CN108585658A - It is a kind of to utilize the energy-saving and heat-insulating material and preparation method thereof for discarding tealeaf residue preparation - Google Patents
It is a kind of to utilize the energy-saving and heat-insulating material and preparation method thereof for discarding tealeaf residue preparation Download PDFInfo
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- CN108585658A CN108585658A CN201810466673.4A CN201810466673A CN108585658A CN 108585658 A CN108585658 A CN 108585658A CN 201810466673 A CN201810466673 A CN 201810466673A CN 108585658 A CN108585658 A CN 108585658A
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- tealeaf residue
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- itaconic acid
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2092—Resistance against biological degradation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The energy-saving and heat-insulating material and preparation method thereof for discarding tealeaf residue preparation is utilized the invention discloses a kind of.The energy-saving and heat-insulating material includes the raw material of following parts by weight：15 23 parts of cement, discarded 30 42 parts of tealeaf residue, 12 17 parts of itaconic acid, 7 10 parts of poly (sodium 4-styrenesulfonate), 8 12 parts of ethylene diamine tetra methylene phosphonic acid sodium, 14 18 parts of polysilicate aluminum ferric chloride, 85 150 parts of water.The energy-saving and heat-insulating material of the present invention has many advantages, such as that good heat insulation effect, Escherichia coli good anti-bacterial effect, staphylococcus aureus good anti-bacterial effect, excellent flame retardancy, high mechanical strength, water-fast intensity are high；And by optimizing preparation process, the quality of product can be effectively improved, there is preferable economic value and social value.
Description
Technical field
The present invention relates to a kind of thermal insulation material, it is specifically a kind of using discard tealeaf residue prepare energy-saving and heat-insulating material and its
Preparation method.
Background technology
Common heat preserving and insulating material, inorganic material has expanded perlite, air entrained concrete, rock wool, mineral wool etc., organic
Material has polystyrene foam plastics, polyurethane foam plastics etc..The quality of these material insulation efficiency, mainly by material
The height (its index is by thermal coefficient) of heat-conductive characteristic determines.The heat transfer of material is more difficult to (i.e. thermal coefficient is smaller),
Thermal and insulating performance is just better.In general, the common feature of heat preserving and insulating material be lightweight, it is loose, be in cellular or fiber
Shape obstructs the conduction of heat with the immobilising air in its inside.But its heat-insulating property of the energy-saving and heat-insulating material of routine is poor, machine
Tool intensity is also poor, and antibacterial effect is poor, and flame retardant property is not good enough, and does not also have preferable moisture resistance feature, therefore is applying
In have more limitation.
Invention content
The purpose of the present invention is to provide a kind of utilize to discard energy-saving and heat-insulating material and preparation method thereof prepared by tealeaf residue,
To solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of energy-saving and heat-insulating material prepared using tealeaf residue is discarded, the energy-saving and heat-insulating material includes following parts by weight
Raw material：15-23 parts of cement, discarded 30-42 parts of tealeaf residue, 12-17 parts of itaconic acid, 7-10 parts of poly (sodium 4-styrenesulfonate), second
8-12 parts of four methene Alendronate of diamines, 14-18 parts of polysilicate aluminum ferric chloride, 85-150 parts of water.
As a further solution of the present invention：The energy-saving and heat-insulating material includes the raw material of following parts by weight：Cement 18-
21 parts, discarded 34-40 parts of tealeaf residue, 13-16 parts of itaconic acid, 8-10 parts of poly (sodium 4-styrenesulfonate), ethylene diamine tetra methylene phosphonic acid
9-11 parts of sodium, 15-17 parts of polysilicate aluminum ferric chloride, 98-135 parts of water.
As a further solution of the present invention：The energy-saving and heat-insulating material includes the raw material of following parts by weight：Cement 19
Part, discarded 36 parts of tealeaf residue, 15 parts of itaconic acid, 9 parts of poly (sodium 4-styrenesulfonate), 10 parts of ethylene diamine tetra methylene phosphonic acid sodium, poly- silicon
16 parts of sour aluminium chloride ferrum, 118 parts of water.
