CN113998930A - Environment-friendly concrete and manufacturing process thereof - Google Patents
Environment-friendly concrete and manufacturing process thereof Download PDFInfo
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- CN113998930A CN113998930A CN202111312963.1A CN202111312963A CN113998930A CN 113998930 A CN113998930 A CN 113998930A CN 202111312963 A CN202111312963 A CN 202111312963A CN 113998930 A CN113998930 A CN 113998930A
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- screening
- rigid coupling
- manufacturing process
- steel slag
- plate
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- 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
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
- B28C5/402—Methods
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- 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
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the field of building material preparation, in particular to environment-friendly concrete and a manufacturing process thereof. The process comprises the following steps: the method comprises the following steps: crushing the waste steel slag, screening the crushed waste steel slag into powder and particles, and recycling the powder for recycling; step two: according to the following steps: 4: 3: 15, adding a water reducing agent, a waterproof agent, a flame retardant and water in a ratio of 10min and mixing for 10 min; step three: preparing cement and fly ash, and adding the particles in the step one and the mixed liquid in the step two into the prepared cement and fly ash; step four: and (4) stirring the substances in the third step for 30min, and then blanking and collecting. Has the advantage that the granular waste steel slag can be processed to participate in the preparation of the concrete.
Description
Technical Field
The invention relates to the field of building material preparation, in particular to environment-friendly concrete and a manufacturing process thereof.
Background
The environment-friendly concrete is prepared by reasonably proportioning and stirring waste steel slag discharged from a steel plant, fly ash discharged from a power plant and cement, and the waste steel slag is not processed into particles to participate in the preparation of the concrete in the prior art.
Disclosure of Invention
The invention aims to provide environment-friendly concrete and a manufacturing process thereof, and the environment-friendly concrete has the advantage that granular waste steel slag can be processed to participate in the preparation of the concrete.
The purpose of the invention is realized by the following technical scheme:
an environment-friendly concrete manufacturing process comprises the following steps:
the method comprises the following steps: crushing the waste steel slag, screening the crushed waste steel slag into powder and particles, and recycling the powder for recycling;
step two: according to the following steps: 4: 3: 15, adding a water reducing agent, a waterproof agent, a flame retardant and water in a ratio of 10min and mixing for 10 min;
step three: preparing cement and fly ash, and adding the particles in the step one and the mixed liquid in the step two into the prepared cement and fly ash;
step four: and (4) stirring the substances in the third step for 30min, and then blanking and collecting.
Environmental protection concrete manufacturing process uses environmental protection concrete manufacturing installation, and the device includes screening case, screening board, recovery board, smashes bucket and flitch down, and it has the screening board to slide in the screening case, and screening board lower extreme rigid coupling has the recovery board, and the rigid coupling has crushing bucket on the screening case, and the lower extreme of smashing the bucket is provided with down the flitch.
Preferably, the device still includes spring holder, striker plate and vibrations board, and the equal rigid coupling in both sides of screening case has two spring holders, all has the vibrations board through the spring rigid coupling on every spring holder, and equal rigid coupling has the striker plate on every vibrations board, and the equal rigid coupling of a plurality of striker plates is on the screening board, and a plurality of striker plates all slide in the screening case.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a process flow diagram for preparing eco-friendly concrete;
FIG. 2 is a schematic view of a half-section structure of screening waste steel slag;
FIG. 3 is a schematic structural view of crushed and sieved waste steel slag;
FIG. 4 is a view showing a construction of parts for screening waste steel slag;
FIG. 5 is a view showing the construction of a part for crushing waste steel slag;
FIG. 6 is a block diagram of the mechanism shown in FIG. 4;
FIG. 7 is a schematic structural view of the sorted collection of waste steel slag;
FIG. 8 is a schematic structural view of concrete preparation;
FIG. 9 is a schematic structural view of transporting waste steel slag;
FIG. 10 is a schematic structural view of mixed waste steel slag.
Detailed Description
Referring to fig. 1, an implementation of manufacturing eco-concrete is described in detail:
an environment-friendly concrete manufacturing process comprises the following steps: the method comprises the following steps: crushing the waste steel slag, screening the crushed waste steel slag into powder and particles, and recycling the powder for recycling; step two: according to the following steps: 4: 3: 15, adding a water reducing agent, a waterproof agent, a flame retardant and water in a ratio of 10min and mixing for 10 min; step three: preparing cement and fly ash, and adding the particles in the step one and the mixed liquid in the step two into the prepared cement and fly ash; step four: and (4) stirring the substances in the third step for 30min, and then blanking and collecting.
