Viscous sludge puffing dryerTechnical Field
The utility model relates to the technical field of dryers, in particular to a viscous sludge bulking dryer.
Background
Sludge is solid waste which is generated in the drying treatment process of high-water-content viscous sludge in petroleum, petrochemical and mining industries, secondary pollution is caused to soil if the sludge is directly buried, but the sludge is difficult to burn due to high water content, dehydration treatment is required to be carried out on the sludge, and a large amount of viscous sludge is also generated when activated sludge drying of a sewage treatment plant is matched with pyrolysis treatment of a rotary kiln and an RTO incinerator.
In the prior art, for example, the Chinese patent number is: the utility model provides a CN 212532724U's a sludge dryer, it includes dry cylinder, hot-blast main, the dry cylinder is vertical to be placed in fold spiral shell machine discharge gate below, the gas spraying chamber has been seted up to circumference on the lateral wall of dry cylinder, the gas jet has been seted up on the inboard lateral wall of dry cylinder, the gas jet communicates with each other with the gas spraying chamber, hot-blast main fixed connection is on the dry cylinder, the hot-blast main communicates with each other with the gas spraying chamber, the hot-blast main other end fixed connection is on the hot-blast main. The sludge dryer has the effect of improving sludge dewatering.
However, in the prior art, the traditional drying treatment of the viscous sludge is to cut the sludge into strips by using a strip cutter, and then the strips enter a dryer, so that the strip cutter cannot effectively cut the viscous sludge, cannot form uniform specific surface area and particles, cannot uniformly heat and dry the viscous sludge, and has the defects of high energy consumption of equipment and poor sealing performance of the equipment due to large volume in the conventional equipment, so that a large amount of peculiar smell exists around the equipment.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model solves the technical problems by adopting the following technical scheme: the utility model provides a sticky sludge bulking dryer, includes the shell, the top of shell is provided with the feeder hopper, the surface fixed connection of feeder hopper has a dryer, the surface of dryer and the internal surface fixed connection of shell, the internal surface fixed connection of shell has the discharging pipe, the internal surface of dryer and the surface fixed connection of discharging pipe, the internal surface rotation of shell is connected with the pivot, the surface fixed connection of pivot has agitating unit, and agitating unit is located the inside of dryer, the outside of dryer is provided with heating device, and heating device is located the inside of shell, fixes the shell subaerial, pours sticky sludge into the inside of dryer through the feeder hopper, starts the motor, drives the pivot through the motor and rotates.
Preferably, the stirring device comprises a sleeve, the internal surface of sleeve rotates with the surface of pivot to be connected, telescopic surface fixedly connected with screening plate, telescopic bottom is provided with the arc, the surface of arc and the surface fixed connection of pivot are spacing to the screening plate through the sleeve, and the pivot drives the arc on the stirring device and rotates, in the hole that the bottom of drying cylinder set up is discharged into mud after drying, with the discharging pipe cooperation of connection, with the outside of mud discharge shell.
Preferably, the surface of arc rotates with the surface of screening board to be connected, and the screening board is located the inside of dry section of thick bamboo, the surface of arc rotates with the internal surface of dry section of thick bamboo to be connected, the top of arc is provided with the scraper blade, the surface of scraper blade rotates with the upper surface of screening board to be connected, and the pivot drives the stirring board and rotates, stirs the separation to mud, and the pivot drives the scraper blade and rotates, screens dry separated mud through the screening board.
Preferably, the surface of scraper blade and the surface fixed connection of pivot, and the scraper blade is located the inside of dry section of thick bamboo, the top of scraper blade is provided with the stirring board, the surface of stirring board and the surface fixed connection of pivot, the top of stirring board is provided with the conical plate, the surface of conical plate and the upper surface fixed connection of pivot drive the pivot through the motor and rotate, and the pivot drives the stirring board and rotates, stirs the separation to mud.
Preferably, the outer surface fixedly connected with rack dish of pivot, the surface meshing of rack dish has the master gear, the top of rack dish is provided with from the gear, the surface of following the gear meshes with the surface of master gear, the surface sliding connection of following the gear has the guide rail, the surface of guide rail and the internal surface fixed connection of shell, the surface rotation of following the gear is connected with solid fixed ring, gu the top of fixed ring is provided with the slider, the surface sliding connection of slider and the surface of guide rail, the pivot drives rack dish rotation, and rack dish meshes with the master gear, makes the surface of master gear and the surface of following the gear contact, drives from the gear and slides at the internal surface of guide rail, drives the spout that the slider offered on the guide rail from the gear and slides, drives solid fixed ring through the slider and rotate in the guide rail, carries out spacing to the slider.
