阅读说明：本技术 一种高性能水泥生产用颗粒级配控制设备 (Particle grading control equipment for high-performance cement production ) 是由 程天宇 张晓阳 李洪建 韩刚 于 2021-09-26 设计创作，主要内容包括：本发明公开了一种高性能水泥生产用颗粒级配控制设备,其包括：密封机体；储料筒,内部定量存设有混配颗粒水泥,所述储料筒的一端连通有输送管,所述输送管的一端与所述密封机体相连接；初级颗粒级配组件,设置在所述密封机体的内部上方,所述输送管的一端与所述初级颗粒级配组件相连通；次级分配组件,对称设置在所述密封机体中部,位于所述初级颗粒级配组件的两侧位置；以及尾部收集排送组件,设置在所述密封机体的下端面,并与各所述次级分配组件相连通。(The invention discloses a grain composition control device for high-performance cement production, which comprises: sealing the machine body; the material storage cylinder is internally and quantitatively stored with mixed granular cement, one end of the material storage cylinder is communicated with a conveying pipe, and one end of the conveying pipe is connected with the sealing machine body; a primary particle grading component disposed above the interior of the sealed housing, one end of the duct being in communication with the primary particle grading component; the secondary distribution assemblies are symmetrically arranged in the middle of the sealed machine body and are positioned at two sides of the primary particle grading assembly; and the tail collecting and discharging assembly is arranged on the lower end surface of the sealed machine body and is communicated with each secondary distribution assembly.)

1. The utility model provides a high performance is grain composition controlgear for cement manufacture which characterized in that: it includes:

a sealed body (1);

the storage cylinder (2) is internally and quantitatively stored with mixed granular cement, one end of the storage cylinder (2) is communicated with a conveying pipe (201), and one end of the conveying pipe (201) is connected with the sealing machine body (1);

a primary particle grading component (3) arranged above the interior of the sealed body (1), one end of the conveying pipe (201) being communicated with the primary particle grading component (3);

the secondary distribution assemblies (4) are symmetrically arranged in the middle of the sealed machine body (1) and are positioned at two sides of the primary particle grading assembly (3); and

and the tail collecting and discharging assembly (5) is arranged on the lower end surface of the sealed machine body (1) and is communicated with each secondary distribution assembly (4).

2. The apparatus of claim 1, wherein the apparatus comprises: the primary particle grading component (3) comprises:

an outer fixed cylinder (301);

the inner connecting cylinder (302) is coaxially fixed in the outer fixing cylinder (301);

the inner shunting part (303) is coaxially arranged below the inner part of the inner connecting cylinder (302), and a ring joint seat (304) is arranged outside the inner shunting part (303) in a relatively rotatable manner;

the hinge shaft pieces (305) are arranged in a plurality of groups in a circumferential array and are constructed into a two-section foldable structure, and one end of each hinge shaft piece (305) is rotatably connected with the ring joint seat (304);

the telescopic cylinder parts (306) are vertically arranged in the inner connecting cylinder (302) in a relatively rotatable manner through bearings, and the output ends of the telescopic cylinders (306) are hinged with the hinge shaft parts (305);

the rotating motor (307) is arranged on the outer fixed cylinder (301), and an output shaft of the rotating motor (301) is connected with the telescopic cylinder piece (306);

the outer shaft cover (308) is fixedly sleeved below the inner connecting cylinder (302), and the outer shaft cover (308) is communicated with the secondary distribution assembly (4) positioned on the left side; and

an inner conduit (309) in communication with the inner splitter (303), one end of the inner conduit (309) being in communication with the sub-distribution assembly (4) on the right side thereof.

3. The apparatus of claim 2, wherein the apparatus comprises: further comprising:

and the airflow pumps (310) are symmetrically arranged at two sides of the lower part of the interior of the outer fixed cylinder (301), and the discharge ends of the airflow pumps (310) are communicated with the inner connecting cylinder (302).

4. The apparatus of claim 3, wherein the apparatus comprises: the secondary dispensing assembly (4) comprises:

an outer cylinder holder (401) embedded in the outer fixed cylinder (301);

an inner screen seat (402) coaxially arranged in the outer cylinder seat (401);

the particle grading device (6) is arranged in the inner sieve base (402) in a relatively rotating mode;

the flow guide sleeve assembly (403) is obliquely fixed in the outer fixing cylinder (301), and one end of the flow guide sleeve assembly (403) is connected with the outer cylinder seat (401);

and the discharge pipes (406) are connected with the diversion suite (403), and one end of each discharge pipe (406) is correspondingly communicated with the outer shaft cover (308) and the inner conduit (309).

