CN113954235A - Production equipment and production process of ecological concrete - Google Patents
Production equipment and production process of ecological concrete Download PDFInfo
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- CN113954235A CN113954235A CN202110975316.2A CN202110975316A CN113954235A CN 113954235 A CN113954235 A CN 113954235A CN 202110975316 A CN202110975316 A CN 202110975316A CN 113954235 A CN113954235 A CN 113954235A
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- 239000004567 concrete Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 239000002699 waste material Substances 0.000 claims abstract description 58
- 238000012216 screening Methods 0.000 claims abstract description 52
- 238000003860 storage Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 69
- 239000004576 sand Substances 0.000 claims description 60
- 238000001035 drying Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 10
- 239000011449 brick Substances 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 16
- 230000008901 benefit Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
Images
Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/02—General arrangement or layout of plant for producing mixtures of clay or cement with other materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses production equipment of ecological concrete, which comprises a crusher, a first dryer, a mixer, a storage box body and a second dryer, wherein the bottom end of the crusher is connected with a support frame, the top end of the support frame is fixedly provided with a discharge hopper, the top opening of the discharge hopper is communicated with a discharge outlet at the bottom end of the crusher, the bottom end of the discharge hopper is provided with a screening box body, the bottom end of the screening box body is provided with an opening, a screening conveyor belt is arranged at the bottom side of the opening, one end of the screening conveyor belt penetrates through the support frame, the support frame is provided with a collecting hopper at one side close to the penetrating end of the screening conveyor belt, one side of the collecting hopper is vertically provided with a lifting pipe, and a spiral conveying rod is arranged inside the lifting pipe. The production process of the ecological concrete has the advantages of simple processing and manufacturing flow and low manufacturing cost, can change the construction waste into valuable, saves resources, realizes the recycling of the construction waste resources, and has remarkable social benefit and environmental benefit.
Description
Technical Field
The invention relates to the technical field of building material manufacturing, in particular to production equipment and a production process of ecological concrete.
Background
With the rapid development of economic society and the rapid advance of urbanization process in China, a large amount of construction waste is generated in construction and development, the compositions of the construction waste are basically consistent, and the construction waste mainly comprises waste sand, waste clay bricks, waste concrete, paper, waste plastics, fabrics, rubber and other light materials, waste metals and the like. At present, most of construction wastes are treated by stacking or landfill and the like, so that a large amount of precious land resources are occupied, and the environment is seriously polluted. A large amount of waste clay bricks and waste concrete in the construction waste can be used for preparing ecological cementing materials and recycled aggregates through a reasonable process, and the ecological cementing materials and the recycled aggregates are used for preparing ecological concrete. Thereby realizing the resource recycling of the construction waste.
At present, most of construction wastes are treated by stacking or landfill and the like, so that a large amount of precious land resources are occupied, and the environment is seriously polluted. Meanwhile, the operation of a large number of construction projects will force the human beings to continuously exploit more natural resources. Therefore, how to utilize the construction waste to change the waste into valuable becomes a difficult problem which is urgently needed to be solved in China and even all over the world.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a production device of ecological concrete, which comprises a crusher, a first dryer, a mixer, a storage box body and a second dryer, the bottom end of the crusher is connected with a support frame, the top end of the support frame is fixedly provided with a discharge hopper, and the top opening of the discharge hopper is communicated with the discharge hole at the bottom end of the crusher, the bottom end of the discharge hopper is provided with a screening box body, the bottom end of the screening box body is provided with an opening, a screening conveyor belt is arranged at the bottom side of the opening, one end of the screening conveyor belt passes through the supporting frame, and the supporting frame is provided with a collecting hopper at one side close to one end where the screening conveyer belt penetrates out, a lifting pipe is vertically arranged at one side of the collecting hopper, and a spiral conveying rod is arranged in the lifting pipe, openings are formed in one side of the upper end and the lower end of the lifting pipe, and the openings are communicated with a feeding hole and a collecting hopper of the crusher respectively.
As a preferred technical scheme of the invention, an aggregate box body is arranged under the support frame close to the screening conveyor belt, a second conveyor belt is arranged on the bottom sides of the aggregate box body and the storage box body in a penetrating manner, the first dryer and the second dryer are respectively arranged right above the second conveyor belt, the first conveyor belt is obliquely arranged on two sides of the top end of the mixer, and the first conveyor belt is respectively communicated with the second conveyor belt.
