CN113522452A

CN113522452A - Limestone powder pulping equipment

Info

Publication number: CN113522452A
Application number: CN202110805738.5A
Authority: CN
Inventors: 庄云明; 庄平; 林爱平; 王武军; 林雪琴; 林雪忠
Original assignee: Huaihua Mingda Building Materials Co ltd
Current assignee: Huaihua Mingda Building Materials Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-10-22

Abstract

The invention belongs to the technical field of limestone powder pulping, and particularly discloses limestone powder pulping equipment which comprises a pulping barrel, wherein a barrel cover is fixedly sleeved at the top end of the pulping barrel, a driving shaft is rotatably inserted in the middle of the barrel cover, the bottom of the driving shaft extends to the bottom end in the pulping barrel, a driving part is installed at the top end of the driving shaft, and a crushing mechanism communicated with the barrel cover is arranged on the outer side of the driving shaft below the driving part; the pulping barrel is internally provided with a circulating mechanism, the circulating mechanism comprises two arc-shaped circulating pipes which are symmetrically communicated and installed between two ends of the pulping barrel, top ports of the two circulating pipes are respectively provided with a flow collecting cover along the direction extending to the inside of the pulping barrel and being vertically communicated together, the flow collecting cover is rotatably sleeved on the outer side of a driving shaft, a mixing piece is arranged inside the flow collecting cover, and the outer side of the driving shaft below the flow collecting cover is provided with a spiral pushing blade pushing materials downwards. The invention has the effect of circular mixing, and effectively improves the efficiency and the quality of limestone powder pulping.

Description

Limestone powder pulping equipment

Technical Field

The invention belongs to the field of limestone powder pulping, and particularly discloses limestone powder pulping equipment.

Background

Limestone slurry is an indispensable raw material in a limestone slurry supply system, limestone is usually crushed and then mixed by mixing equipment in order to improve the pulping efficiency in the limestone powder pulping process, but most of mixing devices in the existing limestone powder pulping equipment use a stirring piece for repeated stirring and have no circular mixing effect, the pulping time is long in the operation mode, the mixing is not uniform, and the prepared slurry has low solubility, so that the subsequent use effect is influenced, and the limestone powder pulping equipment is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides limestone powder pulping equipment.

In order to achieve the purpose, the invention provides limestone powder pulping equipment which comprises a pulping barrel, wherein the bottom of the pulping barrel is supported by a supporting piece, the bottom end of the pulping barrel is provided with a discharging piece, the top end of the pulping barrel is fixedly sleeved with a barrel cover, the middle position of the barrel cover is rotatably inserted with a driving shaft, the bottom of the driving shaft extends to the bottom end inside the pulping barrel, the top end of the driving shaft is provided with a driving piece, and the outer side of the driving shaft below the driving piece is provided with a crushing mechanism communicated with the barrel cover;

the pulping device is characterized in that a circulating mechanism is arranged in the pulping barrel and comprises two arc-shaped circulating pipes which are symmetrically communicated and installed between two ends of the pulping barrel, the top ports of the two circulating pipes extend into the pulping barrel and are vertically communicated and installed with a flow collecting cover, the flow collecting cover is rotatably sleeved on the outer side of the driving shaft, a mixing part is arranged in the flow collecting cover and comprises a lower shaft sleeve fixedly sleeved on the outer side of the driving shaft, a plurality of wavy mixing blades are obliquely installed on the outer side of the lower shaft sleeve at equal intervals along the circumferential direction, a spiral pushing blade pushing materials downwards is installed on the outer side of the driving shaft below the flow collecting cover, and a gap is reserved between the spiral pushing blade and the inner wall of the pulping barrel;

and an impact mechanism is arranged between the flow collecting cover and the spiral pushing blade.

In the above technical scheme, preferably, the support piece includes a support ring fixedly sleeved outside the pulping barrel, a plurality of support columns are vertically installed on the outer side of the bottom of the support ring along the circumferential direction at equal intervals, and the bottom ends of the support columns are horizontally connected with the support chassis together.

In the above technical scheme, preferably, the discharge member comprises a discharge pipe vertically communicated and installed at the middle position of the bottom of the pulping barrel, and a control valve is installed at the top end of the discharge pipe.

