CN112844869B - Centrifuge for sewage treatment - Google Patents

Centrifuge for sewage treatment Download PDF

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Publication number
CN112844869B
CN112844869B CN202011546710.6A CN202011546710A CN112844869B CN 112844869 B CN112844869 B CN 112844869B CN 202011546710 A CN202011546710 A CN 202011546710A CN 112844869 B CN112844869 B CN 112844869B
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CN
China
Prior art keywords
centrifugal
fixedly arranged
driving shaft
driving
gear
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CN202011546710.6A
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Chinese (zh)
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CN112844869A (en
Inventor
洪伟华
冯聪
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Zhejiang Jiaotou Mining Co ltd
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Zhejiang Jiaotou Mining Co ltd
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Publication of CN112844869A publication Critical patent/CN112844869A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B11/00—Feeding, charging, or discharging bowls
    • B04B11/02—Continuous feeding or discharging; Control arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B15/00—Other accessories for centrifuges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B15/00—Other accessories for centrifuges
    • B04B15/12—Other accessories for centrifuges for drying or washing the separated solid particles
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations

Abstract

The invention discloses a centrifugal machine for sewage treatment, which comprises a machine base, a centrifugal mechanism arranged on the machine base, a feeding mechanism arranged in the centrifugal mechanism and a driving mechanism for driving the centrifugal mechanism to operate, wherein the centrifugal mechanism comprises a hollow pushing spiral barrel, a centrifugal rotary drum and a housing, the hollow pushing spiral barrel comprises a hollow shaft barrel, a plurality of feeding holes in the hollow shaft barrel, a first driving shaft, a second driving shaft and a spiral pushing plate, the centrifugal rotary drum comprises a compression drying cavity, an inner air inlet, a plurality of overflow ports in the centrifugal rotary drum and a plurality of slag discharge ports in the centrifugal rotary drum, and the housing comprises a plurality of outer air inlets, an annular heat preservation cavity, a conical partition plate and an annular partition plate in the housing. The invention solves the problem of solid-liquid separation during sewage treatment, improves the separation efficiency and the dehydration rate of solid phase, and prolongs the service life and the stability of equipment.

Description

Centrifuge for sewage treatment
Technical Field
The invention relates to the field of sewage treatment, in particular to a centrifuge for sewage treatment.
Background
The horizontal screw centrifuge is a horizontal screw discharging and continuously operating settling equipment, generally comprising a rotary drum and a screw conveyor positioned in the rotary drum, and a separation chamber consisting of the outer wall of a cylinder body of the screw conveyor and the inner wall of the rotary drum, wherein materials enter the separation chamber from a feed inlet, and the materials are separated from solid and liquid in the separation chamber due to the difference of the rotating speeds of the screw conveyor and the rotary drum.
Disclosure of Invention
The invention provides a centrifuge for sewage treatment, which overcomes the defects of the prior art, solves the problem of solid-liquid separation during sewage treatment, improves the separation efficiency and the dehydration rate of a solid phase, and prolongs the service life and the stability of equipment.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a centrifuge for sewage treatment, includes frame, the rotatable centrifugal mechanism who locates on the frame, locate feeding mechanism in the centrifugal mechanism, be used for driving the actuating mechanism of centrifugal mechanism operation, centrifugal mechanism includes that hollow pushing material spiral bucket, cover locate hollow pushing material spiral bucket outside centrifugal rotary drum, the fixed housing of locating on the frame, hollow pushing material spiral bucket includes that hollow shaft section of thick bamboo, equidistance annular array locate a plurality of feed inlets on the hollow shaft section of thick bamboo, with the fixed first drive shaft of locating hollow shaft section of thick bamboo one end of axle with the hollow shaft section of thick bamboo, with the second drive shaft of first drive shaft with the axle and fixed locating on the hollow shaft section of thick bamboo other end, fixed cover spiral scraping wings of locating on the hollow shaft section of thick bamboo, centrifugal rotary drum includes that one end is established to conical compression drying chamber, locates interior air inlet, equidistance annular array of centrifugal rotary drum upper band filter screen and locates a plurality of overflow mouth on one end of centrifugal rotary