CN114523566A - Method and equipment for manufacturing foamed concrete - Google Patents
Method and equipment for manufacturing foamed concrete Download PDFInfo
- Publication number
- CN114523566A CN114523566A CN202210027621.3A CN202210027621A CN114523566A CN 114523566 A CN114523566 A CN 114523566A CN 202210027621 A CN202210027621 A CN 202210027621A CN 114523566 A CN114523566 A CN 114523566A
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- CN
- China
- Prior art keywords
- stirring
- foamed concrete
- foam
- raw materials
- mixing
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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
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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
- 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
- B28C5/08—Apparatus 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
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing 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
- B28C5/16—Mixing 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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
- C04B38/106—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam by adding preformed foams
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention provides a method and equipment for manufacturing foamed concrete, relating to the technical field of concrete equipment and comprising the following steps: firstly, conveying the raw materials of the foamed concrete to a preset construction height; wherein the raw materials comprise cement, aggregate, admixture, additive and water; step two, preparing foam by using a foaming agent; and step three, stirring and mixing the raw materials and the foam by adopting stirring equipment to form the foamed concrete. The manufacturing method of the foamed concrete provided by the application has the following technical effects: the raw materials of the foamed concrete are conveyed to a preset construction height, and then the foam is added for mixing, so that the foam damage in the vertical conveying process of the foamed concrete can be avoided, and various problems caused by the foam damage can be further avoided.
Description
Technical Field
The application relates to the technical field of concrete equipment, in particular to a manufacturing method and manufacturing equipment of foamed concrete.
Background
The foamed concrete is light porous concrete prepared by preparing foam from a foaming agent aqueous solution by a physical method and adding the foam into slurry prepared from cement, aggregate, admixture, additive, water and the like. The foamed concrete is an energy-saving material used for roof heat preservation slope finding, ground heat preservation cushion layer, upturned beam foundation pit filling, wall body pouring and the like.
The transportation mode commonly adopted in the market is a fine stone pump, but the fine stone pump transportation has the following problems: when the foam concrete is vertically conveyed, the foam damage rate in the foam concrete is high, so that the concrete quality in unit volume is increased, the water content of the mixture is increased, the performance of the foam concrete is influenced, and the strength of the foam concrete is reduced. This problem has been an important reason for restricting the spread of foamed concrete.
Disclosure of Invention
The technical problem to be solved by the present application is to provide a method and an apparatus for manufacturing foamed concrete, aiming at the above-mentioned deficiencies in the prior art.
The application provides a manufacturing method of foamed concrete, which comprises the following steps:
firstly, conveying a raw material of foamed concrete to a preset construction height; wherein the raw materials comprise cement, aggregate, admixture, additive and water;
step two, preparing foam by using a foaming agent;
and step three, stirring and mixing the raw materials and the foam by adopting stirring equipment to form the foamed concrete.
In some improvements, in step one, a fine stone pump is used to convey the raw material of the foamed concrete to a preset construction height.
In some refinements, in step two, the foaming agent is fully foamed mechanically by means of a foaming machine.
In some refinements, the stirring device comprises:
a mixing cylinder;
the stirring shaft penetrates through the stirring cylinder body;
the stirring structure is arranged on the stirring shaft;
and the power source is used for driving the stirring shaft to rotate.
In some refinements, the stirring structure comprises: the stirring device comprises two first stirring parts and two second stirring parts, wherein the two first stirring parts are in opposite positions; the first-type stirring portions and the second-type stirring portions are alternately arranged along the circumferential direction of the stirring shaft to form a spiral shape.
In some refinements, the first type of stirring section is a sheet; the second stirring part is a stirring cage formed by bending and winding a plurality of linear bodies.
In some refinements, the power source is an electric motor.
On the other hand, this application has still provided a preparation equipment of foaming concrete, includes:
the fine stone pump is used for conveying the raw materials of the foamed concrete to a preset construction height; wherein the raw materials comprise cement, aggregate, admixture, additive and water;
a foaming machine for producing foam using a foaming agent;
and the stirrer is used for stirring and mixing the raw materials and the foam by adopting stirring equipment to form the foamed concrete.
In this application, agitated vessel sets up on the construction floor, sets up at the end of whole construction process. The manufacturing method of the foamed concrete provided by the application has the following technical effects: the raw materials of the foamed concrete are conveyed to a preset construction height, and then the foam is added for mixing, so that the foam damage in the vertical conveying process of the foamed concrete can be avoided, and various problems caused by the foam damage can be further avoided.
In some embodiments, the stirring structure comprises: two first type stirring parts in opposite positions and two second type stirring parts in opposite positions. The first-type stirring portions and the second-type stirring portions are alternately arranged along the circumferential direction of the stirring shaft to form a spiral shape. The stirring structure is used for uniformly mixing the foam and the high-pressure concrete pumped out by the pump and has a conveying function. Here, two types of blades are used in combination, and the short-distance mixing is more uniform.
Drawings
Fig. 1 is a flowchart of a method for manufacturing foamed concrete according to an embodiment of the present disclosure.
