CN210632221U

CN210632221U - Pulverizer for processing concrete for building

Info

Publication number: CN210632221U
Application number: CN201921279836.4U
Authority: CN
Inventors: 马滢; 杜红伟; 徐庆栖
Original assignee: Nanyang Institute of Technology
Current assignee: Nanyang Institute of Technology
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-29
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a concrete processing flour mill for building, including supporting seat, dryer, casing and return air duct, the top of supporting seat is provided with the circular shape bottom plate, set up the second air intake that is linked together with the fresh air inlet on the roof of bottom plate, there is the fresh air inlet along radial equipartition on the periphery wall of bottom plate, the outer peripheral face of bottom plate is provided with the dryer, the dryer top is fixed with the casing, be provided with feeding hopper on the middle part lateral wall of casing, on the lateral wall of casing with feeding hopper vertically one side is provided with sealing door, first air intake has been seted up on the internal perisporium of dryer, install the air-blower on the air-supply line of dryer, be provided with the return air duct on the air-blower. Has the advantages that: the utility model discloses the base is provided with the second air intake, can effectually avoid grinding the great granule in the district material and not reach the granule jam dryer that grinds the grinding, improves production efficiency.

Description

Pulverizer for processing concrete for building

Technical Field

The utility model relates to a flour mill technical field especially relates to concrete processing flour mill for building.

Background

The pulverizer is suitable for high-fine powder processing of 280 materials in industries such as non-inflammable and explosive minerals, chemical industry, buildings and the like with Mohs hardness of not more than 9.3 and humidity of less than 6%, such as barite, calcite, potash feldspar, talc, marble, limestone, dolomite, fluorite, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass, heat insulation materials and the like, the granularity of a finished product is randomly adjusted within the range of 80-325 meshes, and the highest granularity of part of the materials can reach 600 meshes. The pulverizer is widely applied to the industries of chemical industry, mines, steel, thermal power, coal and the like, the process of changing large-particle materials into small-particle materials by external force is called crushing, and the used machinery is called a crusher. The process of using external force to change the small particle materials into powder materials is called crushing or grinding, and is called grinding for short. The machine used in it is called a pulverizer (grinding equipment). The crushing and grinding are combined and called crushing mill for short, and the used machine is called crushing mill machine for short. However, in the concrete processing pulverizer for building in the prior art, larger particles in materials entering a grinding area and particles which are not ground in time are often thrown into an air box and gathered at the tail part of a worm box and continuously extend forwards, so that the air passing amount is gradually reduced, blockage is easily caused, no powder or little powder is discharged, and the yield is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete processing pulverizer for building in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the concrete processing pulverizer for building, its characterized in that: the air-conditioning device comprises a supporting seat, an air duct, a casing and a return air duct, wherein a circular bottom plate is arranged at the top of the supporting seat, a second air inlet communicated with an air inlet hole is formed in the top wall of the bottom plate, air inlet holes are uniformly distributed in the peripheral wall of the bottom plate along the radial direction, the air duct is arranged on the peripheral surface of the bottom plate, the casing is fixed above the air duct, a feeding hopper is arranged on the side wall of the middle part of the casing, a sealing door is arranged on one side, perpendicular to the feeding hopper, of the side wall of the casing, a first air inlet is formed in the inner peripheral wall of the air duct, an air blower is installed on the air inlet pipe of the air duct, the return air duct is arranged on the air blower, a pressure regulating pipe is arranged on the return air duct, a pressure regulating valve is arranged on the pressure regulating pipe, a pressure gauge is arranged on the air inlet, a vertically arranged main shaft is mounted on a bearing, the upper end of the main shaft penetrates through a bottom plate and extends into the casing, a first bevel gear is fixed on the main shaft between the bottom plate and the bearing, a first motor is fixed on the bottom wall of the bottom plate, a transmission shaft extending into a transmission box is fixed on an output shaft of the first motor, a second bevel gear meshed with the first bevel gear is fixed on the transmission shaft, a scraper turntable is fixed on the main shaft above the bottom plate, connecting rods are uniformly distributed on the peripheral wall of the scraper turntable, a scraper is fixed on one end of each connecting rod, which is far away from the scraper turntable, a crossbeam is uniformly distributed on the peripheral wall of the top of the main shaft, a vertically arranged grinding roller shaft is fixed on one end of each crossbeam, a grinding roller is fixed at the bottom of the grinding roller shaft, a grinding ring matched with the grinding roller is fixed on the inner peripheral wall of the casing, and a separator is mounted at the top, the sorting machine is provided with a sorting machine outlet and a sorting motor, the sorting motor is connected with the sorting machine in a transmission mode, sorting machine blades are arranged on the periphery of the sorting machine, and a secondary air inlet pipe is arranged on the sorting machine.

Preferably, the support seat is welded on the bottom plate, and the bottom plate is connected with the air duct through a bolt.