drum, locates a plurality of row's cinder notch on the centrifugal rotary drum other end, the housing includes that a plurality of equidistance annular air inlet annular heat preservation chamber on the housing, fixed conical partition and the annular partition plate of locating on the housing. The sewage is fed by the feeding mechanism and divided into the centrifugal drum from each feeding hole to ensure that the materials are uniformly distributed, the centrifugal force generated by the rotation of the centrifugal drum enables solid-phase waste residues with the density larger than that of water to be gathered on the inner wall of the centrifugal drum, the gathered solid-phase waste residues are pushed by the spiral material pushing plate on the rotating hollow material pushing spiral selection to move to the compression drying cavity, water vapor entering from the outer air inlet enters the centrifugal drum through the inner air inlet, the solid-phase waste residues are compressed to a large density and are only heated, air flows to the other side to push water to flow, solid-liquid separation is accelerated, the treated solid waste residues are discharged from a plurality of residue discharging ports on the centrifugal drum, water overflows from a plurality of overflow ports on the centrifugal drum and is discharged, the solid residues discharged from the residue discharging ports can still be preheated and volatilized after being discharged due to the heating of the water vapor, the drying degree of the waste residues is improved, the feeding mechanism realizes the feeding function, the uniform material distribution function is ensured, the uniform material distribution in the centrifugal drum, the power input of the centrifugal mechanism and the feeding mechanism are input by the driving mechanism, the dynamic balance of the driving shaft of the first and the dynamic rotation of the driving shaft to ensure that the dynamic and the dynamic rotation of the driving device in the process of the driving shaft.
The feeding mechanism comprises a cavity partition plate, a mandrel, a conical spiral feeding head, a planetary gear train and a feeding pipe hole, wherein the mandrel penetrates through the cavity partition plate and is rotatably arranged on the second driving shaft, the conical spiral feeding head is fixedly arranged at one end of the mandrel, the planetary gear train is used for driving the mandrel and the conical spiral feeding head to rotate, the feeding pipe hole penetrates through the center of the first driving shaft, and the planetary gear train comprises a first inner gear ring fixedly arranged on the hollow shaft cylinder, a first gear rotatably arranged on the hollow shaft cylinder, a second gear rotatably arranged on the hollow shaft cylinder and a third gear fixedly arranged on the mandrel.
The driving mechanism comprises a first heat exchange seat fixedly arranged on the machine base, a second heat exchange seat fixedly arranged on the machine base, a first lubricating circulation assembly fixedly arranged on the first heat exchange seat, a second lubricating circulation assembly fixedly arranged on the second heat exchange seat, a first main shaft stabilizing assembly fixedly arranged on the first driving shaft, a second main shaft stabilizing assembly fixedly arranged on the second driving shaft, a first belt pulley fixedly arranged on the first driving shaft, a second belt pulley rotatably arranged on the machine base, a motor fixedly arranged on the machine base and used for driving the second belt pulley to rotate, a plurality of belts simultaneously wound on the first belt pulley and the second belt pulley, a fourth gear fixedly arranged on the first driving shaft, a fifth gear rotatably sleeved on the centrifugal drum, a sixth gear rotatably sleeved on the centrifugal drum, a second inner gear fixedly arranged on the centrifugal drum, a seventh gear fixedly arranged on the second driving shaft, an eighth gear rotatably sleeved on the centrifugal drum, a ninth gear rotatably sleeved on the centrifugal drum, and a third inner gear fixedly arranged on the centrifugal drum.
First main shaft stabilizing assembly is the same with second main shaft stabilizing assembly structure, first main shaft stabilizing assembly includes that the fixed cover of symmetry locates the first epaxial leading disc of drive, locates wave curve ring rail on the leading disc, the multiunit ejector pin structure on the leading disc is located to equidistance annular distribution, the multiunit guide way on first lubrication cycle subassembly is located to equidistance annular array, inner circle and first drive shaft fixed connection and outer lane and first heat transfer seat fixed connection's sealed bearing, first lubrication cycle subassembly is equipped with annular oil pressure chamber with first drive shaft contact surface, the ejector pin structure includes that connecting block, one end are fixed locates the telescopic link on the connecting block, rotate universal ball, the cover on the telescopic link of locating on the telescopic link other end and locate the compression spring on the telescopic link.
