CN111397332A

CN111397332A - White spirit lees drying equipment

Info

Publication number: CN111397332A
Application number: CN202010242651.7A
Authority: CN
Inventors: 张传海; 马业准; 汪慧慧; 李庆腾; 李顺涛; 高硕�
Original assignee: Shandong Baimaiquan Liquor Co ltd; Jinan Qingzhao Biotechnology Co ltd
Current assignee: Shandong Baimaiquan Liquor Co ltd; Jinan Qingzhao Biotechnology Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-07-10
Anticipated expiration: 2040-03-31
Also published as: CN111397332B

Abstract

The invention discloses a drying device for white spirit vinasse, and mainly relates to the field of vinasse drying. Including drying drum, the stoving case, air feeder, drying drum's bilateral symmetry is equipped with the riser, drying drum's both ends rotate with two risers respectively and are connected, be equipped with first scraper means between two risers, first scraper means is located drying drum, the stoving incasement is equipped with the multilayer track, the crisscross setting of tip of multilayer track, the stoving incasement is equipped with a plurality of stirring rakes and second scraper means, the stoving incasement internal rotation is connected with a plurality of striking plates, be equipped with the torsional spring that resets between the lateral wall of striking plate and stoving case, the striking plate is located the rotation route of stirring rake, the steam air inlet is a plurality of, the steam air inlet is located the relative one side of agitator motor, the steam air inlet is corresponding with the position of stirring rake. The invention has the beneficial effects that: it can improve the drying efficiency of lees, reduces the adhesion of lees on the equipment inside wall, guarantees the quality after the lees is dried.

Description

White spirit lees drying equipment

Technical Field

The invention relates to the field of recovery of white spirit vinasse, in particular to white spirit vinasse drying equipment.

Background

A large amount of vinasse can be generated after the white spirit is brewed, the vinasse contains a large amount of organic and inorganic substances, and the direct waste can cause great waste, breweries with high production volumes, therefore, often recycle these distillers grains, which produce a large amount of water during fermentation, resulting in high water content of the distillers grains, before recycling, the vinasse is usually dried sufficiently to facilitate subsequent processing and storage, however, in the drying process of the existing drying equipment, the vinasse with high water content is easy to stick on the inner wall of the drying equipment, which causes the treatment capacity of the drying equipment to be greatly reduced, moreover, after a long time, the inner wall of the equipment is hardened, so that the vinasse is easy to deteriorate, and the quality of the dried vinasse is influenced, so that the equipment capable of effectively drying the vinasse is needed, and the drying efficiency and quality are ensured.

Disclosure of Invention

The invention aims to provide white spirit vinasse drying equipment which can improve the drying efficiency of vinasse, reduce the adhesion of the vinasse on the inner side wall of the equipment and ensure the quality of the dried vinasse.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a white spirit vinasse drying device comprises a drying roller, a drying box and a gas supply device, wherein vertical plates are symmetrically arranged on two sides of the drying roller, two ends of the drying roller are respectively rotatably connected with the two vertical plates, the drying roller is connected with a roller feed port, a roller discharge port, a roller gas inlet and a roller gas outlet, the roller gas inlet is close to the roller discharge port, the roller gas outlet is close to the roller feed port, the drying box is provided with a secondary feed port, a secondary discharge port, a hot gas inlet and a hot gas outlet, the roller discharge port is communicated with the secondary feed port, the roller gas inlet and the hot gas inlet are both communicated with the gas supply device, a first scraper device is arranged between the two vertical plates, the first scraper device is positioned in the drying roller, a plurality of layers of tracks are arranged in the drying box, the stoving incasement is equipped with a plurality of stirring rakes and second scraper means, be fixed with a plurality of agitator motor on the stoving case, stirring rake and agitator motor's output shaft fixed connection, stirring rake and second scraper means are located the upper and lower both sides of track respectively, stoving incasement rotation is connected with a plurality of boards of strikeing, be equipped with reset torsion spring between the lateral wall of strikeing board and stoving case, it is located the rotation route of stirring rake to strike the board, the steam air inlet is a plurality of, the steam air inlet is located one side that agitator motor is relative, the steam air inlet is corresponding with the position of stirring rake.

