CN116422438A - Device and method for preparing highway subgrade retarding cement - Google Patents

Device and method for preparing highway subgrade retarding cement Download PDF

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Publication number
CN116422438A
CN116422438A CN202310455201.XA CN202310455201A CN116422438A CN 116422438 A CN116422438 A CN 116422438A CN 202310455201 A CN202310455201 A CN 202310455201A CN 116422438 A CN116422438 A CN 116422438A
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China
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fixedly connected
grinding
cement
retarding
block
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CN202310455201.XA
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CN116422438B (en
Inventor
陈熙
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Lianyungang Banzhuang Cement Co ltd
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Lianyungang Banzhuang Cement Co ltd
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Priority to CN202310455201.XA priority Critical patent/CN116422438B/en
Publication of CN116422438A publication Critical patent/CN116422438A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/14Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • B02C19/20Disintegrating by grating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00Hydraulic cements
    • C04B7/36Manufacture of hydraulic cements in general
    • C04B7/48Clinker treatment
    • C04B7/52Grinding ; After-treatment of ground cement
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention discloses a device and a method for preparing retarded cement for highway subgrade, which relate to the technical field of cement and comprise a barrel, wherein a rotating shaft is fixedly arranged on the surface of the barrel, a turbine is fixedly arranged at the output end of the rotating shaft, a discharge hole is arranged on the surface of the barrel in a penetrating way, a first feed inlet and a second feed inlet are arranged on the surface of the barrel in a penetrating way, and the device further comprises: the grinding device is arranged in the second feeding port and used for grinding the retarder cement materials, and the grinding device is arranged in the invention, so that the grinding effect of the retarder cement preparation device on particles and blocky materials is improved, the situation that the particles and blocky materials are inconvenient to stir and fully fused when the retarder cement preparation device is used for stirring is reduced, the particles and blocky materials in the retarder cement materials are convenient to break and decompose, and the working effect of the retarder cement preparation device is improved as much as possible.

Description

Device and method for preparing highway subgrade retarding cement
Technical Field
The invention relates to the technical field of cement, in particular to a device and a method for preparing highway subgrade retarding cement.
Background
With the rapid development of modern construction of highway traffic, cement concrete pavement has become one of the road construction development directions. The construction of the highway base layer requires the delay of the setting time of the concrete, so as to be beneficial to the construction operation and ensure the quality of the base layer. Because the construction season is usually in spring and summer, the air temperature is high, the cement hydration speed is high, the water evaporation is rapid, the concrete slump loss is high, the fluidity is lost quickly, the construction is difficult or the construction quality of a base layer is affected, and the concrete construction is required to have a long working time. Meanwhile, the concrete setting time is prolonged, and early cracks of the base layer caused by the temperature difference effect can be effectively reduced.
The prior art, such as the invention with publication number CN107553720A, discloses a building cement stirring device, which comprises a cylinder body, a feeding port, a rotating shaft, a turbine, stirring teeth, a left upright post, a right upright post and a discharging port; the novel stirring device is novel and unique, and well meets the use requirements of the stirring device by virtue of the design structure of double stirring of the turbine and the stirring teeth, solves the existing problems, ensures that the cement stirring is more uniform, ensures the quality of the cement and improves the working efficiency.
The prior art, such as the invention with publication number CN113800789B, discloses a highway subgrade retarder cement, which comprises the following components in parts by mass: 65-75 parts of silicate cement clinker, 4-6 parts of borax, 14-16 parts of epoxy resin composite fly ash, 2.5-3.5 parts of allyl modified sodium lignin sulfonate, 2.5-3.5 parts of blast furnace slag and 0.15-0.25 part of grinding aid. The invention also provides a preparation method of the highway subgrade retarding cement, which comprises the steps of preparing epoxy resin composite fly ash, preparing allyl modified sodium lignin sulfonate and preparing retarding cement. The delayed coagulation cement has excellent dry shrinkage performance, the 25d dry shrinkage rate is 0.041-0.044%, the wear resistance is strong, and the abrasion loss is 0.86-0.89kg/m < 2 >.
With respect to the above and related art, the inventors believe that there are often the following drawbacks: the retarding cement preparation device is in work, cement and retarding materials are required to be placed into the cylinder for uniform stirring, but partial materials in the retarding cement are particles and blocky, and the particles and blocky materials are inconvenient to stir during stirring work of the retarding cement preparation device, so that the cement and the retarding materials are difficult to fully fuse, and the working efficiency of the retarding cement preparation device is reduced.
Therefore, we propose a device and a method for preparing the retarding cement for the highway subgrade.
