CN103722620B - A kind of device of the heterogeneous continuous stirring of gravity type of light-weight aggregate thermal insulation goods - Google Patents
A kind of device of the heterogeneous continuous stirring of gravity type of light-weight aggregate thermal insulation goods Download PDFInfo
- Publication number
- CN103722620B CN103722620B CN201310658942.4A CN201310658942A CN103722620B CN 103722620 B CN103722620 B CN 103722620B CN 201310658942 A CN201310658942 A CN 201310658942A CN 103722620 B CN103722620 B CN 103722620B
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- CN
- China
- Prior art keywords
- mixing drum
- light
- weight aggregate
- feed bin
- thermal insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003756 stirring Methods 0.000 title claims abstract description 59
- 238000009413 insulation Methods 0.000 title claims abstract description 16
- 230000005484 gravity Effects 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 9
- 239000006185 dispersion Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000012615 aggregate Substances 0.000 description 42
- 238000000034 method Methods 0.000 description 15
- 239000004570 mortar (masonry) Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- 230000000996 additive effect Effects 0.000 description 7
- 239000004568 cement Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 235000019362 perlite Nutrition 0.000 description 3
- 239000010451 perlite Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003475 lamination Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 210000002257 embryonic structure Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000000007 visual effect Effects 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
-
- 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
- B28C5/0862—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
- 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
- B28C7/0404—Proportioning
- B28C7/0418—Proportioning control systems therefor
Abstract
The present invention relates to a kind of device of the heterogeneous continuous stirring of gravity type of light-weight aggregate thermal insulation goods, comprise mixing drum and feed bin, the side of described mixing drum is furnished with feed bin, the discharging opening of feed bin is towards the opening part of mixing drum, the shaft core position of described mixing drum is equipped with liquid line, the jet of liquid line aims at mixing drum inside, the middle part cylindrical of described mixing drum is evenly equipped with some buckets, the arranged beneath of mixing drum has hopper, some buckets are corresponding with the position of hopper, one end of described hopper connects the powder material warehouse being positioned at mixing drum side, described mixing drum inside is evenly equipped with some horizontal deflectors, bottom mixing drum, travelling gear is housed.The present invention can make the raw material of number of different types light-weight aggregate goods stir in order, unify, complete in an agitator consistently, both ensure that the dispersion of material, mixing energy high uniformity, has not destroyed light-weight aggregate, can ensure again the continous-stable of mixing quality; Save energy consumption, reduce maintenance capacity, operational ton.
Description
Technical field
The invention belongs to mixed stirring device field, particularly relate to a kind of device of the heterogeneous continuous stirring of gravity type of light-weight aggregate thermal insulation goods.
Background technology
Being uniformly mixed is conventional process means prepared by construction material mixing of materials, applies very general.Particularly after inorganic light-weight aggregate thermal insulation dry powder and mortar and inorganic light-weight aggregate thermal insulation plate emerge, it all includes in producing and adopts stirring means to make the mixed uniformly technique of various material, has very high requirement to the uniformity of material stirring and stability.At present, conventional agitating mode can be classified as 2 kinds: one is exactly once stir, and namely all raw materials mix stirring, once complete, time saving and energy saving but mixing effect is not good; Another kind is then Multi-stage stirring, and a kind of material is just added in each stirring until last all materials have added, and stirs the high process of homogeneity loaded down with trivial details although last.And being uniformly mixed between the liquid that the whipping process of inorganic light-weight aggregate goods usually relates to powder, solid, different viscosities, rely on the equipment being commonly used to stir solid article can there is considerable problem.
First, according to existing stirring technique and equipment, no matter disposable stirring or Multi-stage stirring, because the unit weight of light-weight aggregate and other raw materials differs greatly, so occur that in storage, stirring and discharging process sluggishness just has lamination and produces a little, mixed material stability is difficult to ensure; Secondly, if there is liquid, solid and powder in whipping process simultaneously, reuniting easily appears in powder, dispersed variation, makes to stir rear material volume weight difference in distribution large, and often uses thickener in raw material, can material viscosity be improved, more make the powder self once stirred to mix; Again, because bulky aggregate and the little powder volume differences 30 ~ 60 times of volume in inorganic light-weight aggregate thermal insulation board raw material, and light-weight aggregate aggregate mostly is the bulky grain with pore structure, it is inner that powder easily enters light-weight aggregate aggregate, cannot reach in the outside effect effectively adhered to of lightweight aggregate; Finally, light-weight aggregate thermal insulation aggregate is the frangible solid particle of a kind of lightweight, poor stability, the too high or long fragmentation that all can cause light-weight aggregate of mixing time of stirring intensity.
