CN105522650A - Small concrete mixer - Google Patents
Small concrete mixer Download PDFInfo
- Publication number
- CN105522650A CN105522650A CN201510872520.6A CN201510872520A CN105522650A CN 105522650 A CN105522650 A CN 105522650A CN 201510872520 A CN201510872520 A CN 201510872520A CN 105522650 A CN105522650 A CN 105522650A
- Authority
- CN
- China
- Prior art keywords
- countershaft
- stirs
- agitator
- stirring
- mixing
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 146
- 238000007599 discharging Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 abstract 2
- 230000003670 easy-to-clean Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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
- B28C5/08—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
-
- 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
- B28C5/0806—Details; Accessories
-
- 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
- B28C5/0806—Details; Accessories
- B28C5/0818—Charging or discharging gates or chutes; Sealing means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a small concrete mixer which comprises a rack, a mixing device, a power device and an inlet water cleaning device. A buffer pad is arranged on the rack; the mixing device comprises a mixing barrel, a mixing shaft and mixing blades; the mixing shaft comprise a primary mixing shaft and secondary mixing shafts; the plurality of the secondary mixing shafts are connected to the primary mixing shaft and the fifth secondary mixing shaft, so that the mixing shaft is in the shape of a fan; the mixing blades are fixed to the secondary mixing shafts at an angle of 0-90 degrees with the horizontal direction; the inlet water cleaning device comprises a water inlet tube and pressure spray nozzles, wherein the water inlet tube is in the shape of a ring, and is embedded into the inner wall of the mixing barrel in a peripheral direction of the upper part of the mixing barrel; and the pressure spray nozzles are arranged on the ring-shaped water inlet tube at intervals. The small concrete mixer disclosed by the invention has the advantages of being easy to clean, high in mixing efficiency, small in noise, long in service life and the like.
Description
Technical field
The present invention relates to a kind of mixer.More particularly, the present invention relates to a kind of small-sized concrete mixer.
Background technology
Concrete mixer is the mixing of cement, sandstone aggregate and water and mixing becomes the machinery of concrete mixture, is the special equipment in the industrial production such as water conservancy, bridge, highway and civil building engineering.Along with greatly developing of Construction of Highway Traffic and civil buildings, concrete mixer obtains and develops rapidly, and improves constantly along with to the requirement of construction quality and operating efficiency, thus has higher requirement to mixing plant.
The large-scale mixer of the many employings of commerical ready-mixed concrete in the market stirs obtained, by equipment manufacturing cost, processing place and traffic condition restriction, large-sized concrete mixer is not also suitable for middle and small scale building and traffic condition backward areas, and pony mixer also exists, and mixing of materials is uneven, intensity is low, inefficiency, transport is inconvenient, during use noise large and service life many problems such as short.Therefore, for solving the problem, spy provides a kind of new technical scheme.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above and/or defect, and the advantage will illustrated at least is below provided.
The present invention's object is to provide a kind of small-sized concrete mixer, by arranging annular water inlet pipe and drive nozzle above agitator, stir the cleaning valve on rear opening controller, drive nozzle can be sprayed water from different perspectives, cleans mixer, avoids because cleaning not in time, concrete setting, stick on agitator, shaft and stirring vane, cause mixer consumable accessory to damage, service life shortens.
A further object of the invention is by cushion pad nested between the first frame with the second frame, mixer can form certain buffering to agitator and frame when using, be conducive to the service life of improving mixer, in addition, when mixer uses, the charging aperture door on agitator and discharging opening door are closed, and agitator is in closed state, effectively can prevent from stirring noise unofficial biography, thus reduce noise.
