CN113402147A - Split type disc sludge drying machine - Google Patents
Split type disc sludge drying machine Download PDFInfo
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- CN113402147A CN113402147A CN202110800281.9A CN202110800281A CN113402147A CN 113402147 A CN113402147 A CN 113402147A CN 202110800281 A CN202110800281 A CN 202110800281A CN 113402147 A CN113402147 A CN 113402147A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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Abstract
A split type disc sludge dryer comprises a split type shell, a split type hollow shaft system, a driving device system and a discharging device, wherein the split type shell is fixedly installed with a foundation; the split type hollow shaft system is arranged in the split type shell; the driving device system is arranged at the driving side of the split type shell and is connected with the hollow main shaft of the split type hollow shaft system to drive the hollow main shaft to rotate; the other side of the split type shell is a steam inlet side, and the discharging device is arranged on the split type shell close to the steam inlet side; the split hollow shaft system comprises a hollow main shaft, a plurality of detachable discs, a siphon elbow and a rotary joint; the hollow main shaft is internally of a cavity structure, and guide pipes for steam and condensed water to enter and exit the cavity of the disc are distributed on the hollow main shaft; the discs are detachably arranged on the hollow main shaft at equal intervals, and the cavities of the discs are communicated with the hollow main shaft; the siphon elbow is arranged on the steam inlet side; the siphon elbow is connected with the rotary joint, and the other end of the rotary joint extends into the hollow main shaft.
Description
Technical Field
The invention belongs to the technical field of sludge treatment environment-friendly equipment, and particularly relates to a split type disc sludge dryer.
Background
Along with the continuous and rapid development of economy in China and the continuous increase of urban processes and industrial processes, people generate more and more sludge types in life and production activities, and the amount of the produced sludge is larger and larger. The produced main sludge comprises domestic sewage sludge, industrial sewage sludge, water supply sludge, river dredging sludge, water supply and drainage pipe network sludge and the like, wherein the domestic and industrial sewage sludge belonging to the country with the largest yield, the highest pollution degree, the largest harm and the most difficult disposal is the sludge with the largest pollution degree. The national attention on environmental protection is also higher and higher, and the environmental protection policy is getting stricter. The main disposal methods of the sludge include sanitary landfill, land utilization, incineration and sludge composting. While sanitary landfill causes explosion and combustion, and incineration generates carcinogenic substances, so that sludge concentration and sludge drying treatment are widely used.
The sludge drying equipment in the prior art is provided with a hollow paddle type sludge dryer and a disc type sludge dryer, and the heat medium of the sludge drying equipment and the disc type sludge dryer can adopt boiler steam. The hollow paddle type sludge dryer adopts a double-shaft screw system, compared with a disc type sludge dryer, the hollow paddle type sludge dryer has the same sludge treatment capacity, large floor area, complex structure, low drying efficiency, easy wall adhesion and relatively troublesome operation and maintenance. In the disc type sludge drying machine in the current market, because the disc and the hollow shaft are welded into a whole, when the disc is worn and steam leaks, the repair and maintenance are time-consuming and labor-consuming, and when one or more discs are damaged, the whole hollow shaft system is scrapped, so that the material waste is caused and the equipment cost of a sludge treatment factory is increased; when the integrated hollow shaft system is installed and maintained, due to the weight of more than ten tons, the whole shaft is very troublesome to disassemble and install, and the requirements on a factory building and maintenance auxiliary facilities are very high.
Disclosure of Invention
In order to solve the problems, the invention provides the detachable split type disc sludge dryer which is strong in interchangeability, capable of saving maintenance cost, improving use efficiency and controllable in discharge flow.
