CN102329114B - Light-weight brick manufactured by utilizing sludge from sugar house and manufacturing method thereof - Google Patents
Light-weight brick manufactured by utilizing sludge from sugar house and manufacturing method thereof Download PDFInfo
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- CN102329114B CN102329114B CN2011101677129A CN201110167712A CN102329114B CN 102329114 B CN102329114 B CN 102329114B CN 2011101677129 A CN2011101677129 A CN 2011101677129A CN 201110167712 A CN201110167712 A CN 201110167712A CN 102329114 B CN102329114 B CN 102329114B
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- sludge
- parts
- light
- sugar
- sugar house
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- 239000011449 brick Substances 0.000 title claims abstract description 60
- 239000010802 sludge Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 32
- 239000002699 waste material Substances 0.000 claims abstract description 26
- 239000004568 cement Substances 0.000 claims abstract description 24
- 239000010433 feldspar Substances 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000004575 stone Substances 0.000 claims abstract description 5
- 239000003818 cinder Substances 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 27
- 239000010881 fly ash Substances 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 7
- 239000011398 Portland cement Substances 0.000 claims description 6
- 239000010883 coal ash Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 4
- 238000007906 compression Methods 0.000 abstract description 12
- 230000006835 compression Effects 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 abstract 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 1
- 230000036314 physical performance Effects 0.000 abstract 1
- 229940072033 potash Drugs 0.000 abstract 1
- 235000015320 potassium carbonate Nutrition 0.000 abstract 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 abstract 1
- -1 10 parts Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000004043 dyeing Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 238000009747 press moulding Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
Classifications
-
- 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
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the technical field of light-weight bricks, and particularly relates to a light-weight brick manufactured by utilizing sludge from a sugar house and a manufacturing method thereof. The light-weight brick comprises the following raw materials in part by weight: 30-40 parts of the sludge from the sugar house, 30-50 parts of construction rubbish, 20-40 parts of potash feldspar powder, 10-40 parts of pulverized fuel ash and 40-60 parts of cement. The sludge from the sugar house, which is adopted by the light-weight brick, is not necessary to be dehydrated and dried and can be directly used; the energy resources are saved; the cost is low; and the production efficiency is high. The light-weight brick manufactured by the invention has a small shrinkage ratio, a small volume weight, high compression strength and good heat-insulating property, wherein the compression strength is up to 60-120 MPa, and the light-weight brick has the physical performances and the mechanical performances more excellent than those of a general natural stone. In the invention, lots of the construction rubbish, the sludge from the sugar house and the pulverized fuel ash are used; a manufactured product has low cost and high economic benefit; not only can waste be changed into valuable articles, but also the environmental pollution is improved favorably; and the light-weight brick has obvious economic benefit and social benefit.
Description
Technical field
The invention belongs to the light cinder brick technical field, relate in particular to a kind of light cinder brick and manufacture method thereof of utilizing sludge from sugar house to make.
Background technology
The brick that building trade is used is mostly to form by firing after the briquetting press moulding after stirring with clay and other subsidiary material, and this brick is heavier when building a wall, effort when building a wall, and wall sound insulation, insulation, the shockproof effect of this brick one-tenth are poor simultaneously, and anti-seismic performance is low.Simultaneously, need be with a large amount of clays owing to making raw material, thus destruction natural resources and the eubiosis.
Along with the development of science and technology, some new ashes, Haydite bricks have appearred, a kind of light-weight energy-saving thermal insulating brick is disclosed as Chinese invention patent application 200910027910.8, by following raw materials in part by weight, through mixing, making after extrusion molding, maintenance, described raw material is: thick slag 20-40 part low in calories, flyash 20-30 part, desulfurated plaster 5-20 part, heat-preserving ceramsite 10-30 part, lignocellulose 1-5 part, cement 10-20 part, quartz sand 5-15 part, water is appropriate.Chinese invention patent application 200910117099.2 discloses a kind of manufacture method of anti-seismic light wall body brick, be with shale (clay), haydite, coal ore, (haydite accounts for 60%-70% to sawdust powder by a certain percentage, shale accounts for 15%-20%, coal ore accounts for 7.5%-10%, sawdust powder accounts for 7.5%-10%) add and squeeze type after water stirs and be pressed into the rectangular parallelepiped fragment of brick, the rectangular parallelepiped fragment of brick is carried out the sintering kiln discharge at the temperature of 900 ℃-1300 ℃.
