CN114377814A - Production equipment and processing technology of recycled concrete - Google Patents

Production equipment and processing technology of recycled concrete Download PDF

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Publication number
CN114377814A
CN114377814A CN202111651040.9A CN202111651040A CN114377814A CN 114377814 A CN114377814 A CN 114377814A CN 202111651040 A CN202111651040 A CN 202111651040A CN 114377814 A CN114377814 A CN 114377814A
Authority
CN
China
Prior art keywords
box
aggregate
recycled concrete
concrete
metal
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Pending
Application number
CN202111651040.9A
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Chinese (zh)
Inventor
朱明峰
朱纲
张桂珍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changshu Tianhe Concrete Co ltd
Original Assignee
Changshu Tianhe Concrete Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changshu Tianhe Concrete Co ltd filed Critical Changshu Tianhe Concrete Co ltd
Priority to CN202111651040.9A priority Critical patent/CN114377814A/en
Publication of CN114377814A publication Critical patent/CN114377814A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/22Feed or discharge means
    • B02C18/2216Discharge means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/003Methods for mixing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/003Methods for mixing
    • B28C5/006Methods for mixing involving mechanical aspects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/14Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
    • B28C5/142Mixing 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 the stirrer shaft carrying screw-blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/16Mixing 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling 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
    • B28C7/0007Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The invention discloses production equipment and a processing technology of recycled concrete, and relates to the technical field of concrete production. Through setting up breaker and screening plant, can guarantee the quality that gets into the concrete in the agitator tank to can guarantee the quality of the recycled concrete that processing formed.

Description

Production equipment and processing technology of recycled concrete
Technical Field
The invention relates to the technical field of concrete production, in particular to production equipment and a processing technology of recycled concrete.
Background
The recycled aggregate is obtained by crushing, cleaning and mutually matching waste concrete according to a certain proportion. The concrete prepared by using the recycled aggregate as part or all of the aggregate is called recycled aggregate concrete, and is called recycled concrete for short.
In the process of realizing the application, the inventor finds that the technology at least has the following problem that the quality of prepared recycled concrete is poor due to different sizes of the crushed concrete aggregate in the process of converting waste concrete into recycled concrete.
Disclosure of Invention
In order to solve the problem that the quality of the prepared recycled concrete is low, the application provides production equipment and a processing technology of the recycled concrete.
The application provides a production facility and processing technology of recycled concrete adopts following technical scheme:
in a first aspect, the present application provides a recycled concrete production facility, which adopts the following technical scheme:
the utility model provides a production facility of recycled concrete, includes the shell, be equipped with the feeder hopper on the shell, the feeder hopper below is equipped with and is used for carrying out broken breaker to bulky concrete aggregate, the breaker below is equipped with the conveying pipeline, be equipped with the screening plant who sieves concrete aggregate in the conveying pipeline, the screening plant below is equipped with the fine aggregate receiver.
Through adopting above-mentioned technical scheme, breaker can break into the massive concrete aggregate with bold concrete aggregate, and screening plant can sieve along with remaining bold concrete aggregate in the massive concrete aggregate, and after the screening, the quality of concrete aggregate can be improved through setting up breaker and screening plant in the massive concrete aggregate entering fine aggregate containing box to guarantee the quality of the recycled concrete that processing formed.
Preferably, be equipped with between screening plant and the breaker and remove the metal fillings device, it includes metal detection mechanism and separating mechanism to remove the metal fillings device, metal detection mechanism sets up in the conveying pipeline outside, separating mechanism sets up in metal detection mechanism below, separating mechanism includes the stripper plate of being connected with the conveying pipeline rotation, the conveying pipeline outside is equipped with first motor, the output shaft of first motor links to each other with the pivot of stripper plate, it is equipped with the metal fillings material collecting box to remove metal fillings device one side, one side that the conveying pipeline is close to the metal fillings material collecting box is equipped with first discharge gate.
By adopting the technical scheme, when the metal detection mechanism does not detect metal chips, the separating plate is kept in a vertical state, and the concrete aggregate falls along the conveying pipeline; when metal detection mechanism detected the metal fillings, metal detection device was with signal transmission to controlling means, controlling means control first motor drives the separator plate and rotates, the separator plate is plugged up conveying pipeline, make the metal fillings get into the metal fillings collecting box along the separator plate, the realization is to the separation of concrete aggregate and metal fillings, remove the metal fillings that the metal fillings device can get rid of in the concrete aggregate, help improving the quality of concrete aggregate, through first motor control separator plate, help improving separation efficiency, need not manual operation.
