Cement raw material treatment equipment with screening function

Abstract

The invention discloses cement raw material treatment equipment with a screening function, and relates to the technical field of cement production equipment. The device comprises a screening round bin, a cement raw material treatment bin and a mounting mechanism; the mounting mechanism comprises a mounting base, a supporting main shaft and a fixed top frame; a supporting main shaft is fixed on the mounting base; the screening round bin comprises a round screen, a material guide ring and a feeding cover; a feeding cover is fixed to the material guiding ring, a circular screen is fixed to the material guiding ring, a material guiding channel is formed in the material guiding ring, and a cement raw material treatment bin is fixed to the material guiding ring; the bottom of the supporting main shaft is matched with a screening round bin and a rotating hollow shaft. Fixed beams are uniformly arrayed on the rotating hollow shaft, and the outer end parts of the fixed beams are fixed on the feeding cover; and the driving motor is in meshing transmission with the rotating hollow shaft. Through the effects of the screening round bin, the cement raw material treatment bin and the mounting mechanism, the screening efficiency, the screening effect and the screening sufficiency are improved, and the production efficiency and enterprise benefits are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of cement production equipment, and in particular relates to cement raw material processing equipment with a screening function. Background Art

[0002] Cement is a powdery, hydraulic inorganic cementitious material. It becomes a slurry after adding water and stirring. It can harden in the air or better in water, and can firmly bond sand, stone and other materials together. The early mixture of lime and volcanic ash is very similar to the modern lime volcanic ash cement. It is used to bond concrete made of crushed stone. After hardening, it not only has high strength, but also can resist the erosion of fresh water or salt water. Cement raw materials are the basic materials required for the production of cement, and the main component is limestone. For a long time, it has been widely used as an important cementitious material in civil construction, water conservancy and other projects.

[0003] Among them, the particle size of cement raw materials directly affects the calcination efficiency and the quality of finished products. The raw materials are graded through screens with different apertures to ensure the uniformity of the particles and improve the efficiency of subsequent crushing, grinding and calcination. Unqualified raw materials can also be screened and separated to avoid them entering the calcination link and causing energy waste. At the same time, unqualified raw materials can be recycled and reused. After the cement raw materials are graded according to the particle size, they need to be stirred and mixed with calcium, silicon, aluminum and other raw materials in proportion, and clinker calcined and other processes are carried out to finally form cement products. The existing cement raw material processing equipment has a poor screening effect, and after screening, secondary processing is required before re-screening, resulting in a low screening efficiency. The present invention designs a cement raw material processing equipment with screening function. Summary of the invention

[0004] The purpose of the present invention is to provide a cement raw material processing equipment with screening function. Through the functions of the screening silo, the cement raw material processing silo and the mounting mechanism, the cement raw materials will be screened in the process of sliding and tumbling on the slope, and screening and crushing operations can be performed at the same time, thereby solving the above-mentioned problems of poor screening effect and low screening efficiency.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention discloses a cement raw material processing equipment with screening function, comprising a screening silo, a cement raw material processing silo and a mounting mechanism; the mounting mechanism comprises a mounting base, a supporting spindle and a fixed top frame; the mounting base is provided with an inclined surface on the top, the mounting base is fixedly provided with a supporting spindle at the center of the inclined surface, the supporting spindle is fixedly provided with a fixed top frame on the top, and an auxiliary supporting column is fixedly provided with a bottom of the fixed top frame; the screening silo comprises a circular screen, a material guide ring and a feed cover; the feed cover is fixedly provided with a circular screen on the top of the material guide ring, the bottom of the material guide ring is fixedly provided with a material guide channel evenly provided on the circumferential side of the material guide ring, and the cement raw material processing silo is fixedly provided with the material guide ring at the outer end of the material guide channel; the screening silo is penetrated through the bottom of the supporting spindle and rotatably matched, The top of the supporting main shaft is rotatably matched with a rotating hollow shaft; fixed beams are evenly arrayed on the circumferential side of the bottom of the rotating hollow shaft, and the outer ends of the fixed beams are fixedly installed on the bottom surface of the feed cover; a driving motor is fixedly installed on the bottom surface of the fixed top frame, and the output shaft of the driving motor is meshed with the top of the rotating hollow shaft for transmission; the screening circular silo and the cement raw material processing silo rotate on the inclined plane, so that the screening circular silo performs a swing screening operation on the cement raw materials; at the same time, the cement raw material processing silo crushes the large-particle cement raw materials that have not passed through the circular screen, and screens them again; the mounting mechanism provides an inclined support for the screening circular silo, and the driving motor provides rotational power for the screening circular silo; the driving motor controls the rotation speed of the rotating hollow shaft and the screening circular silo through the gearbox.

