CN215549787U - Waste fiber recycled concrete mixing device - Google Patents

Waste fiber recycled concrete mixing device Download PDF

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Publication number
CN215549787U
CN215549787U CN202122247427.XU CN202122247427U CN215549787U CN 215549787 U CN215549787 U CN 215549787U CN 202122247427 U CN202122247427 U CN 202122247427U CN 215549787 U CN215549787 U CN 215549787U
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CN
China
Prior art keywords
recycled concrete
feeding box
box
mixing
stirring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202122247427.XU
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Chinese (zh)
Inventor
李晓虎
栗蕾
温翔科
周志阳
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.)
Zhengzhou University of Aeronautics
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Zhengzhou University of Aeronautics
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Priority to CN202122247427.XU priority Critical patent/CN215549787U/en
Application granted granted Critical
Publication of CN215549787U publication Critical patent/CN215549787U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of civil engineering equipment, in particular to a waste fiber recycled concrete mixing device which comprises a pretreatment device and a mixing box, wherein the pretreatment device comprises a first feeding box and a second feeding box, a defibering roller is arranged in the first feeding box side by side, a plurality of defibering sheets are arranged on the side wall of the defibering roller, a water injection pipe is also connected with the side wall of the first feeding box and the lower end of the defibering roller in a through mode, a first stirring piece is arranged below the water injection pipe, a second stirring piece is arranged in the second feeding box, a third stirring piece is arranged in the mixing box, feeding hoppers are arranged on the first feeding box and the second feeding box, and a discharging pipe is arranged on the bottom wall of the mixing box; the utility model can realize the full mixing of the waste fiber and the recycled concrete and reduce the structural defects caused by uneven distribution of the waste fiber, thereby preparing the high-performance waste fiber recycled concrete building material.