Referring to fig. 2, the implementation of screening waste steel slag is detailed:
the environment-friendly concrete manufacturing process uses an environment-friendly concrete manufacturing device, the device comprises a screening box 11, a screening plate 12 is connected in the screening box 11 in a sliding manner, the screening plate 12 screens crushed waste steel slag falling on the screening plate, a plurality of screening holes are formed in the screening plate 12, the plurality of screening holes in the screening plate 12 allow waste steel slag with a diameter smaller than that of the waste steel slag to pass through, waste steel slag particles which cannot pass through the plurality of screening holes are left on the screening plate 12 to wait for collection, the screening plate 12 is obliquely arranged to facilitate the rolling of the waste steel slag falling on the screening plate, the screening plate 12 screens the crushed waste steel slag, the screening plate 12 can vibrate, the vibrating screening plate 12 can make the waste steel slag on the vibrating screening plate separated from the waste steel slag and then fall on the screening plate 12 again through the vibration of the vibrating screening plate, the waste steel slag can be effectively placed to stay in one position on the screening plate 12 all the time and cannot be screened, the waste steel slag particles can be effectively rolled on the recycling plate, so that the waste steel slag particles left after screening are intensively collected and subjected to subsequent treatment to participate in the manufacture of environment-friendly concrete, the manufacture of the environment-friendly concrete mainly takes cement as a cementing material and is mixed with other substances, the addition of granular waste steel slag instead of powdery waste steel slag is beneficial to the gluing of the cement on the waste steel slag, the lower end of the screening plate 12 is fixedly connected with a recycling plate 13 and falls on the recycling plate 13 at the lower end through a plurality of screening holes on the screening plate 12, the recycling plate 13 and the screening plate 12 are symmetrically arranged about a horizontal plane, therefore, the waste steel slag powder on the recycling plate 13 can slide to the leftmost end on the recycling plate 13 to be subjected to centralized treatment, the waste steel slag powder is more beneficial to recycling to obtain steel due to over crushing, and impurities can be more easily extracted without being crushed, fixedly connected with crushing bucket 14 on screening case 11, add waste steel slag to crushing bucket 14 in and smash, the waste steel slag that prevents to have great volume participates in the manufacturing of environmental protection concrete, influence the performance of concrete, flitch 15 under the lower extreme fixedly connected with of crushing bucket 14, be provided with a plurality of unloading holes on the flitch 15 down, can carry out preliminary screening to the waste steel slag that carries out the unloading after smashing, prevent that the waste steel slag granule of great volume does not carry out abundant crushing and just carry out the preparation that the unloading participated in the environmental protection concrete.
Referring to fig. 3 and 4, the detailed description of the process of screening waste steel slag by vibrating the screening plate:
two spring seats 16 are fixedly connected to the front side and the rear side of the screening box 11, a vibration plate 18 is fixedly connected to each spring seat 16 through a spring, a striker plate 17 is fixedly connected to each vibration plate 18, the striker plates 17 are fixedly connected to the screening plate 12, the striker plates 17 are slidably connected in the screening box 11, when the vibration plates 18 are driven by external force to ascend, the striker plates 18 drive the striker plates 17 to ascend, the striker plates 17 drive the screening plate 12 to ascend, when the vibration plates 18 ascend, the springs are compressed, when the external force is lost to push the vibration plates 18 to ascend, the springs compressed by stress push the vibration plates 18 to descend, the vibration plates 18 drive the screening plate 12, so that the vibration of the screening plate 12 is realized, the screening of the crushed waste steel slag and the respective collection of the waste steel slag particles and powder are realized, in the vibration process of the screening plate 12 and the recovery plate 13, the waste steel slag of screening probably flows from the notch on the gliding screening case 11 of a plurality of vibrations board 18, prevents to appear revealing, consequently sets up a plurality of striker plates 17 and blocks the gliding notch of a plurality of vibrations boards 18, prevents that waste steel slag from exposing.
