CN118181515A - A method for preparing low-carbon concrete - Google Patents
A method for preparing low-carbon concrete Download PDFInfo
- Publication number
- CN118181515A CN118181515A CN202410473977.9A CN202410473977A CN118181515A CN 118181515 A CN118181515 A CN 118181515A CN 202410473977 A CN202410473977 A CN 202410473977A CN 118181515 A CN118181515 A CN 118181515A
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- Prior art keywords
- fixedly connected
- component
- feeding
- sand
- mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus 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
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing 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
- B28C5/14—Mixing 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
- B28C5/006—Methods for mixing involving mechanical aspects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus 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
- B28C5/0806—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus 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
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing 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
- B28C5/16—Mixing 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 vertical or steeply inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/14—Supply means incorporated in, or mounted on, mixers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
本发明属于一种建筑材料及其配制方法，尤其是涉及一种低碳混凝土配制方法，由混凝土配置装置制备而来，所述的混凝土配置装置包括混料组件、沙石筛选组件、沙石传递组件、SiO2水溶胶配置组件、水泥粉尘送料组件，所述SiO2水溶胶配置组件设置与混料组件的上方，所述水泥粉尘送料组件和沙石传递组件分别设置于混料组件的两侧。本发明通过设置送料槽，在送料槽上设有过滤网筛，将沙石等矿物倒置在过滤网筛上可以进一步的过滤，只留有合适大小的矿物，且在过滤网筛的上表面设有震动结构，在震动结构的作用下，可以带动过滤网筛进行震动，从而可以加速过滤，使得有更好的过滤效果。
The present invention belongs to a kind of building material and its preparation method, and in particular, it relates to a method for preparing low-carbon concrete, which is prepared by a concrete preparation device, and the concrete preparation device includes a mixing component, a sand and stone screening component, a sand and stone transfer component, a SiO2 hydrosol preparation component, and a cement dust feeding component. The SiO2 hydrosol preparation component is arranged above the mixing component, and the cement dust feeding component and the sand and stone transfer component are arranged on both sides of the mixing component. The present invention sets a feeding trough, and a filter screen is arranged on the feeding trough. Minerals such as sand and stone can be further filtered by inverting them on the filter screen, and only minerals of suitable size are left. A vibration structure is arranged on the upper surface of the filter screen. Under the action of the vibration structure, the filter screen can be driven to vibrate, thereby accelerating the filtration, so as to achieve a better filtering effect.
Description
Technical Field
The invention belongs to a preparation method of building materials, and particularly relates to a preparation method of low-carbon concrete.
Background
The low carbonization development of the building industry has higher and higher requirements on the control of raw material carbon exhaust, and more engineering projects propose to adopt low-carbon concrete, and in addition to the emission of CO 2 from energy consumption in the production process of main raw material cement of the concrete, CO 2 is also emitted in the limestone calcining process, so that the low-carbon concrete is a main source of carbon emission of the concrete at present, and the control of the cement consumption becomes a main technical idea of low-carbon concrete preparation.
The low-carbon concrete is concrete for controlling carbon emission and reducing emission in concrete raw materials, and is mainly characterized in that high-quality carbon-reduction raw materials and an environment-friendly and energy-saving production technology are used, so that the carbon emission can be obviously reduced, and the environment-friendly effect is achieved.
The existing concrete preparation device has the following defects:
1. Compared with the original concrete preparation technology, the low-carbon concrete adopts 70% of mineral admixture to replace silicate cement clinker in the preparation process, so that the traditional concrete preparation device can not screen a large amount of minerals, and the minerals with larger diameters are easy to influence the strength of the concrete.
2. The existing design is faced with the problem that the nano SiO 2 is metered in the form of hydrosol, and the original concrete preparation device cannot prepare and release the SiO 2 hydrosol.
3. The existing device needs to add cement dry powder and sand and stone in the preparation process of concrete, and a large amount of dust can be generated when the materials are conveyed into the stirring barrel, so that the environment can be polluted, and the health of workers can be influenced.
