CN220624685U

CN220624685U - Flash dryer

Info

Publication number: CN220624685U
Application number: CN202321791335.0U
Authority: CN
Inventors: 郭玲娟; 俞军波; 夏平平
Original assignee: Zhejiang Zhengqi Shirong Technology Co ltd
Current assignee: Zhejiang Zhengqi Shirong Technology Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-03-19
Anticipated expiration: 2033-07-10

Abstract

The utility model discloses a flash evaporation dryer which comprises an outer cylinder body, an inner cylinder body, a crushing device and a feeding device, wherein the outer cylinder body comprises an air box and a feeding bin, the air box is coated at the lower part of the feeding bin, a gap exists between the lower end of the feeding bin and the inner bottom surface of the air box, the crushing device is arranged at the bottom of the air box, the inner cylinder body is arranged at the inner bottom surface of the air box, the inner cylinder body is arranged in the feeding bin, a rotating shaft extends into the inner cylinder body, a plurality of crushing cutters are arranged on the rotating shaft, the crushing cutters are arranged in the inner cylinder body, the feeding device penetrates through the side wall of the feeding bin, the feeding device is connected with the upper end of the inner cylinder body, a plurality of air inlets are formed in the bottom surface of the inner cylinder body, a plurality of discharge holes are formed in the side wall of the inner cylinder body, and a discharge hole is formed in the top of the feeding bin.

Description

Flash dryer

Technical Field

The utility model relates to the technical field of drying equipment, in particular to a flash evaporation dryer.

Background

In the preparation process of the transparent ferric oxide, the raw materials which are in a block shape or a bulk shape and contain water are required to be prepared into powder through the procedures of crushing, drying and the like, and the raw materials are crushed through a crusher after being dried by using a belt type dryer, so that the drying time is long, the working efficiency is low, the raw materials can be crushed and simultaneously dried by using a flash dryer, the working efficiency is obviously improved, but the existing flash dryer has the following defects: the feed inlet of flash dryer is located the reducing mechanism top generally, and the raw materials falls into reducing mechanism from last and smashes, and dry hot-blast from the down upward blowing, powder need be blown by the wind direction and follow machine top ejection of compact, and this just leads to smashing the raw materials powder after the drying and can be by the raw materials piece adhesion that the feed inlet got into again, influences the powder ejection of compact, and ejection of compact inefficiency consequently needs a technical scheme to solve above-mentioned problem.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a flash dryer aiming at the technical requirement.

In order to achieve the above object, the present utility model provides a flash dryer, which is characterized in that: including outer barrel, interior barrel, reducing mechanism and feed arrangement, outer barrel includes bellows and pay-off storehouse, the bellows cladding is in pay-off storehouse lower part, there is the space between the interior bottom surface of lower extreme and bellows of pay-off storehouse, reducing mechanism installs in bellows bottom center, interior bottom surface center in bellows is installed to the interior barrel, interior barrel is located the feed storehouse, reducing mechanism includes pivot and crushing sword, the pivot stretches into in the inner barrel, a plurality of crushing sword are installed to the pivot, a plurality of crushing sword is located the inner barrel, feed arrangement runs through the pay-off storehouse lateral wall, feed arrangement connects interior barrel upper end, a plurality of evenly distributed's air intake is seted up to inner barrel bottom surface, the inner barrel lateral wall is equipped with a plurality of discharge openings, a plurality of the discharge openings are located the top of the crushing sword of top, the feed bin top is equipped with the discharge gate.

Further, the inner cylinder body comprises a feeding bin and a crushing bin, the feeding bin is located above the crushing bin, the feeding bin is connected with the crushing bin through a discharging pipe, the discharging pipe is located at the center of the top of the crushing bin, and the feeding device is communicated with the feeding bin.

Further, the screw rod is installed at the upper end of the rotating shaft, the screw rod penetrates through the discharging pipe, a part of the screw rod enters the feeding bin, and the screw rod rotates the feeding bin to discharge the material to the crushing bin.

Further, the top surface of the crushing bin is in a funnel shape with a concave center.

Further, the diameter of the crushing bin is gradually increased from bottom to top, and the diameter of the part of the side wall of the crushing bin, which is provided with a plurality of discharging holes, reaches the maximum.

Further, the inner cylinder body comprises a discharge plate which is detachably arranged, and a plurality of discharge holes are uniformly distributed on the discharge plate.

Further, the inner cylinder body comprises a wind shield, the wind shield is located on the lower end face of the inner cylinder body, the connecting end of the wind shield and the lower end face of the inner cylinder body is close to the center of the inner cylinder body, the lower end of the wind shield is connected with the inner bottom face of the bellows, and the wind shield is a conical plate with the diameter gradually decreasing from bottom to top.