In the above technical scheme, preferably, the outer side of the top of the pulping barrel is provided with a water injection port, the water injection port is positioned above the top port of the circulating pipe, and a sealing plug is inserted in the water injection port.

In the above technical scheme, preferably, the crushing mechanism includes a crushing inner cylinder and a powder collecting outer cylinder which are rotatably sleeved outside the driving shaft, the crushing inner cylinder is located inside the powder collecting outer cylinder and is fixedly connected between top ports, the bottom end of the powder collecting outer cylinder and the cylinder cover are installed through annular pipe communication, a plurality of screening holes are uniformly formed in the crushing inner cylinder, an upper shaft sleeve is fixedly sleeved outside the driving shaft inside the crushing inner cylinder, and a plurality of groups of crushing hammers are installed on the outer side of the upper shaft sleeve from top to bottom at equal intervals.

In the above technical scheme, preferably, the outer sides of the two ends of the upper shaft sleeve are symmetrically and horizontally connected with mounting frames, two mounting frames are away from the position between the one ends of the upper shaft sleeve and are vertically provided with the scraper, and the scraper is contacted with the inner wall of the crushing inner cylinder.

In the above technical scheme, preferably, the driving member is a motor, and the motor is fixedly mounted at the top end of the powder collecting outer barrel through a motor frame.

In above-mentioned technical scheme, it is preferred, impact mechanism is including the fixed dispersion impeller that cup joints in the drive shaft outside, install the polylith arc along the circumferencial direction equidistance on the dispersion impeller top and the terminal surface and get rid of the push pedal, it has solid fixed ring to get rid of fixed mounting on the slurrying section of thick bamboo inner wall that the push pedal corresponds the position, gu fixed ring inner wall installs the polylith impingement plate along the equidistance slope of circumferencial direction.

In above-mentioned technical scheme, it is preferred, polylith stirring leaf is installed along the circumferencial direction equidistance in dispersion impeller bottom, the stirring leaf is the T type setting and the bottom is triangle-shaped.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the crushing mechanism is arranged, so that limestone can be crushed under the driving of the driving part, the pulping efficiency of limestone powder is improved, and meanwhile, the scraper plate is arranged in the crushing mechanism, so that the crushed limestone powder can be pushed and scraped, and the falling speed of the limestone powder is effectively increased;

2. the spiral pushing blade is arranged, so that limestone powder mixed liquid in the pulping barrel can be pushed downwards under the driving of the driving shaft, the limestone powder mixed liquid is conveyed to the top of the pulping barrel along the two pulping barrels under the pushing force, the arranged flow collecting cover can gather two flows of conveyed limestone powder mixed liquid, the conveying impact force can increase the mixing solubility of the limestone powder mixed liquid, and meanwhile, the mixing piece can further increase the mixing uniformity of the limestone powder mixed liquid;

3. and the impact mechanism can carry out distributed impact treatment on the limestone powder mixed liquid in the circulating process, the solubility of the limestone powder in the liquid is improved again, and the limestone powder pulping efficiency is improved further.

Drawings

FIG. 1 is a schematic structural diagram of a limestone powder pulping apparatus according to the present invention;

FIG. 2 is a schematic sectional view of an apparatus for pulping limestone powder according to the present invention;

FIG. 3 is a schematic sectional view of a circulation pipe of a limestone powder pulping apparatus according to the present invention;

FIG. 4 is a schematic structural diagram of a mixing member of a limestone powder pulping apparatus according to the present invention;

FIG. 5 is a schematic structural view of an impact mechanism of a limestone powder pulping device according to the present invention;

FIG. 6 is a schematic view of the axial structure of FIG. 5;

FIG. 7 is a schematic sectional view of a crushing mechanism of a limestone powder pulping apparatus according to the present invention;

fig. 8 is a schematic sectional view of a part of the structure of fig. 7.