Further, first scraper means includes the support, the support is located the drying drum, the both ends of support respectively with two riser fixed connection, it is connected with first pivot to rotate on the support, be fixed with a plurality of first gyro wheels in the first pivot, the bilateral symmetry of first gyro wheel is equipped with the arc scraper blade, the shape of arc scraper blade suits with the shape of drying drum inside wall.

Further, the second scraper means includes second pivot, second gyro wheel, point shape scraper blade, the second pivot is rotated and is connected in the stoving incasement, the second gyro wheel is fixed in the second pivot, the both sides that are located the second gyro wheel of point shape scraper blade symmetry, the most advanced of point shape scraper blade is located the below of track.

Further, the stirring rake includes fixed axle, connecting rod, stirring leaf, the fixed axle rotates to be connected in the stoving incasement, fixed axle and agitator motor's output shaft fixed connection, the circular array of connecting rod distributes on the fixed axle, the end at the connecting rod is fixed to the stirring leaf, strike the board and be located the rotation route of stirring leaf.

Furthermore, the cross section of the stirring blade is triangular, and the plane where the hypotenuse of the triangle is located is subjected to shell extraction treatment.

Furthermore, be equipped with a plurality of inlet branch pipes on the steam air inlet, be equipped with atomizer on the inlet branch pipe, the inlet branch pipe uses the direction at the axis place of fixed axle to become circular array distribution as the center, the motion route of inlet branch pipe is the same with the motion route size of stirring leaf.

Further, the gas supply device comprises a gas inlet main pipe, a cold gas pipe and a heat exchanger, wherein the heat exchanger is located outside the gas inlet main pipe, the cold gas pipe is communicated with the heat exchanger, the gas inlet main pipe is communicated with the roller gas inlet, and the hot gas inlet is communicated with the heat exchanger.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, a mode of combining roller drying and crawler-type drying is adopted, so that the drying efficiency is improved, the first scraper device is arranged in the drying roller, and wet vinasse adhered to the inner side wall of the drying roller is scraped off, so that the vinasse falls into the drying roller to continue to perform a new round of rotary drying, and the condition that the drying efficiency is reduced due to the fact that the vinasse is adhered to the inner wall of the drying roller is avoided; set up the stoving case in crawler-type stoving, inside sets up the track of multilayer transportation lees, lees on the upper strata drops on lower floor's track when moving to the end, the route of lees motion has been improved, it provides sufficient time to dry for lees, set up the stirring rake in the top of track, be used for stirring lees on the track, make its fully turn over stir the area of contact of in-process increase and steam, wherein the evaporation of moisture with higher speed, set up the striking plate in one side of stirring rake, the lees to the adhesion on the stirring rake beats, the adhesion of lees on the stirring rake has been reduced, efficiency is stirred in the improvement, and set up second scraper means in the below of track, scrape on the track, make it drop and continue subsequent stoving operation on lower floor's track, the conveying efficiency of track has been guaranteed, the lees quality of the final stoving completion lees has been improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of an internal structure of a drying drum of the present invention.

Fig. 3 is a schematic structural view of a cross section of a drying drum of the present invention.

Fig. 4 is a schematic view of the internal structure of the drying box of the present invention.

Figure 5 is a top view of the drying box of the present invention.

Fig. 6 is a schematic view of the structure of the hot gas inlet of the present invention.

Reference numerals shown in the drawings:

1. drying the roller; 2. a drying box; 3. a vertical plate; 4. a roller feed inlet; 5. a discharge hole of the roller; 6. a drum air inlet; 7. a drum air outlet; 8. a secondary feed inlet; 9. a secondary discharge hole; 10. a hot gas inlet; 11. a hot gas outlet; 12. a crawler belt; 13. a stirring paddle; 14. a stirring motor; 15. knocking the plate; 16. a return torsion spring; 17. a support; 18. a first rotating shaft; 19. a first roller; 20. an arc-shaped scraper plate; 21. a second rotating shaft; 22. a second roller; 23. a pointed scraper; 24. a fixed shaft; 25. a connecting rod; 26. stirring blades; 27. an intake branch pipe; 28. an atomizing spray head; 29. an intake manifold; 30. a cold air pipe; 31. a heat exchanger.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