Disclosure of Invention
The invention aims to provide a device and a method for preparing retarded cement for a highway subgrade, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a highway subgrade retarding cement preparation facilities and method, includes the barrel, the fixed surface mounting of barrel has the pivot, the output fixed mounting of pivot has the turbine, the surface through-mounting of barrel has the discharge gate, the surface through-mounting of barrel has first feed inlet and second feed inlet, still includes:
the grinding device is respectively arranged in the second feed inlet and used for grinding the retarding cement material, the grinding device comprises a fixing frame fixedly connected to the inner wall of the second feed inlet, the inner wall of the fixing frame is fixedly connected with a motor, and the output end of the motor is fixedly connected with a rotating rod and a pressing block used for grinding the retarding cement material;
the vibrating device is respectively arranged on the arc surface of the rotating rod and used for vibrating the retarding cement material and comprises a supporting ring fixedly connected to the arc surface of the rotating rod, and a first inclined block and a second inclined block which are used for vibrating the retarding cement material;
the splash-proof device is arranged on the arc surface of the second feeding hole and used for blocking the retarding cement material and comprises two supporting plates fixedly connected to the arc surface of the second feeding hole and a sliding plate used for blocking the retarding cement material.
The components achieve the following effects: through setting up grinder, improved the grinding effect of retarder cement preparation facilities to granule and cubic material, reduced retarder cement preparation facilities and stirred the during operation, be inconvenient for stirring granule and cubic material garrulous, make it carry out abundant the condition that fuses, made things convenient for carrying out broken decomposition to granule and cubic material in the retarder cement material, improved retarder cement preparation facilities's work effect as far as possible. Through setting up vibrating device, improved the vibration effect of screening frame among the retarded cement preparation facilities, reduced the condition that the screening frame was stopped up by retarded cement material, improved retarded cement preparation facilities's practicality as far as possible. Through setting up splash guard, improved the retarding cement preparation facilities to broken retarding cement material's that splashes stop work, reduced retarding cement material and dropped ground, caused extravagant condition, improved retarding cement preparation facilities's practicality as far as possible.
Preferably, the grinding device further comprises a first baffle plate, the first baffle plate is fixedly connected with the surface of the motor, a screening frame is slidably connected with the circular arc surface of the rotating rod, screening holes are formed in the inner wall of the screening frame, the circular arc surface of the rotating rod is fixedly connected with a rotary table, the pressing block is fixedly connected with the lower surface of the rotary table, the screening frame is located below the rotary table, and a grinding space is reserved between the screening frame and the rotary table.
The components achieve the following effects: the motor in the start-up mount, the motor drives the bull stick and rotates, the bull stick drives carousel and second baffle and rotates, and retarded cement material flows into the screening frame through the second baffle this moment, and less granule's material accessible screening hole drops to on the first baffle, has reduced the condition that the material dropped to the motor, retarded cement material gets into in the barrel through the second feed inlet later, and bigger material stays in the screening frame this moment, and when screening frame takes place to shake, collides with the briquetting of carousel bottom, has improved the efficiency that carries out broken decomposition work to retarded cement material.
Preferably, the arc surface of bull stick fixedly connected with second baffle, the surface fixedly connected with of second baffle has a plurality of rubber strip.
The components achieve the following effects: the rubber strip can be under the drive of second baffle, will splash the retarding cement material clearance to screening frame inside of first abrasive brick top, made things convenient for it to grind the work.
Preferably, three rectangular grooves are formed in the arc surface of the rotary table, second grinding blocks are connected to the inner wall of each rectangular groove in a sliding mode, a plurality of first grinding blocks are fixedly connected to the inner wall of the screening frame, a plurality of grinding balls are fixedly connected to the surfaces of the first grinding blocks and the surfaces of the second grinding blocks, a first spring is fixedly connected to one surface, close to each other, of each second grinding block and each rectangular groove, two fixing plates are fixedly connected to the inner wall of each rectangular groove, and the size of each second grinding block is larger than that of each first grinding block.
The components achieve the following effects: the carousel drives the second abrasive brick and rotates, the second abrasive brick is under the promotion of first spring elasticity and the inner wall laminating of screening frame, thereby conveniently promote the material and remove, this moment the second abrasive brick drives the material and is close to first abrasive brick gradually, the second abrasive brick atress is retracted along the rectangle groove, stop sliding under the stop of fixed plate, the material atress between first abrasive brick and the second abrasive brick is broken this moment, break into less granule, the frictional force between first abrasive brick and the second abrasive brick can effectively be improved to the grinding ball, thereby the grinding effect to retarding cement material has been improved.
