CN219861250U - Wet dreg desolventizing and drying device - Google Patents
Wet dreg desolventizing and drying device Download PDFInfo
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- CN219861250U CN219861250U CN202320963160.0U CN202320963160U CN219861250U CN 219861250 U CN219861250 U CN 219861250U CN 202320963160 U CN202320963160 U CN 202320963160U CN 219861250 U CN219861250 U CN 219861250U
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- wet
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- tray
- cooler
- desolventizing
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- 238000001035 drying Methods 0.000 title claims abstract description 62
- 235000012054 meals Nutrition 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims description 22
- 238000009835 boiling Methods 0.000 claims description 21
- 238000010025 steaming Methods 0.000 claims description 17
- 238000007605 air drying Methods 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 14
- 238000002386 leaching Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 description 12
- 239000000428 dust Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 239000008213 purified water Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a wet meal desolventizing and drying device, which comprises: the utility model mainly utilizes the multi-layer steam stripping machine and the multi-layer drying cooler arranged at the rear end of the leacher, thereby effectively reducing the water content in the meal, reducing the using amount of steam and improving the production efficiency.
Description
Technical Field
The utility model relates to the technical field of grease leaching processing, in particular to a wet meal desolventizing and drying device.
Background
Most vegetable oils are extracted by solvent leaching. The oil blank sheet is sent from the pretreatment workshop to the leaching workshop through a conveyor belt and enters a leacher. In the leacher, the grease in the oil is dissolved in the solvent, thus realizing the separation of oil and meal. And (3) the mixed oil leaves the leacher, and the mixed oil solvent distillation and solvent recovery are carried out to obtain leached crude oil. The wet meal discharged from the leacher is desolventized, dried and cooled to obtain the finished product meal. In the prior art, wet meal discharged from a leacher is conveyed to a steam stripping machine, desolventized on a pre-steaming and desolventizing disc, a distribution disc and a jet disc, leaves the steam stripping machine after desolventizing by the steam stripping machine, is conveyed to an integrated drying-cooling device, and is dried and cooled on an air drying disc and an air cooling disc, so that the moisture of the meal is reduced, the trade requirement is met, and meanwhile, the temperature of the meal is reduced, and the subsequent storage is facilitated. In the prior art, the pre-steaming stripping plate has only one layer, and the stripping speed of the distribution plate and the injection plate is influenced. The integrated drying-cooling device is not provided with a steam drying disc, and when the moisture of the wet meal is more than 18.5%, the air drying disc can not reduce the moisture of the wet meal to below 12%. Only the air heater on the air cooling coil line can be turned on, and the precipitation of the dry meal is divided into 10-12%. The steam usage amount is increased, and the production efficiency is reduced.
Therefore, a wet dreg desolventizing and drying device needs to be designed.
Disclosure of Invention
According to the technical problems, a wet meal desolventizing and drying device is provided. The utility model mainly utilizes the multi-layer steam stripping machine and the drying cooler arranged at the rear end of the leacher, thereby effectively reducing the moisture in the meal, reducing the usage amount of steam and improving the production efficiency. The utility model adopts the following technical means:
a wet cake desolventizing and drying apparatus, comprising: the leaching device comprises a leaching device, a steam stripping machine, an integrated drying cooler and a temporary storage tank, wherein the bottom of the leaching device is connected with the left side of the top of the steam stripping machine, the bottom of the steam stripping machine is connected with the top of the integrated drying cooler, and the bottom of the integrated drying cooler is connected with the top of the temporary storage tank.
Further, the steam separator is connected with the integrated drying cooler through a central shaft, a plurality of pairs of stirring fins are arranged on the central shaft, and a feed opening of the steam separator is connected with a feed opening of the integrated drying cooler through an electronic feed valve.
Further, a first layer of pre-steaming tray, a second layer of pre-steaming tray, a distribution tray and a spraying tray are arranged in the steaming machine, and a steam drying tray, an air drying tray and an air cooling tray are arranged in the integrated drying cooler.
Further, a wet type catcher is arranged on the right side of the steam stripping machine, the top of the right side of the steam stripping machine is connected with the lower end of one side of the wet type catcher through a valve I, a water boiling tank is arranged on the right side of the wet type catcher, the bottom of the wet type catcher is connected with the upper end of one side of the water boiling tank, the other side of the water boiling tank is connected with the upper end of the wet type catcher through an automatic pump, and a first evaporator is arranged at the top end of the wet type catcher.
Further, the lower extreme of integrated dry cooler is equipped with centrifugal fan, centrifugal fan with be equipped with two pipelines between the integrated dry cooler, two be equipped with valve III, air heater I and valve IV and air heater II on the pipeline respectively, two the pipeline respectively with air drying dish and air cooling dish link to each other.