The technical scheme adopted by the invention is as follows:
a split type disc sludge dryer comprises a split type shell, a split type hollow shaft system, a driving device system, a heating and heat-preserving system and a discharging device, wherein the split type shell is fixedly installed with a foundation; the split hollow shaft system and the heating and heat-insulating system are arranged in the split shell; the driving device system is arranged on the driving side of the split type shell and is connected with the hollow main shaft of the split type hollow shaft system to drive the hollow main shaft to rotate; the other side of the split type shell is a steam inlet side, and the discharging device is arranged on the split type shell close to the steam inlet side; the method is characterized in that: the split hollow shaft system comprises a hollow main shaft, a plurality of detachable discs, a siphon elbow and a rotary joint; the hollow main shaft is internally provided with a cavity structure and rotatably and transversely penetrates through the split type shell, and guide pipes for steam and condensed water to enter and exit the cavity of the disc are distributed on the hollow main shaft; the discs are detachably arranged on the hollow main shaft at equal intervals, and the cavities of the discs are communicated with the hollow main shaft; the siphon elbow is arranged on the steam inlet side and is used for steam inlet and condensate water discharge; the siphon elbow is connected with the rotary joint, and the other end of the rotary joint extends into the hollow main shaft.
Further, the disc includes middle disc and side disc, middle disc is installed in the middle of the hollow main shaft, the side disc is installed from hollow main shaft both ends toward the centre in proper order, can dismantle the connection through connecting screw between disc and the hollow main shaft.
Further, the disc includes 2 discs, the outer end welded connection of two discs, and through round pin axle welded connection reinforcement between the medial surface of two discs, the inner of two discs all is connected with the core and forms the disc cavity, be equipped with the water guide hole with the pipe intercommunication on the core, the inside of disc cavity is equipped with the water guide board that guides the comdenstion water and get into the water guide hole, and steam gets into hollow spindle after, gets into the disc chamber through the pipe, carries out the heat exchange in the disc, generates the comdenstion water, and the comdenstion water is under the effect of water guide board, again through water guide hole and pipe discharge hollow spindle, finally discharges through the siphon elbow, the equipartition in disc top is provided with a plurality of feather piece.
Further, the inner ring of the disc core is provided with first key grooves which are symmetrically arranged at 180 degrees, second key grooves are arranged on the hollow main shaft corresponding to the first key grooves, the first key grooves and the second key grooves are circumferentially fixed through flat keys, the hollow main shaft is ensured to drive the disc to rotate, and the conduit and the water guide hole are ensured to be communicated to form a channel.
Further, a sealing groove is formed in the disc core of each disc, a sealing ring for sealing is arranged between the sealing grooves of the adjacent discs, and a sealing space is formed by disc extrusion.
Furthermore, the two discs on the outermost side are provided with end retainer rings on the outer sides, and the end retainer rings are provided with mud scraping rod seats for installing discharging mud scraping rods.
Further, the split type shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are detachably connected through bolts; the upper shell is provided with a feed inlet, a dust removal air port, an air supplementing port and an access hole, a scraper base is arranged inside the upper shell, and a scraper for scraping sludge is mounted on the scraper base; the lower shell comprises a plurality of installation bases, two sides of the installation bases are respectively provided with a shaft end box body, an end cover and a shaft end bearing installation seat, the shaft end bearing installation seat is connected with a bearing with a seat, and the two ends of the hollow main shaft are respectively connected with the corresponding bearing with the seat after being penetrated out from the corresponding end covers.
Furthermore, the shaft end box body and the end cover form a sealing groove for mounting a packing sealing ring.
Further, the discharging device comprises a discharging door, a movable door plate, a rotating shaft, a connecting rod, an electric push rod and a maintenance hole cover which are welded on the lower shell; the movable door plate is connected with the rotating shaft through a pin shaft; the rotating shaft is fixed on the discharging door through a bearing seat, and the connecting rod is connected with the rotating shaft and the electric push rod respectively.
Further, the driving device system comprises a base, wherein a motor and a speed reducer are mounted on the base, the motor is connected with a small chain wheel through the speed reducer, the small chain wheel is rotationally connected with a large chain wheel through a roller chain, and the large chain wheel is in linkage connection with a hollow main shaft driven by the large chain wheel; and the small chain wheel, the roller chain and the large chain wheel are provided with protective covers.
The invention has the advantages that:
1. set up hollow shaft system and casing and all can dismantle, reduce the occupation of land space of equipment, be convenient for transportation, installation and maintenance, to a great extent reduces the cost of transportation and the cost of labor of equipment, practices thrift maintenance duration, improves the availability factor.