Preferably, the vibrating device further comprises four sliding grooves, the sliding grooves are formed in the inner wall of the second feeding hole, the sliding blocks are connected to the inner wall of the sliding grooves in a sliding mode, the sliding blocks are fixedly connected with the arc surfaces of the screening frame, the sliding grooves are fixedly connected with the second springs on the surface, close to the sliding blocks, of each sliding groove, the arc surfaces of the supporting rings are fixedly connected with the three supporting rods, the first inclined blocks are fixedly connected with the upper surfaces of the supporting rods, and the second inclined blocks are fixedly connected with the lower surfaces of the screening frame.
The components achieve the following effects: the supporting ring can rotate under the drive of bull stick, and the supporting ring drives first sloping block and rotates, and first sloping block contacts gradually with the second sloping block of screening frame below, promotes the slider on the screening frame and slides in the spout, and first sloping block and second sloping block take place deformation this moment, and screening frame shrink shake, and the shake effect of screening frame can effectively be improved to the second spring elasticity has initially reduced the condition that the screening frame was blocked by the cement material that retards.
Preferably, the upper surface of the supporting rod is fixedly connected with a plurality of iron wire spines, and the iron wire spines are formed by welding and combining iron wires and spines.
The components achieve the following effects: the iron wire spine can rotate under the drive of bracing piece, when screening frame shake, can clear up screening hole, has further reduced the condition that screening frame blockked up.
Preferably, the splash-proof device further comprises a fixing rod, the fixing rod is rotationally connected with the surface of the supporting plate, the sliding plate is fixedly connected with the arc surface of the fixing rod, one end of the fixing rod is fixedly connected with a rotating handle, the surface of the rotating handle is slidably connected with an inserting rod, two inserting holes are formed in the surface of the supporting plate, and the inserting rods are clamped with the inserting holes in the surface of the supporting plate.
The components achieve the following effects: the inserted bar is pulled out firstly, the rotating handle is rotated, the rotating handle drives the sliding plates on the fixed bars to rotate, at the moment, the two sliding plates are gradually close to each other, and the splashed retarding cement material can be blocked during grinding, so that the waste of retarding cement material is reduced, the sliding plates are conveniently adjusted, the inserted bars are pushed to be inserted into the supporting plates, and the stability of the sliding plates is improved.
Preferably, the surface of the sliding plate is fixedly connected with a stop block, and the stop block is a rubber block.
The components achieve the following effects: the stopper can fill the gap between the sliding plates, so that the situation that the retarded cement material flows away from the sliding plates is reduced.
Preferably, the surface fixedly connected with of backup pad goes out the work or material rest, the inner wall sliding connection of play work or material rest has the rubber buffer.
The components achieve the following effects: after being blocked, the retarding cement material can flow to the discharging frame at the bottom of the supporting plate along the sliding plate, and the rubber plug can be taken out at the moment to take out and utilize the retarding cement material.
Preferably, the method for preparing the highway subgrade retarding cement further comprises the following steps:
s1: the retarder cement material comprises the following components in parts by mass: 65-75 parts of silicate cement clinker, 4-6 parts of borax, 14-16 parts of epoxy resin composite fly ash, 2.5-3.5 parts of allyl modified sodium lignin sulfonate, 2.5-3.5 parts of blast furnace slag and 0.15-0.25 part of grinding aid;
s2: the retarded cement materials of partial particles and blocks are put into the second feed inlet, and the retarded cement materials can be ground by utilizing the grinding device, so that the retarded cement materials of the particles and blocks are crushed and decomposed, and cement and the retarded cement are fully fused;
s3: when the screening frame works, the vibration device can drive the screening frame to vibrate, so that the screening frame is cleaned in a vibration mode, and the situation that the screening frame is blocked by the delayed coagulation cement material is reduced;
s4: the splash-proof device can block and collect the splashed retarding cement material when the retarding cement material is ground and crushed, so that the retarding cement material can be conveniently reused;
s5: the ground and crushed retarder cement material flows into the cylinder body through the second feed inlet, and the cement and retarder cement material are mixed and fused by utilizing the rotating shaft and the turbine, so that the preparation work of retarder cement can be completed.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, by arranging the grinding device, firstly, cement and partial materials which are easy to fuse are placed in the first feed port, particles and blocky materials are placed in the second feed port, the motor is started, the motor drives the rotating rod to rotate, the rotating rod drives the turntable and the second baffle to rotate, at the moment, retarded cement materials flow into the screening frame through the second baffle, smaller particles of materials can fall onto the first baffle through the screening holes, then retarded cement materials enter the cylinder body through the second feed port, larger materials are left in the screening frame, the turntable drives the second grinding block to rotate, the second grinding block is attached to the inner wall of the screening frame under the pushing of the elastic force of the first spring, at the moment, the second grinding block drives the materials to gradually approach the first grinding block, the second grinding block is forced to retract along the rectangular groove, and stops sliding under the blocking of the fixed plate, at the moment, the materials between the first grinding block and the second grinding block are forced to be broken, the materials are decomposed into smaller particles and flow into the inside through the screening hole.