Description

Waste fiber recycled concrete mixing device
Technical Field
The utility model relates to the technical field of civil engineering equipment, in particular to a waste fiber recycled concrete mixing device.
Background
The waste concrete is crushed and rolled and then is proportioned according to a certain proportion, so that the recycled concrete can be produced and processed, the use area of a refuse landfill can be reduced, and the use of natural resources can be reduced. However, the recycled concrete has certain internal defects, the strength and the durability of the recycled concrete are weaker than those of common concrete, and the recycled concrete is prepared by adding waste fibers and mixing the waste fibers with the recycled concrete at present, so that the performances of the recycled concrete such as the compressive strength, the shear strength and the like are improved, and a good application effect is obtained.
In the prior art, in the process of mixing waste fibers and recycled concrete, the fibers have the characteristic of light weight, and are always floated on the surface of mixed liquid, and the fibers have large length-diameter ratio, are easy to wind and not easy to disperse, so that the fibers and the recycled concrete are not mixed uniformly, the effect of the fibers and the recycled concrete in the recycled concrete is influenced, and the mechanical strength of the building material cast and formed is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problems, it is an object of the present invention to provide a waste fiber recycled concrete mixing apparatus for preparing a high-performance waste fiber recycled concrete building material, which can achieve the purpose of sufficiently mixing waste fibers with recycled concrete by providing a pre-treatment apparatus for pre-dispersing waste fibers and a mixing box for pre-mixing waste fibers and recycled concrete, and reduce structural defects caused by uneven distribution of waste fibers.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a waste fiber recycled concrete mixing device comprises a pretreatment device and a mixing box, wherein the pretreatment device is communicated and fixedly connected with the mixing box;
the pretreatment device comprises a first feeding box and a second feeding box, and the second feeding box is fixedly connected between the first feeding box and the mixing box in a penetrating manner;
a fluffing roller is arranged in the first feeding box side by side, and a plurality of fluffing pieces are arranged on the side wall of the fluffing roller;
one end of each defibering roller penetrates through the side wall of the first feeding box and is connected with a first driving piece arranged on the outer wall of the first feeding box;
a water injection pipe is also connected with the side wall of the first feeding box and the lower end of the fluffing roller in a penetrating way;
a first stirring piece is arranged in the first feeding box and below the water injection pipe;
a second stirring piece is arranged in the second feeding box;
a third stirring piece is arranged in the mixing box;
first feeding case with all be provided with into the hopper on the second feeding case, the diapire of mixing box is provided with row's material pipe.
Preferably, the first stirring member includes:
first puddler and first motor, first motor set up in on the first feeding incasement wall, the output shaft of first motor with first puddler rigid coupling, be provided with a plurality of stirring rakes on the first puddler.
Preferably, the second stirring member has the same structure as the first stirring member.
Preferably, the first driving part comprises a driving wheel, a driven wheel and a second motor, two ends of any untwining roller are fixedly connected with the second motor and the driving wheel respectively, the other untwining roller is fixedly connected with the driven wheel, and the driving wheel and the driven wheel are connected in a rotating mode through a transmission belt.
Preferably, the third stirring piece includes second driving piece and two second puddlers, the one end of second puddler all runs through the mixing box lateral wall to common with set up in the second driving piece on the mixing box outer wall is connected.
Preferably, the second driving member is identical in structure to the first driving member.
Preferably, a plurality of hemispheroids are arranged on the second stirring rod, and a plurality of stirring columns are further arranged on the hemispheroids and the second stirring rod.
Preferably, a screen is further arranged in the discharge pipe.
Preferably, the upper end of the fluffing roller is positioned, and the side wall of the first feeding box is also provided with a plurality of fluffing rods.
Compared with the prior art, the utility model has the beneficial effects that:
1. the waste fiber recycled concrete mixing device is provided with the pretreatment device, the pretreatment device comprises a first feeding box and a second feeding box, and due to the characteristics that waste fibers are difficult to disperse and are not easy to be fully mixed with recycled concrete, the waste fibers are dispersed and form waste fiber suspension through a defibering roller, a defibering rod and a first stirring piece which are arranged in the first feeding box, and the waste fibers and the waste fiber suspension are quickly premixed through a second stirring piece in the second feeding box, and the waste fibers are mixed with the recycled concrete in a dispersed state under the action of flowing suspension, so that the premixing effect is achieved.
2. The waste fiber recycled concrete mixing device is also provided with the mixing box, the mixing box is internally provided with the third stirring part, the third stirring part comprises the second stirring rod and the second driving part, the second stirring rod is provided with a plurality of hemispheroids, the hemispheroids and the second stirring rod are also provided with a plurality of stirring columns, and the arrangement of the hemispheroids can increase the surface area of the stirring rods, so that the number of the stirring columns is increased, the mixture of the recycled concrete and the waste fiber can be fully stirred, the uniform mixing of the recycled concrete and the waste fiber is realized, and the high-performance building material is prepared.