2. The split hollow shaft system is arranged, each disc can be detached, the disc is convenient to maintain after being abraded, and the whole hollow shaft is prevented from being scrapped.
3. The detachable discs are arranged and can be installed from two sides of the hollow shaft at the same time, and assembly and disassembly are facilitated.
4. The split type shell is arranged, the upper shell and the lower shell can be split, the integral hoisting of the split type hollow shaft system is facilitated, and the time and labor are saved in installation and disassembly.
5. The split type shell is structurally designed, the production process is easy to control, the processing is convenient, the manufacturing cost is saved, and the overall structural strength of the shell is stronger.
6. The discharging device driven by the electric push rod is arranged, the opening and closing of the discharging door are controlled, the size of the outlet can be freely adjusted, and the discharging flow is controlled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the drive system of the present invention;
FIG. 3 is a schematic structural view of the split hollow shaft system of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 in the direction B;
FIG. 5 is a schematic structural view of a disk of the present invention;
FIG. 6 is a schematic longitudinal sectional view of a disk of the present invention;
fig. 7 is a partial structural schematic view of the split hollow shaft system of the present invention.
FIG. 8 is a schematic view of the structure of FIG. 7 in the direction D;
fig. 9 is a schematic structural view of the hollow main shaft of the present invention.
FIG. 10 is a schematic structural view of the split housing of the present invention;
FIG. 11 is a schematic view of the upper and lower housings of the present invention after being separated;
FIG. 12 is a schematic view of the structure in the direction A of FIG. 11;
FIG. 13 is a schematic view of the discharge apparatus of the present invention;
fig. 14 is a schematic view of the structure in the direction C in fig. 13.
In the figure: 1. 1-1 part of split type shell, 1-1 part of upper shell, 1-1-1 part of feed inlet, 1-1-2 parts of dust removal air port, 1-1-3 parts of air supplement port, 1-1-4 parts of access hole, 1-1-5 parts of scraper base, 1-1-6 parts of scraper, 1-2 parts of lower shell, 1-2-1 parts of installation base, 1-2-3 parts of shaft end box body, 1-2-4 parts of end cover, 1-2-5 parts of shaft end bearing installation base, 1-2-6 parts of packing seal ring, 1-3 parts of connecting bolt, 2 parts of split type hollow shaft system, 2-1 part of hollow main shaft, 2-1-1 part of guide pipe, 2-2 parts of disc, 2-2A parts of disc and middle disc, 2-2B, a side disc, 2-2-1, a sealing groove, 2-2-2, a bolt hole, 2-2-3, a disc, 2-2-4, a disc core, 2-2-5, a water guide plate, 2-2-6, a pin shaft, 2-2-7 water guide holes, 2-2-8, a feather root piece, 2-2-9(a), a first key groove, 2-2-9(B), a second key groove, 2-3, a sealing ring, 2-4, an end retainer ring, 2-4-1, a mud scraping rod seat, 2-4-2, a mud scraping rod, 2-5, a siphon elbow, 2-6, a rotary joint and 2-7 of a bearing with a seat; 2-8 parts of O-shaped sealing ring, 2-9 parts of flat key, 3 parts of driving device system, 3-1 parts of motor, 3-2 parts of speed reducer, 3-3 parts of chain wheel, 3-4 parts of roller chain, 3-5 parts of protective cover, 3-6 parts of base, 4 parts of driving side, 5 parts of steam inlet side, 6 parts of heating and heat preservation system, 7 parts of discharging device, 7-1 parts of discharging door, 7-2 parts of movable door plate, 7-3 parts of rotating shaft, 7-4 parts of connecting rod, 7-5 parts of electric push rod, 7-6 parts of maintenance hole cover, 7-7 parts of hinged pin shaft.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to limit the invention to these embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 14, the present embodiment provides a split-type disc sludge dryer, which includes a split-type housing 1, a split-type hollow shaft system 2, a driving device system 3, a heating and heat-preserving system 6, a discharging device 7, and the like. Wherein, the split type shell 1 is fixedly installed with a foundation; the split hollow shaft system 2 and the heating and heat-insulating system 6 are arranged in the split shell 1; the driving device system 3 is arranged on the driving side 4 of the split type shell 1 and is connected with the hollow main shaft of the split type hollow shaft system 2 to drive the hollow main shaft to rotate; the other side of the split type shell is a steam inlet side 5, and the discharging device 7 is installed on the split type shell 1 close to the steam inlet side.