The first heat exchange base and the second heat exchange base are identical in structure, the first heat exchange base comprises a water receiver fixedly arranged on the base, a one-way valve arranged on the water receiver, an annular gas storage cavity fixedly arranged on the outer wall of the water receiver and communicated with the water receiver, and a plurality of one-way gas supply valves fixedly arranged on the connecting block, wherein the gas inlet side of each one-way gas supply valve is arranged in the annular gas storage cavity, and the valve body is fixedly arranged in the annular gas storage cavity.
First lubrication circulation subassembly is the same with second lubrication circulation subassembly structure, first lubrication circulation subassembly is including a plurality of movable chambeies that communicate oil pressure chamber and sealed bearing, a plurality of oil feed check valve fly leafs with connecting block fixed connection, a plurality of oil return check valve fly leafs with connecting block driving lever fixed connection, locate the movable chamber outside and with the oil storage chamber of movable chamber intercommunication, locate the relief valve of movable chamber and sealed bearing intercommunication.
The invention has the following advantages: the drying degree of the waste residues is improved by introducing water vapor, and meanwhile, the pressure is generated on water to improve the treatment efficiency; the feeding mechanism realizes the feeding function and also has the material distributing function; the driving mechanism realizes the power supply of the equipment and carries out dynamic balance on the first driving shaft and the second driving shaft in the rotating operation process to ensure the stable service life of the equipment, thereby solving the problem of solid-liquid separation during sewage treatment, improving the separation efficiency and the dehydration rate of a solid phase and prolonging the service life and the stability of the equipment.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line B-B in fig. 1.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a sectional view of line E-E in fig. 2.
Fig. 5 is a sectional view of line D-D in fig. 2.
Fig. 6 is a sectional view of line F-F in fig. 2.
Fig. 7 is a sectional view taken along line C-C in fig. 2.
Fig. 8 is a sectional view of line G-G in fig. 2.
Fig. 9 is a sectional view of line H-H in fig. 2.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, a centrifuge for sewage treatment comprises a machine base 1, a centrifugal mechanism 2 rotatably disposed on the machine base, a feeding mechanism 3 disposed in the centrifugal mechanism, and a driving mechanism 4 for driving the centrifugal mechanism to operate, wherein the centrifugal mechanism 2 comprises a hollow pushing spiral barrel 21, a centrifugal drum 23 sleeved outside the hollow pushing spiral barrel, and a housing 24 fixedly disposed on the machine base, the hollow pushing spiral barrel 21 comprises a hollow shaft barrel 211, a plurality of feeding ports 212 disposed on the hollow shaft barrel in an equidistant annular array, a first driving shaft 213 coaxially and fixedly disposed on one end of the hollow shaft barrel, a second driving shaft 214 coaxially and fixedly disposed on the other end of the hollow shaft barrel, and a spiral pushing plate 215 fixedly disposed on the hollow shaft barrel, the centrifugal drum 23 comprises a compression drying chamber having a conical shape at one end, an inner air inlet 232 disposed on the centrifugal drum and having a filter screen, a plurality of overflow ports 233 disposed on one end of the centrifugal drum in an annular array, a plurality of slag discharge ports 234 disposed on the other end of the centrifugal drum, and the housing 24 comprises a plurality of outer air inlets 231 equidistantly disposed on the annular housing, an annular partition 242, a conical partition 242 disposed on the annular partition 242 and a fixed partition plate 244; the sewage is fed by a feeding mechanism and distributed to all feed inlets to enter the centrifugal drum, so that the uniform distribution of materials is ensured, the centrifugal force generated by the rotation of the centrifugal drum enables solid-phase waste residues with the density higher than that of water in the sewage to be gathered on the inner wall of the centrifugal drum, the gathered solid-phase waste residues are pushed by a spiral material pushing plate on the rotating hollow material pushing screw to move towards the compression drying cavity, water vapor entering from an outer air inlet enters the centrifugal drum through an inner air inlet, the water vapor only heats the solid-phase waste residues due to the high compression density of the solid-phase waste residues, the air flow flows towards the other side to push the water to flow, the solid-liquid separation is accelerated, the treated solid waste residues are discharged from a plurality of residue discharge ports on the centrifugal drum, the water overflows and is discharged from a plurality of overflow ports on the centrifugal drum, and the solid waste residues discharged from the residue discharge ports can be preheated and volatilized after being heated and the water vapor is discharged, so that the drying degree of the waste residues is improved.
