CN100435958C

CN100435958C - Inside-outside double-cold impact crusher

Info

Publication number: CN100435958C
Application number: CNB200710051507XA
Authority: CN
Inventors: 黄之初; 张柱银; 唐建辉; 吴敬兵; 叶涛
Original assignee: Wuhan University of Technology WUT
Current assignee: Wuhan University of Technology WUT
Priority date: 2007-02-08
Filing date: 2007-02-08
Publication date: 2008-11-26
Anticipated expiration: 2027-02-08
Also published as: CN101011672A

Abstract

The invention relates to a crusher. The inside and outside cooling impact crusher comprises lower rotor drive motor, fastening bracket, output hopper, outside shell bracket, lower sub axle, outside shell, lower rotor, feeding hopper, upper rotor shaft, upper rotor and its drive motor, output screen, lower rotor drive mechanism, upper drive mechanism, featuring in the center axis going through the shaft holes of lower rotor sub axle, lower rotor, and upper rotor axle, cavity inside the center axis, whose upper end having cooling water outlet and cooling water inlet at the lower end with both of them connected with the cavity. It is stable in running and durable in working.

Description

Inside-outside double-cold impact crusher

Technical field

The invention belongs to the crushing technology field of solid materials such as ore, sinter, be specifically related to a kind of disintegrating machine, be used to handle various mineral and sinter, as lime stone, clinker, coal, iron ore etc.

Background technology

Existing disintegrating machine product " interior screening double-rotor mill " is to drive internal rotor spreading disk and outer rotor impingement wall by upper and lower two axles respectively, when actual motion, problems such as rotor oscillation is very big, complete machine operation imbalance, runtime system heating have appearred.Because the rotor in the equipment is to lean on the bearing of cantilever axle head to support, can't take cooling provision, be difficult for loss because of rotating and clash into a large amount of heats of generation, high temperature causes the lubrication failure of bearing, usually cause the fault of machine and keep in repair, have a strong impact on the failure-free operation rate of disintegrating machine, the work persistence is poor.

Summary of the invention

The object of the present invention is to provide a kind of steady, strong inside-outside double-cold impact crusher of work persistence that turns round.

To achieve these goals, technical scheme of the present invention is: inside-outside double-cold impact crusher, it comprises lower rotor part drive motors 1, fixed support 2, discharge bucket 4, shell bracing frame 5, lower rotor part axle 7, shell 8, lower rotor part 10, feed hopper 11, upper rotor part axle 12, upper rotor part 15, upper rotor part drive motors 16, go out material screen 17, lower rotor part transmission mechanism 3, upper rotor part transmission mechanism 14, shell 8 is fixed on the shell bracing frame 5, lower rotor part 10 is positioned at shell 8, fixedly connected with the upper end of lower rotor part axle 7 in the bottom of lower rotor part 10, shell 8 is provided with feed hopper 11, feed hopper 11 is positioned at the top of lower rotor part 10, and lower rotor part 10 is provided with out material screen 17; The middle part of discharge bucket 4 is the lower rotor part axis channel, the lower rotor part axis channel of discharge bucket 4 is outward the fine granular materials passage of annular, fixedly connected with shell bracing frame 5 in the upper end of discharge bucket 4, the annular fine granular materials passage of discharge bucket 4 is positioned at the below that goes out material screen 17 on the lower rotor part 10, lower rotor part axle 7 passes the lower rotor part axis channel of discharge bucket 4, the bottom of lower rotor part axle 7 is linked by the output shaft of lower rotor part transmission mechanism 3 with lower rotor part drive motors 1, and lower rotor part drive motors 1 is fixedlyed connected with fixed support 2; Upper rotor part 15 is positioned at lower rotor part 10, and upper rotor part 15 is fixedlyed connected with upper rotor part axle 12, and the upper end of upper rotor part axle 12 is linked by the output shaft of upper rotor part transmission mechanism 14 with upper rotor part drive motors 16, and upper rotor part drive motors 16 is fixedlyed connected with fixed support 2; It is characterized in that: there is axis hole at lower rotor part axle 7 centers, and lower rotor part 10 is provided with axis hole, and there is axis hole at upper rotor part axle 12 centers; Central shaft 6 passes axis hole, the axis hole on the lower rotor part 10 of lower rotor part axle 7, the axis hole of upper rotor part axle 12, fixedlys connected with fixed support 2 respectively in the two ends of central shaft 6, and lower rotor part axle 7, upper rotor part axle 12 are linked by bearing and central shaft 6 respectively; Be provided with cavity 13 in the central shaft 6, the upper end of central shaft 6 is provided with central shaft coolant outlet A, and the bottom of central shaft 6 is provided with central shaft cooling water inlet B, and central shaft coolant outlet A, central shaft cooling water inlet B communicate with cavity 13 respectively.