Preferably, the air duct is connected with the casing through a bolt, and the feeding hopper is connected with the casing through a bolt.

Preferably, the sealing door is connected with the casing through a hinge.

Preferably, a motor base is arranged at the bottom of the first motor, and a damping plate is arranged at the bottom of the motor base.

Has the advantages that: the utility model discloses the base is provided with the second air intake, and the wind that blows out by the air-blower gets into the dryer, and the air current divides into two strands in the dryer, and inside the one got into the flour mill by first air intake, the one got into from the fresh air inlet on the bottom plate wall, and inside the second air intake of seting up at the bottom plate top got into the flour mill, can effectually avoid grinding the great granule in the district material and not reach the granule that grinds and block up the dryer, improvement production efficiency.

Drawings

FIG. 1 is a schematic structural view of a concrete processing pulverizer for buildings according to the present invention;

FIG. 2 is a schematic view of the internal structure of the concrete processing pulverizer for buildings according to the present invention;

FIG. 3 is a schematic view of a portion of the construction concrete processing pulverizer of the present invention;

FIG. 4 is a schematic structural view of a wind barrel of the concrete processing pulverizer for buildings according to the present invention;

FIG. 5 is a sectional view of the transmission mechanism of the construction concrete processing pulverizer of the present invention;

fig. 6 is a schematic structural diagram of the bottom plate of the concrete processing pulverizer for buildings of the present invention.

Reference numerals: 1. a supporting seat; 2. an air duct; 3. a housing; 4. a feeding hopper; 5. a main shaft; 6. a secondary air inlet pipe; 7. a sorting machine; 8. a grading motor; 9. an outlet of the classifier; 10. a pressure gauge; 11. a blower; 12. a return air duct; 13. a pressure regulating valve; 14. a pressure regulating pipe; 15. a first motor; 16. a motor base; 17. damping plate, 18, shovel blade; 19. a first air inlet; 20. a second bevel gear; 21. a first bevel gear; 22. a drive bearing; 23. grinding the roller; 24. a grinding roll shaft; 25. a cross beam; 26. grinding a ring; 27. a scraper knife turntable; 28. a transmission case; 29. a drive shaft; 30. a base plate; 31. a sealing door; 32. a second air inlet; 33. a connecting rod; 34. a classifier blade.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-6, the utility model provides a technical scheme concrete processing pulverizer for building, which comprises a supporting seat 1, an air duct 2, a casing 3 and a return air duct 12, wherein the top of the supporting seat 1 is provided with a circular bottom plate 30, the top wall of the bottom plate 30 is provided with a second air inlet 32 communicated with the air inlet, the outer circumferential wall of the bottom plate 30 is uniformly provided with air inlet along the radial direction, the outer circumferential surface of the bottom plate 30 is provided with the air duct 2, the casing 3 is fixed above the air duct 2, the middle side wall of the casing 3 is provided with a feeding hopper 4, one side of the side wall of the casing 3 perpendicular to the feeding hopper 4 is provided with a sealing door 31, the inner circumferential wall of the air duct 2 is provided with a first air inlet 19, the air duct 11 of the air duct 2 is provided with an air blower 11, the return air duct 12 is provided with the return air duct 12, the return air, a pressure gauge 10 is arranged on an air inlet pipe of the air duct 2, a transmission box 28 is arranged in the center of the bottom wall of the bottom plate 30, a bearing 22 which is vertically arranged in the axial direction is arranged in the transmission box 28, a spindle 5 which is vertically arranged is arranged on the bearing 22, the upper end of the spindle 5 penetrates through the bottom plate and extends into the machine shell 3, a first bevel gear 21 is fixed between the bottom plate and the bearing on the spindle 5, a first motor 15 is fixed on the bottom wall of the bottom plate, a transmission shaft 29 which extends into the transmission box 28 is fixed on an output shaft of the first motor 15, a second bevel gear 20 which is meshed with the first bevel gear 21 is fixed on the transmission shaft 29, a scraper turnplate 27 is fixed above the bottom plate on the spindle 5, connecting rods 33 are uniformly distributed on the peripheral wall of the scraper turnplate 27, a scraper 18 is fixed on one end of the connecting rod 33 which is far away from the scraper turnplate, cross beams 25 are uniformly distributed on the peripheral wall of the, the bottom of grinding roller axle 24 is fixed with grinding roller 23, be fixed with on the internal perisporium of casing 3 with grinding roller 23 matched with grinding ring 26, sorter 7 is installed at the top of casing 3, be equipped with sorter export 9 and sorting motor 8 on sorter 7, sorting motor 8 links to each other with sorter 7 transmission, sorter 7 periphery is provided with sorter blade 34, be provided with secondary air-supply line 6 on the sorter, the inside air current of sorter 7 is adjusted to secondary air-supply line 6, avoid the powder adhesion on sorter blade 34, influence screening quality, first motor 15 all links to each other with city output end electrical property with hierarchical motor 8's input.

