CN210419253U

CN210419253U - Flash evaporation furnace for graphite production

Info

Publication number: CN210419253U
Application number: CN201921073046.0U
Authority: CN
Inventors: 李炎雄; 刘军德; 李清泉
Original assignee: Qingdao Luowei New Materials Co ltd
Current assignee: Qingdao Luowei New Materials Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-04-28
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to a flash distillation furnace technical field discloses a flash distillation furnace is used in graphite production, including conveyor screw, air heater and furnace body, graphite mouth and hot-blast mouth have been seted up on the furnace body, conveyor screw links to each other with the graphite mouth, the air heater links to each other with the hot-blast mouth, be equipped with agitating unit on the furnace body, agitating unit includes (mixing) shaft and agitator motor, the upper end of (mixing) shaft stretches into in the furnace body and is fixed with a plurality of stirring vane, agitator motor is located the furnace body and links to each other with the lower extreme of (mixing) shaft outward. Graphite is conveyed into the furnace body through the conveying screw rod, and hot air is blown into the furnace body by the hot air blower to dry the graphite. After hot-blast and graphite got into the furnace body, agitator motor started, and the (mixing) shaft rotates and drives stirring vane and rotate, and stirring vane stirs graphite, breaks up graphite to increase graphite and hot-blast area of contact, improve drying effect.

Description

Flash evaporation furnace for graphite production

Technical Field

The utility model relates to a flash furnace technical field, in particular to flash furnace is used in graphite production.

Background

The flash evaporation dryer is a novel continuous drying device integrating drying, crushing and screening, and is particularly suitable for drying cake-shaped, paste-shaped and slurry-shaped graphite. Graphite is a widely used granular crystal, and a flash dryer is used in the production of graphite.

At present, chinese patent with publication number CN205048928U discloses a vertical secondary flash dryer, which comprises a hot air distribution device, a screw feeder, an air distributor, a drying tower, a stirrer, a cyclone separator, a bag-type dust collector, and a secondary drying tower, wherein an air inlet of the secondary drying tower is connected with an air outlet of the drying tower, an air outlet of the secondary drying tower is sequentially connected with the cyclone separator and the bag-type dust collector, a plurality of air flow distribution rings are arranged in the secondary drying tower, and an auxiliary pipe of the hot air distribution device is connected with the secondary drying tower. This desiccator secondary drying tower bottom introduces the high temperature low humidity new trend of one and the high temperature high humidity gas material air current mixture that the drying host computer came out, can prevent effectively that graphite secondary is dry inadequately, can further improve the finished product collection rate.

When the device is used, graphite is stirred in the drying tower through the stirrer, the stirrer comprises a motor, a stirring shaft and stirring blades, and the motor drives the stirring shaft and the stirring blades to rotate, so that the graphite is stirred. And stirring vane is located same height all the time in the drying tower, and stirring vane stirring's scope is less, and stirring effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flash furnace is used in graphite production has the advantage that stirring effect is good.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a flash evaporation furnace for graphite production comprises a conveying screw rod, an air heater and a furnace body, wherein the furnace body is provided with a graphite port and an air heater, the conveying screw rod is connected with the graphite port, the hot air blower is connected with the hot air port, the furnace body is provided with a stirring device, the stirring device comprises a stirring shaft and a stirring motor, the upper end of the stirring shaft extends into the furnace body and is fixed with a plurality of stirring blades, the stirring motor is positioned outside the furnace body and is connected with the lower end of the stirring shaft, the output shaft of the stirring motor is fixedly connected with a connecting shaft, the end part of the stirring shaft is provided with a square connecting hole, the connecting shaft is arranged in a square shape and is connected in the connecting hole in a sliding way, the stirring shaft is provided with a rotating disc, the surface of the rotating disc facing the furnace body is wavy, the lower end of the furnace body is provided with an adjusting rod pointing to the rotating disc, and a supporting spring is arranged between the connecting shaft and the bottom of the connecting hole.

