CN111941642B - Foam concrete mixing device and mixing method - Google Patents
Foam concrete mixing device and mixing methodInfo
- Publication number
- CN111941642B CN111941642B CN202010870260.XA CN202010870260A CN111941642B CN 111941642 B CN111941642 B CN 111941642B CN 202010870260 A CN202010870260 A CN 202010870260A CN 111941642 B CN111941642 B CN 111941642B
- Authority
- CN
- China
- Prior art keywords
- stirring
- slurry
- tank
- mixing
- foam concrete
- 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.)
- Active
Links
Classifications
-
- 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
- B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
- B28C5/381—Producing cellular concrete
- B28C5/383—Producing cellular concrete comprising stirrers to effect the mixing
- B28C5/385—Stirrers specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- 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
- B28C5/0862—Adaptations of mixing containers therefor, e.g. use of material, coatings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
本发明公开了一种泡沫混凝土搅拌装置及搅拌方法，涉及搅拌设备技术领域，其中泡沫混凝土搅拌装置包括搅拌罐和搅拌器；搅拌罐具有V形结构的搅拌空间，并在搅拌空间的两侧分别设有一搅拌器；搅拌器设有带搅拌叶片的搅拌轴，用于在搅拌料浆的同时下压料浆，使得料浆沿搅拌罐侧壁向上翻滚。本发明对搅拌罐的内部结构进行优化设计，并改变了现有搅拌轴水平搅拌的单一方式，使得料浆在水平旋转的同时会沿搅拌罐的侧壁向上翻滚，从而实现三维立体搅拌，有效提高了搅拌效率，确保料浆搅拌均匀且充分混合，进而确保料浆比重均匀，避免发泡过程中气泡的破裂或穿孔，有效提高了泡沫混凝土的品质。
The present invention discloses a foam concrete mixing device and a mixing method, which relate to the technical field of mixing equipment, wherein the foam concrete mixing device includes a mixing tank and an agitator; the mixing tank has a V-shaped mixing space, and an agitator is respectively provided on both sides of the mixing space; the agitator is provided with a mixing shaft with mixing blades, which is used to press down the slurry while stirring the slurry, causing the slurry to roll upward along the side wall of the mixing tank. The present invention optimizes the internal structure of the mixing tank and changes the existing single horizontal stirring mode of the mixing shaft, so that the slurry rolls upward along the side wall of the mixing tank while rotating horizontally, thereby achieving three-dimensional stirring, effectively improving the stirring efficiency, ensuring that the slurry is stirred evenly and fully mixed, and further ensuring that the slurry has a uniform specific gravity, avoiding the rupture or perforation of bubbles during the foaming process, and effectively improving the quality of the foamed concrete.
Description
Technical Field
The invention relates to the technical field of stirring equipment, in particular to a foam concrete stirring device and a stirring method.
Background
The foamed concrete is also called as foamed concrete, and is a novel light heat-insulating material containing a large number of closed pores, which is formed by adding a chemical foaming agent or a physical foaming agent into slurry prepared from a cementing material, an admixture, a modifier, brine and the like after foaming, mixing, casting and naturally curing.
Most of the existing foam concrete directly adopts stirring equipment of common concrete to realize the mixing and stirring process in the production process, so that the phenomena of uneven stirring, poor mixing effect, bubble cracking, serious perforation and the like are easy to occur, and the quality of products cannot be ensured.
Disclosure of Invention
The invention provides a foam concrete stirring device and a stirring method, and mainly aims to solve the problems that the existing foam concrete is easy to generate uneven stirring, poor mixing effect, bubble cracking, serious perforation and the like in the stirring process.
The invention adopts the following technical scheme:
A foam concrete stirring device comprises a stirring tank and a stirrer, wherein the stirring tank is provided with a stirring space with a V-shaped structure, two sides of the stirring space are respectively provided with a stirrer, and the stirrer is provided with a stirring shaft with stirring blades and is used for stirring slurry and simultaneously pressing the slurry down so that the slurry rolls upwards along the side wall of the stirring tank.
Further, the stirring tank comprises two tank bodies which are symmetrically arranged and are in a diagonal column shape, the bottoms of the two tank bodies are communicated with each other, so that a stirring space with a V-shaped structure is formed, and the two tank bodies are internally provided with the stirrer.
Further, the included angle between the two tank bodies is 30-70 degrees.
Still further, above-mentioned agitator tank still includes the lid that detachably set up in jar body top, and above-mentioned lid is equipped with material throwing mouth and observation window.
Still further, two above-mentioned jar body bottoms all are equipped with the discharge gate to set up the gate valve that is used for opening and close the discharge gate.
Further, the stirring blade is a helical blade, and the outer diameter of the helical blade gradually increases from top to bottom.