The split type hollow shaft system 2 comprises a hollow main shaft 2-1, a plurality of detachable discs 2-2, a sealing ring 2-3, an end retainer ring 2-4, a siphon elbow 2-5 and a rotary joint 2-6; wherein, the hollow main shaft 2-1 is internally provided with a cavity structure, and a guide pipe 2-1-1 is distributed on the hollow main shaft and is used for steam and condensed water to enter and exit the cavity of the disc 2-2; the disc 2-2 is provided with a sealing groove 2-2-1 and a bolt hole 2-2-2 and used for mounting a sealing ring 2-8 and a connecting screw; the disc 2-2 is divided into a middle disc 2-2A and a side disc 2-2B which are arranged on the hollow main shaft 2-1, the middle disc 2-2A is arranged in the middle of the hollow main shaft 2-1, the side discs 2-2B are sequentially arranged from two ends of the hollow main shaft 2-1 to the middle, and the disc 2-2 and the hollow main shaft 2-1 are detachably connected through a connecting screw; the siphon elbow 2-5 is arranged at the end of the steam side shaft and is used for steam inlet and condensate water discharge; the siphon elbow 2-5 is connected with the rotary joint 2-6, and the other end of the siphon elbow extends into the hollow main shaft 2-1.
In this embodiment, the disk 2-2 is formed by welding 2 disks 2-2-3, a core 2-2-4, a water guide plate 2-2-5 and a pin shaft 2-2-6, the outer ends of the two disks 2-2-3 are welded, the inner sides of the two disks 2-2-3 are welded and reinforced by the pin shaft 2-2-6, the inner ends of the two disks 2-2-3 are connected with the core 2-2-4 to form a disk cavity, 4 water guide holes 2-2-7 communicated with a guide pipe are uniformly drilled in the core 2-2-4, the water guide plate 2-2-5 for guiding condensed water to enter the water guide holes is arranged in the disk cavity, first key slots 2-2-9(a) symmetrical at 180 degrees are arranged in the inner ring of the core 2-2-4, 4 feather root pieces 2-2-8 are arranged at the top of the disc 2-2-3.
In the embodiment, the hollow spindle 2-1 is also provided with symmetrical second key grooves 2-2-9(b), after the disc 2-2 is installed, the disc 2-2 is fixed in the circumferential direction through the flat key 2-9, so that the hollow spindle 2-1 drives the disc 2-2 to rotate, the conduit 2-1-1 and the water guide hole 2-2-7 are communicated to form a channel, and the channel is sealed by the O-shaped ring 2-8 to keep a sealed space.
After steam enters the hollow main shaft 2-1, the steam enters the cavity of the disc 2-2 through the guide pipe 2-1-1, heat exchange is carried out in the disc 2-2 to generate condensed water, and the condensed water is discharged into the hollow main shaft 2-1 through the water guide hole 2-2-7 and the guide pipe 2-1-1 under the action of the water guide plate 2-2-5 and finally discharged through the siphon elbow 2-5.
End part check rings 2-4 are arranged on the outer sides of two discs 2-2 on the outermost side of the embodiment, and mud scraping rod seats 2-4-1 are arranged on the end part check rings 2-4 and used for installing discharging mud scraping rods 2-4-2.