The feeding mechanism 3 comprises a cavity partition plate 31, a mandrel 32, a conical spiral feeding head 33, a planetary gear train 34 and a feeding pipe hole 35, wherein the mandrel 32 penetrates through the second driving shaft and the cavity partition plate in a rotatable mode, the conical spiral feeding head 33 is fixedly arranged at one end of the mandrel, the planetary gear train 34 is used for driving the mandrel and the conical spiral feeding head to rotate, the feeding pipe hole 35 penetrates through the center of the first driving shaft, the planetary gear train 34 comprises a first inner gear ring 341 fixedly arranged on the hollow shaft cylinder, a first gear 342 rotatably arranged on the hollow shaft cylinder, a second gear 343 rotatably arranged on the hollow shaft cylinder, and a third gear 344 fixedly sleeved on the mandrel; sewage enters the hollow shaft barrel through the feeding pipe hole, the conical spiral feeding head generates suction force to the sewage along with the rotation of the mandrel to enable the sewage to flow directionally to realize feeding, the sewage is guided by the conical structure of the conical spiral feeding head to be uniformly distributed to each feeding hole on the hollow shaft barrel, the first gear and the second gear are driven by the power of the feeding mechanism to enable the third gear to be driven to rotate by the first inner gear ring rotating along with the hollow shaft barrel of the centrifugal mechanism, and the mandrel is fixedly sleeved with the third gear to enable the mandrel to rotate synchronously.
The driving mechanism 4 comprises a first heat exchange seat 41 fixedly arranged on the machine base, a second heat exchange seat 42 fixedly arranged on the machine base, a first lubricating circulation component 43 fixedly arranged on the first heat exchange seat, a second lubricating circulation component 44 fixedly arranged on the second heat exchange seat, a first main shaft stabilizing component 45 fixedly sleeved on the first driving shaft, a second main shaft stabilizing component 46 fixedly sleeved on the second driving shaft, a first belt pulley 47 fixedly sleeved on the first driving shaft, a second belt pulley 48 rotatably arranged on the machine base, a motor 49 fixedly arranged on the machine base and used for driving the second belt pulley to rotate, a plurality of belts 410 simultaneously wound on the first belt pulley and the second belt pulley, a fourth gear 420 fixedly sleeved on the first driving shaft, a fifth gear 430 rotatably sleeved on the centrifugal drum, a sixth gear 440 rotatably sleeved on the centrifugal drum, a second inner gear ring 450 fixedly arranged on the centrifugal drum, a seventh gear 460 fixedly sleeved on the second driving shaft, an eighth gear 470 rotatably sleeved on the centrifugal drum, a ninth gear 480 rotatably sleeved on the centrifugal drum, and a third inner gear ring 490 fixedly arranged on the centrifugal drum; the motor rotates to drive the second belt pulley to synchronously rotate, the second belt pulley drives the first belt pulley and a first driving shaft fixedly sleeved with the first belt pulley to rotate through a belt, the first driving shaft and the second driving shaft are fixedly arranged on the hollow pushing spiral barrel and synchronously rotate, the fourth gear synchronously rotates with the first driving shaft to drive the fifth gear and the sixth gear to rotate, the fifth gear and the sixth gear rotate to drive the second inner gear ring to rotate so as to drive the centrifugal structure and the feeding structure, and the motor is purchased from the market; first drive shaft rotates the in-process and stabilizes the subassembly through first main shaft and realize online dynamic balance and guarantee first drive shaft pivoted stability, the cover is equipped with first lubrication circulation subassembly and lubricates first main shaft stabilization subassembly in the first drive shaft, first heat transfer seat realizes the cooling effect through carrying out the heat exchange with first lubrication circulation subassembly, the second drive shaft is the same with first drive shaft structure, actuating mechanism is through improving first second drive shaft pivoted stability, the stability of equipment operation and the extension of equipment life are realized to a plurality of angles such as circulation lubrication equipment mechanism and heat transfer cooling.