[0007] As a preferred technical solution of the present invention, the screening circular silo is in an inclined state, and a bearing is installed between the supporting main shaft and the screening circular silo; a material guide plate is provided in a circular array on the upper surface of the circular screen; a material shifting plate is provided in a circular array above the material guide plate of the supporting main shaft; the function of the material guide plate is to enable the cement raw materials to be screened on the circular screen along the moving path of the material guide plate when they are poured out from the cement raw material processing bin; the function of the material shifting plate is to shift the cement raw materials accumulated above the material guide plate and disperse them to achieve a full screening effect.

[0008] As a preferred technical solution of the present invention, a row of high-pressure recoil air nozzles and several rows of cleaning brushes are fixedly installed on the supporting main shaft below the circular screen; the function of the high-pressure recoil air nozzles is to perform high-pressure gas recoil to clear the cement raw materials that are blocked by the circular screen; the cleaning brushes are used to remove particles on the circular screen that are difficult to remove.

[0009] As a preferred technical solution of the present invention, the cement raw material processing bin is a cylindrical structure; the cement raw material processing bin includes a grinding bin and a crushing bin; the grinding bin and the crushing bin are arranged in a circular array with alternating installation positions on the circumferential side of the screening circular bin; the purpose of the alternating arrangement of the grinding bin and the crushing bin is to increase the probability of large-particle cement raw materials entering them for grinding or crushing processing, so as to achieve the effect of screening particle size as soon as possible; a motor is fixedly installed on the outer end of each cement raw material processing bin, and a grinding roller is fixedly installed on the output shaft of the motor on the grinding bin, and the circumferential side of the grinding roller is extruded and matched with the inner wall of the grinding bin; a blade is fixedly installed on the output shaft of the motor on the crushing bin.

[0010] As a preferred technical solution of the present invention, the cement raw material processing bin also includes a waste bin, which is fixedly installed at the material guide channel on the circumferential side of the material guide ring; a guide chute is provided on the inner wall of the material guide ring; a feed port is provided on the top of the feed cover; a dustproof ring is fixedly connected to the bottom surface of the circular screen; a narrowing groove is provided on the circumferential side of the supporting main shaft; the circumferential side of the dustproof ring cooperates with the inner wall of the top of the narrowing ring; the function of the guide chute is to reduce the possibility of cement raw materials staying on the inner wall of the material guide ring, and to enter the cement raw material processing bin for processing as much as possible.

[0011] As a preferred technical solution of the present invention, a material mixing trough is fixedly installed at the bottom of the dustproof ring below the inclined surface, and a feeding port is provided on the inclined surface above the material mixing trough; the elevation angle range of the inclined surface is 15°-70°; a leakage slot is provided on the side surface of the material mixing trough; when other materials of different particle sizes such as aggregates need to be added to the cement raw materials, the materials can be added through the feeding port; the aggregates and other materials fall into the material mixing trough through the feeding port, and when the dustproof ring rotates with the screening silo, the aggregates and other materials will also slide through the leakage slot to the bottom of the narrowing ring; at this time, the cement raw materials are continuously and relatively evenly scattered with the aggregates and other materials in the narrowing ring, so as to achieve a certain degree of stirring effect and reduce the stirring time required for subsequent stirring.

[0012] The present invention has the following beneficial effects:

[0013] 1. The present invention uses the functions of the screening silo, the cement raw material processing silo and the installation mechanism to install the screening silo on the inclined plane for rotary screening operation, so that the cement raw materials will be in the process of sliding and rolling on the inclined plane for screening effect; so as to achieve the movement state of the cement raw materials swinging up and down; and perform screening and crushing operations at the same time, specifically improving the screening efficiency, screening effect and screening adequacy, as well as the advantages of improving production efficiency and enterprise benefits.

