CN215250689U - Energy-saving desolventizer-toaster - Google Patents
Energy-saving desolventizer-toaster Download PDFInfo
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- CN215250689U CN215250689U CN202023233996.0U CN202023233996U CN215250689U CN 215250689 U CN215250689 U CN 215250689U CN 202023233996 U CN202023233996 U CN 202023233996U CN 215250689 U CN215250689 U CN 215250689U
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Abstract
The utility model provides an energy-conserving desolventizing machine, includes desolventizing layer and the stoving layer that is set up by top-down on the main shaft, desolventizing layer includes desolventizing layer chassis, be provided with first discharge gate on the desolventizing layer chassis desolventizing layer and stoving layer have set up the negative pressure layer between layer, the negative pressure layer comprises the pot body, chassis and desolventizing stirring sword, the main shaft runs through the chassis center to install desolventizing stirring sword on the main shaft of chassis top, the chassis is the intermediate layer hot plate, still be provided with the second discharge gate on the chassis, the relevant wind ware of first discharge gate and second discharge gate installation, be connected with the steam discharge pipe on the negative pressure layer lateral wall, steam discharge pipe and vacuum pump connection, the vacuum pump export is connected with the steam conduit, steam conduit and desolventizing layer intercommunication. After the negative pressure layer is added, the desolventizing efficiency is improved, and the quality of the protein of the meal is improved.
Description
Technical Field
The utility model relates to a grease production facility technical field, concretely relates to energy-conserving desolventizer-toaster.
Background
The cake of vegetable oil after completion of oil extraction is called wet cake, which contains about 30% of residual solvent and water. The wet meal enters a desolventizer-toaster, and the solvent and the moisture in the wet meal are gasified and removed through steam heating. Traditional evapo-separated machine generally includes delaminating in advance, desolventizing layer, stoving layer, main shaft and motor, and the main shaft from the top runs through delaminating in advance, desolventizing layer and stoving layer in proper order, and the below on stoving layer is provided with motor and speed reducer, and the casing side of delaminating in advance is provided with the feed inlet, and the casing bottom on stoving layer is provided with the discharge gate. Conveying the wet meal into a desolventizer-toaster, performing pre-removal in the pre-separation layer by indirect steam heating, conveying the wet meal to a desolventizing layer, directly heating by steam to remove a solvent, and drying the removed wet meal in a drying layer. When the solvent is removed in a desolventizing layer by a traditional desolventizing machine, the difficulty is increased when the solvent is removed to a certain degree, a large amount of steam is consumed, the energy consumption is high, and the protein of the meal is easy to change.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide an energy-conserving evapo-separated machine, set up the negative pressure layer between desolventizing layer and stoving layer, desolventizing layer removes the solvent in the wet meal to certain degree after, changes over to the negative pressure layer and desolventizes through the vacuum distillation, and the hot steam that takes out returns desolventizing layer and carries out recycle.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides an energy-conserving desolventizing machine, includes desolventizing layer and the stoving layer that is set up by top-down on the main shaft, desolventizing layer includes desolventizing layer chassis, be provided with first discharge gate on the desolventizing layer chassis desolventizing layer and stoving layer have set up the negative pressure layer between layer, the negative pressure layer includes the pot body, chassis and desolventizing stirring sword, the main shaft runs through the chassis center to install desolventizing stirring sword on the main shaft of chassis top, the chassis is the steam intermediate layer hot plate, still be provided with the second discharge gate on the chassis, the relevant wind ware of first discharge gate and second discharge gate installation, be connected with the steam discharge pipe on the negative pressure layer pot body, steam discharge pipe and vacuum pump connection, the vacuum pump export is connected with the steam conduit, steam conduit and desolventizing layer intercommunication.