Preferably, the bottom of the metal chip collecting box is provided with a metal chip conveying pipe, the metal chip conveying pipe is provided with a first solid vacuum pump, one end of the metal chip conveying pipe is connected with the metal chip collecting box, and the other end of the metal chip conveying pipe is connected with the feeding hopper.
Through adopting above-mentioned technical scheme, separator is when separating metal fillings and concrete aggregate, and partial concrete aggregate can get into the metal fillings collecting box along with the metal fillings together, causes the waste of regeneration concrete aggregate easily after a lot of separations. Through set up metal fillings conveyer pipe and first solid vacuum pump bottom the metal fillings collecting box, can carry metal fillings and concrete aggregate in the metal fillings collecting box to the feeder hopper in, separate once more the metal fillings, help reducing the volume of the concrete aggregate of adulteration in the metal fillings that separate out, improve the utilization ratio of concrete aggregate, avoid causing the wasting of resources as far as possible.
Preferably, it is equipped with the sieve flitch to remove metal fillings device below, the sieve flitch sets up in the conveying pipeline, be equipped with a plurality of through-holes on the sieve flitch, the sieve flitch is the slope setting, sieve flitch bottom is fixed with vibrating motor, sieve flitch one side is equipped with the second discharge gate, second discharge gate below is equipped with the coarse aggregate receiver, coarse aggregate receiver bottom is equipped with the coarse aggregate conveyer pipe, be equipped with second solid vacuum pump on the coarse aggregate conveyer pipe, coarse aggregate conveyer pipe one end links to each other with the coarse aggregate receiver, and the other end links to each other with the feeder hopper.
By adopting the technical scheme, after large concrete aggregates are crushed by the crushing device, partial large concrete aggregates still exist in the crushed small concrete aggregates, the screening plate is arranged, the screening plate is provided with a plurality of through holes, the concrete aggregates with the particle size smaller than the through holes can be discharged from the through holes under the vibration action of the vibration motor, and the concrete aggregates with the particle size larger than the through holes fall into the coarse aggregate containing box on one side of the conveying pipeline along the inclined direction of the screening plate; through set up coarse aggregate conveyer pipe and second solid vacuum pump bottom coarse aggregate receiver, can carry coarse aggregate to the feeder hopper in, carry out breakage once more to coarse aggregate, help reaching better crushing effect.
Preferably, fine aggregate receiver below is equipped with agitating unit, agitating unit includes agitator tank, first stirring roller and second stirring roller, the agitator tank bottom is equipped with the discharging pipe, be equipped with the bleeder valve on the discharging pipe, the bleeder valve bottom is equipped with recycled concrete containing box, be equipped with second motor and third motor on the agitator tank, the output shaft of second motor links to each other with first stirring roller, the output shaft of third motor links to each other with second stirring roller.
Through adopting above-mentioned technical scheme, when the bleeder valve is in the closed condition, rotate through the first stirring roller of second motor drive, third motor drive second stirring roller rotates, and water, cement and concrete aggregate can realize mixing in the agitator tank, open the bleeder valve after the mixture is accomplished, and the recycled concrete after the mixture is discharged from the discharging pipe.
Preferably, the fine aggregate storage box is provided with a water storage box and a cement box on two sides, the water storage box is connected with the stirring box through a water conveying pipe, a water valve is arranged on the water conveying pipe, the cement box is connected with the stirring box through a cement pipe, the cement pipe is provided with a first control valve, a feeding pipe is arranged between the fine aggregate storage box and the stirring box, and a second control valve is arranged on the feeding pipe.
Through adopting above-mentioned technical scheme, through set up first control valve on the cement pipe, can control the cement volume that gets into the agitator tank, through set up the water valve on the raceway, can control the water yield that gets into in the agitator tank, through set up the second control valve on the conveying pipe, can control the volume that gets into the concrete aggregate in the agitator tank to can control the proportion that gets into water, cement and concrete aggregate in the agitator tank, in order to reach better mixed effect.
Preferably, the crushing device comprises a crushing roller and crushing teeth, the crushing roller is rotatably connected with the feed hopper, the crushing teeth are fixed on the inner wall of the feed hopper, and the crushing roller is provided with a sieve bar.