Except the problem that the characteristic of light-weight aggregate itself is brought, existing stirring technique continuity is not strong also can bring problem for stirring result.Because no matter be once stir and Multi-stage stirring, it is all the circulation of charging-stirring-discharging-charging again, once stir and only have one batch, batch and batch between material uniformity and stability there will be all unavoidably and fluctuate and difference, the performance of goods finally can be caused to occur fluctuation.
Prior art proposes to open charge door on storage tank tank body top, and inside adds oral siphon, installs mixing plant in bottom pyramidal discharge outlet.This device, for the stirring of light-weight aggregate goods, has many problems.The first, its agitating mode is just not suitable for light-weight aggregate goods, because light-weight aggregate itself is frangible, so gravity type can only be used to stir, light-weight aggregate can all blend by the forced action type stirring of this patent, obviously undesirable; The second, light-weight aggregate and other material densities differ greatly, and there will be obvious lamination at this storage tank; 3rd, it can not add other raw materials while stirring in stirring; 4th, whole whipping process is the equal of once stir, for the light-weight aggregate goods stirring technique having liquid, powder, solid material simultaneously, and lack of uniformity, mixing quality fluctuation is too large; 5th, amount of agitation is little, and the rear step operation for light-weight aggregate goods has very large restriction.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of device of the heterogeneous continuous stirring of gravity type of light-weight aggregate thermal insulation goods, the technical problem uneven, mixing quality is unstable is stirred with the various materials solving light-weight aggregate thermal insulation goods, the raw material of number of different types light-weight aggregate goods is made to stir in order, unify, complete in an agitator consistently, both the dispersion of material, mixing high uniformity had been ensure that, do not destroy light-weight aggregate, ensure that the continous-stable of mixing quality simultaneously.
The technical solution adopted for the present invention to solve the technical problems is: the device providing the heterogeneous continuous stirring of a kind of gravity type of light-weight aggregate thermal insulation goods, comprise mixing drum and feed bin, the side of described mixing drum is furnished with feed bin, the discharging opening of feed bin is towards the opening part of mixing drum, the shaft core position of described mixing drum is equipped with liquid line, the jet of liquid line aims at mixing drum inside, the cylindrical of described mixing drum is evenly equipped with some buckets, the arranged beneath of mixing drum has hopper, some buckets are corresponding with the position of hopper, one end of described hopper connects the powder material warehouse being positioned at mixing drum side, described mixing drum inside is evenly equipped with some deflectors, bottom mixing drum, travelling gear is housed.
Described mixing drum and ground are 3 ~ 5 degree of slant settings, make compound one end from mixing drum under the guiding of deflector be transported to the other end.
Meter is equipped with, in order to control material addition in the bottom of the import of described liquid line, feed bin and powder material warehouse.
Described meter connects computer by sensor.
Beneficial effect
Owing to adopting technique scheme, the present invention compared with prior art, has following advantage and good effect:
This device can make the raw material of number of different types light-weight aggregate goods stir in order, unify, complete in an agitator consistently, both ensure that the dispersion of material, mixing energy high uniformity, has not destroyed light-weight aggregate, can ensure again the continous-stable of mixing quality; Can energy consumption be saved, reduce maintenance capacity, operational ton, alleviate government pressure.
Accompanying drawing explanation
Fig. 1 is this device lateral schematic diagram.
Fig. 2 is the radial schematic diagram of this device.
Fig. 3 is this device stirring region distribution schematic diagram.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
As shown in Figure 1-2, a kind of device of the heterogeneous continuous stirring of gravity type of light-weight aggregate thermal insulation goods, comprise mixing drum 2 and feed bin 1, the side of described mixing drum 2 is furnished with feed bin 1, the discharging opening of feed bin 1 is towards the opening part of mixing drum 2, the shaft core position of described mixing drum 2 one end is equipped with liquid line 4, the jet of liquid line 4 aims at mixing drum 2 inside, the cylindrical of described mixing drum 2 is evenly equipped with some buckets 3, the arranged beneath of mixing drum 2 has hopper 5, some buckets 3 are corresponding with the position of hopper 5, one end of described hopper 5 connects the powder material warehouse 7 being positioned at mixing drum 2 side, described mixing drum 2 inside is evenly equipped with some deflectors 8, travelling gear 6 is housed bottom mixing drum 2.
Described mixing drum 2 is 3 ~ 5 degree of slant settings with ground, makes compound be transported to the other end from one end of mixing drum 2 under the guiding of deflector 8.
Meter is equipped with, in order to control material addition in the bottom of the import of described liquid line 4, feed bin 1 and powder material warehouse 7.
Described meter connects computer by sensor.
