CN112588376B

CN112588376B - Cement processing equipment

Info

Publication number: CN112588376B
Application number: CN202011357268.2A
Authority: CN
Inventors: 查焰林
Original assignee: 浙江常山虎跃水泥有限责任公司
Current assignee: Zhejiang Changshan Huyue Cement Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2022-04-22
Anticipated expiration: 2039-07-11
Also published as: CN110339912B; CN110339912A; CN112588376A

Abstract

The invention discloses cement processing equipment, which comprises a shell; an upper grinding chamber and a lower grinding chamber formed in the housing; the rotary disc is arranged in the upper grinding chamber, the driving piece is used for driving the rotary disc to rotate, the screening piece is arranged on the side wall of the upper grinding chamber, an air pumping space is formed between the outer wall of the screening piece and the inner wall of the upper grinding chamber, and the air pumping part is communicated with the air pumping space; and crushing the grinding piece. According to the invention, the crushing and grinding piece processes the material in a centrifugal impact and grinding manner, so that the grinding and crushing effect is better; the even distribution of material is on the inner wall of last grinding chamber for all materials homoenergetic receive complete even grinding, and the material grinds effectually, and weak point consuming time, and whole process realizes high-efficient high grinding precision.

Description

Cement processing equipment

Technical Field

The invention belongs to the technical field of cement preparation, and particularly relates to cement processing equipment.

Background

In the cement preparation process, the powder grinding treatment needs to be carried out by the ball mill, the traditional grinding machine is horizontal, the grinding balls are driven to a certain height by the outer barrel through continuous rotation of the outer barrel, and then the grinding balls fall downwards and hit the ore, so that the impact and grinding effects on the ore are achieved. However, in the above structure, the height of the grinding balls to be carried away is limited, and the acting force of the grinding balls to the ore is small, so that the grinding effect on the ore is difficult to achieve an ideal state, the processed ore has high unqualified rate, and the processing efficiency is low.

Disclosure of Invention

The invention provides cement processing equipment with good processing effect and high efficiency to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a cement processing apparatus comprising

A housing;

an upper grinding chamber and a lower grinding chamber formed in the housing;

the rotary disc is arranged in the upper grinding chamber, the driving piece is used for driving the rotary disc to rotate, the screening piece is arranged on the side wall of the upper grinding chamber, an air pumping space is formed between the outer wall of the screening piece and the inner wall of the upper grinding chamber, and the air pumping part is communicated with the air pumping space;

the crushing and grinding piece is arranged in the upper grinding chamber and is used for impacting the screening piece under the action of centrifugal force when the rotating disc rotates;

the movable seat can move up and down and is arranged in the upper grinding chamber, and the rotating disc and the driving piece are arranged on the movable seat;

the displacement driving device is used for driving the movable seat to move up and down, is arranged in the lower grinding chamber and is connected with the movable seat at the upper part;

and the discharging component is used for conveying the materials in the upper grinding chamber to the lower grinding chamber.

According to the invention, the shell is vertically arranged and is further divided into an upper grinding chamber and a lower grinding chamber, the crushing and grinding piece flies out under the action of centrifugal force by adopting a rotating mode of the rotating disc, the crushing and grinding piece impacts materials, the impact force acting on the materials is large, and the grinding and crushing effect is better; the air exhaust part is arranged and the moving seat is matched, so that materials on the moving seat can be uniformly distributed on the inner wall of the upper grinding chamber under the suction effect of the air exhaust part, the situation that the materials are stacked on the lower portion of the upper grinding chamber cannot occur, all the materials can be completely and uniformly ground, the material grinding effect is good, time consumption is short, and the whole process realizes high-efficiency and high-grinding precision.