Through adopting above-mentioned technical scheme, through setting up the crushing roller, massive concrete aggregate suffers from the impact of the crushing roller of high-speed gyration when locating through the crushing roller position to breakage under the reaction force of broken tooth, broken concrete aggregate strikes each other, suffers a lot of breakage, is less than the material in grating clearance, discharges in following the clearance, helps playing better crushing effect to massive concrete aggregate.
Preferably, the bottom of the stirring box is provided with a recycled concrete containing box, a third stirring roller is arranged in the recycled concrete containing box, one side of the recycled concrete containing box is provided with a fourth motor, and an output shaft of the fourth motor is connected with the third stirring roller.
Through adopting above-mentioned technical scheme, through set up the third stirring roller in recycled concrete containing box, the third stirring roller can stir the recycled concrete in the recycled concrete containing box under the drive of fourth motor, can avoid storing the recycled concrete solidification in the recycled concrete containing box as far as possible, influence the use.
Preferably, pressure sensors are arranged at the bottoms of the fine aggregate storage box, the water storage box and the cement box.
Through adopting above-mentioned technical scheme, pressure sensor can be with pressure change output for digital signal, and the operating personnel of being convenient for knows the volume of water storage box, cement box and fine aggregate containing box interior material to in time supply the box interior material.
In a second aspect, the present application provides a recycled concrete processing method, which adopts the following technical scheme:
a processing technology of recycled concrete adopts the production equipment of the recycled concrete for processing, and comprises the following steps:
s1: pretreatment: the crushing device is used for crushing large concrete aggregates;
s2: removing metal, namely enabling the crushed concrete aggregate to pass through a metal chip removing device, and separating metal chips from the concrete aggregate;
s3: screening materials: the concrete aggregate from which the metal chips are separated is divided into coarse aggregate and fine aggregate under the action of a screening device;
s4: proportioning: controlling the amount of water, cement and concrete aggregate entering the stirring box to stir and mix the water, the cement and the concrete aggregate in the stirring box;
s5: discharging: and opening the discharge valve, and enabling the mixed recycled concrete to enter a recycled concrete containing box.
Through adopting above-mentioned technical scheme, through processing recycled concrete on recycled concrete's production facility, optimize recycled concrete's process flow, practice thrift manpower resources, all set up in recycled concrete production facility with flows such as breakage, except that metal, sieve material and ratio simultaneously, can reduce the dust that recycled concrete production process produced, reach cleaner production's effect.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the crushing device, the metal chip removing device and the screening device, the quality of concrete entering the stirring box can be ensured, so that the quality of processed recycled concrete can be ensured;
the pressure sensors are arranged at the bottoms of the water storage tank, the fine aggregate storage tank and the cement tank, and can output pressure changes into digital signals, so that operators can know the amount of materials in the water storage tank, the cement tank and the fine aggregate storage tank conveniently, and the materials in the tank body can be supplemented in time;
by controlling the water valve, the first control valve and the second control valve, the amount of water, cement and concrete aggregate entering the stirring box can be controlled and adjusted, the control of the proportion of the recycled concrete during preparation is facilitated, and the quality of the processed recycled concrete is improved;
through with breaker, remove metal fillings device, screening plant and agitating unit all set up in the shell, can avoid the dust that produces in the recycled concrete course of working to cause the pollution to the environment as far as possible.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic view of the internal structure of the embodiment of the present application.
FIG. 3 is a schematic structural diagram of a metal chip removing device in an embodiment of the present application.
Fig. 4 is a sectional view of the internal structure of the embodiment of the present application.
Fig. 5 is an enlarged view at a in fig. 3.
FIG. 6 is a schematic structural diagram of a stirring device in an embodiment of the present application.