Disclosure of Invention
The invention aims at solving the problems that the cement consumption is reduced for ensuring the low-carbon preparation of concrete, but the strength of the concrete is reduced due to the reduction of the cement consumption in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a preparation method of low-carbon concrete is characterized in that: the cement consumption is reduced to within 30% of the consumption of the cementing material, 70% of mineral admixture is adopted to replace silicate cement clinker, so that the preparation requirement of low-carbon concrete is further realized, and compared with common concrete with the same strength grade, the carbon emission is reduced by more than 60%;
The low-carbon concrete preparation method further relates to a concrete preparation device, the concrete preparation device comprises a mixing component, a sand and stone screening component, a sand and stone transferring component, a SiO 2 hydrosol preparation component and a cement dust feeding component, wherein the SiO 2 hydrosol preparation component is arranged above the mixing component, the cement dust feeding component and the sand and stone transferring component are respectively arranged at two sides of the mixing component, the output ends of the cement dust feeding component and the sand and stone transferring component are respectively arranged at the input port above the mixing component, the sand and stone screening component is arranged at the other side of the sand and stone transferring component, and the output end of the sand and stone screening component is connected with the input end of the sand and stone transferring component.
Further, the compounding subassembly includes base, bracing piece, fixed terminal, compounding bucket, puts the material platform and stirs the structure, two fixed terminal is fixed connection in the both ends of compounding bucket respectively, two bracing piece fixed connection in the side of fixed terminal, bracing piece fixed connection in the upper surface of base, put the material platform fixed communication in the upper end of compounding bucket, the upper surface of putting the material platform is equipped with the pay-off mouth, the lower extreme of compounding bucket is equipped with the discharge gate.
Further, gravel and sand screening subassembly includes feed chute, support column, mount, filters the mesh screen, passes flitch and support frame, feed chute fixed connection is in the upper surface of mount, pass flitch fixed connection in one side of feed chute delivery outlet, four support column fixed connection is in the upper surface of feed chute, support frame fixed connection is in the upper surface of support column, filter mesh screen sliding connection on the support column, the upper surface of filtering the mesh screen is equipped with vibration structure.
Further, sand and stone transfer subassembly is including supporting base, curb plate, conveyer belt and feeding baffle, two curb plate fixed connection is in the side that two support the base and be close to each other, two be connected with the conveyer belt through the transmission shaft rotation between the curb plate, the conveyer belt surface evenly is equipped with a plurality of feeding baffle.
Further, siO 2 hydrosol configuration subassembly is including agitator, bung, no. three motors, blowing pipe, no. two pivots and puddler, agitator fixed connection is in the upper surface of putting the material platform, bung fixed connection is in the upper surface of agitator, no. three motors fixed connection is in the upper surface of bung, blowing pipe fixed connection is in the upper surface of bung, no. two pivots rotate and connect between bung and agitator, a plurality of the puddler is from last even fixed connection in No. two pivots down.
Further, cement dust feeding assembly includes feed bin, conveying pipe and supporting shoe, the conveying pipe sets up to "J" form, supporting shoe fixed connection is in the upper surface of putting the material platform, the supporting shoe sets up in one side of pay-off mouth, the one end fixed intercommunication of conveying pipe is in the lower surface of feed bin, the one end block that the conveying pipe kept away from the feed bin is connected in the supporting shoe upper surface, be equipped with feeding formula helical structure in the conveying pipe.
Further, stir the structure and include a pivot, drive post and scraper blade, a pivot rotates and connects between the medial surface of compounding bucket, fixed terminal's lateral surface fixedly connected with servo motor, servo motor's output fixedly connected with in a pivot's one end, drive post fixedly connected with is epaxial in a, scraper blade fixedly connected with is terminal in the drive post, the scraper blade is constituteed and is scraped the piece with the scraper blade, and a plurality of is scraped and moves the piece and be linear array's fixed connection in a pivot.