As a preferable technical scheme of the invention, the side wall of the screening box body is provided with an installation seat, and the installation seat is respectively connected and installed with the side wall of the support frame.
In a preferred embodiment of the present invention, the screening conveyor comprises a pair of mounting rollers and a screening wire.
As a preferable technical scheme of the invention, an opening is formed in one side, which is close to the sieving conveyor belt and penetrates out, of the sieving box body, an installation groove is formed in the top side of the opening, a baffle is slidably installed at the bottom side of the installation groove, an electric telescopic rod is fixedly installed at the top of the installation groove, and one end of the electric telescopic rod is connected with the baffle.
As a preferable technical solution of the present invention, the vibration motors are installed inside the installation seats.
The production process of the ecological concrete comprises the following steps:
s1, preparing recycled aggregate, pouring the building waste aggregate into a sorting machine through a loader, and separating waste sand, waste clay bricks and waste concrete in the building waste by using a volume method to form three primary products of building waste sand materials, building waste clay brick materials and building waste concrete materials;
s2, preparing a regenerated sand material, and pouring the primary building waste sand material separated in the step S1 into a crusher through a loader for crushing and screening;
s3, drying the regenerated sand material, adjusting the conveying speed of the second conveying belt and the heating temperature of the first dryer, and heating and drying the regenerated sand material, wherein the water content of the dried regenerated sand material is not more than 0.4%;
s4, preparing and drying the natural sand material, adjusting the conveying speed of the second conveying belt and the heating temperature of the second dryer, and heating and drying the natural sand material, wherein the water content of the dried natural sand material is not more than 0.4%;
s5, preparing mixed sand materials, starting the first conveying belt, conveying the dried regenerated sand materials and the dried natural sand materials into a mixer, adding an ecological cementing material into the mixer, starting the mixer, and uniformly mixing to obtain the ecological sand materials for the ecological concrete.
As a preferred technical scheme of the invention, before the primary building waste sand material is crushed, a screening conveyor belt with a proper mesh size needs to be selected and installed.
The invention has the beneficial effects that:
1. the production equipment for the ecological concrete realizes the rapid crushing and screening of the waste sand materials of the primary building through the matched use of the crusher, the screening box body and the screening conveyor belt, and simultaneously realizes the rapid lifting and conveying of the waste sand materials passing through the screening conveyor belt and the secondary crushing through the matched use of the lifting pipe and the spiral conveying rod inside the lifting pipe, thereby effectively improving the crushing efficiency and the crushing quality of the waste sand materials;
2. according to the production equipment for the ecological concrete, the dryer, the second conveying belt, the first conveying belt and the mixer are used in a matched manner, so that the regenerated sand material and the natural sand material are quickly dried and transferred, and meanwhile, the two sand materials are quickly mixed, and further, the ecological sand material used by the ecological concrete can be quickly prepared;
3. the production process of the ecological concrete has the advantages of simple processing and manufacturing flow and low manufacturing cost, can change the construction waste into valuable, saves resources, realizes the recycling of the construction waste resources, and has remarkable social and environmental benefits.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the general structure of an eco-concrete production facility according to the present invention;
FIG. 2 is a schematic view of a crusher structure of an eco-concrete production facility according to the present invention;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 of an eco-concrete production apparatus according to the present invention;
FIG. 4 is a process flow diagram of the ecological concrete production process of the present invention.
In the figure: 1. a crusher; 2. a first dryer; 3. a mixer; 4. a material storage box body; 5. a first conveying belt; 6. A second dryer; 7. a riser tube; 8. a screw conveying rod; 9. a collection hopper; 10. a support frame; 11. discharging the material from the hopper; 12. screening the box body; 13. screening the conveyor belt; 14. a material collecting box body; 15. a mounting seat; 16. conveying belt II; 17. mounting grooves; 18. an electric telescopic rod; 19. and a baffle plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-4, the invention relates to a production device of ecological concrete, which comprises a crusher 1, a first dryer 2, a mixer 3, a storage box 4 and a second dryer 6, wherein the bottom end of the crusher 1 is connected with a support frame 10, the top end of the support frame 10 is fixedly provided with a discharge hopper 11, the top opening of the discharge hopper 11 is communicated with the discharge port at the bottom end of the crusher 1, the bottom end of the discharge hopper 11 is provided with a screening box 12, the bottom end of the screening box 12 is provided with an opening, a screening conveyor belt 13 is arranged at the bottom side of the opening, one end of the screening conveyor belt 13 passes through the support frame 10, the support frame 10 is provided with a collecting hopper 9 at one side close to the penetrating end of the screening conveyor belt 13, one side of the collecting hopper 9 is vertically provided with a lift pipe 7, and a spiral conveying rod 8 is arranged inside the lift pipe 7, openings are formed in one side of the upper end and the lower end of the lifting pipe 7, and the openings are communicated with a feeding hole and a collecting hopper 9 of the crusher 1 respectively.