The invention relates to white spirit vinasse drying equipment, which comprises a main body structure, wherein the main body structure comprises a drying roller 1, a drying box 2 and an air supply device, vertical plates 3 are symmetrically arranged on two sides of the drying roller 1, the vertical plates 3 are fixed on the ground through structural bolts such as supporting legs, two ends of the drying roller 1 are respectively and rotatably connected with the two vertical plates 3 through bearings, preferably, the drying roller 1 only comprises one side surface, two ends of the side surface are respectively and rotatably connected with the vertical plates 3 through bearings, a driving device for driving the drying roller 1 to rotate is connected with the vertical plates 3, a carrier roller and a large gear are generally arranged on the outer side of the drying roller, a small gear is fixed on an output shaft of a driving motor, the drying roller 1 is driven through the meshing of the small gear and the large gear, a roller feeding hole 4, a roller discharging hole, The drum gas outlet 7 is arranged, the drum gas inlet 6 is close to the drum discharge port 5, the drum gas outlet 7 is close to the drum feed port 4, the drum feed port 4 is positioned at the upper half part of the vertical plate 3 and is responsible for conveying the vinasse with high water content into the drying drum 1, the drum gas outlet 7 is positioned below the drum feed port 4, the drum gas inlet 6 is positioned at the upper half part of the other vertical plate 3 and is used for introducing flue gas for drying into the drying drum 1, and the drum discharge port 5 is positioned below the drum gas inlet 6, so that the direction of the flue gas is opposite to the movement direction of the vinasse, the contact area between the flue gas and the vinasse is increased;

be equipped with second grade feed inlet 8, second grade discharge gate 9, steam air inlet 10, steam gas outlet 11 on the stoving case 2, cylinder discharge gate 5 and second grade feed inlet 8 intercommunication, through the lees of 1 preliminary stoving of drying drum pass through the second grade feed inlet 8 and get into stoving case 2 in, cylinder air inlet 6, steam air inlet 10 all communicate with air feeder, and air feeder is used for providing the higher gas of temperature of stoving usefulness, its characterized in that for drying drum 1 and stoving case 2: a first scraper device is arranged between the two vertical plates 3 and positioned in the drying roller 1, the first scraper device is positioned at the top in the drying roller 1, vinasse adhered to the inner side wall of the drying roller 1 is scraped at the top, hardening caused by long-term adhesion of the vinasse is avoided, a plurality of layers of tracks 12 are arranged in the drying box 2, one end of each layer of track 12 is provided with a driving wheel to drive the track 12 to rotate, the other end of each layer of track is provided with a driven wheel to realize the cyclic rotation of the track, the end parts of the plurality of layers of tracks 12 are arranged in a staggered mode, namely, the moving direction of the track is taken as the forward direction, the tail end of the upper layer of track is positioned at the inner side of the front end of the lower layer of track, so as to ensure that the vinasse at the tail end of the upper layer of track can successfully fall onto the lower layer of track, the repeated drying of the vin, a plurality of stirring motors 14 are fixed on the outer portion of the drying box 2 through bolts, the stirring paddles 13 are fixedly connected with output shafts of the stirring motors 14, the output shafts of the stirring motors 14 extend to the inner portion of the drying box 2 and are fixedly welded with the stirring paddles 13, the stirring paddles 13 are driven to rotate through the stirring motors 14, the stirring paddles 13 are close to the upper surface of the crawler 12, and vinasse on the crawler 12 is stirred in a turning mode in the rotating process;