5. The apparatus of claim 4, wherein the apparatus comprises: an inner rotary vane plate (404) is coaxially arranged in the flow guide sleeve member (403) in a relatively rotatable manner, the inner rotary vane plate (404) is matched and close to the inner wall of the flow guide sleeve member (403), and negative pressure absorption is formed under the rotation action;

an inner conveying member (405) is further arranged in the flow guide sleeve member (403).

6. The apparatus of claim 5, wherein the apparatus comprises: wherein the diversion suite (403) on the left side is communicated with the inner screen seat (402), and the diversion suite (403) on the right side is communicated with the outer cylinder seat (401); and the inner conveying member (405) positioned on the right side is communicated with the inner sieve seat (402), and the inner conveying member (405) positioned on the left side is communicated with the outer cylinder seat (401) through an inner discharge pipe.

7. The apparatus of claim 2, wherein the apparatus comprises: the particle classifying device (6) includes:

a filter ring cylinder (601);

a plurality of separators (602) arranged in a circumferential array, wherein each separator (602) vertically penetrates through the filtering ring cylinder (601); and

accept inner disc (603), but relative pivoted coaxial setting is in filter ring section of thick bamboo (601), be equipped with the opening on accepting inner disc (603), just the outer wall of accepting inner disc (603) with separator (602) are supported by the butt and are close to.

8. The apparatus of claim 1, wherein the apparatus comprises: the tail collecting and discharging assembly (5) comprises:

an outer collection housing (501) coaxially arranged in the sealed body (1);

an inner-layer baffle plate (502) vertically fixed on the inner middle side of the outer collecting cover (501);

drainage guide pieces (503) symmetrically arranged in the outer collecting cover (501) and positioned at two sides of the inner partition plate (502); and

an airflow plenum (504) symmetrically disposed below an interior of the outer collection hood (501).

9. The apparatus of claim 8, wherein the apparatus comprises: a return pipe is communicated with the outside of the outer collecting cover (501), and one end of the return pipe is communicated with the primary particle grading component (3).

Technical Field

The invention belongs to the technical field of concrete preparation equipment, and particularly relates to particle grading control equipment for high-performance cement production.

Background

The cement concrete belongs to a typical powder material, the strength distribution of cement particles is closely related to the application performance of the cement particles, the cement particles can be gelled only by reacting with water, the part without water splash only plays a role of a skeleton, meanwhile, the cement concrete with over-small particles is completely hydrated in the process of stirring with water, no effect is exerted on a concrete pouring wall, the cement with over-large particles can only be hydrated on the surface, only can achieve the effect of a filler, and the property of the cement is lost; and the cement of production generally does not consider the particle diameter collocation problem of cement granule in the existing market for the granule can't reach tightest accumulational effect, leads to the cement water demand great, and when preparing the concrete, the concrete water consumption is big, causes the concrete workability bad, and the shrink is great, forms the crack easily. Accordingly, one skilled in the art has provided a grain composition control apparatus for high performance cement production to solve the problems set forth in the background art described above.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: a grain composition control apparatus for high performance cement production comprising:

sealing the machine body;

the material storage cylinder is internally and quantitatively stored with mixed granular cement, one end of the material storage cylinder is communicated with a conveying pipe, and one end of the conveying pipe is connected with the sealing machine body;

a primary particle grading component disposed above the interior of the sealed housing, one end of the duct being in communication with the primary particle grading component;

the secondary distribution assemblies are symmetrically arranged in the middle of the sealed machine body and are positioned at two sides of the primary particle grading assembly; and

and the tail collecting and discharging assembly is arranged on the lower end surface of the sealed machine body and is communicated with each secondary distribution assembly.

Further, preferably, the primary particle grading component includes:

an outer fixed cylinder;

the inner connecting cylinder is coaxially fixed in the outer fixing cylinder;

the inner shunt piece is coaxially arranged below the inner part of the inner connecting cylinder, and a ring joint seat is arranged outside the inner shunt piece in a relatively rotating manner;

the hinge shaft pieces are arranged in a circumferential array in multiple groups and are constructed into a two-section foldable structure, and one end of each hinge shaft piece is rotatably connected with the ring seat;

the telescopic cylinder parts are vertically arranged in the inner connecting cylinder in a relatively rotatable manner through bearings, and the output end of the telescopic cylinder is hinged with each hinge shaft part;

the rotating motor is arranged on the outer fixed cylinder, and an output shaft of the rotating motor is connected with the telescopic cylinder piece;

the outer shaft cover is fixedly sleeved below the inner connecting cylinder and communicated with the secondary distribution assembly on the left side in the outer shaft cover; and

an inner conduit in communication with the inner splitter, one end of the inner conduit in communication with the secondary distribution assembly on the right side thereof.