According to the invention, the vibrating device is arranged, the supporting ring can rotate under the drive of the rotating rod, the supporting ring drives the first inclined block to rotate, the first inclined block is gradually contacted with the second inclined block below the screening frame, the sliding block on the screening frame is pushed to slide in the sliding groove, at the moment, the first inclined block and the second inclined block deform, the screening frame contracts and shakes, the screening frame collides with the pressing block below the rotating disc when being stressed to slide upwards and shake under the action of the elastic force of the second spring, at the moment, delayed coagulation cement materials in the screening frame can be extruded and crushed, the iron wire spike can rotate under the drive of the supporting rod, and the screening holes can be cleaned when the screening frame shakes.
According to the invention, through arranging the splash-proof device, the inserted link is pulled out firstly, the rotating handle is rotated, the rotating handle drives the sliding plates on the fixed link to rotate, at the moment, the two sliding plates are gradually close to each other, so that splashing retarding cement materials can be blocked during grinding, a gap between the sliding plates can be filled by the baffle, at the moment, the inserted link is pushed to be inserted into the supporting plate for fixing, the retarding cement materials can flow to the discharging frame at the bottom of the supporting plate along the sliding plates after being blocked, at the moment, the rubber plug can be taken out, the retarding cement materials are taken out and utilized, and finally, the turbine is driven by the rotating shaft, so that the cement and the retarding cement materials are stirred and fused.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the second inlet of the present invention;
FIG. 3 is a schematic illustration of the cross-sectional structure of FIG. 2 in accordance with the present invention;
FIG. 4 is an exploded view of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic view of the partial structure of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the alternate angular cross sectional configuration of FIG. 5 in accordance with the present invention;
FIG. 7 is an exploded view of FIG. 5 in accordance with the present invention;
FIG. 8 is an enlarged view of FIG. 6 at C in accordance with the present invention;
FIG. 9 is an enlarged view of the portion B of FIG. 3 in accordance with the present invention;
fig. 10 is an enlarged view of fig. 2 at a in the present invention.
In the figure: 1-a cylinder; 2-rotating shaft; 3-a discharge hole; 4-a first feed inlet; 5-a second feed inlet; 6-a grinding device; 601-fixing frame; 602-a motor; 603-rotating rod; 604-a first baffle; 605-a second baffle; 606-rubber strips; 607-a sieving frame; 608—a turntable; 609-briquetting; 610-rectangular grooves; 611-first grinding block; 612-second grinding block; 613-grinding balls; 614-first spring; 615-a fixed plate; 7-a vibration device; 71-a chute; 72-sliding blocks; 73-a second spring; 74-a support ring; 75-supporting rods; 76-iron wire spines; 77-a first bevel block; 78-a second bevel block; 8-splash guard; 81-supporting plates; 82-a skateboard; 83-stop; 84-fixing rod; 85-rotating handles; 86-inserting rod; 87-a discharge frame; 88-rubber stopper.
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. 1-10, the present invention provides a technical solution: the utility model provides a highway subgrade retarded cement preparation facilities and method, includes barrel 1, and the fixed surface mounting of barrel 1 has pivot 2, and the output fixed mounting of pivot 2 has the turbine, and the surface through-mounting of barrel 1 has discharge gate 3, and the surface through-mounting of barrel 1 has first feed inlet 4 and second feed inlet 5, still includes: the grinding devices 6 are respectively arranged in the second feed inlets 5 and are used for grinding the retarding cement materials, each grinding device 6 comprises a fixing frame 601 fixedly connected to the inner wall of each second feed inlet 5, the inner wall of each fixing frame 601 is fixedly connected with a motor 602, and the output end of each motor 602 is fixedly connected with a rotating rod 603 and a pressing block 609 for grinding the retarding cement materials; the vibrating device 7 is respectively arranged on the arc surface of the rotating rod 603 and used for vibrating the retarding cement material, and the vibrating device 7 comprises a supporting ring 74 fixedly connected to the arc surface of the rotating rod 603, a first inclined block 77 and a second inclined block 78 which are used for vibrating the retarding cement material; the splash-proof device 8 is arranged on the arc surface of the second feed inlet 5 respectively and used for blocking the retarding cement material, and the splash-proof device 8 comprises two support plates 81 fixedly connected to the arc surface of the second feed inlet 5 and a sliding plate 82 used for blocking the retarding cement material. Through setting up grinder 6, improved the grinding effect of retarder cement preparation device to granule and cubic material, reduced retarder cement preparation device and stirred the during operation, be inconvenient for stirring granule and cubic material garrulous, make it carry out abundant the condition that fuses, made things convenient for carrying out broken decomposition to granule and cubic material in the retarder cement material, improved retarder cement preparation device's work effect as far as possible. Through setting up vibrating device 7, improved the vibration effect of screening frame 607 in the retarding cement preparation facilities, reduced the circumstances that screening frame 607 was stopped up by retarding cement material, improved retarding cement preparation facilities's practicality as far as possible. Through setting up splash guard 8, improved the work of stopping of retarding cement preparation facilities to broken retarding cement material that splashes, reduced retarding cement material and dropped ground, caused extravagant condition, improved retarding cement preparation facilities's practicality as far as possible.
