CN-121972257-A - Energy-saving and environment-friendly crushing equipment and method for crushing raw coal

CN121972257ACN 121972257 ACN121972257 ACN 121972257ACN-121972257-A

Abstract

The invention relates to the technical field of raw coal crushing, in particular to energy-saving and environment-friendly crushing equipment and a method thereof for crushing raw coal, comprising a crushing box, wherein the bottom of the outer part of the crushing box is connected with a positioning ring plate, the top of the inner wall of the crushing box is provided with a mounting groove, the inside of the mounting groove is provided with a feeding part, the front side and the rear side of the top of the left side and the right side of the crushing box are respectively provided with an adjusting groove in a penetrating way, crushing part is installed jointly to inside and the left and right sides of smashing the case, and unloading part is installed to the bottom of smashing the incasement wall, and crushing part includes mounting panel and two crushing rollers, and the left side of mounting panel is connected with the top on smashing the case right side, and two crushing rollers are located respectively and smash the front and back both sides at incasement wall top. The coal particle size adjusting device has the advantage of adjusting the crushing particle size through the use of the crushing part, and coal particles with different particle sizes can be crushed through adjusting the distance between the two crushing rollers, so that the overall universality is high, and the production requirements of various coal particle sizes are met.

Inventors

Pu Shaofei
ZAN FANGFANG
DAI HUI
CHENG CHANGHUA
MA YONG
CAI ZHIFENG
JIANG ZEJIAN
CHEN SHUNHAO
WANG MINGQIANG
LI BO
HU JIE

Assignees

曲靖市检验检测认证院(曲靖市重点产业技术研究院)
曲靖市盛凯焦化有限责任公司

Dates

Publication Date: 20260505
Application Date: 20260319

Claims (10)