The first main shaft stabilizing component 45 and the second main shaft stabilizing component 46 have the same structure, the first main shaft stabilizing component 45 comprises a guide disc 451 symmetrically fixed and sleeved on a first driving shaft, a wave-shaped curve annular guide rail 4511 arranged on the guide disc, a plurality of groups of ejector rod structures 452 distributed on the guide disc in an annular manner at equal intervals, a plurality of groups of guide grooves 453 arranged on a first lubricating circulation component in an annular array at equal intervals, a sealing bearing 454 with an inner ring fixedly connected with the first driving shaft and an outer ring fixedly connected with a first heat exchange seat, an annular oil pressure cavity 455 is arranged on the contact surface of the first lubricating circulation component and the first driving shaft, the ejector rod structure 452 comprises a connecting block 4521, an expansion link 4522 with one end fixedly arranged on the connecting block, a universal ball 4523 rotatably arranged on the other end of the expansion link, and a compression spring 4524 sleeved on the expansion link. The first driving shaft rotates to drive the guide disc to rotate, the wavy curve annular guide rail on the guide disc and the telescopic rod of the push rod structure with the compression spring can jointly act to drive the connecting block of the push rod structure to move up and down in the guide groove in the rotating process, the symmetrical arrangement of the push rod structure enables the push rod structure to move up and down and applies opposite equal force to the first driving shaft through the universal ball at the top end while contacting and rotating with the first driving shaft, so that the offset vibration of the first driving shaft is reduced in the rotating process, the rotating stability of the first driving shaft is improved, meanwhile, the up-and-down movement of the push rod structure can drive the first lubricating circulation structure to pump oil into the annular oil pressure cavity, a certain pressure is maintained in the oil pressure cavity, the rotating friction of the first driving shaft is reduced, the rotation of the first driving shaft is more stable and smooth, and the service life of the first driving shaft and the first main shaft stabilizing assembly is prolonged; the sealed bearing is commercially available.
The first heat exchange seat and the second heat exchange seat are identical in structure, the first heat exchange seat comprises a water receiver 51 fixedly arranged on the machine base, a one-way valve 52 arranged on the water receiver, an annular air storage cavity 53 fixedly arranged on the outer wall of the water receiver and communicated with the water receiver, and a plurality of one-way air supply valves 54 fixedly arranged on the connecting block, one air inlet side of each one-way air supply valve is arranged in the annular air storage cavity, and the valve body is fixedly arranged in the annular air storage cavity. In the operation process of the equipment, the first driving shaft rotates to generate heat, the heat exchange is carried out with cooling water in the water receiver, the cooling water absorbs heat and evaporates to generate water vapor, the water vapor enters the annular gas storage cavity communicated with the water receiver, the connecting block moves up and down in the operation process of the ejector rod structure to drive the one-way gas supply valve to work, the water vapor in the gas storage cavity is conveyed into the housing through the outer gas inlet of the centrifugal mechanism, the water vapor entering the housing keeps high temperature due to the fact that the annular heat preservation cavity is arranged on the housing, after the water vapor enters the centrifugal drum through the inner gas inlet, the solid-phase waste residue is only heated by the water vapor with high compression density, the drying degree of the waste residue can be improved by continuous preheating and volatilization after the solid-phase waste residue is discharged out of the equipment, airflow flows to the other side to push the water, solid-liquid separation is accelerated, the sewage treatment efficiency is improved, the pressure in the annular gas storage cavity and the water receiver is reduced after the water vapor in the annular gas storage cavity is pumped into the centrifugal mechanism by the one-way gas supply valve, the one-way valve is opened, the one-way valve to supplement cooling water receiver to the cooling water in the water receiver, the equipment, the cooling water receiver is treated by the centrifugal mechanism, the cyclic utilization is realized, the energy consumption is reduced, and the load of the equipment is reduced, and the equipment, and the load of the equipment is reduced.
