 74 and the scraper 2 75 to pass through the through groove 2 63 and extend to the internal cavity of the proportioning box 4, and be located directly above the force plate 43, and then the electric cylinder 6 73 is started to make the piston rod 6 74 drive the scraper 2 75 to move downward so that the scraper 2 75 can contact the proportioned limestone particles and coke raw materials, and then use the scraping mechanism 2 7 to scrape these particles to the inner bottom surface of the discharge box 6, and then open the valve 2 62 to allow the proportioned raw materials to be discharged from the discharge pipe 2 61 so as to enter the next processing step.

[0036] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A proportioning device for calcium oxide production, comprising a crushing and screening box (1), characterized in that: The upper surface of the crushing and screening box (1) is provided with a feed inlet 1 (11), the top inner wall of the crushing and screening box (1) is provided with a crushing mechanism (2), the upper inner wall of the crushing and screening box (1) is fixedly connected with a partition (14), the lower surface of the partition (14) is provided with an inner discharge pipe (15), the lower outer surface of the inner discharge pipe (15) is provided with a solenoid valve (16), the lower inner wall of the crushing and screening box (1) is provided with a screening mechanism (3), the left outer surface of the crushing and screening box (1) is fixedly connected with a proportioning box (4), the upper surface of the proportioning box (4) is provided with a feed inlet 2 (41), the content cavity of the proportioning box (4) is connected with the internal cavity of the crushing and screening box (1) through a through groove 1 (17), and the through groove 1 (17) is close to the crushing and screening box ( 1) is hingedly connected to an opening at one end thereof; a scraping mechanism (5) is installed on the inner side wall of the left end of the proportioning box (4); a gravity sensor (42) is installed on the inner bottom surface of the proportioning box (4); a force-bearing plate (43) is installed on the upper surface of the gravity sensor (42); a controller (44) is installed on the front side of the proportioning box (4); an output end of the gravity sensor (42) is electrically connected to the controller (44); a discharging box (6) is fixedly connected to the left outer surface of the proportioning box (4); the discharging box (6) is connected to the internal volume of the proportioning box (4) through a through groove (63); a hinged plate (64) is hingedly connected to the inner wall of one end of the through groove (63) close to the proportioning box (4); and a scraping mechanism (7) is installed on the left inner wall of the discharging box (6); The screening mechanism (3) comprises an electric cylinder 1 (31) and an electric cylinder 2 (34), wherein the electric cylinder 1 (31) is fixedly connected to the inner wall of the lower end of the right side of the crushing and screening box (1), a piston rod 1 (32) is installed at the output end of the electric cylinder 1 (31), and a U-shaped groove (33) is fixedly connected to the upper surface of the piston rod 1 (32), and the electric cylinder 2 (34) is fixedly connected to the inner wall of the lower end of the left side of the crushing and screening box (1). ) is provided with a piston rod 2 (35) at the output end thereof, a connecting plate (36) is fixedly connected to the upper surface of the piston rod 2 (35), a spring (37) is fixedly connected to the upper surface of the connecting plate (36), a filter screen (38) is fixedly connected to the upper surface of the spring (37), an end of the filter screen (38) away from the spring (37) is snap-fitted to the inner surface of the U-shaped groove body (33), and a vibration motor (39) is installed on the lower surface of the U-shaped groove body (33); The scraping mechanism one (5) includes an electric cylinder three (51), the electric cylinder three (51) is fixedly connected to the left inner wall of the proportioning box (4), the output end of the electric cylinder three (51) is equipped with a piston rod three (52), the lower surface of the end of the piston rod three (52) away from the electric cylinder three (51) is fixedly connected to an electric cylinder four (53), the lower surface output end of the electric cylinder four (53) is equipped with a piston rod four (54), and the lower surface of the piston rod four (54) is fixedly connected to a scraper one (55).

2. A calcium oxide production proportioning device as claimed in claim 1, characterized in that: Support legs (8) are fixedly connected to the lower surfaces of the crushing and screening box (1) and the discharging box (6).

3. A calcium oxide production proportioning device as claimed in claim 1, characterized in that: The crushing mechanism (2) comprises a motor (21), the motor (21) being fixedly connected to the inner wall of the top end of the crushing and screening box (1), a rotating shaft (22) being mounted on the output end of the lower surface of the motor (21), and a crushing blade (23) being fixedly connected to the outer surface of the rotating shaft (22).

4. A calcium oxide production proportioning device as claimed in claim 1, characterized in that: The upper surface of the partition plate (14) is inclined from all sides toward the upper end opening of the inner discharge pipe (15).

5. A calcium oxide production proportioning device as claimed in claim 1, characterized in that: A discharge pipe (12) is installed in the middle of the lower surface of the crushing and screening box (1), and a valve (13) is provided on the outer surface of the lower end of the discharge pipe (12). The inner bottom surface of the crushing and screening box (1) is inclined from all sides toward the upper end opening of the discharge pipe (12).

6. A calcium oxide production proportioning device as claimed in claim 1, characterized in that: The scraping mechanism 2 (7) comprises an electric cylinder 5 (71), the electric cylinder 5 (71) is fixedly connected to the left inner wall of the discharge box (6), a piston rod 5 (72) is installed at the output end of the electric cylinder 5 (71), an electric cylinder 6 (73) is fixedly connected to the lower surface of the piston rod 5 (72) away from the electric cylinder 5 (71), a piston rod 6 (74) is installed at the output end of the lower surface of the electric cylinder 6 (73), and a scraper 2 (75) is fixedly connected to the lower surface of the piston rod 6 (74).

7. A calcium oxide production proportioning device as claimed in claim 1, characterized in that: A second discharge pipe (61) is provided in the inner cavity at the bottom end of the discharge box (6), and a second valve (62) is provided on the outer surface of the second discharge pipe (61).