CN201558684U - Device for producing lactate through spraying and granulating under negative-pressure, low-temperature and drying condition - Google Patents
Device for producing lactate through spraying and granulating under negative-pressure, low-temperature and drying condition Download PDFInfo
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- CN201558684U CN201558684U CN2009202711820U CN200920271182U CN201558684U CN 201558684 U CN201558684 U CN 201558684U CN 2009202711820 U CN2009202711820 U CN 2009202711820U CN 200920271182 U CN200920271182 U CN 200920271182U CN 201558684 U CN201558684 U CN 201558684U
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- China
- Prior art keywords
- tower
- mist projection
- projection granulating
- spraying
- temperature drying
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- 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 - Lifetime
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- 238000001035 drying Methods 0.000 title claims abstract description 44
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 title abstract description 13
- 238000005507 spraying Methods 0.000 title abstract 10
- 239000011229 interlayer Substances 0.000 claims abstract description 19
- 239000003595 mist Substances 0.000 claims description 89
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 239000000428 dust Substances 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L calcium lactate Chemical compound [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 description 21
- 239000001527 calcium lactate Substances 0.000 description 21
- 235000011086 calcium lactate Nutrition 0.000 description 21
- 229960002401 calcium lactate Drugs 0.000 description 21
- 238000002425 crystallisation Methods 0.000 description 16
- 230000008025 crystallization Effects 0.000 description 14
- 239000007788 liquid Substances 0.000 description 11
- 229940001447 lactate Drugs 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- CYDQOEWLBCCFJZ-UHFFFAOYSA-N 4-(4-fluorophenyl)oxane-4-carboxylic acid Chemical compound C=1C=C(F)C=CC=1C1(C(=O)O)CCOCC1 CYDQOEWLBCCFJZ-UHFFFAOYSA-N 0.000 description 7
- 239000001540 sodium lactate Substances 0.000 description 7
- 229940005581 sodium lactate Drugs 0.000 description 7
- 235000011088 sodium lactate Nutrition 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 229940095686 granule product Drugs 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- CANRESZKMUPMAE-UHFFFAOYSA-L Zinc lactate Chemical compound [Zn+2].CC(O)C([O-])=O.CC(O)C([O-])=O CANRESZKMUPMAE-UHFFFAOYSA-L 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008542 thermal sensitivity Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229940050168 zinc lactate Drugs 0.000 description 2
- 239000011576 zinc lactate Substances 0.000 description 2
- 235000000193 zinc lactate Nutrition 0.000 description 2
- 239000008156 Ringer's lactate solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 calcium lactate Chemical compound 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A device for producing lactate through spraying and granulating under the negative-pressure, low-temperature and drying condition comprises a spraying and granulating tower, a high-pressure pump, a temperature reducer and an air blower, a negative-pressure low-temperature drying tower, a cooler, a collector and a bag-type dust collector, wherein a cold air distributor and an air storage interlayer of the spraying and granulating tower are arranged on the spraying and granulating tower; the inner wall of the spraying and granulating tower is provided with a small hole which is communicated with the air storage interlayer of the spraying and granulating tower; the high-pressure pump is arranged on a pipeline between a material storage tank and the spraying and granulating tower; the temperature reducer and the air blower are respectively communicated with the cold air distributor and the air storage interlayer of the spraying and granulating tower through pipelines; the negative-pressure low-temperature drying tower is communicated with the spraying and granulating tower through a pipeline; the cooler is used for controlling the temperature in the negative-pressure low-temperature drying tower; the collector is communicated with the negative-pressure low-temperature drying tower; and the bag-type dust collector is arranged above the collector and connected with an exhaust fan. The utility model solves the technical defects of high labor intensity in the production of lactate and difficult standard reaching of the moisture content of the product in the prior art and has the advantages that the labor intensity can be reduced, and the product quality is improved.
Description
Technical field
The utility model relates to the Lactated device of a kind of production, particularly a kind ofly utilizes mist projection granulating and adopts the negative pressure low temperature drying to produce Lactated device.