Further, the stirrer further comprises a scraping plate detachably arranged at the bottom of the stirring shaft and used for scraping slurry deposited at the bottom of the stirring tank.
Further, the stirrer further comprises a driving motor, wherein the two driving motors are fixedly arranged on two sides of the top of the stirring tank, and an output shaft of the driving motor extends into the stirring tank and is connected with the stirring shaft.
A method for stirring foam concrete includes such steps as stirring the slurry while pressing it down to make the slurry in stirring tank rotate horizontally and roll back and forth from bottom to top.
Further, the stirring method further comprises the step of scraping off the slurry deposited at the bottom of the stirring tank while stirring the slurry to ensure uniform mixing of the slurry.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the internal structure of the stirring tank is optimally designed, and the single mode of horizontal stirring of the existing stirring shaft is changed, so that slurry can roll upwards along the side wall of the stirring tank while rotating horizontally, thereby realizing three-dimensional stirring, effectively improving stirring efficiency, ensuring uniform stirring and full mixing of slurry, further ensuring uniform specific gravity of slurry, avoiding cracking or perforation of bubbles in the foaming process, and effectively improving the quality of foam concrete.
2. The stirring tank comprises two tank bodies which are in a diagonal column shape and the bottoms of which are mutually communicated, wherein the two tank bodies are respectively provided with a stirrer, and when the stirring tank is in operation, stirring shafts of the two stirrers drive stirring blades to rotate in the same direction, so that slurry in the two tank bodies circularly flows and rolls up and down, the stirring efficiency and the mixing effect are fully improved, and the yield of the stirring tank is effectively improved.
3. The included angle alpha between the two tank bodies is 30-70 degrees, so the design can ensure that the slurry is fully and uniformly stirred in the shortest time, thereby ensuring the stirring effect and fully improving the stirring efficiency.
4. According to the invention, the stirring blades are helical blades, and the outer diameters of the helical blades are gradually increased from top to bottom, so that the acting force generated by the stirring shaft is gradually increased from top to bottom, a trend of pressing down the slurry is formed, the slurry rolls back and forth from bottom to top while rotating horizontally, the stirring effect is fully improved, and uniform mixing of the slurry is ensured.
5. The scraper blade of the invention has the functions of scraping the slurry, ensuring no residue of the slurry, transversely stirring the slurry, reserving 0.5cm gaps between the scraper blade and the bottom and side walls of the tank body, avoiding abrasion while scraping the slurry without dead angles, and effectively prolonging the service life of the tank.
Drawings
Fig. 1 is a front view of a first embodiment of the present invention.
Fig. 2 is a side view of a first embodiment of the present invention.
Fig. 3 is a top view of a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a stirrer (driving motor is not shown) according to a second embodiment of the present invention.
In the figure, 1 part of stirring tank, 10 parts of stirring space, 11 parts of tank body, 111 parts of reinforcing plate, 12 parts of cover body, 121 parts of material inlet, 122 parts of observation window, 13 parts of gate valve, 2 parts of stirrer, 21 parts of stirring shaft, 22 parts of stirring blade, 23 parts of scraper, 24 parts of driving motor.
Detailed Description
Specific embodiments of the present invention will be described below with reference to the accompanying drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details.
Embodiment one:
Referring to fig. 1 to 3, a foam concrete stirring apparatus includes a stirring tank 1 and a stirrer 2, the stirring tank 1 having a stirring space 10 of a V-shaped structure and being provided with a stirrer 2 at both sides of the stirring space 10, respectively, the stirrer 2 being provided with a stirring shaft 21 having stirring blades 22 for pressing down slurry while stirring the slurry so that the slurry rolls up along the side wall of the stirring tank 1. According to the invention, the internal structure of the stirring tank 1 is optimally designed, and the single mode of horizontal stirring of the existing stirring shaft 21 is changed, so that slurry can roll upwards along the side wall of the stirring tank 1 while rotating horizontally, thereby realizing three-dimensional stirring, effectively improving stirring efficiency, ensuring uniform and full mixing of slurry, further ensuring uniform specific gravity of slurry, avoiding cracking or perforation of bubbles in the foaming process, and effectively improving the quality of foam concrete.
The structure and characteristics of the stirring tank 1 are described in detail below:
Referring to fig. 1 to 3, the stirring tank 1 comprises two tank bodies 11 which are symmetrically arranged and are in a diagonal column shape, the bottoms of the two tank bodies 11 are mutually communicated, so that a stirring space 10 with a V-shaped structure is formed, and a stirrer 2 is arranged in each of the two tank bodies 11. When the stirring tank works, the stirring shafts 21 drive the stirring blades 22 to rotate in the same direction, so that slurry in the two tank bodies 11 circularly flows and rolls up and down, the stirring efficiency and the mixing effect are fully improved, and the yield of the stirring tank 1 is effectively improved. In order to improve structural strength and stability, a reinforcing plate 111 may be provided between the two tanks 11.
