CN112850021A - Recycled concrete and production process thereof - Google Patents
Recycled concrete and production process thereof Download PDFInfo
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- CN112850021A CN112850021A CN202110066418.2A CN202110066418A CN112850021A CN 112850021 A CN112850021 A CN 112850021A CN 202110066418 A CN202110066418 A CN 202110066418A CN 112850021 A CN112850021 A CN 112850021A
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- aggregate
- guide plate
- material guide
- belt
- inclined belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/12—Cleaning devices comprising scrapers
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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
- B28C5/003—Methods for mixing
- B28C5/006—Methods for mixing involving mechanical aspects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/26—Cleaning devices for gathering residue after cleaning
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The application relates to the field of recycled concrete production, in particular to recycled concrete and a production process thereof, and the production process comprises the following steps of aggregate treatment, aggregate transportation, aggregate recovery, drying of an inclined belt, recovery of washing water, recycling of the recycled aggregate, and conveying of the aggregate with water recovered by a recovery mechanism into a main stirrer by using a spiral conveyor after the inclined belt finishes the aggregate transportation; conveying the washing water into the main stirrer by using the washing water; the aggregate is stirred in the main stirrer to form the recycled concrete. This application has the effect of the aggregate that is convenient for adhere and drop on retrieving oblique belt, is favorable to the make full use of resource, avoids extravagant, and environmental protection more, and is favorable to making the aggregate ratio that gets into in the main mixer more accurate, improves the production quality of concrete, has avoided the artifical aggregate that drops of collecting in later stage and the artifical oblique belt of clearance, is favorable to reducing operating personnel intensity of labour, reduces the human cost.
Description
Technical Field
The application relates to the field of recycled concrete production, in particular to recycled concrete and a production process thereof.
Background
The regenerated concrete is prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded waste concrete blocks with a grading agent according to a certain proportion, partially or completely replacing natural aggregates such as sand stones and the like, and adding cement, water and the like.
In the production process of recycled concrete, the recycled aggregate replaces part of coarse aggregate or fine aggregate and is sent to a proportioning machine, the prepared aggregate in the proportioning machine is sent to a waiting hopper at the upper part of a main stirring machine through a flat belt conveyor and an inclined belt conveyor, cement, water coal ash and the like are used as fine aggregate and are conveyed to respective storage bins through a screw conveyor, and quantitative water and additives are added into the metered fine aggregate and are sent to the main stirring machine to be stirred and mixed with the coarse aggregate to form the recycled concrete.
However, the aggregates are easy to be wet or too humid in the transportation and storage processes, so that part of the aggregates are adhered to the inclined belt in the process of being sent into the main stirring machine by the flat belt and the inclined belt conveyor, and the aggregates fall off in the operation process of the inclined belt, thereby causing resource waste.
Disclosure of Invention
In order to improve the problem of aggregate waste adhered to the inclined belt, the application provides recycled concrete and a production process thereof.
The recycled concrete and the production process thereof adopt the following technical scheme:
the production process of the recycled concrete comprises the following steps of treating aggregate, wherein the aggregate comprises coarse aggregate and recycled aggregate, conveying the aggregate into a proportioning machine, and uniformly stirring and drying the aggregate in the proportioning machine;
transporting aggregate, outputting the aggregate to a flat belt by a batching machine, conveying the aggregate to an inclined belt by the flat belt, conveying the aggregate to an opening at the top end of a main stirrer by the inclined belt, and dropping the aggregate into the main stirrer at the top end of the inclined belt;
the aggregate is recycled, a scraping plate is arranged below a flat belt, the scraping plate enables the aggregate on the flat belt to fall onto an inclined belt, a support, a first material guide plate, a second material guide plate, a flushing mechanism and a recycling mechanism are arranged below the inclined belt, the flushing mechanism flushes the aggregate adhered to the inclined belt onto the first material guide plate, the aggregate leaked between the inclined belt and a main mixer falls onto the second material guide plate, and the aggregate on the first material guide plate and the aggregate on the second material guide plate slide into the recycling mechanism;
drying the inclined belt, namely drying the inclined belt by using a drying mechanism after the inclined belt is washed by a washing mechanism and water and adhered aggregates on the inclined belt are scraped by using a first material guide plate;
recycling the washing water, filtering part of water in the collected aggregate by using a recycling mechanism, and continuously washing the inclined belt, the first material guide plate and the second material guide plate by recycling the filtered water;
the recycled aggregate is reused, and after the aggregate conveying work is finished by the inclined belt, the aggregate with water recycled by the recycling mechanism is sent into the main stirrer by the spiral conveyor;
conveying the washing water into the main stirrer by using the washing water;
the aggregate is stirred in the main stirrer to form the recycled concrete.
By adopting the technical scheme, the aggregates are uniformly stirred and dried in the batching machine, so that the moisture on the surfaces of the aggregates is favorably reduced, the adhesion condition of the aggregates on the flat belt and the inclined belt is reduced, the aggregates adhered to the flat belt are favorably scraped by utilizing the scraping plate, and the aggregates on the flat belt are uniformly conveyed to the inclined belt; when the aggregates on the inclined belt are conveyed into the main stirrer, the aggregates falling from the gap between the inclined belt and the main stirrer are received by the second material guide plate; washing one side of the inclined belt with the discharged aggregate by using a washing mechanism so as to be convenient for separating the aggregate adhered to the inclined belt from the inclined belt, so that the washed aggregate falls into the first material guide plate, and the washing mechanism is favorable for the aggregate on the first material guide plate and the second material guide plate to slide to the recovery mechanism; filtering out part of water in the collected aggregate by using a recovery mechanism, recycling the filtered water, finally sending the recovered aggregate into a main stirring machine by using a spiral conveyor, and conveying water used by a flushing mechanism to the main stirring machine for stirring to form recycled concrete; by recycling the aggregates adhered and dropped on the inclined belt, the method is beneficial to fully utilizing resources, avoiding waste and being more environment-friendly.