Referring to fig. 5, the implementation process of crushing waste steel slag is described in detail:
an upper plate 21 is fixedly connected to the crushing barrel 14, a rotating shaft 22 is rotatably connected to the upper plate 21, the rotating shaft 22 is fixedly connected to an output shaft of a speed reducing motor I, the speed reducing motor I is fixedly connected to the upper plate 21, when the speed reducing motor I is started, the output shaft of the speed reducing motor I drives the rotating shaft 22 to rotate, a plurality of cutters 23 are uniformly distributed on the rotating shaft 22, the rotating shaft 22 drives the plurality of cutters 23 to cut so as to achieve the effect of crushing waste steel slag, the crushed waste steel slag which can pass through the blanking plate 15 falls onto a screening plate 12 at the lower end to be screened, a discharging plate 24 is fixedly connected to the bottom end of the rotating shaft 22, the discharging plate 24 is in surface contact with the blanking plate 15, the rotating shaft 22 drives the discharging plate 24 to rotate, the discharging plate 24 pushes the waste steel slag on the blanking plate 15, the situation that the waste steel slag which cannot pass through the blanking plate 15 stays at one position to block the blanking plate 15 is prevented from passing through the blanking plate 15, affecting the preparation of the environment-friendly concrete.
Referring to fig. 6, the implementation of driving the diaphragm to ascend is described in detail:
the front end and the rear end of the screening box 11 are both rotationally connected with synchronizing shafts 32, the two synchronizing shafts 32 are in transmission through a toothed belt, the two synchronizing shafts 32 are both fixedly connected with two cams 31, the plurality of cams 31 are respectively in line contact with the corresponding vibration plates 18, one synchronizing shaft 32 is fixedly connected to an output shaft of a speed reducing motor II, the speed reducing motor II is fixedly connected to the screening box 11, the speed reducing motor II is started, the speed reducing motor II drives the synchronizing shaft 32 fixedly connected with the speed reducing motor II to rotate, the synchronizing shaft 32 drives the other synchronizing shaft 32 to rotate through the toothed belt, the two synchronizing shafts 32 drive the plurality of cams 31 to rotate, the plurality of cams 31 periodically push the plurality of vibration plates 18 to ascend along with the rotation, the pushing and resetting of the plurality of springs are matched to realize the vibration of the plurality of vibration plates 18, further the vibration of the screening plate 12 and the recovery plate 13 is realized, further the screening and the collection of the crushed waste steel slag are realized, set up the fan on the inner wall on screening case 11 right side, the wind that the fan blew out blows to the up end of screening board 12, and along with the unloading of the waste steel slag after smashing is bloied to it, according to the weight difference of the waste steel slag of different volumes, separates the waste steel slag after smashing for the speed of screening graininess waste steel slag and powdered waste steel slag, accelerate screening efficiency.
Referring to fig. 7, an implementation process of collecting crushed waste steel slag is described in detail:
the left and right sides of screening case 11 all is provided with discharge gate 42, the discharge gate 42 of left end is located the lower extreme of recovery board 13, along with the vibrations of recovery board 13, powdered waste steel slag flows through the discharge gate 42 of left end, the discharge gate 42 of right-hand member is located the lower extreme of screening board 12 and is located the upper end of recovery board 13, along with the vibrations of screening board 12, the graininess waste steel slag that stays on screening board 12 flows from the discharge gate 42 of right-hand member, the equal fixedly connected with guide box 41 in the left and right sides of screening case 11, because two discharge gate 42 are uncovered too big, be unfavorable for the collection, consequently, the bottom plate slope of both sides around two guide box 41 that set up, the waste steel slag direction that will flow flows to the middle part, it is convenient for collect to flow from the less export of lower extreme.
Referring to fig. 8 and 9, an implementation of preparing eco-concrete is described in detail:
an arc-shaped frame 51 is fixedly connected to the right-side material guiding box 41, granular waste steel slag flows into the arc-shaped frame 51 after being guided by the material guiding box 41, a lifting box 52 is fixedly connected to the arc-shaped frame 51, a spiral wheel 71 is connected to the lifting box 52 in a rotating mode, the spiral wheel 71 is fixedly connected to an output shaft of a speed reduction motor III, the speed reduction motor III is fixedly connected to the upper end of the lifting box 52, the speed reduction motor III is started, the speed reduction motor III drives the spiral wheel 71 to rotate, the spiral wheel 71 rotates to lift the waste steel slag sliding into the lifting box 52 in the arc-shaped frame 51, the waste steel slag lifting box 52 is lifted to the upper end, a lower sliding pipe 53 is fixedly connected to the lifting box 52, the waste steel slag at the upper end of the lifting box 52 enters the lower sliding pipe 53, a mixing box 61 is fixedly connected to the sieving box 11 and the lower sliding pipe 53, the lower sliding pipe 53 is communicated with the mixing box 61, the waste steel slag in the lower sliding pipe 53 slides into the mixing box 61, the realization is to the feeding of mixing box 61, two inlet pipes 62 of fixedly connected with on the mixing box 61, can add quantitative cement, fly ash and liquid solution through two inlet pipes 62, carries out the preparation of concrete, and mixing box 61 lower extreme fixed connection unloading pipe 63 can realize the unloading of the concrete of preparation number through unloading pipe 63, is provided with the switch in the unloading pipe 63, can realize closing of unloading pipe 63, makes the concrete raw materials carry out abundant mixture.