Although the raw material that above brick adopts has been saved a large amount of clays, destruction natural resources and the eubiosis have been avoided, but its shrinking percentage, unit weight, ultimate compression strength, heat-insulating property are not significantly improved, particularly ultimate compression strength does not reach again requirement far away, can not be applied to the occasion high to pouring.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, and a kind of light cinder brick that utilizes sludge from sugar house to make is provided, this light cinder brick shrinking percentage is little, unit weight is little, ultimate compression strength is high, good heat insulating.
Another object of the present invention is to provide a kind of manufacture method of utilizing the light cinder brick of sludge from sugar house manufacturing, sludge from sugar house need not to dewater and drying treatment, directly uses to get final product, and production efficiency is high, and cost is low.
The present invention is achieved through technology.
A kind of light cinder brick that utilizes sludge from sugar house to make, it comprises the raw material of following weight part:
Sludge from sugar house 30-40 part
Building waste 30-50 part
Feldspar in powder 20-40 part
Flyash 10-40 part
Cement 40-60 part.
Preferably, it comprises the raw material of following weight part:
Sludge from sugar house 30-35 part
Building waste 30-40 part
Feldspar in powder 20-30 part
Flyash 10-30 part
Cement 40-50 part.
More preferred, it comprises the raw material of following weight part:
35 parts of sludge from sugar houses
35 parts of building wastes
30 parts of feldspars in powder
20 parts, flyash
45 parts of cement.
Wherein, described building waste be brick, watt, one or more in stone, soil and concrete blocks mix in any proportion.
Wherein, the particle diameter of described feldspar in powder is below 100 orders.
Wherein, described flyash is the desulfurized powder coal ash.
Wherein, described cement is ordinary Portland cement.
A kind of manufacture method of utilizing the light cinder brick of sludge from sugar house manufacturing, it comprises the following steps:
A, the building waste of above-mentioned formula ratio is crushed to below 200 orders, mixes rear granulation with sludge from sugar house, the feldspar in powder of above-mentioned formula ratio, at 1150-1500 ℃ of roasting 20-120 minute, obtain roasting particle after cooling;
B, the roasting particle that step a is obtained and cement and the flyash of above-mentioned formula ratio stir in stirrer, obtain mixture;
C, add the water that accounts for step b mixture 5%-20% weight percent to continue to be stirred to evenly, obtain stand-by mixture;
D, the stand-by mixture that step c is obtained add extrusion molding in model, the demoulding and maintenance, obtain a kind of light cinder brick that utilizes sludge from sugar house to make.
Wherein, also can add a kind of or several arbitrarily in pigment, river sand or concrete admixture in described step b, can add in right amount according to demand.
Beneficial effect of the present invention is:
(1) sludge from sugar house in raw material contains a large amount of organic compositions, produce disconnected space in roasting particle, and finally reduce the unit weight of light cinder brick, flyash in raw material also plays the purpose that reduces light cinder brick unit weight, building waste in raw material and feldspar in powder improve roasting particle intensity, thereby have increased the ultimate compression strength of light cinder brick.The light cinder brick shrinking percentage that the present invention makes is little, unit weight is little, ultimate compression strength is high, good heat insulating, and wherein ultimate compression strength up to 60-120MPa, has more good physical and mechanical property than general natural rock;
(2) the present invention uses a large amount of building wastes, sludge from sugar house and flyash, the product cost that makes is low, economic benefit is high, not only can turn waste into wealth, and be conducive to improve environmental pollution, meet innoxious, minimizing and the resource utilization principle of China's solid waste disposal, have significant economic benefit and social benefit;
(3) sludge from sugar house of the present invention's employing need not to dewater and drying treatment, directly uses to get final product, and saves the energy, and cost is low, and production efficiency is high.
