CN215429565U

CN215429565U - Cement grinding classification equipment

Info

Publication number: CN215429565U
Application number: CN202121586017.1U
Authority: CN
Inventors: 张丰丰; 申丽芳
Original assignee: Shanxi Changjing Environmental Protection Technology Co ltd
Current assignee: Shanxi Changjing Environmental Protection Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-07
Anticipated expiration: 2031-07-13

Abstract

The utility model provides cement grinding grading equipment which comprises a base, a feeding port, an equipment main body and a rack, wherein the rack is fixedly arranged at one end of the base, the equipment main body is positioned at the top of the base, the feeding port is fixedly arranged at the top end of the equipment main body, a grading sieve is embedded in the equipment main body, the top end of the rack is fixedly connected with a driving motor, a connecting shaft is arranged at the inner end of the driving motor in a matched mode, and a rapping hammer head is arranged on the surface of a cylinder body of the grading sieve. Reach the effect of carrying out the transport to the coarse fodder through coarse fodder conveyer pipe and first conveyer belt, cooperation circulating pipe and coarse fodder fill are carried simultaneously to reach and carry the coarse fodder, carry out the effect of circulation processing, reach through the thin material delivery port and carry the effect of concentrating to the thin material that divides the screening out, reach through the stock guide and carry out the effect of guide transport to the coarse fodder that sieves out, reach the effect of screening the coarse fodder thin material fast through sieve mesh and guide layer.

Description

Cement grinding classification equipment

Technical Field

The utility model relates to the technical field of grading equipment, in particular to cement grinding grading equipment.

Background

The roller press system for the cement grinding at the present stage adopts a high-pressure (10MPa) roller press and a circulating elevator for operation, and grading equipment is not arranged; the open-circuit roller press and closed-circuit grinding system has low bench yield and high power consumption, and is relatively backward from the process perspective, so that the open-circuit roller press and grading equipment are changed into a closed-circuit system for increasing the yield, improving the quality, reducing the cost and improving the efficiency, which is a necessary development trend;

the grading equipment used in the existing cement plant is as follows: the V-shaped powder concentrator and the breaker are combined, the V-shaped powder concentrator is static grading equipment, the requirement on the moisture of materials is high, the comprehensive moisture of some materials is high, the material agglomeration force is strong, and a sieve plate is easy to block in the using process; the grading effect is influenced, and the V-shaped powder concentrator has large volume and high requirement on site position;

to sum up the problems, the novel cement grinding grading equipment is provided in order to improve the hourly output of the cement grinding table and combine the conditions of large water content of raw materials and field structure.

SUMMERY OF THE UTILITY MODEL

The purpose of the cement grinding classification equipment of the embodiment is achieved by the following specific technical means:

a cement grinding classification device comprises a base, a feeding port, a device main body and a frame, wherein the frame is fixedly arranged at one end of the base, the device main body is positioned at the top of the base, the feeding port is fixedly arranged at the top end of the device main body, a classification screen is embedded in the device main body, the top end of the frame is fixedly connected with a driving motor, the inner end of the driving motor is provided with a connecting shaft in a matching way, the surface of a cylinder body of the classification screen is provided with a rapping hammer head, the inclined bottom end of the device main body is fixedly provided with a discharging port, the outer end of the discharging port is fixedly connected with a coarse material conveying pipe, the surface of the base is fixedly provided with a first conveying belt and a second conveying belt, the second conveying belt is positioned at the inner side of the first conveying belt, the outer end of the first conveying belt is fixedly provided with a coarse material bucket lift, the top of the coarse material bucket lift is provided with a circulating pipe, and the bottom of the device main body is fixedly provided with a fine material conveying port, the outer end fixedly connected with fine hopper of second conveyer belt is carried, and the inside swing joint of classifying screen has the stock guide, and the fixed surface of classifying screen has seted up and has divided the sieve mesh, divides the edge fixed of sieve mesh to be provided with the stock guide.

Further preferred embodiments: the whole downward sloping setting that is of equipment main part, and the slope outer end supports at the frame top simultaneously, and equipment main part outer end and outside power equipment are connected.

