CN220824474U - Drying device in stevioside production - Google Patents
Drying device in stevioside production Download PDFInfo
- Publication number
- CN220824474U CN220824474U CN202322178085.XU CN202322178085U CN220824474U CN 220824474 U CN220824474 U CN 220824474U CN 202322178085 U CN202322178085 U CN 202322178085U CN 220824474 U CN220824474 U CN 220824474U
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- Prior art keywords
- communicated
- cyclone separator
- heat exchanger
- hot air
- air
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- UEDUENGHJMELGK-HYDKPPNVSA-N Stevioside Chemical compound O([C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@]12C(=C)C[C@@]3(C1)CC[C@@H]1[C@@](C)(CCC[C@]1([C@@H]3CC2)C)C(=O)O[C@H]1[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O1)O)[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O UEDUENGHJMELGK-HYDKPPNVSA-N 0.000 title claims abstract description 20
- 238000001035 drying Methods 0.000 title claims abstract description 20
- 229940013618 stevioside Drugs 0.000 title claims abstract description 20
- OHHNJQXIOPOJSC-UHFFFAOYSA-N stevioside Natural products CC1(CCCC2(C)C3(C)CCC4(CC3(CCC12C)CC4=C)OC5OC(CO)C(O)C(O)C5OC6OC(CO)C(O)C(O)C6O)C(=O)OC7OC(CO)C(O)C(O)C7O OHHNJQXIOPOJSC-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 235000019202 steviosides Nutrition 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000000428 dust Substances 0.000 claims abstract description 24
- 238000001694 spray drying Methods 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 4
- 230000009467 reduction Effects 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
- 229930006000 Sucrose Natural products 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000005720 sucrose Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 206010020772 Hypertension Diseases 0.000 description 1
- 208000008589 Obesity Diseases 0.000 description 1
- 244000228451 Stevia rebaudiana Species 0.000 description 1
- 235000006092 Stevia rebaudiana Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 235000021096 natural sweeteners Nutrition 0.000 description 1
- 235000020824 obesity Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model belongs to the technical field of stevioside production, and discloses a drying device in stevioside production, which comprises a spray drying main tower, wherein a feed inlet and an air inlet of the spray drying main tower are respectively communicated with a material supply system and a hot air supply system, a fine powder outlet of the spray drying main tower is communicated with a first cyclone separator, a fine material outlet of the first cyclone separator is communicated with a bag-type dust remover, a dust material outlet of the bag-type dust remover is communicated with a second cyclone separator, a coarse material outlet of the first cyclone separator and a coarse powder outlet of the spray drying main tower are communicated with the second cyclone separator through the same pipeline communicated with a dehumidifier, and a material outlet of the second cyclone separator is communicated with a finished product bin; the hot air supply system comprises a hot air furnace and a gas-electricity dual-purpose heat exchanger which are arranged in parallel, one ends of the hot air furnace and the gas-electricity dual-purpose heat exchanger are both communicated with a fresh air pipeline, and the other ends of the hot air furnace and the gas-electricity dual-purpose heat exchanger are both communicated with an air inlet of the spray drying main tower. The utility model has flexible energy acquisition, energy conservation, consumption reduction, cost reduction and efficiency improvement.
Description
Technical Field
The utility model belongs to the technical field of stevioside production, and particularly relates to a drying device in stevioside production.
Background
The stevioside is a natural sweetener with low calorific value and high power, which is extracted from stevia rebaudiana leaves, the sweetness of the stevioside is 200-300 times that of sucrose, the calorie is only about 1/250 of that of the sucrose, and the stevioside has certain auxiliary treatment effects on obesity, hypertension, heart diseases and the like, has no toxic or side effect, can be used as a sucrose substitute, and is a functional sweetener with great development value. In the existing stevioside production procedures, procedures such as concentration of mixed sugar, concentration of mother liquor sugar and the like are required to be dried, wherein a spray drying mode is mainly adopted, but the existing spray drying mode adopts a steam heating mode for drying, so that the energy consumption is huge, and the process has to be modified for saving energy and reducing consumption.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the drying device for stevioside production overcomes the defects of the prior art, and has the advantages of flexible energy acquisition, energy conservation, consumption reduction, cost reduction and efficiency enhancement.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
The drying device in stevioside production comprises a spray drying main tower, wherein the spray drying main tower is provided with a feed inlet, an air inlet, a fine powder outlet and a coarse powder outlet, the feed inlet and the air inlet are respectively communicated with a material supply system and a hot air supply system through pipelines and valves, and the coarse powder outlet is communicated with a first cyclone separator through the pipelines and the valves; the fine material outlet of the first cyclone separator is communicated with the bag-type dust remover, and the dust material outlet of the bag-type dust remover is communicated with the second cyclone separator; the coarse material outlet of the first cyclone separator and the coarse material outlet of the spray drying main tower are communicated to the second cyclone separator through the same pipeline communicated with the dehumidifier, and the material outlet of the second cyclone separator is communicated to the finished product bin; the hot air supply system comprises a hot air furnace and a gas-electricity dual-purpose heat exchanger which are arranged in parallel, one ends of the hot air furnace and the gas-electricity dual-purpose heat exchanger are both communicated with a fresh air pipeline, and the other ends of the hot air furnace and the gas-electricity dual-purpose heat exchanger are both communicated with an air inlet of the spray drying main tower.