A further object of the invention stirs main shaft by changing and stir the connected mode of countershaft and the angle of stirring vane, effectively can avoid the generation of mixing inefficient zone, improve concrete quality and stirring efficiency.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of small-sized concrete mixer, comprise,
Frame, it comprises:
First frame, it is placed in ground;
Second frame, it is placed in above described first frame;
Cushion pad, it is nested in described first frame and described second frame junction;
Agitating device, it comprises:
Agitator, it comprises integrated upper part and lower part, and described upper part is cylindrical, described lower part is hemispherical, the bottom of described agitator is fixed in described second frame, and charging aperture is established in its side, top, and bottom it, discharging opening is established in side relative to described charging aperture;
Shaft, it comprises stirring main shaft and stirs countershaft, described stirring main shaft is vertically arranged in described agitator, its one end is connected to make described shaft be fixed on described agitator with described agitator top center point inner, wherein, described stirring countershaft stirs countershaft by first, second stirs countershaft, 3rd stirs countershaft, 4th stirs countershaft and the 5th stirs countershaft composition, described 5th stirs countershaft in the arc be bent upwards, described stirring main shaft is connected in the middle part of it, described first stirs countershaft is symmetrical arranged perpendicular to described stirring main shaft, second stirring countershaft is arranged at described first stirring countershaft and the described 5th in pairs and stirs between countershaft to make described shaft be fan-shaped, 3rd stirs countershaft and the 4th stirs the both sides that countershaft is arranged in pairs in described stirring main shaft, stir between countershaft at described stirring main shaft and the described 5th,
Multiple stirring vane, described stirring vane and horizontal direction are that 0-90 degree is fixed on described stirring countershaft; Power set, it comprises:
Motor, it is fixed on the top at described agitator top, and it drives described stirring main shaft to rotate by belt pulley jockey;
Water inlet cleaning device, it comprises:
Water inlet pipe, it comprises two parts of connection, Part I is annular, its circumferencial direction along described agitator upper part is nested in the inwall of described agitator, Part II is yi word pattern, its one end is communicated with described Part I, and the other end passes outer wall and the ft connection of described agitator, and the other end of described water inlet pipe is provided with control valve and flowmeter;
Multiple drive nozzle, it is disposed on described Part I.
Preferably, described stirring vane comprises the first stirring vane, the second stirring vane and the 3rd stirring vane, and described first stirring vane is horizontally fixed on described second and stirs on countershaft; Described second stirring vane and horizontal direction are 45 degree and are fixed on the described 3rd and stir countershaft and the described 4th and stir on countershaft; Described 3rd stirring vane is fixed on the described 5th perpendicular to horizontal direction and stirs on countershaft.
Preferably, described water inlet pipe Part I establishes 6-18 drive nozzle.
Preferably, described drive nozzle and horizontal direction are 15-75 degree.
Preferably, described discharging opening establishes discharging opening door, and elastic sealing strip is established at described discharging opening door edge, and described discharging opening door one end is hinged on bottom agitator, and the other end manually valve is fixed on agitator.
Preferably, be provided with charging aperture door above described charging aperture, described charging aperture door hinge is connected on agitator top.
Preferably, decelerator is provided with between described belt pulley jockey and described stirring main shaft.
Preferably, described first inside, frame upper end is provided with controller, its surface is provided with control panel, described control panel is provided with the first switch and second switch, described first switch controls described motor by controller and runs, described second switch controls described control valve by controller and opens or close, and described control panel is provided with the display screen showing described flowmeter flow.
The present invention at least comprises following beneficial effect:
The first, annular water inlet pipe and drive nozzle are set above agitator, stir the control valve switch on rear opening controller, drive nozzle can be sprayed water from different perspectives, mixer is cleaned, avoid because cleaning not in time, concrete setting, sticks on agitator, shaft and stirring vane, cause mixer consumable accessory to damage, service life shortens.
The second, nested cushion pad between the first frame with the second frame, can form certain buffering to agitator and frame when mixer uses, and is conducive to the service life of improving mixer.
Three, on agitator, arrange charging aperture door and discharging opening door, when mixer uses, the charging aperture door on agitator and discharging opening door are closed, and agitator is in closed state, effectively can prevent from stirring noise unofficial biography, reduce and stir noise.
Four, change stirring main shaft and stir the connected mode of countershaft and the angle of stirring vane, effectively can avoid the generation of mixing inefficient zone, improving concrete quality and stirring efficiency.
Five, establish elastic sealing strip at discharging opening door edge, can prevent from stirring or leakage in cleaning process, ensure that each component proportion of concrete is accurate.
Six, establish controller in the first inside, frame upper end, controlled unlatching or the closedown of control valve on motor operation and water inlet pipe by controller, facilitate operative, in addition control surface controller plate is also provided with flow indication screen, accurately can controls amount of water.