Background technology
Present lactate such as calcium lactate, usually adopt crystallisation production, use the good quality strain fermenting lactic acid, add calcium carbonate during the fermentation and produce calcium lactate with neutralization, filtering and concentrating then, again feed liquid is put into natural evaporation crystallization in the crystallization box,, thereby obtains product through washing, dissolving, filtration, secondary crystallization then with the crystal output.Crystallisation production has mainly had problems: crystallizing cycle is long, and the calcium lactate spontaneous nucleation needs more than 72 hours; The hold facility area is big, calculates to produce 3000 tons of calcium lactate scales per year, needs more than 400 in crystallization box, and the operating process floor space reaches up to ten thousand square metres, is difficult to form large-scale production.Also have part enterprise to utilize spray granulation to produce calcium lactate, i.e. lactic acid and calcium carbonate neutralization obtains calcium lactate solution, obtains product through the spray tower mist projection granulating.This method has mainly had problems: calcium lactate solution easily sticks on the spray tower wall, is difficult for removing; Granular calcium lactate moisture content is difficult for up to standard.In addition, in the prior art, sodium lactate also is to adopt spray granulation production usually, but the sodium lactate water imbibition is strong, has thermal sensitivity simultaneously, so be difficult for drying, product is difficult to up to standard.In addition, produce zinc lactate in the prior art and also exist and produce the same technological deficiency of calcium lactate.
The utility model content
Technical problem to be solved in the utility model is:, product water content big at lactate productive labor intensity in the prior art is difficult for technological deficiency up to standard, provide the low temperature drying of a kind of mist projection granulating negative pressure to produce Lactated device, to reduce productive labor intensity, improve the quality of products.
The utility model is achieved by the following technical solution: Lactated device is produced in the low temperature drying of a kind of mist projection granulating negative pressure, comprise: the mist projection granulating tower, described mist projection granulating tower is provided with cold wind distributor and mist projection granulating tower storage wind interlayer, and described mist projection granulating inner wall of tower is provided with the aperture of described mist projection granulating tower storage wind interlayer of conducting and described mist projection granulating tower inside;
By the storage tank of pipeline and the conducting of described mist projection granulating tower, the pipeline between described storage tank and the described mist projection granulating tower is provided with high-pressure pump;
Store up the cooler of wind interlayer conducting with described cold wind distributor and described mist projection granulating tower respectively by pipeline, described cooler is connected with air blast by pipeline;
By the negative pressure low-temperature drying tower of pipeline and the conducting of described mist projection granulating tower, described negative pressure low-temperature drying tower is provided with first discharge line;
Be used to control the cooler of the temperature in the described negative pressure low-temperature drying tower;
With the gatherer of described negative pressure low-temperature drying tower conducting, the bottom of described gatherer is provided with second discharge line;
Be arranged on the sack cleaner of described gatherer top, and described sack cleaner is connected with air exhauster.
Lactated device is produced in the low temperature drying of above-mentioned mist projection granulating negative pressure, and the aperture with the aperture conducting of described mist projection granulating tower storage wind interlayer that be provided with on the described mist projection granulating inner wall of tower is 0.05 millimeter～0.5 millimeter.
Lactated device is produced in the low temperature drying of above-mentioned mist projection granulating negative pressure, is spaced apart 0.5 millimeter～30 millimeters between the described aperture.
The low temperature drying of the utility model mist projection granulating negative pressure is produced Lactated device when in use, lactate solution enters storage tank through concentration and evaporation, squeezes into the mist projection granulating tower through high-pressure pump, and feed liquid sprays from nozzle from bottom to top, form one deck liquid film at a high speed, liquid film is split into droplet immediately.The air of clean dry enters mist projection granulating tower by pipeline wherein by the cold wind distributor through air blast and cooler, under the effect of cooler, normal temperature air becomes cold wind (5～25 ℃), cold wind makes the rapid crystallization of atomized liquid in the mist projection granulating tower, simultaneously, the cold wind of another pipeline enters the storage wind interlayer of mist projection granulating tower, by the ejection of the aperture on the mist projection granulating inner wall of tower, has avoided the atomized liquid wall sticking phenomenon.Form the lactate products of particle, enter in the tower under the effect of the negative pressure in the negative pressure low-temperature drying tower, the temperature of negative pressure low-temperature drying tower is controlled to be 5～15 ℃ by cooler, by air exhauster control tower internal pressure be-50～-95Kpa (low temperature and negative pressure can solve the dry problem of easy suction and heat-sensitive substance), at this moment, moisture content is overflowed under the condition of negative pressure low temperature voluntarily in the lactate particle, enter air exhauster with air and discharge, part is separated through sack cleaner with the granule product that air enters gatherer.Removing the lactate particle of moisture content packs.
