CN119186990A - Cement grinding granularity detecting system - Google Patents
Cement grinding granularity detecting system Download PDFInfo
- Publication number
- CN119186990A CN119186990A CN202411709841.XA CN202411709841A CN119186990A CN 119186990 A CN119186990 A CN 119186990A CN 202411709841 A CN202411709841 A CN 202411709841A CN 119186990 A CN119186990 A CN 119186990A
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- screening
- tank
- box body
- particle size
- cement grinding
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0272—Investigating particle size or size distribution with screening; with classification by filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/26—Revolving drums with additional axial or radial movement of the drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Crushing And Grinding (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of cement production and discloses a cement grinding granularity detection system which comprises a detection support, a box body, a plurality of screening tanks, screening nets and a release component, wherein the detection support is provided with a feeding tank, the box body is arranged on the detection support and is positioned at the bottom of the feeding tank, the screening tanks are arranged on the outer wall, the top and the bottom of the box body respectively, the screening nets are arranged on the outer wall, the top and the bottom of the screening tanks, the screening nets at the bottom of the screening tanks are in threaded connection with the screening tanks, and the release component in the system can open a connecting pipe for preset time when the screening tanks are moved up and down for preset times by a vibration component, so that a part of cement powder is intermittently released. The design effectively avoids the problem of blocking of the screen holes caused by excessive materials in the screening process, reduces powder flying and sample loss, and ensures screening efficiency and accuracy of results. By controlling the feeding amount and optimizing the screening process, the system remarkably improves the precision and efficiency of cement grinding particle size detection, and provides a more reliable detection means for cement production.
Description
Technical Field
The invention relates to the technical field of cement production, in particular to a cement grinding granularity detection system.
Background
In the cement manufacturing process, cement grinding is an important link for determining the quality and performance of cement. The purpose of cement grinding is to grind clinker, gypsum and other additives to proper fineness so as to ensure that the hydration reaction of cement is fully carried out and further achieve the expected strength and durability. The uniformity and fineness of particle size are important indicators of cement performance, and particle size detection technology therefore plays an important role in cement production.
Sieving is a classical and widely used technique for the detection of the particle size of cement grinding, by separating the powder particles using screens of different pore sizes to determine their particle size distribution. The method is simple to operate and low in cost, is suitable for particle detection in various particle size ranges, and is based on different particle sizes, powder passes through a series of screens with different pore diameters through vibration or other mechanical acting forces, smaller particles pass through the screens, and larger particles are trapped on the screens. The mass percentages of the respective fractions were calculated by weighing the residue on each sieve screen, thereby obtaining the particle size distribution of the powder.
In the screening method process of cement grinding granularity detection, if too much material is put into a screen at one time, the screening efficiency and the accuracy of the result are negatively affected. Too much material can cause clogging of the screen holes, reducing screening efficiency, making it difficult for fine particles to pass through the screen, thereby affecting accuracy of the particle size distribution data.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a cement grinding granularity detection system, which aims at alleviating the problems at least to a certain extent.
The technical aim of the invention is realized by the following technical scheme:
a cement grinding particle size detection system comprising:
The detection support is provided with a feeding tank;
The box body is arranged on the detection bracket and is positioned at the bottom of the feeding tank;
The screening tanks are arranged on the outer wall of the box body, screening nets are respectively arranged on the outer wall, the top and the bottom of the screening tanks, and the screening nets at the bottom of the screening tanks are in threaded connection with the screening tanks;
The top of the connecting pipe is communicated with the feeding tank, and the bottom of the connecting pipe penetrates through a screening net at the top of the screening tank to be communicated with the screening tank;
a vibrating component for moving the screening tank up and down is arranged between the box body and the screening tank;
The release component is arranged between the box body and the connecting pipe and is used for opening and closing the connecting pipe;
Wherein the release part can open the connecting pipe for preset time when the vibrating part moves up and down the screening tank for preset times;
Wherein the vibration member is capable of rotating the screening tank by a preset angle when the screening tank is moved up and down.
