CN219897068U - Spray drying system is used in stevioside production - Google Patents
Spray drying system is used in stevioside production Download PDFInfo
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- CN219897068U CN219897068U CN202321278407.1U CN202321278407U CN219897068U CN 219897068 U CN219897068 U CN 219897068U CN 202321278407 U CN202321278407 U CN 202321278407U CN 219897068 U CN219897068 U CN 219897068U
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- communicated
- stevioside
- air outlet
- filter
- discharge gate
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- 229940013618 stevioside Drugs 0.000 title claims abstract description 54
- 235000019202 steviosides Nutrition 0.000 title claims abstract description 54
- 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 53
- 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 53
- 238000001694 spray drying Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 43
- 238000001035 drying Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 239000004744 fabric Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 5
- 239000002699 waste material 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
- 238000007710 freezing Methods 0.000 description 3
- 239000005720 sucrose Substances 0.000 description 3
- 230000008014 freezing Effects 0.000 description 2
- 241000208838 Asteraceae Species 0.000 description 1
- 244000228451 Stevia rebaudiana Species 0.000 description 1
- 235000006092 Stevia rebaudiana Nutrition 0.000 description 1
- 239000004383 Steviol glycoside Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000021096 natural sweeteners Nutrition 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 235000019411 steviol glycoside Nutrition 0.000 description 1
- 229930182488 steviol glycoside Natural products 0.000 description 1
- 150000008144 steviol glycosides Chemical class 0.000 description 1
- 235000019605 sweet taste sensations Nutrition 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to the technical field of stevioside production, in particular to a spray drying system for stevioside production, which comprises a drying tower, wherein a sprayer communicated with a stevioside feed liquid conveying pipeline is arranged above the inside of the drying tower, a wind distribution pipe communicated with a hot wind supply device is arranged above the sprayer, a storage chamber of the drying tower is communicated with a cyclone separator, an air outlet of the cyclone separator is communicated with a first cloth bag dust remover, and an air outlet of the first cloth bag dust remover is communicated with the hot wind supply device; the discharge gate intercommunication row material pipeline of drying tower, the one end intercommunication freeze dehumidifier of row material pipeline, the other end of row material pipeline is linked together with cyclone's discharge gate, the discharge gate of first sack cleaner and second sack cleaner in proper order, and the discharge gate of second sack cleaner communicates the storage silo. The spray drying system with the structure greatly improves the drying efficiency, reduces the environmental pollution and saves the energy consumption.
Description
Technical Field
The utility model relates to the technical field of stevioside production, in particular to a spray drying system for stevioside production.
Background
Steviol glycoside is a modern natural sweetener extracted from stevia rebaudiana leaves, a perennial herb of the family Compositae. The sweetness is 200-350 times of that of the sucrose, the calorie is only 1/300 of that of the sucrose, the taste is pure and is similar to that of the sucrose, and the sweet taste is realized, so that the edible safety is realized. In the existing stevioside production process, the extracted feed liquid is subjected to evaporation concentration and then spray drying. The existing spray drying equipment utilizes hot air and stevioside feed liquid to dry, and then sub-packaging is carried out after cooling; the spray drying apparatus described above has the following problems in practical applications: on one hand, heat in the stevioside product can be directly wasted in the split charging process, which definitely causes energy waste; on the other hand, dust generated in the split charging process can pollute the environment. Therefore, in view of the above problems, there is a need to develop a spray drying system for stevioside production.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects of the prior art, the spray drying system for stevioside production is provided, and the heat in the dried stevioside product can be recycled by using the spray drying system, so that the energy waste is avoided, and the environmental pollution is reduced.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the spray drying system for stevioside production comprises a drying tower, wherein a sprayer communicated with a stevioside feed liquid conveying pipeline is arranged above the inside of the drying tower, a wind distribution pipe communicated with a hot wind supply device is arranged above the sprayer, a material storage chamber of the drying tower is communicated with a cyclone separator, an air outlet of the cyclone separator is communicated with a first cloth bag dust remover, and an air outlet of the first cloth bag dust remover is communicated with the hot wind supply device; the bottom discharge gate intercommunication row material pipeline of drying tower, the one end intercommunication freeze dehumidifier of row material pipeline, the row material pipeline other end is linked together with cyclone's discharge gate, the discharge gate of first sack cleaner and second sack cleaner in proper order, the discharge gate intercommunication storage silo of second sack cleaner.