The split type shell 1 is divided into an upper shell 1-1 and a lower shell 1-2, and the upper shell 1-1 and the lower shell 1-2 are detachably connected through connecting bolts 1-3; the upper shell 1-1 is provided with a feed inlet 1-1-1, a dust removal air port 1-1-2, an air supplementing port 1-1-3 and an access hole 1-1-4, a scraper base 1-1-5 is arranged inside the upper shell, and a scraper 1-1-6 for scraping sludge is arranged on the scraper base 1-1-5; the lower shell 1-2 is provided with a mounting base 1-2-1, a shaft end box body 1-2-3, an end cover 1-2-4 and a shaft end bearing mounting seat 1-2-5. The shaft end bearing mounting seat 1-2-5 is connected with a bearing with a seat 2-7, and two ends of the hollow main shaft 2-1 penetrate out of the corresponding end covers 1-2-4 respectively and then are connected with the corresponding bearings with the seat 2-7. And the shaft end box body 1-2-3 and the end cover 1-2-4 form a sealing groove for mounting the packing sealing ring 1-2-6.
The discharging device 7 comprises a discharging door 7-1 welded on the lower shell 1-2, a movable door plate 7-2, a rotating shaft 7-3, a connecting rod 7-4, an electric push rod 7-5 and a maintenance hole cover 7-6; the movable door plate 7-2 is connected with the rotating shaft 7-3 through a hinge pin 7-7; the rotating shaft 7-3 is fixed on the discharging door 7-1 through a bearing seat 7-8, and the connecting rod 7-4 is respectively connected with the rotating shaft 7-3 and the electric push rod 7-5. The electric push rod 7-5 is connected with the connecting rod 7-4 through the hinge pin 7-7, the connecting rod 7-4 is connected with the rotating shaft 7-3, and the two rotating shafts 7-3 and the movable door plate 7-2 form a parallelogram structure to complete opening and closing of the discharge hole. The electric push rod 7-5 is provided with a limit switch, the permanent magnet motor drives the push rod to stretch and retract so as to complete the pushing and pulling actions of the push rod, and the size of the discharge hole is controlled by controlling the pushing and pulling stroke.
The driving device system 3 of the embodiment comprises a motor 3-1, a speed reducer 3-2, a chain wheel 3-3, a roller chain 3-4, a protective cover 3-5, a base 3-6 and the like, wherein the base 3-6 is provided with the motor 3-1 and the speed reducer 3-2, the motor 3-1 is connected with a small chain wheel through the speed reducer 3-2, the small chain wheel is rotationally connected with a large chain wheel through the roller chain 3-4, and the large chain wheel is in linkage connection with a hollow main shaft 2-1 driven by the large chain wheel; and the small chain wheel, the roller chain and the large chain wheel are provided with protective covers 3-5.
The hollow shaft system and the shell can be detached, so that the occupied space of equipment is reduced, the transportation, the installation and the maintenance are convenient, the transportation cost and the labor cost of the equipment are reduced to a great extent, the maintenance time is saved, and the use efficiency is improved. The split hollow shaft system is arranged, each disc can be detached, the disc is convenient to maintain after being abraded, and the whole hollow shaft is prevented from being scrapped. The detachable discs are arranged and can be installed from two sides of the hollow shaft at the same time, and assembly and disassembly are facilitated. The split type shell is arranged, the upper shell and the lower shell can be split, the integral hoisting of the split type hollow shaft system is facilitated, and the time and labor are saved in installation and disassembly. The split type shell is structurally designed, the production process is easy to control, the processing is convenient, the manufacturing cost is saved, and the overall structural strength of the shell is stronger. The discharging device driven by the electric push rod is arranged, the opening and closing of the discharging door are controlled, the size of the outlet can be freely adjusted, and the discharging flow is controlled.
Claims (10)
1. A split type disc sludge dryer comprises a split type shell, a split type hollow shaft system, a driving device system, a heating and heat-preserving system and a discharging device, wherein the split type shell is fixedly installed with a foundation; the split hollow shaft system and the heating and heat-insulating system are arranged in the split shell; the driving device system is arranged on the driving side of the split type shell and is connected with the hollow main shaft of the split type hollow shaft system to drive the hollow main shaft to rotate; the other side of the split type shell is a steam inlet side, and the discharging device is arranged on the split type shell close to the steam inlet side; the method is characterized in that: the split hollow shaft system comprises a hollow main shaft, a plurality of detachable discs, a siphon elbow and a rotary joint; the hollow main shaft is internally provided with a cavity structure and rotatably and transversely penetrates through the split type shell, and guide pipes for steam and condensed water to enter and exit the cavity of the disc are distributed on the hollow main shaft; the discs are detachably arranged on the hollow main shaft at equal intervals, and the cavities of the discs are communicated with the hollow main shaft; the siphon elbow is arranged on the steam inlet side and is used for steam inlet and condensate water discharge; the siphon elbow is connected with the rotary joint, and the other end of the rotary joint extends into the hollow main shaft.
