CN102326819B - Moisture-proof deoxidizing and refreshing agent for powdery tea - Google Patents
Moisture-proof deoxidizing and refreshing agent for powdery tea Download PDFInfo
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- CN102326819B CN102326819B CN201110191385A CN201110191385A CN102326819B CN 102326819 B CN102326819 B CN 102326819B CN 201110191385 A CN201110191385 A CN 201110191385A CN 201110191385 A CN201110191385 A CN 201110191385A CN 102326819 B CN102326819 B CN 102326819B
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- refreshing agent
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- 241001122767 Theaceae Species 0.000 title abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 47
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 16
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 10
- 239000000440 bentonite Substances 0.000 claims abstract description 10
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 10
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004927 clay Substances 0.000 claims abstract description 10
- 239000010459 dolomite Substances 0.000 claims abstract description 10
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 26
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 19
- 239000011707 mineral Substances 0.000 claims description 19
- 238000010298 pulverizing process Methods 0.000 claims description 16
- 230000020477 pH reduction Effects 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 238000012856 packing Methods 0.000 abstract description 4
- 239000000796 flavoring agent Substances 0.000 abstract description 3
- 235000019634 flavors Nutrition 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 229910052625 palygorskite Inorganic materials 0.000 abstract 2
- 230000006866 deterioration Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 235000010755 mineral Nutrition 0.000 description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000011790 ferrous sulphate Substances 0.000 description 6
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 6
- 235000003891 ferrous sulphate Nutrition 0.000 description 5
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- GJYLKIZKRHDRER-UHFFFAOYSA-N calcium;sulfuric acid Chemical compound [Ca].OS(O)(=O)=O GJYLKIZKRHDRER-UHFFFAOYSA-N 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Packages (AREA)
Abstract
The invention discloses a powdery tea moisture-proof deoxidizing and refreshing agent. The technical scheme of the invention is as follows: the powdery tea moisture-proof deoxidizing and refreshing agent consists of acidified red bentonite, acidified dolomite palygorskite clay, acidified bauxite and reduced iron powder. A production method of the powdery tea moisture-proof deoxidizing and refreshing agent comprises the following steps: mixing and acidifying red bentonite, dolomite palygorskite clay and bauxite; tabletting and carrying out heat treatment; and crushing the processed mixture and the reduced iron powder together and packaging to obtain the powdery tea moisture-proof deoxidizing and refreshing agent. The powdery tea moisture-proof deoxidizing and refreshing agent is put in a tea packing container, moisture-proof deoxidizing and refreshing are carried out synchronously, tea is deoxidized and refreshed in a dry state, so that the free oxygen and free water in a tea package can be eliminated, the tea is maintained to be fully dried and can be prevented from mustiness and deterioration due to oxidation, the original flavor and quality of the tea can be ensured, and the shelf life of the tea is prolonged. The powdery tea moisture-proof deoxidizing and refreshing agent is suitable for being put in minitype tea packing containers for containing the tea.
Description
Technical field
The present invention relates to deoxidizing antistaling agent, be specifically related to the moistureproof deoxidizing antistaling agent of a kind of powdery tealeaves.
Background technology
Tealeaves is easy to moisture absorption and absorbs peculiar smell, accelerates the speed of oxidation, destroys nutritional labeling and original local flavor of tealeaves, need note anti-oxidation, moistureproof and prevents the pollution of peculiar smell at lay up period, to guarantee tea leaf quality.
The tealeaves optimum is stored at itself water content condition lower seal below 5%, the moisture of national Specification tealeaves≤7.5%, tealeaves when its water content 8% when above, store and just had old tea smell in 6 months; When its water content 10% the time, just be easy to occur the smell that goes mouldy; When its water content surpassed 12%, mould was easy to grow in a large number, and the smell that goes mouldy can be strengthened, even mouldy caking, can't continue to drink.
The moistureproof deoxidation preservation method of tealeaves mainly contains at present: lime dehumidifying fresh-keeping method, the nitrogen-filled packaging fresh-keeping method of bleeding, vacuum-packing fresh-keeping method, Deoxygen Packaging fresh-keeping method, damp-prrof packing fresh-keeping method and refrigeration; Said method cuts both ways, but all can not reach the fresh-keeping effect of moistureproof deoxidation simultaneously.
