CN210718472U - High-efficient vacuum lees drying system - Google Patents
High-efficient vacuum lees drying system Download PDFInfo
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- CN210718472U CN210718472U CN201921941200.1U CN201921941200U CN210718472U CN 210718472 U CN210718472 U CN 210718472U CN 201921941200 U CN201921941200 U CN 201921941200U CN 210718472 U CN210718472 U CN 210718472U
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- drying cylinder
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- rake
- pump
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The technology discloses a high-efficiency vacuum vinasse drying system, which comprises a rake type drying cylinder, a motor, a vacuum pump and a heat pump, wherein a rotating rake is arranged in a material cavity of the rake type drying cylinder, the motor drives the rotating rake to rotate, the outer wall of the rake type drying cylinder is of a circumferential hollow structure, one side of the outer wall is provided with a water inlet, the other side of the outer wall is provided with a water outlet, the upper wall body of the material cavity of the rake type drying cylinder is provided with a feed inlet, the lower wall body of the material cavity of the rake type drying cylinder is provided with a discharge outlet, the air inlet end of the vacuum pump is connected with the material cavity of the rake type drying cylinder, the hot side of the heat pump is connected with the water inlet and the water outlet of the hollow wall body of the rake type drying cylinder to form a hot side loop, the hot side loop is provided with a hot, the drying efficiency is comprehensively improved by combining the suction of the vacuum pump.
Description
The technical field is as follows:
the utility model relates to a high-efficient vacuum lees drying system.
Background art:
during the production process of the brewing industry (whether brewing white spirit or brewing beer), a large amount of vinasse is generated, and the vinasse contains a large amount of moisture and alcohol. In order to achieve waste utilization, the vinasse is dried at first in the existing treatment of the vinasse, so that the weight is reduced, the purpose of reducing the transportation cost is achieved, and then the vinasse is transported to a feed factory to be used as a raw material for feed production. For drying of vinasse, fuel oil is combusted in the currently adopted mode, heat generated by combustion of the fuel oil is used for heating the vinasse, so that moisture and alcohol in the vinasse are volatilized away, a large amount of fuel oil is consumed in the treatment mode, the treatment cost is very high for manufacturers, the fuel oil is seriously polluted by combustion, and more seriously, the treatment mode can generate a large amount of waste heat to be dissipated into the air, so that energy waste is serious, and the requirements of energy conservation and environmental protection are not met.
The utility model has the following contents:
the utility model aims at overcoming the shortcoming of above-mentioned prior art, provide an energy-concerving and environment-protective high-efficient vacuum lees drying system.
The purpose of the invention of the utility model can be realized by the following technical scheme: the utility model provides a high-efficient vacuum lees drying system, including a harrow formula drying cylinder, including a motor, a controller, and a cover plate, vacuum pump and heat pump, it rotates the harrow to be provided with in the material chamber of a harrow formula drying cylinder, motor drive rotates the harrow and rotates, harrow formula drying cylinder outer wall is circumference hollow structure, one side is provided with the water inlet on the outer wall, the opposite side is provided with the delivery port, upper portion wall body in harrow formula drying cylinder material chamber is provided with the feed inlet, the lower part wall body is provided with the discharge gate, harrow formula drying cylinder material chamber is connected to the inlet end of vacuum pump, the hot side of heat pump is connected with the hollow wall body water inlet and the delivery port of a harrow.
The air inlet pipeline of the vacuum pump is provided with a heat exchanger, the cold side is connected with the heat exchanger to form a cold side loop, the cold side loop is provided with a cold water pump, and the pipeline between the vacuum pump and the rake drying cylinder is connected with the heat exchanger.
A bag-type dust collector is arranged on the air inlet pipeline of the vacuum pump.
A buffer tank is arranged between the heat exchanger and the vacuum pump, and an emptying valve is arranged on a pipeline between the buffer tank and the vacuum pump.
A hot water buffer tank is arranged on the hot side loop, and a cold water buffer tank is arranged on the cold side loop.
After adopting this technical scheme, compare with prior art, this technical scheme has following advantage: waste heat contained in steam is recycled by the aid of the cold side of the heat pump and then is used for heating vinasse, heat transmitted by the heat pump is used for heating the vinasse, the vinasse is continuously turned by the rotary harrow in the heating process, and the drying efficiency is comprehensively improved by combining suction of the vacuum pump.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a high-efficiency vacuum drying system for distiller's grains according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a high-efficiency vacuum drying system for distiller's grains according to the second embodiment of the present invention.
The specific implementation mode is as follows:
the present technique is further explained below.