A kind of preparation method using the energy-saving and heat-insulating material for discarding tealeaf residue preparation includes the following steps：
(1) cement is mixed with 30-50 parts of water, is stirring evenly and then adding into ethylene diamine tetra methylene phosphonic acid sodium, is warming up to
118-135 DEG C, after stirring 10-20min, keep the temperature 10-20min；
(2) itaconic acid is uniformly mixed with the water of surplus, obtains the aqueous solution of itaconic acid, then impregnate discarded tealeaf residue
The 1-2h in the aqueous solution of itaconic acid；Filtering obtains discarded tealeaf residue and itaconic acid aqueous solution, spare；
(3) be sieved 80-120 mesh after drying discarded tealeaf residue, is then uniformly mixed with step (1) gains；
(4) itaconic acid aqueous solution is mixed with poly (sodium 4-styrenesulfonate) and polysilicate aluminum ferric chloride, is placed at 55-70 DEG C
It is stirred 10-20min；
(5) step (3) gains are uniformly mixed with step (4) gains to get.
As a further solution of the present invention：Step (1) mixes cement with 40 parts of water, is stirring evenly and then adding into second two
Four methene Alendronate of amine is warming up to 125 DEG C, after stirring 15min, keeps the temperature 16min.
As a further solution of the present invention：Itaconic acid is uniformly mixed by step (2) with the water of surplus, obtains itaconic acid
Then discarded tealeaf residue is immersed in 1.4h in the aqueous solution of itaconic acid by aqueous solution；Filtering obtains discarded tealeaf residue and itaconic acid
Aqueous solution, it is spare.
As a further solution of the present invention：Step (3) is sieved 90 mesh after drying discarded tealeaf residue, then with step
(1) gains are uniformly mixed.
As a further solution of the present invention：Step (4) is by itaconic acid aqueous solution and poly (sodium 4-styrenesulfonate) and poly- silicon
Sour aluminium chloride ferrum mixing, is placed at 60 DEG C and is stirred 16min.
Compared with prior art, the beneficial effects of the invention are as follows：
The energy-saving and heat-insulating material of the present invention utilizes cement, discarded tealeaf residue, itaconic acid, poly (sodium 4-styrenesulfonate), second two
Four methene Alendronate of amine, polysilicate aluminum ferric chloride and water are combined, have heat insulation effect is good, Escherichia coli good anti-bacterial effect,
The advantages that staphylococcus aureus good anti-bacterial effect, excellent flame retardancy, high mechanical strength, high water-fast intensity；Preparation process item
Part is low, by optimizing preparation process, can effectively improve the quality of product, have preferable economic value and social value.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Embodiment 1
A kind of energy-saving and heat-insulating material prepared using tealeaf residue is discarded, the energy-saving and heat-insulating material includes following parts by weight
Raw material：15 parts of cement, discarded 30 parts of tealeaf residue, 12 parts of itaconic acid, 7 parts of poly (sodium 4-styrenesulfonate), ethylenediamine tetraacetic methene phosphine
8 parts of sour sodium, 14 parts of polysilicate aluminum ferric chloride, 85 parts of water.
A kind of preparation method using the energy-saving and heat-insulating material for discarding tealeaf residue preparation includes the following steps：(1) by cement
It is mixed with 30 parts of water, is stirring evenly and then adding into ethylene diamine tetra methylene phosphonic acid sodium, be warming up to 118 DEG C, after stirring 10min, heat preservation
10min；(2) itaconic acid is uniformly mixed with the water of surplus, obtains the aqueous solution of itaconic acid, be then immersed in discarded tealeaf residue
1h in the aqueous solution of itaconic acid；Filtering obtains discarded tealeaf residue and itaconic acid aqueous solution, spare；(3) discarded tealeaf residue is dried
After be sieved 80 mesh, be then uniformly mixed with step (1) gains；(4) by itaconic acid aqueous solution and poly (sodium 4-styrenesulfonate) and
Polysilicate aluminum ferric chloride mixes, and is placed at 55 DEG C and is stirred 10min；(5) by step (3) gains and step (4) gains
Be uniformly mixed to get.