Further preferred embodiments: the connecting shaft is connected with the classifying screen at the same time, and the driving motor is a variable frequency speed regulating motor.

Further preferred embodiments: the grading sieve is a drum sieve, and the whole cylinder is hexagonal and is provided with middle shaft type transmission.

Further preferred embodiments: the rapping hammers are transversely distributed on the surface of the classifying screen in multiple groups and are electrically connected with an external control device.

Further preferred embodiments: the coarse material conveying pipe is integrally arranged in a downward inclined mode and is connected with the first conveying belt.

Further preferred embodiments: an external suction device is arranged between the coarse hopper and the circulating pipe at the same time, and the circulating pipe is connected with the feeding port at the same time.

Further preferred embodiments: the fine material conveying opening is formed in the bottom of the inclined end of the equipment main body and is connected with the second conveying belt.

Further preferred embodiments: the stock guide wholly is located the slope end bottom position of classifying screen, and the outside position of fine material transport mouth simultaneously divides the sieve mesh to set up to the circular port, and the edge of dividing the sieve mesh is the indent setting, and the whole protruding setting that is of triangular erection in stock guide layer.

Wherein, the classifying screen is respectively provided with a material inlet and a material outlet corresponding to the material outlet and the material inlet.

Wherein, the inside solenoid valve who is connected with external control equipment that is provided with of pan feeding mouth.

Has the advantages that:

the cement grinding grading equipment is characterized in that the equipment main body is obliquely arranged, so that when screening is carried out, the quick screening of materials and the discharge of the materials are facilitated;

the cement grinding grading equipment achieves the effect of driving the grading sieve to rotate and sieve through the driving motor and the connecting shaft, and simultaneously can adjust the quantity of materials entering the mill according to the condition of the materials in the mill, thereby achieving the effect of adjusting the condition of the mill at any time;

according to the cement grinding grading device, the hexagonal grading sieve is beneficial to scattering materials, the vibrating hammer head is used for achieving the effect of assisting the grading sieve in screening the materials, and the materials are prevented from being blocked;

according to the cement grinding grading equipment, the effect of conveying coarse materials is achieved through the coarse material conveying pipe and the first conveying belt, and meanwhile, the circulating pipe and the coarse material hopper are matched for lifting, so that the effects of conveying the coarse materials and performing circulating processing are achieved;

this kind of cement grinding classification equipment reaches the effect of carrying in concentrating the thin material that divides the sieve to go out through thin material delivery port, reaches the effect of carrying out the guide to the thick material that sieves out through the stock guide, reaches the effect of sieving the thick material thin material fast through dividing sieve mesh and guide layer.

Drawings

Fig. 1 is a sectional view of the overall structure of the present invention.

Fig. 2 is a top view of the sizing screen structure of the present invention.

Fig. 3 is a cross-sectional view of the screening hole structure of the present invention.

FIG. 4 is an enlarged view of the structure A of FIG. 1 according to the present invention

In FIGS. 1-4: the device comprises a base 1, a feeding port 2, an equipment main body 3, a classifying screen 4, a rapping hammer 5, a frame 6, a driving motor 7, a discharging port 8, a coarse material conveying pipe 9, a first conveying belt 10, a coarse material bucket lift 11, a circulating pipe 12, a second conveying belt 13, a fine material bucket lift 14, a connecting shaft 15, a sieving hole 16, a material guide layer 17, a fine material conveying port 18 and a material guide plate 19.