It is worth mentioning that, the use procedure of this device is for the whipping process of inorganic light-weight aggregate fireproof heated board.The raw material stirred has bulk density 60 ~ 100kg/m
3inorganic light-weight aggregate, cement flour, super-fine silicon micro-powder, modified additive powder, water, emulsion, modified additive liquid, relate to the stirring that multiple not jljl is alternate.Inorganic light-weight aggregate puts into mixing drum through metering from feed bin, be spilled into water in liquid line, make frangible light-weight aggregate carry out pre-wetted, significantly can reduce the broken situation in follow-up stirring, can promote that again material is in the attachment on its surface thereafter, this whipping process completes in the region I shown in Fig. 3.After the stirring material in region I enters the region II shown in Fig. 3, powder material warehouse is put into cement flour, super-fine silicon micro-powder and modified additive powder mixture in hopper by bucket, along with the rotation of mixing drum is scooped into mixing drum, carry out the stirring of moistening light-weight aggregate and 3 kinds of powder materials; Wherein slidable adjustment can be carried out by slide rail in the position of bucket, to adapt to the requirement of stirring technique time.After the stirring material in region II enters the region III shown in Fig. 3, liquid line with jet adds emulsion and modified additive liquid with Sprayable, together add with the form of biexhaust pipe, so carry out the three-phase stirring of light-weight aggregate, powder and liquid, complete be uniformly mixed operation until finally go out mixing drum.
Embodiment 1
Be 60kg/m by bulk density
3expanded perlite, cement flour, super-fine silicon micro-powder, modified additive powder, water, emulsion, modified additive liquid join in the continuous agitating device of gravity type multi-phase material of the present invention by step, material is adjusted to 4min from the time being fed to discharging, continuous stirring 200L expanded perlite, stirring obtaining the light-weight aggregate plate idiosome that product is pressed into 600mm × 300mm × 50mm specification, utilizing traditional agitating device to prepare the light-weight aggregate plate idiosome of equal number simultaneously.Compared with the goods idiosome obtained with traditional agitating device, the material color and luster that the present invention stirs out is more even, there is no any stain.Two embryos are recuperated after protecting drying, intensity test is done to it.The light-weight aggregate plate that the present invention stirs out, not only the light-weight aggregate plate hight about 10% that stirs than conventional apparatus of intensity, and intralamellar part intensity distribution is very even.
Embodiment 2
By 100kg/m
3expanded perlite, cement, latex powder, modified additive powder join in the continuous agitating device of gravity type multi-phase material of the present invention by step, material is adjusted to 4min from the time being fed to discharging, 30d is produced in continuous stirring, to product be stirred---dry powder and mortar, by the packing of 20L/ bag specification, utilizes traditional agitating device to prepare the goods of equal number simultaneously.Place after 1 day, the dry powder and mortar of packaging bag upper and lower is carried out density measure, found that: the dry powder and mortar adopting the present invention to stir only has 7% in packaging bag top density and bottom density fluctuation amplitude, and the fluctuating range of the dry powder and mortar adopting conventional apparatus to stir is 15%.Another test dry powder and mortar between Different Package bag being carried out bulk density, finds: the fluctuating range of the dry powder and mortar density adopting the present invention to stir is within 10%, and the density fluctuation amplitude of the dry powder and mortar adopting traditional agitating device to prepare is up to 30%.Demonstrate the uniformity and stability that device that gravity type multi-phase material of the present invention stirs continuously can improve dry powder and mortar these visual results.
Claims (4)
1. the device of the heterogeneous continuous stirring of the gravity type of light-weight aggregate thermal insulation goods, comprise mixing drum (2) and feed bin (1), it is characterized in that: the side of described mixing drum (2) is furnished with feed bin (1), the discharging opening of feed bin (1) is towards the opening part of mixing drum (2), liquid line (4) shaft core position of described mixing drum (2) is equipped with, the jet of liquid line (4) aims at mixing drum (2) inside, the middle part cylindrical of described mixing drum (2) is evenly equipped with some buckets (3), the arranged beneath of mixing drum (2) has hopper (5), some buckets (3) are corresponding with the position of hopper (5), one end of described hopper (5) connects the powder material warehouse (7) being positioned at mixing drum (2) side, described mixing drum (2) inside is evenly equipped with some deflectors (8), travelling gear (6) is equipped with in mixing drum (2) bottom.
2. the device of the heterogeneous continuous stirring of the gravity type of light-weight aggregate thermal insulation goods according to claim 1, it is characterized in that: described mixing drum (2) and ground are 3 ~ 5 degree of slant settings, make compound be transported to the other end from one end of mixing drum (2) under the guiding of deflector (8).
3. the device of the heterogeneous continuous stirring of the gravity type of light-weight aggregate thermal insulation goods according to claim 1, is characterized in that: meter is equipped with, in order to control material addition in the bottom of the import of described liquid line (4), feed bin (1) and powder material warehouse (7).