Preferably, the vibration part comprises a connecting boss arranged on one side of the screening tank, the connecting boss extends into the box body and is in sliding connection with the box body, a rotary table is rotationally connected in the box body, and a top contact boss is connected with the top of the rotary table.
Preferably, the outer wall of the screening tank is connected with a connecting ring, and the connecting ring is connected to the connecting boss in a sliding manner.
Preferably, a connecting shaft connected with the screening net at the top of the screening tank is arranged at the bottom of the connecting pipe, and a first spring is arranged between the connecting shaft and the connecting pipe.
Preferably, the connecting shaft is connected with a gear in a sliding manner, the box body is connected with a connecting frame rotationally connected with the gear, and the connecting frame is connected with a rack meshed with the gear in a sliding manner.
Preferably, the top of the connecting boss is connected with a push rod, a push contact block is connected in the rack, and a second spring is connected between the rack and the connecting frame.
Preferably, the release member comprises a plugging frame arranged in the feed tank, the plugging frame can seal the top of the connecting pipe, the bottom of the plugging frame extends to the bottom of the feed tank, and a third spring is connected between the plugging frame and the feed tank.
Preferably, the box body is connected with a rotating shaft in a rotating way, the rotating disc is connected to the rotating shaft, a reciprocating screw rod is connected to the rotating shaft, a movable ring is connected to the reciprocating screw rod in a threaded way, a limiting pipe is connected to the top of the movable ring, and a limiting rod connected with the limiting pipe in a sliding way is connected to the top of the box body.
Preferably, the top of the shaft extends into the feed tank and is connected with a plurality of vanes.
Preferably, the detection support is connected with a motor, and a driving shaft of the motor is connected with the rotating shaft.
In summary, the invention has the following advantages:
The system can effectively detect the granularity of cement grinding particles. Vibration components in the system cause the sifter tank to vibrate during up and down movement, which vibration aids in the even distribution of powder within the sifter tank and promotes the passage of powder through the sifter screen. The rotary motion of the screening tank provides centrifugal force, so that the contact between the powder and the screen mesh is enhanced, and the screening efficiency and accuracy are improved. This rotational movement helps to reduce particle packing and enables the powder in the screening tank to be evenly distributed over each section of the screening mesh, thereby ensuring the integrity and uniformity of screening.
In addition, the release member in the system can open the connection pipe for a preset time when the vibration member moves up and down the screening can for a preset number of times, thereby intermittently releasing a portion of cement powder. The design effectively avoids the problem of blocking of the screen holes caused by excessive materials in the screening process, reduces powder flying and sample loss, and ensures screening efficiency and accuracy of results. By controlling the feeding amount and optimizing the screening process, the system remarkably improves the precision and efficiency of cement grinding particle size detection, and provides a more reliable detection means for cement production.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the case of the present invention;
FIG. 3 is a schematic view of the feed tank structure of the present invention;
FIG. 4 is a schematic diagram of the turntable structure of the present invention;
FIG. 5 is a schematic view of a connection boss structure of the present invention;
FIG. 6 is a schematic view of the structure of the connecting shaft of the present invention;
fig. 7 is a schematic diagram of the structure of the plugging frame of the present invention.