the stirring paddles 13 and the second scraper devices are respectively positioned at the upper side and the lower side of the track 12, the second scraper devices of the lower volume are used for scraping vinasse adhered to the bottom of the track 12 to make the vinasse fall onto the track of the lower layer, the drying box 2 is connected with a plurality of striking plates 15 in a rotating manner through hinges, the striking plates 15 are rotatably connected onto the inner side wall of the drying box 2 through hinges, a reset torsion spring 16 is arranged between the striking plates 15 and the side wall of the drying box 2, the striking plates 15 are positioned on the rotating path of the stirring paddles 13 in a natural state of the reset torsion spring 16, the striking plates 15 are extruded towards the direction of the reset torsion spring 16 when the stirring paddles 13 rotate, the reset torsion spring generates reverse elasticity, the striking plates 15 reset under the action of the reset torsion spring 16 after the previous stirring paddle 13 rotates, touch the stirring paddles 13 at the back to strike the stirring paddles 13, and continuously rotate along with the stirring paddles, the realization strikes the repetition of stirring rake 13, and the adhesion of lees is piled up on the effectual stirring rake 13 of avoiding, hot gas inlet 10 is a plurality ofly, hot gas inlet 10 is located the one side that agitator motor 14 is relative, hot gas inlet 10 is corresponding with the position of stirring rake 13, and the position that makes hot gas inlet 10 admit air just in time is located the rotation range of stirring rake 13, makes to turn over the in-process steam of stirring and carries out continuous mixture simultaneously to the lees, makes lees and hot gas mixed more abundant, and the effect of drying further improves.

Preferably, the first scraper device comprises a bracket 17, the bracket 17 is located in the drying roller 1, two ends of the bracket 17 are respectively fixedly connected with the two vertical plates 3 through bolts for providing a supporting effect, the bracket 17 is rotatably connected with a first rotating shaft 18 through a bearing, the first rotating shaft 18 is fixedly welded with a plurality of first rollers 19, the upper surface of each first roller 19 is in contact with the top of the inside of the drying roller 1, the first rollers 19 are driven to rotate in the rotating process of the drying roller 1, arc-shaped scrapers 20 are symmetrically arranged on two sides of each first roller 19, the shape of each arc-shaped scraper 20 is matched with the shape of the inner side wall of the drying roller 1, namely the radian of each arc-shaped hanging plate 20 is matched with the radian of the inner side wall of the drying roller 1, the edge of each arc-shaped hanging plate 20 is in a sharp shape, so that vinasse can be better scraped off in the rotating process of the drying roller 1, two arc link plates 20 are located the both sides of first gyro wheel 19, and first gyro wheel 19 highly is a little higher than arc link plate 20, avoids producing direct collision because rocking of drying drum 1 and arc link plate 20, protects drying drum 1 and house type scraper blade 20's safety in utilization.

Preferably, the second scraper means includes second pivot 21, second gyro wheel 22, sharp scraper 23, the both ends of second pivot 21 are passed through the bearing and are rotated and connect on the inside wall of stoving case 2, second gyro wheel 22 passes through welded fastening on second pivot 21, the upper surface of second gyro wheel 22 contacts with the bottom of track 12, the both sides that are located second gyro wheel 22 of sharp scraper 23 symmetry, the pointed end of sharp scraper 23 is located the below of track 12, and sharp scraper 23 is preferred can be triangle-shaped, suits with the straight shape of track 12 bottom for scrape the lees of track 12 bottom, the top of second gyro wheel 22 is a little higher than the sharp scraper 23 of both sides, avoids rocking of track 12 and sharp scraper 23 direct collision and tear track 12, protects the safety of track 12.

Preferably, the stirring rake 13 includes fixed axle 24, connecting rod 25, stirring leaf 26, the both ends of fixed axle 24 are passed through the bearing and are rotated and connect on the inside wall of stoving case 2, fixed axle 24 and agitator motor 14's output shaft welded fastening, connecting rod 25 circular array distributes on fixed axle 24, stirring leaf 26 welding or integrated into one piece's the end of fixing at connecting rod 25, stirring leaf 26 is close to with the upper surface of track 12 at the rotation in-process mutually, strike board 15 and be located stirring leaf 26's rotation path, stirring leaf 26 is used for turning over the lees on track 12 and is stirred and raise, makes lees disperse to advance, fully mixes with the stoving gas, improves the effect of drying.