Wet meal after desolventizing in the desolventizing layer is discharged into the negative pressure layer through the first discharge gate, closes the airlock of first discharge gate and second discharge gate, can form the vacuum by the vacuum pump at the negative pressure layer, carries out the vacuum distillation to the solvent heating in the wet meal, and solvent and moisture are heated in the vacuum distillation process, form hot steam, have the steam conduit to return to in the desolventizing layer, and the circulation is used, has improved the efficiency of desorption solvent. After the negative pressure layer is added, the solvent removal time of the desolventizing layer can be shortened, and the improvement of the protein quality of the meal is facilitated.
Further, the vacuum pump comprises a first vacuum pump and a second vacuum pump which are arranged in parallel.
Further, the steam discharge pipe is connected with a three-way valve, one end of the three-way valve is connected with the first vacuum pump, and the other end of the three-way valve is connected with the second vacuum pump; the outlet of the first vacuum pump and the outlet of the second vacuum pump are communicated with the steam pipeline.
The two vacuum pumps can improve the vacuum degree in the negative pressure layer and improve the solvent removal efficiency.
Further, the first vacuum pump is a roots vacuum pump, and the second vacuum pump is a reciprocating vacuum pump.
The Roots vacuum pump can reach a high vacuum degree, the reciprocating vacuum pump has a large air suction amount, vacuum can be quickly formed in the negative pressure layer, and the removal efficiency is improved. Both can select singly to adopt roots vacuum pump or reciprocating vacuum pump according to the wet dregs condition, also can use two vacuum pumps combination, use reciprocating vacuum pump at the initial stage, and quick evacuation reuses roots vacuum pump and obtains higher vacuum, obtains better desorption effect.
Further, the steam pipeline is connected with a steam compressor.
The steam pumped out from the vacuum pump is compressed by the steam compressor and then returns to the desolventizing layer, so that the consumption of the steam is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1 desolventizing layer, 11 first discharge holes, 12 first air seal devices, 2 negative pressure layers, 21 pot bodies, 22 chassis, 23 desolventizing stirring blades, 24 second discharge holes, 25 second air seal devices, 3 steam discharge pipes, 41 first vacuum pumps, 42 second vacuum pumps, 5 steam pipelines, 6 three-way valves and 7 steam compressors.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
FIG. 1 shows the energy-saving desolventizing machine of the present invention, which comprises a desolventizing layer 1 and a drying layer arranged on a main shaft from top to bottom, wherein the desolventizing layer 1 comprises a desolventizing layer chassis, a first discharge port 11 is arranged on the desolventizing layer chassis, a negative pressure layer 2 is additionally arranged between the desolventizing layer 1 and the drying layer, the negative pressure layer 2 comprises a pot body 21, a chassis 22 and a desolventizing and stirring knife 23, the main shaft penetrates through the center of the chassis 22, the desolventizing and stirring knife 23 is arranged on the main shaft above the chassis 22, the chassis 22 is an interlayer heating plate, a second discharge port 23 is further arranged on the chassis 22, a first air seal device 12 is arranged on the first discharge port 11, a second air seal device 25 is arranged on the second discharge port 22, a steam discharge pipe 3 is connected on the pot body 21 of the negative pressure layer 2, the steam discharge pipe 3 is connected with a vacuum pump 4, the outlet of the vacuum pump 4 is connected with a steam pipeline 5, and the steam pipeline 5 is communicated with the desolventizing layer 1.
The components and the connection mode of the desolventizing layer 1 and the negative pressure layer 2 adopt the prior art.
In a preferred embodiment, the vacuum pumps include a first vacuum pump 41 and a second vacuum pump 42 arranged in parallel. Further, the steam discharge pipe 3 is connected with a three-way valve 6, one end of the three-way valve 6 is connected with a first vacuum pump 41, and the other end is connected with a second vacuum pump 42; the outlets of the first vacuum pump 41 and the second vacuum pump 42 are communicated with the steam pipeline 5.
The model of vacuum pump is not particularly restricted, as long as can realize the evacuation function and can use the technical scheme of the utility model in, preferably first vacuum pump 41 is roots vacuum pump, and second vacuum pump 42 is reciprocating vacuum pump.