Preferably, a plurality of air intakes have been seted up to the proportioning machine, the outside of proportioning machine in air intake department fixedly connected with air-supply line, the inside of proportioning machine in air intake department fixedly connected with prevents stifled net, the first air heater of proportioning machine fixedly connected with, first air heater fixedly connected with main tuber pipe is a plurality of the air-supply line all with main tuber pipe intercommunication and fixed.
Through adopting above-mentioned technical scheme, when the proportioning machine stirs the aggregate, first air heater makes hot-blast process main air pipe inflow a plurality of air-supply lines, hot-blast from a plurality of different positions bottom that get into the proportioning machine inside by a plurality of air-supply lines, be favorable to increasing hot-blast flow area, hot-blast bottom by the proportioning machine moves towards the upper end opening of proportioning machine, be favorable to hot-blast more aggregates of process, take away the moisture of aggregate surface through hot-blast, be favorable to improving the drying efficiency of aggregate, realize the effect of the dry aggregate of being convenient for.
Preferably, the first material guide plate is fixedly connected with the support, the second material guide plate is fixedly connected with the main stirrer, the first material guide plate is abutted against the lower side of the inclined belt, and the second material guide plate is positioned below the gap between the inclined belt and the main stirrer.
Through adopting above-mentioned technical scheme, when oblique belt rotated through first stock guide, the aggregate of adhesion was scraped on first stock guide by first stock guide on the oblique belt, and partial aggregate drops on the second stock guide in oblique belt and main mixer mid-gap department simultaneously, is favorable to receiving the aggregate.
Preferably, wash the mechanism and include trunk line and a plurality of shower nozzle, the trunk line with support fixed connection, the trunk line is connected with external high-pressure water source, and is a plurality of the shower nozzle all with the trunk line is fixed and intercommunication, and a plurality of shower nozzles face respectively oblique belt first stock guide with the second stock guide sets up.
Through adopting above-mentioned technical scheme, utilize the shower nozzle to the downside water spray of oblique belt, be favorable to washing away the oblique belt with the aggregate, reduce the adhesion strength of aggregate and oblique belt, prevent aggregate and oblique belt adhesion tension and lead to the aggregate card to die between first stock guide and oblique belt.
Preferably, the support is fixedly connected with a wind pipe, the wind pipe is communicated with an air blower, the wind pipe is communicated with a plurality of wind outlet pipes, the wind outlet pipes face towards the first material guide plate and the second material guide plate respectively, and the wind outlet pipes face towards the first material guide plate and the second material guide plate along the downward inclined direction.
Through adopting above-mentioned technical scheme, the air current that the air-blower produced distributes to every play tuber pipe department along wind-force pipe and discharges, and a plurality of play tuber pipes are bloied towards first stock guide and second stock guide along slant decurrent direction respectively, and the air current from top to bottom is favorable to promoting the aggregate and removes towards the filter screen bucket, is favorable to preventing that the aggregate from piling up on first stock guide and second stock guide.
Preferably, the support rotates and is connected with the scraper blade roller, the scraper blade roller includes a plurality of rubber scraper and two fixed disks, two the fixed disk all with the support rotates and connects, every rubber scraper all is fixed in two between the fixed disk, the first motor of support fixedly connected with, the output and one of first motor the coaxial fixed connection of fixed disk.
Through adopting above-mentioned technical scheme, first motor drive fixed disk drives the rubber scraper blade and rotates, and every rubber scraper blade all with oblique belt butt when being close to oblique belt department, utilize rubber scraper blade to be favorable to scraping down the aggregate that adheres on oblique belt, oblique belt process first stock guide behind the rubber scraper blade, the first stock guide of being convenient for is scraped down the remaining aggregate on the oblique belt.
Preferably, retrieve the mechanism and include receiver box and filter screen bucket, the receiver box with support fixed connection, the filter screen bucket be located inside the receiver box and with the receiver box rotates to be connected, the filter screen bucket be located first stock guide with the below of second stock guide, the receiver box is provided with and is used for the drive filter screen bucket pivoted drive assembly.
Through adopting above-mentioned technical scheme, rivers drive the aggregate along first stock guide and second stock guide landing to the filter screen bucket in, the aggregate stops in the filter screen bucket is inside, and rivers flow into the receiving box in the week side and the bottom of filter screen bucket, utilize drive assembly drive filter screen bucket to rotate, are favorable to improving the speed that rivers flow in the receiving box.
Preferably, drive assembly includes second motor and driving gear, receiver fixedly connected with mounting bracket, the driving gear with the mounting bracket rotates to be connected, the axial of driving gear sets up along vertical direction, the filter screen bucket with the mounting bracket rotates to be connected, the annular driven gear of week side fixedly connected with of filter screen bucket, the driving gear with driven gear meshes the connection, the second motor with support fixed connection, the output of second motor with the coaxial fixed connection of driving gear.