Part is embodied by explanation below by other advantages of the present invention, target and feature, and part also will by research and practice of the present invention by those skilled in the art be understood.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is that the present invention is intake cleaning device structural representation.
Wherein, 1, first frame, 2, second frame, 3, cushion pad, 4, agitator, 5, stir main shaft, 6, first stirs countershaft, 7, second stirs countershaft, 8, 3rd stirs countershaft, 9, 4th stirs countershaft, 10, 5th stirs countershaft, 11, water inlet pipe, 12, drive nozzle, 13, motor, 14, belt pulley jockey, 15, decelerator, 16, first stirring vane, 17, second stirring vane, 18, 3rd stirring vane, 19, charging aperture door, 20, discharging opening door, 21, hand-operated valve, 22, controller, 23, water inlet pipe Part I, 24, water inlet pipe Part II.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
As depicted in figs. 1 and 2, a kind of small-sized concrete mixer of the present invention, comprise frame, it comprises: the first frame 1, and it is placed in ground; Second frame 2, it is placed in above described first frame 1; Cushion pad 3, it is nested in described first frame 1 and described second frame 2 junction; By cushion pad nested between the first frame with the second frame, when mixer uses, certain buffering can be formed to agitator and frame, be conducive to the service life of improving mixer.
Agitating device, it comprises: agitator 4, it comprises integrated upper part and lower part, described upper part is cylindrical, described lower part is hemispherical, the bottom of described agitator 4 is fixed in described second frame 2, and charging aperture is established in its side, top, and bottom it, discharging opening is established in side relative to described charging aperture, shaft, it comprises stirring main shaft 5 and stirs countershaft, described stirring main shaft 5 is vertically arranged in described agitator 4, its one end is connected to make described shaft be fixed on described agitator 4 with described agitator 4 top center point inner, wherein, described stirring countershaft stirs countershaft 6 by first, second stirs countershaft 7, 3rd stirs countershaft 8, 4th stirring countershaft 9 and the 5th stirs countershaft 10 and forms, described 5th stirs countershaft 10 in the arc be bent upwards, described stirring main shaft 5 is connected in the middle part of it, described first stirs countershaft 6 is symmetrical arranged perpendicular to described stirring main shaft 5, second stirring countershaft 7 is arranged at described first stirring countershaft 6 and the described 5th in pairs and stirs between countershaft 10 to make described shaft be fan-shaped, 3rd stirs countershaft 8 and the 4th stirs the both sides that countershaft 9 is arranged in pairs in described stirring main shaft 5, stir between countershaft 10 at described stirring main shaft 5 and the described 5th, multiple stirring vane, described stirring vane and horizontal direction are that 0-90 degree is fixed on described stirring countershaft, stir main shaft by changing and stir the connected mode of countershaft and the angle of stirring vane, effectively can avoid the generation of mixing inefficient zone, improve concrete quality and stirring efficiency.
Power set, it comprises: motor 13, and it is fixed on the top at described agitator 4 top, and it drives described stirring main shaft 5 to rotate by belt pulley jockey 14.
Water inlet cleaning device, it comprises: water inlet pipe 11, it comprises two parts of connection, Part I 23 is annular, its circumferencial direction along described agitator 4 upper part is nested in the inwall of described agitator 4, and Part II 24 is yi word pattern, and its one end is communicated with described Part I, the other end passes outer wall and the ft connection of described agitator 4, and the other end of described water inlet pipe is provided with control valve and flowmeter; Multiple drive nozzle 12, it is disposed on described Part I; By arranging annular water inlet pipe and drive nozzle above agitator, after stirring completes, drive nozzle can be sprayed water from different perspectives, mixer is cleaned, avoid because cleaning not in time, concrete setting, stick on agitator, shaft and stirring vane, cause mixer consumable accessory to damage, service life shortens.