The screening element comprises a first filter screen layer, a second filter screen layer, filter cloth arranged between the first filter screen layer and the second filter screen layer, an upper end cover and a lower end cover, wherein the upper ends of the first filter screen layer, the second filter screen layer and the filter cloth are arranged in the upper end cover in a penetrating manner, and the lower ends of the first filter screen layer, the second filter screen layer and the filter cloth are arranged in the lower end cover in a penetrating manner; an annular groove for inserting the lower end cover is formed in the upper grinding chamber, a cover plate is connected to the upper portion of the upper grinding chamber, and an extending portion abutting against the upper end cover is arranged on the cover plate; the filter cloth can completely screen the ground materials, so that even if the powdery materials are not pumped out of the grinding chamber by the air pumping part, the materials are prevented from running off, and the air pumping part is prevented from being damaged; the filter cloth is arranged between the first filter screen layer and the second filter screen layer, so that the first filter screen layer and the second filter screen layer stably support the filter cloth, and when a grinding piece impacts the filter screen piece, compared with a structure only provided with the filter cloth, the grinding piece is not easy to excessively deform or damage under the impact of the grinding piece, and the service life of equipment is prolonged; the first filter screen layer can filter in advance, so that materials accumulated on the filter cloth cannot be excessive, and the time for keeping the filter cloth smooth is prolonged; in the grinding process, after the grinding machine works for a period of time, the air exhaust part stops working, materials adsorbed on the side wall of the upper grinding chamber can fall down under the action of gravity, the rotating disc continues to work, the grinding part impacts the first filter layer, the first filter layer and the second filter layer shake, and then materials blocked in the sieve holes of the first filter layer are directly shaken out; then the displacement driving device drives the movable seat to move upwards, the material on the movable seat is driven to the highest position of the upper grinding chamber, the air exhaust part is started, the movable seat moves downwards at the same time, the material is uniformly adsorbed on the inner wall of the upper grinding chamber again, and uniform impact and grinding on the material are realized again; under this kind of mode, the rolling disc need not to stop the action, and the clear stifled operation of can accomplishing need not to shut down to the machine of grinding, and is easy and simple to handle, need not to carry out equipment restart, and is efficient, equipment long service life.

The air extraction part comprises an air extraction cover covered on the outer wall of the upper grinding chamber, an air extraction cavity arranged in the air extraction cover, a circle of air extraction holes arranged on the side part of the upper grinding chamber and an air extraction pipe connected with the air extraction cover; one end of the air exhaust hole is communicated with the air exhaust cavity, the other end of the air exhaust hole is communicated with the air exhaust space, and the air exhaust pipe is communicated with the air exhaust cavity; the adoption is taken out the even distribution of cover and is bled the power for the suction that each department of chamber received of bleeding keeps unanimous, thereby makes the suction that the upper grinding room lateral wall received keep even unanimous, and the material is more even at the condition that distributes on the upper grinding room inner wall, thereby the impact that the later stage received and grinding effect are more good.

A plurality of convex edges are uniformly distributed on the upper surface of the rotating disc at intervals along the circumferential direction, a concave cavity is arranged on the moving seat, the rotating disc is arranged in the concave cavity, an installation groove is formed in the concave cavity, and the driving piece is arranged in the installation groove; the movable seat is also provided with a guide cavity communicated with the concave cavity, and the inner wall of the guide cavity is obliquely arranged; the arrangement of the convex edges ensures that the rotating disc does not slip relative to the rotating disc when rotating, the convex edges serve as impact grinding pieces to enable the grinding pieces to fly outwards, the action force of the grinding pieces impacting on materials is stronger, and the grinding processing effect is enhanced; the inclination of direction chamber inner wall sets up for leaning out to it is unanimous with the orbit direction that grinds the outside departure, has effectively avoided grinding the condition that piece striking to direction chamber inner wall when outside departure, further avoids grinding the subduction of piece to material striking dynamics.

The displacement driving device is two driving pieces, the lower grinding chamber outer cover is provided with a base cover, an installation space is formed between the inner wall of the base cover and the outer wall of the lower grinding chamber, the driving pieces are arranged in the installation space, and the driving pieces partially penetrate through the bottom of the upper grinding chamber and then are fixedly connected with the moving seat.