Preferably, the heating device comprises a hot air pump, the surface of the hot air pump is fixedly connected with the upper surface of the rack plate, the hot air pump is located in the shell, a hose is fixedly connected with the inner surface of the hot air pump, an air ejector tube is arranged outside the drying cylinder, an exhaust pipe is arranged in the wall of the drying cylinder, the inner surface of the hose is fixedly connected with the inner surface of the air ejector tube, an air ejector hole is formed in the wall of the air ejector tube, the bottom end of the air ejector tube is fixedly connected with the outer surface of the sliding block, hot air is generated through the hot air pump on the heating device, the hose discharges the hot air into the air ejector tube, the hot air is discharged through the air ejector hole, the hot air is discharged into the drying cylinder through an exhaust pipe formed in the outer wall of the drying cylinder, the viscous sludge is dried, the sliding block drives the air ejector tube to rotate back and forth in the shell, the hot air is filled in the drying cylinder, and the contact time of the sludge and the hot air is prolonged.
The beneficial effects of the utility model are as follows:
1. According to the utility model, the stirring device is arranged, the stirring plates are distributed in a conical shape, the purpose of stirring and separating the sludge layer by layer is achieved, the stirring field of the viscous sludge is more sufficient, the resistance of the stirring plates is reduced, the service life of equipment is prolonged, the rotating shaft drives the scraping plates to rotate, the dried and separated sludge is screened by the screening plates, the non-screened sludge is continuously stirred in the drying cylinder by the stirring plates until the dry sludge with qualified particles is successfully screened out, the non-screened sludge falls at the bottom end of the drying cylinder, the rotating shaft drives the arc plate on the stirring device to rotate, the dried sludge is discharged out of the drying cylinder, the viscous sludge is discharged out of the shell to be screened and stirred, the purpose of uniform drying is achieved, the contact area with hot air in the sludge drying process is increased, the drying cylinder is arranged in a cylindrical shape, the dried sludge particles are uniform without drying dead angles, the purpose of forming uniform specific surface area and particles on the viscous sludge is achieved.
2. According to the utility model, the heating device is arranged, the sliding block is driven to rotate on the surface of the sliding groove formed in the guide rail by the gear, the fixed ring limits the sliding block, hot air is generated by the hot air pump on the heating device, the hot air is discharged into the air spraying pipe through the hose, the hot air is discharged into the drying cylinder through the air spraying hole, the hot air is discharged into the drying cylinder through the exhaust pipe formed in the outer wall of the drying cylinder, the exhaust pipe is designed into a horn shape, the sludge is prevented from falling out of the drying cylinder during stirring, the viscous sludge is uniformly dried, the sliding block drives the air spraying pipe to rotate on the upper surface of the guide rail, the air spraying pipe is automatically rotated, the hot air is filled in the drying cylinder, the contact time of the sludge and the hot air is prolonged, the purpose of uniformly heating and drying the viscous sludge is realized, and the device has good sealing performance, no peculiar smell and no pollution.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the structure of the drying cylinder and its exterior according to the present utility model;
FIG. 4 is a schematic view of the structure of the stirring device of the present utility model;
Fig. 5 is a schematic structural view of the present utility model at a.
In the figure: 1. a housing; 2. a feed hopper; 3. a drying cylinder; 4. a discharge pipe; 5. a rotating shaft; 6. a stirring device; 7. a heating device; 8. a sleeve; 9. an arc-shaped plate; 10. a screening plate; 11. a scraper; 12. a stirring plate; 13. a conical plate; 14. a rack plate; 15. a main gear; 16. a slave gear; 17. a guide rail; 18. a fixing ring; 19. a slide block; 20. a hot air pump; 21. a hose; 22. a gas lance; 23. a wind spraying hole; 24. and an exhaust pipe.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Examples:
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a sticky sludge bulking dryer, which comprises an outer shell 1, the top of shell 1 is provided with feeder hopper 2, the surface fixedly connected with drying cylinder 3 of feeder hopper 2, the surface of drying cylinder 3 and the internal surface fixed connection of shell 1, the internal surface fixedly connected with discharging pipe 4 of shell 1, the internal surface of drying cylinder 3 and the surface fixed connection of discharging pipe 4, the internal surface rotation of shell 1 is connected with pivot 5, the surface fixedly connected with agitating unit 6 of pivot 5, and agitating unit 6 is located the inside of drying cylinder 3, the outside of drying cylinder 3 is provided with heating device 7, and heating device 7 is located the inside of shell 1, agitating unit 6 includes sleeve 8, the internal surface of sleeve 8 and the surface rotation of pivot 5 are connected, the surface fixedly connected with screening plate 10 of sleeve 8, the bottom of sleeve 8 is provided with arc 9, the surface of arc 9 and the surface fixed connection of pivot 5, the surface of arc 9 and the surface rotation of screening plate 10 are connected, and screening plate 10 is located the inside of drying cylinder 3, the surface of arc 9 and the internal surface rotation of drying cylinder 3 are connected, and heating device 7 is located the inside of shell 1, agitating unit 6 includes scraper blade 11, the surface is connected with the surface of the screening plate 10.