4. the device of the heterogeneous continuous stirring of the gravity type of light-weight aggregate thermal insulation goods according to claim 3, is characterized in that: described meter connects computer by sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658942.4A CN103722620B (en) | 2013-12-06 | 2013-12-06 | A kind of device of the heterogeneous continuous stirring of gravity type of light-weight aggregate thermal insulation goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658942.4A CN103722620B (en) | 2013-12-06 | 2013-12-06 | A kind of device of the heterogeneous continuous stirring of gravity type of light-weight aggregate thermal insulation goods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103722620A CN103722620A (en) | 2014-04-16 |
| CN103722620B true CN103722620B (en) | 2016-03-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310658942.4A Expired - Fee Related CN103722620B (en) | 2013-12-06 | 2013-12-06 | A kind of device of the heterogeneous continuous stirring of gravity type of light-weight aggregate thermal insulation goods |
Country Status (1)
| Country | Link |
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| CN (1) | CN103722620B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150100A (en) * | 2015-04-23 | 2016-11-23 | 北京金隅砂浆有限公司 | A kind of mechanized construction method of ground cushion light mortar |
| CN106738313A (en) * | 2016-11-29 | 2017-05-31 | 中国建筑科学研究院建筑机械化研究分院 | The method that light thermal-insulating component is prepared using aglite |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4585353A (en) * | 1983-03-26 | 1986-04-29 | Schoenhausen Horst Dr | Apparatus for the preparation and application in situ of blends of structural material |
| CN85109424A (en) * | 1984-12-28 | 1986-06-10 | 弗里德里克-威尔·施温 | Be used for building materials, especially concrete employing countercurrent discharge formula Mixer Truck |
| US5705239A (en) * | 1992-08-11 | 1998-01-06 | E. Khashoggi Industries | Molded articles having an inorganically filled organic polymer matrix |
| US5893639A (en) * | 1996-06-26 | 1999-04-13 | Blend S.R.L. | Apparatus for producing and simulataneously distributing cement mixes and the like |
| CN2710867Y (en) * | 2004-04-16 | 2005-07-20 | 何其双 | Single shaft agitator |
| CN101081528A (en) * | 2006-06-02 | 2007-12-05 | 萱场工业株式会社 | Concrete agitating drum driving device |
| CN101148070A (en) * | 2006-12-31 | 2008-03-26 | 三一重工股份有限公司 | Mortar stirring device |
| CN101352894A (en) * | 2008-07-08 | 2009-01-28 | 贾铭铭 | High-speed stirring-squeezing trolley |
| CN101570039A (en) * | 2008-04-29 | 2009-11-04 | 孙元斌 | Concrete mixer |
| CN103101115A (en) * | 2012-12-12 | 2013-05-15 | 常州市立威刀具有限公司 | Pushing machine with automatic concrete stirring device |
-
2013
- 2013-12-06 CN CN201310658942.4A patent/CN103722620B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4585353A (en) * | 1983-03-26 | 1986-04-29 | Schoenhausen Horst Dr | Apparatus for the preparation and application in situ of blends of structural material |
| CN85109424A (en) * | 1984-12-28 | 1986-06-10 | 弗里德里克-威尔·施温 | Be used for building materials, especially concrete employing countercurrent discharge formula Mixer Truck |
| US5705239A (en) * | 1992-08-11 | 1998-01-06 | E. Khashoggi Industries | Molded articles having an inorganically filled organic polymer matrix |
| US5893639A (en) * | 1996-06-26 | 1999-04-13 | Blend S.R.L. | Apparatus for producing and simulataneously distributing cement mixes and the like |
| CN2710867Y (en) * | 2004-04-16 | 2005-07-20 | 何其双 | Single shaft agitator |
| CN101081528A (en) * | 2006-06-02 | 2007-12-05 | 萱场工业株式会社 | Concrete agitating drum driving device |
| CN101148070A (en) * | 2006-12-31 | 2008-03-26 | 三一重工股份有限公司 | Mortar stirring device |
| CN101570039A (en) * | 2008-04-29 | 2009-11-04 | 孙元斌 | Concrete mixer |
| CN101352894A (en) * | 2008-07-08 | 2009-01-28 | 贾铭铭 | High-speed stirring-squeezing trolley |
| CN103101115A (en) * | 2012-12-12 | 2013-05-15 | 常州市立威刀具有限公司 | Pushing machine with automatic concrete stirring device |
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| Publication number | Publication date |
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| CN103722620A (en) | 2014-04-16 |
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Effective date of registration: 20210721 Address after: 464000 Shangtianti nonmetallic mine management zone, Xinyang City, Henan Province Patentee after: Henan Rongshan New Material Co.,Ltd. Address before: 315899 No. 68, Huanghai Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO LONGSHAN ADVANCED MATERIALS Co.,Ltd. |
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