CN220728874U

CN220728874U - Flash dryer

Info

Publication number: CN220728874U
Application number: CN202322427759.5U
Authority: CN
Inventors: 林亚田
Original assignee: Ningxia Ruiding Technology Co ltd
Current assignee: Ningxia Ruiding Technology Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-05
Anticipated expiration: 2033-09-07

Abstract

The embodiment of the utility model provides a flash dryer, and relates to the technical field of drying. The flash dryer comprises a flash drying part, a feeding screw and a scraping plate, wherein the bottom of one end of the flash drying part is communicated with a feeding part for feeding, when the scraping plate cleans the inner wall of the feeding part, a user controls a pushing part to work to drive a driving part to move forward, when the driving part moves forward, the driving part decelerates and rotates to enable an inserting rod part to extrude and displace into an auxiliary transmission disc to be connected with an inner adjusting rod, the inner adjusting rod rotates to drive an inner screw cylinder to rotate, finally, a wire rod part is driven to displace through the inner screw cylinder, the wire rod part displaces to drive the scraping plate to move, so that the scraping plate contacts with the outer wall of the feeding part, and finally, the scraping plate is driven to clean the inner wall of the feeding part in the process of driving the feeding screw by a transmission rod; and then prevent to scrape and send the long-time and pay-off portion inner wall rotation contact of plate, cause scraping and send the damage of plate.

Description

Flash dryer

Technical Field

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

Background

The flash dryer is also called a flash dryer, is novel continuous drying equipment integrating drying, crushing and screening, and is particularly suitable for drying filter cake-shaped, pasty and slurry-shaped materials; the drying time of the wet material in the drying tower is only 5-8 seconds, and the moisture is evaporated instantly, so that the quality of the dried product has a great relationship with the drying temperature, the air speed, the air quantity and the crushing speed; the hot air enters the annular space at the bottom of the drying chamber from the inlet pipe in a tangential direction and rises spirally.

After the feed liquid is conveyed to a filter press through a diaphragm pump to be filtered to remove filtrate, a filter cake is required to be dried by a flash dryer, and the filter cake is dried by the flash dryer and then is mixed and packaged;

in the flash evaporation drying process, when the filter cake is fed, the wet filter cake is fed into a dryer for processing through a feeding auger in a feeding pipeline, and certain problems exist in the feeding process, such as that the filter cake powder enters the feeding pipeline, is wet and is easy to adhere to the inner wall of the pipeline, and the long-term drying of the material adhered to the inner wall of the pipeline is delayed, so that the subsequent cleaning cannot be facilitated;

further, when the inner wall of the pipeline is cleaned by the wall cleaning equipment, the wall cleaning equipment is usually fixedly arranged on the transmission shaft and rotates along with the feeding dragon, in the process, the scraping plate part rotates along with the wall cleaning equipment for a long time, so that the abrasion of the scraping plate part is caused, the service life of the scraping plate part is greatly reduced, the labor intensity of workers is greatly increased, the subsequent feeding efficiency is reduced, certain defects exist, and the practicability of the flash dryer is reduced.

Disclosure of Invention

The utility model aims to provide a flash dryer, which can avoid the problems that wet filter cakes are fed into the dryer for processing through a feeding auger in a feeding pipeline in the flash drying process, and in the feeding process, if filter cake powder enters into the feeding pipeline, the filter cake powder is wet and is easy to adhere to the inner wall of the pipeline, so that the material adhered to the inner wall of the pipeline is dry and lagged for a long time, the subsequent cleaning cannot be facilitated, and in the cleaning process of the inner wall of the pipeline by using wall cleaning equipment, the filter cake powder is usually fixedly arranged on a transmission shaft and rotates along with the feeding auger, in the process, a scraper part is enabled to rotate along with the long time, and the service life of the scraper part is greatly reduced.

The utility model provides a flash dryer which comprises a flash drying part, a feeding dragon for feeding wet filter cakes and a scraping plate for cleaning the inner wall of a pipeline, wherein the bottom of one end of the flash drying part is communicated with the feeding part for feeding, the inner surface of the feeding dragon is connected with a transmission rod which is in transmission connection with the feeding dragon, the left side of the feeding part is provided with a connecting plate which is in transmission fit with the transmission rod, and one end of the inner cavity of the transmission rod is provided with an inner adjusting rod for adjusting the scraping plate.

In a specific embodiment, one end of the feeding portion is connected with a mounting seat for supporting the driving member in an auxiliary manner, a connecting seat is arranged on the left side of the mounting seat, and sliding rod pieces are arranged at the front end and the rear end of the surface of the connecting seat in a penetrating manner.