Further, the vibration structure comprises a reciprocating screw rod, a sliding block, a guide rod, a rotary table, a motor and a motor II, wherein a groove is formed in the upper surface of the filtering mesh screen, the reciprocating screw rod is rotationally connected in the groove, the sliding block is slidingly connected in the groove and is in threaded connection with the reciprocating screw rod, the rotary table is rotationally connected to the lower surface of the supporting frame, the guide rod is rotationally connected between the rotary table and the sliding block, the motor I is fixedly connected to the upper surface of the supporting frame, the output end of the motor I is fixedly connected to the upper surface of the rotary table, the output end of the motor II is fixedly connected to the side surface of the filtering mesh screen, and the output end of the motor II is fixedly connected to one end of the reciprocating screw rod.
Compared with the prior art, the preparation method of the low-carbon concrete has the advantages that:
According to the invention, the feeding groove is provided with the filtering mesh screen, minerals such as sand and stone are inversely arranged on the filtering mesh screen to further filter, only minerals with proper size are reserved, and the upper surface of the filtering mesh screen is provided with the vibration structure, so that the filtering mesh screen can be driven to vibrate under the action of the vibration structure, and the filtering can be accelerated, so that a better filtering effect is achieved.
According to the invention, the stirring barrel is arranged above the mixing barrel, the stirring assembly is arranged in the stirring barrel, and the discharging pipe is arranged on the barrel cover above the stirring barrel, so that SiO 2 hydrosol can be directly produced and put into the mixing barrel to participate in the production of low-carbon concrete.
According to the invention, the feeding box and the feeding pipe are arranged, and the feeding pipe is internally provided with the feeding type spiral structure, so that cement or sand in the feeding box can be directly conveyed to the position above the feeding port through the feeding pipe, and a large amount of smoke dust generated in the conveying process is avoided.
Drawings
FIG. 1 is a schematic structural view of a low-carbon concrete preparation device provided by the invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic diagram of a semi-sectional structure of a low-carbon concrete preparation device provided by the invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
fig. 5 is an enlarged view of a portion C in fig. 3.
In the figure, a base 1, a support rod 11, a fixed terminal 12, a mixing bucket 13, a material placing table 14, a material feeding port 15, a first rotating shaft 16, a transmission column 17, a scraping plate 18, a material feeding groove 2, a support column 21, a fixing frame 22, a filtering mesh screen 23, a groove 24, a reciprocating screw rod 25, a sliding block 26, a guide rod 27, a rotary table 28, a support frame 29, a first motor 210, a second motor 211, a support base 212, a side plate 213, a conveyor belt 214, a material feeding baffle 215, a material conveying plate 216, a material feeding box 3, a material feeding pipe 31, a support block 32, a stirring bucket 4, a barrel cover 41, a third motor 42, a material discharging pipe 43, a second rotating shaft 44 and a stirring rod 45.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, a preparation method of low-carbon concrete is characterized in that: the cement consumption is reduced to within 30% of the consumption of the cementing material, 70% of mineral admixture is adopted to replace silicate cement clinker, so that the preparation requirement of low-carbon concrete is further realized, and compared with common concrete with the same strength grade, the carbon emission is reduced by more than 60%;
The low-carbon concrete preparation method further relates to a concrete preparation device, the concrete preparation device comprises a mixing component, a sand and stone screening component, a sand and stone transferring component, a SiO 2 hydrosol preparation component and a cement dust feeding component, wherein the SiO 2 hydrosol preparation component is arranged above the mixing component, the cement dust feeding component and the sand and stone transferring component are respectively arranged at two sides of the mixing component, the output ends of the cement dust feeding component and the sand and stone transferring component are respectively arranged at an input port above the mixing component, the sand and stone screening component is arranged at the other side of the sand and stone transferring component, and the output end of the sand and stone screening component is connected with the input end of the sand and stone transferring component;