Preferably, the cross section of stirring leaf 26 is triangle-shaped, the shell processing is taken out to the plane that triangle-shaped hypotenuse belongs to, makes stirring leaf 26 form the shape of recess, utilizes the recess to keep in vinasse in the rotation process, and the dispersion is raised to the vinasse after rotating the peak, has improved the effect that the vinasse was stirred and turned over, collides with knock-over plate 15 in the rotation process, makes the vinasse carry out effectual dispersion, has still reduced the adhesion of vinasse.

Preferably, be equipped with a plurality of air inlet branch pipes 27 on the hot gas inlet 10, air inlet branch pipe 27 becomes circular array and distributes and be linked together with hot gas inlet 10, be equipped with atomizer 28 on the air inlet branch pipe 27, atomizer 28's aperture ratio air inlet branch pipe 27 is littleer, and the velocity of flow when hot gas passes through is bigger, makes the impact force behind hot gas entering stoving case 2 stronger, air inlet branch pipe 27 uses the direction at the axis place of fixed axle 24 to become circular array and distributes as the center, air inlet branch pipe 27's motion path is the same with stirring leaf 26's motion path size, and stronger hot gas can strike the lees, and the lees that will become the piece impact and scatter to further improve the area of contact of hot gas and lees, improve the heat exchange, further accelerate the evaporation that lees filled water, improve the effect of drying.

Preferably, the air supply device comprises an air inlet main pipe 29, an air cooling pipe 30 and a heat exchanger 31, the air inlet main pipe 29 is connected with a flue gas system of the thermal furnace, high-temperature flue gas of the thermal furnace is fully utilized for drying, drying cost is reduced, recycling of waste gas is improved, the heat exchanger 31 is located outside the air inlet main pipe 29, the heat exchanger 31 is of a tubular structure spirally wound outside the air inlet main pipe 29, the air cooling pipe 30 is communicated with a spiral pipe of the heat exchanger 31, an air inlet fan is arranged at one end of the air cooling pipe 20 for providing cold air, the air inlet main pipe 29 is communicated with the roller air inlet 6, the hot air inlet 10 is communicated with the heat exchanger 31, the cold air is changed into high-temperature hot gas after heat exchange through the heat exchanger 31, the high-temperature hot gas is used for drying vinasse inside the drying box 2, the quality of, the distiller's grains drying device is used for primarily drying distiller's grains in the drying roller 1, and the distiller's grains drying device are matched to ensure the quality of the distiller's grains after drying, so that the quality of the distiller's grains after subsequent recovery and processing is ensured.

The working principle is as follows: according to the invention, a mode of combining roller drying and crawler-type drying is adopted, so that the drying efficiency is improved, the first scraper device is arranged in the drying roller 1, wet distiller's grains adhered to the inner side wall of the drying roller 1 are scraped off, the distiller's grains fall into the drying roller 1 to continue to perform a new round of rotary drying, and the condition that the drying efficiency is reduced due to the adhesion of the distiller's grains to the inner wall of the drying roller 1 is avoided; the drying box 2 is arranged in the crawler type drying, the multilayer crawler 12 for transporting the vinasse is arranged in the drying box, the vinasse on the upper layer falls on the lower layer crawler when moving to the tail end, the path of the vinasse is improved, sufficient time is provided for drying the vinasse, a stirring paddle 13 is arranged above the crawler 12 and is used for stirring the vinasse on the crawler 12, so that the contact area of the vinasse and hot air is increased in the full stirring process, the evaporation of water in the vinasse is accelerated, a knocking plate 15 is arranged on one side of the stirring paddle 13, beating the vinasse adhered on the stirring paddle 13, reducing the adhesion of the vinasse on the stirring paddle 13, improving the stirring efficiency, and set up the second scraper means below track 12, scrape the lees on track 12 off, make it drop to continue subsequent stoving operation on lower floor's track 12, guaranteed the conveying efficiency of track, improved the quality that final stoving accomplished the lees.