In a specific embodiment, a driving part for driving the connecting disc is arranged on the left side of the connecting disc, and a transmission plate is connected to the right end of the connecting disc.

In a specific embodiment, the middle part of the surface of the connecting disc piece is connected with a connecting shaft piece, and the right side of the connecting shaft piece is connected with a plug rod piece which is in auxiliary transmission with the inner adjusting rod.

In a specific embodiment, one end of the transmission rod, which is close to the connecting disc piece, is connected with a rotary disc, and the upper end and the lower end of the left side of the transmission rod are both communicated with a connecting tube piece.

In a specific embodiment, the left side of the inner adjusting rod penetrates to the left side of the feeding part and is connected with an auxiliary transmission disc, and an outer ring on the surface of the auxiliary transmission disc penetrates through to form a connecting hole.

In a specific embodiment, an inner cavity of the connecting cylinder part is provided with an inner screw cylinder, and the inner surface of the inner screw cylinder is in threaded connection with a screw rod part.

In a specific embodiment, the surface of the pin member is rounded.

In a specific embodiment, the number of auxiliary trays is a number.

In a specific embodiment, a pushing piece is arranged on the left side of the feeding part and is fastened and connected with the surface of the mounting seat through bolts.

The beneficial effects of this application are: the feeding hopper can add wet material filter cakes into the feeding part, materials are conveyed into the flash drying part through the feeding screw for drying treatment, when the scraping and conveying plate is used for cleaning the inner wall of the feeding part, a user controls the pushing part to work to drive the driving part to move forward, and when the driving part is moved forward, the driving part is decelerated and rotated to enable the extrusion displacement of the inserting rod part to enter the auxiliary conveying disc to be connected with the inner adjusting rod, the inner adjusting rod rotates to drive the inner screw cylinder to rotate, finally, the screw rod part is driven to displace through the inner screw cylinder, the screw rod part displaces to drive the scraping and conveying plate to move, so that the scraping and conveying plate is contacted with the outer wall of the feeding part, and finally, the scraping and conveying plate is driven to clean the inner wall of the feeding part in the process of driving rod driving the feeding screw for feeding; and then prevent to scrape and send the long-time and pay-off portion inner wall rotation contact of plate, cause scraping and send the damage of plate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic left-hand cross-sectional view of a feeding portion according to an embodiment of the present utility model

FIG. 3 is a schematic perspective view showing a partial structure of a feeding portion according to an embodiment of the present utility model;

FIG. 4 is a schematic perspective sectional view of a part of a transmission rod according to an embodiment of the present utility model;

fig. 5 is a schematic perspective view of a driving part according to an embodiment of the present utility model;

fig. 6 is a schematic perspective view of a pushing member according to an embodiment of the present utility model;

FIG. 7 is an enlarged schematic view of the structure A of FIG. 5 according to an embodiment of the present utility model.

Icon:

10. flash steaming and drying part;

20. a feeding part; 201. a mounting base; 21. a feed hopper; 22. a connecting seat; 221. a slide bar member;

30. a driving section; 31. a connecting disc member; 311. a transfer plate member; 32. a coupling; 321. a rod inserting piece;

40. a transmission rod; 401. a turntable; 41. a connecting barrel part; 42. an inner adjusting rod; 421. an auxiliary transmission disc; 422. a connecting hole; 43. feeding dragon; 44. an inner screw cylinder; 441. a wire rod member; 442. a tooth transmission member; 45. scraping and conveying the plate;

50. and pushing the piece.