Furthermore, a cyclone separator is arranged on the right side of the integrated drying cooler, pipelines are arranged on each layer of disc of the integrated drying cooler, and the integrated drying cooler is connected with the cyclone separator through the pipelines.
Further, a valve II is arranged at the bottom of the water boiling tank; the bottom of the temporary storage tank is provided with a valve V.
The utility model has the following advantages:
1. the wet meal desolventizing and drying device provided by the utility model has the advantages that the multi-layer evaporator and the drying cooler are arranged at the rear end of the leacher, so that the effects of effectively reducing the moisture in the meal, reducing the usage amount of steam and improving the production efficiency are achieved.
For the reasons, the utility model can be widely popularized in the fields of grease leaching processing technology and the like.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of a wet cake desolventizing and drying apparatus according to the present utility model.
In the figure: 1. a leacher; 2. a steam stripping machine; 3. an integrated drying cooler; 4. a wet trap; 5. a valve I; 6. a water boiling tank; 7. an automatic pump; 8. a first evaporator; 9. a valve II; 10. a central shaft; 11. an electronic blanking valve; 12. a centrifugal ventilator; 13. a valve III; 14. a valve IV; 15. an air heater I; 16. an air heater II; 17. a cyclone separator; 18. a temporary storage tank; 19. and a valve V.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in FIG. 1, the device for desolventizing and drying wet meal provided by the utility model comprises: the system comprises a leacher 1, a steam generator 2, an integrated drying cooler 3 and a temporary storage tank 18, wherein the bottom of the leacher 1 is connected with the left side of the top of the steam generator 2, the bottom of the steam generator 2 is connected with the top of the integrated drying cooler 3, and the bottom of the integrated drying cooler 3 is connected with the top of the temporary storage tank 18; the evaporator-dryer is characterized in that the evaporator-dryer 2 is connected with the integrated drying cooler 3 through a central shaft 10, a plurality of pairs of stirring fins are arranged on the central shaft 10, and a feed opening of the evaporator-dryer 2 is connected with a feed opening of the integrated drying cooler 3 through an electronic feed valve 11; a first layer of pre-steaming tray, a second layer of pre-steaming tray, a distribution tray and a spray tray are arranged in the steaming and steaming machine 2, and a steam drying tray, an air drying tray and an air cooling tray are arranged in the integrated drying cooler 3; the right side of the steam stripping machine 2 is provided with a wet type catcher 4, the top of the right side of the steam stripping machine 2 is connected with the lower end of one side of the wet type catcher 4, the right side of the wet type catcher 4 is provided with a water boiling tank 6, the bottom of the wet type catcher 4 is connected with the upper end of one side of the water boiling tank 6 through a valve I5, the other side of the water boiling tank 6 is connected with the upper end of the wet type catcher 4 through an automatic pump 7, and the top end of the wet type catcher 4 is provided with a first evaporator 8; the lower end of the integrated drying cooler 3 is provided with a centrifugal ventilator 12, two pipelines are arranged between the centrifugal ventilator 12 and the integrated drying cooler 3, a valve III 13, an air heater I15, a valve IV 14 and an air heater II 16 are respectively arranged on the two pipelines, and the two pipelines are respectively connected with the air drying disc and the air cooling disc; the right side of the integrated drying cooler 3 is provided with a cyclone 17, each layer of disc of the integrated drying cooler 3 is provided with a pipeline, and the integrated drying cooler 3 is connected with the cyclone 17 through the pipeline; the bottom of the water boiling tank 6 is provided with a valve II 9; the bottom of the temporary storage tank 18 is provided with a valve V19.