This embodiment A
As shown in fig. 1, the high-efficiency vacuum distiller's grains drying system comprises a rake drying cylinder 1, a motor 2, a vacuum pump 3 and a heat pump 4, wherein a rotary rake 6 is arranged in a material cavity 5 of the rake drying cylinder 1, the motor 2 realizes power transmission with a speed reducer 8 through a transmission belt 7, an output shaft 9 of the speed reducer is connected with a main shaft 10 of the rake drying cylinder 1, as the rake strips are all distributed on the main shaft 10, the rotation of the main shaft 10 drives all the rake strips to rotate, the outer wall of the rake drying cylinder is of a circumferential hollow structure, one side of the hollow outer wall 11 is provided with a water inlet 12, the other side is provided with a water outlet 13, an air inlet end of the vacuum pump 3 is connected with the material cavity 5 of the rake drying cylinder 1, an air inlet pipeline 14 of the vacuum pump 3 is provided with a heat exchanger 15, and a hot side a of the heat pump 4 is connected, a hot water pump 23 and a hot water buffer tank 24 are provided on the hot side loop, the cold side B is connected to the heat exchanger 15 to form a cold side loop, and a cold water pump 25 and a cold water buffer tank 26 are provided on the cold side loop. The upper wall body of the rake drying cylinder cavity 5 is provided with a feeding hole 16, the lower wall body is provided with a discharging hole 17, and the air inlet pipeline 14 of the vacuum pump 3 is provided with a bag-type dust remover 18 to separate solid impurities volatilized from the vinasse. A buffer tank 19 is arranged between the heat exchanger 15 and the vacuum pump 3, the buffer tank 19 can collect and discharge water condensed by cooling the water vapor and play a role in buffering the suction of the vacuum pump 3, and a vent valve 20 is arranged on a pipeline between the buffer tank 19 and the vacuum pump 3.
The working process is as follows: pouring wet vinasse through a feed inlet 16, starting a motor 2, rotating the motor 2, and simultaneously driving a transmission belt 7, a reduction gearbox and a main shaft 10 of a rake drying cylinder 1 to rotate together, so that a rotating rake 6 in a rake drying cylinder material cavity 5 rotates, the rotating rake 6 rolls the vinasse, a heat pump hot side A conveys hot water to a hollow outer wall 11 of the rake drying cylinder 1 through a hot side pipeline 21, the hot water enters from a water inlet 12, flows out from a water outlet 13 at the other side and returns to the heat pump hot side A to take heat, so as to form circulation to heat the vinasse continuously, a vacuum pump 3 continuously pumps away steam and alcohol evaporated from the vinasse in the rake drying cylinder 1, the steam and the alcohol containing waste heat transfer the heat to a heat pump cold side pipeline 22 when passing through a heat exchanger 15, and recovers the waste heat, and the part of the steam and the alcohol are transferred to the hot side A to heat the vinasse after being, during the suction by the vacuum pump 3, it is sometimes necessary to drain the waste water collected inside the buffer tank 19.
Example two:
as shown in fig. 2, a heat exchanger 15, a buffer tank 19, a cold water pump 25 and a cold water buffer tank 26 are removed on the basis of the first embodiment, a pipeline led out by a bag-type dust collector 18 is directly connected with a cold side B pipeline inlet of a heat pump 4, a pipeline of a vacuum pump 3 is connected with a cold side B pipeline outlet of the heat pump 4, the vacuum pump 3 starts to pump air, high-temperature water vapor and alcohol directly flow through the cold side B of the heat pump to exchange heat, waste heat recovery can also be realized, and condensed water, water vapor and alcohol after heat absorption flow out from the cold side B pipeline outlet of the heat pump and are pumped away by the vacuum.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments with obvious modifications and variations, including those shown in the drawings and described herein. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (5)
1. The utility model provides a high-efficient vacuum lees drying system, is provided with the rotation harrow including harrow formula drying cylinder, motor, vacuum pump and heat pump in the material intracavity of harrow formula drying cylinder, and motor drive rotates the harrow and rotates its characterized in that: the outer wall of the rake type drying cylinder is of a circular hollow structure, a water inlet is formed in one side of the outer wall, a water outlet is formed in the other side of the outer wall, a feed inlet is formed in the upper wall body of a material cavity of the rake type drying cylinder, a discharge outlet is formed in the lower wall body of the material cavity of the rake type drying cylinder, the air inlet end of the vacuum pump is connected with the material cavity of the rake type drying cylinder, the hot side of the heat pump is connected with the water inlet and the water outlet of the hollow wall body of.
2. The high efficiency vacuum distillers dried grains drying system of claim 1, wherein: the air inlet pipeline of the vacuum pump is provided with a heat exchanger, the cold side is connected with the heat exchanger to form a cold side loop, the cold side loop is provided with a cold water pump, and the pipeline between the vacuum pump and the rake drying cylinder is connected with the heat exchanger.
3. The high efficiency vacuum distillers dried grains drying system of claim 1, wherein: a bag-type dust collector is arranged on the air inlet pipeline of the vacuum pump.
4. The high efficiency vacuum distillers dried grains drying system of claim 1, wherein: a buffer tank is arranged between the heat exchanger and the vacuum pump, and an emptying valve is arranged on a pipeline between the buffer tank and the vacuum pump.
5. The high efficiency vacuum distillers dried grains drying system of claim 1, wherein: a hot water buffer tank is arranged on the hot side loop, and a cold water buffer tank is arranged on the cold side loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921941200.1U CN210718472U (en) | 2019-11-11 | 2019-11-11 | High-efficient vacuum lees drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921941200.1U CN210718472U (en) | 2019-11-11 | 2019-11-11 | High-efficient vacuum lees drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210718472U true CN210718472U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921941200.1U Active CN210718472U (en) | 2019-11-11 | 2019-11-11 | High-efficient vacuum lees drying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210718472U (en) |
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2019
- 2019-11-11 CN CN201921941200.1U patent/CN210718472U/en active Active
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