Reference numerals:
100. The device comprises a detection bracket, a feeding tank, a box body, a screening tank, a screening net, a 105 and a connecting pipe, wherein the detection bracket is arranged in the box body;
200. connecting boss, 201, turntable, 202, propping boss, 203, connecting ring, 204, connecting shaft, 205, first spring, 206, gear, 207, connecting frame, 208, rack, 209, ejector rod, 210, propping block, 211, second spring;
300. A plugging frame; 301, a third spring, 302, a rotating shaft, 303, a reciprocating screw rod, 304, a moving ring, 305, a limiting pipe, 306, a limiting rod, 307, a blade, 308 and a motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, a cement grinding particle size detection system includes:
the detection bracket 100, wherein the detection bracket 100 is provided with a feeding tank 101;
the box body 102 is arranged on the detection bracket 100, and the box body 102 is positioned at the bottom of the feeding tank 101;
the screening tanks 103 are arranged on the outer side wall of the box body 102, screening nets 104 are respectively arranged on the outer wall, the top and the bottom of the screening tank 103, and the screening nets 104 at the bottom of the screening tank 103 are in threaded connection with the screening tank 103;
The connecting pipe 105 is arranged between the feeding tank 101 and the screening tank 103, the top of the connecting pipe 105 is communicated with the feeding tank 101, and the bottom of the connecting pipe 105 passes through the screening net 104 at the top of the screening tank 103 to be communicated with the screening tank 103;
a vibrating component for moving the sieving tank 103 up and down is arranged between the box body 102 and the sieving tank 103;
A release member provided between the case 102 and the connection pipe 105 for opening and closing the connection pipe 105;
wherein the release member is capable of opening the connection pipe 105 for a preset time when the vibration member moves up and down the sieving tank 103 for a preset number of times;
wherein the vibration member is capable of rotating the sieving tank 103 by a preset angle when the sieving tank 103 is moved up and down;
By arranging the feeding tank 101, cement grinding particles needing to be subjected to particle size detection can be sampled in the feeding tank 101, when the feeding tank 101 is applied, an operator can start a vibrating component, the vibrating component moves up and down the position of the screening tank 103 to enable the screening tank 103 to vibrate, a connecting pipe 105 can be opened for preset time when the screening tank 103 moves up and down to a preset number of times, at the moment, part of cement powder in the feeding tank 101 can enter the screening tank 103 through the connecting pipe 105, screening nets 104 on a plurality of screening tanks 103 can be provided with meshes with different diameters for collecting particles with different particle sizes in a specific application, the cement powder entering the screening tank 103 can be screened by vibrating generated by the up and down movement of the screening tank 103, the powder smaller than the mesh diameter is shaken out of the screening tank 103, the cement particles larger than the mesh diameter are reserved in the screening tank 103, realizing particle collection, a plurality of screening tanks 103 work simultaneously, multistage screening can be completed rapidly, the screening net 104 of the screening tanks 103 has different apertures, samples with different granularity can be screened in a grading way, after screening is finished, operators can collect samples with different granularity in each screening tank 103 respectively, the particle size distribution condition of cement grinding particles can be obtained through analysis of the samples with different granularity, further production and quality control are guided, further, the arranged release component can open the connecting pipe 105 for preset time when the screening tank 103 moves up and down for preset times through the vibration component, when the screening work is carried out, the connecting pipe 105 is intermittently opened to release a part of cement powder so as to ensure that a large amount of cement powder sample to be detected is not poured into the screening tank 103 during screening, the screening efficiency is prevented from being influenced due to the fact that particles in the screening tank 103 cannot jump due to the fact that more powder is contained, screening precision and efficiency are improved, in addition, when the screening tank 103 moves up and down through the vibrating component, the screening tank 103 can rotate by a preset angle, when the particles stored in the screening tank 103 are gradually contained, the new batch of powder can impact the screening net 104 at the top of the screening tank 103 in the process of up-and-down movement of the screening tank 103, the screening tank 103 rotates, centrifugal force can be provided for the powder and the particles, the powder and the particles impact the screening net on the side wall and the side wall of the screening tank 103, the powder and the particles are distributed more uniformly when impacting the side wall of the screening tank 103, and the powder and the particles are further screened through the screening net 104 on the side wall. The rotary motion not only improves screening efficiency, but also can effectively reduce accumulation of particles and ensure comprehensiveness and uniformity of screening every time, thereby further improving screening precision and efficiency, solving the problem that excessive materials are put in the screen at one time in the prior art, and negatively affecting screening efficiency and accuracy of results. Too much material can cause the screen mesh to block up, reduces screening efficiency for fine particles are difficult to pass through the screen cloth, thereby influences the problem of the accuracy of particle size distribution data.