Example 1
As shown in fig. 1, the utility model provides a wet pulp desolventizing and drying device, which is provided with a leacher 1, wherein the bottom of the leacher 1 is connected with the left top of a steam-off machine 2, the bottom of the steam-off machine 2 is connected with the top of an integrated drying-cooling device 3, and the bottom of the integrated drying-cooling device 3 is connected with the top of a temporary storage tank 18; the evaporator 2 is connected with the integrated drying-cooling device 3 by a central shaft 10, the central shaft 10 is provided with a pair of stirring wings at each disc surface, and the rotating speed of the central shaft 10 is 25-35r/min. The feed opening of the steam stripping machine 2 is correspondingly communicated with the feed opening of the integrated drying-cooling device 3, and is provided with an electronic feed valve 11; the steam-off machine 2 is provided with 4 layers of trays, namely a first layer of pre-steam-off tray, a second layer of pre-steam-off tray, a distribution tray and a jet tray. The integrated drying-cooling device 3 is provided with 3 layers of trays, namely a steam drying tray, an air drying tray and an air cooling tray; the top of the right side of the steam stripping machine 2 is connected with the lower part of one side of the wet type catcher 4, the bottom of the wet type catcher 4 is connected with the upper part of one side of the water boiling tank 6, the bottom of the other side of the water boiling tank 6 is connected with the automatic pump 7, the other side of the automatic pump 7 is connected with the upper part of one side of the wet type catcher 4, and the top of the wet type catcher 4 is connected with the bottom of the first evaporator 8; the purified water is filled in the water boiling tank 6, the water level exceeds the height of a pipeline connected with the automatic pump 7, after indirect steam heats the purified water to 85-90 ℃, the automatic pump 7 is turned on, upper hot water in the water boiling tank 6 is sprayed to the upper part of the wet type catcher 4, the sprayed hot water mist drops are utilized to catch meal dust, the meal dust and the hot water are collected to the bottom of the wet type catcher 4, the valve I5 is opened, the meal dust and the hot water are placed in the water boiling tank 6, the meal dust is settled to the bottom of the water boiling tank 6, and the hot water is recycled; the centrifugal ventilator 12 is communicated with two pipelines, and the pipelines are respectively provided with a valve III 13, an air heater I15, a valve IV 14 and an air heater II 16. And are respectively connected with the air drying disc and the air cooling disc; the upper part of the right side of each layer of disc of the integrated drying-cooling device 3 is provided with a pipeline which is connected with a cyclone separator 17; the steam stripping machine 2 and the integrated drying-cooling device 3 are distributed in a Z shape from top to bottom; the bottom of the water boiling tank 6 is provided with a valve II 9 for cleaning the meal dust and the wastewater regularly; the bottom of the temporary storage tank 18 is provided with a valve V19 for subpackaging and packaging the dried meal into bags; the distribution plate in the steam stripping machine 2 is a hollow bolt tray, the aperture ratio is about 10%, and the aperture is a hexagonal hollow bolt with 18 mm; the spraying disc is provided with small holes which are uniformly distributed, and the aperture is 3.5mm; the air drying plate and the air cooling plate are provided with a plurality of holes, and the aperture is 6mm.
Example 2
The oil is leached by solvent in the leacher 1, and the wet meal is sent to the evaporator 2. The wet meal enters from the top of the steam stripping machine 2 and falls onto a first layer of pre-steam stripping plate, the wet meal is heated by indirect steam on the pre-steam stripping plate, the temperature of the wet meal is increased to 65-68 ℃, the solvent on the surface of the wet meal is removed, and 10% -25% of the solvent is evaporated. Meanwhile, the stirring wing scrapes the wet meal on the first steaming tray, falls onto the second layer of pre-steaming tray from the blanking opening, the second layer of pre-steaming tray and the first layer of pre-steaming tray are in the same state, the wet meal is indirectly heated by steam on the pre-steaming tray, the temperature of the wet meal is increased to 70-75 ℃, and the preparation is made for removing the solvent in the wet meal on the distribution layer. The stirring wing scrapes the wet meal on the second steaming tray, falls onto a distribution tray from a feed opening, and the distribution tray is a hollow bolt tray, and directly steamed in the tray. The distribution plate conducts heat to the wet meal on the distribution plate through the upper surface, and the distribution plate provides gaps for direct steam to uniformly enter the wet meal on the distribution plate, so that the temperature of the wet meal can reach 100-105 ℃. As the direct steam passes through the wet cake, the solvent in the wet cake is evaporated and the steam condenses into water that remains in the wet cake, causing the moisture of the wet cake to increase, typically 18% -22%. Under the action of direct steam and indirect steam, 99% of the solvent in the wet cake has been removed. The stirring wing scrapes the wet meal on the distribution plate, the wet meal falls onto the injection plate from the feed opening, small holes are uniformly distributed on the injection plate, direct steam is facilitated to uniformly enter the wet meal, the temperature of the wet meal can reach 105-110 ℃, the steam is used for stripping residual trace solvent in the wet meal, final desolventizing is completed, and the residual solvent of the wet meal is reduced to below 600 ppm. The mixed steam with the solvent is sprayed out from a steam outlet, the temperature is 80-85 ℃, and the mixed steam enters the first