Description of reference numerals:
1. a housing; 2. A feed hopper; 21. a delivery pipe; 3. a crushing device; 31. a crushing roller; 32. screen bars; 33. crushing teeth; 4. a metal chip removing device; 41. a detection mechanism; 42. a separating mechanism; 421. a separation plate; 422. a first motor; 43. a scrap collecting box; 44. a first discharge port; 45. a metal scrap conveying pipe; 451. a first solid vacuum pump; 5. a screening device; 51. a material sieving plate; 511. a through hole; 52. a second discharge port; 53. a coarse aggregate storage box; 54. a coarse aggregate conveying pipe; 541. a second solid vacuum pump; 6. a stirring device; 61. a stirring box; 62. a discharge pipe; 63. a discharge valve; 64. a first stirring roller; 65. a second motor; 66. a second stirring roller; 67. a third motor; 71. a water storage tank; 72. a water delivery pipe; 73. a water valve; 74. a cement box; 75. a cement pipe; 76. a first control valve; 77. a fine aggregate storage box; 78. a feed pipe; 79. a second control valve; 8. a recycled concrete storage box; 81. a third stirring roller; 82. a fourth motor;
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses recycled concrete's production facility adopts following technical scheme:
referring to fig. 1, a recycled concrete's production facility includes shell 1, and shell 1 top is equipped with feeder hopper 2, and shell 1 bottom is equipped with recycled concrete containing box 8.
Referring to fig. 2, a crushing device 3 is arranged in the feed hopper 2, a metal chip removing device 4 is arranged below the crushing device 3, and a screening device 5 and a stirring device 6 are arranged below the metal chip removing device 4. The crushing device 3 comprises a crushing roller 31, a sieve bar 32 is arranged on the crushing roller 31, and crushing teeth 33 are arranged on the inner wall of the feed hopper 2. When the large concrete aggregate passes through the position of the crushing roller 31, the large concrete aggregate is impacted by the crushing roller 31 rotating at a high speed and is crushed under the reaction force of the crushing teeth 33, the crushed concrete aggregate is impacted mutually and is crushed for a plurality of times, and the material smaller than the gap of the screen bars 32 is discharged from the gap.
Referring to fig. 3, a feed pipe 21 is provided between the scrap metal removing device 4 and the crushing device 3, the scrap metal removing device 4 includes a detecting mechanism 41 provided outside the feed pipe 21, and the detecting mechanism 41 is specifically a metal detector. Referring to fig. 4, a separation plate 421 and a first motor 422 rotatably connected to the feeding pipe 21 are disposed inside the feeding pipe 21, and an output shaft of the first motor 422 is connected to a rotation shaft of the separation plate 421. The scrap collecting box 43 is arranged on one side of the scrap removing device 4, the first discharge hole 44 is arranged on the conveying pipe 21, and the first discharge hole 44 is positioned on the side wall of the conveying pipe 21 close to one side of the scrap collecting box 43. The bottom of the metal chip collecting box 43 is provided with a metal chip conveying pipe 45, the metal chip conveying pipe 45 is connected with the feed hopper 2, and the metal chip conveying pipe 45 is provided with a first solid vacuum pump 451. The crushed concrete aggregate passes through the metal chip removing device 4, and when the detection mechanism 41 does not detect metal chips, the separation plate 421 maintains a vertical state, and the concrete aggregate falls in the feed delivery pipe 21. When the detecting mechanism 41 detects metal scraps, the control device controls the first motor 422 to drive the separating plate 421 to rotate, the separating plate 421 blocks the feeding pipe 21, and the metal scraps enter the metal scrap collecting box 43. The metal chips and part of the concrete aggregate entering the metal chip receiving box 43 can enter the feed hopper 2 again through the metal chip conveying pipe 45 under the action of the first solid vacuum pump 451 to remove the metal chips for the second time.
Referring to fig. 4 and 5, the screening device 5 includes a screening plate 51 disposed below the metal filing removing device 4, the screening plate 51 is disposed in an inclined manner, and a plurality of through holes 511 are formed in the screening plate 51. A coarse aggregate storage box 53 is arranged on one side of the sieve plate 51, and a fine aggregate storage box 77 is arranged below the sieve plate 51. A second discharge hole 52 is formed in one side, close to the coarse aggregate storage box 53, of the conveying pipe 21, a coarse aggregate conveying pipe 54 is arranged at the bottom of the coarse aggregate storage box 53, one end of the coarse aggregate conveying pipe 54 is connected with the feed hopper 2, and a second solid vacuum pump 541 is arranged on the coarse aggregate conveying pipe 54. Under the action of the sieve plate 51, the concrete aggregate with the particle size smaller than the through hole 511 enters the fine aggregate storage box 77, and the concrete aggregate with the particle size larger than the through hole 511 enters the coarse aggregate storage box 53. The coarse aggregate that has entered the coarse aggregate storage box 53 is subjected to secondary crushing by the second solid vacuum pump 541 via the conveyance pipe 54 and again entered the hopper 2.