In another technical scheme, described stirring vane comprises the first stirring vane 16, second stirring vane 17 and the 3rd stirring vane 18, and described first stirring vane 16 is horizontally fixed on described second and stirs on countershaft 7; Described second stirring vane 17 and horizontal direction are 45 degree and are fixed on the described 3rd and stir countershaft 8 and the described 4th and stir on countershaft 9; Described 3rd stirring vane 18 is fixed on the described 5th perpendicular to horizontal direction and stirs on countershaft 9; Stirring vane is arranged according to above-mentioned angle, can change concrete in whipping process and flow to, make it fully mix, prevent the generation of mixing inefficient zone.
In another technical scheme, described water inlet pipe Part I establishes 6-18 drive nozzle, and described drive nozzle 12 is 15-75 degree with horizontal direction; Multiple drive nozzle is set, and each drive nozzle and horizontal direction are different angles is spaced at and annular water inlet pipe can guarantees the inner all directions of agitator have current to rinse, agitator are cleaned more thorough, raising cleaning efficiency.
In another technical scheme, described discharging opening establishes discharging opening door 20, and elastic sealing strip is established at described discharging opening door 20 edge, and described discharging opening door 20 one end is hinged on bottom agitator 4, and the other end manually valve 21 is fixed on agitator 4; Arrange discharging opening door easy-unloading, discharging opening door establishes elastic sealing strip can prevent from stirring or leakage in cleaning process, ensures that each component proportion of concrete is accurate.
In another technical scheme, be provided with charging aperture door 19 above described charging aperture, described charging aperture door 19 is hinged on agitator 4 top; Arrange charging aperture door and facilitate charging, charging aperture door and discharging opening door are closed in whipping process, agitator is in closed state simultaneously, effectively can prevent from stirring noise unofficial biography, thus reduce noise.
In another technical scheme, be provided with decelerator 15 between described belt pulley jockey 13 and described stirring main shaft 5, it can reduce rotating speed, increase torque, provides sufficient power to shaft.
In another technical scheme, described first inside, frame upper end is provided with controller, its surface is provided with control panel, described control panel is provided with the first switch and second switch, described first switch controls described motor by controller and runs, described second switch controls described control valve by controller and opens or close, and described control panel is provided with the display screen showing described flowmeter flow; Controller is set and facilitates operative, accurately control amount of water.
Although embodiment of the present invention are open as above, it is not restricted to listed in description and embodiment utilization.It can be applied to various applicable the field of the invention completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. a small-sized concrete mixer, is characterized in that, comprising:
Frame, it comprises:
First frame, it is placed in ground;
Second frame, it is placed in above described first frame;
Cushion pad, it is nested in described first frame and described second frame junction;
Agitating device, it comprises:
Agitator, it comprises integrated upper part and lower part, and described upper part is cylindrical, described lower part is hemispherical, the bottom of described agitator is fixed in described second frame, and charging aperture is established in its side, top, and bottom it, discharging opening is established in side relative to described charging aperture;
Shaft, it comprises stirring main shaft and stirs countershaft, described stirring main shaft is vertically arranged in described agitator, its one end is connected to make described shaft be fixed on described agitator with described agitator top center point inner, wherein, described stirring countershaft stirs countershaft by first, second stirs countershaft, 3rd stirs countershaft, 4th stirs countershaft and the 5th stirs countershaft composition, described 5th stirs countershaft in the arc be bent upwards, described stirring main shaft is connected in the middle part of it, described first stirs countershaft is symmetrical arranged perpendicular to described stirring main shaft, second stirring countershaft is arranged at described first stirring countershaft and the described 5th in pairs and stirs between countershaft to make described shaft be fan-shaped, 3rd stirs countershaft and the 4th stirs the both sides that countershaft is arranged in pairs in described stirring main shaft, stir between countershaft at described stirring main shaft and the described 5th,
Multiple stirring vane, described stirring vane and horizontal direction are that 0-90 degree is fixed on described stirring countershaft;
Power set, it comprises:
Motor, it is fixed on the top at described agitator top, and it drives described stirring main shaft to rotate by belt pulley jockey;
Water inlet cleaning device, it comprises:
Water inlet pipe, it comprises two parts of connection, and Part I is annular, its circumferencial direction along described agitator upper part is nested in the inwall of described agitator, and Part II is yi word pattern, and its one end is communicated with described Part I, the other end passes outer wall and the ft connection of described agitator
The other end of described water inlet pipe is provided with control valve and flowmeter;
Multiple drive nozzle, it is disposed on described Part I.