Through adopting above-mentioned technical scheme, the filter screen bucket rotates with the mounting bracket to be connected, is favorable to preventing that the filter screen bucket from breaking away from the mounting bracket, starts the second motor, and the drive driving gear rotates, and the driving gear drives the filter screen bucket through driven gear and rotates, realizes being convenient for to drive filter screen bucket pivoted effect.
Preferably, two baffles are fixedly connected to two sides of the first material guide plate and two sides of the second material guide plate, two adjacent baffles are distributed in a splayed shape, and the distance between the two adjacent baffles is gradually reduced along a downward direction.
Through adopting above-mentioned technical scheme, utilize the baffle to be favorable to preventing the aggregate in the both sides roll-off of first stock guide and second stock guide, the distance between two adjacent baffles reduces along decurrent direction gradually, is favorable to the upper end opening that the filter screen bucket was all aimed at to the lower extreme of first stock guide and second stock guide, prevents that the aggregate from spilling filter screen bucket.
The application also provides recycled concrete which is prepared by adopting the production process of the recycled concrete.
Through adopting above-mentioned technical scheme, the aggregate that adheres and drop on the recovery inclined belt for the aggregate ratio that gets into in the main mixer is more accurate, is favorable to improving the production quality of concrete, and the water among the make full use of recovery process, the resource of utilizing more fully, green.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by recycling the aggregates adhered and dropped on the inclined belt, resources are fully utilized, waste is avoided, the aggregate is more environment-friendly, the aggregates entering the main stirrer are more accurately proportioned, the production quality of concrete is improved, the dropped aggregates are prevented from being manually collected and the inclined belt is prevented from being manually cleaned in the later period, the labor intensity of operators is reduced, and the labor cost is reduced;
2. the spraying head is used for spraying water to the inclined belt, the first material guide plate and the second material guide plate, the rubber scraper is matched for intermittently scraping aggregate adhered to the inclined belt, the first material guide plate is convenient for scraping off residual water and aggregate on the inclined belt, the air outlet pipe is used for respectively blowing air towards the first material guide plate and the second material guide plate along the downward inclined direction, and water flow and air flow are convenient for pushing the aggregate to slide into the filter screen barrel;
3. the driven gear is driven by the driving gear to drive the filter screen barrel to rotate, the speed of water flow flowing into the receiving box is increased, water in the receiving box is input into a main pipeline along an auxiliary pipeline by the aid of the first high-pressure pump, then the water is sprayed out by the spray head and is beneficial to cyclic utilization of the water received by the receiving box, and finally the water in the receiving box is conveyed to the main stirrer along the drain pipe by the aid of the second high-pressure pump, so that resources are fully utilized.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a cross-sectional view of an embodiment of the present application.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 2.
Fig. 5 is an enlarged view at C in fig. 1.
Fig. 6 is a partial structural schematic diagram of another view in the embodiment of the present application.
Description of reference numerals: 1. a dosing machine; 2. a flat belt; 3. a scraping plate; 4. an inclined belt; 5. a main stirrer; 6. a first material guide plate; 7. a second material guide plate; 8. a first air heater; 9. a main air duct; 10. an air inlet pipe; 11. a baffle plate; 12. a receiving box; 13. a screen barrel; 14. a rubber blade; 15. fixing the disc; 16. a first motor; 17. a main pipeline; 18. a spray head; 19. a wind pipe; 20. an air outlet pipe; 21. a blower; 22. a second motor; 23. a driving gear; 24. a mounting ring; 25. a mounting frame; 26. a fixing ring; 27. connecting blocks; 28. a driven gear; 29. a secondary pipe; 30. a first valve; 31. a first high pressure pump; 32. a second high pressure pump; 33. a drain pipe; 34. a second valve; 35. a discharge pipe; 36. a screw conveyor; 37. a third valve; 38. a second air heater.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Example one
The embodiment of the application discloses a production process of recycled concrete.
The production process of the recycled concrete comprises the following steps,
s1: aggregate treatment, wherein the aggregate comprises coarse aggregate and recycled aggregate, the coarse aggregate is pebbles, the recycled aggregate is concrete fragments, the aggregate is conveyed into a proportioning machine 1, and the aggregate is uniformly stirred and dried in the proportioning machine 1;
s2: transporting aggregate, outputting the aggregate to a flat belt 2 by a batching machine 1, conveying the aggregate to an inclined belt 4 by the flat belt 2, conveying the aggregate to an opening at the top end of a main stirring machine 5 by the inclined belt 4, and dropping the aggregate into the main stirring machine 5 at the top end of the inclined belt 4;
s3: aggregate is recycled, a scraping plate 3 is arranged below a flat belt 2, aggregate on the flat belt 2 falls onto an inclined belt 4 through the scraping plate 3, a support, a first material guide plate 6, a second material guide plate 7, a flushing mechanism and a recycling mechanism are arranged below the inclined belt 4, the aggregate adhered to the inclined belt 4 is flushed onto the first material guide plate 6 through the flushing mechanism, aggregate leaked between the inclined belt 4 and a main mixer 5 falls onto the second material guide plate 7, and aggregate on the first material guide plate 6 and the second material guide plate 7 slides into the recycling mechanism;
s4: the inclined belt 4 is dried, and after the inclined belt 4 is washed by the washing mechanism and the water and the adhered aggregate on the inclined belt 4 are scraped off by the first material guide plate 6, the inclined belt 4 is dried by the drying mechanism;
s5: recycling the washing water, filtering part of water in the collected aggregate by using a recycling mechanism, and continuously washing the inclined belt 4, the first material guide plate 6 and the second material guide plate 7 by recycling the filtered water;
s6: the recycled aggregate is reused, and after the inclined belt 4 finishes the aggregate conveying work, the aggregate with water recycled by the recycling mechanism is conveyed into the main stirrer 5 by the spiral conveyor 36;
s7: then, the washing water is conveyed into the main stirrer 5;
s8: river sand, cement, fly ash, additives and water are conveyed into the main mixer 5 by the screw conveyor 36, and are mixed with aggregate in the main mixer 5 to form recycled concrete.
