CN214937143U - Surface convection auxiliary pea starch vacuum dehydration device - Google Patents
Surface convection auxiliary pea starch vacuum dehydration device Download PDFInfo
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- CN214937143U CN214937143U CN202121804643.3U CN202121804643U CN214937143U CN 214937143 U CN214937143 U CN 214937143U CN 202121804643 U CN202121804643 U CN 202121804643U CN 214937143 U CN214937143 U CN 214937143U
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Abstract
The utility model discloses a pea starch vacuum dehydration device is assisted to surface convection, including vacuum cylinder, starch liquid stock chest and sealed cowling, starch liquid stock chest is seted up at the base middle part, and the top installation vacuum cylinder of starch liquid stock chest, and vacuum cylinder's lower part is located starch liquid stock chest, vacuum cylinder's lateral wall installation filter screen, vacuum cylinder's pivot one end installation motor and differential mechanism, vacuum separation dish is connected to the other end of pivot, the sealed cowling is installed in the outside of vacuum cylinder and starch liquid stock chest, and the sealed cowling is at the installation guiding device of blowing of vacuum cylinder discharge side, and the guiding device of blowing passes through the flange and is connected with the forced draught blower, and the air intake and the air cleaner of forced draught blower are connected. This supplementary pea starch vacuum dehydration device of surface convection can reduce microbial contamination's risk, improves the quality of starch, improves drying rate, reduces the protein granule moisture before getting into the air current drying rate, reduces the energy consumption.
Description
Technical Field
The utility model relates to a vacuum dehydration device technical field specifically is an auxiliary pea starch vacuum dehydration device of surface convection.
Background
Pea starch is widely applied to the industrial fields of food, pharmacy, dairy industry and the like due to excellent physical and chemical indexes such as whiteness, transparency, low protein, good flexibility, film forming property and the like, the demand of people on healthy, nutritional and pollution-free bean starch is continuously increased along with the continuous improvement of the living standard of people, the demand of high-grade bean starch food mainly comprising pea starch is pulled, according to a research report newly issued by the American Friday group of the international consulting organization, the demand of American food and beverage additives is predicted to increase at a rate of 3.5% every year, and the total market value reaches 2016 U.S. dollars in 2016.
The main process of pea starch production is through the mode of washing separation obtain pea starch thick liquid, the pea starch thick liquid after will purifying utilizes vacuum dehydration machine to dewater back air current drying, starch moisture content through vacuum dehydration machine dehydration is less than 38%, very big improvement the speed of starch dehydration, the time of starch drying has been reduced, but present starch vacuum starch dehydration machine exposes in the air, starch moisture content is sufficient and be rich in the nutrient composition of partial protein and be convenient for microorganism breeding in process of production, be unfavorable for the product to improve the quality, and rely on vacuum alone to absorb dehydration, the energy consumption is higher, drying rate is slow.
Therefore, we improve the device and propose a vacuum dehydration device for pea starch assisted by surface convection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an auxiliary pea starch vacuum dehydration device of surface convection to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pea starch vacuum dehydration device assisted by surface convection comprises a vacuum drum, a starch liquid storage tank and a sealing cover, wherein the starch liquid storage tank is arranged in the middle of a base, the vacuum drum is arranged above the starch liquid storage tank, the lower part of the vacuum drum is positioned in the starch liquid storage tank, a swinging type stirring frame is arranged in the starch liquid storage tank, a filter screen is arranged on the outer side wall of the vacuum drum, a motor and a differential mechanism are arranged at one end of a rotating shaft of the vacuum drum, the other end of the rotating shaft is connected with a vacuum separation disc, a half disc of the vacuum separation disc, which is far away from the vacuum drum, is connected with a vacuum separation barrel through a pipeline, the vacuum separation barrel is connected with a vacuum pump, a vacuum hole is formed in the other half disc of the vacuum separation disc, the vacuum hole is connected with one end of a vacuum tube in the vacuum drum, the other end of the vacuum tube is connected with a square chamber, and the filter screen surrounds the opening surface of the square chamber, the sealing cover is arranged on the outer side of the vacuum roller and the starch solution storage tank, the sealing cover is provided with a blowing guide device on the discharge side of the vacuum roller, the blowing guide device is connected with a blower through a flange, an air inlet of the blower is connected with an air filter, a scraper is arranged on the surface of a base on the discharge side of the vacuum roller, an auger is arranged below the scraper, an exhaust guide device is arranged on the feed side of the vacuum roller through the sealing cover, and the exhaust guide device is connected with an exhaust fan through a flange.