[0014] 2. The present invention realizes the effect of adding materials and stirring by using the screening silo, the material mixing trough and the material leakage notch, which has the advantages of reducing subsequent production processes, saving the time required for sufficient stirring and improving production efficiency.

[0015] 3. The present invention achieves the effect of clearing the blockage of the circular screen through the action of the high-pressure recoil air nozzle and the cleaning brush, thereby ensuring the advantages of screening effect and screening efficiency during the continuous operation of the equipment.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a cement raw material processing device with screening function of the present invention;

[0019] Figure 2 It is a structural side view of a cement raw material processing equipment with screening function of the present invention;

[0020] Figure 3 It is a structural perspective view of a cement raw material processing device with screening function according to the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the screening silo and cement raw material processing silo;

[0022] Figure 5 It is a partial structural schematic diagram of a circular screen and a rotating hollow shaft;

[0023] Figure 6 It is a schematic diagram of the structure of the material guide ring, cement raw material processing bin and dustproof ring;

[0024] Figure 7 It is a structural perspective view of the material guide ring, cement raw material processing bin and dustproof ring;

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1-screening silo, 2-cement raw material processing silo, 3-installation mechanism, 4-rotating hollow shaft, 5-driving motor, 6-feeding port, 7-feeding port, 101-circular screen, 102-material guide ring, 103-feeding cover, 104-material guide channel, 105-material guide plate, 106-material paddle plate, 107-high-pressure recoil air nozzle, 108-cleaning brush, 109-guide chute, 201-grinding silo, 202-crushing silo, 203-motor, 204-grinding roller, 205-blade, 206-waste silo, 301-installation base, 302-support spindle, 303-fixed top frame, 304-inclined surface, 305-auxiliary support column, 306-dustproof ring, 307-narrowing ring, 308-material leveling trough, 309-leakage notch, 401-fixed beam. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Embodiment 1

[0029] See also Figure 1-7As shown, the present invention is a cement raw material processing equipment with screening function, including a screening round silo 1, a cement raw material processing silo 2 and a mounting mechanism 3; the mounting mechanism 3 includes a mounting base 301, a supporting spindle 302 and a fixed top frame 303; an inclined surface 304 is provided on the top of the mounting base 301, a supporting spindle 302 is fixedly installed at the center of the inclined surface 304 of the mounting base 301, a fixed top frame 303 is fixedly installed on the top of the supporting spindle 302, and a fixed top frame 303 is fixedly installed on the bottom of the fixed top frame 303. Auxiliary support column 305; the screening silo 1 includes a circular screen 101, a guide ring 102 and a feed cover 103; the feed cover 103 is fixedly installed on the top of the guide ring 102, the circular screen 101 is fixedly installed on the bottom of the guide ring 102, and the guide channel 104 is evenly opened on the side of the guide ring 102. The guide ring 102 is fixedly installed with a cement raw material processing silo 2 at the outer end of the guide channel 104; the bottom of the support main shaft 302 passes through and rotates with the screening silo 1, and the support The top of the main shaft 302 is rotatably matched with a rotating hollow shaft 4; fixed beams 401 are evenly arrayed on the circumferential side of the bottom of the rotating hollow shaft 4, and the outer ends of the fixed beams 401 are fixedly mounted on the bottom surface of the feed cover 103; a driving motor 5 is fixedly mounted on the bottom surface of the fixed top frame 303, and the output shaft of the driving motor 5 is meshed with the top of the rotating hollow shaft 4 for transmission; the screening silo 1 and the cement raw material processing silo 2 rotate on the inclined surface 304, so that the screening silo 1 performs a swing screening operation on the cement raw material; at the same time, the cement raw material processing silo 2 crushes the large-particle cement raw materials that have not passed through the circular screen 101, and screens them again; the mounting mechanism 3 provides an inclined support for the screening silo 1, and the driving motor 5 provides a rotating power for the screening silo 1; the driving motor 5 controls the rotation speed of the rotating hollow shaft 4 and the screening silo 1 through the gearbox, and its rotation speed should not be too fast, and its rotation speed should not exceed 20r / min; the appropriate rotation speed range should be controlled at 3-8r / min.