The movable seat is detachably connected with an annular connecting piece through a screw, an annular movable groove is arranged in the connecting piece, a floating piece and a plurality of elastic pieces which can reciprocate relative to the movable groove are arranged in the movable groove, one end of each elastic piece is connected with the inner wall of the movable groove, and the other end of each elastic piece is connected with the floating piece; the floating piece comprises a first C-shaped part, a second C-shaped part, a first elastic connecting piece and a second elastic connecting piece, wherein one end of the first elastic connecting piece is connected with the head part of the first C-shaped part, and the other end of the first elastic connecting piece is connected with the tail part of the second C-shaped part; one end of the second elastic connecting piece is connected with the tail part of the first C-shaped part, and the other end of the second elastic connecting piece is connected with the head part of the second C-shaped part; under the structure, when the movable seat moves up and down, the floating part can always keep a state of being completely attached to the inner wall of the upper grinding chamber to move, so that the condition that materials fall downwards to the lower part of the movable seat from a gap between the movable seat and the side wall of the upper grinding chamber is effectively avoided, and the materials entering the lower grinding chamber are all materials meeting the specification; the connecting piece can be disassembled and assembled relative to the movable seat through the screw, so that the connecting piece can be independently maintained and replaced, and the maintenance cost is low; and when the sieve filter element needs to be replaced, the sieve filter element can be pulled out outwards after the connecting element is detached, the movable seat does not need to be detached, and the operation is more convenient.

The discharging part comprises a discharging port arranged on the rotating disc, two discharging channels arranged on the lower surface of the upper grinding chamber and corresponding to the discharging port, a plugging piece capable of acting up and down to close the discharging port and two air cylinder pieces driving the plugging piece to act up and down; the left side wall and the right side wall of the plugging piece are obliquely arranged; under the normal working state, the blocking piece closes the discharge hole, so that the materials cannot fall downwards from the discharge hole; the slope setting of shutoff piece lateral wall for guide material whereabouts for the shutoff piece is opening the discharge gate after, and the material is changeed and is dropped downwards along the gradient of shutoff piece, and blanking speed is accelerated.

The lower grinding chamber is internally provided with grinding balls, a groove arranged in the lower grinding chamber, an inclined wall formed on the side wall of the groove, a grinding turntable rotatably arranged in the groove, a motor connected with the grinding turntable and a plurality of impact convex strips arranged on the grinding turntable, and the motor is embedded on the bottom wall of the lower grinding chamber; the material is ground by adopting the centrifugal impact and grinding modes of the grinding piece, the grinding effect is better, the finally obtained powder particles are small, and the processing efficiency is high.

According to the invention, the crushing and grinding piece processes the material in a centrifugal impact and grinding manner, so that the grinding and crushing effect is better; the even distribution of material is on the inner wall of last grinding chamber for all materials homoenergetic receive complete even grinding, and the material grinds effectually, and weak point consuming time, and whole process realizes high-efficient high grinding precision.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a cross-sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a partially enlarged view of fig. 3.

Fig. 6 is a schematic structural view of a screening element according to the present invention.

Fig. 7 is a schematic view of the structure of the rotating disk of the present invention.

FIG. 8 is a schematic structural diagram of the movable base of the present invention.

Fig. 9 is a front view of fig. 3.

Fig. 10 is a schematic view of the construction of the float member of the present invention.

Detailed Description

As shown in fig. 1 to 10, a cement processing apparatus comprises a housing 1, an upper grinding chamber 11 and a lower grinding chamber 12 formed in the housing, a rotating disk 3 disposed in the upper grinding chamber, a driving member 4 for driving the rotating disk to rotate, a screening member 5 disposed on a side wall of the upper grinding chamber, an air-extracting space 6 formed between an outer wall of the screening member and an inner wall of the upper grinding chamber, an air-extracting member communicated with the air-extracting space, a crushing and grinding member 13 disposed in the upper grinding chamber, a movable seat 14 disposed in the upper grinding chamber and capable of moving up and down, a displacement driving device 15 for driving the movable seat 14 to move up and down, and a displacement driving device 15 for driving the movable seat 14 to move up and down; the crushing and grinding part 13 is used for impacting the screening part under the action of centrifugal force when the rotating disc rotates, the rotating disc 3 and the driving part are arranged on the moving seat 14, the displacement driving device 15 is arranged in the lower grinding chamber 12, the upper part of the displacement driving device is connected with the moving seat, and the discharging part is used for conveying materials in the upper grinding chamber 11 to the lower grinding chamber 12.