Preferably, the support base 1 is welded on the bottom plate 30, and the bottom plate 30 is connected with the air duct 2 through bolts.

Preferably, the air duct 2 is connected with the casing 3 through a bolt, and the feeding hopper 4 is connected with the casing 3 through a bolt.

Preferably, the sealing door 31 is hinged to the housing 3.

Preferably, the motor base 16 is arranged at the bottom of the first motor 15, and the damping plate 17 is arranged at the bottom of the motor base 16.

The utility model discloses a theory of operation and use flow: when the powder mill works, a power switch is started, raw materials are put into the machine shell 3 from the feeding hopper 4, a motor 15 transmits power to a second bevel gear 20 through a transmission shaft 29, the second bevel gear 20 drives a first bevel gear 21 to move, the first bevel gear 21 drives a main shaft 5 to move so that the main shaft drives a cross beam 25, a grinding roller shaft 24 and a grinding roller 23 to move, the raw materials are brought into a position between the grinding roller 23 and a grinding ring 26 through a scraper knife 18, the grinding roller 23 is ground through the movement of the grinding roller 23, air blown out from an air blower 11 enters an air duct 2, air flow inside the air duct 2 is divided into two air streams, one air stream enters the interior of the powder mill through a first air inlet 19, the other air stream enters the interior of the powder mill through an air inlet hole in the wall of a bottom plate 30, the other air stream enters the interior of the powder mill through a second air inlet 32 formed in the top of the bottom plate 30, the powder is blown to a sorting, falling into a grinding area for next grinding.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The concrete processing pulverizer for building, its characterized in that: comprises a supporting seat (1), an air duct (2), a casing (3) and an air return pipe (12), wherein a circular bottom plate (30) is arranged at the top of the supporting seat (1), a second air inlet (32) communicated with an air inlet hole is formed in the top wall of the bottom plate (30), air inlet holes are uniformly distributed in the peripheral wall of the bottom plate (30) along the radial direction, the air duct (2) is arranged on the peripheral surface of the bottom plate (30), the casing (3) is fixed above the air duct (2), a feeding hopper (4) is arranged on the side wall of the middle part of the casing (3), a sealing door (31) is arranged on one side of the side wall of the casing (3) perpendicular to the feeding hopper (4), a first air inlet (19) is formed in the inner peripheral wall of the air duct (2), an air blower (11) is installed on the air inlet pipe of the air duct (2), and the air return pipe (12) is arranged on, the air return pipe (12) is provided with a pressure regulating pipe (14), the pressure regulating pipe (14) is provided with a pressure regulating valve (13), an air inlet pipe of the air duct (2) is provided with a pressure gauge (10), the center of the bottom wall of the bottom plate (30) is provided with a transmission box (28), the transmission box (28) is internally provided with a bearing (22) which is vertically arranged in the axial direction, the bearing (22) is provided with a spindle (5) which is vertically arranged, the upper end of the spindle (5) penetrates through the bottom plate and extends into the machine shell (3), the spindle (5) is fixedly provided with a first bevel gear (21) between the bottom plate and the bearing, the bottom wall of the bottom plate is fixedly provided with a first motor (15), a transmission shaft (29) which extends into the transmission box (28) is fixed on an output shaft of the first motor (15), a second bevel gear (20) which is meshed with the first bevel gear (21) is fixed on the transmission shaft (29), a scraper knife turntable (27, the peripheral wall of the scraper knife rotary table (27) is uniformly provided with connecting rods (33), one end of each connecting rod (33) far away from the scraper knife rotary table is fixed with a scraper knife (18), the peripheral wall of the top of the main shaft (5) is uniformly provided with a beam (25), one end of the beam (25) far away from the main shaft (5) is fixed with a vertically arranged grinding roll shaft (24), a grinding roller (23) is fixed at the bottom of the grinding roller shaft (24), a grinding ring (26) matched with the grinding roller (23) is fixed on the inner peripheral wall of the machine shell (3), a separator (7) is arranged at the top of the casing (3), a separator outlet (9) and a separation motor (8) are arranged on the separator (7), sorting motor (8) with sorter (7) transmission links to each other, sorter (7) periphery is provided with sorter blade (34), be provided with secondary air-supply line (6) on the sorter.

2. The concrete processing pulverizer for buildings according to claim 1, wherein: the supporting seat (1) is welded on the bottom plate (30), and the bottom plate (30) is connected with the air duct (2) through bolts.

3. The concrete processing pulverizer for buildings according to claim 1, wherein: the air duct (2) is connected with the casing (3) through bolts, and the feeding hopper (4) is connected with the casing (3) through bolts.

4. The concrete processing pulverizer for buildings according to claim 1, wherein: the sealing door (31) is connected with the machine shell (3) through a hinge.

5. The concrete processing pulverizer for buildings according to claim 1, wherein: a motor base (16) is arranged at the bottom of the first motor (15), and a damping plate (17) is arranged at the bottom of the motor base (16).