Detailed Description

Because in its flash distillation stoving flow, when carrying out the pay-off to the filter cake, can send into the desiccator with wet material filter cake through the pay-off auger in the feeding pipeline and carry out processing, in its pay-off in-process, can have certain problem, like filter cake powder gets into in the feeding pipeline, because it is wet material, and easy attached at the pipeline inner wall, and long-time in the past make the attached material of pipeline inner wall dry hysteresis, the follow-up clearance of being unable, and utilize the scraper blade piece to scrape the in-process of clearing to the pipeline inner wall, easily cause the scraper blade piece wearing and tearing, greatly increased staff's intensity of labour, and reduced the efficiency of follow-up pay-off, there is certain drawback, the practicality of flash distillation desiccator has been reduced. Therefore, the inventor provides a flash dryer through research, can avoid its flash drying process, when carrying out the pay-off to the filter cake, can send into the desiccator through the pay-off auger in the pay-off pipeline with wet material filter cake to carry out processing, in its pay-off process, can have certain problem, like filter cake powder gets into in the pay-off pipeline, because it is wet material, and easy to be attached to the pipeline inner wall, and long-time the material that makes pipeline inner wall attached is dry hysteresis, can not convenient for follow-up clearance, and when utilizing clear wall equipment to clear up its pipeline inner wall, it is usually fixed mounting on the transmission shaft spare and rotates along with the pay-off auger, in this process for the scraper spare rotates along with it for a long time, causes the scraper spare wearing and tearing, greatly reduced scraper spare life-span problem, thereby solve above-mentioned defect.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 to 7, an embodiment of the present utility model provides a flash dryer, including a flash drying portion 10, a feeding dragon 43 for feeding wet filter cakes and a scraping plate 45 for cleaning an inner wall of a pipeline, wherein a feeding portion 20 for feeding is communicated with a bottom of one end of the flash drying portion 10, a transmission rod 40 is connected to an inner surface of the feeding dragon 43 and is in transmission connection with the feeding dragon 43, a connecting disc 31 which is in transmission fit with the transmission rod 40 is arranged on a left side of the feeding portion 20, an inner adjusting rod 42 for adjusting the scraping plate 45 is arranged at one end of an inner cavity of the transmission rod 40, and the scraping plate 45 is used for preventing the scraping plate 45 from being worn away with the inner wall of the feeding portion 20 for a long time;

the flash evaporation drying part 10 consists of a blower, a heater, an air distributor, a stirrer, a spiral feeder, a dryer, a classifier, a cyclone separator, a star discharger, a bag dust remover, a draught fan and other parts, and is used for drying a wet filter cake after suction filtration;

the feeding auger 43 is disposed in the inner cavity of the feeding portion 20, and the scraping plate 45 is disposed in the inner cavity of the feeding portion 20 and disposed at two ends of the feeding portion 20 with the feeding auger 43 as a central axis.

Referring to fig. 2 to 4 and 6, an installation seat 201 is connected to one end of the feeding portion 20 for supporting the driving member in an auxiliary manner, a connection seat 22 is disposed on the left side of the installation seat 201, and two sliding rod pieces 221 are disposed on front and rear ends of the surface of the connection seat 22 in a penetrating manner;

the top of the feeding part 20 is communicated with a feeding hopper 21 for auxiliary feeding, and the outer ring at the left side of the mounting seat 201 is connected with a protective cylinder for protecting parts such as a connecting disc 31;

one end of the sliding rod piece 221 is connected with the surface of the mounting seat 201, and the other end of the sliding rod piece 221 is connected with a limiting plate for preventing the connecting seat 22 from being separated from the surface of the sliding rod piece 221.

Referring to fig. 5, a driving part 30 for driving the disk 31 is disposed at the left side of the disk 31, and a transmission plate 311 is connected to the right end of the disk 31; one end of the driving part 30 is connected with the surface of the connecting seat 22 through bolt fastening, and the output end of the driving part 30 penetrates through the connecting seat 22 and is connected with the surface of the connecting disc piece 31;

the middle part of the surface of the connecting disc 31 is connected with a connecting shaft 32, and the right side of the connecting shaft 32 is connected with an inserting rod piece 321 which is in auxiliary transmission with an internal adjusting rod 42.

Referring to fig. 2 to 4 and fig. 6 to 7, one end of a transmission rod 40, which is close to a connecting disc 31, is connected with a rotary disc 401, and both the upper and lower ends of the left side of the transmission rod 40 are communicated with a connecting tube 41; the surface of the transmission rod 40 is movably connected with the connection part of the mounting seat 201 and the feeding part 20 through a bearing, and the surface of the transmission plate 311 penetrates through the turntable 401 and is in sliding contact with the connection part;

the left side of the inner adjusting rod 42 penetrates to the left side of the feeding part 20 and is connected with an auxiliary transmission disc 421, and the outer ring of the surface of the auxiliary transmission disc 421 is provided with a connecting hole 422 in a penetrating way and is movably spliced with the inserting rod piece 321;

an inner cavity of the connecting cylinder 41 is provided with an inner screw cylinder 44, and the inner surface of the inner screw cylinder 44 is in threaded connection with a screw rod 441;

one end of the screw rod 441 penetrates through the outer ring of the connecting tube 41 and is connected with the surface of the scraping plate 45, so as to adjust the position of the scraping plate 45;

the inner cavity of the inner screw cylinder 44 is movably provided with a mounting disc through a bearing, and the outer side of the mounting disc is connected with the inner surface of the connecting cylinder part 41;

one end of the surface of the inner screw cylinder 44 and the surface of the inner adjusting rod 42 are sleeved with tooth transmission members 442, and a plurality of tooth transmission members 442 are meshed with each other;