Wherein, support frame 10 is being close to screening conveyer belt 13 and is installing collection box 14 under, the bottom side of collection box 14 and storage box 4 all runs through and installs two 16 conveyer belts, drying-machine 2 and two 6 of drying-machine set up directly over two 16 conveyer belts respectively, 3 top both sides of blendor all incline to install conveyer belt 5, just conveyer belt 5 communicates with two 16 conveyer belts each other respectively.
Wherein, the lateral wall of screening box 12 installs mount pad 15, just mount pad 15 respectively with the lateral wall interconnect installation of carriage 10.
Wherein the screening conveyor 13 consists of a pair of mounting rollers and a screening wire.
Wherein, screening box 12 is equipped with the opening in the one side that is close to screening conveyer belt 13 and wears out, and the open-ended top side is equipped with mounting groove 17, the bottom side slidable mounting of mounting groove 17 has baffle 19, the top fixed mounting electric telescopic handle 18 of mounting groove 17, and electric telescopic handle 18's one end and baffle 19 interconnect.
Wherein, the inside of mount pad 15 all installs vibrating motor.
The production equipment for the ecological concrete realizes the rapid crushing and screening of the waste sand materials of the primary building through the matched use of the crusher 1, the screening box body 12 and the screening conveyor belt 13, and simultaneously realizes the rapid lifting and conveying of the waste sand materials passing through the screening conveyor belt 13 and the secondary crushing through the matched use of the lifting pipe 7 and the internal spiral conveying rod 8, thereby effectively improving the crushing efficiency and the crushing quality of the waste sand materials; through the cooperation use of first drying-machine 2, second drying-machine 6, second conveyer belt 16, first conveyer belt 5 and blendor 3, realized transporting the fast drying of regeneration sand material and natural sand material, can realize the flash mixed to two kinds of sand materials simultaneously, and then can realize the fast preparation of the used ecological sand material of ecological concrete.
As shown in fig. 4, a process for producing ecological concrete comprises the following steps:
s1, preparing recycled aggregate, pouring the building waste aggregate into a sorting machine through a loader, and separating waste sand, waste clay bricks and waste concrete in the building waste by using a volume method to form three primary products of building waste sand materials, building waste clay brick materials and building waste concrete materials;
s2, preparing a regenerated sand material, and pouring the primary building waste sand material separated in the step S1 into a crusher 1 through a loader for crushing and screening;
s3, drying the regenerated sand material, adjusting the conveying speed of the second conveying belt 16 and the heating temperature of the first dryer 2, and heating and drying the regenerated sand material, wherein the water content of the dried regenerated sand material is not more than 0.4%;
s4, preparing and drying the natural sand material, adjusting the conveying speed of the second conveying belt 16 and the heating temperature of the second dryer 6, and heating and drying the natural sand material, wherein the water content of the dried natural sand material is not more than 0.4%;
s5, preparing mixed sand materials, starting the first conveying belt 5, conveying the dried regenerated sand materials and the dried natural sand materials into a mixer, adding an ecological cementing material into the mixer, starting the mixer, and uniformly mixing to obtain the ecological sand materials for the ecological concrete.
Wherein a screening conveyor belt 13 with a suitable mesh size is selected and installed before the primary building waste sand is crushed.