Preferably, the vacuum separation disc is composed of two discs, twelve vacuum holes are formed in the surface of the disc close to one side of the vacuum drum along the circumferential direction, the disc and the vacuum drum rotate synchronously, the other disc of the vacuum separation disc is fixed and communicated with the vacuum separation barrel through a pipeline, the contact surfaces of the two discs of the vacuum separation disc are made of stainless steel, and the two discs are sealed through a rotary sealing element.
Preferably, the blowing guide device and the exhaust guide device connected to two sides of the vacuum drum are both made of stainless steel materials, the blowing guide device and the exhaust guide device are both of a combined structure formed by a cylinder and a circular table, a flange is welded at one end of the cylinder far away from the circular table, the blowing guide device and the exhaust guide device are both connected with the air feeder and the exhaust fan through the flanges, and the temperature of hot air sent by the air feeder is 65-70 ℃.
Preferably, the vacuum drum is a cylindrical drum, the outer wall of the vacuum drum is provided with a plurality of grid chambers, the interiors of the grid chambers are not communicated with each other, but one side of each grid chamber is opened outwards, and the vacuum tubes in the vacuum drum are respectively communicated with the grid chambers correspondingly.
Preferably, the sealing cover is made of stainless steel, the sealing cover surrounds the outer sides of the vacuum drum and the starch liquid storage tank, the filter screen is made of stainless steel, and the filter screen surrounds the surfaces of the openings of the cells on the outer wall of the vacuum drum.
Preferably, the scraper is movably connected to the support column through a shaft and is connected with the adjusting groove, the adjusting groove is connected with the crankshaft through a connecting rod, and the angle of the scraper is adjusted through the adjusting groove.
Preferably, the starch solution storage tank is of a trapezoidal structure, and a stirring device arranged in the starch solution storage tank adopts a swing type stirring frame driven by a motor.
Compared with the prior art, the beneficial effects of the utility model are that: this pea starch vacuum dehydration device is assisted to surface convection, the forced draught blower uses the aseptic wind through air cleaner filtration, guarantee that air current and starch contact position do not have microbial contamination, vacuum drum and starch liquid stock chest pass through the sealed cowling protection simultaneously, isolated air, avoid the pollution of microorganism in the air, accelerate starch surface dehydration through blowing, reduce the destruction degree of difficulty and the transport degree of difficulty of starch granule, utilize the interior moisture of exhaust fan in time getting rid of the system, finally, the device's starch dehydration back water content reaches 33-34%, the microorganism reduces 80%.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the vacuum drum showing the internal structure thereof;
FIG. 3 is a front view of the vacuum drum showing the internal structure of the vacuum drum according to the present invention;
FIG. 4 is a schematic structural view of a vacuum separation pan according to the present invention;
FIG. 5 is a second schematic view of the structure of the vacuum separation tray according to the present invention;
FIG. 6 is a third schematic view of the vacuum separation pan according to the present invention;
fig. 7 is a schematic view of a control structure of the doctor blade of the present invention.
In the figure: 1. a vacuum drum; 2. a starch solution storage tank; 3. filtering with a screen; 4. a scraper; 5. a vacuum separation pan; 6. a vacuum hole; 7. a rotary seal; 8. a packing auger; 9. a blowing and flow guiding device; 10. a base; 11. a swing type stirring frame; 12. a vacuum tube; 13. a grid cell; 14. a vacuum separation barrel; 15. an air filter; 16. a blower; 17. an exhaust fan; 18. a sealing cover; 19. an exhaust air guide device; 20. a vacuum pump; 21. an adjustment groove; 22. a connecting rod; 23. a crankshaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a surface convection auxiliary pea starch vacuum dehydration device comprises a vacuum drum 1, a starch liquid storage tank 2 and a sealing cover 18, wherein the starch liquid storage tank 2 is arranged in the middle of a base 10, the starch liquid storage tank 2 is of a trapezoidal structure, and a stirring device arranged in the starch liquid storage tank 2 adopts a swing type stirring frame 11 driven by a motor; a vacuum roller 1 is arranged above the starch solution storage tank 2, the lower part of the vacuum roller 1 is positioned in the starch solution storage tank 2, a filter screen 3 is arranged on the outer