Described shell 8 is provided with shell cooling device 9.

The chuck of described shell cooling device 9 for establishing on the shell 8 constitutes cavity between chuck and the shell 8, chuck is provided with shell cooling water inlet C, shell coolant outlet D, and shell cooling water inlet C, shell coolant outlet D communicate with cavity respectively.

Described shell cooling device 9 or be water pipe, water pipe is snakelike to be coiled on the shell 8.

The present invention will establish lower rotor part axle 7, the upper rotor part axle 12 of axis hole in two of the prior art the armature spindle of cantilever support changes into respectively, non-rotary central shaft 6 by an integral body strings together then, form the rotor of two freely-supporteds, can improve the resistance to shock of whole rotor-support-foundation system (lower rotor part 10, upper rotor part 15), the inside-outside double-cold impact crusher running steadily; Be provided with cavity 13 in the central shaft 6, the upper end of central shaft 6 is provided with central shaft coolant outlet A, the bottom of central shaft 6 is provided with central shaft cooling water inlet B, central shaft 6 is connect the logical cooling water of flexible pipe, can the bearing in the armature spindle be cooled off, guarantee the operate as normal of bearing, greatly strengthened the work persistence of disintegrating machine.

Casing cooling device 9 (cooling water jecket or dish dress cooling water pipe) on housing leads to cooling water in addition, and shell body is cooled off, and reduces the shell body wall temperature, has strengthened the work persistence of disintegrating machine.By this inside and outside type of cooling, can reduce the operating temperature of disintegrating machine, duty improves, and makes disintegrating machine work persistence strong.

The present invention compares with " the interior screening double-rotor mill " of engineering application at present, has steady, the strong characteristics of work persistence that turn round, and prepares in enterprise and the grinding station at all kinds of powders of China to have broad application prospects.

Description of drawings

Fig. 1 is a structural representation of the present invention

Among the figure: 1-lower rotor part drive motors, 2-fixed support, 3-lower rotor part transmission device, the 4-discharge bucket, 5-shell bracing frame, 6-central shaft, 7-lower rotor part axle, 8-shell, 9-shell cooling device, 10-lower rotor part (or claiming outer rotor), 11-feed hopper, 12-upper rotor part axle, the 13-cavity, 14-upper rotor part transmission device, 15-upper rotor part (or claiming internal rotor), 16-upper rotor part drive motors, 17-goes out material screen; A-central shaft coolant outlet, B-central shaft cooling water inlet, C-shell cooling water inlet, D-shell coolant outlet, E-coarse granule material import (also being suction opeing simultaneously), the outlet of G-fine granular materials.