Embodiment
The present invention is further illustrated with specific embodiment for the below, but the present invention is not subjected to the restriction of following embodiment.
Embodiment 1
A kind of light cinder brick that utilizes sludge from sugar house to make, it comprises the raw material of following weight part: 30 parts of sludge from sugar houses, 30 parts of building wastes, 20 parts of feldspars in powder, 10 parts, flyash, 40 parts of cement.
Building waste is taken from the construction site, Dongguan, is mainly 5 parts of bricks, 20 parts of soil 5 parts and concrete blockss.
Sludge from sugar house is taken from Dongguan printing and dyeing mill.
The particle diameter of feldspar in powder is below 100 orders.
Flyash is the desulfurized powder coal ash.
Cement is ordinary Portland cement.
A kind of manufacture method of utilizing the light cinder brick of sludge from sugar house manufacturing, it comprises the following steps:
A, the building waste of above-mentioned formula ratio is crushed to below 200 orders, mixes rear granulation with sludge from sugar house, the feldspar in powder of above-mentioned formula ratio, 1150 ℃ of roastings 20 minutes, obtain roasting particle after cooling;
B, the roasting particle that step a is obtained and cement and the flyash of above-mentioned formula ratio stir in stirrer, obtain mixture;
C, add the water that accounts for step b mixture 5% weight percent to continue to be stirred to evenly, obtain stand-by mixture;
D, the stand-by mixture that step c is obtained add extrusion molding, the demoulding and the maintenance of adopting routine in model, obtain a kind of light cinder brick that utilizes sludge from sugar house to make.
Use the prepared light cinder brick of technical scheme of the present embodiment, ultimate compression strength is 61MPa, heat transfer coefficient 0.82w/ (m
2K), unit weight is 360kg/m
3Drying shrinkage 0.036%.
Embodiment 2
A kind of light cinder brick that utilizes sludge from sugar house to make, it comprises the raw material of following weight part: 35 parts of sludge from sugar houses, 50 parts of building wastes, 35 parts of feldspars in powder, 10 parts, flyash, 60 parts of cement.
Sludge from sugar house is taken from Dongguan printing and dyeing mill.
Building waste is taken from construction site, Shenzhen, is mainly 5 parts of brick 10 part, watts, 5 parts, stone, 30 parts of concrete blockss.
The particle diameter of feldspar in powder is below 100 orders.
Flyash is the desulfurized powder coal ash.
Cement is ordinary Portland cement.
A kind of manufacture method of utilizing the light cinder brick of sludge from sugar house manufacturing, it comprises the following steps:
A, the building waste of above-mentioned formula ratio is crushed to below 200 orders, mixes rear granulation with sludge from sugar house, the feldspar in powder of above-mentioned formula ratio, 1250 ℃ of roastings 40 minutes, obtain roasting particle after cooling;
B, the roasting particle that step a is obtained and cement and the flyash of above-mentioned formula ratio stir in stirrer, obtain mixture;
C, add the water that accounts for step b mixture 15% weight percent to continue to be stirred to evenly, obtain stand-by mixture;
D, the stand-by mixture that step c is obtained add extrusion molding in model, the demoulding and maintenance, obtain a kind of light cinder brick that utilizes sludge from sugar house to make.
Use the prepared light cinder brick of technical scheme of the present embodiment, ultimate compression strength is 82MPa, heat transfer coefficient 0.72w/ (m
2K), unit weight is 310kg/m
3Drying shrinkage 0.039%.
Embodiment 3
A kind of light cinder brick that utilizes sludge from sugar house to make, it comprises the raw material of following weight part: 35 parts of sludge from sugar houses, 35 parts of building wastes, 30 parts of feldspars in powder, 20 parts, flyash, 45 parts of cement.
Sludge from sugar house is taken from Dongguan printing and dyeing mill.
Building waste is taken from the construction site, Guangzhou, is mainly 20 parts of 5 parts of bricks, 5 parts, stone, 5 parts, soil and concrete blockss.
The particle diameter of feldspar in powder is below 100 orders.