The aggregate is stirred evenly and is dried in proportioning machine 1, is favorable to reducing the moisture on aggregate surface, reduces the adhesion condition of aggregate on flat belt 2 and oblique belt 4, utilizes to scrape flitch 3 and is favorable to scraping off the aggregate of adhesion on the flat belt 2 for the aggregate on the flat belt 2 all carries to oblique belt 4 on.
When the aggregate on the inclined belt 4 is conveyed into the main mixer 5, part of the aggregate falls onto the second material guide plate 7 at the gap between the inclined belt 4 and the main mixer 5, and simultaneously, one side of the inclined belt 4 from which the aggregate is discharged is washed by the washing mechanism, so that the aggregate adhered to the inclined belt 4 is separated from the inclined belt 4, and the washed aggregate falls into the first material guide plate 6.
The flushing mechanism enables the aggregates on the first guide plate 6 and the second guide plate 7 to slide down to the recovery mechanism, part of the collected aggregates is filtered out by the recovery mechanism, the filtered water is recycled to continuously flush the inclined belt 4, the first guide plate 6 and the second guide plate 7, finally the recovered aggregates are sent to the main stirring machine 5 by the spiral conveyor 36, the water for the flushing mechanism is conveyed to the main stirring machine 5, and the recycled concrete is formed by mixing the river sand, the cement, the water coal ash, the additive and the water.
The aggregate adhered and dropped on the inclined belt 4 is recovered, so that the full utilization of resources is facilitated, the waste is avoided, and the environment is protected; the aggregate entering the main mixer 5 can be more accurately proportioned, and the production quality of concrete is improved; avoided the artifical aggregate that drops of collecting of later stage and artifical clearance oblique belt 4, be favorable to reducing operating personnel intensity of labour, reduced the human cost.
Referring to fig. 1 and 2, for the convenience of dry aggregate in proportioning machine 1, a plurality of air intakes have been seted up to proportioning machine 1, and a plurality of air intakes are located proportioning machine 1's lower extreme, and along proportioning machine 1's circumference equal interval distribution, and proportioning machine 1's inside is in air intake department fixedly connected with anti-blocking net. The outside of proportioning machine 1 is fixedly connected with air-supply line 10 (refer to fig. 3) in air inlet department, the first air heater 8 of proportioning machine 1 fixedly connected with, first air heater 8 fixedly connected with main tuber pipe 9, and a plurality of air-supply lines 10 all communicate and are fixed with main tuber pipe 9.
When proportioning machine 1 stirs the aggregate, start first air heater 8, hot-blast through main air duct 9 inflow a plurality of air-supply lines 10, utilize and prevent stifled net and prevent that the aggregate from getting into air-supply line 10, hot-blast bottom from a plurality of different positions entering proportioning machine 1 inside by a plurality of air-supply lines 10, be favorable to increasing hot-blast flow area, hot-blast bottom by proportioning machine 1 moves towards the upper end opening of proportioning machine 1, be favorable to hot-blast aggregate more through, take away the moisture of aggregate surface through hot-blast, be favorable to improving the drying efficiency of aggregate, realize the effect of the dry aggregate of being convenient for.
Referring to fig. 1 and 2, in order to collect aggregate, the bracket is fixedly connected with a scraping plate 3 at the joint of a flat belt 2 and an inclined belt 4, one end of the scraping plate 3 is abutted against the lower side of the flat belt 2, and the other end of the scraping plate 3 is abutted against the upper side of the inclined belt 4.
Referring to fig. 1, the first material guiding plate 6 is fixedly connected to the bracket, the second material guiding plate 7 is fixedly connected to the outer side wall of the main mixer 5, the first material guiding plate 6 abuts against the lower side of the inclined belt 4, and the second material guiding plate 7 is located below the gap between the inclined belt 4 and the main mixer 5. Two baffle plates 11 are fixedly connected to two sides of the first material guide plate 6 and the second material guide plate 7, two adjacent baffle plates 11 are distributed in a splayed shape, and the distance between the two adjacent baffle plates 11 is gradually reduced along the downward direction.
Referring to fig. 2, the recycling mechanism is arranged below a gap between the inclined belt 4 and the main mixer 5, the recycling mechanism comprises a receiving box 12 and a filter screen barrel 13, the receiving box 12 is fixedly connected with the support, the filter screen barrel 13 is positioned inside the receiving box 12 and is rotatably connected with the receiving box 12, and the lower ends of the first material guide plate 6 and the second material guide plate 7 are aligned to an upper opening of the filter screen barrel 13.
Utilize scraping the flitch 3 and be convenient for the aggregate of flat belt 2 adhesion all to drop to oblique belt 4 on, oblique belt 4 rotates when passing through first stock guide 6, and the aggregate of adhesion is scraped on oblique belt 4 and is fallen on first stock guide 6, and partial aggregate drops on second stock guide 7 in oblique belt 4 and 5 middle space departments of main mixer simultaneously, utilizes baffle 11 to prevent the aggregate in the both sides roll-off of first stock guide 6 and second stock guide 7.
