CN112174555B

CN112174555B - Production process of high fluidity cement

Info

Publication number: CN112174555B
Application number: CN202011133020.8A
Authority: CN
Inventors: 刘方权; 石小芳; 曹汉华; 姚红飞
Original assignee: Hangzhou Shanya South Cement Co ltd
Current assignee: Hangzhou Shanya South Cement Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2022-05-13
Anticipated expiration: 2040-10-21
Also published as: CN112174555A

Abstract

The invention discloses a production process of high fluidity cement, which comprises the following steps: a. crushing and pre-homogenizing: in the production process of broken cement, most raw materials such as limestone, clay, iron ore, coal and the like are broken; b. preparing raw materials: processing the raw materials in a series of processes to obtain the product with certain fineness; c. preheating and decomposing; d. calcining clinker: calcining the raw materials in a forging box until the raw materials are partially molten; e. cement grinding: c, adding some mixed materials or additives added in the step d into a mixing box together, grinding and uniformly stirring to obtain cement; d. and (6) packaging the cement. According to the production process of the high-fluidity cement, the clinker is comprehensively stirred by the two stirring bodies at the lower end of the rotating column, so that the product quality is improved, the raw material grinding speed and the temperature of the forging box are adjusted by the control device, and the working efficiency is improved.

Description

Production process of high fluidity cement

Technical Field

The invention relates to the technical field of cement production, in particular to a production process of high-fluidity cement.

Background

Cement is a powdery hydraulic inorganic binder, which is added with water and stirred to form a slurry, and can be hardened in the air or in water, and can firmly bind materials such as sand, stone and the like together, so that cement is an important binder and is indispensable in civil construction, water conservancy, national defense and other projects. 1. When the existing cement production equipment stirs the clinker, the single-layer stirring blade can only stir the clinker at the bottom, but the clinker at the upper layer is not well stirred, so that more time is needed for uniformly mixing and the quality is lower; 2. the existing cement production equipment cannot well control the speed of a raw material mill and the temperature of a forging box, cannot be adjusted according to different raw materials, wastes energy and has low working efficiency.

Disclosure of Invention

The invention mainly aims to provide a production process of high fluidity cement, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

a production process of high fluidity cement comprises the following steps:

a. crushing and pre-homogenizing: in the production process of broken cement, most raw materials such as limestone, clay, iron ore, coal and the like are broken;

b. preparation of raw materials: processing the raw materials in a series of processes to obtain the product with certain fineness;

c. preheating and decomposing;

d. calcining clinker: calcining the raw materials in a forging box until the raw materials are partially molten;

e. cement grinding: c, adding some mixed materials or additives added in the step d into a mixing box together, grinding and uniformly stirring to obtain cement;

d. packaging the cement;

the clinker mixing device comprises a clinker mixing box and a forging box in the steps (d) and (e), wherein a first feed inlet is fixedly arranged at the left end of the clinker mixing box, a mixing device is fixedly arranged at the middle of the upper end of the clinker mixing box, a water inlet pipe is fixedly arranged at the right end of the clinker mixing box, a clinker conveying pipe is fixedly arranged at the lower part of the right end of the clinker mixing box, a discharging device is fixedly arranged at the lower end of the clinker conveying pipe, a raw material conveying pipe is fixedly arranged between the clinker mixing box and the forging box, two supporting legs are fixedly arranged at the front part of the lower end of the clinker mixing box and the rear part of the lower end of the forging box, a raw material mill is fixedly arranged at the upper end of the raw material mill, a second feed inlet is fixedly arranged at the upper end of the raw material mill, and a control device is fixedly arranged at the middle part of the front end of the forging box.

Preferably, the blending device includes the rotation motor, it has the rotation post to rotate motor output fixed mounting, it installs two stirring bodies to rotate the interlude of post lower extreme, two fixed mounting has two fixed columns between the stirring body, the stirring body is cross structure, the rotation post is located the inside of grog blending box, it installs at the upper end middle part of grog blending box to rotate motor fixed mounting.

Preferably, controlling means includes the control box, control box front end left part fixed mounting has the display screen, control box front end right part fixed mounting has the thermometer, control box lower extreme fixed mounting has a plurality of operating button, control box fixed mounting is at the front end of forging the case.

Preferably, the discharging device comprises a roller press, a clinker conveying pipe joint is formed in the middle of the upper end of the roller press, a rolling transmission motor is fixedly installed in the middle of the front end of the roller press, a discharging port is fixedly installed at the lower portion of the front end of the roller press, and the roller press is fixedly installed at the lower end of the clinker conveying pipe.