Referring to fig. 10, the implementation of the concrete raw materials transport and mixing process is detailed:
a sealing plate 81 is fixedly connected to the mixing box 61, the sealing plate 81 prevents the concrete or the components thereof from leaking,
rotate on the shrouding 81 and be connected with the mixing wheel 82, mixing wheel 82 fixed connection is on gear motor IV's output shaft, gear motor IV fixed connection is on shrouding 81, start gear motor IV, gear motor IV drives mixing wheel 82 and rotates, the blade of mixing wheel 82 is the heliciform, can promote the concrete when mixing wheel 82 rotates and carry out the axial transportation of mixing wheel 82, the motion along with the raw materials of concrete also can realize the mixing to the raw materials, and then to the abundant mixture of raw materials, reach the purpose of preparation environmental protection concrete.
Referring to fig. 10, the implementation of the thorough mixing of concrete is detailed:
fixed connection has material limiting plate 83 and scraping wings 84 on the hybrid wheel 82, drive material limiting plate 83 and scraping wings 84 and rotate when hybrid wheel 82 rotates, be provided with two punishment in advance holes on the material limiting plate 83, the space that material limiting plate 83 and shrouding 81 can only be flowed to from two punishment in advance holes to the concrete, flow out from unloading pipe 63 again, material limiting plate 83 can prevent that too much concrete from piling up simultaneously and carrying out the unloading, cause the jam of unloading pipe 63, scraping wings 84 rotates and can promote the concrete in material limiting plate 83 and shrouding 81's the space completely, the upset carries out intensive mixing, prevent that it from appearing mixing inhomogeneous condition.
Claims (10)
1. An environment-friendly concrete manufacturing process is characterized in that: the process comprises the following steps:
the method comprises the following steps: crushing the waste steel slag, screening the crushed waste steel slag into powder and particles, and recycling the powder for recycling;
step two: according to the following steps: 4: 3: 15, adding a water reducing agent, a waterproof agent, a flame retardant and water in a ratio of 10min and mixing for 10 min;
step three: preparing cement and fly ash, and adding the particles in the step one and the mixed liquid in the step two into the prepared cement and fly ash;
step four: and (4) stirring the substances in the third step for 30min, and then blanking and collecting.
2. The environmentally friendly concrete manufacturing process according to claim 1, wherein: environmental protection concrete manufacturing process uses environmental protection concrete manufacturing installation, the device including screening case (11), screening board (12), recovery board (13), smash bucket (14) and flitch (15) down, it has screening board (12) to slide in screening case (11), and screening board (12) lower extreme rigid coupling has recovery board (13), and the rigid coupling has crushing bucket (14) on screening case (11), and the lower extreme of smashing bucket (14) is provided with down flitch (15).
3. The environmentally friendly concrete manufacturing process according to claim 2, wherein: the device still includes spring holder (16), striker plate (17) and vibrations board (18), and the equal rigid coupling in both sides of screening case (11) has two spring holders (16), all has vibrations board (18) through the spring rigid coupling on every spring holder (16), and equal rigid coupling has striker plate (17) on every vibrations board (18), and the equal rigid coupling of a plurality of striker plates (17) is on screening board (12), and a plurality of striker plates (17) all slide in screening case (11).
4. The environmentally friendly concrete manufacturing process according to claim 2, wherein: the device still includes upper plate (21), pivot (22), cutting knife (23) and row flitch (24), and upper plate (21) rigid coupling has pivot (22) on crushing bucket (14), and the equipartition has a plurality of cutting knives (23) on pivot (22), and the bottom rigid coupling of pivot (22) has row flitch (24), arranges flitch (24) and flitch (15) face contact down.
5. The environmentally friendly concrete manufacturing process of claim 3, wherein: the device still includes cam (31) and synchronizing shaft (32), and the both ends of screening case (11) all rotate synchronizing shaft (32), and two synchronizing shaft (32) are through the tooth belt transmission, and equal rigid coupling has two cam (31) on two synchronizing shaft (32), and a plurality of cam (31) respectively with the vibrations board (18) line contact that corresponds.