Flyash is the desulfurized powder coal ash.
Cement is ordinary Portland cement.
A kind of manufacture method of utilizing the light cinder brick of sludge from sugar house manufacturing, it comprises the following steps:
A, the building waste of above-mentioned formula ratio is crushed to below 200 orders, mixes rear granulation with sludge from sugar house, the feldspar in powder of above-mentioned formula ratio, 1400 ℃ of roastings 100 minutes, obtain roasting particle after cooling;
B, the roasting particle that step a is obtained and cement and the flyash of above-mentioned formula ratio stir in stirrer, obtain mixture;
C, add the water that accounts for step b mixture 18% weight percent to continue to be stirred to evenly, obtain stand-by mixture;
D, the stand-by mixture that step c is obtained add extrusion molding in model, the demoulding and maintenance, obtain a kind of light cinder brick that utilizes sludge from sugar house to make.
Use the prepared light cinder brick of technical scheme of the present embodiment, ultimate compression strength is 120MPa, heat transfer coefficient 0.85w/ (m
2K), unit weight is 370kg/m
3Drying shrinkage 0.036%.
Embodiment 4
A kind of light cinder brick that utilizes sludge from sugar house to make, it comprises the raw material of following weight part: 40 parts of sludge from sugar houses, 30 parts of building wastes, 40 parts of feldspars in powder, 40 parts, flyash, 40 parts of cement.
Building waste is taken from the construction site, Dongguan, comprises 30 parts of concrete blockss.
Sludge from sugar house is taken from Dongguan printing and dyeing mill.
The particle diameter of feldspar in powder is below 100 orders.
Flyash is the desulfurized powder coal ash.
Cement is ordinary Portland cement.
A kind of manufacture method of utilizing the light cinder brick of sludge from sugar house manufacturing, it comprises the following steps:
A, the building waste of above-mentioned formula ratio is crushed to below 200 orders, mixes rear granulation with sludge from sugar house, the feldspar in powder of above-mentioned formula ratio, 1500 ℃ of roastings 120 minutes, obtain roasting particle after cooling;
B, the roasting particle that step a is obtained and cement and the flyash of above-mentioned formula ratio stir in stirrer, obtain mixture;
C, add the water that accounts for step b mixture 20% weight percent to continue to be stirred to evenly, obtain stand-by mixture;
D, the stand-by mixture that step c is obtained add extrusion molding in model, the demoulding and maintenance, obtain a kind of light cinder brick that utilizes sludge from sugar house to make.
Use the prepared light cinder brick of technical scheme of the present embodiment, ultimate compression strength is 100MPa, heat transfer coefficient 0.69w/ (m
2K), unit weight is 330kg/m
3Drying shrinkage 0.040%.
The above embodiment, it is better embodiment of the present invention, be not to limit the scope of the present invention, therefore all equivalences of doing according to the described structure of the present patent application the scope of the claims, feature and principle change or modify, all should comprise in patent claim of the present invention.
Claims (7)
1. light cinder brick that utilizes sludge from sugar house to make, it is characterized in that: it comprises the raw material of following weight part:
Sludge from sugar house 30-40 part
Building waste 30-50 part
Feldspar in powder 20-40 part
Flyash 10-40 part
Cement 40-60 part,
Utilize the manufacture method of the light cinder brick of sludge from sugar house manufacturing, it comprises the following steps:
A, the building waste of above-mentioned formula ratio is crushed to below 200 orders, mixes rear granulation with sludge from sugar house, the feldspar in powder of above-mentioned formula ratio, at 1150-1500 ℃ of roasting 20-120 minute, obtain roasting particle after cooling;
B, the roasting particle that step a is obtained and cement and the flyash of above-mentioned formula ratio stir in stirrer, obtain mixture;
C, add the water that accounts for step b mixture 5%-20% weight percent to continue to be stirred to evenly, obtain stand-by mixture;
D, the stand-by mixture that step c is obtained add extrusion molding in model, the demoulding and maintenance, obtain a kind of light cinder brick that utilizes sludge from sugar house to make.