Preferably, the stirring body is positioned in the clinker blending box and is not contacted with the inner wall of the clinker blending box.

Preferably, the control device is electrically connected with the forging box and the raw material mill, and the rolling transmission motor is electrically connected with the rolling machine.

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

1. according to the production process of the high-fluidity cement, the two stirring bodies are arranged at the lower end of the rotating column on the blending device, so that the clinker at the upper end and the clinker at the lower end can be effectively stirred during stirring, the clinker at the upper end is prevented from being stirred unevenly, the stirring time is saved, and the product quality is improved.

2. According to the production process of the high fluidity cement, the speed of the raw material mill and the temperature of the forging box are controlled by the control device, so that the raw material mill and the forging box can be adjusted according to different raw material requirements, energy consumption is saved, and working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a process for producing a high fluidity cement according to the present invention;

FIG. 2 is a schematic view of the whole structure of a blending device in the production process of high fluidity cement of the present invention;

FIG. 3 is a schematic view of the overall structure of a control device for the production process of high fluidity cement according to the present invention;

FIG. 4 is a schematic view of the overall structure of a discharging device in the process for producing high fluidity cement of the present invention;

in the figure: 1. a clinker blending box; 2. forging a box; 3. a blending device; 4. a control device; 5. a discharging device; 6. a water inlet pipe orifice; 7. a first feed port; 8. a second feed port; 9. grinding raw materials; 10. a raw material conveying pipe; 11. supporting legs; 12. a clinker conveying pipe; 30. rotating the motor; 31. rotating the column; 32. a stirring body; 33. fixing a column; 40. a control box; 41. a thermometer; 42. a display screen; 43. an operation button; 50. a roll squeezer; 51. a clinker conveying pipe interface; 52. a rolling transmission motor; 53. and (4) a discharge port.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a process for producing high fluidity cement includes the following steps:

c. preheating and decomposing;

e. cement grinding: c, adding the cement processed in the step d and the additive into a mixing box together, and grinding and uniformly stirring to obtain cement;

d. packaging the cement;

the clinker mixing box comprises a clinker mixing box 1 and a forging box 2 in the steps (d) and (e), a first feed inlet 7 is fixedly installed at the left end of the upper end of the clinker mixing box 1, a mixing device 3 is fixedly installed in the middle of the upper end of the clinker mixing box 1, a water inlet pipe orifice 6 is fixedly installed at the right end of the upper end of the clinker mixing box 1, a clinker conveying pipe 12 is fixedly installed at the lower portion of the right end of the clinker mixing box 1, a discharging device 5 is fixedly installed at the lower end of the clinker conveying pipe 12, a raw material conveying pipe 10 is fixedly installed between the clinker mixing box 1 and the forging box 2, two supporting legs 11 are fixedly installed at the front portion and the rear portion of the lower end of the clinker mixing box 1 and the forging box 2, a raw material mill 9 is fixedly installed at the upper end of the forging box 2, a second feed inlet 8 is fixedly installed at the upper end of the raw material mill 9, and a control device 4 is fixedly installed in the middle of the front end of the forging box 2.

The blending device 3 comprises a rotating motor 30, a rotating column 31 is fixedly installed at the output end of the rotating motor 30, two stirring bodies 32 are installed at the lower end of the rotating column 31 in a penetrating mode, two fixing columns 33 are fixedly installed between the two stirring bodies 32, the stirring bodies 32 are in a cross-shaped structure, the rotating column 31 is located inside the clinker blending box 1, the rotating motor 30 is fixedly installed in the middle of the upper end of the clinker blending box 1, the two stirring bodies 32 are fixed through the fixing columns 33, and the two stirring bodies 32 at the lower end are driven to rotate by the rotating column 31; the control device 4 comprises a control box 40, a display screen 42 is fixedly installed at the left part of the front end of the control box 40, a thermometer 41 is fixedly installed at the right part of the front end of the control box 40, a plurality of operation buttons 43 are fixedly installed at the lower end of the control box 40, the control box 40 is fixedly installed at the front end of the forging box 2, and the control box 40 controls the speed of the raw material mill 9 and the temperature of the forging box 2; the discharging device 5 comprises a roller press 50, the middle of the upper end of the roller press 50 is provided with a clinker conveying pipe interface 51, the middle of the front end of the roller press 50 is fixedly provided with a rolling transmission motor 52, the lower part of the front end of the roller press 50 is fixedly provided with a discharging hole 53, the roller press 50 is fixedly arranged at the lower end of the clinker conveying pipe 12, and the rolling transmission motor 52 drives the roller press 50 to grind clinker; the stirring body 32 is positioned in the clinker blending box 1 and is not contacted with the inner wall of the clinker blending box 1; the control device 4 is electrically connected with the forging box 2 and the raw material mill 9, and the rolling transmission motor 52 is electrically connected with the rolling machine 50.