evaporator 8 after the residue is trapped by the wet trap 4 and the water boiling tank 6. The electronic blanking valve 11 is automatically opened when the height of the material layer is sensed, the stirring wing scrapes the wet meal on the injection disk, the wet meal falls onto the steam drying disk from the blanking opening at the electronic blanking valve 11, the wet meal is indirectly heated by steam on the steam drying disk, and the temperature of the wet meal is maintained at 105-110 ℃ so that the moisture of the wet meal is reduced to 16.5% -18.5%. The vapor from the evaporation of the wet meal is discharged from the side of the integrated dryer-cooler and enters the cyclone 17 for evacuation. The stirring wing scrapes the wet meal on the steam drying disc, the wet meal falls onto the air drying disc from the feed opening, a plurality of openings are designed on the air drying disc, so that the entering air is uniformly distributed into the wet meal, the air enters the air drying disc through an air heater under the action of the centrifugal ventilator 12, and the hot air passes through the wet meal at 14-21m/min after entering the drying disc, so that the temperature of the wet meal is reduced to 40-55 ℃, and meanwhile, the moisture of the wet meal is reduced to 10% -12%. The hot and humid air overflows from the top of the meal layer and is discharged from the side of the integrated dryer-cooler, enters the cyclone 17 to remove dust therein, and is then emptied. The stirring wing scrapes the dried meal on the air drying disc, the dried meal falls onto the air cooling disc from the feed opening, a plurality of openings are designed on the air cooling disc, so that the entering air is uniformly distributed into the dried meal, and the air passes through the dried meal at 14-21m/min under the action of the centrifugal ventilator 12, so that the final temperature of the dried meal is 7-10 ℃ higher than the ambient temperature. Cool air overflows from the top of the meal layer and is discharged from the side of the integrated dryer-cooler, enters the cyclone 17 to remove dust therefrom, and is then emptied. The dust collected by the cyclone 17 is sent to a temporary storage tank 18 together with the dried meal, and then packaged in bags for sale of animal feed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. A wet cake desolventizing and drying apparatus, comprising: the leaching device comprises a leaching device, a steam stripping machine, an integrated drying cooler and a temporary storage tank, wherein the bottom of the leaching device is connected with the left side of the top of the steam stripping machine, the bottom of the steam stripping machine is connected with the top of the integrated drying cooler, and the bottom of the integrated drying cooler is connected with the top of the temporary storage tank.
2. The wet meal desolventizing and drying device according to claim 1, wherein the evaporator is connected with the integrated drying cooler through a central shaft, a plurality of pairs of stirring fins are arranged on the central shaft, and a feed opening of the evaporator is connected with a feed opening of the integrated drying cooler through an electronic feed valve.
3. The wet meal desolventizing and drying device according to claim 2, wherein the first layer of pre-steaming tray, the second layer of pre-steaming tray, the distribution tray and the spraying tray are arranged in the steam stripping machine, and the steam drying tray, the air drying tray and the air cooling tray are arranged in the integrated drying cooler.
4. A wet pulp desolventizing and drying device according to claim 3, wherein a wet trap is arranged on the right side of the evaporator, the top of the right side of the evaporator is connected with the lower end of one side of the wet trap, a water boiling tank is arranged on the right side of the wet trap, the bottom of the wet trap is connected with the upper end of one side of the water boiling tank through a valve I, the other side of the water boiling tank is connected with the upper end of the wet trap through an automatic pump, and a first evaporator is arranged at the top end of the wet trap.
5. The wet pulp desolventizing and drying device according to claim 4, wherein a centrifugal fan is arranged at the lower end of the integrated drying cooler, two pipelines are arranged between the centrifugal fan and the integrated drying cooler, a valve III, an air heater I, a valve IV and an air heater II are respectively arranged on the two pipelines, and the two pipelines are respectively connected with the air drying tray and the air cooling tray.
6. The wet pulp desolventizing and drying device according to claim 4, wherein a cyclone separator is provided on the right side of the integrated drying cooler, each layer of tray of the integrated drying cooler is provided with a pipeline, and the integrated drying cooler is connected with the cyclone separator through the pipeline.
7. The wet pulp desolventizing and drying device according to claim 4, wherein a valve II is provided at the bottom of the water boiling tank; the bottom of the temporary storage tank is provided with a valve V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320963160.0U CN219861250U (en) | 2023-04-25 | 2023-04-25 | Wet dreg desolventizing and drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320963160.0U CN219861250U (en) | 2023-04-25 | 2023-04-25 | Wet dreg desolventizing and drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219861250U true CN219861250U (en) | 2023-10-20 |
Family
ID=88337522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320963160.0U Active CN219861250U (en) | 2023-04-25 | 2023-04-25 | Wet dreg desolventizing and drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219861250U (en) |
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2023
- 2023-04-25 CN CN202320963160.0U patent/CN219861250U/en active Active
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