The outer surface of the scraping plate 11 is fixedly connected with the outer surface of the rotating shaft 5, the scraping plate 11 is positioned in the drying cylinder 3, the top of the scraping plate 11 is provided with a stirring plate 12, the outer surface of the stirring plate 12 is fixedly connected with the outer surface of the rotating shaft 5, the top of the stirring plate 12 is provided with a conical plate 13, the outer surface of the conical plate 13 is fixedly connected with the upper surface of the rotating shaft 5, the outer surface of the rotating shaft 5 is fixedly connected with a rack plate 14, the outer surface of the rack plate 14 is meshed with a main gear 15, the top of the rack plate 14 is provided with a slave gear 16, the outer surface of the slave gear 16 is meshed with the outer surface of the main gear 15, the outer surface of the slave gear 16 is in sliding connection with a guide rail 17, the outer surface of the guide rail 17 is fixedly connected with the inner surface of the shell 1, the fixed ring 18 is rotationally connected with the outer surface of the gear 16, the top of the fixed ring 18 is provided with the sliding block 19, the outer surface of the sliding block 19 is in sliding connection with the outer surface of the guide rail 17, the heating device 7 comprises a hot air pump 20, the outer surface of the hot air pump 20 is fixedly connected with the upper surface of the rack plate 14, the hot air pump 20 is positioned in the shell 1, the inner surface of the hot air pump 20 is fixedly connected with the hose 21, the air ejector tube 22 is arranged outside the drying cylinder 3, the exhaust pipe 24 is arranged in the wall of the drying cylinder 3, the inner surface of the hose 21 is fixedly connected with the inner surface of the air ejector tube 22, the air ejector hole 23 is arranged in the wall of the air ejector tube 22, and the bottom end of the air ejector tube 22 is fixedly connected with the outer surface of the sliding block 19.
Working principle:
When the device is used, the shell 1 is fixed on the ground, the viscous sludge is poured into the drying cylinder 3 through the feed hopper 2, the motor is started, the rotating shaft 5 is driven to rotate through the motor, the rotating shaft 5 drives the stirring plate 12 to rotate, the stirring plate 12 is distributed in a conical shape, the purpose of stirring and separating the sludge layer by layer is achieved, the viscous sludge is more fully stirred, the resistance of the stirring plate 12 is reduced, the service life of the device is prolonged, the rotating shaft 5 drives the scraping plate 11 to rotate, the dried and separated sludge is screened through the screening plate 10, the non-screened sludge is continuously stirred in the drying cylinder 3 by the stirring plate 12 until the qualified dry sludge is successfully screened out, the dry sludge falls into the bottom end of the drying cylinder 3, the rotating shaft 5 drives the arc-shaped plate 9 on the stirring device 6 to rotate, the dried sludge is discharged into the hole arranged at the bottom end of the drying cylinder 3 and is matched with the connected discharging pipe 4, the sludge is discharged out of the shell 1, the screening plate 10 is limited through the sleeve 8, the hot air is screened and stirred, the purpose of uniform drying is achieved, the contact area between the sludge and the drying process is increased, the cylindrical drying cylinder 3 is set to uniformly dry the sludge, and the dry sludge is prevented from splashing in the drying process through the drying cylinder 13;
The rotating shaft 5 drives the rack plate 14 to rotate, the rack plate 14 is meshed with the main gear 15, the outer surface of the main gear 15 is contacted with the outer surface of the auxiliary gear 16, the auxiliary gear 16 rotates on the inner surface of the guide rail 17, the auxiliary gear 16 drives the sliding block 19 to rotate on the surface of a sliding groove formed in the guide rail 17, the sliding block 19 is limited by the fixed ring 18, hot air is generated by the hot air pump 20 on the heating device 7, the hot air is discharged into the air spraying pipe 22 through the hose 21, the hot air is discharged through the air spraying hole 23, the hot air is discharged into the drying cylinder 3 through the exhaust pipe 24 formed in the outer wall of the drying cylinder 3, the exhaust pipe 24 is designed into a horn shape, the sludge is prevented from falling to the outside of the drying cylinder 3 during stirring, the viscous sludge is uniformly dried, the sliding block 19 drives the air spraying pipe 22 to rotate on the upper surface of the guide rail 17, the autorotation of the air spraying pipe 22 is realized, the hot air is fully filled in the drying cylinder 3, and the contact time between the sludge and the hot air is prolonged.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein are implemented by conventional means in the art unless specifically indicated and limited by the context.