The specific arrangement and function of the grinding means 6, the vibrating means 7 and the splash guard 8 will be described in detail below.
As shown in fig. 2-9, the grinding device 6 further includes a first baffle 604, the first baffle 604 is fixedly connected with the surface of the motor 602, the arc surface of the rotating rod 603 is slidably connected with a screening frame 607, the inner wall of the screening frame 607 is provided with a screening hole, the arc surface of the rotating rod 603 is fixedly connected with a turntable 608, the pressing block 609 is fixedly connected with the lower surface of the turntable 608, the screening frame 607 is located below the turntable 608, and a grinding space is reserved between the screening frame 607 and the turntable 608. The motor 602 in the mount 601 is started, the motor 602 drives the rotating rod 603 to rotate, the rotating rod 603 drives the turntable 608 and the second baffle 605 to rotate, at this time, the retarded cement material flows into the screening frame 607 through the second baffle 605, the smaller granular material can fall onto the first baffle 604 through the screening holes, the situation that the material falls onto the motor 602 is reduced, then the retarded cement material enters the cylinder 1 through the second feeding hole 5, at this time, the larger material is left in the screening frame 607, when the screening frame 607 shakes, the retarded cement material collides with the pressing block 609 at the bottom of the turntable 608, and the efficiency of crushing and decomposing the retarded cement material is improved. The arc surface of bull stick 603 fixedly connected with second baffle 605, the surface of second baffle 605 is fixedly connected with a plurality of rubber strip 606. The rubber strip 606 can be driven by the second baffle 605 to clean the delayed coagulation cement material splashed above the first grinding block 611 into the screening frame 607, so that the grinding work is facilitated.
Three rectangular grooves 610 are formed in the arc surface of the rotary table 608, second grinding blocks 612 are connected to the inner wall of the rectangular grooves 610 in a sliding mode, a plurality of first grinding blocks 611 are fixedly connected to the inner wall of the screening frame 607, a plurality of grinding balls 613 are fixedly connected to the surfaces of the first grinding blocks 611 and the second grinding blocks 612, first springs 614 are fixedly connected to one surfaces, close to each other, of the second grinding blocks 612 and the rectangular grooves 610, two fixing plates 615 are fixedly connected to the inner wall of the rectangular grooves 610, and the size of the second grinding blocks 612 is larger than that of the first grinding blocks 611. The turntable 608 drives the second grinding block 612 to rotate, the second grinding block 612 is attached to the inner wall of the screening frame 607 under the pushing of the elastic force of the first spring 614, so that the material is conveniently pushed to move, at the moment, the second grinding block 612 drives the material to gradually approach the first grinding block 611, the second grinding block 612 is stressed to retract along the rectangular groove 610, sliding is stopped under the blocking of the fixing plate 615, at the moment, the material between the first grinding block 611 and the second grinding block 612 is stressed to be broken and decomposed into smaller particles, and the grinding balls 613 can effectively improve the friction force between the first grinding block 611 and the second grinding block 612, so that the grinding effect on the delayed coagulation cement material is improved.
As shown in fig. 3-9, the vibration device 7 further includes four sliding grooves 71, the sliding grooves 71 are formed in the inner wall of the second feeding port 5, the sliding blocks 72 are slidably connected to the inner wall of the sliding grooves 71, the sliding blocks 72 are fixedly connected to the circular arc surfaces of the sieving frame 607, the second springs 73 are fixedly connected to one surface, close to each other, of the sliding grooves 71 and the sliding blocks 72, the three supporting rods 75 are fixedly connected to the circular arc surfaces of the supporting rings 74, the first inclined blocks 77 are fixedly connected to the upper surfaces of the supporting rods 75, and the second inclined blocks 78 are fixedly connected to the lower surfaces of the sieving frame 607. The support ring 74 can rotate under the drive of bull stick 603, and the support ring 74 drives first sloping block 77 and rotates, and first sloping block 77 and the second sloping block 78 of screening frame 607 below contact gradually, promote slider 72 on the screening frame 607 to slide in spout 71, and first sloping block 77 and second sloping block 78 take place deformation this moment, and screening frame 607 shrink shake, and second spring 73 elasticity can effectively improve the shake effect of screening frame 607 to the condition that screening frame 607 is blocked by the cement material that retards has primarily been reduced. The upper surface of the supporting rod 75 is fixedly connected with a plurality of iron wire spines 76, and the iron wire spines 76 are formed by welding and combining iron wires and spines. The iron wire spine 76 can rotate under the drive of bracing piece 75, when screening frame 607 shake, can clear up the screening hole, has further reduced the condition that screening frame 607 blockked up.