Embodiment 2
A kind of energy-saving and heat-insulating material prepared using tealeaf residue is discarded, the energy-saving and heat-insulating material includes following parts by weight
Raw material：23 parts of cement, discarded 42 parts of tealeaf residue, 17 parts of itaconic acid, 10 parts of poly (sodium 4-styrenesulfonate), ethylenediamine tetraacetic methene phosphine
12 parts of sour sodium, 18 parts of polysilicate aluminum ferric chloride, 150 parts of water.
A kind of preparation method using the energy-saving and heat-insulating material for discarding tealeaf residue preparation includes the following steps：(1) by cement
It is mixed with 50 parts of water, is stirring evenly and then adding into ethylene diamine tetra methylene phosphonic acid sodium, be warming up to 135 DEG C, after stirring 20min, heat preservation
20min；(2) itaconic acid is uniformly mixed with the water of surplus, obtains the aqueous solution of itaconic acid, be then immersed in discarded tealeaf residue
2h in the aqueous solution of itaconic acid；Filtering obtains discarded tealeaf residue and itaconic acid aqueous solution, spare；(3) discarded tealeaf residue is dried
After be sieved 120 mesh, be then uniformly mixed with step (1) gains；(4) by itaconic acid aqueous solution and poly (sodium 4-styrenesulfonate) and
Polysilicate aluminum ferric chloride mixes, and is placed at 70 DEG C and is stirred 20min；(5) by step (3) gains and step (4) gains
Be uniformly mixed to get.
Embodiment 3
A kind of energy-saving and heat-insulating material prepared using tealeaf residue is discarded, the energy-saving and heat-insulating material includes following parts by weight
Raw material：19 parts of cement, discarded 36 parts of tealeaf residue, 15 parts of itaconic acid, 9 parts of poly (sodium 4-styrenesulfonate), ethylenediamine tetraacetic methene phosphine
10 parts of sour sodium, 16 parts of polysilicate aluminum ferric chloride, 118 parts of water.
A kind of preparation method using the energy-saving and heat-insulating material for discarding tealeaf residue preparation includes the following steps：(1) by cement
It is mixed with 40 parts of water, is stirring evenly and then adding into ethylene diamine tetra methylene phosphonic acid sodium, be warming up to 125 DEG C, after stirring 15min, heat preservation
16min.(2) itaconic acid is uniformly mixed with the water of surplus, obtains the aqueous solution of itaconic acid, be then immersed in discarded tealeaf residue
1.4h in the aqueous solution of itaconic acid；Filtering obtains discarded tealeaf residue and itaconic acid aqueous solution, spare.(3) discarded tealeaf residue is dried
Be sieved 90 mesh after dry, is then uniformly mixed with step (1) gains.(4) by itaconic acid aqueous solution and poly (sodium 4-styrenesulfonate)
It is mixed with polysilicate aluminum ferric chloride, is placed at 60 DEG C and is stirred 16min.It (5) will be obtained by step (3) gains and step (4)
Object be uniformly mixed to get.
Embodiment 4
A kind of energy-saving and heat-insulating material prepared using tealeaf residue is discarded, the energy-saving and heat-insulating material includes following parts by weight
Raw material：18 parts of cement, discarded 34 parts of tealeaf residue, 13 parts of itaconic acid, 8 parts of poly (sodium 4-styrenesulfonate), ethylenediamine tetraacetic methene phosphine
9 parts of sour sodium, 15 parts of polysilicate aluminum ferric chloride, 98 parts of water.