Drawings
FIG. 1 is a cross-sectional view showing an internal structure of a waste fiber recycled concrete mixing apparatus according to the present invention;
FIG. 2 is a front view of a fluffing roller of a waste fiber recycled concrete mixing apparatus according to the present invention;
fig. 3 is a front view of a first driving member of a waste fiber recycled concrete mixing apparatus according to the present invention.
The device comprises a pretreatment device 1, a pretreatment device 2, a mixing box 3, a first feeding box 4, a water injection pipe 5, a second feeding box 6, a defibering rod 7, a defibering roller 8, a first stirring rod 9, a defibering sheet 10, a discharge pipe 11, a second stirring part 12, a second stirring rod 13, a hemisphere 14, a transmission belt 15, a second driving part 16, a screen, 17, a stirring column 18, a feeding hopper 19, a first motor 20, a stirring paddle 21, a second motor 22, a driving wheel 23 and a driven wheel.
Detailed Description
The following detailed description of specific embodiments of the utility model is provided, but it should be understood that the scope of the utility model is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. The experimental methods described in the examples of the present invention are all conventional methods unless otherwise specified.
A waste fiber and recycled concrete mixing device comprises a pretreatment device 1 and a mixing box 2, wherein the pretreatment device 1 is communicated and fixedly connected with the mixing box 2, the pretreatment device 1 realizes premixing of waste fibers and recycled concrete, and the mixing box 2 realizes full mixing of the waste fibers and the recycled concrete;
the pretreatment device 1 comprises a first feeding box 3 and a second feeding box 5, wherein the second feeding box 5 is fixedly connected between the first feeding box 3 and the mixing box 2 in a penetrating manner, two defibering rollers 7 are arranged in the first feeding box 3 side by side, a plurality of defibering sheets 9 are arranged on the side walls of the defibering rollers 7, and one ends of the defibering rollers 7 penetrate through the side walls of the first feeding box 3 and are connected with a first driving piece arranged on the outer wall of the first feeding box 3; the fluffing piece 9 is of a blade type, and the fluffing roller 7 rotates under the action of the first driving piece; the defibering rollers are positioned at the upper ends of the defibering rollers 7, a plurality of defibering rods 6 are further arranged on the side wall of the first feeding box 3, waste fibers are fed through a feeding hopper 18 in the first feeding box 3, are pre-dispersed through the defibering rods 6 arranged on the side wall of the first feeding box 3, pass through the defibering rollers 7, and are fully dispersed and defibered through the defibering sheets 9 on the side wall of the defibering rollers, and meanwhile, for long fibers or agglomerated fibers which are not easy to disperse, the defibering sheets 9 can be cut when rotating, so that the dispersing effect is achieved;
the water injection pipe 4 is positioned on the side wall of the first feeding box 3 and at the lower end of the defibering roller 7 and is also in through connection with the first feeding box 3, a first stirring piece is arranged in the first feeding box 3 and below the water injection pipe 4, when dispersed waste fibers are transferred to the lower end of the first feeding box 3 through the defibering roller 7, the water injection pipe 4 injects water and stirs the dispersed waste fibers at a high speed under the action of the first stirring piece, and the waste fibers and the water are fully mixed to form waste fiber suspension; a second stirring piece 11 is arranged in the second feeding box 5, the recycled concrete is fed from a feeding hopper 18 of the second feeding box 5, and when the waste fiber suspension enters the second feeding box, the recycled concrete and the waste fiber suspension are premixed under the action of the second stirring piece to obtain a premixed waste fiber recycled concrete raw material;
a third stirring part is arranged in the mixing box 2 and comprises a second stirring rod 12 and a second driving part 15, a plurality of hemispheroids 13 are arranged on the second stirring rod 12, a plurality of stirring columns 17 are also arranged on the hemispheroids 13 and the second stirring rod 12, when the premixed waste fiber recycled concrete raw materials enter the mixing box 2, the second stirring rod 12 rotates under the action of the second driving part 15, and the premixed waste fiber recycled concrete raw materials are further fully mixed through the hemispheroids 13 and the stirring columns 17 on the side wall of the second stirring rod 12; a screen 16 is also arranged in the discharge pipe 10 at the lower end of the mixing box 2, and is used for filtering the large waste fiber recycled concrete mixture which is not fully mixed, and stirring the mixture again to disperse and mix the mixture, so that the high quality of the final waste fiber recycled concrete is ensured;
the first stirring piece comprises a first stirring rod 8 and a first motor 19, the first motor 19 is arranged on the inner wall of the first feeding box 3, an output shaft of the first motor 19 is fixedly connected with the first stirring rod 8, a plurality of stirring paddles 20 are arranged on the first stirring rod 8, and the second stirring piece 11 has the same structure as the first stirring piece;
the first driving part comprises a driving wheel 22, a driven wheel 23 and a second motor 21, two ends of any defibering roller 7 are fixedly connected with the second motor 21 and the driving wheel 22 respectively, the other defibering roller 7 is fixedly connected with the driven wheel 23, the driving wheel 22 and the driven wheel 23 are connected in a rotating mode through a transmission belt 14, and when the driving wheel 22 is driven to rotate by the second motor 21, the driven wheel 23 rotates synchronously under the action of the transmission belt 14, so that other defibering rollers 7 are driven to rotate; the third stirring piece includes a plurality of second puddlers 12 and second driving piece 15, and the one end of second puddler 12 all runs through 2 lateral walls of mixing box to be connected with the second driving piece 15 that sets up on 2 outer walls of mixing box jointly, second driving piece 15 is the same with first driving piece structure.