Mist projection granulating negative pressure of the present utility model low temperature drying is produced Lactated device and had following beneficial technical effects: the phenomenon that Lactated device has been avoided the sticking wall of mist projection granulating feed liquid is produced in mist projection granulating negative pressure of the present utility model low temperature drying, reduce labour intensity, improved production efficiency; Owing to adopt cold air to impel the feed liquid crystallization, than adopting hot-air, saved energy resource consumption, also make the material such as the sodium lactate crystallization rapidly of thermal sensitivity simultaneously; Adopt negative pressure low temperature that product is carried out drying, can solve the dry problem of easy suction and heat-sensitive substance.Owing to have diameter on the mist projection granulating inner wall of tower is 0.05 millimeter～0.5 millimeter aperture, aperture is at interval between 0.5 millimeter～30 millimeters, in granulation process, dry pure air constantly discharges in the mist projection granulating tower by the aperture on the mist projection granulating inner wall of tower, has avoided the situation of atomized liquid crystallization on mist projection granulating tower wall.Device of the present utility model is applicable to Lactated productions such as calcium lactate, sodium lactate, zinc lactate.
Description of drawings
Fig. 1 produces the structural representation of Lactated device for mist projection granulating negative pressure of the present utility model low temperature drying.
Among the figure: 1-storage tank, 2-high-pressure pump, 3-mist projection granulating tower, the 4-air blast, 5-cooler, 6-cold wind distributor, 7-mist projection granulating tower storage wind interlayer, 8-mist projection granulating inner wall of tower, 9-cooler, 10-negative pressure low-temperature drying tower, 11-first discharge line, 12-gatherer, 13-sack cleaner, 14-second discharge line, the 15-air exhauster.
Embodiment
Embodiment 1
As shown in Figure 1, Lactated device is produced in the low temperature drying of present embodiment mist projection granulating negative pressure, comprise: mist projection granulating tower 3, described mist projection granulating tower 3 is provided with cold wind distributor 6 and mist projection granulating tower storage wind interlayer 7, and described mist projection granulating inner wall of tower 8 is provided with the aperture of the described mist projection granulating tower storage of conducting wind interlayer 7 and described mist projection granulating tower 3 inside; By the storage tank 1 of pipeline and described mist projection granulating tower 3 conductings, the pipeline between described storage tank 1 and the described mist projection granulating tower 3 is provided with high-pressure pump 2; Store up the cooler 5 of wind interlayer 7 conductings with described cold wind distributor 6 and described mist projection granulating tower respectively by pipeline, described cooler 5 is connected with air blast 4 by pipeline; By the negative pressure low-temperature drying tower 10 of pipeline and described mist projection granulating tower 3 conductings, described negative pressure low-temperature drying tower 10 is provided with first discharge line 11; Be used to control the cooler 9 of the temperature in the described negative pressure low-temperature drying tower 10; With the gatherer 12 of described negative pressure low-temperature drying tower 10 conductings, the bottom of described gatherer 12 is provided with second discharge line 14; Be arranged on the sack cleaner 13 of described gatherer 12 tops, and described sack cleaner 13 is connected with air exhauster 15, aperture with apertures 7 conductings of described mist projection granulating tower storage wind interlayer that be provided with on the described mist projection granulating inner wall of tower 8 is 0.05 millimeter, is spaced apart 0.5 millimeter between the described aperture.Lactate solution through concentration and evaporation enters storage tank 1, enters mist projection granulating tower 3 through high-pressure pump 2.The air of clean dry enters mist projection granulating tower 3 by a pipeline by cold wind distributor 6 through air blast 4 and cooler 5, enter mist projection granulating tower storage wind interlayer 7 by another pipeline simultaneously, the mist projection granulating inner wall of tower 8 through having aperture discharges into mist projection granulating tower 3.Enter wherein under the effect of lactate particle negative pressure in negative pressure low-temperature drying tower 10.Temperature in the cooler 9 control negative pressure low-temperature drying towers, the moisture content that air and lactate particle are overflowed is discharged by air exhauster 15 through sack cleaner 13 by gatherer 12.The granule product of the gatherer 12 that enters with air is discharged through second discharge line 14.Removing the lactate of moisture content discharges by first discharge line 11.