Further, preferably, the method further comprises:

and the airflow pumps are symmetrically arranged at two sides of the lower part in the outer fixed cylinder, and the discharge ends of the airflow pumps are communicated with the inner connecting cylinder.

Further, preferably, the sub-distribution assembly includes:

the outer cylinder seat is embedded in the outer fixed cylinder;

the inner screen seat is coaxially arranged in the outer cylinder seat;

the particle grading device is arranged in the inner sieve seat in a relatively rotating way;

the flow guide sleeve is obliquely fixed in the outer fixing cylinder, and one end of the flow guide sleeve is connected with the outer cylinder base;

and the discharge pipes are connected with the flow guide sleeve, and one end of each discharge pipe is correspondingly communicated with the outer shaft cover and the inner guide pipe.

Further, preferably, an inner rotary vane plate is coaxially arranged in the flow guide sleeve in a relatively rotatable manner, is matched and close to the inner wall of the flow guide sleeve and forms negative pressure absorption under the rotation action;

an inner conveying piece is further arranged in the flow guide sleeve piece.

Further, preferably, the diversion suite on the left side is communicated with the inner screen base, and the diversion suite on the right side is communicated with the outer cylinder base; and the inner conveying member positioned on the right side is communicated with the inner sieve base, and the inner conveying member positioned on the left side is communicated with the outer cylinder base through an inner discharge pipe.

Further, preferably, the particle classifying means includes:

a filter ring cylinder;

the plurality of separators are arranged in a circumferential array, and each separator vertically penetrates through the filtering ring cylinder; and

accept the inner disc, but relative pivoted coaxial setting is in filter ring section of thick bamboo, it is equipped with the opening on the inner disc to accept, just the outer wall of accepting the inner disc with the separator offsets and leans on to press close to.

Further, preferably, the tail collecting and discharging assembly includes:

an outer collection housing coaxially disposed within the sealed housing;

the inner-layer clapboard is vertically fixed at the middle side in the outer collecting cover;

the drainage guide pieces are symmetrically arranged in the outer collecting cover and positioned at two sides of the inner-layer clapboard; and

and the airflow pressurizing parts are symmetrically arranged below the inner part of the outer collecting cover.

Further, preferably, a return pipe is communicated outside the outer collecting cover, and one end of the return pipe is communicated with the primary particle grading component.

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

in the invention, cement concrete in a mixed particle state can be conveyed into a sealed machine body through a conveying pipe, at the moment, the cement is gathered in an inner connecting cylinder, a hinge shaft piece can carry out internal centrifugal dispersion on the cement particles under the rotary driving action of a rotary motor, so that the cement particles can preliminarily form particle classification in the inner connecting cylinder, namely, the cement particles with larger unit particle size and relatively heavier mass are dispersed in an outer ring layer in the inner connecting cylinder and conveyed into a left secondary distribution component through an outer shaft cover, and the cement particles with smaller unit particle size and relatively lighter mass are dispersed in an inner ring layer in the inner connecting cylinder and conveyed into a right secondary distribution component through an inner conduit; at the moment, partial medium particles still remain in part of cement particles with larger unit particle size, partial medium particles also remain in part of cement particles with smaller unit particle size, the partial medium particles are respectively subjected to secondary screening by each secondary distribution assembly, the cement particles with the medium particle size are removed from the secondary distribution assemblies, then the secondary distribution assemblies are collected and concentrated by the tail collecting and discharging assembly, and the secondary distribution assemblies are returned to the primary particle grading assembly through the return pipe to carry out particle grading again.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the delivery tube of the present invention;

FIG. 3 is a schematic diagram of a sub-assembly of the present invention;

FIG. 4 is a schematic view showing the structure of a particle classifying apparatus according to the present invention;

FIG. 5 is a schematic view of the tail collection and delivery assembly of the present invention;

in the figure: 1 sealed body, 2 storage barrels, 201 conveying pipes, 3 primary particle grading components, 301 external fixed barrels, 302 internal connected barrels, 303 internal flow dividing components, 304 ring joint seats, 305 hinge shaft components, 306 telescopic cylinder components, 307 rotating motors, 308 external shaft covers, 309 internal guide pipes, 310 airflow pumps, 4 secondary distribution components, 401 external barrel seats, 402 internal sieve seats, 403 diversion suite components, 404 internal rotary vane plates, 405 internal conveying components, 406 discharge pipes, 5 tail collecting and discharging components, 501 external collecting covers, 502 internal baffle plates, 503 drainage guide components, 504 airflow pressurizer, 6 particle grading devices, 601 filtering ring barrels, 602 and 603 receiving internal disks.