side wall of the vacuum roller 1, a motor and a differential are arranged at one end of a rotating shaft of the vacuum roller 1, the other end of the rotating shaft is connected with a vacuum separation disc 5, the vacuum separation disc 5 is composed of two discs, twelve vacuum holes 6 are formed in the surface of the disc close to one side of the vacuum roller 1 along the circumferential direction, the disc and the vacuum roller 1 rotate synchronously, the other disc of the vacuum separation disc 5 is fixed and is communicated with a vacuum separation barrel 14 through a pipeline, the contact surfaces of the two discs of the vacuum separation disc 5 are made of stainless steel materials, and the middle parts of the two discs are sealed through a rotary sealing element 7; the vacuum separation barrel 14 is connected with a vacuum pump 20, meanwhile, the other half of the vacuum separation disc 5 is provided with a vacuum hole 6, the vacuum hole 6 is connected with one end of a vacuum tube 12 in the vacuum roller 1, the other end of the vacuum tube 12 is connected with a grid chamber 13, the vacuum roller 1 is a cylindrical barrel, and the outer wall of the vacuum roller 1 is provided with a plurality of grid chambers 13, the interiors of the grid chambers are not communicated with each other, and one side of each grid chamber 13 is opened outwards; the filter screen 3 surrounds the surface of an opening of the grid chamber 13, the sealing cover 18 is arranged on the outer sides of the vacuum roller 1 and the starch solution storage tank 2, the sealing cover 18 is provided with a blowing guide device 9 on the discharging side of the vacuum roller 1, the blowing guide device 9 is connected with a blower 16 through a flange, an air inlet of the blower 16 is connected with an air filter 15, the temperature of hot air sent by the blower 16 is 65-70 ℃, the scraper 4 is arranged on the surface of the base 10 on the discharging side of the vacuum roller 1, the scraper 4 is movably connected on a support through a shaft, the scraper 4 is connected with an adjusting tank 21, the adjusting tank 21 is connected with a crankshaft 23 through a connecting rod 22, and the angle of the scraper 4 is adjusted through the adjusting tank 21; the packing auger 8 is arranged below the scraper 4, the sealing cover 18 is made of stainless steel, the sealing cover 18 surrounds the outer sides of the vacuum roller 1 and the starch solution storage tank 2, the filter screen 3 is made of stainless steel, and the filter screen 3 surrounds the opening surface of each cell 13 on the outer wall of the vacuum roller 1; the sealing cover 18 is provided with an exhaust guide device 19 at the feed side of the vacuum drum 1, and the exhaust guide device 19 is connected with an exhaust fan 17 through a flange; the air blowing and air exhausting guide device 9 and the air exhausting guide device 19 connected to the two sides of the vacuum roller 1 are made of stainless steel materials, the air blowing and air exhausting guide device 9 and the air exhausting guide device 19 are both of a combined structure formed by a cylinder and a circular table, and a flange is welded at one end, far away from the circular table, of the cylinder.
As shown in figure 1, the lower part of a vacuum drum 1 is positioned in a starch solution storage tank 2, starch solution with proper concentration is filled in the starch solution storage tank 2, a stirring device arranged in the starch solution storage tank 2 adopts a swing type stirring frame 11 driven by a motor to prevent starch in the starch solution storage tank 2 from precipitating, the vacuum drum 1 is a cylindrical drum, a circle of filter screen 3 is arranged on the periphery of the outer side wall of the vacuum drum, one end of a rotating shaft of the vacuum drum 1 is provided with a vacuum separation disc 5 which is connected with a vacuum pump 20, the outer sides of the vacuum drum 1 and the starch solution storage tank 2 are covered by a sealing cover 18 to avoid environmental microbial pollution, air entering a blower 16 is sterile air filtered by an air filter 15, moist air after starch vacuum dehydration is discharged out of a system by an exhaust fan 17, starch after vacuum dehydration on the vacuum drum 1 is scraped by a scraper 4 and is conveyed to the next air flow drying process by a packing auger 8, in the device, the filter screen 3, the sealing cover 18, the blowing guide device 9 and the exhaust guide device 19 can be made of metal, alloy or organic resin, such as iron, aluminum alloy, and preferably stainless steel.
The part of the vacuum drum 1, which is in contact with the starch, can be made of other materials meeting food requirements, and the packing auger 8 can be made of other devices with conveying capacity, so long as the materials meet the quality requirements and have the same function, the packing auger can be correspondingly replaced.