Chinese patent Granted publication CN 1181767C; On December 29 2004 Granted publication day, name is called " a kind of deoxidier of bicomponent system ", disclose " a kind of deoxidier of bicomponent system; except containing iron, sodium chloride, active carbon, water-absorbing resin; it is characterized in that: contain the zinc that matches with iron, said zinc has the oxygen uptake function with the main body of iron as deoxidier; Contain ferrous sulfate with the sodium chloride pairing; Contain active soil with the active carbon pairing; Also contain urea with the water-absorbing resin pairing; Wherein zinc-iron antithetical phrase component, sodium chloride-ferrous sulfate antithetical phrase component, active carbon-active soil antithetical phrase component and water-absorbing resin-urea antithetical phrase component, its weight proportion is respectively 50-90%, 0.1-5%, 0.5-30% and 0.1-25%.Deoxidier of the present invention can be applied to different conditions, different moisture content, different oil-containing and grade and variously do, go in the bright article, thereby obtains out and out effect ".
Sodium chloride in the above-mentioned patent, ferrous sulfate and urea all are the very strong materials of wettability power; In air, be prone to deliquescence; The finished product water content of dispatching from the factory of active carbon and active soil allows≤10.0%, these materials in the process of pulverizing and mixing, will absorbed air in a large amount of moisture content; Fast zinc, iron, active carbon, active soil and water-absorbing resin are wrapped up; Reduced the effect of deoxidier, the only fast effect of suction of competence exertion in the aqueous solution of water-absorbing resin can not effectively be adsorbed sodium chloride, ferrous sulfate, urea, variously does, the moisture content in the bright article; Therefore, the weak point of above-mentioned patent is that this technology is produced the practical effect that " a kind of deoxidier of bicomponent system " directly has influence on deoxidier.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of moistureproof deoxidizing antistaling agent of the multi-functional powdery tealeaves of deoxidation, protection against the tide and absorption peculiar smell that has is provided.
The moistureproof deoxidizing antistaling agent of powdery tealeaves is made up of red bentonite, dolomite Concave-convex clay rod, bauxite, sulfuric acid and reduced iron powder.
The production method of the moistureproof deoxidizing antistaling agent of powdery tealeaves: red bentonite, dolomite Concave-convex clay rod, bauxite mixing are carried out pulverizing jointly with reduced iron powder after acidifying, compressing tablet and the heat treatment; Be packaged as the moistureproof deoxidizing antistaling agent of powdery tealeaves, the water content of package≤1.5%.
Iron oxide content >=14% in the red bentonite, alundum (Al content >=10%; The content of calcium oxide >=24% in the dolomite Concave-convex clay rod, magnesian content >=12%; Alundum (Al content >=55% in the bauxite; Red bentonite, dolomite Concave-convex clay rod and bauxite are mixed into mineral intermixture; The acidified processing of mineral intermixture back generates sulfate mixtures such as part of sulfuric acid calcium, magnesium sulfate, ferrous sulfate and aluminum sulfate; Calcium sulfate, magnesium sulfate, ferrous sulfate and aluminum sulfate all have higher wettability power; Mineral intermixture with acidification carries out activation heat treatment again, has improved the moisture sorption effect of the mineral intermixture of acidification greatly.
Red bentonite originates in horse race mining area, mountain, Gui Wu town, Xuyi County, Jiangsu Province, and main component has quartz, montmorillonite, kaolinite, bloodstone and feldspar, iron oxide content >=14%; The mining area reserves have more than 1,000,000 tons; Be an opencut,, still fail the large tracts of land exploitation at present because purposes is not extensive.
Reduced iron powder can absorb airborne oxygen, and 1 gram reduced iron powder deoxygenation ability is 300mL, amounts to air 1500mL, and deaerating effect is good, reduced iron powder grain fineness≤0.105 that the present invention selects for use millimeter.
Dolomite Concave-convex clay rod, bauxite and reduced iron powder are common commodity.