The distance between two adjacent baffles 11 is gradually reduced along the downward direction, which is beneficial for the lower ends of the first material guide plate 6 and the second material guide plate 7 to be aligned with the upper end opening of the filter screen barrel 13, so that the aggregates can slide into the filter screen barrel 13 along the first material guide plate 6 and the second material guide plate 7, and the effect of conveniently collecting the aggregates is realized.
Referring to fig. 2 and 4, in order to facilitate the aggregates to slide into the filter screen barrel 13 along the first material guide plate 6 and the second material guide plate 7, the bracket is rotatably connected with a scraper roller, the scraper roller comprises four rubber scrapers 14 and two fixed disks 15, the two fixed disks 15 are both rotatably connected with the bracket, each rubber scraper 14 is fixed between the two fixed disks 15, the four rubber scrapers 14 are circumferentially distributed at equal intervals along the fixed disks 15, the bracket is fixedly connected with a first motor 16 (refer to fig. 6), and an output end of the first motor 16 is coaxially and fixedly connected with one fixed disk 15.
Referring to fig. 4, the washing mechanism includes a main pipe 17 and a plurality of spray heads 18, the main pipe 17 is fixedly connected with the support, the main pipe 17 is connected with an external high-pressure water source, the plurality of spray heads 18 are all fixed and communicated with the main pipe 17, the plurality of spray heads 18 are divided into three rows along the axial direction of the main pipe 17, and the three rows of spray heads 18 are respectively arranged towards the lower side of the inclined belt 4, the first material guide plate 6 and the second material guide plate 7.
Utilize 18 downside water spray to oblique belt 4 of shower nozzle, be favorable to washing away oblique belt 4 with the aggregate, reduce the adhesion strength of aggregate and oblique belt 4, prevent aggregate and oblique belt 4 adhesion tension and lead to the aggregate card to die between first stock guide 6 and oblique belt 4, be favorable to reducing oblique belt 4's wearing and tearing, improve oblique belt 4's life.
Utilize first motor 16 drive fixed disk 15 to drive rubber scraper 14 simultaneously and rotate, every rubber scraper 14 all with oblique belt 4 butt when being close to oblique belt 4 department, utilize rubber scraper 14 to be favorable to scraping down the aggregate of the adhesion on oblique belt 4 of water scouring, oblique belt 4 is through first stock guide 6 behind rubber scraper 14, utilizes first stock guide 6 to be favorable to scraping down remaining water and aggregate on oblique belt 4. The spray head 18 is used for spraying water to the first material guide plate 6 and the second material guide plate 7, and the water flow is convenient for driving the aggregates to slide into the filter screen barrel 13.
Referring to fig. 4 and 6, in order to increase the rate of the aggregates falling into the screen barrel 13, the support is fixedly connected with a wind pipe 19 and a blower 21, the wind outlet end of the blower 21 is communicated and fixed with the wind pipe 19, the wind pipe 19 is communicated and fixedly connected with a plurality of wind outlet pipes 20 along the axial direction thereof, the wind outlet pipes 20 are divided into two rows along the axial direction of the wind pipe 19, the two rows of wind outlet pipes 20 are respectively arranged towards the first material guide plate 6 and the second material guide plate 7, and the wind outlet pipes 20 blow towards the first material guide plate 6 and the second material guide plate 7 along the downward-inclined direction.
When the air blower 21 works, the air flow generated by the air blower 21 is distributed to each air outlet pipe 20 along the wind power pipe 19 and is discharged, the two rows of air outlet pipes 20 blow towards the first material guide plate 6 and the second material guide plate 7 along the obliquely downward direction respectively, and the movement of aggregate towards the filter screen barrel 13 is facilitated through the air flow from top to bottom, so that the speed of the aggregate falling into the filter screen barrel 13 is improved, and the aggregate is prevented from being accumulated on the first material guide plate 6 and the second material guide plate 7.
Referring to fig. 2 and 4, in order to facilitate the recycling of water, the bottom end of the sieve tub 13 is located at the middle of the receiving box 12, and the upper end of the sieve tub 13 is located inside the receiving box 12. The receiving box 12 is provided with and is used for driving filter screen bucket 13 pivoted drive assembly, and drive assembly includes second motor 22 and driving gear 23, the top fixedly connected with mounting bracket 25 of receiving box 12, and driving gear 23 rotates with mounting bracket 25 to be connected, and the axial of driving gear 23 sets up along vertical direction.
Referring to fig. 4, the mounting bracket 25 is fixedly connected with a mounting ring 24, the circumferential side of the upper end of the filter screen barrel 13 is fixedly connected with a fixing ring 26, an annular connecting groove is formed in the inner circumferential side of the mounting ring 24, four connecting blocks 27 are fixedly connected to the circumferential side of the fixing ring 26 at equal intervals, the fixing ring 26 is located in the inner circumferential side of the mounting ring 24, and the four connecting blocks 27 are located in the connecting groove and are matched with the connecting groove in a sliding manner along the circumferential direction of the fixing ring.
Referring to fig. 4, an annular driven gear 28 is coaxially and fixedly connected to an outer peripheral side of an upper end of the fixing ring 26, the driving gear 23 is engaged with the driven gear 28, the second motor 22 is fixedly connected to the bracket, and an output end of the second motor 22 is coaxially and fixedly connected to the driving gear 23.