By adopting the technical scheme, the graphite is conveyed into the furnace body through the conveying screw rod, and the hot air blower blows hot air into the furnace body to dry the graphite. After hot-blast and graphite got into the furnace body, agitator motor started, and the (mixing) shaft rotates and drives stirring vane and rotate, and stirring vane stirs graphite, breaks up graphite to increase graphite and hot-blast area of contact, improve drying effect. When the (mixing) shaft rotated, the rolling disc was followed and is rotated, and the surface undulation of rolling disc is uneven, adjusts the surface conflict of pole and rolling disc, and the rolling disc is driven the (mixing) shaft up-and-down motion by the extrusion of adjusting the pole, and the stirring scope of increase (mixing) shaft, supporting spring exert the holding power to the (mixing) shaft, guarantees that rolling disc and regulation pole contact all the time. Through the setting of rolling disc, the (mixing) shaft can be up-and-down motion by oneself when rotating to the stirring scope of increase (mixing) shaft improves the stirring effect.

Furthermore, the lower end of the adjusting rod is rotatably connected with an adjusting wheel, and the adjusting wheel is abutted to the rotating disc.

Through adopting above-mentioned technical scheme, adjusting the pole and passing through regulating wheel and rolling disc inconsistent, the frictional force between regulating wheel and the rolling disc is less, and wearing and tearing are less, and life is longer.

Furthermore, the rolling disc comprises two semicircular sheet bodies, connecting lugs matched with each other are arranged at two ends of each sheet body, and the two mutually opposite connecting lugs are connected through bolts.

Through adopting above-mentioned technical scheme, the rolling disc passes through the bolt and can dismantle with the (mixing) shaft and be connected, the change and the maintenance of the rolling disc of being convenient for.

Furthermore, a connecting groove matched with the sheet body is formed in the stirring shaft.

Through adopting above-mentioned technical scheme, the rolling disc joint is in the spread groove, and the spread groove carries on spacingly to the rolling disc, prevents that relative motion from taking place with the (mixing) shaft in rolling disc, influences the lift of (mixing) shaft.

Furthermore, an inwards concave positioning groove is formed in the connecting groove, and a positioning block matched with the positioning groove is fixed in the inner ring of the sheet body.

Through adopting above-mentioned technical scheme, when lamellar body and (mixing) shaft are connected, the locating piece embedding constant head tank is interior. Locating piece and constant head tank mutually support and fix a position the lamellar body, prevent that lamellar body and (mixing) shaft from taking place relative rotation, improve lamellar body stability.

Furthermore, a material distributing plate is obliquely arranged in the furnace body, the upper end of the material distributing plate is positioned below the graphite port, and a plurality of discharging holes are formed in the material distributing plate.

Through adopting above-mentioned technical scheme, graphite gets into the furnace body from the graphite mouth in, falls on dividing the flitch, and graphite rolls along dividing the flitch, falls on one side of rolling for graphite evenly falls into in the furnace body, prevents that graphite from piling up in one side of furnace body, influences drying effect.

Furthermore, the furnace body inner wall is equipped with the decurrent drainage plate of slope in graphite mouth department.

Through adopting above-mentioned technical scheme, graphite slides along the drainage plate when following graphite mouthful discharge, and the drainage plate provides a level to speed to graphite, prevents that graphite from piling up in the upper end of dividing the flitch.

Further, the furnace body is connected with a bag-type dust remover, and the lower end of the bag-type dust remover is connected with a material receiving box.

Through adopting above-mentioned technical scheme, the sack cleaner filters the gas in the furnace body, reduces the atmosphere pollution on the one hand, and on the other hand receives the workbin and retrieves the less graphite of granule in the gas, improves graphite utilization ratio.

To sum up, the utility model discloses following beneficial effect has:

through the setting of rolling disc, the (mixing) shaft can be up-and-down motion by oneself when rotating to the stirring scope of increase (mixing) shaft improves the stirring effect.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic structural view of a furnace body in the example;

FIG. 3 is a schematic view showing the connection between the connecting shaft and the stirring shaft in the embodiment.