As an improved technical scheme, the sprayer comprises a connecting pipe communicated with a stevioside feed liquid conveying pipeline, and a spray head or a spray gun is arranged at the end part of the connecting pipe.
As an improved technical scheme, the hot air supply device comprises a blower, a first filter is arranged at an air inlet of the blower, an air outlet of the blower is communicated with a heat exchanger, a heating medium inlet of the heat exchanger is communicated with an air outlet of the first bag-type dust collector, an air outlet of the heat exchanger is communicated with an electric heater, an air outlet of the motor heater is communicated with a second filter, and an air outlet of the second filter is communicated with an air distribution pipe.
As an improved technical scheme, the first filter is a filter cover arranged at the air inlet of the blower, and the second filter is a high-temperature efficient filter.
As an improved technical scheme, the exhaust port of the first bag-type dust collector is communicated with the heat exchanger through an induced draft fan.
As an improved technical scheme, the discharge port of the second bag-type dust collector is communicated with a plurality of storage bins through a distributing valve.
After the technical scheme is adopted, the utility model has the beneficial effects that:
the spray drying system for stevioside production comprises a drying tower, wherein a sprayer communicated with a stevioside feed liquid conveying pipeline is arranged above the inside of the drying tower, a wind distribution pipe communicated with a hot wind supply device is arranged above the sprayer, a storage chamber of the drying tower is communicated with a cyclone separator, an air outlet of the cyclone separator is communicated with a first cloth bag dust remover, and an air outlet of the first cloth bag dust remover is communicated with the hot wind supply device; the bottom discharge gate intercommunication row material pipeline of drying tower, the one end intercommunication freeze dehumidifier of row material pipeline, row material pipeline other end are linked together with cyclone's discharge gate, the discharge gate of first sack cleaner and second sack cleaner in proper order, and the discharge gate of second dust cleaner communicates a plurality of storage bins. In actual production, stevioside feed liquid to be dried enters a sprayer along a stevioside feed liquid conveying pipeline, is uniformly sprayed and opened through the sprayer, hot air is conveyed to the inside of a drying tower by a hot air supply device, then the stevioside feed liquid is dried, the dried stevioside product is scattered at the bottom of the drying tower, then cooled by cold air supplied by a freezing dehumidifier, and under the action of the cold air, the stevioside product enters a second cloth bag dust collector along a discharge pipeline, and finally enters the inside of a plurality of storage bins through a distributing valve. In the process of cooling the stevioside product, part of stevioside product entrains hot air to enter the cyclone separator, after the separated material dust falls into the discharge pipeline, the material dust is pumped into the second cloth bag dust remover under the action of a draught fan, the hot air discharged by the cyclone separator entrains a small amount of material dust to enter the first cloth bag dust remover, the trapped material dust falls into the discharge pipeline, the material dust is pumped into the second cloth bag dust remover under the action of the draught fan, and the hot air enters the hot air supply device to preheat fresh air. The spray drying system with the structure is reasonable in design, realizes spray drying of stevioside feed liquid, greatly improves drying efficiency, avoids dust generation in the cooling process and the product storage process, avoids material waste, effectively utilizes heat carried in stevioside products, and saves energy consumption.
Because the sprayer comprises a connecting pipe communicated with the stevioside feed liquid conveying pipeline, a spray head or a spray gun is arranged at the end part of the connecting pipe. The stevioside liquid to be dried enters a connecting pipe along a conveying pipeline, is sprayed through a spray head or a spray gun, and is dried after being contacted with hot air. The sprayer is reasonable in design and simple in structure, and can uniformly spray stevioside feed liquid.