FIG. 2 is a schematic structural diagram of a stirring device in an embodiment of the present application.
FIG. 3 is a schematic cross-sectional view of a stirring device in an embodiment of the present application.
Detailed Description
The following are specific embodiments of the present application and are further described with reference to the drawings, but the present application is not limited to these embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
In addition, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present application provides a method for manufacturing foamed concrete, including: step one, step two and step three. According to the manufacturing method of the foamed concrete, the raw materials of the foamed concrete are conveyed to the preset construction height, and then the foam is added for mixing, so that the foam damage in the vertical conveying process of the foamed concrete can be avoided. The following detailed description is made with reference to the accompanying drawings.
It should be noted that the weight of the non-load bearing wall portion is also an important component for the weight of the building, and therefore, the weight of the non-load bearing wall portion is designed at the time of design, and the control is acceptable only within the designed weight range. The lighter the weight of the non-load bearing wall is made, the better. This is why the unit weight of the foamed concrete is strictly controlled. Simply, the control of capacity.
Firstly, conveying a raw material of foamed concrete to a preset construction height; wherein the raw materials comprise cement, aggregate, admixture, additive and water. Here, the raw materials are slurries made of cement, aggregate, admixture, water, etc., and can be conveyed by a fine stone pump. In addition, the raw material for the foamed concrete may further contain other necessary components. This step is used to transport the raw materials to the construction floor.
In some embodiments, in step one, the raw material of the foamed concrete is delivered to a preset construction height using a fine stone pump. The fine stone pump is a construction mechanical device specially aiming at mortar conveying, has wide application, and can be used for engineering construction of ground cushions, building main bodies, railways, highway tunnels, bridges, culverts, hydropower, mines, national defense and the like.
And step two, preparing foam by using a foaming agent.
The foaming agent aqueous solution is prepared into foam by a physical method and is used for being mixed with other raw materials of the foaming concrete to form the foaming concrete. Further, here, the foaming agent is mechanically foamed sufficiently by a foaming machine. The foam formed by foaming is mixed with the slurry to form the foamed concrete.
And step three, stirring and mixing the raw materials and the foam by adopting stirring equipment to form the foamed concrete.
And the stirring equipment is arranged on a construction floor, and the raw materials conveyed in the step one and the foam obtained in the step two are mixed to form the foamed concrete.
In this application, agitated vessel sets up on the construction floor, sets up at the end of whole construction process. The embodiment of the application provides a method for manufacturing foamed concrete, which comprises the steps of conveying raw materials of the foamed concrete to a preset construction height, then adding foam for mixing, and thus avoiding the damage of the foam in the vertical conveying process of the foamed concrete and further avoiding various problems caused by the damage. It should be understood that vertical conveyance refers to lifting the foamed concrete up to vertical height using a fine stone pump.
With further reference to fig. 2, the stirring device comprises: the stirring device comprises a stirring cylinder body 10, a stirring shaft 20, a stirring structure 30 and a power source 40. Wherein, the stirring shaft 20 is arranged in the stirring cylinder 10 in a penetrating way. The stirring structure 30 is mounted on the stirring shaft. The power source 40 is used for driving the stirring shaft 20 to rotate. In some embodiments, a speed reducer may also be disposed between the power source 40 and the stirring shaft 20. The stirring shaft 20 is driven by the power source 40 to drive the stirring structure 30 to fully stir the materials in the stirring cylinder 10, so as to fully mix the raw materials and the foam, thereby forming the foamed concrete. Here, the stirring device has two functions, carries out short-distance conveying at a preset height, and mixes the raw materials with the foam to form the foamed concrete during the conveying process. In some embodiments, power source 40 is an electric motor.
Referring to fig. 3, in some embodiments, the stirring structure 30 includes: two first type stirring parts 31 in opposite positions and two second type stirring parts 32 in opposite positions; the first-type stirring portions 31 and the second-type stirring portions 32 are alternately arranged along the circumferential direction of the stirring shaft 20 to form a spiral shape. During rotation, the foam and slurry advance along the stirring structure 30 and mixing is completed. In some embodiments, the first type stirring part 31 is a sheet-like body; the second stirring part 32 is a stirring cage formed by winding a plurality of linear bodies, and is similar to a stirring head used by an egg beater, such as the stirring head described in chinese patent No. cn201520465231. x.
The mixing structure 30 is used for uniformly mixing the foam and the high-pressure concrete pumped out, and has a conveying function. Here, two types of blades are used in combination, and the short-distance mixing is more uniform.
The embodiment of this application has still provided a preparation equipment of foaming concrete, includes: fine stone pump, foaming machine, agitator. The fine stone pump is used for conveying the raw materials of the foamed concrete to a preset construction height; wherein the raw materials comprise cement, aggregate, admixture, additive and water. The foaming machine is used for preparing foam by utilizing a foaming agent. The stirrer is used for stirring and mixing the raw materials and the foam by adopting stirring equipment to form the foamed concrete. The manufacturing apparatus for foamed concrete provided in this embodiment is applied to the manufacturing method for foamed concrete provided in the above section, and for related contents, reference may be made to the above description of the manufacturing method for foamed concrete, and details are not repeated here.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications, additions and substitutions for the specific embodiments described may occur to those skilled in the art without departing from the spirit of the application or exceeding the scope of the claims.