Referring to fig. 4 and 5, the main pipe 17 is fixedly connected with a secondary pipe 29, a first valve 30 is arranged between the secondary pipe 29 and the main pipe 17, the lower end of the receiving tank 12 is communicated and fixedly connected with a first high-pressure pump 31, and the secondary pipe 29 is communicated and fixed with the water outlet end of the first high-pressure pump 31.
When the water flow drives the aggregate to slide into the filter screen barrel 13, the aggregate stays in the filter screen barrel 13, and the water flow flows into the receiving box 12 at the periphery and the bottom of the filter screen barrel 13. Through the rotation of second motor 22 drive driving gear 23, driving gear 23 drives filter screen bucket 13 through driven gear 28 and rotates, and filter screen bucket 13 rotates and is favorable to improving the speed that rivers flow in receiving box 12, and the upper end of filter screen bucket 13 is located receiving box 12, is favorable to preventing that rivers from being thrown away receiving box 12.
When filter screen bucket 13 rotated, four connecting blocks 27 all were located the connecting groove and slided along solid fixed ring 26's circumference, were favorable to solid fixed ring 26 to rotate with collar 24 through four connecting blocks 27 and are connected more firmly, prevented that filter screen bucket 13 from breaking away from mounting bracket 25.
When the receiving box 12 has enough water, the first valve 30 is opened and the first high-pressure pump 31 is started, so that the water in the receiving box 12 flows into the main pipeline 17 through the first high-pressure pump 31 and the auxiliary pipeline 29 and is sprayed out by the spray head 18, the effect of recycling the water received by the receiving box 12 is realized, the reasonable utilization of resources is facilitated, and the environment is protected more.
Referring to fig. 1 and 5, in order to facilitate the aggregate and water to be conveyed into the main mixer 5, the bottom end of the receiving tank 12 is fixed and communicated with a second high-pressure pump 32, the water outlet end of the second high-pressure pump 32 is communicated and fixed with a water outlet pipe 33, one end of the water outlet pipe 33 close to the second high-pressure pump 32 is fixedly connected with a second valve 34, and the water outlet of the water outlet pipe 33 is aligned with the upper end opening of the main mixer 5.
Referring to fig. 2 and 6, the bottom of filter screen bucket 13 is the infundibulate, the bottom mounting of filter screen bucket 13 and intercommunication have discharging pipe 35, discharging pipe 35 sets up along vertical direction, the one end that discharging pipe 35 is close to filter screen bucket 13 is provided with third valve 37, the bottom of receiving box 12 is worn to locate by discharging pipe 35, discharging pipe 35 is provided with the sealing washer between the diapire of receiving box 12, the lower extreme of discharging pipe 35 and the feed end intercommunication of screw conveyer 36, the upper end opening of main mixer 5 is aimed at to the discharge end of screw conveyer 36.
After the aggregate discharged by the batching machine 1 is transported by the inclined belt 4 and the aggregates on the first material guide plate 6 and the second material guide plate 7 all slide into the filter screen barrel 13, the third valve 37 is opened, the aggregates in the filter screen barrel 13 slide into the screw conveyer 36 along the discharge pipe 35, the effect of sending the aggregates into the main stirrer 5 is realized by the screw conveyer 36, and water is prevented from seeping out at the joint of the discharge pipe 35 and the receiving box 12 by the sealing ring. Then the second valve 34 is opened and the second high pressure pump 32 is started, and the water in the receiving tank 12 is conveyed into the main mixer 5 through the second high pressure pump 32 along the water discharge pipe 33, so that the aggregate and the water are conveniently conveyed into the main mixer 5.
Referring to fig. 2, in order to dry the inclined belt 4, the support is provided with a drying mechanism, the drying mechanism includes two second hot air blowers 38, and the second hot air blowers 38 are located below the inclined belt 4 and on a side of the first material guide plate 6 away from the spray head 18. After the inclined belt 4 passes through the first material guide plate 6, the inclined belt 4 sequentially passes through the two second hot air blowers 38, and the second hot air blowers 38 are utilized to facilitate accelerated drying of the inclined belt 4 and prevent aggregates from adhering to the inclined belt 4.
The implementation principle of the embodiment of the application is as follows:
when the aggregate is stirred in the proportioning machine 1, the first hot air blower 8 makes hot air enter the bottom end inside the proportioning machine 1 from the air inlet pipes 10, and the hot air flows from bottom to top in the proportioning machine 1 to take away moisture so as to dry the aggregate. Utilize scraping flitch 3 to make the aggregate of flat belt 2 adhesion all drop to oblique belt 4, when oblique belt 4 rotated through first stock guide 6, shower nozzle 18 sprayed water to the downside of oblique belt 4, and the aggregate that adheres on oblique belt 4 is scraped to rubber scraper 14 intermittent type to and utilize first stock guide 6 to scrape remaining water and aggregate on oblique belt 4 down, utilize second stock guide 7 to receive the aggregate that oblique belt 4 and main mixer 5 middle space department dropped.
Meanwhile, the spray head 18 sprays water to the first material guide plate 6 and the second material guide plate 7, and the air outlet pipe 20 blows air towards the first material guide plate 6 and the second material guide plate 7 respectively along the obliquely downward direction, so that the aggregate is pushed to slide into the filter screen barrel 13 by using water flow and air flow. Aggregate stays in filter screen barrel 13, and rivers flow into in receiving box 12 in the week side and the bottom of filter screen barrel 13, drive driven gear 28 through driving gear 23 and drive filter screen barrel 13 and rotate, improve the speed that the rivers flow into receiving box 12, utilize first high-pressure pump 31 with the water in the receiving box 12 along auxiliary pipe 29 input trunk line 17 in, then spout by shower nozzle 18, be favorable to the water that cyclic utilization receiving box 12 received.