The specific embodiment

As shown in Figure 1, inside-outside double-cold impact crusher, it comprises lower rotor part drive motors 1, fixed support 2, discharge bucket 4, shell bracing frame 5, central shaft 6, lower rotor part axle 7, shell 8, shell cooling device 9, lower rotor part 10, feed hopper 11, upper rotor part axle 12, upper rotor part 15, upper rotor part drive motors 16, go out material screen 17, lower rotor part transmission mechanism 3, upper rotor part transmission mechanism 14, shell 8 is fixed on the shell bracing frame 5, lower rotor part 10 is positioned at shell 8, fixedly connected with the upper end of lower rotor part axle 7 in the bottom of lower rotor part 10, shell 8 is provided with feed hopper 11, feed hopper 11 is positioned at the top of lower rotor part 10, and lower rotor part 10 is provided with out material screen 17; The middle part of discharge bucket 4 is the lower rotor part axis channel, the lower rotor part axis channel of discharge bucket 4 is outward the fine granular materials passage of annular, fixedly connected with shell bracing frame 5 in the upper end of discharge bucket 4, the annular fine granular materials passage of discharge bucket 4 is positioned at the below that goes out material screen 17 on the lower rotor part 10, lower rotor part axle 7 passes the lower rotor part axis channel of discharge bucket 4, the bottom of lower rotor part axle 7 is linked by the output shaft of lower rotor part transmission mechanism 3 with lower rotor part drive motors 1, and lower rotor part drive motors 1 is fixedlyed connected with fixed support 2; Upper rotor part 15 is positioned at lower rotor part 10, and upper rotor part 15 is fixedlyed connected with upper rotor part axle 12, and the upper end of upper rotor part axle 12 is linked by the output shaft of upper rotor part transmission mechanism 14 with upper rotor part drive motors 16, and upper rotor part drive motors 16 is fixedlyed connected with fixed support 2; There is axis hole at lower rotor part axle 7 centers, and lower rotor part 10 is provided with axis hole, and there is axis hole at upper rotor part axle 12 centers; Central shaft 6 passes axis hole, the axis hole on the lower rotor part 10 of lower rotor part axle 7, the axis hole of upper rotor part axle 12, fixedlys connected with fixed support 2 respectively in the two ends of central shaft 6, and lower rotor part axle 7, upper rotor part axle 12 are linked by bearing and central shaft 6 respectively; Be provided with cavity 13 in the central shaft 6, the upper end of central shaft 6 is provided with central shaft coolant outlet A, and the bottom of central shaft 6 is provided with central shaft cooling water inlet B, and central shaft coolant outlet A, central shaft cooling water inlet B communicate with cavity 13 respectively.

Described shell 8 is provided with shell cooling device 9, the chuck of described shell cooling device 9 for establishing on the shell 8, constitute cavity between chuck and the shell 8, chuck is provided with shell cooling water inlet C, shell coolant outlet D, and shell cooling water inlet C, shell coolant outlet D communicate with cavity respectively.Described shell cooling device 9 or employing water pipe, water pipe is snakelike to be coiled on the shell 8.

Described lower rotor part transmission mechanism 3 is made up of lower rotor part belt, lower rotor part belt pulley, lower rotor part drive motors belt pulley, the lower rotor part belt pulley is located at the bottom of lower rotor part axle 7, lower rotor part drive motors belt pulley is located on the output shaft of lower rotor part drive motors 1, and the lower rotor part belt sleeve is on lower rotor part belt pulley, lower rotor part drive motors belt pulley.

Described upper rotor part transmission mechanism 14 is made up of upper rotor part belt, upper rotor part belt pulley, upper rotor part drive motors belt pulley, the upper rotor part belt pulley is located at the upper end of upper rotor part axle 12, upper rotor part drive motors belt pulley is located on the output shaft of upper rotor part drive motors 16, and the upper rotor part belt sleeve is on upper rotor part belt pulley, upper rotor part drive motors belt pulley.