The mixing component comprises a base 1, a support rod 11, a fixed terminal 12, a mixing barrel 13, a material placing table 14 and a stirring structure, wherein the two fixed terminals 12 are respectively and fixedly connected to two ends of the mixing barrel 13, the two support rods 11 are fixedly connected to the side surfaces of the fixed terminals 12, the support rod 11 is fixedly connected to the upper surface of the base 1, the material placing table 14 is fixedly communicated with the upper end of the mixing barrel 13, a feeding port 15 is formed in the upper surface of the material placing table 14, a discharging port is formed in the lower end of the mixing barrel 13, the stirring structure comprises a first rotating shaft 16, a transmission column 17 and a scraping plate 18, the first rotating shaft 16 is rotatably connected between the inner side surfaces of the mixing barrel 13, a servo motor is fixedly connected to the outer side surfaces of the fixed terminals 12, the output end of the servo motor is fixedly connected to one end of the first rotating shaft 16, the transmission column 17 is fixedly connected to the first rotating shaft 16, the scraping plate 18 is fixedly connected to the tail end of the transmission column 17, the transmission column 17 and the scraping plate 18 form a scraping piece, and a plurality of scraping pieces are in linear array form a linear array and are fixedly connected to the first rotating shaft 16;
the sand and stone screening assembly comprises a feeding groove 2, supporting columns 21, a fixing frame 22, a filter mesh screen 23, a material conveying plate 216 and a supporting frame 29, wherein the feeding groove 2 is fixedly connected to the upper surface of the fixing frame 22, the material conveying plate 216 is fixedly connected to one side of an output port of the feeding groove 2, the four supporting columns 21 are fixedly connected to the upper surface of the feeding groove 2, the supporting frame 29 is fixedly connected to the upper surface of the supporting columns 21, the filter mesh screen 23 is slidingly connected to the supporting columns 21, the upper surface of the filter mesh screen 23 is provided with a vibration structure, the vibration structure comprises a reciprocating screw rod 25, a sliding block 26, a guide rod 27, a first motor 210 and a second motor 211, the upper surface of the filter mesh screen 23 is provided with a groove 24, the reciprocating screw rod 25 is rotationally connected to the groove 24, the sliding block 26 is slidingly connected to the groove 24 and is threadedly connected to the reciprocating screw rod 25, the sliding block 28 is rotationally connected to the lower surface of the supporting frame 29, the guide rod 27 is rotationally connected between the sliding block 28 and the sliding block 26, the first motor 210 is fixedly connected to the upper surface of the supporting frame 29, the output end of the first motor 210 is fixedly connected to the upper surface of the rotating block 28, the output end of the second motor 211 is fixedly connected to the side of the filter mesh screen 23, the upper surface of the filter mesh screen is fixedly connected to the filter screen 25, the upper surface of the filter screen is provided with a groove 25, the upper surface of the filter screen 25 is further provided with a mineral filter screen 2, and the filter screen is further arranged on the surface of the filter mesh screen 2, and the filter structure is more suitable for being placed on the surface, and has a filter effect that can be more than has a filter effect that is lower than the filter screen structure, and has a filter effect that can be more than and has a filter effect, and can be more and can be placed on a filter screen structure, and can be placed on a filter material surface;
The sand and stone transfer assembly comprises a support base 212, side plates 213, a conveyor belt 214 and a feeding baffle 215, wherein the two side plates 213 are fixedly connected to the side surfaces of the two support bases 212, which are close to each other, the conveyor belt 214 is rotatably connected between the two side plates 213 through a transmission shaft, and a plurality of feeding baffles 215 are uniformly arranged on the surface of the conveyor belt 214;