The present invention is achieved through following technical proposals:
1, the batching of the moistureproof deoxidizing antistaling agent of powdery tealeaves is made up of following component by weight percentage: anti-blushing agent 30～70% and reduced iron powder 30～70%;
The production method of the moistureproof deoxidizing antistaling agent of powdery tealeaves: input pulverizer after the batch mixes of the moistureproof deoxidizing antistaling agent of powdery tealeaves is pulverized; Grain fineness after the pulverizing≤0.105 millimeter; Pack and be the moistureproof deoxidizing antistaling agent finished product of powdery tealeaves, the water content of package≤1.5%;
The production method of said anti-blushing agent: 1. the batching of mineral intermixture is made up of following component by weight percentage: red bentonite 25～55%, dolomite Concave-convex clay rod 20～50% and bauxite 15～40%; 2. pulverize the grain fineness after the pulverizing≤0.50 millimeter after the batch mixes with mineral intermixture; 3. the preparation of dilute sulfuric acid is made up of following component by weight percentage: sulfuric acid 2～20% and the water 80～98% of concentration 98 ﹪; 4. the batching of acidification is made up of following component by weight percentage: mineral intermixture 55～75% and dilute sulfuric acid 25～45% after the pulverizing; 5. dilute sulfuric acid is slowly added in the mineral intermixture after the pulverizing and carry out acidification, the mineral intermixture of acidified processing was stacked after 24～72 hours, and extruding is tablet in the input twin rollers, and the THICKNESS CONTROL of tablet is at 1～3 millimeter; 6. tablet is imported and heat-treated the back anti-blushing agent that is in the rotary dryer, the temperature during heat treatment is controlled at 250～320 ℃, and the time was controlled at 60～180 minutes, the water content of anti-blushing agent≤1.0%.
Acidification technology of the present invention does not have discharge of wastewater, and method is simple, and is environment friendly and pollution-free.
After anti-blushing agent added measuring cup; Placing in the drier that fills saturated aqueous sodium chloride, is under 35 ℃ the condition in temperature, 24 hours Static Water absorption>=20%; The water content of anti-blushing agent≤1.0%; After anti-blushing agent and reduced iron powder mix pulverizing, be packaged as the moistureproof deoxidizing antistaling agent of powdery tealeaves, the water content of package≤1.5%.
Reduced iron powder can absorb airborne oxygen; 1 gram reduced iron powder deoxygenation ability is 300mL, amounts to air 1500mL, and deaerating effect is good; This is those skilled in the art's a common practise, but uses reduced iron powder can not reach the fresh-keeping effect of moistureproof deoxidation simultaneously separately; Be packaged as after adopting in the present invention that reduced iron powder and anti-blushing agent are common and pulverizing have deoxidation, protection against the tide and the moistureproof deoxidizing antistaling agent of the multi-functional powdery tealeaves of absorption peculiar smell.
The moistureproof deoxidizing antistaling agent of powdery tealeaves is placed in the packing container of tealeaves, and moistureproof deoxidation is fresh-keeping to be carried out synchronously, and tealeaves carries out deoxidation and fresh-keeping under drying regime; Can remove free oxygen and free water in the tea packaging, oxygen content is controlled at below 0.2%, and the water content of tealeaves is controlled in 6.5%; Keep tealeaves fully dry; Prevent tealeaves because oxidation and mouldy and rotten, guarantee the original flavor and the quality of tealeaves, prolong its shelf life.
After the moistureproof deoxidizing antistaling agent of powdery tealeaves used, when general garbage disposal, degradable did not have environmental pollution.
The moistureproof deoxidizing antistaling agent of powdery tealeaves is applicable in the small package packaging container that is placed on tealeaves.