The production process of the ecological concrete has the advantages of simple processing and manufacturing flow and low manufacturing cost, can change the construction waste into valuable, saves resources, realizes the recycling of the construction waste resources, and has remarkable social benefit and environmental benefit.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. The production equipment of the ecological concrete comprises a crusher (1), a first dryer (2), a mixer (3), a storage box body (4) and a second dryer (6), and is characterized in that the bottom end of the crusher (1) is connected with a support frame (10), a discharge hopper (11) is fixedly mounted at the top end of the support frame (10), the top opening of the discharge hopper (11) is communicated with the bottom discharge port of the crusher (1), a screening box body (12) is arranged at the bottom end of the discharge hopper (11), an opening is formed in the bottom end of the screening box body (12), a screening conveyor belt (13) is mounted at the bottom side of the opening, one end of the screening conveyor belt (13) penetrates through the support frame (10), a collecting hopper (9) is arranged at one side of the support frame (10) close to the end, through which the screening conveyor belt (13) penetrates out, a lifting pipe (7) is vertically mounted at one side of the collecting hopper (9), and a spiral conveying rod (8) is arranged in the lifting pipe (7), openings are formed in one side of the upper end and the lower end of the lifting pipe (7), and the openings are communicated with a feeding hole and a collecting hopper (9) of the crusher (1) respectively.
2. The ecological concrete production equipment is characterized in that the support frame (10) is provided with an aggregate box body (14) under the position close to the screening conveyor belt (13), the bottom sides of the aggregate box body (14) and the storage box body (4) are respectively provided with a second conveyor belt (16) in a penetrating manner, the first dryer (2) and the second dryer (6) are respectively arranged right above the second conveyor belt (16), the first conveyor belt (5) is obliquely arranged on two sides of the top end of the mixer (3), and the first conveyor belt (5) is respectively communicated with the second conveyor belt (16).
3. The eco-concrete production equipment according to claim 1, wherein the installation seats (15) are installed on the side walls of the screening box body (12), and the installation seats (15) are respectively installed in connection with the side walls of the support frame (10).
4. An eco-concrete production plant according to claim 1, wherein said screening conveyor (13) is comprised of a pair of mounting rollers and a screening wire.
5. The ecological concrete production equipment is characterized in that the screening box body (12) is provided with an opening at one side close to the side where the screening conveyor belt (13) penetrates out, the top side of the opening is provided with a mounting groove (17), the bottom side of the mounting groove (17) is slidably provided with a baffle plate (19), the top of the mounting groove (17) is fixedly provided with an electric telescopic rod (18), and one end of the electric telescopic rod (18) is connected with the baffle plate (19).
6. The eco-concrete production equipment according to claim 1, wherein a vibration motor is installed inside each of the installation seats (15).
7. The production process of the ecological concrete is characterized by comprising the following steps:
s1, preparing recycled aggregate, pouring the building waste aggregate into a sorting machine through a loader, and separating waste sand, waste clay bricks and waste concrete in the building waste by using a volume method to form three primary products of building waste sand materials, building waste clay brick materials and building waste concrete materials;
s2, preparing a regenerated sand material, and pouring the primary building waste sand material separated in the step S1 into a crusher (1) through a loader for crushing and screening;
s3, drying the regenerated sand material, adjusting the conveying speed of the second conveying belt (16) and the heating temperature of the first dryer (2), and heating and drying the regenerated sand material, wherein the water content of the dried regenerated sand material is not more than 0.4%;
s4, preparing and drying the natural sand material, adjusting the conveying speed of the second conveying belt (16) and the heating temperature of the second dryer (6), and heating and drying the natural sand material, wherein the water content of the dried natural sand material is not more than 0.4%;
s5, preparing mixed sand materials, starting a first conveying belt (5), conveying the dried regenerated sand materials and the dried natural sand materials into a mixer, adding an ecological cementing material into the mixer, starting the mixer, and uniformly mixing to obtain the ecological sand materials for the ecological concrete.
8. The eco-concrete production process as claimed in claim 7, wherein a screening conveyor (13) with a suitable mesh size is selected and installed before the primary building waste sand is crushed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110975316.2A CN113954235A (en) | 2021-08-24 | 2021-08-24 | Production equipment and production process of ecological concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110975316.2A CN113954235A (en) | 2021-08-24 | 2021-08-24 | Production equipment and production process of ecological concrete |
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| CN113954235A true CN113954235A (en) | 2022-01-21 |
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| CN202110975316.2A Pending CN113954235A (en) | 2021-08-24 | 2021-08-24 | Production equipment and production process of ecological concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471323A (en) * | 2022-01-26 | 2022-05-13 | 沧州禹道建设工程有限公司 | Device for preparing recycled aggregate by crushing coarse aggregate and modifying construction waste |
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Application publication date: 20220121 |