A kind of preparation method using the energy-saving and heat-insulating material for discarding tealeaf residue preparation includes the following steps：(1) by cement
It is mixed with 34 parts of water, is stirring evenly and then adding into ethylene diamine tetra methylene phosphonic acid sodium, be warming up to 122 DEG C, after stirring 13min, heat preservation
12min；(2) itaconic acid is uniformly mixed with the water of surplus, obtains the aqueous solution of itaconic acid, be then immersed in discarded tealeaf residue
1.2h in the aqueous solution of itaconic acid；Filtering obtains discarded tealeaf residue and itaconic acid aqueous solution, spare；(3) discarded tealeaf residue is dried
Be sieved 90 mesh after dry, is then uniformly mixed with step (1) gains；(4) by itaconic acid aqueous solution and poly (sodium 4-styrenesulfonate)
It is mixed with polysilicate aluminum ferric chloride, is placed at 58 DEG C and is stirred 13min；It (5) will be obtained by step (3) gains and step (4)
Object be uniformly mixed to get.
Embodiment 5
A kind of energy-saving and heat-insulating material prepared using tealeaf residue is discarded, the energy-saving and heat-insulating material includes following parts by weight
Raw material：21 parts of cement, discarded 40 parts of tealeaf residue, 16 parts of itaconic acid, 10 parts of poly (sodium 4-styrenesulfonate), ethylenediamine tetraacetic methene phosphine
11 parts of sour sodium, 17 parts of polysilicate aluminum ferric chloride, 135 parts of water.
A kind of preparation method using the energy-saving and heat-insulating material for discarding tealeaf residue preparation includes the following steps：(1) by cement
It is mixed with 45 parts of water, is stirring evenly and then adding into ethylene diamine tetra methylene phosphonic acid sodium, be warming up to 130 DEG C, after stirring 17min, heat preservation
17min；(2) itaconic acid is uniformly mixed with the water of surplus, obtains the aqueous solution of itaconic acid, be then immersed in discarded tealeaf residue
1.6h in the aqueous solution of itaconic acid；Filtering obtains discarded tealeaf residue and itaconic acid aqueous solution, spare；(3) discarded tealeaf residue is dried
Be sieved 100 mesh after dry, is then uniformly mixed with step (1) gains；(4) by itaconic acid aqueous solution and poly (sodium 4-styrenesulfonate)
It is mixed with polysilicate aluminum ferric chloride, is placed at 65 DEG C and is stirred 16min；It (5) will be obtained by step (3) gains and step (4)
Object be uniformly mixed to get.
Comparative example 1
Compared with Example 3, in addition to without itaconic acid, other preparation methods are consistent with embodiment 3.
Comparative example 2
Compared with Example 3, in addition to without polysilicate aluminum ferric chloride, other preparation methods are consistent with embodiment 3.
Comparative example 3
Compared with Example 3, in addition to without itaconic acid and polysilicate aluminum ferric chloride, other preparation methods and embodiment 3 one
It causes.
Comparative example 4
Compared with Example 3, raw material is identical, preparation method：By all raw materials together be uniformly mixed to get.
Experimental example
Embodiment 1-3 and comparative example the 1-4 thermal insulation material prepared are tested for the property, it is as a result as follows：
Table 1
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (8)
1. it is a kind of using discard tealeaf residue prepare energy-saving and heat-insulating material, which is characterized in that the energy-saving and heat-insulating material include with
The raw material of lower parts by weight：15-23 parts of cement, discarded 30-42 parts of tealeaf residue, 12-17 parts of itaconic acid, poly (sodium 4-styrenesulfonate)
7-10 parts, 8-12 parts of ethylene diamine tetra methylene phosphonic acid sodium, 14-18 parts of polysilicate aluminum ferric chloride, 85-150 parts of water.
2. the energy-saving and heat-insulating material according to claim 1 prepared using tealeaf residue is discarded, which is characterized in that described energy saving
Thermal insulation material includes the raw material of following parts by weight：18-21 parts of cement, 13-16 parts of itaconic acid, gathers discarded 34-40 parts of tealeaf residue
8-10 parts of sodium p styrene sulfonate, 9-11 parts of ethylene diamine tetra methylene phosphonic acid sodium, 15-17 parts of polysilicate aluminum ferric chloride, water 98-135
Part.