2. The split disc sludge dryer of claim 1, wherein: the disc includes middle disc and side disc, middle disc is installed in the middle of the hollow main shaft, the side disc is installed from hollow main shaft both ends toward the centre in proper order, can dismantle through connecting screw between disc and the hollow main shaft and be connected.
3. The split disc sludge dryer of claim 1, wherein: the disc comprises 2 discs, the outer ends of the two discs are connected in a welded mode, the inner side faces of the two discs are connected and reinforced in a welded mode through pin shafts, the inner ends of the two discs are connected with the disc core to form a disc cavity, a water guide hole communicated with the guide pipe is formed in the disc core, a water guide plate for guiding condensed water to enter the water guide hole is arranged inside the disc cavity, and a plurality of feather root pieces are uniformly distributed on the top of each disc.
4. The split disc sludge dryer of claim 3, wherein: the inner ring of the disk core is provided with first key grooves which are symmetrically arranged at 180 degrees, second key grooves are arranged on the hollow main shaft corresponding to the first key grooves, and the first key grooves and the second key grooves are circumferentially fixed through flat keys.
5. The split disc sludge dryer of claim 4, wherein: the disc core of the disc is provided with a sealing groove, a sealing ring for sealing is arranged between the sealing grooves of the adjacent discs, and a sealing space is formed by disc extrusion.
6. The split disc sludge dryer of claim 1, wherein: the two discs on the outermost side are provided with end retainer rings on the outer sides, and the end retainer rings are provided with mud scraping rod seats used for installing discharging mud scraping rods.
7. The split disc sludge dryer of claim 1, wherein: the split type shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are detachably connected through bolts; the upper shell is provided with a feed inlet, a dust removal air port, an air supplementing port and an access hole, a scraper base is arranged inside the upper shell, and a scraper for scraping sludge is mounted on the scraper base; the lower shell comprises a plurality of installation bases, two sides of the installation bases are respectively provided with a shaft end box body, an end cover and a shaft end bearing installation seat, the shaft end bearing installation seat is connected with a bearing with a seat, and the two ends of the hollow main shaft are respectively connected with the corresponding bearing with the seat after being penetrated out from the corresponding end covers.
8. The split disc sludge dryer of claim 7, wherein: and the shaft end box body and the end cover form a sealing groove for mounting a packing sealing ring.
9. The split disc sludge dryer of claim 1, wherein: the discharging device comprises a discharging door, a movable door plate, a rotating shaft, a connecting rod, an electric push rod and a maintenance hole cover which are welded on the lower shell; the movable door plate is connected with the rotating shaft through a pin shaft; the rotating shaft is fixed on the discharging door through a bearing seat, and the connecting rod is connected with the rotating shaft and the electric push rod respectively.
10. The split disc sludge dryer of claim 1, wherein: the driving device system comprises a base, wherein a motor and a speed reducer are arranged on the base, the motor is connected with a small chain wheel through the speed reducer, the small chain wheel is rotationally connected with a large chain wheel through a roller chain, and the large chain wheel is in linkage connection with a hollow main shaft driven by the large chain wheel; and the small chain wheel, the roller chain and the large chain wheel are provided with protective covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110800281.9A CN113402147A (en) | 2021-07-15 | 2021-07-15 | Split type disc sludge drying machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110800281.9A CN113402147A (en) | 2021-07-15 | 2021-07-15 | Split type disc sludge drying machine |
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| CN113402147A true CN113402147A (en) | 2021-09-17 |
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| CN202110800281.9A Pending CN113402147A (en) | 2021-07-15 | 2021-07-15 | Split type disc sludge drying machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023089020A1 (en) * | 2021-11-17 | 2023-05-25 | Haarslev Industries A/S | Disc for a disc dryer |
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