As shown in fig. 2-4, 9 and 10, the splash guard 8 further includes a fixing rod 84, the fixing rod 84 is rotatably connected with the surface of the supporting plate 81, the sliding plate 82 is fixedly connected with the arc surface of the fixing rod 84, one end of the fixing rod 84 is fixedly connected with a rotating handle 85, the surface of the rotating handle 85 is slidably connected with an inserting rod 86, two inserting holes are formed in the surface of the supporting plate 81, and the inserting rod 86 is clamped with the inserting holes in the surface of the supporting plate 81. The inserted link 86 is pulled out firstly, the rotating handle 85 is rotated, the rotating handle 85 drives the sliding plates 82 on the fixed link 84 to rotate, at the moment, the two sliding plates 82 are gradually close to each other, and splashing retarding cement materials can be blocked during grinding, so that the waste of retarding cement materials is reduced, the sliding plates 82 are adjusted conveniently, the inserted link 86 is pushed into the supporting plate 81, and the stability of the sliding plates 82 is improved. The surface of the sliding plate 82 is fixedly connected with a stop block 83, and the stop block 83 is a rubber block. The stoppers 83 can fill the gaps between the sliding plates 82, reducing the flow of retarding cement material between the sliding plates 82. The surface of backup pad 81 fixedly connected with ejection of compact frame 87, the inner wall sliding connection of ejection of compact frame 87 has rubber stopper 88. After being blocked, the retarded cement material can flow to the discharging frame 87 at the bottom of the supporting plate 81 along the sliding plate 82, and the rubber plug 88 can be taken out at this time to take out and use the retarded cement material.
The method for preparing the highway subgrade retarding cement further comprises the following steps:
s1: the retarder cement material comprises the following components in parts by mass: 65-75 parts of silicate cement clinker, 4-6 parts of borax, 14-16 parts of epoxy resin composite fly ash, 2.5-3.5 parts of allyl modified sodium lignin sulfonate, 2.5-3.5 parts of blast furnace slag and 0.15-0.25 part of grinding aid;
s2: part of the granular and block-shaped retarded cement materials are put into the second feed inlet 5, and the retarded cement materials can be ground by the grinding device 6, so that the crushing and decomposing work of the granular and block-shaped retarded cement materials is realized, and the cement is fully fused with the retarded cement materials;
s3: when the sieving frame 607 works, the vibrating device 7 can drive the sieving frame 607 to vibrate, so that the sieving frame 607 is cleaned in a vibrating way, and the situation that the sieving frame 607 is blocked by the retarding cement material is reduced;
s4: the splash-proof device 8 can block and collect the splashed retarding cement material when the grinding and crushing are carried out, so that the retarding cement material can be conveniently reused;
s5: the ground and crushed retarder cement material flows into the cylinder body 1 through the second feeding hole 5, and the cement and retarder cement material are mixed and fused by utilizing the rotating shaft 2 and the turbine, so that the preparation work of retarder cement can be completed.
Working principle: when the retarder cement preparation device works, firstly cement and partial materials which are easy to fuse are placed into the first feed inlet 4, particles and blocky materials are placed into the second feed inlet 5, at the moment, a motor 602 in a fixing frame 601 is started, the motor 602 drives a rotating rod 603 to rotate, the rotating rod 603 drives a rotating disc 608 and a second baffle 605 to rotate, at the moment, retarder cement materials flow into a screening frame 607 through the second baffle 605, smaller particles of materials can fall onto the first baffle 604 through screening holes, the situation that the materials fall onto the motor 602 is reduced, then retarder cement materials enter a cylinder 1 through the second feed inlet 5, at the moment, larger materials are left in the screening frame 607, the rotating disc 608 drives a second grinding block 612 to rotate, the second grinding block 612 is adhered to the inner wall of the screening frame 607 under the pushing of the elasticity of a first spring 614, so that the materials are convenient to push, at this time, the second grinding block 612 drives the material to gradually approach the first grinding block 611, the second grinding block 612 is forced to retract along the rectangular groove 610, sliding is stopped under the blocking of the fixing plate 615, a fixed gap is reserved between the second grinding block 612 and the first grinding block 611, at this time, the material between the first grinding block 611 and the second grinding block 612 is forced to be crushed and decomposed into smaller particles, the smaller particles flow into the inside of the cylinder 1 through the screening holes, the grinding balls 613 can effectively improve the friction force between the first grinding block 611 and the second grinding block 612, so that the grinding effect on the delayed coagulation cement material is improved, the rubber strip 606 can clean the delayed coagulation cement material splashed above the first grinding block 611 into the inside of the screening frame 607 under the driving of the second baffle 605, the grinding work on the delayed coagulation cement material is facilitated, the grinding effect on the particles and the block materials is improved by arranging the grinding device 6, the device has the advantages that the situations that particles and blocky materials are inconvenient to stir and crushed and are fully fused when the device for preparing the retarder cement is used for stirring are reduced, the particles and blocky materials in the retarder cement material are convenient to crush and decompose, and the working effect of the device for preparing the retarder cement is improved as much as possible.