As a further scheme of the invention, the vibration part comprises a connecting boss 200 arranged at one side of the screening tank 103, the connecting boss 200 extends into the box body 102 and is in sliding connection with the box body 102, a turntable 201 is connected in the box body 102 in a rotating way, and a top contact boss 202 is connected at the top of the turntable 201;
through setting up carousel 201, when using, the rotatable carousel 201 of operating personnel, carousel 201 rotation can drive the top of its top and touch boss 202 rotation, can contact with connection boss 200 when the boss 202 is touched to the top and predetermine the angle, can oppress connection boss 200 to let connection boss 200 upwards move, connection boss 200 can drive screening jar 103 and upwards move, when boss 202 leaves connection boss 200 is touched in the top, screening jar 103 receives gravity to reset downwards, thereby realizes letting screening jar 103 reciprocate and produces the purpose of vibration.
As a further scheme of the invention, the outer wall of the screening tank 103 is connected with a connecting ring 203, and the connecting ring 203 is connected on the connecting boss 200 in a sliding way;
by providing the connection ring 203, the connection ring 203 can connect the screening tank 103 with the connection boss 200.
As a further scheme of the invention, a connecting shaft 204 connected with the screening net 104 at the top of the screening tank 103 is arranged at the bottom of the connecting pipe 105, and a first spring 205 is arranged between the connecting shaft 204 and the connecting pipe 105;
Through setting up connecting axle 204, when screening jar 103 upwards moves, the connecting axle 204 of setting can guarantee to be connected between connecting pipe 105 and the screening jar 103, and the first spring 205 of setting can let the screening jar 103 produce the potential energy when upwards moving, makes things convenient for the reset of follow-up screening jar 103, and in addition, the elasticity of first spring 205 can also provide the helping hand when screening jar 103 moves down, reinforcing vibration effect to improve screening efficiency. When the vibration component drives the screening tank 103 to move up and down, the elastic potential energy of the first spring 205 can effectively buffer vibration impact, so that the structural integrity of the screening device is protected, and the service life of equipment is prolonged. The stable connection of the screening tank 103 and the connecting pipe 105 through the connecting shaft 204 avoids the problems of powder leakage and screening precision reduction in the up-and-down movement process, and the design ensures that the screening tank 103 can stably and continuously work in the vibration process, and ensures that cement powder is sufficiently classified and screened in the screening process. Finally, the particle size distribution of the cement grinding particles can be accurately obtained through the particle size analysis of each sieving tank 103, so that the production and quality control are guided, and the quality and performance of cement products are improved.
As a further scheme of the invention, a gear 206 is connected on the connecting shaft 204 in a sliding way, a connecting frame 207 which is connected with the gear 206 in a rotating way is connected on the box body 102, and a rack 208 which is meshed with the gear 206 is connected on the connecting frame 207 in a sliding way;
Through setting up gear 206, the link 207 of setting can restrict gear 206's position, when screening jar 103 upwards moves, and connecting axle 204 can slide in gear 206, when needs are rotatory screening jar 103, the position of movable rack 208 can let screening jar 103 regard connecting axle 204 as the centre of a circle rotatory, through this kind of design, screening jar 103 not only can reciprocate in the vibration in-process, can also rotate when required, has further strengthened screening effect. The rotating action causes the powder and particles to be more evenly distributed within the screening tank 103, avoiding particles from accumulating on one side of the screening tank 103, thereby improving the uniformity and accuracy of screening. Meanwhile, the rotation can promote the contact of the particles and the screen, so that the efficiency of the particles passing through the screen is enhanced, and the screening efficiency is further improved.