Preferably, the drying device is further provided with a CIP cleaning system. And cleaning the spray drying main tower, the first cyclone separator, the cloth bag dust collector, the second cyclone separator and the finished product bin through a CIP cleaning system, wherein the cleaned cleaning liquid can flow back to the CIP tank or can be discharged after being treated.
Preferably, the material supply system comprises a material liquid tank, a material liquid filter and a high-pressure pump which are sequentially communicated through a pipeline and a valve, wherein the material liquid filter and the high-pressure pump are arranged in parallel, and the high-pressure pump is communicated to a feed inlet of the spray drying main tower.
Preferably, two first cyclone separators are arranged in parallel.
Preferably, the gas outlet of the bag-type dust collector is communicated with an exhaust gas treatment device, the exhaust gas treatment device comprises a draught fan, a heat exchanger and a spray tower, and the heat exchanger (model HT-1680, hezhou New horse drying engineering Co., ltd.) is communicated with a fresh air pipeline. The induced draft fan leads out the hot air in the bag-type dust collector, and the hot air can be used for preheating fresh air through the heat exchanger, and the hot air after heat exchange enters the spray tower for treatment.
Further, the fresh air pipeline is sequentially provided with a first air filter, a heat exchanger, a blower and a second air filter, and an air outlet of the second air filter is respectively communicated with a hot blast stove (model JRQ-240, manufactured by Sansu mechanical manufacturing Co., jingjiang, inc.) and a gas-electricity dual-purpose heat exchanger (model HT1490, manufactured by Sansu mechanical manufacturing Co., ltd.). Fresh air is filtered through the first air filter and then preheated through a heat exchanger in the waste gas treatment device, and then enters the hot blast stove and the gas-electricity dual-purpose heat exchanger, so that energy can be effectively saved.
Preferably, the second cyclone separator is also communicated to the bag-type dust collector through a pipeline. And conveying the fine powder to a bag-type dust remover for continuous separation.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
According to the utility model, the hot blast stove heating, the steam heating or the electric heating of the fresh air can be realized through the hot blast stove and the gas-electric dual-purpose heat exchangers which are arranged in parallel, and the heat exchanger in the waste gas treatment device can be utilized for preheating the fresh air, so that the energy sources can be fully saved.
In a word, the utility model has flexible energy acquisition, energy conservation, consumption reduction, cost reduction and efficiency improvement.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
In the figure, 1, a spray drying main tower; 2. a material supply system; 3. a hot air supply system; 31. hot blast stove; 32. a gas-electricity dual-purpose heat exchanger; 33. a first air filter; 34. a heat exchanger; 35. a blower; 36. a second air filter; 4. a first cyclone separator; 5. a bag-type dust collector; 6. a second cyclone separator; 7. a dehumidifier; 8. and (5) a finished product bin.
Detailed Description
The utility model is further illustrated in the following, in conjunction with the accompanying drawings and examples.
Embodiment one:
As shown in fig. 1, a drying device in stevioside production comprises a spray drying main tower 1, wherein the spray drying main tower 1 is provided with a feed inlet (not shown), an air inlet (not shown), a fine powder outlet (not shown) and a coarse powder outlet (not shown), the feed inlet and the air inlet are respectively communicated with a material supply system 2 and a hot air supply system 3 through a pipeline (not shown) and a valve (not shown), the coarse powder outlet is communicated with a first cyclone separator 4 through a pipeline and a valve, the fine powder outlet of the first cyclone separator 4 is communicated with a bag-type dust collector 5, the dust outlet of the bag-type dust collector 5 is communicated with a second cyclone separator 6, the coarse material outlet of the first cyclone separator 4 and the coarse powder outlet of the spray drying main tower 1 are communicated with the second cyclone separator 6 through the same pipeline with a dehumidifier 7, and the material outlet of the second cyclone separator 6 is communicated with a finished product bin 8; the hot air supply system 3 comprises a hot air furnace 31 and a gas-electricity dual-purpose heat exchanger 32 which are arranged in parallel, one end of the hot air furnace 31 and one end of the gas-electricity dual-purpose heat exchanger 32 are both communicated with a fresh air pipeline (not shown), and the other end of the hot air furnace 31 and the other end of the gas-electricity dual-purpose heat exchanger are both communicated with an air inlet of the spray drying main tower 1.
The fresh air duct is provided with a first air filter 33, a heat exchanger 34, a blower 35 and a second air filter 36 in this order.