Further, the air inlet is fan-shaped, a plurality of air deflectors are arranged on the lower end face of the inner cylinder body, one air inlet is correspondingly provided with one air deflector, and the air deflector is positioned at the large-diameter circular arc edge of the air inlet.

Further, a plurality of striker plates are arranged on the inner bottom surface of the inner cylinder body, one air inlet is correspondingly provided with one striker plate, the striker plate can cover the air inlet, the striker plate and the inner bottom surface of the inner cylinder body keep a certain height, and the striker plate is connected to the position, close to the rotating shaft, of the air inlet.

Further, the bottom surface of interior barrel passes through the bearing with the pivot and is connected, the baffle is installed to the pivot, the baffle is located between bearing and the crushing sword of below, the baffle diameter is greater than the bearing diameter, the baffle outer edge downward sloping.

Compared with the related art, the flash dryer provided by the utility model has the following beneficial effects:

according to the utility model, the inner cylinder body for crushing is arranged in the outer cylinder body, the feeding device is directly fed into the inner cylinder body for crushing, the air inlet is arranged at the bottom of the inner cylinder body, raw materials are dried while crushed, whirlwind in the air box enters the feeding bin through a gap at the bottom of the feeding bin and is blown from bottom to top for discharging, the air speed is increased at the position of reducing the gap through the change of the gap between the outer wall of the inner cylinder body and the inner wall of the feeding bin, the crushed powder in the inner cylinder body is guided through the discharging hole, and the powder is led to enter between the outer wall of the inner cylinder body and the inner wall of the feeding bin by matching with the blowing at the bottom of the inner cylinder body, so that the raw materials are discharged along with the upward air, the drying crushing and discharging of the raw materials are separately carried out, the condition that the powder is adsorbed by the raw materials cannot occur, and the working efficiency is high.

Drawings

Fig. 1 is a schematic diagram of the present embodiment.

Fig. 2 is a schematic view of the inner cylinder.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a sectional view in the direction B-B of fig. 2.

Reference numerals in the drawings: 1. an outer cylinder; 11. a wind box; 12. feeding a storage bin; 13. a discharge port; 2. an inner cylinder; 21. a discharge hole; 22. a wind deflector; 23. an air inlet; 231. an air deflector; 232. a striker plate; 24. a feeding bin; 25. crushing the bin; 26. a bearing; 27. a discharge pipe; 28. a discharge plate; 3. a pulverizing device; 31. a rotating shaft; 32. a crushing knife; 33. a screw rod; 34. a baffle; 35. a motor; 4. and a feeding device.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, this embodiment discloses a flash dryer, including outer barrel 1, inner barrel 2, reducing mechanism 3 and feed arrangement 4, outer barrel 1 includes bellows 11 and feeding bin 12, bellows 11 cladding is in feeding bin 12 lower part, there is the space between the interior bottom surface of bellows 11 lower extreme of feeding bin 12, bellows 11 forms whirlwind through outside input dry hot-blast, get into inside feeding bin 12 through the space between the lower extreme of feeding bin 12 and the interior bottom surface of bellows 11, dry hot-blast is blown upward from the bottom in feeding bin 12, dry and export the powder, the powder after the drying is equipped with discharge gate 13 from feeding bin 11 top and carries out the ejection of compact.

The inner barrel 2 includes feeding storehouse 24 and crushing storehouse 25, feeding storehouse 24 is located crushing storehouse 25 top, feeding storehouse 24 passes through discharging pipe 27 with crushing storehouse 25 and is connected, discharging pipe 27 is located crushing storehouse 25 top center, feeding pipe part extends into crushing storehouse 25, in order to prevent that the raw materials from still smashing the drying just gets rid of to discharge port 21, feeding pipe is from the effect thrust outside that the central feeding passes through centrifugal force with the powder after smashing, make crushing effect better, feeding device 4 intercommunication feeding storehouse 24, feeding device 4 is the spiral inlet pipe, reducing mechanism 3 installs in bellows 11 bottom center, inner barrel 2 installs in bellows 11's interior bottom surface center, inner barrel 2 is located feed bin 12, reducing mechanism 3 includes pivot 31 and crushing sword 32, pivot 31 stretches into in the inner barrel 2, a plurality of crushing sword 32 are installed to pivot 31, a plurality of crushing sword 32 are located in inner barrel 2's crushing storehouse 25, reducing mechanism 3 is driven through motor 35, motor 35 installs in bellows 11 bottom, crushing sword 32 evenly sets up a plurality of groups along pivot 31 axial direction, the effect of rotation crushing sword 32 carries out crushing work, the upper end installation screw rod 33, screw rod 33 runs through the screw rod 33 and passes through the feed 25 in the spiral storehouse 24, the effect of the screw rod 33 can prevent to roll the feed rod 33 to roll into the feed bin 24, the material in the spiral feed device is in the feed storehouse 24, simultaneously, the feed device is prevented from rotating the feed screw rod 33 rolls the feed rod 33 into the feed bin 25, the feed rod is in the feed bin is in the crushing storehouse 25.