Detailed Description

As shown in figures 1 to 4:

the utility model provides a cement grinding grading device, which comprises a base 1, a feeding port 2, a device main body 3 and a frame 6, wherein the frame 6 is fixedly arranged at one end of the base 1, the device main body 3 is positioned at the top of the base 1, the feeding port 2 is fixedly arranged at the top end of the device main body 3, a grading sieve 4 is embedded in the device main body 3, the top end of the frame 6 is fixedly connected with a driving motor 7, the inner end of the driving motor 7 is provided with a connecting shaft 15 in a matching way, the surface of a cylinder body of the grading sieve 4 is provided with a rapping hammer head 5, the inclined bottom end of the device main body 3 is fixedly provided with a discharging port 8, the outer end of the discharging port 8 is fixedly connected with a coarse material conveying pipe 9, the surface of the base 1 is fixedly provided with a first conveying belt 10 and a second conveying belt 13, the second conveying belt 13 is positioned at the inner side of the first conveying belt 10, the outer end of the first conveying belt 10 is fixedly provided with a coarse material bucket lift 11, the top of the coarse hopper lift 11 is provided with a circulating pipe 12, the bottom of the equipment main body 3 is fixedly provided with a fine material conveying port 18, the outer end of the second conveying belt 13 is fixedly connected with a fine hopper lift 14, the inside of the classifying screen 4 is movably connected with a material guide plate 19, the surface of the classifying screen 4 is fixedly provided with a separating screen hole 16, and the edge of the separating screen hole 16 is fixedly provided with a material guide layer 17.

Wherein, the whole downward sloping setting that is of equipment principal 3, and the slope outer end supports simultaneously at 6 tops of frame, and 3 outer ends of equipment principal are connected with outside power equipment, and the equipment principal 3 that the slope set up is when dividing the sieve, is favorable to the quick screening of material and the discharge of material.

Wherein, connecting axle 15 is connected with classifying screen 4 simultaneously, and driving motor 7 sets up to variable frequency speed governing motor, through driving motor 7 and connecting axle 15, reaches the effect that drives classifying screen 4 rotation screening, can adjust into the mill material volume according to the interior material condition of grinding simultaneously, reaches the effect of adjusting the grinding condition at any time.

Wherein, classifying screen 4 sets up to the drum sieve, and whole barrel is the hexagon, and sets up to middle shaft type transmission, through being the classifying screen 4 that the hexagon set up, is favorable to breaing up of material.

Wherein, rapping hammer 5 transversely distributes the multiunit on the surface of classifying screen 4, and with external control device electric connection, reaches the effect that supplementary classifying screen 4 sieved the material through rapping hammer 5, avoids the material to block up.

Wherein, the coarse material conveying pipe 9 is integrally arranged in a downward inclination manner, and the coarse material conveying pipe 9 is simultaneously connected with the first conveying belt 10.

Wherein, be provided with outside suction equipment simultaneously between 11 and the circulating pipe 12 is carried to the coarse fodder fill, and circulating pipe 12 is connected with pan feeding mouth 2 simultaneously, reaches the effect of carrying out the transport to the coarse fodder through coarse fodder conveyer pipe 9 and

first conveyer belt

10, and 11 is carried to cooperation circulating pipe 12 and coarse fodder fill simultaneously to reach and carry the coarse fodder, carry out the effect of circulation processing.

Wherein, the fine material conveying opening 18 is arranged at the bottom of the inclined end of the main body 3 and is connected with the second conveying belt 13, and the effect of conveying the screened fine materials to the centralized ground is achieved through the fine material conveying opening 18.

The guide plate 19 is integrally located at the bottom of the inclined end of the classifying screen 4, and the outer side of the fine material conveying port 18 achieves the effect of guiding and conveying the coarse materials screened out through the guide plate 19.

Wherein, divide sieve pore 16 to set up to the circular port, and divide the edge of sieve pore 16 to be the indent setting, lead the whole protruding setting that is three corner fittings of material layer 17, reach the effect of screening coarse fodder fines fast through dividing sieve pore 16 and leading material layer 17.