The specific embodiment
Below in conjunction with embodiment the present invention is done further description:
1, the batching of the moistureproof deoxidizing antistaling agent of powdery tealeaves is made up of following component by weight percentage: anti-blushing agent 55% and reduced iron powder 45%;
The production method of the moistureproof deoxidizing antistaling agent of powdery tealeaves: input pulverizer after the batch mixes of the moistureproof deoxidizing antistaling agent of powdery tealeaves is pulverized; Grain fineness after the pulverizing≤0.105 millimeter; Be packaged as the moistureproof deoxidizing antistaling agent finished product of powdery tealeaves, the water content of package≤1.5%;
The production method of said anti-blushing agent: 1. the batching of mineral intermixture is made up of following component by weight percentage: red bentonite 40%, dolomite Concave-convex clay rod 34% and bauxite 26%; 2. pulverize the grain fineness after the pulverizing≤0.50 millimeter after the batch mixes with mineral intermixture; 3. the preparation of dilute sulfuric acid is made up of following component by weight percentage: sulfuric acid 8% and the water 92% of concentration 98 ﹪; 4. the batching of acidification is made up of following component by weight percentage: mineral intermixture 65% and dilute sulfuric acid 35% after the pulverizing; 5. dilute sulfuric acid is slowly added in the mineral intermixture after the pulverizing and carry out acidification, the mineral intermixture of acidified processing was stacked after 48 hours, and extruding is tablet in the input twin rollers, and the THICKNESS CONTROL of tablet is at 1.5 millimeters; 6. tablet is imported and heat-treated the back anti-blushing agent that is in the rotary dryer, the temperature during heat treatment is controlled at 280～300 ℃, and the time was controlled at 120 minutes, the water content of anti-blushing agent≤1.0%.
Claims (1)
1. a powdery antistaling agent that is used for the moistureproof deoxidation of tealeaves is characterized in that the batching of this antistaling agent is made up of following component by weight percentage: anti-blushing agent 30～70% and reduced iron powder 30～70%;
The production method of this antistaling agent: input pulverizer after the batch mixes of this antistaling agent is pulverized, and the grain fineness after the pulverizing≤0.105 millimeter packs and is this antistaling agent finished product, the water content of package≤1.5%;
The production method of said anti-blushing agent: 1. the batching of mineral intermixture is made up of following component by weight percentage: red bentonite 25～55%, dolomite Concave-convex clay rod 20～50% and bauxite 15～40%; 2. pulverize the grain fineness after the pulverizing≤0.50 millimeter after the batch mixes with mineral intermixture; 3. the preparation of dilute sulfuric acid is made up of following component by weight percentage: sulfuric acid 2～20% and the water 80～98% of concentration 98 ﹪; 4. the batching of acidification is made up of following component by weight percentage: mineral intermixture 55～75% and dilute sulfuric acid 25～45% after the pulverizing; 5. dilute sulfuric acid is slowly added in the mineral intermixture after the pulverizing and carry out acidification, the mineral intermixture of acidified processing was stacked after 24～72 hours, and extruding is tablet in the input twin rollers, and the THICKNESS CONTROL of tablet is at 1～3 millimeter; 6. tablet is imported and heat-treated the back anti-blushing agent that is in the rotary dryer, the temperature during heat treatment is controlled at 250～320 ℃, and the time was controlled at 60～180 minutes, the water content of anti-blushing agent≤1.0%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110191385A CN102326819B (en) | 2011-07-10 | 2011-07-10 | Moisture-proof deoxidizing and refreshing agent for powdery tea |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110191385A CN102326819B (en) | 2011-07-10 | 2011-07-10 | Moisture-proof deoxidizing and refreshing agent for powdery tea |
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| Publication Number | Publication Date |
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| CN102326819A CN102326819A (en) | 2012-01-25 |
| CN102326819B true CN102326819B (en) | 2012-09-19 |
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| CN107212244A (en) * | 2017-07-04 | 2017-09-29 | 合肥仙之峰农业科技有限公司 | A kind of green tea preservative and preparation method thereof |
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Effective date of registration: 20131108 Address after: 226300, Tongzhou District, Nantong Province, two Li Town, Jiangsu Industrial Zone (bright west road, the first 150 meters) Patentee after: NANGTONG HAODI ANTICORROSION EQUIPMENT Co.,Ltd. Address before: 211700 Huaian City, Jiangsu province Xuyi County Xu town Jin Yuan Road No. 22-1 Building 2 room 205 Patentee before: Xu Shengying |
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