As a further scheme of the invention, the top of the connecting boss 200 is connected with a push rod 209, a rack 208 is connected with a push contact block 210, and a second spring 211 is connected between the rack 208 and the connecting frame 207;
Through setting up ejector pin 209, when connecting boss 200 upwards moves in order to let screening jar 103 upwards move, ejector pin 209 upwards moves and can oppress top contact block 210, top contact block 210 atress produces and moves and can drive rack 208 and move, rack 208 can let connecting axle 204 rotate through gear 206, connecting axle 204 rotate and can drive screening jar 103 rotation, when connecting boss 200 downwards resets, ejector pin 209 leaves top contact block 210, rack 208 receives the power of second spring 211 to reset, can let screening jar 103 reset rotation, this design has ensured screening jar 103 can also carry out necessary rotary operation when carrying out the reciprocates for the material in the screening jar 103 obtains abundant vibration and screening. Through the cooperation of ejector pin 209 and top touch piece 210, automatic triggering rotation action when screening jar 103 rises at every turn has further optimized screening effect. The precise engagement of the racks 208 and the gears 206 allows for stable and controlled rotation of the screening can 103, avoiding possible misalignment or instability during rotation.
As a further scheme of the invention, the release part comprises a plugging frame 300 arranged in the feeding tank 101, the plugging frame 300 can seal the top of the connecting pipe 105, the bottom of the plugging frame 300 extends to the bottom of the feeding tank 101, and a third spring 301 is connected between the plugging frame 300 and the feeding tank 101;
Through setting up third spring 301, the position of shutoff frame 300 can be restricted to third spring 301, can let shutoff frame 300 seal the top of connecting pipe 105 to avoided cement powder's overflow, when needs carry out the screening, screening jar 103 moves down and drives shutoff frame 300 and move down, makes the top of connecting pipe 105 open, and cement powder can get into connecting pipe 105 smoothly and get into screening jar 103 and carry out the screening operation.
As a further scheme of the invention, a rotating shaft 302 is rotatably connected to the box body 102, a turntable 201 is connected to the rotating shaft 302, a reciprocating screw rod 303 is connected to the rotating shaft 302, a movable ring 304 is connected to the reciprocating screw rod 303 in a threaded manner, a limiting pipe 305 is connected to the top of the movable ring 304, and a limiting rod 306 which is connected with the limiting pipe 305 in a sliding manner is connected to the top of the box body 102;
By arranging the reciprocating screw rod 303, when the reciprocating screw rod 303 is used, the rotating shaft 302 can rotate, the reciprocating screw rod 303 can upwards move the position of the moving ring 304, the moving ring 304 can contact the plugging frame 300 at the bottom of the feed tank 101 when upwards moving to a preset position, the connecting ring 203 can prop against the position of the plugging frame when continuously upwards moving, the plugging frame can upwards move away from the connecting pipe 105, so that the purpose of opening the connecting pipe 105 is realized, when the rotating shaft 302 continuously rotates, the reciprocating screw rod 303 rotates to enable the moving ring 304 to move to a limit position, and then downwards move, so that the plugging frame is reset, and the purpose of closing the connecting pipe 105 is realized.
As a further aspect of the invention, the top of the shaft 302 extends into the feed tank 101 and is connected with a plurality of vanes 307;
Through setting up blade 307, can stir the cement powder in the feed tank 101 when pivot 302 is rotatory, prevent that the powder from caking and depositing in the feed tank 101 to guarantee that cement powder evenly gets into connecting pipe 105, improve screening's accuracy and efficiency. The stirring action of the blades 307 can keep the powder in the feed tank 101 in a flowing state, ensure smooth powder delivery to the sieving tank 103 when the connecting pipe 105 is opened, and avoid powder blocking the connecting pipe 105.
As a further scheme of the invention, a motor 308 is connected to the detection bracket 100, and a driving shaft of the motor 308 is connected with the rotating shaft 302;
By providing the motor 308, the motor 308 is provided to provide a driving force for the rotation of the shaft 302.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411709841.XA CN119186990B (en) | 2024-11-27 | 2024-11-27 | A cement grinding particle size detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411709841.XA CN119186990B (en) | 2024-11-27 | 2024-11-27 | A cement grinding particle size detection system |
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| CN119186990A true CN119186990A (en) | 2024-12-27 |
| CN119186990B CN119186990B (en) | 2025-03-07 |
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| CN202411709841.XA Active CN119186990B (en) | 2024-11-27 | 2024-11-27 | A cement grinding particle size detection system |
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| CN119186990B (en) | 2025-03-07 |
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