Specifically, the screening element 5 comprises a first screen layer 51, a second screen layer 52, a filter cloth 53 arranged between the first screen layer and the second screen layer, an upper end cover 54 and a lower end cover 55, wherein the first screen layer 51 and the second screen layer 52 are stainless steel screen meshes, the filter cloth 53 is directly purchased from the market, and the upper end cover and the lower end cover are both made of stainless steel; the upper ends of the first filter screen layer 51, the second filter screen layer 52 and the filter cloth 53 are arranged in the upper end cover 54 in a penetrating way, and the lower ends are arranged in the lower end cover 55 in a penetrating way; in order to achieve the positioning of the screening elements, we provide an annular groove 111 in the upper grinding chamber 11, and connect a cover plate 112 to the upper part of the upper grinding chamber 11, and the part of the lower surface of the cover plate 112 corresponding to the upper grinding chamber extends downwards to form a cylindrical extension 113; when the screening element is installed in the upper grinding chamber, the lower end cover of the screening element is inserted into the annular groove 111, and the upper end cover of the screening element abuts against the extension part 113.

The air extracting component comprises an air extracting cover 71 covered on the outer wall of the upper grinding chamber, an air extracting cavity 72 arranged in the air extracting cover, a circle of air extracting holes 73 arranged on the side part of the upper grinding chamber and an air extracting pipe 74 connected with the air extracting cover; the circles of the air pumping holes 73 are uniformly distributed at intervals along the outer circumference direction of the upper grinding chamber, one end of each air pumping hole is communicated with the air pumping cavity 72, the other end of each air pumping hole is communicated with the air pumping space 6, and the air pumping pipe 74 is communicated with the air pumping cavity 72; the air extraction pipe 74 is connected to an external air extraction pump, which is commercially available directly, and the structure and working principle are not described in detail.

A plurality of convex ribs 31 are uniformly distributed on the upper surface of the rotating disc 3 at intervals along the circumferential direction, the rotating disc is made of stainless steel, and the convex ribs extend along the circumferential direction of the rotating disc and are fixedly connected to the rotating disc through welding; the moving seat 14 is made of stainless steel, a concave cavity 141 is formed in the moving seat, the rotating disc 3 is arranged in the concave cavity 141, and the upper surface of the rotating disc is flush with the upper surface of the concave cavity; the concave cavity is internally provided with a mounting groove 142, the driving part 4 is arranged in the mounting groove, the driving part 4 comprises a motor, a circular gear arranged on an output shaft of the motor and a gear fixedly connected with the lower surface of the rotating disc, the torque applied to the output shaft of the motor is reduced through the transmission of the gear, and the service life of the motor is prolonged; the movable seat 14 is further provided with a guide cavity 143 communicated with the recessed cavity, and an inner wall of the guide cavity 143 is disposed in an inclined manner.

The displacement driving device 15 is two second driving pieces 151, the driving pieces are hydraulic rods, the lower grinding chamber is covered with a base cover 121, an installation space 122 is formed between the inner wall of the base cover 121 and the outer wall of the lower grinding chamber 12, the second driving pieces 151 are arranged in the installation space 122, a piston rod part of the second driving pieces 151 penetrates through the bottom of the upper grinding chamber 11 and then is fixedly connected with the movable seat 14, and therefore the two driving pieces can be simultaneously started to drive the movable seat to move up and down.