The working principle is as follows:

in the specific use mode and action of the embodiment, the material enters the device main body 3 through the feeding port 2, and is thrown and dropped into the classifying screen 4 under the action of gravity along with the rotation of the device main body 3, and at the moment, the driving motor 7 drives the classifying screen 4 to rotate through the connecting shaft 15 to scatter the material;

meanwhile, the external control device controls the rapping hammer head 5 to carry out vibration and rapping on the classifying screen 4, so as to avoid material blockage, and finally, after the materials are classified, the coarse materials enter a first conveyer belt 10 through a discharge hole 8 and a coarse material conveyer pipe 9 to be conveyed to a coarse material bucket lift 11, coarse materials are conveyed into the feeding port 2 again by matching with a circulating pipe 12 and external suction equipment and enter the equipment main body 3 for secondary screening, fine materials contact a second conveying belt 13 through a fine material conveying port 18 and are collected in a concentrated fine material hopper 14, when the materials are screened, the coarse materials are separated according to the volume, when contacting the material guide layer 17 arranged in the bulge, the material guide layer is quickly concentrated at the inclined end position of the classifying screen 4, the fine materials, however, can directly enter the classifying screen holes 16 due to their small volume, and are concentrated at the bottom position between the apparatus main body 3 and the classifying screen 4 through the classifying screen holes 16.

Claims

1. A cement grinding grading device comprises a base (1), a feeding port (2), a device main body (3) and a rack (6), wherein the rack (6) is fixedly arranged at one end of the base (1), the device main body (3) is positioned at the top of the base (1), and the feeding port (2) is fixedly arranged at the top end of the device main body (3);

the method is characterized in that: a classifying screen (4) is embedded in the main body (3), the top end of the frame (6) is fixedly connected with a driving motor (7), the inner end of the driving motor (7) is provided with a connecting shaft (15) in a matching way, the surface of a cylinder body of the classifying screen (4) is provided with a rapping hammer head (5), the inclined bottom end of the main body (3) is fixedly provided with a discharge port (8), the outer end of the discharge port (8) is fixedly connected with a coarse material conveying pipe (9), the surface of the base (1) is fixedly provided with a first conveying belt (10) and a second conveying belt (13), the second conveying belt (13) is positioned at the inner side position of the first conveying belt (10), the outer end of the first conveying belt (10) is fixedly provided with a coarse material hopper lift (11), the top of the coarse material hopper lift (11) is provided with a circulating pipe (12), the bottom of the main body (3) is fixedly provided with a fine material conveying port (18), the outer end of the second conveying belt (13) is fixedly connected with a fine material hopper lift (14), the inside swing joint of classifying screen (4) has stock guide (19), and the fixed surface of classifying screen (4) has seted up and has divided sieve mesh (16), divides the edge of sieve mesh (16) to be fixed and is provided with guide material layer (17).

2. The cement grinding classification device according to claim 1, characterized in that: the whole of the equipment body (3) is arranged in a downward inclined mode, the inclined outer end of the equipment body is supported at the top of the rack (6), and the outer end of the equipment body (3) is connected with external power equipment.

3. The cement grinding classification device according to claim 1, characterized in that: the connecting shaft (15) is simultaneously connected with the classifying screen (4), and the driving motor (7) is a variable-frequency speed-regulating motor.

4. The cement grinding classification device according to claim 1, characterized in that: the grading sieve (4) is a drum sieve, and the whole cylinder is hexagonal and is provided with middle shaft type transmission.

5. The cement grinding classification device according to claim 1, characterized in that: the rapping hammers (5) are transversely distributed on the surface of the classifying screen (4) in multiple groups and are electrically connected with an external control device.

6. The cement grinding classification device according to claim 1, characterized in that: the coarse material conveying pipe (9) is integrally arranged in a downward inclined mode, and the coarse material conveying pipe (9) is connected with the first conveying belt (10) at the same time.

7. The cement grinding classification device according to claim 1, characterized in that: an external suction device is arranged between the coarse hopper lift (11) and the circulating pipe (12), and the circulating pipe (12) is connected with the feeding port (2) at the same time.

8. The cement grinding classification device according to claim 1, characterized in that: the fine material conveying opening (18) is formed in the bottom of the inclined end of the equipment main body (3) and is located above the second conveying belt (13).

9. The cement grinding classification device according to claim 1, characterized in that: the guide plate (19) is integrally located at the bottom of the inclined end of the classifying screen (4), the outer side of the fine material conveying port (18) is provided with a circular hole in the screening holes (16), the edges of the screening holes (16) are arranged in an inwards concave mode, and the guide material layer (17) is integrally arranged in a triangular mode in a protruding mode.