In a preferred embodiment, the steam pipe 5 is connected to a steam compressor 7. The vapor compressor 7 is a commercially available product.
The working principle is as follows:
wet meal which is subjected to solvent and moisture removal through the desolventizing layer 1 enters the negative pressure layer 2 from the first discharge hole 11, is spread on the chassis 2 by the desolventizing stirring blade 23, the first air seal device 12 and the second air seal device 25 are closed, a closed space is formed in the pot body 21 of the negative pressure layer 2, the interior of the negative pressure layer 2 is quickly vacuumized by the second vacuum pump 42, the vacuum degree is further improved by the first vacuum pump 41, the wet meal spread on the chassis 2 is heated by steam in the interlayer of the chassis 2, residual solvent and moisture in the wet meal are evaporated under the vacuum condition and are pumped out by the second vacuum pump 42, the pumped steam enters the steam compressor 7 for pressurization, and then returns to the desolventizing layer 1 for reuse.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. An energy-saving desolventizing machine comprises a desolventizing layer (1) and a drying layer which are arranged on a main shaft from top to bottom, wherein the desolventizing layer (1) comprises a desolventizing layer chassis, a first discharge hole (11) is formed in the desolventizing layer chassis, the energy-saving desolventizing machine is characterized in that a negative pressure layer (2) is additionally arranged between the desolventizing layer (1) and the drying layer, the negative pressure layer (2) comprises a pot body (21), a chassis (22) and a desolventizing stirring knife (23), the main shaft penetrates through the center of the chassis (22), the desolventizing stirring knife (23) is arranged on the main shaft above the chassis (22), the chassis (22) is an interlayer steam heating plate, a second discharge hole (24) is further formed in the chassis (22), a first air seal device (12) is arranged at the first discharge hole (11), a second air seal device (25) is arranged at the second discharge hole (24), and a steam discharge pipe (3) is connected to the pot body (21), the steam discharge pipe (3) is connected with a vacuum pump, the outlet of the vacuum pump is connected with a steam pipeline (5), and the steam pipeline (5) is communicated with the desolventizing layer (1).
2. The energy-saving evapo-separated machine according to claim 1, characterized in that the vacuum pump comprises a first vacuum pump (41) and a second vacuum pump (42) which are arranged in parallel.
3. The energy-saving desolventizer-toaster according to claim 2, wherein the steam outlet pipe (3) is connected with a three-way valve (6), one end of the three-way valve (6) is connected with a first vacuum pump (41), and the other end is connected with a second vacuum pump (42); the outlets of the first vacuum pump (41) and the second vacuum pump (42) are communicated with the steam pipeline (5).
4. The energy-saving desolventizer-toaster as claimed in claim 3, wherein said first vacuum pump (41) is a roots vacuum pump and said second vacuum pump (42) is a reciprocating vacuum pump.
5. Energy-saving desolventizer-toaster according to claim 1, characterized in that said steam pipe (5) is connected to a steam compressor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023233996.0U CN215250689U (en) | 2020-12-29 | 2020-12-29 | Energy-saving desolventizer-toaster |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023233996.0U CN215250689U (en) | 2020-12-29 | 2020-12-29 | Energy-saving desolventizer-toaster |
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| CN215250689U true CN215250689U (en) | 2021-12-21 |
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| CN202023233996.0U Active CN215250689U (en) | 2020-12-29 | 2020-12-29 | Energy-saving desolventizer-toaster |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705025A (en) * | 2022-03-14 | 2022-07-05 | 山东凯斯达机械制造有限公司 | Conduction and convection combined type drying device of desolventizer-toaster and using method |
-
2020
- 2020-12-29 CN CN202023233996.0U patent/CN215250689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705025A (en) * | 2022-03-14 | 2022-07-05 | 山东凯斯达机械制造有限公司 | Conduction and convection combined type drying device of desolventizer-toaster and using method |
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