When the screen barrel 13 receives sufficient aggregate, the third valve 37 is opened, so that the aggregate in the screen barrel 13 slides down along the discharge pipe 35 into the screw conveyor 36, and the screw conveyor 36 is used to achieve the effect of feeding the recovered aggregate into the main mixer 5. After the aggregate discharged from the batching machine 1 is transported by the inclined belt 4, the second valve 34 is opened, and the water in the receiving tank 12 is transported to the main mixer 5 along the drain pipe 33 by the second high-pressure pump 32.
Example two
The application discloses recycled concrete adopts the recycled concrete's in the embodiment one production technology to make, through retrieving the aggregate that adheres and drop on the oblique belt 4 for the aggregate ratio that gets into in the main mixer 5 is more accurate, is favorable to improving the production quality of concrete, and the water of make full use of recovery process, makes full use of resource, green more.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A production process of recycled concrete is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
aggregate treatment, wherein the aggregate comprises coarse aggregate and recycled aggregate, the aggregate is conveyed into a proportioning machine (1), and the aggregate is uniformly stirred and dried in the proportioning machine (1);
transporting aggregate, outputting the aggregate to a flat belt (2) by a batching machine (1), conveying the aggregate to an inclined belt (4) by the flat belt (2), conveying the aggregate to an opening at the top end of a main stirrer (5) by the inclined belt (4), and dropping the aggregate into the main stirrer (5) at the top end of the inclined belt (4);
aggregate is recycled, a scraping plate (3) is arranged below a flat belt (2), aggregate on the flat belt (2) falls onto an inclined belt (4) through the scraping plate (3), a support, a first material guide plate (6), a second material guide plate (7), a flushing mechanism and a recycling mechanism are arranged below the inclined belt (4), the flushing mechanism flushes the aggregate adhered to the inclined belt (4) onto the first material guide plate (6), the aggregate leaked between the inclined belt (4) and a main mixer (5) falls onto the second material guide plate (7), and the aggregate on the first material guide plate (6) and the aggregate on the second material guide plate (7) slide into the recycling mechanism;
the inclined belt (4) is dried by the drying mechanism after the inclined belt (4) is washed by the washing mechanism and the water and the adhered aggregate on the inclined belt (4) are scraped by the first material guide plate (6);
recycling the washing water, filtering part of water in the collected aggregate by using a recycling mechanism, and continuously washing the inclined belt (4), the first material guide plate (6) and the second material guide plate (7) by recycling the filtered water;
the recycled aggregate is recycled, and after the inclined belt (4) finishes the aggregate conveying work, the aggregate with water recycled by the recycling mechanism is sent into the main stirrer (5) by the spiral conveyor (36);
then, the washing water is conveyed into the main stirrer (5);
the aggregate is stirred in a main mixer (5) to form recycled concrete.
2. The recycled concrete production process of claim 1, wherein: a plurality of air intakes have been seted up in proportioning machine (1), the outside of proportioning machine (1) in air intake department fixedly connected with air-supply line (10), the inside of proportioning machine (1) in air intake department fixedly connected with prevents stifled net, the first air heater (8) of proportioning machine (1) fixedly connected with, first air heater (8) fixedly connected with main tuber pipe (9), it is a plurality of air-supply line (10) all with main tuber pipe (9) intercommunication and fixed.
3. The recycled concrete production process of claim 1, wherein: the first material guide plate (6) is fixedly connected with the support, the second material guide plate (7) is fixedly connected with the main stirrer (5), the first material guide plate (6) is abutted to the lower side of the inclined belt (4), and the second material guide plate (7) is located below the middle gap of the inclined belt (4) and the main stirrer (5).
4. The recycled concrete production process of claim 1, wherein: wash mechanism and include trunk line (17) and a plurality of shower nozzle (18), trunk line (17) with support fixed connection, trunk line (17) are connected with external high-pressure water source, and are a plurality of shower nozzle (18) all with trunk line (17) are fixed and communicate, and a plurality of shower nozzles (18) move towards respectively oblique belt (4) first stock guide (6) with second stock guide (7) set up.
5. The recycled concrete production process of claim 1, wherein: support fixed connection has tuber pipe (19), tuber pipe (19) intercommunication is provided with air-blower (21), tuber pipe (19) intercommunication and a plurality of play tuber pipe (20) of fixedly connected with, it is a plurality of go out tuber pipe (20) respectively towards first stock guide (6) with second stock guide (7) set up, just go out tuber pipe (20) and follow the direction orientation of downward sloping first stock guide (6) with second stock guide (7) are bloied.
6. The recycled concrete production process of claim 1, wherein: the support rotates and is connected with the scraper blade roller, the scraper blade roller includes a plurality of rubber scraper (14) and two fixed disks (15), two fixed disk (15) all with the support rotates and connects, every rubber scraper (14) all are fixed in two between fixed disk (15), the first motor of support fixedly connected with (16), the output and one of first motor (16) the coaxial fixed connection of fixed disk (15).
7. The recycled concrete production process of claim 1, wherein: retrieve mechanism includes receiver box (12) and filter screen bucket (13), receiver box (12) with support fixed connection, filter screen bucket (13) are located inside receiver box (12) and with receiver box (12) rotate to be connected, filter screen bucket (13) are located first stock guide (6) with the below of second stock guide (7), receiver box (12) are provided with and are used for the drive filter screen bucket (13) pivoted drive assembly.