The movable seat 14 is detachably connected with an annular connecting piece 81 through a screw, an annular movable groove 811 is arranged in the connecting piece, a floating piece 82 and a plurality of elastic pieces 83 which can reciprocate relative to the movable groove are arranged in the movable groove, the elastic pieces 83 are springs, one end of each elastic piece 83 is connected with the inner wall of the corresponding movable groove, and the other end of each elastic piece 83 is connected with the corresponding floating piece 82; the floating member 82 comprises a first C-shaped part 821, a second C-shaped part 822, a first elastic connecting member 823 and a second elastic connecting member 824, wherein one end of the first elastic connecting member is connected with the head part of the first C-shaped part, and the other end of the first elastic connecting member is connected with the tail part of the second C-shaped part; one end of the second elastic connecting piece is connected with the tail part of the first C-shaped part, and the other end of the second elastic connecting piece is connected with the head part of the second C-shaped part; the first elastic connecting member 823 and the second elastic connecting member 824 are both rubber blocks and can deform when subjected to external force, and the connecting member 81, the first C-shaped portion 821 and the second C-shaped portion 822 are all made of metal, preferably made of stainless steel.

Further, the discharging part comprises a discharging port 91, two discharging channels 92, a blocking piece 93 and two cylinder pieces 94; the plurality of discharge holes 91 are uniformly distributed on the rotating disc at intervals along the circumferential direction of the rotating disc; the two discharging channels 92 are arranged on the lower surface of the upper grinding chamber and correspond to the discharging holes in position; the blocking piece 93 is made of stainless steel and can move up and down relative to the rotating disc so as to close or open the blocking piece 93 of the discharge port, the two cylinder pieces 94 are directly purchased from the market, the lower parts of the cylinder pieces 94 are fixedly arranged at the bottom of the upper grinding chamber, the upper parts of the cylinder pieces are connected with the blocking piece, the blocking piece is driven to move up and down when the cylinder pieces are started, and preferably, the left side wall and the right side wall of the blocking piece 93 are obliquely arranged.

The lower grinding chamber 12 comprises grinding balls 123, a groove 124 arranged in the lower grinding chamber, an inclined wall 125 formed on the side wall of the groove, a grinding turntable 126 rotatably arranged in the groove, a motor 127 connected with the grinding turntable, and a plurality of impact convex strips 128 arranged on the grinding turntable, wherein the motor 127 is embedded on the bottom wall of the lower grinding chamber 12; the grinding balls and the crushing grinding piece are stainless steel balls, the grinding turntable and the impact raised line are made of metal, and the motor is directly purchased in time.

The specific working principle is that after the materials are put into the upper grinding chamber, the cover plate is covered on the upper part of the shell, and then the moving piece is driven by the hydraulic rod to move upwards to drive the materials to move to the highest position of the upper grinding chamber; then the air pump is started, and simultaneously the moving seat drives the materials on the air pump to move downwards, so that the materials are uniformly adsorbed on the screening element; after the belt moving seat moves to the initial position, the motor is started to drive the rotating disc to rotate, the crushing and grinding piece flies outwards under the action of centrifugal force to impact materials on the screening piece, and the materials are crushed and ground; after the grinding machine works for a period of time, the air pump stops working, the materials adsorbed on the side wall of the upper grinding chamber fall down under the action of gravity, the workpiece is rotated continuously, the grinding piece impacts the screening piece to enable the screening piece to shake, and the materials in the sieve holes are shaken out; then the displacement driving device drives the movable seat to move upwards, the material on the movable seat is driven to the highest position of the upper grinding chamber, the air suction pump is started, meanwhile, the movable seat moves downwards, the material is uniformly adsorbed on the inner wall of the upper grinding chamber again, and uniform impact and grinding on the material are realized again; after working for a period of time, the operation is carried out again, and the operation is repeated for a plurality of times.

Claims

1. A cement processing equipment which is characterized in that: comprises that

A housing (1);

an upper grinding chamber (11) and a lower grinding chamber (12) formed in the housing;

the grinding machine comprises a rotating disc (3) arranged in an upper grinding chamber, a driving piece (4) used for driving the rotating disc to rotate, a screening piece (5) arranged on the side wall of the upper grinding chamber, an air exhaust space (6) formed between the outer wall of the screening piece and the inner wall of the upper grinding chamber, and an air exhaust part communicated with the air exhaust space;

a crushing and grinding member (13) arranged in the upper grinding chamber and used for impacting the screening member under the action of centrifugal force when the rotating disc rotates;

the movable seat (14) can move up and down and is arranged in the upper grinding chamber, and the rotating disc (3) and the driving piece are arranged on the movable seat (14);