In the figure, 1, a conveying screw; 2. a hot air blower; 3. a furnace body; 31. a graphite port; 32. a hot air port; 33. an air outlet; 34. a discharge port; 35. adjusting a rod; 351. an adjustment wheel; 36. a drainage plate; 41. a stirring shaft; 411. connecting holes; 412. connecting grooves; 413. positioning a groove; 42. a stirring motor; 43. a stirring blade; 44. a connecting shaft; 45. a support spring; 5. rotating the disc; 51. a sheet body; 52. connecting lugs; 53. positioning blocks; 6. a bag-type dust collector; 7. a material distributing plate; 71. a discharge hole; 8. a material receiving box; 9. a cyclone separator.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a flash evaporation furnace for graphite production is shown in figure 1 and comprises a conveying screw rod 1, a hot air blower 2, a furnace body 3, a cyclone separator 9 and a bag-type dust collector 6. The furnace body 3 is provided with a graphite port 31, a hot air port 32, an air outlet 33 and a discharge port 34. Conveying screw 1 links to each other with graphite mouth 31, and air heater 2 links to each other with hot-blast mouth 32, and cyclone 9 links to each other with air exit 33, and sack cleaner 6 links to each other with cyclone 9, and the lower extreme between them is equipped with receipts workbin 8. Graphite is conveyed into the furnace body 3 from the conveying screw rod 1, hot air enters the furnace body 3 through the hot air port 32 to heat the graphite, and the graphite is discharged from the discharge port 34. The gas enters the cyclone separator 9 and the bag-type dust collector 6 from the air outlet 33, and the cyclone separator 9 and the bag-type dust collector 6 recycle the graphite with smaller particles in the gas and discharge the graphite into the material receiving box 8.

As shown in fig. 2, the drainage plate 36 inclined downward is arranged on the inner wall of the furnace body 3 at the graphite port 31, when graphite is discharged from the graphite port 31, the graphite slides along the drainage plate 36, and the drainage plate 36 provides a horizontal speed for the graphite, thereby preventing the graphite from sliding along the inner wall of the furnace body 3 to cause accumulation.

As shown in fig. 2, a material distributing plate 7 is obliquely arranged in the furnace body 3, the upper end of the material distributing plate 7 is positioned below the graphite port 31, and a plurality of discharging holes 71 are formed in the material distributing plate 7. Graphite enters the furnace body 3 from the graphite port 31 and falls on the material distributing plate 7, and the graphite rolls along the material distributing plate 7 and falls off while rolling, so that the graphite uniformly falls into the furnace body 3, and the graphite is prevented from being accumulated on one side of the furnace body 3 to influence the drying effect.

Referring to fig. 2 and 3, the furnace body 3 is provided with a stirring device, and the stirring device stirs and breaks up the graphite, so that the contact area between the graphite and hot air is increased, and the drying effect is improved. The stirring device includes a stirring shaft 41, a stirring motor 42, and a stirring blade 43. One end of the stirring shaft 41 is arranged in the furnace body 3 in a penetrating way and is fixedly connected with the stirring blade 43, and the other end of the stirring shaft passes through the furnace body 3 and is connected with the stirring motor 42. The stirring motor 42 is connected with the stirring shaft 41 through a connecting shaft 44, the stirring motor 42 is started, the stirring shaft 41 rotates, and the stirring blades 43 break up graphite.

As shown in fig. 3, the connecting shaft 44 is fixedly connected to an output shaft of the stirring motor 42 (see fig. 2), the connecting shaft 44 is square, the stirring shaft 41 is provided with a square connecting hole 411, the connecting shaft 44 is slidably connected to the connecting hole 411, and a supporting spring 45 is disposed between the connecting shaft 44 and the bottom of the connecting hole 411. The connecting shaft 44 drives the stirring shaft 41 to rotate, and the stirring shaft 41 can vibrate up and down through the elastic force of the supporting spring, so that the stirring range of the stirring blade 43 (see fig. 2) is enlarged, and the stirring effect is improved.

As shown in fig. 3, an annular concave connecting groove 412 is formed on the side wall of the stirring shaft 41, and a rotating disc 5 is arranged at the connecting groove 412. The rotating disc 5 comprises two semicircular sheet bodies 51, and two ends of the sheet bodies 51 are provided with connecting lugs 52 which are matched with each other. The two sheet bodies 51 are clamped at the connecting grooves 412, the connecting lugs 52 of the sheet bodies 51 are opposite to each other in pairs, and the two opposite connecting lugs 52 are connected through bolts. The rotating disc 5 is detachably connected with the stirring shaft 41 through bolts and is deviated from disassembly and assembly.