In the figure: the device comprises a powder collecting outer cylinder 1, a driving shaft 2, a motor 3, a motor frame 4, a crushing inner cylinder 5, an annular pipe 6, a water injection port 7, a cylinder cover 8, a circulating pipe 9, a pulping cylinder 10, a supporting ring 11, a control valve 12, a discharging pipe 13, a supporting column 14, a supporting chassis 15, a spiral pushing blade 16, a dispersion disc 17, an impact plate 18, a collecting cover 19, a throwing and pushing plate 20, a stirring blade 21, a mixing blade 22, a lower shaft sleeve 23, a fixing ring 24, a screening hole 25, a crushing hammer 26, an upper shaft sleeve 27, a scraping plate 28 and a mounting frame 29.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.

1-8, including a pulping barrel 10, pulping barrel 10 bottom is supported through support piece and the bottom is provided with row material spare, support piece includes the support ring 11 that fixed cup joints in pulping barrel 10 outside, many support columns 14 are installed perpendicularly along the equidistance of circumferencial direction equidistance in the support ring 11 bottom outside, the common horizontally connected in bottom of many support columns has support chassis 15, arrange material spare and include vertical intercommunication and install the row material pipe 13 of pulping barrel 10 bottom intermediate position, arrange the material pipe 13 top and install control valve 12, pulping barrel 10 top fixed cup joint has cover 8, cover 8 intermediate position rotates the cartridge and has drive shaft 2, drive shaft 2 bottom extends to the inside bottom of pulping barrel 10, drive shaft 2 installs the driving piece in the top, the drive shaft 2 outside of driving piece below is provided with the rubbing crusher who communicates with cover 8.

The crushing mechanism comprises a crushing inner cylinder 5 and a powder collecting outer cylinder 1 which are rotatably sleeved on the outer side of a driving shaft 2, the crushing inner cylinder 5 is positioned inside the powder collecting outer cylinder 1, the top end openings of the crushing inner cylinder 5 are fixedly connected, the bottom end of the powder collecting outer cylinder 1 is communicated with a cylinder cover 8 through an annular pipe 6, a plurality of screening holes 25 are uniformly formed in the crushing inner cylinder 5, an upper shaft sleeve 27 is fixedly sleeved on the outer side of the driving shaft 2 inside the crushing inner cylinder 5, a plurality of groups of crushing hammers 26 are equidistantly arranged on the outer side of the upper shaft sleeve 27 from top to bottom, a driving piece is a motor 3, and the motor 3 is fixedly installed at the top end of the powder collecting outer cylinder 1 through a motor frame 4; through starter motor 3 to it is rotatory to drive shaft 2, causes upper shaft sleeve 27 to drive multiunit crushing hammer 26 and carries out shredding to the inside limestone of crushing inner tube 5, and the screening hole 25 that sets up can filter the limestone flour after smashing, and the limestone that does not smash thoroughly continues to smash through crushing hammer 26.

The outer sides of two ends of the upper shaft sleeve 27 are symmetrically and horizontally connected with mounting frames 29, a scraper 28 is vertically arranged between one ends of the two mounting frames 29 far away from the upper shaft sleeve 27, and the scraper 28 is contacted with the inner wall of the crushing inner cylinder 5; through setting up mounting bracket 29 to can stabilize the installation with scraper blade 28, and scraper blade 28 can push away the scraping to smashing inner tube 5 inner wall under the drive of last axle sleeve 27, effectively increases the falling speed of limestone flour.

A water injection port 7 is arranged on the outer side of the top of the pulping barrel 10, the water injection port 7 is positioned above the top port of the circulating pipe 9, and a sealing plug is inserted into the water injection port 7; by providing the water injection port 7, a proper amount of liquid can be injected into the pulp making barrel 10.