Because the hot air supply device comprises a blower, an air inlet of the blower is provided with a first filter, an air outlet of the blower is communicated with a heat exchanger, a heating medium inlet of the heat exchanger is communicated with an air outlet of the first bag-type dust collector, an air outlet of the heat exchanger is communicated with an electric heater, an air outlet of the motor heater is communicated with a second filter, and an air outlet of the second filter is communicated with an air distribution pipe. Under the action of the blower, fresh air passes through the first filter and then enters the heat exchanger, is preheated and then enters the electric heater to be heated, then passes through the second filter, finally enters the drying tower to be dispersed through the air distribution pipe, and the stevioside feed liquid is dried. The hot air supply device with the structure has reasonable design and realizes the effective drying of stevioside feed liquid.
The first filter is a filter cover arranged at the air inlet of the blower, and the second filter is a high-temperature efficient filter. Under the effect of air-blower, the new trend passes the filter mantle, can effectively get rid of the dust, then carries out the heat exchanger again and preheats the back, and the heating of rethread heater is passing high temperature high efficiency and is filtering, can effectively get rid of the dust of new trend, has improved hot-blast cleanliness factor, has further guaranteed the quality of stevioside product.
Because the exhaust port of the first bag-type dust collector is communicated with the heat exchanger through the induced draft fan. Hot gas after dust removal of the first bag-type dust remover can be conveyed to the heat exchanger through the induced draft fan, and fresh air can be preheated conveniently. The fresh air preheating device is reasonable in design and convenient to preheat fresh air.
Drawings
FIG. 1 is a schematic diagram of a spray drying system for stevioside production according to the present utility model;
the device comprises a 1-drying tower, a 2-stevioside feed liquid conveying pipeline, a 3-sprayer, a 30-connecting pipe, a 31-sprayer, a 4-air distribution pipe, a 5-cyclone separator, a 6-first bag-type dust collector, a 7-heat exchanger, an 8-blower, a 9-first filter, a 10-electric heater, a 11-second filter, a 12-discharge pipeline, a 13-freezing dehumidifier, a 14-storage bin, a 15-induced draft fan, a 16-second bag-type dust collector and a 17-distributing valve.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The spray drying system for stevioside production is shown in fig. 1, and comprises a drying tower 1, wherein a sprayer 3 (comprising a connecting pipe and a spray header arranged at the end part of the connecting pipe) communicated with a stevioside material liquid conveying pipeline 2 is arranged above the inside of the drying tower 1, a wind distribution pipe 4 is arranged above the sprayer 3, a material storage chamber of the drying tower 1 is communicated with a cyclone 5, an air outlet of the cyclone 5 is communicated with a first bag dust collector 6, an air outlet of the first bag dust collector 6 is communicated with a heating medium inlet of a heat exchanger 7 (a tubular heat exchanger) through a draught fan 15, an air inlet of the heat exchanger 7 is communicated with a blower 8, one end of the blower 8 is provided with a first filter 9 (a filter cover), an air outlet of the heat exchanger 7 is communicated with an electric heater 10, an air outlet of the electric heater 10 is communicated with a second filter 11 (high-temperature high-efficiency filter and purchased from a manufacturer), and an air outlet of the second filter is communicated with the wind distribution pipe 4; the bottom discharge gate intercommunication row material pipeline 12 of drying tower 1, the one end intercommunication freeze dehumidifier 13 (purchase from the producer) of row material pipeline 12, row material pipeline 12 other end is linked together with cyclone 5's discharge gate, the discharge gate of first sack cleaner 6 and second sack cleaner 16 in proper order, and the discharge gate of second sack cleaner is linked together with a plurality of storage bins 14 through feed divider 17.