8. The recycled concrete production process of claim 7, wherein: drive assembly includes second motor (22) and driving gear (23), receiver (12) fixedly connected with mounting bracket (25), driving gear (23) with mounting bracket (25) are rotated and are connected, the axial of driving gear (23) sets up along vertical direction, filter screen bucket (13) with mounting bracket (25) are rotated and are connected, the cyclic annular driven gear (28) of week side fixedly connected with of filter screen bucket (13), driving gear (23) with driven gear (28) meshing is connected, second motor (22) with support fixed connection, the output of second motor (22) with the coaxial fixed connection of driving gear (23).
9. The recycled concrete production process of claim 1, wherein: two baffle plates (11) are fixedly connected to two sides of the first material guide plate (6) and the second material guide plate (7), two adjacent baffle plates (11) are distributed in a splayed shape, and the distance between the two adjacent baffle plates (11) is gradually reduced along the downward direction.
10. A recycled concrete characterized by: produced by the process for the production of recycled concrete according to any one of claims 1 to 9.
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| CN202110066418.2A CN112850021A (en) | 2021-01-19 | 2021-01-19 | Recycled concrete and production process thereof |
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| CN202110066418.2A CN112850021A (en) | 2021-01-19 | 2021-01-19 | Recycled concrete and production process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117142055A (en) * | 2023-10-18 | 2023-12-01 | 南通天安特种混凝土制品有限公司 | Concrete cleaning and conveying device convenient to move and used for civil engineering |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4395233A (en) * | 1981-06-22 | 1983-07-26 | G. S. Blodgett Co., Inc. | Dual flow heating apparatus |
| KR101386060B1 (en) * | 2013-11-08 | 2014-04-22 | (주)제주산업서귀포 | Cold mix recycling ascon plant |
| CN204310403U (en) * | 2014-12-16 | 2015-05-06 | 淳安千圣实业有限公司 | A kind of conveyor belt surface of removing hardens the feedway of fine aggregate |
| CN205662033U (en) * | 2016-06-13 | 2016-10-26 | 青岛港国际股份有限公司前港分公司 | Belt -type conveyors cleaning device |
| CN207267291U (en) * | 2017-02-28 | 2018-04-24 | 徐州徐工施维英机械有限公司 | Aggregate automatic dust removing system and concrete mixing plant |
| CN207273564U (en) * | 2017-07-28 | 2018-04-27 | 平湖市开元混凝土有限公司 | A kind of trucd mixer cleans waste water circulation utilized device |
| CN207388008U (en) * | 2017-08-04 | 2018-05-22 | 云南建投绿色高性能混凝土股份有限公司 | The concrete production line of production efficiency can be improved |
| CN207698671U (en) * | 2018-01-10 | 2018-08-07 | 深圳市宝金华混凝土有限公司 | A kind of mixing plant aggregate conveyer |
| CN209127514U (en) * | 2018-10-31 | 2019-07-19 | 中交一航局安装工程有限公司 | A kind of return belt machine clearing apparatus |
| CN110206580A (en) * | 2019-07-07 | 2019-09-06 | 北京水木源泉科技有限公司 | A kind of underground coal slime automatic cleaning machine structure scheme |
-
2021
- 2021-01-19 CN CN202110066418.2A patent/CN112850021A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4395233A (en) * | 1981-06-22 | 1983-07-26 | G. S. Blodgett Co., Inc. | Dual flow heating apparatus |
| KR101386060B1 (en) * | 2013-11-08 | 2014-04-22 | (주)제주산업서귀포 | Cold mix recycling ascon plant |
| CN204310403U (en) * | 2014-12-16 | 2015-05-06 | 淳安千圣实业有限公司 | A kind of conveyor belt surface of removing hardens the feedway of fine aggregate |
| CN205662033U (en) * | 2016-06-13 | 2016-10-26 | 青岛港国际股份有限公司前港分公司 | Belt -type conveyors cleaning device |
| CN207267291U (en) * | 2017-02-28 | 2018-04-24 | 徐州徐工施维英机械有限公司 | Aggregate automatic dust removing system and concrete mixing plant |
| CN207273564U (en) * | 2017-07-28 | 2018-04-27 | 平湖市开元混凝土有限公司 | A kind of trucd mixer cleans waste water circulation utilized device |
| CN207388008U (en) * | 2017-08-04 | 2018-05-22 | 云南建投绿色高性能混凝土股份有限公司 | The concrete production line of production efficiency can be improved |
| CN207698671U (en) * | 2018-01-10 | 2018-08-07 | 深圳市宝金华混凝土有限公司 | A kind of mixing plant aggregate conveyer |
| CN209127514U (en) * | 2018-10-31 | 2019-07-19 | 中交一航局安装工程有限公司 | A kind of return belt machine clearing apparatus |
| CN110206580A (en) * | 2019-07-07 | 2019-09-06 | 北京水木源泉科技有限公司 | A kind of underground coal slime automatic cleaning machine structure scheme |
Non-Patent Citations (1)
| Title |
|---|
| 李东升等: "《混凝土冬季施工》", 31 October 2001, 中国水利水电出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117142055A (en) * | 2023-10-18 | 2023-12-01 | 南通天安特种混凝土制品有限公司 | Concrete cleaning and conveying device convenient to move and used for civil engineering |
| CN117142055B (en) * | 2023-10-18 | 2024-06-21 | 南通天安特种混凝土制品有限公司 | Concrete cleaning and conveying device convenient to move and used for civil engineering |
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