The first lubrication circulation assembly 43 is identical to the second lubrication circulation assembly 44 in structure, the first lubrication circulation assembly 43 comprises a plurality of movable cavities 431 communicated with an oil pressure cavity and a sealing bearing, a plurality of oil feeding one-way valve movable plates 432 fixedly connected with a connecting block, a plurality of oil return one-way valve movable plates 433 fixedly connected with a connecting block shifting lever, an oil storage cavity 434 arranged on the outer side of the movable cavity and communicated with the movable cavity, and a pressure release valve 435 arranged on the movable cavity and communicated with the sealing bearing. In the operation process of the equipment, the oil delivery check valve movable plate connected with the ejector rod structural connection block moves up and down along with the connection block, lubricating oil in the oil storage cavity is pumped into the oil pressure cavity through the movable cavity, the oil pumping relief valve is continuously pumped to be opened after the oil pressure cavity reaches specified pressure, the lubricating oil enters the bearing roller cavity to lubricate the bearing, the oil return check valve movable plate connected with the ejector rod structural connection block moves up and down along with the connection block, the lubricating oil in the sealed bearing is pumped into the oil storage cavity through the movable cavity, the lubricating oil in the first lubricating circulation component circularly flows, the lubricating oil in use is guaranteed to have better lubricating performance, the service life of the equipment is prolonged, and the stable operation of the equipment is guaranteed.

Claims (1)

1. The utility model provides a centrifuge for sewage treatment which characterized in that: the centrifugal mechanism comprises a machine base (1), a centrifugal mechanism (2) which can be rotatably arranged on the machine base, a feeding mechanism (3) arranged in the centrifugal mechanism, and a driving mechanism (4) for driving the centrifugal mechanism to run, wherein the centrifugal mechanism (2) comprises a hollow pushing spiral barrel (21), a centrifugal drum (23) sleeved outside the hollow pushing spiral barrel, and a housing (24) fixedly arranged on the machine base, the hollow pushing spiral barrel (21) comprises a hollow shaft barrel (211), a plurality of feed inlets (212) which are annularly arranged on the hollow shaft barrel in an equidistant manner, a first driving shaft (213) fixedly arranged on one end of the hollow shaft barrel together with the hollow shaft barrel, a second driving shaft (214) fixedly arranged on the other end of the hollow shaft barrel together with the first driving shaft and a spiral pushing plate (215) fixedly arranged on the hollow shaft barrel together with the first driving shaft, the centrifugal drum (23) comprises a compression drying cavity (231) with one end, an inner air inlet (232) with a filter screen arranged on the centrifugal drum, a plurality of overflow ports (233) arranged on one end of the centrifugal drum in an equidistant annular array, a plurality of heat preservation ports (234) arranged on the centrifugal drum, and a plurality of residue discharge ports (234) arranged on the other end of the centrifugal drum, and the housing (24) comprising a plurality of annular partition plates (241) fixedly arranged on the conical annular housing and a plurality of annular partition plates (242 fixedly arranged on the conical annular partition plate arranged on the housing;
the feeding mechanism (3) comprises a cavity partition plate (31), a mandrel (32) which penetrates through the second driving shaft and the cavity partition plate in a rotatable mode, a conical spiral feeding head (33) which is fixedly arranged at one end of the mandrel, a planetary gear train (34) which is used for driving the mandrel and the conical spiral feeding head to rotate, and a feeding pipe hole (35) which penetrates through the center of the first driving shaft, wherein the planetary gear train (34) comprises a first inner gear ring (341) which is fixedly arranged on the hollow shaft cylinder, a first gear (342) which is rotatably arranged on the hollow shaft cylinder, a second gear (343) which is rotatably arranged on the hollow shaft cylinder, and a third gear (344) which is fixedly sleeved on the mandrel;