Referring to fig. 1 to 3, the included angle α between the two cans 11 is 30 to 70 °, i.e., the inclination angle β of the side walls of the cans 11 is 15 to 35 °. During stirring, the slurry at the bottom of the stirring tank 1 rolls upwards under the action of the stirrer 2, and the action can be approximately equivalent to parabolic motion, so that the inclined angle beta of the side wall of the tank body 11 is strictly designed, the slurry just falls on the outer side wall of the stirring tank 1 when moving to the vertex of a parabola, and the slurry is fully and uniformly stirred in the shortest time, so that the stirring effect is ensured, and the stirring efficiency is fully improved. It should be noted that, the range of the inclination angle β in the present invention is a suitable range obtained after a plurality of tests, and in practical design and production, a person skilled in the art may refer to the above description and need to calculate by combining the specific specification of the stirring tank 1 and the stirring speed of the stirrer 2 to obtain an optimized value.
Referring to fig. 1 to 3, a cover 12 is detachably disposed above both tanks 11, and the cover 12 is provided with a feed inlet 121 and an observation window 122, so that an operator can feed the slurry and observe the stirring condition of the slurry at any time. In order to facilitate discharging, the bottoms of the two tank bodies 11 are provided with discharge ports, and a gate valve 13 for opening and closing the discharge ports is arranged.
The structure and characteristics of the stirrer are described in detail below:
Referring to fig. 1 to 3, the stirrer 2 includes a stirring shaft 21, stirring blades 22, a scraper 23 and a driving motor 24, wherein the two driving motors 24 are respectively fixed on the cover bodies 12 of the two tank bodies 11, and the output shafts thereof extend into the tank bodies 11 and are connected with the stirring shaft 21. The outer side wall of the stirring shaft 21 is provided with stirring blades 22, and the bottom of the stirring shaft 21 is detachably provided with a scraper 23 for scraping off slurry deposited on the bottom of the stirring tank 1.
Referring to fig. 1 to 3, in particular, the stirring blade 22 is a helical blade, and the outer diameter of the helical blade gradually increases from top to bottom. By the design, the acting force generated by the stirring shaft 21 can be gradually increased from top to bottom, so that a trend of pressing down the slurry is formed, the slurry rolls back and forth from bottom to top while rotating horizontally, the stirring effect is fully improved, and uniform slurry mixing is ensured.
Referring to fig. 1 to 3, specifically, the scraper 23 is a flat scraper, and the design of the scraper 23 not only can play a role in scraping the slurry, ensuring that the slurry is free from residues, but also can play a role in transversely stirring the slurry. More specifically, the scraper 23 includes a connecting rod and a rubber plate, the connecting rod is vertically fixed to the bottom of the stirring shaft, and the connecting rod is detachably provided with the rubber plate. During actual production, the rubber plate can be fixedly arranged at the bottom of the connecting rod through bolts, so that the rubber plate can be conveniently detached and replaced while the reliable connection of the rubber plate and the connecting rod is ensured. Gaps of 0.5cm are reserved between the rubber plate and the bottom and the side wall of the tank body 11, so that no dead angle is ensured to scrape slurry, abrasion is avoided, and the service life of the tank is effectively prolonged.
The following describes a stirring method based on the foam concrete stirring device:
A method for stirring foam concrete includes such steps as stirring the slurry while pressing it down to make the slurry in stirring tank rotate horizontally and roll back and forth from bottom to top, and scraping the slurry deposited on the bottom of stirring tank while stirring it.
Embodiment two:
referring to fig. 1 to 4, unlike the embodiment, the scraper 23 in the present embodiment is preferably two arc-shaped scrapers arranged in central symmetry, thereby enabling the scraping effect and the lateral stirring effect of the scraper 23 to be improved.
The foregoing is merely illustrative of specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall within the scope of the present invention.
Claims (7)
1. The foam concrete stirring device comprises a stirring tank and a stirrer, and is characterized in that:
the stirring tank is provided with a stirring space with a V-shaped structure, and two sides of the stirring space are respectively provided with a stirrer, wherein the stirrer is provided with a stirring shaft with stirring blades and is used for pressing down the slurry while stirring the slurry so that the slurry rolls upwards along the side wall of the stirring tank;
The stirring tank comprises two tank bodies which are symmetrically arranged and are in a diagonal column shape, wherein the bottoms of the two tank bodies are communicated with each other, so that a stirring space with a V-shaped structure is formed, one stirrer is arranged in each tank body, the included angle between the two tank bodies is 30-70 degrees, so that slurry just falls on the outer side wall of the stirring tank when moving to the vertex of a parabola;
Stirring vane is helical blade, and this helical blade's external diameter from last to lower increase gradually for the effort that the (mixing) shaft produced from top to lower increases gradually, thereby forms the trend of pushing down the ground paste, makes ground paste from lower supreme roll back and forth in the horizontal rotation, from this fully improves stirring effect, ensures ground paste misce bene.