2. small-sized concrete mixer as claimed in claim 1, it is characterized in that, described stirring vane comprises the first stirring vane, the second stirring vane and the 3rd stirring vane, and described first stirring vane is horizontally fixed on described second and stirs on countershaft; Described second stirring vane and horizontal direction are 45 degree and are fixed on the described 3rd and stir countershaft and the described 4th and stir on countershaft; Described 3rd stirring vane is fixed on the described 5th perpendicular to horizontal direction and stirs on countershaft.
3. small-sized concrete mixer as claimed in claim 2, it is characterized in that, described water inlet pipe Part I establishes 6-18 drive nozzle.
4. small-sized concrete mixer as claimed in claim 3, it is characterized in that, described drive nozzle and horizontal direction are 15-75 degree.
5. small-sized concrete mixer as claimed in claim 4, it is characterized in that, described discharging opening establishes discharging opening door, and elastic sealing strip is established at described discharging opening door edge, described discharging opening door one end is hinged on bottom described agitator, and the other end manually valve is fixed on described agitator.
6. small-sized concrete mixer as claimed in claim 5, it is characterized in that, be provided with charging aperture door above described charging aperture, described charging aperture door hinge is connected on described agitator top.
7. small-sized concrete mixer as claimed in claim 6, is characterized in that, be provided with decelerator between described belt pulley jockey and described stirring main shaft.
8. small-sized concrete mixer as claimed in claim 7, it is characterized in that, described first inside, frame upper end is provided with controller, its surface is provided with control panel, described control panel is provided with the first switch and second switch, described first switch controls described motor by controller and runs, and described second switch controls described control valve by controller and opens or close, and described control panel is provided with the display screen showing described flowmeter flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510872520.6A CN105522650B (en) | 2015-12-02 | 2015-12-02 | A kind of small-sized concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510872520.6A CN105522650B (en) | 2015-12-02 | 2015-12-02 | A kind of small-sized concrete mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105522650A true CN105522650A (en) | 2016-04-27 |
| CN105522650B CN105522650B (en) | 2017-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510872520.6A Active CN105522650B (en) | 2015-12-02 | 2015-12-02 | A kind of small-sized concrete mixer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106000186A (en) * | 2016-07-18 | 2016-10-12 | 成都桐林铸造实业有限公司 | Efficient coating dispersing barrel |
| CN106346606A (en) * | 2016-10-14 | 2017-01-25 | 广西大学 | Constructional engineering concrete mixer |
| CN107283621A (en) * | 2017-08-25 | 2017-10-24 | 曾子强 | A kind of concrete central mix plant |
| CN107972181A (en) * | 2017-10-17 | 2018-05-01 | 重庆工程职业技术学院 | Construction agitating device |
| CN108677958A (en) * | 2018-07-04 | 2018-10-19 | 广西路桥工程集团有限公司 | Store up sizing device |
| CN108858788A (en) * | 2018-06-21 | 2018-11-23 | 衡阳泰源商砼有限公司 | A kind of polymorphic type concrete alternatingly feed device |
| CN110423042A (en) * | 2019-07-30 | 2019-11-08 | 广州建盛建材有限公司 | A kind of Special mortar additive for autoclaved aerated concrete |
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| CN108858788A (en) * | 2018-06-21 | 2018-11-23 | 衡阳泰源商砼有限公司 | A kind of polymorphic type concrete alternatingly feed device |
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| CN110423042A (en) * | 2019-07-30 | 2019-11-08 | 广州建盛建材有限公司 | A kind of Special mortar additive for autoclaved aerated concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105522650B (en) | 2017-10-24 |
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Inventor after: Xu Tongzhu Inventor after: Luo Depeng Inventor after: Liu Huzi Inventor before: Li Liujing |
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Effective date of registration: 20170906 Address after: 441000 Shengli Street, Hubei, Xiangyang, No. 182 Applicant after: The Sixth Construction Co., Ltd. of China National Chemical Engineering Corp. Address before: 536000 the Guangxi Zhuang Autonomous Region Beihai Petrochemical Road Yin Yuan District 24 Applicant before: Li Liujing |
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