Referring to fig. 3, a concave positioning groove 413 is formed in the connecting groove 412, and a positioning block 53 is fixed in an inner ring of the sheet body 51 and is matched with the positioning groove 413. When the sheet body 51 is connected with the stirring shaft 41, the positioning block 53 is embedded in the positioning groove 413. Locating piece 53 and constant head tank 413 are mutually supported and are fixed a position lamellar body 51, prevent that lamellar body 51 and (mixing) shaft 41 from taking place relative rotation, improve lamellar body 51 stability.

As shown in fig. 3, the rotating disc 5 is wavy toward the bottom of the furnace body 3 (see fig. 2), an adjusting rod 35 pointing to the rotating disc 5 is disposed at the lower end of the furnace body 3 (see fig. 2), an adjusting wheel 351 is rotatably connected to the lower end of the adjusting rod 35, and the adjusting wheel 351 is abutted against the upper surface of the rotating disc 5. When the stirring motor 42 (see fig. 2) is started, the rotating disc 5 rotates along with the rotation of the stirring shaft 41, the rotating disc 5 and the adjusting rod 35 are matched with each other, and the stirring shaft 41 reciprocates up and down while rotating, so that the stirring range of the stirring shaft 41 is enlarged.

The specific implementation process comprises the following steps: graphite enters the furnace body 3 from the conveying screw rod 1, and the hot air blower 2 blows hot air into the furnace body 3. Stirring motor 42 starts, and (mixing) shaft 41 stirs graphite, improves drying effect. After the graphite is dried, the graphite is discharged from a discharge port 34, and the gas enters a bag-type dust collector 6 for filtering and is collected.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a flash evaporation furnace is used in graphite production, includes conveying screw (1), air heater (2) and furnace body (3), graphite mouth (31) and hot-blast mouth (32) have been seted up on furnace body (3), conveying screw (1) links to each other with graphite mouth (31), air heater (2) link to each other its characterized in that with hot-blast mouth (32): a stirring device is arranged on the furnace body (3), the stirring device comprises a stirring shaft (41) and a stirring motor (42), the upper end of the stirring shaft (41) extends into the furnace body (3) and is fixed with a plurality of stirring blades (43), the stirring motor (42) is positioned outside the furnace body (3) and is connected with the lower end of the stirring shaft (41), an output shaft of the stirring motor (42) is fixedly connected with a connecting shaft (44), the end part of the stirring shaft (41) is provided with a square connecting hole (411), the connecting shaft (44) is arranged in a square sliding connection in the connecting hole (411), the stirring shaft (41) is provided with a rotating disc (5), the surface of the rotating disc (5) facing the furnace body (3) is in a wave shape, the lower end of the furnace body (3) is provided with an adjusting rod (35) pointing to the rotating disc (5), and a supporting spring (45) is arranged between the connecting shaft (44) and the bottom of the connecting hole (411).

2. The flash furnace for graphite production according to claim 1, characterized in that: the lower end of the adjusting rod (35) is rotatably connected with an adjusting wheel (351), and the adjusting wheel (351) is abutted to the rotating disc (5).

3. The flash furnace for graphite production according to claim 1, characterized in that: the rotating disc (5) comprises two semicircular sheet bodies (51), connecting lugs (52) which are matched with each other are arranged at two ends of each sheet body (51), and the two mutually opposite connecting lugs (52) are connected through bolts.

4. The flash furnace for graphite production according to claim 3, characterized in that: the stirring shaft (41) is provided with a connecting groove (412) matched with the sheet body (51).

5. The flash furnace for graphite production according to claim 4, characterized in that: an inwards concave positioning groove (413) is formed in the connecting groove (412), and a positioning block (53) matched with the positioning groove (413) is fixed in the inner ring of the sheet body (51).

6. The flash furnace for graphite production according to claim 1, characterized in that: the furnace body (3) is internally provided with a material distributing plate (7) in an inclined mode, the upper end of the material distributing plate (7) is located below the graphite port (31), and the material distributing plate (7) is provided with a plurality of discharging holes (71).

7. The flash furnace for graphite production according to claim 6, characterized in that: and a downward inclined flow guide plate (36) is arranged on the inner wall of the furnace body (3) at the graphite port (31).

8. The flash furnace for graphite production according to claim 1, characterized in that: the furnace body (3) is connected with a bag-type dust collector (6), and the lower end of the bag-type dust collector (6) is connected with a material receiving box (8).