Claims

1. A white spirit vinasse drying device comprises a drying roller (1), a drying box (2) and an air supply device, wherein vertical plates (3) are symmetrically arranged on two sides of the drying roller (1), two ends of the drying roller (1) are respectively rotatably connected with the two vertical plates (3), the drying roller (1) is connected with a roller feed inlet (4), a roller discharge outlet (5), a roller air inlet (6) and a roller air outlet (7), the roller air inlet (6) is close to the roller discharge outlet (5), the roller air outlet (7) is close to the roller feed inlet (4), a secondary feed inlet (8), a secondary discharge outlet (9), a hot air inlet (10) and a hot air outlet (11) are arranged on the drying box (2), the roller discharge outlet (5) is communicated with the secondary feed inlet (8), and the roller air inlet (6) and the hot air inlet (10) are both communicated with the, the method is characterized in that: a first scraper device is arranged between the two vertical plates (3), the first scraper device is positioned in the drying roller (1), a plurality of layers of tracks (12) are arranged in the drying box (2), the ends of the plurality of layers of tracks (12) are arranged in a staggered manner, a plurality of stirring paddles (13) and a second scraper device are arranged in the drying box (2), a plurality of stirring motors (14) are fixed on the drying box (2), the stirring paddles (13) are fixedly connected with output shafts of the stirring motors (14), the stirring paddles (13) and the second scraper device are respectively positioned at the upper side and the lower side of the tracks (12), a plurality of knocking plates (15) are rotatably connected in the drying box (2), reset torsion springs (16) are arranged between the knocking plates (15) and the side walls of the drying box (2), the knocking plates (15) are positioned on the rotating path of the stirring paddles (13), and a plurality of hot air inlets (10) are arranged, the hot air inlet (10) is located on one side opposite to the stirring motor (14), and the position of the hot air inlet (10) corresponds to that of the stirring paddle (13).

2. The drying equipment for white spirit distiller's grains according to claim 1, characterized in that: the first scraper device comprises a support (17), the support (17) is located in the drying roller (1), two ends of the support (17) are fixedly connected with two vertical plates (3) respectively, a first rotating shaft (18) is connected to the support (17) in a rotating mode, a plurality of first rollers (19) are fixed on the first rotating shaft (18), arc-shaped scrapers (20) are symmetrically arranged on two sides of the first rollers (19), and the shape of each arc-shaped scraper (20) is matched with the shape of the inner side wall of the drying roller (1).

3. The drying equipment for white spirit distiller's grains according to claim 1, characterized in that: the second scraper device comprises a second rotating shaft (21), a second roller (22) and a pointed scraper (23), the second rotating shaft (21) is rotatably connected in the drying box (2), the second roller (22) is fixed on the second rotating shaft (21), the pointed scraper (23) is symmetrically arranged on two sides of the second roller (22), and the pointed end of the pointed scraper (23) is arranged below the crawler (12).

4. The drying equipment for white spirit distiller's grains according to claim 1, characterized in that: stirring rake (13) are including fixed axle (24), connecting rod (25), stirring leaf (26), fixed axle (24) rotate to be connected in stoving case (2), fixed axle (24) and agitator motor (14)'s output shaft fixed connection, the circular array of connecting rod (25) distributes on fixed axle (24), stirring leaf (26) are fixed at the end of connecting rod (25), strike board (15) and are located the rotation path of stirring leaf (26).

5. The drying equipment for white spirit distiller's grains according to claim 4, characterized in that: the cross section of the stirring blade (26) is triangular, and the plane where the hypotenuse of the triangle is located is subjected to shell extraction treatment.

6. The drying equipment for white spirit distiller's grains according to claim 4, characterized in that: be equipped with a plurality of air inlet branch pipes (27) on hot gas air inlet (10), be equipped with atomizer (28) on air inlet branch pipe (27), air inlet branch pipe (27) use the axis place's of fixed axle (24) direction as the distribution of central one-tenth circular array, the movement path of air inlet branch pipe (27) is the same with the movement path size of stirring leaf (26).

7. The drying equipment for white spirit distiller's grains according to claim 1, characterized in that: the air supply device comprises an air inlet main pipe (29), a cold air pipe (30) and a heat exchanger (31), wherein the heat exchanger (31) is located outside the air inlet main pipe (29), the cold air pipe (30) is communicated with the heat exchanger (31), the air inlet main pipe (29) is communicated with the roller air inlet (6), and the hot air inlet (10) is communicated with the heat exchanger (31).