Lower rotor part 10 has following function: 1, screening function; 2, counterattack baffle plate function.Upper rotor part 15 has following function: 1, particle quickens function, and 2, secondary counterattack collision function.Need broken solid material to enter in the disintegrating machine from coarse granule material import (also the being suction opeing simultaneously) E of this disintegrating machine, drop on the upper rotor part 15, by its acceleration, tangential direction along upper rotor part throws away at a high speed, bump against with the inwall of lower rotor part and to produce the one-shot pulverizing of breaking, because lower rotor part and upper rotor part reverse rotation, bigger particle gets rid of again on the counterpunch board of the upper rotor part in rotating at a high speed, produce bump fragmentation for the second time, all particles are as long as a bottom that drops to lower rotor part 10 is when going out on the material screen 17, fine grained is by going out material screen 17, naturally discharge disintegrating machine from fine granular materials outlet G and enter next process, coarse granule is owing under the turning effort of lower rotor part 10, crawl to the top of lower rotor part 10 again, continue to participate in impact grinding, till its granularity reaches requirement.The dust that produces in the impact grinding process enters dust collecting system by suction opeing and handles.

Claims

1. inside-outside double-cold impact crusher, it comprises lower rotor part drive motors (1), fixed support (2), discharge bucket (4), shell bracing frame (5), lower rotor part axle (7), shell (8), lower rotor part (10), feed hopper (11), upper rotor part axle (12), upper rotor part (15), upper rotor part drive motors (16), go out material screen (17), lower rotor part transmission mechanism (3), upper rotor part transmission mechanism (14), shell (8) is fixed on the shell bracing frame (5), lower rotor part (10) is positioned at shell (8), fixedly connected with the upper end of lower rotor part axle (7) in the bottom of lower rotor part (10), shell (8) is provided with feed hopper (11), feed hopper (11) is positioned at the top of lower rotor part (10), and lower rotor part (10) is provided with out material screen (17); The middle part of discharge bucket (4) is the lower rotor part axis channel, the lower rotor part axis channel of discharge bucket (4) is outward the fine granular materials passage of annular, fixedly connected with shell bracing frame (5) in the upper end of discharge bucket (4), the annular fine granular materials passage of discharge bucket (4) is positioned at the below that goes out material screen (17) on the lower rotor part (10), lower rotor part axle (7) passes the lower rotor part axis channel of discharge bucket (4), the bottom of lower rotor part axle (7) is linked by the output shaft of lower rotor part transmission mechanism (3) with lower rotor part drive motors (1), and lower rotor part drive motors (1) is fixedlyed connected with fixed support (2); Upper rotor part (15) is positioned at lower rotor part (10), upper rotor part (15) is fixedlyed connected with upper rotor part axle (12), the upper end of upper rotor part axle (12) is linked by the output shaft of upper rotor part transmission mechanism (14) with upper rotor part drive motors (16), and upper rotor part drive motors (16) is fixedlyed connected with fixed support (2); It is characterized in that: there is axis hole at lower rotor part axle (7) center, and lower rotor part (10) is provided with axis hole, and there is axis hole at upper rotor part axle (12) center; Central shaft (6) passes axis hole, the axis hole on the lower rotor part (10) of lower rotor part axle (7), the axis hole of upper rotor part axle (12), fixedly connected with fixed support (2) respectively in the two ends of central shaft (6), lower rotor part axle (7), upper rotor part axle (12) are linked by bearing and central shaft (6) respectively; Be provided with cavity (13) in the central shaft (6), the upper end of central shaft (6) is provided with the central shaft coolant outlet, and the bottom of central shaft (6) is provided with the central shaft cooling water inlet, and central shaft coolant outlet, central shaft cooling water inlet communicate with cavity (13) respectively.

2. inside-outside double-cold impact crusher according to claim 1 is characterized in that: described shell (8) is provided with shell cooling device (9).

3. inside-outside double-cold impact crusher according to claim 2, it is characterized in that: the chuck of described shell cooling device (9) for establishing on the shell (8), chuck and shell constitute cavity between (8), chuck is provided with shell cooling water inlet, shell coolant outlet, and shell cooling water inlet, shell coolant outlet communicate with cavity respectively.

4. inside-outside double-cold impact crusher according to claim 2 is characterized in that: described shell cooling device (9) is a water pipe, and water pipe is snakelike to be coiled on the shell (8).