2. The foam concrete mixing apparatus of claim 1, further comprising a cover removably disposed over the tank, the cover having a feed inlet and a viewing window.
3. A foam concrete stirring device as set forth in claim 1, wherein the bottoms of both tanks are provided with discharge ports and are provided with gate valves for opening and closing the discharge ports.
4. A foamed concrete agitating apparatus as set forth in claim 1 wherein said agitator further comprises a scraper removably disposed at the bottom of the agitator shaft for scraping off slurry deposited at the bottom of the agitator tank.
5. The foam concrete stirring device of claim 1, wherein the stirrer further comprises a driving motor, the two driving motors are fixedly arranged on two sides of the top of the stirring tank, and an output shaft of the driving motor extends into the stirring tank and is connected with the stirring shaft.
6. A method of stirring foam concrete using the foam concrete stirring apparatus as claimed in any one of claims 1 to 5, characterized by comprising the step of pressing down the slurry while stirring the slurry so that the slurry in the stirring tank rotates horizontally and rolls back and forth from bottom to top.
7. The method for stirring foam concrete according to claim 6, further comprising the step of scraping off slurry deposited on the bottom of the stirring tank while stirring the slurry to ensure uniform mixing of the slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010870260.XA CN111941642B (en) | 2020-08-26 | 2020-08-26 | Foam concrete mixing device and mixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010870260.XA CN111941642B (en) | 2020-08-26 | 2020-08-26 | Foam concrete mixing device and mixing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111941642A CN111941642A (en) | 2020-11-17 |
| CN111941642B true CN111941642B (en) | 2025-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010870260.XA Active CN111941642B (en) | 2020-08-26 | 2020-08-26 | Foam concrete mixing device and mixing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN111941642B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263627B (en) * | 2021-06-01 | 2022-10-04 | 广西北投大正混凝土有限公司 | Concrete formula for improving rheological property and preparation method thereof |
| CN114703723A (en) * | 2022-05-06 | 2022-07-05 | 徐州市新远建设路面机械有限公司 | Double-tank communicated vertical stirring automatic feeding type cement paste sprinkling vehicle |
| CN117509951A (en) * | 2023-11-09 | 2024-02-06 | 中建环能科技股份有限公司 | System and method for rapidly purifying urban rain sewage |
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| CN205412840U (en) * | 2016-03-14 | 2016-08-03 | 天津金世制药有限公司 | High -efficient V type mixes machine |
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| CN212385687U (en) * | 2020-08-26 | 2021-01-22 | 福建雄辉机械有限公司 | A foam concrete mixer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2440461C2 (en) * | 1974-08-23 | 1982-12-16 | Elba-Werk Maschinen-Gesellschaft Mbh & Co, 7505 Ettlingen | Compulsory mixers for concrete mixers |
| JP4167951B2 (en) * | 2003-07-22 | 2008-10-22 | 株式会社北川鉄工所 | Biaxial mixer for ready-mixed concrete |
| ITMC20050001U1 (en) * | 2005-01-31 | 2006-08-01 | Ohg Galletti O M G Srl | MIXER FOR CONCRETE, MORTAR AND SIMILAR, EQUIPPED WITH A DRAIN HOPPER FOR REDUCED DIMENSIONS. |
| DE102008049265B4 (en) * | 2008-09-26 | 2012-12-13 | Azo Holding Gmbh | mixer |
| CN205599013U (en) * | 2016-03-21 | 2016-09-28 | 平顶山市国邦新材料有限公司 | A ground paste homogenization jar for carborundum production |
| CN210589928U (en) * | 2019-05-24 | 2020-05-22 | 河南华泰新材科技股份有限公司 | Be applied to mixing stirring device of foam concrete thick liquids preparation |
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|---|---|---|---|---|
| CN205412840U (en) * | 2016-03-14 | 2016-08-03 | 天津金世制药有限公司 | High -efficient V type mixes machine |
| CN205886732U (en) * | 2016-07-19 | 2017-01-18 | 武汉武立涂料有限公司 | Coating mixing tank |
| CN211104792U (en) * | 2019-11-21 | 2020-07-28 | 广东精艺建设集团有限公司 | Capital construction ground paste mixer |
| CN212385687U (en) * | 2020-08-26 | 2021-01-22 | 福建雄辉机械有限公司 | A foam concrete mixer |
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| CN111941642A (en) | 2020-11-17 |
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