1. The utility model provides an energy-concerving and environment-protective crushing apparatus for raw coal crushing, including smashing case (1), wherein, the outside bottom of smashing case (1) is connected with location circle board (2), mounting groove (6) have been seted up at the top of smashing case (1) inner wall, mounting groove (6) internally mounted has feed element (5), regulating groove (7) have all been run through to the front and back both sides at smashing case (1) left and right sides top, smashing part (4) are installed jointly to the inside and the left and right sides of smashing case (1), unloading part (3) are installed to the bottom of smashing case (1) inner wall, smashing part (4) include mounting panel (41) and two crushing roller (46), the left side of mounting panel (41) is connected with the top of smashing case (1) right side, two crushing roller (46) are located the front and back both sides at smashing case (1) inner wall top respectively, the left and right sides of crushing roller (46) all run through regulating groove (7) and extend to smashing case (1) outside, smashing roller (46) outside left and right sides and just are located regulating groove (7) inside and are equipped with two movable sleeve(s) (410) through regulating block(s), smashing roller (46) outside (410) are equipped with two movable sleeve(s) and are located outside (410), the front side and the rear side of the top of the mounting plate (41) are provided with moving grooves (413) in a penetrating way.
2. The energy-saving and environment-friendly crushing equipment for crushing raw coal according to claim 1, wherein the outer part of the adjusting block (410) is in sliding contact with the inner wall of the adjusting groove (7), one side, opposite to each other, of the two adjacent shielding plates (44) is respectively in sliding contact with the inner wall and the outer part of the crushing box (1), and the longitudinal length and the vertical length of the shielding plates (44) are larger than those of the inner wall of the adjusting groove (7).
3. The energy-saving and environment-friendly crushing equipment for crushing raw coal according to claim 1, wherein a speed reducer (43) and a variable frequency motor (42) are respectively arranged at the bottom of the inner wall of the U-shaped frame (47), the output end of the variable frequency motor (42) is connected with the input end of the speed reducer (43), the output end of the speed reducer (43) is connected with the right side of a crushing roller (46), the front side of the top of the rear U-shaped frame (47) is in sliding contact with the rear side of the top of the inner wall of the front U-shaped frame (47), and the bottom of the U-shaped frame (47) is in sliding contact with the top of a mounting plate (41).
4. The energy-saving and environment-friendly crushing equipment for crushing raw coal according to claim 1, wherein the bottom of the U-shaped frame (47) is connected with a movable screw sleeve (412), the bottom of the movable screw sleeve (412) penetrates through a movable groove (413), the bottom of a left shielding plate (44) is connected with a bearing plate (48), a bearing seat (411) is arranged at the top of the bearing plate (48), the left side of the crushing roller (46) extends to the inside of the bearing seat (411) and is movably connected with the inside of the bearing seat (411) through a bearing, the bottom of the bearing plate (48) is also connected with the movable screw sleeve (412), an adjusting screw (49) is arranged between the front and rear movable screw sleeves (412) in a threaded penetrating manner, the center and the rear side of the outer part of the adjusting screw (49) are respectively provided with a supporting sleeve (45) through a bearing movable sleeve, the right side of the left supporting sleeve (45) is connected with the left side of the crushing box (1), and the top of the right supporting sleeve (45) is connected with the mounting plate (41).
5. The energy-saving and environment-friendly crushing equipment for crushing raw coal according to claim 1, wherein the blanking part (3) comprises a material collecting frame (31), the top of the outer part of the material collecting frame (31) is connected with the bottom of the inner wall of the crushing box (1), a plurality of reinforcing rods (32) are connected to the outer part of the material collecting frame (31), one side, far away from the material collecting frame (31), of the reinforcing rods (32) is connected with the bottom of the inner wall of the crushing box (1), the bottom of the material collecting frame (31) is connected with a telescopic blanking pipe (33), and the bottom of the telescopic blanking pipe (33) penetrates to the lower part of the crushing box (1).
6. The energy-saving and environment-friendly crushing equipment for crushing raw coal according to claim 5, wherein the left side and the right side of the inner wall of the crushing box (1) are respectively connected with a positioning plate (37), the inner side of the bottom of the positioning plate (37) is connected with an electric telescopic rod (38), the left side and the right side of a telescopic blanking pipe (33) are respectively connected with a connecting block (36), the bottom of the telescopic end of the electric telescopic rod (38) penetrates through the connecting block (36) and is provided with a positioning nut in a threaded sleeve manner, the bottom of the telescopic blanking pipe (33) is connected with a blanking hopper (34), and the bottom of the front side of the blanking hopper (34) is provided with a discharge hole (35).
7. The energy-saving and environment-friendly crushing equipment for crushing raw coal according to claim 1, wherein the feeding component (5) comprises a sealing plate (51), the sealing plate (51) is installed in the installation groove (6), the top of the sealing plate (51) is provided with a feeding cover (52), the top of the feeding cover (52) is connected with a dust suction pipe (59) through a flange plate, one side, far away from the feeding cover (52), of the dust suction pipe (59) is connected with external dust removing equipment, an installation spiral groove is formed in the top of the inner wall of the feeding cover (52), and the inner wall of the installation spiral groove is connected with a filter frame through threads.
8. The energy-saving and environment-friendly crushing equipment for crushing raw coal according to claim 7, wherein two mounting frames (510) are mounted on the left side and the right side of the top of the inner wall of the feeding cover (52), an electromagnetic adsorption plate (57) is inserted between the two mounting frames (510) together, two T-shaped notches (56) are formed in the left side and the right side of the rear side of the top of the feeding cover (52) in a penetrating mode, T-shaped stop blocks (58) are inserted in the T-shaped notches (56), and the T-shaped stop blocks (58) are connected with the electromagnetic adsorption plate (57) through bolts.
9. The energy-saving and environment-friendly crushing equipment for crushing raw coal according to claim 7, wherein a bearing frame (53) is connected to the rear side of the top of the sealing plate (51), a limiting plate (511) is connected to the bottom of the rear side of the bearing frame (53), a plurality of T-shaped lifting rods (512) are installed on the top of the limiting plate (511) in a penetrating mode, a reset spring (513) is sleeved outside the T-shaped lifting rods (512), a containing frame (54) is connected to the top of the T-shaped lifting rods (512), and a cleaning scraping plate (55) is connected to the inner wall of the containing frame (54) through bolts.
10. The method for using the energy-saving and environment-friendly crushing equipment for crushing raw coal is characterized by adopting the energy-saving and environment-friendly crushing equipment for crushing raw coal according to any one of claims 1-9, and specifically comprises the following steps of: Starting a variable frequency motor (42) by using an external control cabinet, enabling two crushing rollers (46) to rotate in opposite directions after the speed of a speed reducer (43) is reduced, and synchronously starting external dust removing equipment when the variable frequency motor (42) operates; Step two, the falling raw coal falls between two crushing rollers (46) and is crushed by the two crushing rollers (46). The crushed raw coal falls into a blanking part (3) and sequentially falls onto a coal belt conveyor for discharging through a material collecting frame (31), a telescopic blanking pipe (33) and a blanking hopper (34) to carry out conveying after crushing of the raw coal; And thirdly, when smaller raw coal granularity is required to be obtained according to actual production requirements, a special spanner is used for positively rotating the adjusting screw (49) so that the front moving screw sleeve and the rear moving screw sleeve (412) move close to each other, and finally, the two crushing rollers (46) move close to each other. When larger raw coal granularity is required to be obtained, the adjusting screw (49) is reversed by a special spanner; And fourthly, according to actual production requirements, in order to clean ironware in raw coal, an electromagnetic adsorption plate (57) can be installed between two installation frames (510), and then a T-shaped stop block (58) penetrates through a T-shaped notch (56) and is connected with the electromagnetic adsorption plate (57) by bolts. Electrifying the electromagnetic adsorption plate (57) to generate magnetism, wherein when the raw coal entering the feeding cover (52) is doped with an iron device, the iron device is adsorbed by the electromagnetic adsorption plate (57); And fifthly, according to actual production requirements, a bearing frame (53) and parts on the bearing frame can be installed on the rear side of the top of the sealing plate (51), the top of the cleaning scraper (55) contacts with the conveying surface of the return conveying belt after installation, and residual raw coal on the cleaning scraper is scraped by the cleaning scraper (55).