[0030] Among them Figure 5 As shown, the screening silo 1 is in an inclined state, and a bearing is installed between the supporting main shaft 302 and the screening silo 1; a material guide plate 105 is arranged in a circular array on the upper surface of the circular screen 101; the supporting main shaft 302 is provided with a material shifting plate 106 in a circular array above the material guide plate 105; the function of the material guide plate 105 is to enable the cement raw materials to be screened on the circular screen 101 along the moving path of the material guide plate 105 when the cement raw materials are poured out from the cement raw materials processing silo 2; the function of the material shifting plate 106 is to shift the cement raw materials accumulated above the material guide plate 105 and disperse them to achieve a sufficient screening effect.

[0031] Among them Figure 6-7As shown, the cement raw material processing bin 2 is a cylindrical structure; the cement raw material processing bin 2 includes a grinding bin 201, a crushing bin 202, and a waste bin 206; the grinding bin 201 and the crushing bin 202 are arranged in a circular array with alternating installation positions on the side of the screening circular bin 1; the purpose of the alternating arrangement of the grinding bin 201 and the crushing bin 202 is to increase the probability of large-particle cement raw materials entering them for grinding or crushing processing, so as to achieve the effect of screening particle size as soon as possible; the outer end of each cement raw material processing bin 2 is fixedly installed with a motor 203, and the output shaft of the motor 203 on the grinding bin 201 is fixedly installed with a grinding roller 204, and the side surface of the grinding roller 204 is extruded and matched with the inner wall of the grinding bin 201; the output shaft of the motor 203 on the crushing bin 202 is fixedly installed with a blade 205; the waste bin 206 is fixedly installed at the guide channel 104 on the side surface of the guide ring 102.

[0032] Among them Figure 3 and Figure 6 As shown, a dustproof ring 306 is fixedly connected to the bottom surface of the circular screen 101; a narrowing groove 307 is provided on the inclined surface 304 around the supporting main shaft 302; the side surface of the dustproof ring 306 cooperates with the inner wall of the top of the narrowing ring 307; a guide groove 109 is provided on the inner wall of the guide ring 102; a feed port 7 is provided on the top of the feed cover 103; the function of the guide groove 109 is to reduce the possibility of cement raw materials staying on the inner wall of the guide ring 102, and to allow as much as possible of the cement raw materials to enter the cement raw material processing bin 2 for processing.

[0033] Embodiment 2

[0034] Based on the first embodiment, a more preferred technical solution is provided. Figure 5-6 As shown, a row of high-pressure recoil air nozzles 107 and several rows of cleaning brushes 108 are fixedly installed on the supporting main shaft 302 below the circular screen 101; the function of the high-pressure recoil air nozzles 107 is to perform high-pressure gas recoil to clear the cement raw materials that are blocked by the circular screen 101; the cleaning brushes 108 are used to remove particles on the circular screen 101 that are difficult to remove.