Claims (8)
1. The method for manufacturing the foamed concrete is characterized by comprising the following steps:
firstly, conveying a raw material of foamed concrete to a preset construction height; wherein the raw materials comprise cement, aggregate, admixture, additive and water;
step two, preparing foam by using a foaming agent;
and step three, stirring and mixing the raw materials and the foam by adopting stirring equipment to form the foamed concrete.
2. The method for preparing foamed concrete according to claim 1, wherein in the first step, a fine stone pump is used to convey the raw material of the foamed concrete to a preset construction height.
3. The method of claim 1, wherein in the second step, the foaming agent is sufficiently foamed mechanically by a foaming machine.
4. The method for producing foamed concrete according to claim 1, wherein the mixing apparatus comprises:
a stirring cylinder (10);
a stirring shaft (20) arranged in the stirring cylinder body (10) in a penetrating way;
a stirring structure (30) mounted on the stirring shaft;
and the power source (40) is used for driving the stirring shaft (20) to rotate.
5. Method for producing foamed concrete according to claim 4, characterized in that said mixing structure (30) comprises: two first type stirring parts (31) at opposite positions and two second type stirring parts (32) at opposite positions; the first-type stirring portions (31) and the second-type stirring portions (32) are alternately arranged along the circumferential direction of the stirring shaft (20) to form a spiral shape.
6. The method for producing foamed concrete according to claim 5, wherein the first type stirring portion (31) is a sheet-like body; the second stirring part (32) is a stirring cage formed by bending a plurality of linear bodies.
7. The method for producing foamed concrete according to claim 4, wherein the power source (40) is a motor.
8. An apparatus for producing foamed concrete, comprising:
the fine stone pump is used for conveying the raw materials of the foamed concrete to a preset construction height; wherein the raw materials comprise cement, aggregate, admixture, additive and water;
a foaming machine for producing foam using a foaming agent;
and the stirrer is used for stirring and mixing the raw materials and the foam by adopting stirring equipment to form the foamed concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027621.3A CN114523566A (en) | 2022-01-11 | 2022-01-11 | Method and equipment for manufacturing foamed concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027621.3A CN114523566A (en) | 2022-01-11 | 2022-01-11 | Method and equipment for manufacturing foamed concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114523566A true CN114523566A (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210027621.3A Pending CN114523566A (en) | 2022-01-11 | 2022-01-11 | Method and equipment for manufacturing foamed concrete |
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| CN (1) | CN114523566A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1157441A (en) * | 1997-08-25 | 1999-03-02 | Reika Kogyo Kk | Stirring and mixing device |
| KR20040009166A (en) * | 2002-07-22 | 2004-01-31 | 한국건설기술연구원 | Manufacturing apparatus for air-entrained concrete slurry having foaming machine |
| CN103171053A (en) * | 2013-04-15 | 2013-06-26 | 沈阳中辰钢结构工程有限公司 | Composite foamed concrete grouting device with continuous material feeding, stirring, conveying and parameter measuring and control functions |
| CN104119101A (en) * | 2014-07-29 | 2014-10-29 | 中冶建工集团有限公司 | Cast-in-place light-weight foamed concrete construction technique |
| CN108005274A (en) * | 2017-08-21 | 2018-05-08 | 大连正锐装配式住宅发展股份有限公司 | The split type method for preparing light foam concrete cast-in-situ wall |
| CN109016136A (en) * | 2018-08-27 | 2018-12-18 | 沈阳金之利科技有限公司 | A kind of on-site casting polyphenyl ethylene granule foaming concrete dispersion construction system and method |
-
2022
- 2022-01-11 CN CN202210027621.3A patent/CN114523566A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1157441A (en) * | 1997-08-25 | 1999-03-02 | Reika Kogyo Kk | Stirring and mixing device |
| KR20040009166A (en) * | 2002-07-22 | 2004-01-31 | 한국건설기술연구원 | Manufacturing apparatus for air-entrained concrete slurry having foaming machine |
| CN103171053A (en) * | 2013-04-15 | 2013-06-26 | 沈阳中辰钢结构工程有限公司 | Composite foamed concrete grouting device with continuous material feeding, stirring, conveying and parameter measuring and control functions |
| CN104119101A (en) * | 2014-07-29 | 2014-10-29 | 中冶建工集团有限公司 | Cast-in-place light-weight foamed concrete construction technique |
| CN108005274A (en) * | 2017-08-21 | 2018-05-08 | 大连正锐装配式住宅发展股份有限公司 | The split type method for preparing light foam concrete cast-in-situ wall |
| CN109016136A (en) * | 2018-08-27 | 2018-12-18 | 沈阳金之利科技有限公司 | A kind of on-site casting polyphenyl ethylene granule foaming concrete dispersion construction system and method |
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