Detailed Description

Referring to fig. 1, in an embodiment of the present invention, a grain composition control apparatus for high performance cement production includes:

sealing the machine body 1;

the storage cylinder 2 is internally and quantitatively stored with mixed granular cement, one end of the storage cylinder 2 is communicated with a conveying pipe 201, and one end of the conveying pipe 201 is connected with the sealing machine body 1;

a primary particle grading component 3 disposed above the inside of the sealed body 1, one end of the duct 201 communicating with the primary particle grading component 3;

the secondary distribution components 4 are symmetrically arranged in the middle of the sealed machine body 1 and are positioned at two sides of the primary particle grading component 3; and

the tail collecting and discharging assembly 5 is arranged on the lower end face of the sealed machine body 1 and communicated with the secondary distribution assemblies 4, and meanwhile, the tail collecting and discharging assembly can send cement particles with graded medium particle sizes back to the primary particle grading assembly again, and after two or more backflow operations are completed, the collection of the cement particles with medium particle sizes is carried out, so that the cement particles in a mixed particle state are correspondingly and effectively graded, and later-stage grading adjustment is facilitated.

In the present embodiment, the primary particle grading component 3 includes:

an outer stationary barrel 301;

an inner connecting cylinder 302 coaxially fixed in the outer fixed cylinder 301;

the inner shunt member 303 is coaxially arranged below the inner part of the inner connecting cylinder 302, and an annular seat 304 is arranged outside the inner shunt member 303 in a relatively rotatable manner;

hinge members 305 provided in a plurality of sets in a circumferential array and configured in a two-stage foldable structure, wherein one end of each hinge member 305 is rotatably connected to the ring joint base 304;

a telescopic cylinder member 306 vertically arranged in the inner connecting cylinder 302 in a relatively rotatable manner through a bearing, wherein an output end of the telescopic cylinder 306 is hinged with each hinge shaft member 305;

a rotating motor 307 arranged on the outer fixed cylinder 301, wherein an output shaft of the rotating motor 301 is connected with the telescopic cylinder member 306;

an outer shaft cover 308 fixed below the inner connecting cylinder 302 in a sleeved manner, wherein the outer shaft cover 308 is communicated with the secondary distribution assembly 4 positioned on the left side; and

the inner guide pipe 309 is communicated with the inner flow dividing piece 303, one end of the inner guide pipe 309 is communicated with the secondary distribution assembly 4 positioned on the right side in the inner guide pipe, and the hinge shaft piece is controlled to be correspondingly bent and deformed through the telescopic action of the telescopic cylinder piece, so that the multi-stage adjustment of different hinge shaft outer diameter size ranges is achieved, particularly under the condition that the cement inner polymerization phenomenon is serious and small-particle-size dispersed particles cannot be normally formed, the cement particles are almost completely positioned on an inner ring layer in an inner connecting cylinder during centrifugal dispersion, and the cement particles are dispersed by the hinge shaft piece through the rotating action of the rotating motor; and simultaneously, the cement particles with larger unit particle size and relatively heavier mass are dispersed in the outer ring layer of the inner connecting cylinder and are conveyed to the left secondary distribution assembly through the outer shaft cover, and the cement particles with smaller unit particle size and relatively lighter mass are dispersed in the inner ring layer of the inner connecting cylinder and are conveyed to the right secondary distribution assembly through the inner conduit.

As a preferred embodiment, the method further comprises the following steps:

the air flow pumps 310 are symmetrically arranged at two sides of the lower portion of the inner portion of the outer fixing barrel 301, the discharge ends of the air flow pumps 310 are communicated with the inner connecting barrel 302, the two air flow pumps are transversely arranged in a staggered mode and can simultaneously convey drainage gas to the inner connecting barrel at a constant pressure, and efficient centrifugal dispersion of cement particles is facilitated.

In this embodiment, the secondary distribution assembly 4 includes:

an outer cylinder holder 401 embedded in the outer fixed cylinder 301;

an inner sieve base 402 coaxially arranged in the outer cylinder base 401;

a particle grading device 6 which is arranged in the inner sieve base 402 in a relatively rotatable manner;

the flow guide sleeve 403 is obliquely fixed in the outer fixed cylinder 301, and one end of the flow guide sleeve 403 is connected with the outer cylinder seat 401;

a discharge pipe 406 connected to the flow guide set 403, wherein one end of each discharge pipe 406 is in communication with the outer shaft housing 308 and the inner conduit 309.