6. The environmentally friendly concrete manufacturing process according to claim 5, wherein: the device also comprises a material guiding box (41) and a material outlet (42), wherein the material outlet (42) is arranged on the left side and the right side of the screening box (11), and the material guiding box (41) is fixedly connected on the left side and the right side of the screening box (11).
7. The environmentally friendly concrete manufacturing process according to claim 6, wherein: the device still includes arc frame (51), lifting case (52), slide tube (53) down, mixing box (61), inlet pipe (62), unloading pipe (63) and helix (71), the rigid coupling has arc frame (51) on guide case (41) on right side, the rigid coupling has lifting case (52) on arc frame (51), it has helix (71) to rotate on lifting case (52), the rigid coupling has slide tube (53) down on lifting case (52), mixing box (61) rigid coupling is on screening case (11) and slide tube (53), the rigid coupling has two inlet pipes (62) and unloading pipe (63) on mixing box (61).
8. The environmentally friendly concrete manufacturing process according to claim 7, wherein: the device also comprises a sealing plate (81) and a mixing wheel (82), wherein the sealing plate (81) is fixedly connected to the mixing box (61), and the mixing wheel (82) rotates on the sealing plate (81).
9. The environmentally friendly concrete manufacturing process according to claim 8, wherein: the device also comprises a material limiting plate (83) and a material pushing plate (84), wherein the material limiting plate (83) and the material pushing plate (84) are fixedly connected to the mixing wheel (82).
10. The environment-friendly concrete manufactured by the environment-friendly concrete manufacturing process according to claim 9, characterized in that: the environment-friendly concrete comprises the following components in parts by weight: 60 parts of waste steel slag; 45 parts of cement; 50 parts of fly ash; 4 parts of a water reducing agent; 8 parts of a waterproof agent; 6 parts of a flame retardant; and 30 parts of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111312963.1A CN113998930A (en) | 2021-11-08 | 2021-11-08 | Environment-friendly concrete and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111312963.1A CN113998930A (en) | 2021-11-08 | 2021-11-08 | Environment-friendly concrete and manufacturing process thereof |
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| Publication Number | Publication Date |
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| CN113998930A true CN113998930A (en) | 2022-02-01 |
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| CN202111312963.1A Pending CN113998930A (en) | 2021-11-08 | 2021-11-08 | Environment-friendly concrete and manufacturing process thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100080659A1 (en) * | 2008-09-29 | 2010-04-01 | Prs Mediterranean Ltd. | Geocell for load support applications |
| CN209680208U (en) * | 2019-01-13 | 2019-11-26 | 南通开放大学 | A kind of discarded concrete regeneration concrete device |
| CN111302737A (en) * | 2020-04-03 | 2020-06-19 | 河南国泰建筑安装有限公司 | Steel slag concrete with broken stone replaced by steel slag and preparation method thereof |
| CN211914522U (en) * | 2020-03-13 | 2020-11-13 | 深圳市金得益建材有限公司 | Dry sand screening plant is used in concrete production |
| CN212263453U (en) * | 2020-05-09 | 2021-01-01 | 修武县美恒建材科技有限公司 | Screening plant for aerated concrete |
| CN113461371A (en) * | 2021-07-22 | 2021-10-01 | 卿森林 | Anti-freezing concrete and production equipment thereof |
-
2021
- 2021-11-08 CN CN202111312963.1A patent/CN113998930A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100080659A1 (en) * | 2008-09-29 | 2010-04-01 | Prs Mediterranean Ltd. | Geocell for load support applications |
| CN209680208U (en) * | 2019-01-13 | 2019-11-26 | 南通开放大学 | A kind of discarded concrete regeneration concrete device |
| CN211914522U (en) * | 2020-03-13 | 2020-11-13 | 深圳市金得益建材有限公司 | Dry sand screening plant is used in concrete production |
| CN111302737A (en) * | 2020-04-03 | 2020-06-19 | 河南国泰建筑安装有限公司 | Steel slag concrete with broken stone replaced by steel slag and preparation method thereof |
| CN212263453U (en) * | 2020-05-09 | 2021-01-01 | 修武县美恒建材科技有限公司 | Screening plant for aerated concrete |
| CN113461371A (en) * | 2021-07-22 | 2021-10-01 | 卿森林 | Anti-freezing concrete and production equipment thereof |
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