Simultaneously, the support ring 74 can rotate under the drive of bull stick 603, the support ring 74 drives first sloping block 77 and rotates, first sloping block 77 and the second sloping block 78 of screening frame 607 below contact gradually, promote slider 72 on the screening frame 607 and slide in spout 71, first sloping block 77 and second sloping block 78 take place deformation this moment, screening frame 607 shrink shake, the shake effect of screening frame 607 can effectively be improved to second spring 73 elasticity, thereby the condition that screening frame 607 is blocked by the retarder cement material has initially been reduced, and screening frame 607 atress upwards slides and the shake under the action of second spring 73 elasticity can collide with briquetting 609 under carousel 608, can extrude crushing to the retarder cement material in the screening frame 607 this moment, further improved the efficiency of carrying out crushing decomposition work to the retarder cement material, the iron wire spike 76 can rotate under the drive of bracing piece 75, when screening frame shakes, can carry out the retarder blocking condition to the screening hole, further reduce the retarder blocking condition of screening frame 607, through setting up vibrating device 7, the preparation device of retarder cement 607 has been improved, the practicality is reduced by the cement preparation device of the condition of the preparation device of the cement material has been reduced as far as possible.
When the grinding device 6 works, firstly the inserting rod 86 is pulled out, the rotating handle 85 is rotated, the rotating handle 85 drives the sliding plates 82 on the fixing rod 84 to rotate, at the moment, the two sliding plates 82 are gradually close to each other, and the splashing retarding cement material can be blocked during grinding, so that the waste of retarding cement material is reduced, further, the sliding plates 82 are convenient to adjust, gaps between the sliding plates 82 can be filled by the stop blocks 83, the situation that retarding cement material flows away from the sliding plates 82 is reduced, at the moment, the inserting rod 86 is pushed to be inserted into the supporting plate 81, so that the stability of the sliding plates 82 is improved, the retarding cement material can flow to the discharging frame 87 at the bottom of the supporting plate 81 along the sliding plates 82 after being blocked, at the moment, the rubber plug 88 can be taken out for use, and finally, the turbine is driven by the rotating shaft 2, the retarding cement and the retarding cement material are mixed, the blocking work of the splashing retarding cement material is improved by the setting of the splash-proof device 8, the waste caused by the retarding cement material dropping on the ground is reduced, and the practicability of the retarding cement preparation device is improved as much as possible.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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)

1. The utility model provides a highway subgrade retarded cement preparation facilities, includes barrel (1), its characterized in that: the surface fixed mounting of barrel (1) has pivot (2), the output fixed mounting of pivot (2) has the turbine, the surface of barrel (1) runs through and installs discharge gate (3), the surface of barrel (1) runs through and installs first feed inlet (4) and second feed inlet (5), still includes:
the grinding device (6) is respectively arranged in the second feeding hole (5) and used for grinding the retarding cement material, the grinding device (6) comprises a fixing frame (601) fixedly connected to the inner wall of the second feeding hole (5), a motor (602) is fixedly connected to the inner wall of the fixing frame (601), and the output end of the motor (602) is fixedly connected with a rotating rod (603) and a pressing block (609) used for grinding the retarding cement material;
the vibrating device (7) is respectively arranged on the arc surface of the rotating rod (603) and used for vibrating the retarding cement material, and the vibrating device (7) comprises a supporting ring (74) fixedly connected with the arc surface of the rotating rod (603), a first inclined block (77) and a second inclined block (78) which are used for vibrating the retarding cement material;
the anti-splashing device (8) is arranged on the arc surface of the second feeding hole (5) respectively and used for blocking the retarding cement material, and the anti-splashing device (8) comprises two supporting plates (81) fixedly connected to the arc surface of the second feeding hole (5) and a sliding plate (82) used for blocking the retarding cement material.