The use principle is as follows:
when the waste fiber recycling device is used, waste fibers are fed through the feeding hopper 18 of the first feeding box 3, the waste fibers are dispersed through the defibering rod 6 and the defibering roller 7, water and the waste fibers are fully mixed through the first stirring piece to form waste fiber suspension, recycled concrete is fed through the feeding hopper 18 of the second feeding box 5, the recycled concrete and the waste fiber suspension are premixed under the action of the second stirring piece 11, the waste fibers and the recycled concrete are fully mixed through the third stirring piece in the mixing box 2, and finally the waste fibers and the recycled concrete are discharged through the discharging pipe 10 to obtain the waste fiber recycled concrete which is uniformly mixed.
It will be apparent to those skilled in the art that various changes and modifications may be made in the utility model without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. The waste fiber recycled concrete mixing device is characterized by comprising a pretreatment device (1) and a mixing box (2), wherein the pretreatment device (1) is communicated and fixedly connected with the mixing box (2);
the pretreatment device (1) comprises a first feeding box (3) and a second feeding box (5), wherein the second feeding box (5) is fixedly connected between the first feeding box (3) and the mixing box (2) in a penetrating manner;
a fluffing roller (7) is arranged in the first feeding box (3) side by side, and a plurality of fluffing pieces (9) are arranged on the side wall of the fluffing roller (7);
one end of each defibering roller (7) penetrates through the side wall of the first feeding box (3) and is connected with a first driving piece arranged on the outer wall of the first feeding box (3) together;
a water injection pipe (4) is also connected with the side wall of the first feeding box (3) and the lower end of the fluffing roller (7) in a penetrating way;
a first stirring piece is arranged in the first feeding box (3) and below the water injection pipe (4);
a second stirring piece (11) is arranged in the second feeding box (5);
a third stirring piece is arranged in the mixing box (2);
first feeding case (3) with all be provided with into hopper (18) on second feeding case (5), the diapire of mixing box (2) is provided with row material pipe (10).
2. The waste fiber recycled concrete mixing apparatus as recited in claim 1, wherein said first stirring member comprises:
first puddler (8) and first motor (19), first motor (19) set up in on first feeding case (3) inner wall, the output shaft of first motor (19) with first puddler (8) rigid coupling, be provided with a plurality of stirring rakes (20) on first puddler (8).
3. A waste fibre recycled concrete mixing apparatus as claimed in claim 1, wherein said second stirring member (11) is of the same construction as said first stirring member.
4. The waste fiber recycled concrete mixing device as recited in claim 1, wherein the first driving member comprises a driving wheel (22), a driven wheel (23) and a second motor (21), two ends of any one of the defibering rollers (7) are fixedly connected with the second motor (21) and the driving wheel (22) respectively, the other defibering roller (7) is fixedly connected with the driven wheel (23), and the driving wheel (22) and the driven wheel (23) are rotatably connected together through a transmission belt (14).
5. A waste fibre recycled concrete mixing apparatus as claimed in claim 1, wherein said third mixing member comprises a second driving member (15) and two second mixing arms (12), one end of each of said second mixing arms (12) extending through a side wall of said mixing box (2) and being commonly connected to said second driving member (15) provided on an outer wall of said mixing box (2).
6. A waste fibre recycled concrete mixing apparatus as claimed in claim 5, wherein said second drive member (15) is of the same construction as said first drive member.
7. The waste fiber recycled concrete mixing device as claimed in claim 5, wherein a plurality of hemispheres (13) are provided on said second stirring rod (12), and a plurality of stirring columns (17) are further provided on said hemispheres (13) and said second stirring rod (12).
8. A waste fibre recycled concrete mixing apparatus as claimed in claim 1, wherein a screen (16) is further provided within said discharge conduit (10).
9. A waste fibre recycled concrete mixing apparatus as claimed in claim 1, wherein a plurality of fluffing bars (6) are provided on the side wall of the first feeding box (3) at the upper end of the fluffing roller (7).
CN202122247427.XU 2021-09-16 2021-09-16 Waste fiber recycled concrete mixing device Expired - Fee Related CN215549787U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122247427.XU CN215549787U (en) 2021-09-16 2021-09-16 Waste fiber recycled concrete mixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122247427.XU CN215549787U (en) 2021-09-16 2021-09-16 Waste fiber recycled concrete mixing device

Publications (1)

Publication Number Publication Date
CN215549787U true CN215549787U (en) 2022-01-18

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ID=79850835

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122247427.XU Expired - Fee Related CN215549787U (en) 2021-09-16 2021-09-16 Waste fiber recycled concrete mixing device

Country Status (1)

Country Link
CN (1) CN215549787U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117601262A (en) * 2024-01-19 2024-02-27 盐城市国泰混凝土有限公司 Device for producing recycled concrete from construction waste and production method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117601262A (en) * 2024-01-19 2024-02-27 盐城市国泰混凝土有限公司 Device for producing recycled concrete from construction waste and production method thereof
CN117601262B (en) * 2024-01-19 2024-04-19 盐城市国泰混凝土有限公司 Device for producing recycled concrete from construction waste and production method thereof

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220118