The SiO2 hydrosol configuration component comprises a stirring barrel 4, a barrel cover 41, a third motor 42, a discharging pipe 43, a second rotating shaft 44 and stirring rods 45, wherein the stirring barrel 4 is fixedly connected to the upper surface of a material placing table 14, the barrel cover 41 is fixedly connected to the upper surface of the stirring barrel 4, the third motor 42 is fixedly connected to the upper surface of the barrel cover 41, the discharging pipe 43 is fixedly communicated with the upper surface of the barrel cover 41, the second rotating shaft 44 is rotationally connected between the barrel cover 41 and the stirring barrel 4, the stirring rods 45 are uniformly and fixedly connected to the second rotating shaft 44 from top to bottom, the stirring barrel 4 is arranged above the material mixing barrel 13, the stirring component is arranged inside the stirring barrel 4, and the discharging pipe 43 is arranged on the barrel cover 41 above the stirring barrel 4, so that SiO2 hydrosol can be directly produced and put into the material mixing barrel 13 to be used for production of low-carbon concrete;
The cement dust feeding assembly comprises a feeding box 3, a feeding pipe 31 and a supporting block 32, wherein the feeding pipe 31 is arranged in a J shape, the supporting block 32 is fixedly connected to the upper surface of the material placing table 14, the supporting block 32 is arranged on one side of a feeding port 15, one end of the feeding pipe 31 is fixedly communicated with the lower surface of the feeding box 3, one end of the feeding pipe 31, far away from the feeding box 3, is clamped and connected to the upper surface of the supporting block 32, a feeding type spiral structure is arranged in the feeding pipe 31, cement or sand in the feeding box 3 can be directly conveyed to the upper side of the feeding port 15 through the feeding pipe 31, and a large amount of smoke dust generated in the conveying process is avoided.
The working principle of the invention is as follows:
Through setting up feed chute 2, be equipped with filtering mesh screen 23 on feed chute 2, invert the mineral such as sand and stone on filtering mesh screen 23 and can further filter, only remain the mineral of suitable size, and be equipped with vibration structure at the upper surface of filtering mesh screen, can drive filtering mesh screen 23 and shake under vibration structure's effect, thereby can accelerate the filtration, make there be better filter effect, the sand and stone after the filtration is sent into on the feeding baffle 215 on the sand and stone transmission subassembly through passing through material conveying board 216, again through the transport of conveyer belt 214, delivered into pay-off mouth 15;
The feeding type spiral structure is arranged in the feeding pipe 31, so that cement or sand and stones in the feeding box 3 can be directly transported to the position above the feeding port 15 through the feeding pipe 31, and a large amount of smoke dust generated in the transportation process is avoided;
The stirring barrel 4 is arranged above the mixing barrel 13, the stirring assembly is arranged inside the stirring barrel 4, and the discharging pipe 43 is arranged on the barrel cover 41 above the stirring barrel 4, so that SiO2 hydrosol can be directly produced and put into the mixing barrel 13 to be involved in the production of low-carbon concrete;
After the required raw materials are finally put into the mixing bucket 13, the servo motor is started again to drive the first rotating shaft 16 to rotate, and then the scraping piece is driven to rotate, so that all the raw materials are mixed and stirred.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410473977.9A CN118181515A (en) | 2024-04-19 | 2024-04-19 | A method for preparing low-carbon concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410473977.9A CN118181515A (en) | 2024-04-19 | 2024-04-19 | A method for preparing low-carbon concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118181515A true CN118181515A (en) | 2024-06-14 |
Family
ID=91394982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410473977.9A Withdrawn CN118181515A (en) | 2024-04-19 | 2024-04-19 | A method for preparing low-carbon concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118181515A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118721429A (en) * | 2024-09-02 | 2024-10-01 | 泰州研砼建筑科技有限公司 | A raw material mixing device for preparing concrete modules |
-
2024
- 2024-04-19 CN CN202410473977.9A patent/CN118181515A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118721429A (en) * | 2024-09-02 | 2024-10-01 | 泰州研砼建筑科技有限公司 | A raw material mixing device for preparing concrete modules |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20240614 |
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| WW01 | Invention patent application withdrawn after publication |