The diameter of smashing storehouse 25 from the bottom up increases gradually, smashing the diameter of the part that storehouse 25 lateral wall was equipped with a plurality of discharge holes 21 reaches the biggest, because the whirlwind in the bellows 11 gets into in sending storehouse 12 through the space that send storehouse 12 bottom, blow down upwards and go on the ejection of compact, in order to make the powder export in can be better from inner tube body 2, the lateral wall of smashing storehouse 25 sets up the part of discharge hole 21 and the distance between the inner wall of sending storehouse 12 sets up minimumly, make the velocity of flow of dry hot-blast when passing here, form the negative pressure in discharge hole 21 department and take out the inside powder of smashing storehouse 25, the inside diameter of discharge hole 21 is greater than the outside diameter simultaneously, discharge hole 21 is the loudspeaker form of inwards expanding, have better effect of inhaling the powder, the top surface of smashing storehouse 25 is the hopper form of central downhill, the air intake 23 of smashing storehouse 25 bottom carries out the air inlet drying from the downhill, the hot-blast upwards blows the powder to smashing storehouse 25 top, smashing storehouse 25 top has radially outwards upwards slope trend, make inside wind direction towards smashing storehouse 25 upper end lateral wall, make the powder ejection of compact effect better, make inner tube 2 include the removable discharge plate 28 evenly distributed at the discharge plate 28, the different discharge plate of powder of material or the different material of the different discharge plate of discharge hole 28 are prevented from piling up at different discharge hole 21, the different material according to the different discharge plate diameter of discharge plate 21.

The inner cylinder 2 comprises a wind deflector 22, the wind deflector 22 is positioned on the lower end face of the inner cylinder 2, the connecting end of the wind deflector 22 and the lower end face of the inner cylinder 2 is close to the center of the inner cylinder 2, the air inlet 23 is fan-shaped, a plurality of groups of air inlets 23 are arranged along the radial direction around the connecting end of the wind deflector 22 and the lower end face of the inner cylinder 2, the lower end of the wind deflector 22 is connected with the inner bottom face of the bellows 11, the wind deflector 22 is a conical plate with the diameter gradually reduced from bottom to top, the wind deflector 22 plays a role in protecting a sealing seat of a rotating shaft 31 of the crushing device 3, meanwhile, plays a role in guiding dry hot air, and can guide whirlwind at the bottom of the feed bin 12 into the air inlet 23 to dry raw materials in the crushing bin 25.

As shown in fig. 3, in order to make the dry hot air better enter the crushing bin 25, a plurality of air deflectors 231 are installed on the lower end surface of the inner cylinder 2, one air inlet 23 is correspondingly provided with one air deflector 231, the air deflector 231 is located at the large-diameter circular arc edge of the air inlet 23, when the hot air flows to the air deflector 22, the wind direction is changed upwards along the air deflector 22, and the air inlet quantity of the air inlet 23 is increased through the arrangement of the air deflector 231, so that the air quantity entering the crushing bin 25 is increased.

As shown in fig. 3 and 4, a plurality of baffle plates 232 are installed on the inner bottom surface of the inner cylinder 2, the section of each baffle plate 232 is L-shaped, one part of each baffle plate 232 is parallel to the inner bottom surface of the inner cylinder 2, the other part of each baffle plate 232 is bent downwards, the lower end of each baffle plate 232 is connected to the small-diameter circular arc edge of the air inlet 23, one air inlet 23 is correspondingly provided with one baffle plate 232, each baffle plate 232 can cover the air inlet 23, the baffle plates 232 and the inner bottom surface of the inner cylinder 2 keep a certain height, and the baffle plates 232 can prevent raw materials in the crushing bin 25 from directly leaking out through the air inlet 23 and can guide the wind direction of the air inlet 23 outwards, so that powder can be conveyed upwards along the outer side.