In actual use, fresh air enters the hot blast stove 31 or the gas-electricity dual-purpose heat exchanger 32 through a first air filter 33, a heat exchanger 34, a blower 35 and a second air filter 36 which are sequentially arranged on a fresh air pipeline; fresh air entering the hot blast stove 31 can be heated by natural gas combustion in a combustor; the fresh air entering the gas-electricity dual-purpose heat exchanger 32 can be heated by steam heating, electric heating or steam-electricity simultaneous heating; therefore, the optimal heating mode can be selected according to the actual conditions of production to heat the fresh air, so that the production cost is reduced as much as possible;
The material liquid to be dried enters the spray drying main tower 1 through the material supply system 2, is atomized through a spray gun and then is dried into particles through heating of hot air, coarse particles (coarse powder) are directly conveyed to the second cyclone separator 6 through a coarse powder outlet and then enter the finished product bin 8, and fine particles (fine powder) enter the first cyclone separator 4 and the cloth bag dust remover 5 in sequence through a fine powder outlet and then enter the second cyclone separator 6 and then enter the finished product bin 8; the pipeline of the fine powder outlet, the first cyclone separator 4 and the cloth bag dust collector 5 communicated with the second cyclone separator 6 is provided with a dehumidifier 7, and dry and clean air can be provided for the pipeline.
The bag-type dust collector 5 is also communicated with an exhaust gas treatment device (not shown), and a heat exchanger 34 in the exhaust gas treatment device can preheat fresh air, so that waste heat is fully utilized, and the purpose of energy source solving is achieved.
The drying device is also provided with a CIP cleaning system (not shown), when the equipment is operated for a period of time or the equipment is to be changed for drying, the equipment is required to be cleaned, firstly cleaning water in a CIP tank (not shown) is heated, when the cleaning water is heated to more than 80 ℃, cleaning water which is opened in the CIP tank is conveyed into the spray drying main tower 1, the first cyclone separator 4, the cloth bag dust collector 5, the second cyclone separator 6 and the finished product bin 8 through a cleaning water pump, finally the cleaned cleaning water flows back into the CIP tank, and after 30 minutes of cleaning, the cleaning water is reversely poured into a workshop for reuse.
It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the utility model as defined in the appended claims.
Claims (7)
1. A drying device in stevioside production, characterized in that: the spray drying main tower is provided with a feed inlet, an air inlet, a fine powder outlet and a coarse powder outlet, wherein the feed inlet and the air inlet are respectively communicated with a material supply system and a hot air supply system through pipelines and valves, and the coarse powder outlet is communicated with a first cyclone separator through the pipelines and the valves; the fine material outlet of the first cyclone separator is communicated with the bag-type dust remover, and the dust material outlet of the bag-type dust remover is communicated with the second cyclone separator; the coarse material outlet of the first cyclone separator and the coarse material outlet of the spray drying main tower are communicated to the second cyclone separator through the same pipeline communicated with the dehumidifier, and the material outlet of the second cyclone separator is communicated to the finished product bin; the hot air supply system comprises a hot air furnace and a gas-electricity dual-purpose heat exchanger which are arranged in parallel, one ends of the hot air furnace and the gas-electricity dual-purpose heat exchanger are both communicated to a fresh air pipeline, and the other ends of the hot air furnace and the gas-electricity dual-purpose heat exchanger are both communicated to an air inlet of the spray drying main tower.
2. The drying apparatus for stevioside production according to claim 1, wherein: the drying device is also provided with a CIP cleaning system.
3. The drying apparatus for stevioside production according to claim 1, wherein: the material supply system comprises a material liquid tank, a material liquid filter and a high-pressure pump which are sequentially communicated through a pipeline and a valve, wherein the material liquid filter and the high-pressure pump are arranged in parallel, and the high-pressure pump is communicated to a feed inlet of the spray drying main tower.
4. The drying apparatus for stevioside production according to claim 1, wherein: the first cyclone separators are connected in parallel.
5. The drying apparatus for stevioside production according to claim 1, wherein: the gas material outlet of the bag-type dust collector is communicated with an exhaust gas treatment device, the exhaust gas treatment device comprises an induced draft fan, a heat exchanger and a spray tower, and the heat exchanger is communicated with a fresh air pipeline.
6. The drying apparatus for stevioside production according to claim 5, wherein: the fresh air pipeline is sequentially provided with a first air filter, a heat exchanger, a blower and a second air filter, and an air outlet of the second air filter is communicated with the hot blast stove and the air-electricity dual-purpose heat exchanger respectively.
7. The drying apparatus for stevioside production according to claim 1, wherein: the second cyclone separator is also communicated to the bag-type dust collector through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322178085.XU CN220824474U (en) | 2023-08-12 | 2023-08-12 | Drying device in stevioside production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322178085.XU CN220824474U (en) | 2023-08-12 | 2023-08-12 | Drying device in stevioside production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220824474U true CN220824474U (en) | 2024-04-23 |
Family
ID=90723559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322178085.XU Active CN220824474U (en) | 2023-08-12 | 2023-08-12 | Drying device in stevioside production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220824474U (en) |
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2023
- 2023-08-12 CN CN202322178085.XU patent/CN220824474U/en active Active
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