[0035] Among them Figure 3As shown, the elevation angle of the inclined surface 304 is set to 30° or 45°; a material mixing groove 308 is fixedly installed at the bottom of the dustproof ring 306 below the inclined surface 304, and a feeding port 6 is provided on the inclined surface 304 above the material mixing groove 308; a leakage groove 309 is provided on the side surface of the material mixing groove 308; when other materials such as aggregates of different particle sizes need to be added to the cement raw material, the materials can be added through the feeding port 6; the aggregates and other materials fall into the material mixing groove 308 through the feeding port 6, and when the dustproof ring 306 rotates with the screening silo 1, the aggregates and other materials will also slide through the leakage groove 309 to the bottom of the narrowing ring 307; at this time, the cement raw materials are continuously and relatively evenly scattered with the aggregates and other materials in the narrowing ring 307, so as to achieve a certain degree of stirring effect and reduce the stirring time required for subsequent stirring.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A cement raw material processing equipment with screening function, characterized in that: It comprises a screening silo (1), a cement raw material processing silo (2) and a mounting mechanism (3); The mounting mechanism (3) comprises a mounting base (301), a supporting spindle (302) and a fixed top frame (303); the mounting base (301) is provided with an inclined surface (304) at the top, the mounting base (301) is fixedly mounted with a supporting spindle (302) at the center of the inclined surface (304), the supporting spindle (302) is fixedly mounted with a fixed top frame (303) at the top, and the fixed top frame (303) is fixedly mounted with an auxiliary supporting column (305) at the bottom; The screening silo (1) comprises a circular screen (101), a material guide ring (102) and a feed cover (103); the feed cover (103) is fixedly mounted on the top of the material guide ring (102), the circular screen (101) is fixedly mounted on the bottom of the material guide ring (102), material guide channels (104) are evenly arranged on the circumferential side of the material guide ring (102), and the cement raw material processing silo (2) is fixedly mounted on the outer end of the material guide channel (104) of the material guide ring (102); The bottom of the supporting main shaft (302) is penetrated by a screening silo (1) and is rotatably matched thereto, and the top of the supporting main shaft (302) is rotatably matched thereto with a rotating hollow shaft (4); fixed beams (401) are evenly arrayed on the circumferential side surface of the bottom of the rotating hollow shaft (4), and the outer ends of the fixed beams (401) are fixedly mounted on the bottom surface of the feed cover (103); A driving motor (5) is fixedly mounted on the bottom surface of the fixed top frame (303), and the output shaft of the driving motor (5) is meshed with the top of the rotating hollow shaft (4) for transmission.

2. The cement raw material processing equipment with screening function according to claim 1, characterized in that: The screening silo (1) is in an inclined state, and a bearing is installed between the supporting main shaft (302) and the screening silo (1); a material guide plate (105) is provided in a circular array on the upper surface of the circular screen (101); and a material removal plate (106) is provided in a circular array above the material guide plate (105) on the supporting main shaft (302).

3. The cement raw material processing equipment with screening function according to claim 2, characterized in that: The supporting main shaft (302) is fixedly mounted with a row of high-pressure recoil air nozzles (107) and a plurality of rows of cleaning brushes (108) below the circular screen (101).

4. The cement raw material processing equipment with screening function according to claim 1, characterized in that: The cement raw material processing bin (2) is a cylindrical structure; the cement raw material processing bin (2) comprises a grinding bin (201) and a crushing bin (202); the grinding bin (201) and the crushing bin (202) are arranged in a circular array with alternating installation positions on the circumferential side of the screening silo (1).

5. The cement raw material processing equipment with screening function according to claim 4, characterized in that: A motor (203) is fixedly mounted on the outer end of each cement raw material processing bin (2); a grinding roller (204) is fixedly mounted on the output shaft of the motor (203) on the grinding bin (201); and a peripheral side surface of the grinding roller (204) is extruded and fitted with the inner wall of the grinding bin (201); and a blade (205) is fixedly mounted on the output shaft of the motor (203) on the crushing bin (202).

6. The cement raw material processing equipment with screening function according to claim 4, characterized in that: The cement raw material processing bin (2) further comprises a waste bin (206), wherein the waste bin (206) is fixedly mounted on the material guide channel (104) on the circumferential side of the material guide ring (102).

7. The cement raw material processing equipment with screening function according to claim 1, characterized in that: A flow guiding chute (109) is provided on the inner wall of the material guiding ring (102); and a material feeding port (7) is provided on the top of the material feeding cover (103).

8. The cement raw material processing equipment with screening function according to claim 1, characterized in that: The bottom surface of the circular screen (101) is fixedly connected with a dustproof ring (306); the inclined surface (304) is provided with a narrowing groove (307) at the peripheral side of the supporting main shaft (302); the peripheral side surface of the dustproof ring (306) cooperates with the top inner wall of the narrowing ring (307).

9. The cement raw material processing equipment with screening function according to claim 8, characterized in that: A material mixing groove (308) is fixedly installed at the bottom of the dustproof ring (306) below the inclined surface (304), and a material feeding port (6) is opened on the inclined surface (304) above the material mixing groove (308).

10. The cement raw material processing equipment with screening function according to claim 9, characterized in that: The elevation angle of the inclined surface (304) ranges from 15° to 70°; and a material leakage notch (309) is provided on the side surface of the material leveling trough (308).

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