In the present embodiment, the height of described mist projection granulating tower 3 is 10m, and diameter is 2m; The aperture of the aperture that is provided with on the mist projection granulating inner wall of tower 8 is 0.3 millimeter, is spaced apart 12 millimeters between the aperture; The height of negative pressure low-temperature drying tower 10 is 2m, and diameter is 1m.10 tons of calcium lactate solutions enter storage tank 1 through concentration and evaporation after concentration is 50%, 90 ℃ of holding temperatures are squeezed into mist projection granulating tower 3 through high-pressure pump 2 with the flow velocity of 5m/s.The air of clean dry enters mist projection granulating tower 3 by pipeline wherein by cold wind distributor 6 through air blast 4 and cooler 5, enter the cold wind control gas speed 5m/s in the tower, under the effect of cooler 5, normal temperature air becomes 15 ℃ of cold wind, cold wind makes the rapid crystallization of atomized liquid in the mist projection granulating tower 3, simultaneously, the cold wind of another pipeline enters mist projection granulating tower storage wind interlayer 7, by the gas speed ejection of the aperture on the mist projection granulating inner wall of tower 8 with 0.5m/s.Form the calcium lactate product of particle, enter under the effect of negative pressure in negative pressure low-temperature drying tower 10 in the mist projection granulating tower 3, temperature is 15 ℃ in the mist projection granulating tower 3, and pressure is-80Kpa, part enters gatherer 12 with air granule product separates through sack cleaner 13, returns storage tank 1 again.Removing the granular calcium lactate of excessive moisture packs.The result records calcium lactate content 99% (in five crystallizations water), deadline 5h.
Embodiment 2
It is identical with embodiment 1 that Lactated device is produced in the low temperature drying of present embodiment mist projection granulating negative pressure, and 10 ton 85% sodium lactate solution enters storage tank 1, adds the stabilizing agent of 300kg, and 90 ℃ of holding temperatures are squeezed into mist projection granulating tower 3 through high-pressure pump 2 with the mobility of 5m/s.The cold air of 15 ℃ of clean dry enters the gas speed 5m/s in the tower, and cold wind is by the gas speed ejection of the aperture on the mist projection granulating inner wall of tower 8 with 0.5m/s simultaneously.Form the sodium lactate product of particle, enter under the effect of the negative pressure in negative pressure low-temperature drying tower 10 in the mist projection granulating tower 3, temperature is 15 ℃ in the mist projection granulating tower 3, pressure is-80Kpa, part enters gatherer 12 with air granule product separates through sack cleaner 13, returns storage tank 1 again.The sodium lactate particle of removing excessive moisture carries out vacuum packaging.The result records sodium lactate content 98%, deadline 8h.
Embodiment 3 (comparative example of embodiment 1)
Select the same mist projection granulating tower with embodiment 1 for use, no drying device adopts to feed that gases are hot-air in the mist projection granulating tower 3, and inner wall of tower does not have aperture.
10 tons of calcium lactate solutions enter storage tank through the concentration of concentration and evaporation to 50%, and 90 ℃ of holding temperatures are squeezed into the mist projection granulating tower through high-pressure pump with the mobility of 5m/s.The air of clean dry enters the mist projection granulating tower through air blast and heater by hot-air distributor, enter the hot blast control gas speed 5m/s in the mist projection granulating tower 3, under the effect of heater, normal temperature air becomes 120 ℃ of hot blasts, and hot blast evaporates the interior moisture content of the atomized liquid in the mist projection granulating tower 3 rapidly and forms particle.The calcium lactate product that forms particle is packed.The result records calcium lactate content 98% (in five crystallizations water), and deadline 4h is stained with one deck 0.5mm calcium lactate crystal on the wall.
Embodiment 4 (comparative example of embodiment 1)
10 tons of calcium lactate solutions are put into crystallization box spontaneous nucleation through the concentration of concentration and evaporation to 50%, take out caked calcium lactate crystal after 70 hours, washing, dissolving, filtration, secondary crystallization, the taking-up crystal is pulverized again, dry packing, the result records calcium lactate content 99% (in five crystallizations water), deadline 148h.
In some other embodiment, the aperture of described aperture can be any number between 0.05 millimeter～0.5 millimeter, and the interval between the aperture can be any number between 0.5 millimeter～30 millimeters, all can realize the goal of the invention of the invention.
The utility model is not limited to the foregoing description; to those skilled in the art; to any conspicuous improvement or the change that the foregoing description of the present utility model is made, can not exceed the protection domain of the foregoing description of the present utility model and claim.
Claims (3)
1. Lactated device is produced in mist projection granulating negative pressure low temperature drying, it is characterized in that, comprising:
Mist projection granulating tower (3), described mist projection granulating tower (3) is provided with cold wind distributor (6) and mist projection granulating tower storage wind interlayer (7), and described mist projection granulating inner wall of tower (8) is provided with the described mist projection granulating tower storage wind interlayer of conducting (7) aperture inner with described mist projection granulating tower (3);
By the storage tank (1) of pipeline and described mist projection granulating tower (3) conducting, the pipeline between described storage tank (1) and the described mist projection granulating tower (3) is provided with high-pressure pump (2);
Store up the cooler (5) of wind interlayer (7) conducting with described cold wind distributor (6) and described mist projection granulating tower respectively by pipeline, described cooler (5) is connected with air blast (4) by pipeline;
By the negative pressure low-temperature drying tower (10) of pipeline and described mist projection granulating tower (3) conducting, described negative pressure low-temperature drying tower (10) is provided with first discharge line (11);
Be used to control the cooler (9) of the temperature in the described negative pressure low-temperature drying tower (10);
With the gatherer (12) of described negative pressure low-temperature drying tower (10) conducting, the bottom of described gatherer (12) is provided with second discharge line (14);
Be arranged on the sack cleaner (13) of described gatherer (12) top, and described sack cleaner (13) is connected with air exhauster (15).