A circulating mechanism is arranged in the pulping cylinder 10 and comprises two arc-shaped circulating pipes 9 which are symmetrically communicated and installed between two ends of the pulping cylinder 10, top ports of the two circulating pipes 9 extend into the pulping cylinder 10 and are vertically communicated and installed with a flow collecting cover 19 together, the flow collecting cover 19 is rotatably sleeved on the outer side of the driving shaft 2, a mixing part is arranged in the flow collecting cover 19 and comprises a lower shaft sleeve 23 fixedly sleeved on the outer side of the driving shaft 2, a plurality of wavy mixing blades 22 are obliquely installed on the outer side of the lower shaft sleeve 23 at equal intervals along the circumferential direction, a spiral pushing blade 16 pushing materials downwards is installed on the outer side of the driving shaft 2 below the flow collecting cover 19, and a gap is reserved between the spiral pushing blade 16 and the inner wall of the pulping cylinder 10; through setting up spiral pushing blade 16 to can push down the lime stone powder mixed liquid of pulping barrel 10 inside under the driving shaft 2 drives, lime stone powder mixed liquid is carried to pulping barrel 10 top along two pulping barrels 10 under the extrusion force of propelling movement, and the mass flow cover 19 that sets up can be gathered together two strands of lime stone powder mixed liquid of carrying, carries the mixed solubility that the impact force can increase lime stone powder mixed liquid with this, and lower axle sleeve 23 can drive polylith mixing blade 22 and mix the lime stone powder mixed liquid of collecting cover 19 inside under the drive of driving shaft 2 simultaneously.

An impact mechanism is arranged between the collecting cover 19 and the spiral pushing blade 16, the impact mechanism comprises a dispersion disc 17 fixedly sleeved on the outer side of the driving shaft 2, the top end of the dispersion disc 17 is horn-shaped, a plurality of arc-shaped throwing push plates 20 are arranged on the end face at equal intervals along the circumferential direction, a fixing ring 24 is fixedly arranged on the inner wall of the pulping barrel 10 at the position corresponding to the throwing push plates 20, and a plurality of impact plates 18 are obliquely arranged on the inner wall of the fixing ring 24 at equal intervals along the circumferential direction; through setting up dispersion impeller 17 to can accept the lime stone powder mixed liquid that mass flow cover 19 excreted, dispersion impeller 17 and polylith arc under the rotation state simultaneously get rid of the cooperation of push pedal 20 under, can with the distributed impact plate 18 of getting rid of lime stone powder mixed liquid, improve the solubility of lime stone powder in liquid inside again under the effect of impact force, improve lime stone powder slurrying efficiency in progress.

A plurality of stirring blades 21 are arranged at the bottom end of the dispersion disc 17 at equal intervals along the circumferential direction, the stirring blades 21 are arranged in a T shape, and the bottom end of each stirring blade is triangular; by providing the plurality of stirring vanes 21, the limestone powder mixed liquid in the pulping cylinder 10 can be further stirred.

The working principle is as follows: firstly, a proper amount of liquid is injected into the pulping cylinder 10 through the water injection port 7, then the sealing plug is used for plugging, then the driving piece is started, limestone is crushed under the driving of the driving piece, meanwhile, the scraping plate 28 arranged in the crushing mechanism can push and scrape crushed limestone powder, the falling speed of the limestone powder is effectively increased, in the rotating process of the driving shaft 2, the spiral pushing blade 16 can simultaneously and rotatably push the limestone powder mixed liquid in the pulping cylinder 10 downwards, the limestone powder mixed liquid is conveyed to the top of the pulping cylinder 10 along the two pulping cylinders 10 under the pushing force, the provided flow collecting cover 19 can collect two conveyed limestone powder mixed liquids, so that the conveying impact force can increase the mixed solubility of the limestone powder mixed liquid, and meanwhile, the mixing piece can further increase the mixing uniformity of the limestone powder mixed liquid, and the impact mechanism can carry out distributed impact treatment on the limestone powder mixed liquid in the circulating process, so that the solubility of the limestone powder in the liquid is improved again, and the limestone powder pulping efficiency is improved further.

In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the appearances of the phrases "one embodiment," "some embodiments," "a specific embodiment," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment or example, but rather to the same embodiment or example. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The limestone powder pulping equipment comprises a pulping barrel (10), wherein the bottom of the pulping barrel (10) is supported by a supporting piece, and the bottom of the pulping barrel is provided with a discharging piece, and is characterized in that a barrel cover (8) is fixedly sleeved at the top end of the pulping barrel (10), a driving shaft (2) is rotatably inserted in the middle of the barrel cover (8), the bottom of the driving shaft (2) extends to the bottom end inside the pulping barrel (10), a driving piece is installed at the top end of the driving shaft (2), and a crushing mechanism communicated with the barrel cover (8) is arranged on the outer side of the driving shaft (2) below the driving piece;