In actual production, stevioside liquid to be dried enters a connecting pipe of a sprayer along a stevioside liquid conveying pipeline, is uniformly sprayed through a spray head, fresh air passes through a first filter (a filter cover) under the action of a blower and then enters a heat exchanger, is preheated and then enters an electric heater to be heated, then passes through a second filter (a high-temperature high-efficiency filter), finally enters the inside of a drying tower and is dispersed through an air distribution pipe, and the stevioside liquid is dried. The dried stevioside product is scattered at the bottom of the drying tower, then cooled by cold air supplied by the freezing dehumidifier, and enters the second bag-type dust remover along the discharging pipeline under the action of the cold air and an induced draft fan communicated with the second bag-type dust remover, and then enters the storage bins under the action of the distributing valve. In the process of cooling the stevioside product, part of stevioside product entrains hot air to enter the cyclone separator, separated material dust falls into a discharge pipeline, the hot air discharged by the cyclone separator entrains a small amount of material dust to enter the first bag-type dust remover, the trapped material dust falls into the discharge pipeline, and the hot air enters a heat exchanger of the hot air supply device to preheat fresh air. The spray drying system with the structure is reasonable in design, realizes spray drying of stevioside feed liquid, greatly improves drying efficiency, does not generate dust in the cooling process and the product storage process, reduces material waste, can effectively utilize heat carried in stevioside products, and saves energy consumption.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. A spray drying system for stevioside production, characterized in that: the automatic stevioside drying device comprises a drying tower, wherein a sprayer communicated with a stevioside feed liquid conveying pipeline is arranged above the inside of the drying tower, a wind distribution pipe communicated with a hot wind supply device is arranged above the sprayer, a material storage chamber of the drying tower is communicated with a cyclone separator, an air outlet of the cyclone separator is communicated with a first cloth bag dust remover, and an air outlet of the first cloth bag dust remover is communicated with the hot wind supply device; the bottom discharge gate intercommunication row material pipeline of drying tower, the one end intercommunication freeze dehumidifier of row material pipeline, the row material pipeline other end is linked together with cyclone's discharge gate, the discharge gate of first sack cleaner and second sack cleaner in proper order, the discharge gate intercommunication storage silo of second sack cleaner.
2. A spray drying system for stevioside production according to claim 1, wherein: the sprayer comprises a connecting pipe communicated with the stevioside feed liquid conveying pipeline, and a spray head or a spray gun is arranged at the end part of the connecting pipe.
3. A spray drying system for stevioside production according to claim 1, wherein: the hot air supply device comprises a blower, a first filter is arranged at an air inlet of the blower, an air outlet of the blower is communicated with a heat exchanger, a heating medium inlet of the heat exchanger is communicated with an air outlet of the first bag-type dust collector, an air outlet of the heat exchanger is communicated with an electric heater, an air outlet of the motor heater is communicated with a second filter, and an air outlet of the second filter is communicated with an air distribution pipe.
4. A spray drying system for stevioside production according to claim 1, wherein: the first filter is a filter cover arranged at the air inlet of the blower, and the second filter is a high-temperature efficient filter.
5. A spray drying system for stevioside production according to claim 1, wherein: and an exhaust port of the first bag-type dust collector is communicated with the heat exchanger through an induced draft fan.
6. A spray drying system for stevioside production according to claim 1, wherein: and a discharge hole of the second bag-type dust collector is communicated with a plurality of storage bins through a distributing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321278407.1U CN219897068U (en) | 2023-05-24 | 2023-05-24 | Spray drying system is used in stevioside production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321278407.1U CN219897068U (en) | 2023-05-24 | 2023-05-24 | Spray drying system is used in stevioside production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219897068U true CN219897068U (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321278407.1U Active CN219897068U (en) | 2023-05-24 | 2023-05-24 | Spray drying system is used in stevioside production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219897068U (en) |
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2023
- 2023-05-24 CN CN202321278407.1U patent/CN219897068U/en active Active
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