3. the energy-saving and heat-insulating material according to claim 1 prepared using tealeaf residue is discarded, which is characterized in that described energy saving
Thermal insulation material includes the raw material of following parts by weight：19 parts of cement, 15 parts of itaconic acid, gathers to styrene discarded 36 parts of tealeaf residue
9 parts of sodium sulfonate, 10 parts of ethylene diamine tetra methylene phosphonic acid sodium, 16 parts of polysilicate aluminum ferric chloride, 118 parts of water.
4. a kind of preparation side discarding energy-saving and heat-insulating material prepared by tealeaf residue according to any utilizations of claim 1-3
Method, which is characterized in that include the following steps：
(1) cement is mixed with 30-50 parts of water, is stirring evenly and then adding into ethylene diamine tetra methylene phosphonic acid sodium, is warming up to 118-135
DEG C, after stirring 10-20min, keep the temperature 10-20min；
(2) itaconic acid is uniformly mixed with the water of surplus, obtains the aqueous solution of itaconic acid, discarded tealeaf residue is then immersed in clothing
1-2h in the aqueous solution of health acid；Filtering obtains discarded tealeaf residue and itaconic acid aqueous solution, spare；
(3) be sieved 80-120 mesh after drying discarded tealeaf residue, is then uniformly mixed with step (1) gains；
(4) itaconic acid aqueous solution is mixed with poly (sodium 4-styrenesulfonate) and polysilicate aluminum ferric chloride, is placed at 55-70 DEG C and stirs
Mix 10-20min；
(5) step (3) gains are uniformly mixed with step (4) gains to get.
5. according to claim 4 using the preparation method for discarding energy-saving and heat-insulating material prepared by tealeaf residue, feature exists
In, step (1) mixes cement with 40 parts of water, is stirring evenly and then adding into ethylene diamine tetra methylene phosphonic acid sodium, is warming up to 125 DEG C,
After stirring 15min, 16min is kept the temperature.
6. according to claim 4 using the preparation method for discarding energy-saving and heat-insulating material prepared by tealeaf residue, feature exists
In itaconic acid is uniformly mixed by step (2) with the water of surplus, obtains the aqueous solution of itaconic acid, then impregnates discarded tealeaf residue
The 1.4h in the aqueous solution of itaconic acid；Filtering obtains discarded tealeaf residue and itaconic acid aqueous solution, spare.
7. according to claim 4 using the preparation method for discarding energy-saving and heat-insulating material prepared by tealeaf residue, feature exists
In then 90 mesh that are sieved after the drying of discarded tealeaf residue are uniformly mixed by step (3) with step (1) gains.
8. according to claim 4 using the preparation method for discarding energy-saving and heat-insulating material prepared by tealeaf residue, feature exists
In step (4) mixes itaconic acid aqueous solution with poly (sodium 4-styrenesulfonate) and polysilicate aluminum ferric chloride, is placed at 60 DEG C and stirs
Mix 16min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810466673.4A CN108585658B (en) | 2018-05-16 | 2018-05-16 | Energy-saving heat-insulating material prepared from waste tea leaves and preparation method thereof |
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| CN201810466673.4A CN108585658B (en) | 2018-05-16 | 2018-05-16 | Energy-saving heat-insulating material prepared from waste tea leaves and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116120700A (en) * | 2022-11-23 | 2023-05-16 | 东莞市瑞能塑胶科技有限公司 | High-wear-resistance TPE material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116120700A (en) * | 2022-11-23 | 2023-05-16 | 东莞市瑞能塑胶科技有限公司 | High-wear-resistance TPE material and preparation method thereof |
| CN116120700B (en) * | 2022-11-23 | 2023-08-04 | 东莞市瑞能塑胶科技有限公司 | High-wear-resistance TPE material and preparation method thereof |
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Effective date of registration: 20220317 Address after: 677000 Dianhong Ecological Industrial Park, Fengqing County, Lincang City, Yunnan Province Patentee after: FENGQING FENGNING TEA INDUSTRY Co.,Ltd. Address before: Room 405, building 1, Chang'an new town, Fuxin Middle Road, Jin'an District, Fuzhou City, Fujian Province 350011 Patentee before: Huang Xin |