2. a kind of light cinder brick that utilizes sludge from sugar house to make according to claim 1, it is characterized in that: it comprises the raw material of following weight part:
Sludge from sugar house 30-35 part
Building waste 30-40 part
Feldspar in powder 20-30 part
Flyash 10-30 part
Cement 40-50 part.
3. a kind of light cinder brick that utilizes sludge from sugar house to make according to claim 2, it is characterized in that: it comprises the raw material of following weight part:
35 parts of sludge from sugar houses
35 parts of building wastes
30 parts of feldspars in powder
20 parts, flyash
45 parts of cement.
4. the described a kind of light cinder brick that utilizes sludge from sugar house to make of according to claim 1-3 any one is characterized in that: described building waste be brick, watt, one or more in stone, soil and concrete blocks mix in any proportion.
5. the described a kind of light cinder brick that utilizes sludge from sugar house to make of according to claim 1-3 any one, it is characterized in that: the particle diameter of described feldspar in powder is below 100 orders.
6. the described a kind of light cinder brick that utilizes sludge from sugar house to make of according to claim 1-3 any one, it is characterized in that: described flyash is the desulfurized powder coal ash.
7. the described a kind of light cinder brick that utilizes sludge from sugar house to make of according to claim 1-3 any one, it is characterized in that: described cement is ordinary Portland cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101677129A CN102329114B (en) | 2011-06-21 | 2011-06-21 | Light-weight brick manufactured by utilizing sludge from sugar house and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101677129A CN102329114B (en) | 2011-06-21 | 2011-06-21 | Light-weight brick manufactured by utilizing sludge from sugar house and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102329114A CN102329114A (en) | 2012-01-25 |
| CN102329114B true CN102329114B (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101677129A Expired - Fee Related CN102329114B (en) | 2011-06-21 | 2011-06-21 | Light-weight brick manufactured by utilizing sludge from sugar house and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN102329114B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132483B (en) * | 2013-01-31 | 2015-06-10 | 广东源盛生态环保科技有限公司 | Light brick capable of purifying water quality |
| CN107188604A (en) * | 2017-06-20 | 2017-09-22 | 合肥尚涵装饰工程有限公司 | A kind of light-weight brick and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844014A (en) * | 2006-04-29 | 2006-10-11 | 中国地质大学（北京） | High-intensity corrosion-proof chimney lining brick made by mullite and method for manufacturing the same |
| CN101519292A (en) * | 2009-01-15 | 2009-09-02 | 梁林华 | Grey brick mechanically manufactured from lime sludge and construction wastes and method for manufacturing same |
-
2011
- 2011-06-21 CN CN2011101677129A patent/CN102329114B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844014A (en) * | 2006-04-29 | 2006-10-11 | 中国地质大学（北京） | High-intensity corrosion-proof chimney lining brick made by mullite and method for manufacturing the same |
| CN101519292A (en) * | 2009-01-15 | 2009-09-02 | 梁林华 | Grey brick mechanically manufactured from lime sludge and construction wastes and method for manufacturing same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102329114A (en) | 2012-01-25 |
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Effective date of registration: 20140509 Address after: 523000 Guangdong city of Dongguan Province Hong Mei Zhen Hong Wu Wo Cun Guangdong Yuansheng ecological environmental protection science and technology limited company Patentee after: GUANGDONG YUANSHENG ECOLOGICAL ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Address before: 523000 Guangdong city of Dongguan Province Hong Mei Town Yingbin Road No. three West Dongguan Bao source of Real Estate Development Company Limited Patentee before: Dongguan Baoyuanda Real Estate Development Co.,Ltd. |
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Address after: Hong Mei Zhen Hong Wu Wo Cun 523000 Guangdong city of Dongguan Province Patentee after: Guangdong spring ecological science and Technology Group Co.,Ltd. Address before: 523000 Guangdong city of Dongguan Province Hong Mei Zhen Hong Wu Wo Cun Guangdong Yuansheng ecological environmental protection science and technology limited company Patentee before: GUANGDONG YUANSHENG ECOLOGICAL ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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