2. The highway subgrade retarding cement preparation device according to claim 1, which is characterized in that: grinding device (6) still include first baffle (604), the fixed surface of first baffle (604) and motor (602) is connected, the circular arc face sliding connection of bull stick (603) has screening frame (607), screening hole has been seted up to the inner wall of screening frame (607), the circular arc face fixedly connected with carousel (608) of bull stick (603), the lower fixed surface of briquetting (609) and carousel (608) is connected, screening frame (607) are located the below of carousel (608), leave the grinding space between screening frame (607) and carousel (608).
3. The highway subgrade retarding cement preparation device according to claim 1, which is characterized in that: the arc surface of bull stick (603) fixedly connected with second baffle (605), the surface fixedly connected with of second baffle (605) is a plurality of rubber strip (606).
4. The highway subgrade retarding cement preparation device according to claim 2, which is characterized in that: three rectangular grooves (610) are formed in the arc surface of the rotary table (608), second grinding blocks (612) are connected to the inner wall of each rectangular groove (610) in a sliding mode, a plurality of first grinding blocks (611) are fixedly connected to the inner wall of each screening frame (607), a plurality of grinding balls (613) are fixedly connected to the surfaces of each first grinding block (611) and each second grinding block (612), a first spring (614) is fixedly connected to one surface, close to each other, of each second grinding block (612) and each rectangular groove (610), two fixing plates (615) are fixedly connected to the inner wall of each rectangular groove (610), and the size of each second grinding block (612) is larger than that of each first grinding block (611).
5. The highway subgrade retarding cement preparation device according to claim 2, which is characterized in that: the vibrating device (7) further comprises four sliding grooves (71), the sliding grooves (71) are formed in the inner wall of the second feeding hole (5), sliding blocks (72) are connected to the inner wall of the sliding grooves (71) in a sliding mode, the sliding blocks (72) are fixedly connected with the arc surfaces of the screening frames (607), the second springs (73) are fixedly connected to the surfaces, close to each other, of the sliding grooves (71) and the sliding blocks (72), three supporting rods (75) are fixedly connected to the arc surfaces of the supporting rings (74), the first inclined blocks (77) are fixedly connected with the upper surfaces of the supporting rods (75), and the second inclined blocks (78) are fixedly connected with the lower surfaces of the screening frames (607).
6. The highway subgrade retarding cement preparation device according to claim 5, which is characterized in that: the upper surface fixedly connected with a plurality of iron wire spine (76) of bracing piece (75), iron wire spine (76) are iron wire and spine welded combination.
7. The highway subgrade retarding cement preparation device according to claim 1, which is characterized in that: splash guard (8) still include dead lever (84), the surface of dead lever (84) and backup pad (81) rotates to be connected, the arc surface fixed connection of slide (82) and dead lever (84), the one end fixedly connected with of dead lever (84) changes handle (85), the surface sliding connection who changes handle (85) has inserted bar (86), two jacks have been seted up on the surface of backup pad (81), the jack looks joint on inserted bar (86) and backup pad (81) surface.
8. The highway subgrade retarding cement preparation device according to claim 1, which is characterized in that: the surface of the sliding plate (82) is fixedly connected with a stop block (83), and the stop block (83) is a rubber block.
9. The highway subgrade retarding cement preparation device according to claim 7, which is characterized in that: the surface of backup pad (81) is fixedly connected with ejection of compact frame (87), the inner wall sliding connection of ejection of compact frame (87) has rubber stopper (88).
10. A method for preparing the highway subgrade retarder cement according to any of claims 1-9, further comprising the steps of:
s1: the retarder cement material comprises the following components in parts by mass: 65-75 parts of silicate cement clinker, 4-6 parts of borax, 14-16 parts of epoxy resin composite fly ash, 2.5-3.5 parts of allyl modified sodium lignin sulfonate, 2.5-3.5 parts of blast furnace slag and 0.15-0.25 part of grinding aid;
s2: part of the granular and block-shaped retarder cement materials are put into the second feed inlet (5), and the retarder cement materials can be ground by utilizing the grinding device (6), so that the crushing and decomposing work of the granular and block-shaped retarder cement materials is realized, and the cement is fully fused with the retarder cement materials;
s3: when the screening frame (607) works, the vibrating device (7) can drive the screening frame (607) to vibrate, so that the screening frame (607) is cleaned in a vibrating way, and the situation that the screening frame is blocked by the retarding cement material is reduced;
s4: the splash-proof device (8) can block and collect the splashed retarding cement material when the retarding cement material is ground and crushed, so that the retarding cement material can be conveniently reused;
s5: the ground and crushed retarding cement material flows into the cylinder (1) through the second feeding hole (5), and the cement and the retarding cement material are mixed and fused by utilizing the rotating shaft (2) and the turbine, so that the preparation work of the retarding cement can be completed.
CN202310455201.XA 2023-04-25 2023-04-25 Device and method for preparing highway subgrade retarding cement Active CN116422438B (en)

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