the driving mechanism (4) comprises a first heat exchange seat (41) fixedly arranged on the base, a second heat exchange seat (42) fixedly arranged on the base, a first lubricating circulation component (43) fixedly arranged on the first heat exchange seat, a second lubricating circulation component (44) fixedly arranged on the second heat exchange seat, a first main shaft stabilizing component (45) fixedly sleeved on the first driving shaft, a second main shaft stabilizing component (46) fixedly sleeved on the second driving shaft, a first belt pulley (47) fixedly sleeved on the first driving shaft, a second belt pulley (48) rotatably arranged on the base, a motor (49) fixedly arranged on the base and used for driving the second belt pulley to rotate, a plurality of belts (410) simultaneously wound on the first belt pulley and the second belt pulley, a fourth gear (420) fixedly sleeved on the first driving shaft, a fifth gear (430) rotatably sleeved on the centrifugal drum, a sixth gear (440) rotatably sleeved on the centrifugal drum, a second inner gear (450) fixedly arranged on the centrifugal drum, a seventh gear (460) fixedly sleeved on the second driving shaft, an eighth gear (470) rotatably sleeved on the centrifugal drum, and a ninth inner gear (480) rotatably arranged on the centrifugal drum;
the first main shaft stabilizing assembly (45) and the second main shaft stabilizing assembly (46) are identical in structure, the first main shaft stabilizing assembly (45) comprises a guide disc (451) symmetrically and fixedly sleeved on a first driving shaft, a wavy curve annular guide rail (4511) arranged on the guide disc, a plurality of groups of ejector rod structures (452) distributed on the guide disc in an equidistant annular mode, a plurality of groups of guide grooves (453) arranged on a first lubricating circulation assembly in an equidistant annular array mode, a sealing bearing (454) with an inner ring fixedly connected with the first driving shaft and an outer ring fixedly connected with a first heat exchange seat, an annular oil pressure cavity (455) is arranged on the contact surface of the first lubricating circulation assembly and the first driving shaft, and the ejector rod structure (452) comprises a connecting block (4521), a telescopic rod (4522) with one end fixedly arranged on the connecting block, a universal ball (4523) rotatably arranged on the other end of the telescopic rod, and a compression spring (4524) sleeved on the telescopic rod;
the first heat exchange base and the second heat exchange base are identical in structure, the first heat exchange base comprises a water receiver (51) fixedly arranged on the base, a one-way valve (52) arranged on the water receiver, an annular gas storage cavity (53) fixedly arranged on the outer wall of the water receiver and communicated with the water receiver, and a plurality of one-way gas supply valves (54) fixedly arranged on the connecting block, wherein the gas inlet side of each one-way gas supply valve is arranged in the annular gas storage cavity, and the valve body is fixedly arranged in the annular gas storage cavity;
first lubrication circulation subassembly (43) and second lubrication circulation subassembly (44) structure is the same, first lubrication circulation subassembly (43) including a plurality of movable chamber (431) that communicate oil pressure chamber and sealed bearing, with connecting block fixed connection a plurality of check valve fly leaf (432) that send oil, with connecting block driving lever fixed connection a plurality of oil return check valve fly leaf (433), locate the movable chamber outside and with oil storage chamber (434) that the movable chamber communicates, locate relief valve (435) that the movable chamber communicates with sealed bearing.
CN202011546710.6A 2020-12-24 2020-12-24 Centrifuge for sewage treatment Active CN112844869B (en)

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CN202011546710.6A CN112844869B (en) 2020-12-24 2020-12-24 Centrifuge for sewage treatment

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CN112844869B true CN112844869B (en) 2022-11-25

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