the right side of the inner adjusting rod 42 is movably connected with the connecting part of the inner surface of the transmission rod 40 through a bearing, and the connecting part of the screw rod member 441 and the connecting cylinder member 41 is in sealed sliding contact;

the surface of the plug rod 321 is subjected to chamfering treatment; facilitating the movement of the inner adjusting rod 42 into the auxiliary transmission disc 421 on the connecting hole 422; the auxiliary transmission discs 421 are in a plurality and are movably inserted with the inserted rod piece 321;

the left side of the feeding part 20 is provided with a pushing piece 50 which is fastened and connected with the surface of the mounting seat 201 through bolts; and the output end of the pushing member 50 is fastened to the surface of the connection base 22 by a bolt, so as to adjust the position of the connection base 22.

In summary, the working principle of the flash dryer of the embodiment of the utility model is as follows: the wet material filter cake can be added into the feeding part 20 through the feeding hopper 21, the material is conveyed into the flash drying part 10 through the feeding auger 43 for drying treatment, in the process, when the scraping and conveying plate 45 is required to clean the inner wall of the feeding part 20, a user controls the pushing part 50 to work to drive the driving part 30 to move forward, when the driving part 30 moves forward, the driving part 30 decelerates and rotates to enable the inserting rod 321 to squeeze and displace into the auxiliary conveying disc 421 to be connected with the inner adjusting rod 42, the inner adjusting rod 42 rotates to drive the inner screw cylinder 44 to rotate, finally, the inner screw cylinder 44 drives the wire rod 441 to displace, and the wire rod 441 displaces to drive the scraping and conveying plate 45 to move, so that the scraping and conveying plate 45 contacts with the outer wall of the feeding part 20, and finally, in the process that the driving rod 40 drives the feeding auger 43 to feed, the scraping and conveying plate 45 is driven to clean the inner wall of the feeding part 20; and then prevent the scraping plate 45 from contacting the inner wall of the feeding portion 20 for a long time, and damage the scraping plate 45.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a flash dryer, includes flash distillation stoving portion (10) to and be used for the pay-off flood dragon (43) of wet material filter cake pay-off and be used for carrying out scraping send plate (45) of clearance to the pipeline inner wall, a serial communication port, the bottom intercommunication of flash distillation stoving portion (10) one end has pay-off portion (20) that are used for the pay-off, the internal surface of pay-off flood dragon (43) is connected with transfer line (40), is connected with pay-off flood dragon (43) transmission, the left side of pay-off portion (20) is provided with and links plate (31) with transfer line (40) cooperation transmission, the one end of transfer line (40) inner chamber is provided with and scrapes interior transfer line (42) that send plate (45) to adjust.

2. The flash dryer according to claim 1, wherein one end of the feeding portion (20) is connected with a mounting seat (201) for supporting the driving member in an auxiliary manner, a connecting seat (22) is arranged on the left side of the mounting seat (201), and sliding rod pieces (221) are arranged at front and rear ends of the surface of the connecting seat (22) in a penetrating manner.

3. The flash dryer according to claim 1, characterized in that a driving part (30) for driving the connecting disc (31) is arranged on the left side of the connecting disc (31), and a transmission plate (311) is connected to the right end of the connecting disc (31).

4. The flash dryer according to claim 1, wherein the middle part of the surface of the connecting disc (31) is connected with a connecting shaft (32), and the right side of the connecting shaft (32) is connected with a plug rod (321) for auxiliary transmission with an internal adjusting rod (42).

5. The flash dryer according to claim 1, wherein one end of the transmission rod (40) close to the connecting disc (31) is connected with a rotary disc (401), and the upper end and the lower end of the left side of the transmission rod (40) are both communicated with a connecting tube (41).

6. The flash dryer according to claim 1, wherein the left side of the inner adjusting rod (42) penetrates to the left side of the feeding part (20) and is connected with an auxiliary conveying disc (421), and an outer ring on the surface of the auxiliary conveying disc (421) is provided with a connecting hole (422) in a penetrating manner.

7. The flash dryer according to claim 5, wherein the inner cavity of the connecting tube (41) is provided with an inner screw tube (44), and the inner surface of the inner screw tube (44) is connected with a screw rod (441) in a threaded manner.

8. The flash dryer according to claim 4, wherein the surface of the insert member (321) is rounded.

9. The flash dryer according to claim 6, wherein the number of auxiliary transfer trays (421) is several.

10. The flash dryer according to claim 1, wherein a pushing member (50) is provided on the left side of the feeding portion (20) and is fastened to the surface of the mounting base (201) by bolts.