Referring to fig. 6, the stirring device 6 includes a stirring tank 61, and a first stirring roller 64 and a second stirring roller 66 provided in the stirring tank 61, the first stirring roller 64 being driven by a second motor 65, and the second stirring roller 66 being driven by a third motor 67. The bottom of the stirring box 61 is provided with a discharge pipe 62, and the discharge pipe 62 is provided with a discharge valve 63. The bottom wall of the shell 1 is provided with a water storage tank 71 and a cement tank 74. A feeding pipe 78 is arranged between the fine aggregate storage box 77 and the stirring device 6, the water storage box 71 is connected with the stirring device 6 through a water conveying pipe 72, and the cement box 74 is connected with the stirring device 6 through a cement pipe 75. The cement pipe 75 is provided with a first control valve 76, the feeding pipe 78 is provided with a second control valve 79, and the water pipe 72 is provided with a water valve 73. Be equipped with third stirring roller 81 in the recycled concrete containing box 8, be equipped with fourth motor 82 on the recycled concrete containing box 8 outer wall, third stirring roller 81 is driven through fourth motor 82, and the recycled concrete that forms through the stirring mixture is stored in recycled concrete containing box 8, and third stirring roller 81 stirs the concrete in recycled concrete containing box 8, can avoid as far as possible to store the recycled concrete solidification of recycled concrete containing box 8, influences the use.
The embodiment of the application also discloses a processing technology of the recycled concrete.
A processing technology of recycled concrete adopts the production equipment of the recycled concrete for processing, and comprises the following steps:
s1: pretreatment: the large concrete aggregate is placed into the feed hopper 2 to be crushed, and under the action of the crushing roller 31 and the crushing teeth 33, the large concrete aggregate is crushed;
s2: removing metals, namely separating metal chips from concrete aggregate by the crushed concrete aggregate passing through a metal chip removing device 4 under the action of a detection mechanism 41 and a separation mechanism 42, feeding the metal chips into a metal chip receiving box 43, and feeding the concrete aggregate into the next process;
s3: screening materials: under the action of the sieve plate 51, coarse aggregates enter the coarse aggregate storage box 53 along the inclined direction of the sieve plate 51, and fine aggregates enter the fine aggregate storage box 77 through the through holes 511 on the sieve plate 51.
S4: proportioning: the amount of water, cement and concrete aggregate entering the mixing box 61 is adjusted by controlling the degree to which the water valve 73, the first control valve 76 and the second control valve 79 are opened. After the water, the cement and the concrete aggregate enter the stirring box 61, the second motor 65 drives the first stirring roller 64, the third motor 67 drives the second stirring roller 66 to stir the materials in the stirring box 61, and the water, the cement and the concrete aggregate are mixed in the stirring box 61.
S5, discharging: open bleeder valve 63, in the recycled concrete after the stirring mixture got into recycled concrete containing box 8, fourth motor 82 driven third stirring roller 81 stirs recycled concrete, avoided recycled concrete to solidify in recycled concrete containing box 8 as far as possible.
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. The utility model provides a production facility of recycled concrete, includes shell (1), be equipped with feeder hopper (2) on shell (1), its characterized in that: feeder hopper (2) below is equipped with and is used for carrying out broken breaker (3) to the bulk concrete aggregate, breaker (3) below is equipped with conveying pipeline (21), be equipped with screening plant (5) that carry out the screening to the concrete aggregate in conveying pipeline (21), screening plant (5) below is equipped with fine aggregate receiver (77).
2. A recycled concrete production facility as claimed in claim 1, wherein: be equipped with between screening plant (5) and breaker (3) and remove metal fillings device (4), it includes metal detection mechanism (41) and separating mechanism (42) to remove metal fillings device (4), metal detection mechanism (41) set up in conveying pipeline (21) outside, separating mechanism (42) set up in metal detection mechanism (41) below, separating mechanism (42) include baffle (421) of being connected with conveying pipeline (21) rotation, the conveying pipeline (21) outside is equipped with first motor (422), the output shaft of first motor (422) links to each other with the pivot of baffle (421), it is equipped with metal fillings collection box (43) to remove metal fillings device (4) one side, one side that conveying pipeline (21) way is close to metal fillings collection box (43) is equipped with first discharge gate (44).