As shown in fig. 2 and 3, the bottom surface of the inner cylinder 2 is connected with the rotating shaft 31 through a bearing 26, the rotating shaft 31 is provided with a baffle 34, the baffle 34 is positioned between the bearing 26 and the lowest crushing cutter 32, the diameter of the baffle 34 is larger than that of the bearing 26, the outer end of the baffle 34 extends to the upper part of the innermost baffle 232, the outer edge of the baffle 34 is inclined downwards, auxiliary raw materials and powder fall outwards, and the raw materials and the powder on the baffle 34 are thrown outwards under the action of centrifugal force when the rotating shaft 31 rotates, so that the baffle 34 is used for preventing the raw materials and the powder fed above from entering the bearing 26 and the rotating shaft 31 seat of the crushing device 3 and preventing the bearing 26 and the rotating shaft 31 seat from being damaged.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flash dryer, characterized in that: including outer barrel (1), inner barrel (2), reducing mechanism (3) and feed arrangement (4), outer barrel (1) includes bellows (11) and pay-off storehouse (12), bellows (11) cladding is in pay-off storehouse (12) lower part, there is the space between the interior bottom surface of lower extreme and bellows (11) of pay-off storehouse (12), reducing mechanism (3) are installed in bellows (11) bottom center, inner barrel (2) are installed in bellows (11) interior bottom surface center, inner barrel (2) are located feed bin (12), reducing mechanism (3) are including pivot (31) and crushing sword (32), pivot (31) are stretched into in inner barrel (2), a plurality of crushing sword (32) are installed to pivot (31), a plurality of crushing sword (32) are located in inner barrel (2), feed arrangement (4) run through feed bin (12) lateral wall, feed arrangement (4) are connected in inner barrel (2) upper end, inner barrel (2) bottom surface sets up evenly distributed in the lateral wall (21) of a plurality of top of air intakes (21), a discharge hole (13) is arranged at the top of the feeding bin (12).

2. A flash dryer according to claim 1, wherein: the inner cylinder body (2) comprises a feeding bin (24) and a crushing bin (25), the feeding bin (24) is located above the crushing bin (25), the feeding bin (24) is connected with the crushing bin (25) through a discharging pipe (27), the discharging pipe (27) is located at the center of the top of the crushing bin (25), and the feeding device (4) is communicated with the feeding bin (24).

3. A flash dryer according to claim 2, wherein: screw rod (33) are installed to pivot (31) upper end, screw rod (33) run through discharging pipe (27), in screw rod (33) partly got into feeding storehouse (24), screw rod (33) rotatory feeding storehouse (24) are to smashing storehouse (25) ejection of compact.

4. A flash dryer according to claim 2, wherein: the top surface of the crushing bin (25) is in a funnel shape with a concave center.

5. A flash dryer according to claim 2, wherein: the diameter of the crushing bin (25) is gradually increased from bottom to top, and the diameter of the part of the side wall of the crushing bin (25) provided with a plurality of discharging holes (21) is the largest.

6. A flash dryer according to claim 1, wherein: the inner cylinder body (2) comprises a discharge plate (28) which is detachably arranged, and a plurality of discharge holes (21) are uniformly distributed on the discharge plate (28).

7. A flash dryer according to claim 1, wherein: the inner cylinder body (2) comprises a wind deflector (22), the wind deflector (22) is located on the lower end face of the inner cylinder body (2), the connecting end of the wind deflector (22) and the lower end face of the inner cylinder body (2) is close to the center of the inner cylinder body (2), the lower end of the wind deflector (22) is connected with the inner bottom face of the bellows (11), and the wind deflector (22) is a conical plate with the diameter gradually reduced from bottom to top.

8. A flash dryer according to claim 1, wherein: the air inlet (23) is fan-shaped, a plurality of air deflectors (231) are arranged on the lower end face of the inner cylinder body (2), one air inlet (23) is correspondingly provided with one air deflector (231), and the air deflector (231) is positioned at the large-diameter circular arc edge of the air inlet (23).

9. A flash dryer according to claim 1, wherein: the inner bottom surface of inner tube body (2) installs a plurality of striker plates (232), an air intake (23) corresponds installation striker plate (232), striker plate (232) can cover air intake (23), striker plate (232) keep certain height with the inner bottom surface of inner tube body (2), striker plate (232) are connected in air intake (23) and are close to pivot (31) department.

10. A flash dryer according to claim 1, wherein: the bottom surface of inner tube body (2) is connected through bearing (26) with pivot (31), baffle (34) are installed to pivot (31), baffle (34) are located between bearing (26) and the crushing sword (32) of below, baffle (34) diameter is greater than bearing (26) diameter, the outer edge downward sloping of baffle (34).