In this embodiment, an inner hinge plate 404 is coaxially disposed in the flow guide sleeve 403, and the inner hinge plate 404 is matched and close to the inner wall of the flow guide sleeve 403, and forms negative pressure absorption under the rotation action;

an inner delivery member 405 is also disposed within the flow directing sleeve assembly 403.

In this embodiment, the diversion sleeve assembly 403 on the left side is communicated with the inner screen seat 402, and the diversion sleeve assembly 403 on the right side is communicated with the outer cylinder seat 401; the inner conveying element 405 on the right side is communicated with the inner sieve base 402, and the inner conveying element 405 on the left side is communicated with the outer cylinder base 401 through an inner discharge pipe (not shown in the figure); in the right secondary distribution component, medium-particle-size cement particles are mixed in large-particle-size cement particles, the large-particle-size cement and the medium-particle-size cement are directly absorbed into an inner conveying part through the rotary negative pressure absorption effect of an inner rotary vane plate and are conveyed into an outer cylinder seat through an inner discharge pipe, at the moment, most of the large-particle-size cement is discharged into an inner sieve seat, the inner sieve seat sieves the large-particle-size cement, the medium-particle-size cement is preliminarily collected by a particle grading device, and meanwhile, the large-particle-size cement is reserved in the inner sieve seat and is discharged outside; for the left secondary distribution component, medium-particle-size cement particles are mixed in small-particle-size cement particles, the small-particle-size cement particles and the medium-particle-size cement particles are directly absorbed into the inner conveying piece through the rotary negative pressure absorption effect of the inner rotary vane plate and are directly conveyed into the inner sieve base, and the inner sieve base is used for sieving to enable the small-particle-size cement particles to be reserved in the outer cylinder base and discharged outwards; at the moment, the particle grading device can simultaneously remove and collect cement particles with small particle size; it should be noted that the inner screen seat on the left side has a larger screening aperture than the inner screen seat on the right side.

As a preferred embodiment, the particle classifying means 6 includes:

a filter ring cylinder 601;

a plurality of separators 602 arranged in a circumferential array, wherein each separator 602 vertically penetrates through the filter ring cylinder 601; and

accept inner disc 603, but relative pivoted coaxial setting is in filter ring section of thick bamboo 601, accept to be equipped with the opening on the inner disc 603, just the outer wall of accepting inner disc 603 with separator 602 offsets and leans on closely.

In this embodiment, the tail collecting and discharging assembly 5 includes:

an outer collecting cover 501 coaxially disposed in the sealed housing 1;

an inner partition 502 vertically fixed to the inner middle side of the outer collecting cover 501;

drainage guides 503 symmetrically arranged in the outer collection cover 501 at two sides of the inner partition 502; and

and the airflow plenum 504 is symmetrically arranged below the inner part of the outer collecting cover 501.

In this embodiment, the outer collecting cover 501 is further communicated with a return pipe, and one end of the return pipe is communicated with the primary particle grading component 3, so that secondary or multiple reflux grading of cement particles is facilitated, and grading precision is improved.

Specifically, in cement particle grading control, cement concrete in a mixed particle state can be conveyed into a sealed machine body through a conveying pipe, vertical telescopic adjustment is carried out through the rotary driving action of a rotary motor and a telescopic cylinder piece, so that a hinge shaft piece can achieve effective adjustment in a certain outer diameter range, the hinge shaft piece is used for scattering cement particles of a polymerized block and providing centrifugal dispersion action for the cement particles, at the same time, cement particles with relatively heavy mass are dispersed in an outer ring layer in an inner connecting cylinder and are conveyed into a left secondary distribution assembly through an outer shaft cover, unit particle size is small, cement particles with relatively light mass are dispersed in an inner ring layer in the inner connecting cylinder and are respectively conveyed into secondary distribution assemblies on two sides through the outer shaft cover and an inner guide pipe correspondingly, the secondary distribution assembly on the left side removes and separates cement particles with medium particle size mixed in cement particles with large particle size, and the secondary distribution assembly on the right side rejects and separates the medium-particle-size cement particles mixed in the small-particle-size cement particles, and then the tail part collecting and discharging assembly collects and concentrates the medium-particle-size cement particles, and the medium-particle-size cement particles are returned to the primary particle grading assembly through the return pipe to be graded again, so that the grading precision is improved, and later-stage blending work is facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.