2. Lactated device is produced in mist projection granulating negative pressure according to claim 1 low temperature drying, it is characterized in that it is 0.05 millimeter～0.5 millimeter that described mist projection granulating inner wall of tower (8) is gone up the aperture with the aperture conducting of described mist projection granulating tower storage wind interlayer (7) that be provided with.
3. Lactated device is produced in mist projection granulating negative pressure according to claim 2 low temperature drying, it is characterized in that, is spaced apart 0.5 millimeter～30 millimeters between the described aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202711820U CN201558684U (en) | 2009-12-02 | 2009-12-02 | Device for producing lactate through spraying and granulating under negative-pressure, low-temperature and drying condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202711820U CN201558684U (en) | 2009-12-02 | 2009-12-02 | Device for producing lactate through spraying and granulating under negative-pressure, low-temperature and drying condition |
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| Publication Number | Publication Date |
|---|---|
| CN201558684U true CN201558684U (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202711820U Expired - Lifetime CN201558684U (en) | 2009-12-02 | 2009-12-02 | Device for producing lactate through spraying and granulating under negative-pressure, low-temperature and drying condition |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179204A (en) * | 2011-04-26 | 2011-09-14 | 安徽安科恒益药业有限公司 | Pelletizing and drying device |
| CN103275335A (en) * | 2013-05-20 | 2013-09-04 | 安徽理工大学 | Preparation method of polyethylene wax micropowder and spray granulation system |
| CN104117327A (en) * | 2014-07-11 | 2014-10-29 | 武汉三江航天固德生物科技有限公司 | A low-temperature granulating method of powdered lactic acid |
| CN104130120A (en) * | 2014-07-11 | 2014-11-05 | 武汉三江航天固德生物科技有限公司 | Solid sodium lactate low-temperature granulation method |
| CN104162401A (en) * | 2014-09-02 | 2014-11-26 | 济南大学 | Calcium stearate catalyzed reaction dryer and using method thereof |
| CN112452124A (en) * | 2020-12-11 | 2021-03-09 | 石家庄市新星化炭有限公司 | Drying denitration method in carbon black production and carbon black production system |
-
2009
- 2009-12-02 CN CN2009202711820U patent/CN201558684U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179204A (en) * | 2011-04-26 | 2011-09-14 | 安徽安科恒益药业有限公司 | Pelletizing and drying device |
| CN103275335A (en) * | 2013-05-20 | 2013-09-04 | 安徽理工大学 | Preparation method of polyethylene wax micropowder and spray granulation system |
| CN103275335B (en) * | 2013-05-20 | 2015-01-07 | 安徽理工大学 | Preparation method of polyethylene wax micropowder and spray granulation system |
| CN104117327A (en) * | 2014-07-11 | 2014-10-29 | 武汉三江航天固德生物科技有限公司 | A low-temperature granulating method of powdered lactic acid |
| CN104130120A (en) * | 2014-07-11 | 2014-11-05 | 武汉三江航天固德生物科技有限公司 | Solid sodium lactate low-temperature granulation method |
| CN104162401A (en) * | 2014-09-02 | 2014-11-26 | 济南大学 | Calcium stearate catalyzed reaction dryer and using method thereof |
| CN104162401B (en) * | 2014-09-02 | 2016-04-20 | 济南大学 | A kind of calcium stearate catalytic reaction drier and using method thereof |
| CN112452124A (en) * | 2020-12-11 | 2021-03-09 | 石家庄市新星化炭有限公司 | Drying denitration method in carbon black production and carbon black production system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HE'NAN JINDAN LACTIC ACID TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HENAN JINDAN LACTIC ACID TECHNOLOGY CO., LTD. Effective date: 20110916 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110916 Address after: No. 08 Dancheng County, Henan Province Road 477150 Dan Patentee after: Henan Jindan Lactic Acid Tech Co.,Ltd. Address before: No. 08 Dancheng County, Henan Province Road 477150 Dan Patentee before: Henan Jindan Lactic Acid Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |