CN202329021U

CN202329021U - Rake type vacuum drying device

Info

Publication number: CN202329021U
Application number: CN201120287331XU
Authority: CN
Inventors: 谢洪清; 查协芳
Original assignee: CHANGZHOU XIANFENG DRYING EQUIPMENT Co Ltd
Current assignee: JIANGSU XIANFENG DRYING ENGINEERING CO., LTD.
Priority date: 2011-03-08
Filing date: 2011-08-09
Publication date: 2012-07-11
Anticipated expiration: 2021-08-09

Abstract

A rake type vacuum drying device comprises a tank body. A spindle of the drying device is a solid spindle, a plurality of rake tooth components are arranged on the spindle, each rake tooth component is composed of sleeves and four solid rake teeth which are evenly distributed and fixed on the sleeves, each rake tooth component is connected on the spindle through a sleeve key, and orientation of rake teeth of all rake tooth components is identical to formed four channels in the tank body, and a striking rod is arranged in every channel or interval channels. The rake type vacuum drying machine can use the striking rods to strike materials in the tank body of the drying device to quicken smashing of the materials, enable the materials to acquire larger specific surface area, quicken drying process and lead end products to be even in fineness and low in moisture. The rake type vacuum drying device is suitable for lithium iron phosphate materials and improves quality of end products and drying efficiency.

Description

A kind of rake formula Minton dryer

Technical field

The utility model relates to rake formula vacuum drying main frame.

Background technology

Rake formula vacuum drier is a kind of universal drying equipment.Rake formula vacuum drier is to utilize the moisture content characteristics that boiling point reduces under vacuum state in the material to carry out dry equipment.This equipment is used the steam jacket indirect, and moisture content receives thermal evaporation and in time extracted.In the drying machine enclosure interior, rake teeth drives through power transmission shaft, and rake teeth end and axis designs have certain angle, and power transmission shaft moves material vertically through the Direct/Reverse rotation and is beneficial to drying and discharging.The Chinese invention patent publication number be the Shen Qing Publication specification of 101050916A disclosed promptly be a kind of rake type drier; It mainly adopts hollow spindle to be installed in the tank body inner core; On an empty stomach drag head connects raking arm being installed on the hollow spindle symmetrically; The difference installation shaft bearing at the hollow spindle two ends, rolling self-aligning bearing supporting hollow spindle in the bearing block, swivel joint is installed on the hollow spindle; Casing drum is arranged on the top of tank body inner core, and motor reduction gearbox is connected with joint and is fastened on the hollow spindle other end.Above-mentioned rake formula vacuum drier is the drying of suitable LiFePO4 material not; This is that to powdery, the material metamorphosis is big from the liquid state to the paste for material when dry because the LiFePO4 hanging is mobile poor; Material can become sticky in dry run; The working resistance of rake teeth is very big, does not have enough intensity like raking arm and rake teeth, crooked easily, fracture in dry run.And the welding between present hollow raking arm and the hollow spindle; Make main shaft and raking arm produce bigger deformation, main shaft is in driving the rake teeth rotary course, and the gap between the head of rake teeth and the tank body inner tube wall is inhomogeneous; Influence crushing effect, cause product fineness even inadequately.

The utility model content

The purpose of the utility model is to propose a kind of rake formula Minton dryer of finish fineness good uniformity.

For achieving the above object, the utility model is taked following technical scheme:

The rake formula vacuum drying main frame that the utility model proposes comprises motor, reduction box, saddle base, is arranged on the jacket type tank body on the saddle base and is in the main shaft in the tank body that the top of tank body is provided with vacuum-pumping tube; Be connected with the material velar plate on the top-feed mouth, the discharging opening of bottom is provided with device for discharging, and the left and right sides in the chuck of tank body is respectively established a cover circulating pipe; The both sides of the bottom of tank body are respectively equipped with the oil inlet pipe that connects with corresponding circulating pipe import; Tank body the both sides, top be respectively equipped with the oil return pipe that connects with the outlet of corresponding circulating pipe, respectively be connected with bearing block assembly on the end cap at tank body two ends, the bearing in the two bearings holder assembly supports above-mentioned main shaft; The output shaft of reduction box is connected with above-mentioned main shaft; Said main shaft is solid main shaft, and main shaft is provided with some rake teeth parts, and every rake teeth parts are made up of the sleeve and four the solid rake teeths that are fixed on sleeve that are evenly distributed; Every rake teeth parts are connected on the main shaft through the cover axle key; The rake teeth of each rake teeth parts is towards identical, thereby in tank body, forms four passages, places a stamp in every passage or in the passage at interval.

Said stamp is hollow stamp, the two ends shutoff.

Said tank body top is provided with the manhole of length greater than length of tank 1/2, and said charge door is arranged on the cover plate for manhole.

Said device for discharging comprises dump skip; Be provided with the discharging rotating shaft by the pair of bearings seat supports in the dump skip, the discharging rotating shaft is connected with bin gate through connecting rod, and discharging rotating shaft one end stretches out dump skip; Be fixed with worm gear on the external part of discharging rotating shaft, be connected with handwheel with an end of worm gear engaged worm.

Said two bearings holder assembly each by bearing block, be arranged on the bearing in the bearing block and be connected end cap and bearing block between sealing shroud form.

Be provided with the filler seat that is fixed on the end cap in the sealing shroud of said bearing block assembly, be provided with the filler that is enclosed within on the main shaft in the filler seat, compress a filler and cap is threaded on the opening of filler seat.

The utlity model has following good effect: 1, in tank body, add 2 or 4 stamps, it constantly knocks material in inside, quicken material grinding; Make material obtain bigger specific area, the discharge of more favourable material surface moisture, thus quicken dry run; Make the fineness of finished product even, moisture is low, suitable drying to the LiFePO4 material; Not only improve product quality, and improved drying efficiency.Native system reclaims solvent through condenser and gas-liquid separator, and solvent utilizes again, favourable reducing cost.2, adopt solid main shaft and solid rake teeth, the good rigidity of solid main shaft and solid rake teeth can be born and stirred the big resistance that viscous and dense material produces, the vibration that can bear stamp, and can guarantee that dry run is stable carries out.3, rake formula vacuum drying main frame adopts rake teeth parts key to be connected on the main shaft, for processing, mounting or dismounting all bring convenience.

Description of drawings

Fig. 1 is the configuration diagram of this rake formula vacuum drying main frame.

Fig. 2 is the side view of Fig. 1.

Fig. 3 is the configuration diagram of bearing block assembly.

Fig. 4 is the diagrammatic sketch of rake teeth parts.

Fig. 5 is the diagrammatic sketch of device for discharging.

Fig. 6 is the side view of Fig. 5.

The specific embodiment

Embodiment 1

See Fig. 1 to Fig. 6, present embodiment comprises motor 21, reduction box 22, saddle base 24, is arranged on the jacket type tank body 1 on the saddle base 24 and is in the main shaft 6 in the tank body 1.The output shaft of reduction box 22 is connected with above-mentioned main shaft 6 through chain transmission or belt transmission.

For ease of maintenance and cleaning; Said tank body top is provided with the manhole b of length greater than length of tank 1/2; Manhole b is provided with the cover plate for manhole 15 of ability quickly opening and closing; Cover plate for manhole 15 is provided with charge door a, is connected with the material velar plate 14 of ability quickly opening and closing on the charge door a, and vacuum-pumping tube 16 is connected on the cover plate for manhole 15.

Left and right sides in the chuck of tank body 1 is respectively established a cover circulating pipe 11, and the two bottom sides of tank body 1 is respectively equipped with the oil inlet pipe 9 that connects with corresponding circulating pipe 11 imports, and 1 both sides, top of tank body are respectively equipped with the oil return pipe 17 that connects with corresponding circulating pipe 11 outlets.Respectively be connected with bearing block assembly 2 on the end cap 1 at tank body 1 two ends, the two bearings holder assembly of said rake formula vacuum drying main frame 12 each by bearing block 2-1, be arranged on the bearing 2-2 in the bearing block 2-1 and be connected end cap 1 and bearing block 2-1 between sealing shroud 2-3 form.By the said main shaft 6 of 5 supportings of the bearing in the two bearings holder assembly 2.Be provided with the filler seat 4 that is fixed on the end cap in the sealing shroud 2-3 of said bearing block assembly 2, be provided with the filler 5 that is enclosed within on the main shaft in the filler seat 4, the cap 3 in the lump that is threaded on the opening of filler seat 4, and cap 3 is used for compressing filler 5, the sealing of assurance tank body.Tank base is provided with discharging opening, and discharging opening is provided with device for discharging 13.The device for discharging 13 of said rake formula vacuum drying main frame 1 comprises dump skip 13-1; Be provided with discharging rotating shaft 13-3 in the dump skip 13-1 by the bearings in the pair of bearing 13-2; Discharging rotating shaft 13-3 is connected with bin gate 13-5 through connecting rod 13-4; Discharging rotating shaft 13-3 one end stretches out dump skip 13-1, is fixed with worm gear 13-6 on the external part of discharging rotating shaft 13-3, is connected with handwheel 13-8 with the end of worm gear 13-6 engaged worm 13-7; Or worm screw 13-7 connection hand wheel shaft, handwheel 13-8 is fixed on the hand wheel shaft.

What said main shaft 6 adopted is solid main shaft; Main shaft 6 is provided with some rake teeth parts 7; The quantity of rake teeth parts 7 is according to the specific requirement setting; Every rake teeth parts 7 are made up of with four the solid rake teeth 7-2 that are fixed on sleeve 7-1 that are evenly distributed the sleeve 7-1 with main shaft 6 interference fits, and rake teeth 7-2 comprises 7-21 of bar portion and head 7-22, adopt welding between the 7-21 of bar portion of rake teeth and the head 7-22 and between rake teeth 7-2 and the sleeve 7-1.On main shaft 6, be provided with the keyway of axial perforation main shaft 6; Each rake teeth parts 7-2 is connected on the main shaft 6 through sleeve 7-1 key, and the rake teeth 7-2 of each rake teeth parts 7-2 is towards identical, thereby in tank body 1, forms four passage F; Place a stamp 8 among every passage F, four stamps 8 promptly are set.Or stamp 8 described in the passage F at interval, promptly being symmetrical set two stamps 8, stamp 8 is hollow heavy wall stainless steel tubes isometric basically with the tank inner chamber axial length, the shutoff of stainless steel tube two ends.Suppose that rake teeth turns clockwise; When being in the lower vertical shape, one rake teeth pushing away along the tank wall rising, when this rake teeth turns to 90 ° of positions, because the effect of gravity being in its place ahead stamp 8; Stamp 8 is between positive landing to this rake teeth and last rake teeth of this rake teeth; When last rake teeth turns to 270 ° of positions, stamp 8 to contacting with tank wall, is asking stamp 8 along tank wall to drop to minimum point by the back side of last rake teeth along the back side landings of last rake teeth; Last rake teeth waits a former rake teeth to continue pushing away stamp 8 and rises along tank wall from stamp 8.In this process, stamp 8 play to tank body scrape wall, to the effect of material grinding and stirring.

Being dried, charge door adds material from tank body top center, and under the stirring of the rake teeth of continuous positive and negative rotation, material is axially walked up and down; The surface that contacts with inner tank wall is brought in constant renewal in, and receives the indirect of steam, the even stirring of rake teeth; Stamp constantly knocks material in inside, make material obtain bigger specific area, makes the more favourable discharge of material surface moisture; Thereby the acceleration dry run makes the finished product materials quality better.

Claims

1. harrow the formula Minton dryer for one kind; Comprise motor (21), reduction box (22), saddle base (24), be arranged on the jacket type tank body (1) on the saddle base (24) and be in the main shaft (6) in the tank body (1); The top of tank body (1) is provided with vacuum-pumping tube (16); Be connected with material velar plate (14) on the top-feed mouth (a); The discharging opening of bottom is provided with device for discharging (13); Left and right sides in the chuck of tank body (1) is respectively established a cover circulating pipe (11), and the both sides of the bottom of tank body (1) are respectively equipped with the oil inlet pipe (9) that connects with corresponding circulating pipe (11) import, and the both sides, top of (1) of tank body are respectively equipped with the oil return pipe (17) that connects with corresponding circulating pipe (11) outlet; Respectively be connected with bearing block assembly (2) on the end cap (1) at tank body (1) two ends; Bearing (5) in the two bearings holder assembly (2) supports above-mentioned main shaft (6), and the output shaft of reduction box (22) is connected with above-mentioned main shaft (6), it is characterized in that: said main shaft (6) is solid main shaft; Main shaft (6) is provided with some rake teeth parts (7); Every rake teeth parts (7) by sleeve (7-1) and four the solid rake teeths (7-2) that are fixed on sleeve (7-1) that are evenly distributed form, every rake teeth parts (7) are connected on the main shaft (6) through sleeve (7-1) key, the rake teeth (7-2) of each rake teeth parts (7-2) is towards identical; Thereby in tank body (1), form four passages (F), place a stamp (8) in every passage (F) or in the passage (F) at interval.

2. a kind of rake formula Minton dryer according to claim 1 is characterized in that: said stamp (8) is hollow stamp, the two ends shutoff.

3. a kind of rake formula Minton dryer according to claim 1 is characterized in that: said tank body top is provided with the manhole (b) of length greater than length of tank 1/2, and said charge door (a) is arranged on the cover plate for manhole (15).

4. a kind of rake formula Minton dryer according to claim 1; It is characterized in that: the device for discharging (13) of said rake formula vacuum drying main frame (1) comprises dump skip (13-1); Be provided with the discharging rotating shaft of supporting by pair of bearing (13-2) (13-3) in the dump skip (13-1); Discharging rotating shaft (13-3) is connected with bin gate (13-5) through connecting rod (13-4); Discharging rotating shaft (13-3) end stretches out dump skip (13-1), is fixed with worm gear (13-6) on the external part of discharging rotating shaft (13-3), is connected with handwheel (13-8) with an end of worm gear (13-6) engaged worm (13-7).

5. a kind of rake formula Minton dryer according to claim 1 is characterized in that: said two bearings holder assembly (2) each by bearing block (2-1), be arranged on the bearing (2-2) in the bearing block (2-1) and be connected end cap (1) and bearing block (2-1) between sealing shroud (2-3) form.

6. a kind of rake formula Minton dryer according to claim 5; It is characterized in that: be provided with the filler seat (4) that is fixed on the end cap in the sealing shroud (2-3) of said bearing block assembly (2); Be provided with the filler (5) that is enclosed within on the main shaft in the filler seat (4), compress filler (a 5) and cap (3) is threaded on the opening of filler seat (4).