3. A recycled concrete production plant as claimed in claim 2, characterized in that: the metal chip collecting box is characterized in that a metal chip conveying pipe (45) is arranged at the bottom of the metal chip collecting box (43), a first solid vacuum pump (451) is arranged on the metal chip conveying pipe (45), one end of the metal chip conveying pipe (45) is connected with the metal chip collecting box (43), and the other end of the metal chip conveying pipe is connected with the feeding hopper (2).
4. A recycled concrete production plant as claimed in claim 2, characterized in that: remove metal fillings device (4) below and be equipped with sieve flitch (51), sieve flitch (51) set up in conveying pipeline (21), be equipped with a plurality of through-holes (511) on sieve flitch (51), sieve flitch (51) are the slope setting, sieve flitch (51) bottom is fixed with vibrating motor, sieve flitch (51) one side is equipped with second discharge gate (52), second discharge gate (52) below is equipped with coarse aggregate receiver (53), coarse aggregate receiver (53) bottom is equipped with coarse aggregate conveyer pipe (54), be equipped with second solid vacuum pump (541) on coarse aggregate conveyer pipe (54), coarse aggregate conveyer pipe (54) one end links to each other with coarse aggregate receiver (53), and the other end links to each other with feeder hopper (2).
5. A recycled concrete production facility as claimed in claim 1, wherein: fine aggregate receiver (77) below is equipped with agitating unit (6), agitating unit (6) include agitator tank (61), first stirring roller (64) and second stirring roller (66), agitator tank (61) bottom is equipped with discharging pipe (62), be equipped with bleeder valve (63) on discharging pipe (62), bleeder valve (63) bottom is equipped with recycled concrete containing box (8), be equipped with second motor (65) and third motor (67) on agitator tank (61), the output shaft of second motor (65) links to each other with first stirring roller (64), the output shaft of third motor (67) links to each other with second stirring roller (66).
6. A recycled concrete production facility as claimed in claim 1, wherein: the fine aggregate storage box is characterized in that a water storage box (71) and a cement box (74) are arranged on two sides of the fine aggregate storage box (77), the water storage box (71) is connected with the stirring box (61) through a water conveying pipe (72), a water valve (73) is arranged on the water conveying pipe (72), the cement box (74) is connected with the stirring box (61) through a cement pipe (75), a first control valve (76) is arranged on the cement pipe (75), a feeding pipe (78) is arranged between the fine aggregate storage box (77) and the stirring box (61), and a second control valve (79) is arranged on the feeding pipe (78).
7. A recycled concrete production facility as claimed in claim 1, wherein: breaker (3) include crushing roller (31) and broken tooth (33), crushing roller (31) rotate with feeder hopper (2) and are connected, broken tooth (33) are fixed on feeder hopper (2) inner wall, be equipped with grating (32) on crushing roller (31).
8. A recycled concrete production plant as claimed in claim 5, wherein: agitator tank (61) bottom is equipped with recycled concrete containing box (8), be equipped with third stirring roller (81) in recycled concrete containing box (8), recycled concrete containing box (8) one side is equipped with fourth motor (82), the output shaft of fourth motor (82) links to each other with third stirring roller (81).
9. A recycled concrete production plant as claimed in claim 5, wherein: and pressure sensors are arranged at the bottoms of the fine aggregate storage box (77), the water storage tank (71) and the cement tank (74).
10. A recycled concrete processing process applicable to a recycled concrete production facility according to claims 1 to 9, characterized by comprising the steps of:
s1: pretreatment: the crushing device (3) is used for crushing large concrete aggregates;
s2: removing metals, namely passing the crushed concrete aggregate through a metal scrap removing device (4), and separating metal scraps from the concrete aggregate;
s3: screening materials: the concrete aggregate from which the metal chips are separated is divided into coarse aggregate and fine aggregate under the action of a screening device (5);
s4: proportioning: controlling the amount of water, cement and concrete aggregate entering the stirring box (61) to stir and mix the water, cement and concrete aggregate in the stirring box (61);
s5: discharging: and opening the discharge valve (63), and enabling the mixed recycled concrete to enter a recycled concrete containing box (8).
CN202111651040.9A 2021-12-30 2021-12-30 Production equipment and processing technology of recycled concrete Pending CN114377814A (en)

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Application publication date: 20220422