As shown in fig. 2 and 3, the outer wall of the vacuum drum 1 is provided with a plurality of grid chambers 13, the interiors of which are not communicated with each other and one side of which is opened outwards, vacuum tubes 12 in the vacuum drum 1 are respectively communicated with the grid chambers 13, the filter screen 3 surrounds the openings of the grid chambers 13 on the outer wall of the vacuum drum 1, and the gap between the filter screen 3 and the bottom of the grid chamber 13 on the outer wall of the vacuum drum 1 can ensure that each vacuum tube 12 corresponds to a small filter screen 3, so that the structure can increase the adsorption effect and range of the vacuum tubes 12 on the filter screen 3, and can be used when one vacuum tube 12 loses effect due to blockage, and the rest vacuum tubes 12 can still well play a role.
As shown in fig. 4, 5 and 6, the vacuum separation disc 5 is composed of two discs, preferably made of metals of different materials, and the two discs are sealed by a rotary sealing member 7, so as to reduce abrasion and ensure the sealing performance between the discs when the two discs are mutually attached and rotated, in the device, the two discs of the vacuum separation disc 5 are made of stainless steel, one disc close to the vacuum drum 1 is provided with a plurality of vacuum holes 6 along the circumferential direction, each vacuum hole 6 is respectively connected to one end of each vacuum tube 12 in the vacuum drum 1, the other end of each vacuum tube 12 is connected to the filter screen 3, one disc close to the vacuum drum 1 of the vacuum separation disc 5 is synchronously rotated with the vacuum drum 1, the other disc of the vacuum separation disc 5 is fixed and is communicated with the vacuum separation barrel 14 through a pipeline, the vacuum separation barrel 14 is connected with a vacuum pump 20, the sucked liquid is precipitated and separated in the vacuum separation barrel 14, the starch after the precipitation can be used as raw materials and added into the starch liquid storage tank 2, and the vacuum separation barrel 14 can be provided with a pipeline connected with a vacuum suction port of a vacuum pump 20 at the top for enabling the vacuum separation barrel 14 to generate negative pressure.
As shown in fig. 7, the scraper 4 is movably connected to the pillar through a shaft, and the position of the adjusting groove 21 on the scraper 4 is adjusted through a connecting rod 22 connected with a crankshaft 23, so that the angle of the scraper 4 is adjusted to adjust the thickness of the scraped starch.
The scraper 4 can be provided with other removing devices with the same function, so that the surface convection auxiliary pea starch vacuum dehydration device has a wider application range and is convenient to flexibly adjust according to different conditions.
The working principle is as follows: when the surface convection auxiliary pea starch vacuum dehydration device is used, the vacuum roller 1 is rotated, the vacuum tube 12 on the disk of the vacuum separation disk 5 connected with the vacuum separation barrel 14 absorbs the starch in the starch liquid storage tank 2 outside the filter screen 3, the vacuum drum 1 continues to rotate, meanwhile, the starch absorbed on the surface of the vacuum drum 1, the moisture on the surface is dried by a blower 16, the blower 16 blows sterile air filtered by an air filter 15, the wet air blown during starch dehydration is discharged out of the system by an exhaust fan 17, the moisture dehydrated by vacuum is sucked into a vacuum separation barrel 14 by a vacuum separation disc 5, the supernatant is discharged out of the system after the treatment of the vacuum separation barrel 14, the precipitate is recovered into a starch solution storage tank 2, the dehydrated starch on the vacuum roller 1 is scraped off by a scraper 4 with a well-adjusted angle, and the scraped starch enters an auger 8 and is transmitted to a subsequent airflow drying system; this is the entire process of the surface convection assisted pea starch vacuum dehydration plant.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an supplementary pea starch vacuum dehydration device of surface convection, includes vacuum drum (1), starch liquid stock chest (2) and sealed cowling (18), its characterized in that: the starch solution storage tank (2) is arranged in the middle of the base (10), a vacuum roller (1) is arranged above the starch solution storage tank (2), the lower portion of the vacuum roller (1) is located in the starch solution storage tank (2), a swing type stirring frame (11) is arranged in the starch solution storage tank (2), a filter screen (3) is arranged on the outer side wall of the vacuum roller (1), a motor and a differential are arranged at one end of a rotating shaft of the vacuum roller (1), the other end of the rotating shaft is connected with a vacuum separation disc (5), a half of a disc of the vacuum separation disc (5) far away from the vacuum roller (1) is connected with a vacuum separation barrel (14) through a pipeline, the vacuum separation barrel (14) is connected with a vacuum pump (20), a vacuum hole (6) is formed in the other half of the vacuum separation disc (5), and the vacuum hole (6) is connected with one end of a vacuum tube (12) in the vacuum roller (1), the other end and the check room (13) of vacuum tube (12) are connected, and filter screen (3) surround on check room (13) opening surface, the outside at vacuum drum (1) and starch liquid stock chest (2) is installed in sealed cowling (18), and sealed cowling (18) are at vacuum drum (1) discharge side installation guiding device (9) of blowing, and guiding device (9) of blowing are connected with forced draught blower (16) through the flange, and the air intake and the air cleaner (15) of forced draught blower (16) are connected, and base (10) surface at vacuum drum (1) discharge side is installed in scraper (4), and auger (8) are installed to the below of scraper (4), and sealed cowling (18) are at vacuum drum (1) feed side installation air exhaust guiding device (19), and air exhaust guiding device (19) are connected with exhaust fan (17) through the flange.