Description

Energy-saving and environment-friendly crushing equipment and method for crushing raw coal Technical Field The invention relates to the technical field of raw coal crushing, in particular to energy-saving and environment-friendly crushing equipment and method for crushing raw coal. Background Raw coal crushing is a process of crushing mined raw coal into smaller particles or powder in a mechanical or thermal energy mode, and aims to improve combustion efficiency of coal, facilitate transportation and storage and meet the requirements of different industrial applications on granularity. The process is widely applied to the fields of thermal power generation, coking, coal gasification, building material production and the like. Crushing equipment is needed in the raw coal crushing process. When raw coal crushing equipment pulverizes raw coal, the coal particle size that its crushing was out is comparatively unified, can not adjust the size of coal particle size according to actual demand, can use different crushing equipment in order to obtain the coal granule of different particle diameters, greatly reduced crushing equipment's commonality. In order to solve the technical problems, an energy-saving and environment-friendly crushing device for crushing raw coal and a method thereof are designed. Disclosure of Invention This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application. The invention aims to provide energy-saving and environment-friendly crushing equipment and a method for crushing raw coal, which have the advantage of adjusting the crushing grain size, and solve the problems that the crushed coal grain size of the raw coal crushing equipment is uniform and cannot be adjusted according to actual requirements when the raw coal is crushed, different crushing equipment is used for obtaining coal grains with different grain sizes, and the universality of the crushing equipment is greatly reduced. The energy-saving and environment-friendly crushing equipment for crushing raw coal comprises a crushing box, wherein the bottom of the outer part of the crushing box is connected with a positioning ring plate, the top of the inner wall of the crushing box is provided with a mounting groove, the inside of the mounting groove is provided with a feeding component, the front side and the rear side of the top of the left side and the right side of the crushing box are respectively provided with an adjusting groove in a penetrating manner, the inside and the left side of the crushing box are respectively provided with a crushing component, the bottom of the inner wall of the crushing box is provided with a discharging component, the crushing component comprises a mounting plate and two crushing rollers, the left side of the mounting plate is connected with the top of the right side of the crushing box, the two crushing rollers are respectively positioned at the front side and the rear side of the top of the inner wall of the crushing box, the left side and the right side of the crushing rollers are respectively penetrated through the adjusting grooves and extend to the outer side of the crushing box, the left side and the right side of the crushing rollers are respectively provided with adjusting blocks through bearing movable sleeves, the front side and the rear side of the top of the mounting plate are respectively provided with a U-shaped frame, the outer side of the crushing rollers is respectively positioned at the left side and the right side of the adjusting blocks through the bearing movable sleeves, and the two shielding plates are respectively arranged at the front side and the rear side of the top of the mounting plate are respectively provided with a movable groove. Preferably, the outside of regulating block and the inner wall sliding contact of adjustment tank, two adjacent shielding plates opposite one side respectively with smash the inner wall and outside sliding contact of case, the longitudinal length and the vertical length of shielding plate are all greater than the longitudinal length and the vertical height of adjustment tank inner wall. Preferably, a speed reducer and a variable frequency motor are respectively installed at the bottom of the inner wall of the U-shaped frame, the output end of the variable frequency motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the right side of the crushing roller, the front side of the top of the rear U-shaped frame is in sliding contact with the rear side of the top of the inner wall of the front U-shaped frame, and the bottom of the U-shaped frame is in sliding contact with the top of the mounting plate. Prefera