a circulating mechanism is arranged in the pulping barrel (10), the circulating mechanism comprises two arc-shaped circulating pipes (9) which are symmetrically communicated and installed between the two ends of the pulping barrel (10), the top ports of the two circulating pipes (9) extend into the pulping barrel (10) and are vertically communicated and installed with a flow collecting cover (19) together, the flow collecting cover (19) is rotatably sleeved on the outer side of the driving shaft (2), a mixing piece is arranged in the flow collecting cover (19), the mixing part comprises a lower shaft sleeve (23) fixedly sleeved on the outer side of the driving shaft (2), a plurality of wavy mixing blades (22) are obliquely arranged on the outer side of the lower shaft sleeve (23) at equal intervals along the circumferential direction, and a spiral pushing blade (16) pushing materials downwards is arranged on the outer side of the driving shaft (2) below the flow collecting cover (19), a gap is reserved between the spiral pushing blade (16) and the inner wall of the pulping barrel (10);

an impact mechanism is arranged between the collecting cover (19) and the spiral pushing blade (16).

2. The limestone powder pulping equipment according to claim 1, wherein the supporting piece comprises a supporting ring (11) fixedly sleeved on the outer side of the pulping barrel (10), a plurality of supporting columns (14) are vertically arranged on the outer side of the bottom of the supporting ring (11) at equal intervals along the circumferential direction, and the bottom ends of the supporting columns (14) are jointly and horizontally connected with a supporting chassis (15).

3. A limestone powder pulping apparatus according to claim 1, wherein the discharge member comprises a discharge pipe (13) vertically installed at a middle position of the bottom of the pulping barrel (10) in a communicating manner, and a control valve (12) is installed at the top end of the discharge pipe (13).

4. The limestone powder pulping equipment according to claim 1, wherein a water injection port (7) is arranged on the outer side of the top of the pulping barrel (10), the water injection port (7) is positioned above a top port of the circulating pipe (9), and a sealing plug is inserted in the water injection port (7).

5. The limestone powder pulping equipment according to claim 1, wherein the crushing mechanism comprises a crushing inner cylinder (5) and a powder collecting outer cylinder (1) which are rotatably sleeved on the outer side of the driving shaft (2), the crushing inner cylinder (5) is positioned inside the powder collecting outer cylinder (1) and is fixedly connected with a top port, the bottom end of the powder collecting outer cylinder (1) is communicated with the cylinder cover (8) through a ring pipe (6), the crushing inner cylinder (5) is uniformly provided with a plurality of screening holes (25), an upper shaft sleeve (27) is fixedly sleeved on the outer side of the driving shaft (2) inside the crushing inner cylinder (5), and a plurality of groups of crushing hammers (26) are equidistantly arranged on the outer side of the upper shaft sleeve (27) from top to bottom.

6. The limestone powder pulping equipment according to claim 5, wherein mounting frames (29) are symmetrically and horizontally connected to the outer sides of two ends of the upper shaft sleeve (27), a scraping plate (28) is vertically installed between one ends, far away from the upper shaft sleeve (27), of the two mounting frames (29), and the scraping plate (28) is in contact with the inner wall of the crushing inner cylinder (5).

7. The limestone powder pulping equipment according to claim 5, wherein the driving member is a motor (3), and the motor (3) is fixedly installed at the top end of the powder collecting outer cylinder (1) through a motor frame (4).

8. The limestone powder pulping equipment according to claim 1, wherein the impact mechanism comprises a dispersion disc (17) fixedly sleeved on the outer side of the driving shaft (2), the top end of the dispersion disc (17) is horn-shaped, a plurality of arc-shaped throwing push plates (20) are arranged on the end face at equal intervals in the circumferential direction, a fixing ring (24) is fixedly arranged on the inner wall of the pulping cylinder (10) at the corresponding position of the throwing push plates (20), and a plurality of impact plates (18) are obliquely arranged on the inner wall of the fixing ring (24) at equal intervals in the circumferential direction.

9. The limestone powder pulping equipment according to claim 8, wherein a plurality of stirring blades (21) are equidistantly installed at the bottom end of the dispersion disc (17) along the circumferential direction, the stirring blades (21) are arranged in a T shape, and the bottom end of each stirring blade is triangular.