2. The vacuum dewatering apparatus for pea starch assisted by surface convection as claimed in claim 1, wherein: the vacuum separation disc (5) is composed of two discs, twelve vacuum holes (6) are formed in the surface of the disc close to one side of the vacuum drum (1) along the circumferential direction, the disc and the vacuum drum (1) rotate synchronously, the other disc of the vacuum separation disc (5) is fixed and is communicated with the vacuum separation barrel (14) through a pipeline, the contact surfaces of the two discs of the vacuum separation disc (5) are made of stainless steel materials, and the middle of the two discs is sealed through a rotary sealing element (7).
3. The vacuum dewatering apparatus for pea starch assisted by surface convection as claimed in claim 1, wherein: the air blowing and guiding device (9) and the air exhausting and guiding device (19) connected to the two sides of the vacuum drum (1) are made of stainless steel materials, the air blowing and guiding device (9) and the air exhausting and guiding device (19) are of a combined structure formed by a cylinder and a circular table, a flange is welded at one end, far away from the circular table, of the cylinder, the air blowing and guiding device (9) and the air exhausting and guiding device (19) are respectively connected with an air feeder (16) and an air exhaust fan (17) through flanges, and the temperature of hot air sent out by the air feeder (16) is 65-70 ℃.
4. The vacuum dewatering apparatus for pea starch assisted by surface convection as claimed in claim 1, wherein: the vacuum drum (1) is a cylindrical drum body, the outer wall of the vacuum drum (1) is provided with a plurality of grid chambers (13) which are not communicated with each other and have one side opened outwards, and the vacuum tubes (12) in the vacuum drum (1) are respectively communicated with the grid chambers (13) correspondingly.
5. The vacuum dewatering apparatus for pea starch assisted by surface convection as claimed in claim 4, wherein: the sealing cover (18) is made of stainless steel, the sealing cover (18) surrounds the outer sides of the vacuum roller (1) and the starch liquid storage tank (2), the filter screen (3) is made of stainless steel, and the filter screen (3) surrounds the opening surfaces of the square cells (13) on the outer wall of the vacuum roller (1).
6. The vacuum dewatering apparatus for pea starch assisted by surface convection as claimed in claim 5, wherein: the scraper (4) is movably connected to the support column through a shaft, the scraper (4) is connected with the adjusting groove (21), the adjusting groove (21) is connected with the crankshaft (23) through a connecting rod (22), and the angle of the scraper (4) is adjusted through the adjusting groove (21).
7. The vacuum dewatering apparatus for pea starch assisted by surface convection as claimed in claim 1, wherein: the starch solution storage tank (2) is of a trapezoidal structure, and a stirring device arranged in the starch solution storage tank (2) adopts a swing type stirring frame (11) driven by a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121804643.3U CN214937143U (en) | 2021-08-04 | 2021-08-04 | Surface convection auxiliary pea starch vacuum dehydration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121804643.3U CN214937143U (en) | 2021-08-04 | 2021-08-04 | Surface convection auxiliary pea starch vacuum dehydration device |
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| CN214937143U true CN214937143U (en) | 2021-11-30 |
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| CN202121804643.3U Active CN214937143U (en) | 2021-08-04 | 2021-08-04 | Surface convection auxiliary pea starch vacuum dehydration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753717A (en) * | 2023-08-17 | 2023-09-15 | 常州江河干燥设备有限公司 | Intelligent raw material conveying equipment, drying system and method using equipment |
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2021
- 2021-08-04 CN CN202121804643.3U patent/CN214937143U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753717A (en) * | 2023-08-17 | 2023-09-15 | 常州江河干燥设备有限公司 | Intelligent raw material conveying equipment, drying system and method using equipment |
| CN116753717B (en) * | 2023-08-17 | 2023-10-20 | 常州江河干燥设备有限公司 | Drying system and drying method |
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