the displacement driving device (15) is used for driving the moving seat (14) to move up and down, is arranged in the lower grinding chamber (12), and is connected with the moving seat at the upper part;

the discharging component is used for conveying the materials in the upper grinding chamber (11) to the lower grinding chamber (12);

the screening element (5) comprises a first screen layer (51), a second screen layer (52), filter cloth (53) arranged between the first screen layer and the second screen layer, an upper end cover (54) and a lower end cover (55), wherein the upper ends of the first screen layer (51), the second screen layer (52) and the filter cloth (53) are arranged in the upper end cover (54) in a penetrating manner, and the lower ends of the first screen layer, the second screen layer and the filter cloth (53) are arranged in the lower end cover (55) in a penetrating manner; an annular groove (111) for inserting a lower end cover is arranged in the upper grinding chamber (11), a cover plate (112) is connected to the upper part of the upper grinding chamber (11), and an extension part (113) which is abutted against the upper end cover is arranged on the cover plate (112);

the air extraction part comprises an air extraction cover (71) covered on the outer wall of the upper grinding chamber, an air extraction cavity (72) arranged in the air extraction cover, a circle of air extraction holes (73) arranged on the side part of the upper grinding chamber and an air extraction pipe (74) connected with the air extraction cover; one end of the air suction hole (73) is communicated with the air suction cavity (72), the other end of the air suction hole is communicated with the air suction space (6), and the air suction pipe (74) is communicated with the air suction cavity (72);

a plurality of convex ribs (31) are uniformly distributed on the upper surface of the rotating disc (3) at intervals along the circumferential direction, a concave cavity (141) is arranged on the moving seat (14), the rotating disc (3) is arranged in the concave cavity (141), a mounting groove (142) is formed in the concave cavity, and the driving piece (4) is arranged in the mounting groove; the movable seat (14) is also provided with a guide cavity (143) communicated with the concave cavity, and the inner wall of the guide cavity (143) is obliquely arranged;

the displacement driving device (15) is composed of two second driving pieces (151), the lower grinding chamber is covered with a base cover (121), an installation space (122) is formed between the inner wall of the base cover (121) and the outer wall of the lower grinding chamber (12), the second driving pieces (151) are arranged in the installation space (122), and the second driving pieces (151) partially penetrate through the bottom of the upper grinding chamber (11) and then are fixedly connected with the moving seat (14);

the movable seat (14) is detachably connected with an annular connecting piece (81) through a screw, an annular movable groove (811) is arranged in the connecting piece, a floating piece (82) and a plurality of elastic pieces (83) which can reciprocate relative to the movable groove are arranged in the movable groove, one end of each elastic piece (83) is connected with the inner wall of the corresponding movable groove, and the other end of each elastic piece (83) is connected with the corresponding floating piece (82); the floating piece (82) comprises a first C-shaped part (821), a second C-shaped part (822), a first elastic connecting piece (823) and a second elastic connecting piece (824), wherein one end of the first elastic connecting piece is connected with the head part of the first C-shaped part, and the other end of the first elastic connecting piece is connected with the tail part of the second C-shaped part; one end of the second elastic connecting piece is connected with the tail part of the first C-shaped part, and the other end of the second elastic connecting piece is connected with the head part of the second C-shaped part;

the discharging part comprises a discharging port (91) arranged on the rotating disc, two discharging channels (92) arranged on the lower surface of the upper grinding chamber and corresponding to the discharging port, a blocking piece (93) capable of moving up and down to close the discharging port and two air cylinder pieces (94) driving the blocking piece to move up and down; the left side wall and the right side wall of the plugging piece (93) are obliquely arranged;

the lower grinding chamber (12) comprises grinding balls (123), a groove (124) arranged in the lower grinding chamber, an inclined wall (125) formed on the side wall of the groove, a grinding turntable (126) rotatably arranged in the groove, a motor (127) connected with the grinding turntable and a plurality of impact convex strips (128) arranged on the grinding turntable, wherein the motor (127) is embedded on the bottom wall of the lower grinding chamber (12).