It should be noted that the invention is a production process of high fluidity cement, put limestone, clay and iron ore raw materials into raw material mill 9 to levitate through the second feed inlet 8, introduce the raw meal into the forging box 2 to calcine after levitating, control the speed of the raw material mill 9 and the temperature of the forging box 2 through the controlling device 4 of the front end of the forging box 2, make the raw material mill 9 and the forging box 2 can be adjusted according to different raw material requirements, not only save the consumption of energy but also improve the working efficiency, introduce the calcined clinker into the clinker blending box 1 through the raw meal conveying pipe 10 after calcining, put gypsum and mixed material into through the first feed inlet 7 of the clinker blending box 1, water enters through the water inlet pipe orifice 6, stir the clinker by the blending device 3, install two stirring bodies 32 through the lower end of the rotating column 31, can stir the clinker in all aspects during stirring, clinker at the upper end is prevented from being stirred unevenly, stirring time is saved, and product quality is improved, clinker is uniformly mixed and then is guided into the roller press 50 through the clinker conveying pipe 12, the roller press 50 is driven by the roller press transmission motor 52 to grind the clinker, and finally the clinker is discharged through the discharge hole 53.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present 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 production process of the cement with high fluidity is characterized in that; the method comprises the following steps:

a, crushing and pre-homogenizing: in the production process of broken cement, raw materials of limestone, clay, iron ore and coal are broken;

b, raw material preparation: processing the raw materials in a series of processes to obtain the product with certain fineness;

c, preheating and decomposing;

and d, calcining clinker: calcining the raw meal in a forging box (2) until the raw meal is partially molten;

e, cement grinding: c, adding the clinker processed in the step d and the additive into a clinker blending box (1), and grinding and uniformly stirring to obtain cement;

d, packaging the cement;

wherein, the clinker mixing box (1) is fixedly provided with a first feed inlet (7) at the upper end of the left part, the clinker mixing box (1) is fixedly provided with a mixing device (3) at the upper end of the middle part, the clinker mixing box (1) is fixedly provided with a water inlet pipe orifice (6) at the upper end of the right part, the clinker mixing box (1) is fixedly provided with a clinker conveying pipe (12) at the lower part, the clinker conveying pipe (12) is fixedly provided with a discharging device (5) at the lower end, a raw material conveying pipe (10) is fixedly provided between the clinker mixing box (1) and the forging box (2), the front part of the lower end of the clinker mixing box (1) and the forging box (2) and the rear part of the lower end are fixedly provided with two supporting legs (11), the forging box (2) is fixedly provided with a raw material mill (9) at the upper end, the raw material mill (9) is fixedly provided with a second feed inlet (8), the middle part of the front end of the forging box (2) is fixedly provided with a control device (4);

the blending device (3) comprises a rotating motor (30), a rotating column (31) is fixedly installed at the output end of the rotating motor (30), two stirring bodies (32) are installed at the lower end of the rotating column (31) in a penetrating mode, two fixing columns (33) are fixedly installed between the two stirring bodies (32), the stirring bodies (32) are of a cross structure, the rotating column (31) is located inside the clinker blending box (1), and the rotating motor (30) is fixedly installed in the middle of the upper end of the clinker blending box (1);

the control device (4) comprises a control box (40), a display screen (42) is fixedly mounted at the left part of the front end of the control box (40), a thermometer (41) is fixedly mounted at the right part of the front end of the control box (40), a plurality of operation buttons (43) are fixedly mounted at the lower end of the control box (40), and the control box (40) is fixedly mounted at the front end of the forging box (2);

the discharging device (5) comprises a roller press (50), a clinker conveying pipe joint (51) is formed in the middle of the upper end of the roller press (50), a roller press transmission motor (52) is fixedly installed in the middle of the front end of the roller press (50), a discharging port (53) is fixedly installed on the lower portion of the front end of the roller press (50), and the roller press (50) is fixedly installed at the lower end of a clinker conveying pipe (12);

the stirring body (32) is positioned in the clinker blending box (1) and is not contacted with the inner wall of the clinker blending box (1);

the control device (4) is electrically connected with the forging box (2) and the raw material mill (9), and the rolling transmission motor (52) is electrically connected with the rolling machine (50).