CN103567079B - Horizontal vibrating centrifuge - Google Patents
Horizontal vibrating centrifuge Download PDFInfo
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- CN103567079B CN103567079B CN201310419393.5A CN201310419393A CN103567079B CN 103567079 B CN103567079 B CN 103567079B CN 201310419393 A CN201310419393 A CN 201310419393A CN 103567079 B CN103567079 B CN 103567079B
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- 239000000463 material Substances 0.000 claims abstract description 11
- 239000003208 petroleum Substances 0.000 claims description 46
- 238000007789 sealing Methods 0.000 claims description 39
- 238000001514 detection method Methods 0.000 claims description 22
- 239000004519 grease Substances 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000005461 lubrication Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 38
- 230000000694 effects Effects 0.000 description 9
- 239000010687 lubricating oil Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
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- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
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- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The present invention relates to a kind of horizontal vibrating centrifuge, comprise main shaft, be sleeved on main shaft outside sleeve, be sleeved on sleeve outside and the vibration casing be fixedly connected with sleeve, vibrating bin external body and be provided with vibrating motor, be separately positioned on belt wheel and the basket at main shaft two ends; The two ends of vibration casing are respectively arranged with fixing labyrinth; The rotation labyrinth suitable with fixing labyrinth is set with on the main shaft of basket end; This horizontal vibrating centrifuge also comprises the automatic control system for controlling vibrating motor, automatic control system involving vibrations centrifuge running parameter acquisition device, controller and frequency converter; Vibrating centrifuge running parameter acquisition device accesses frequency converter by controller; Frequency converter access vibrating motor; The treating capacity of vibrating centrifuge running parameter acquisition device Real-time Obtaining vibrating centrifuge, material moisture, vibrating centrifuge working amplitude and vibrating centrifuge operating frequency.
Description
Technical field
The invention belongs to solid-liquid separation technique field, relate to a kind of vibrating centrifuge, particularly relate to horizontal vibrating centrifuge.
Background technology
Horizontal vibrating centrifuge is the key equipment for being less than 50mm grade material dewatering, compared with vertical centrifuge with cutter discharge of solid, there is initial investment few, take up room little, consume energy low, the advantages such as basket long service life, horizontal vibrating centrifuge is widely used in the industries such as the energy, metallurgy, pottery, building materials, chemical industry.Horizontal vibrating centrifuge used at present has the following disadvantages:
1, the box body sealing structure of vibrating centrifuge often adopts seal to seal, because the rotating speed of main shaft is relatively high, axial mobility is large, compare other equipment, sealing part abrasion is also larger, cause serious leakage problem, thus affect lubrication, the cooling of bearing, reduce bearing and complete machine service life.As shown in Figure 1, seal structure of centrifuge box of the prior art, right side is sealed by two back-to-back oil sealings, due to long load operation, oil sealing has wearing and tearing, and a small amount of lubricating oil can enter the cavity between two oil sealings, along with increasing gradually of lubricating oil, this place's pressure increase, makes right side oil seal lip lift, causes leakage; In addition, if after the pressure in casing is greater than the operating pressure of oil sealing, the oil sealing of two back-to-back type also can lose efficacy.
2, the grease filling system that adopts of vibrating centrifuge.The effect of this grease filling system provides grease to the gap location in hermetically-sealed construction, conveniently safeguards, often adopt self-acting lubricator at present.This self-acting lubricator be utilize dry cell to produce gas pressure promote piston thus at regular time and quantity outpour grease, and by pipeline road arrive sealing place.See Fig. 2, the automatic greasing device of current horizontal vibrating centrifuge is arranged in pulley end, but long for the pipeline road of basket end greasing, and the pressure that oil syringe produces is less, grease fully can not arrive greasing point, and a large amount of grease is stored in pipeline, causes waste; In addition in current this design, pipeline road will pass whole vibrating bin, and install difficulty, reliability is lower.
3, in order to the bearing portion (pulley end bearing and basket end bearing) to centrifuge carries out lubrication and cooling, centrifuge all will be furnished with force-feed lubrication system, and arranges oil circuit in vibrating bin.Bearing housing oil circuit conventional at present refers to Fig. 3, but because sleeve oil-in and oil-out are arranged in pulley end, lubricating oil can not Efficient Cycle in sleeve, make basket end bearing can not obtain sufficient lubrication and cooling, pulley end of comparing bearing, load suffered by basket end bearing is larger, and condition of work is poorer, longtime running, will reduce the service life of basket end bearing.
4, vibrating centrifuge generally adopts and determines speed vibration motor exciting; this kind of exciting mode can only produce the vibration of single-frequency; when the outside operating mode such as treating capacity, water content of material changes; the treatment effect of centrifuge does not reach optimum efficiency, and the potential of centrifuge can not be played completely, and when shutting down; fixed centrifuge frequently due to downtime longer; there will be significantly teeter, have a strong impact on the structural strength of centrifuge, with potential safety hazard.
5, centrifuge vibrating bin adopts bracing frame to support vibration casing, see Fig. 4, and there is certain height in bracing frame, when centrifuge vibrating bin works, the center of gravity of whole vibrating bin and even whole vibrating body is higher, bracing frame is easily out of shape, and support effect is not only undesirable, also add unstability when centrifuge runs; Meanwhile, centrifuge vibrating bin seat structure is complicated, and manufacturing cost is also higher.
Summary of the invention
In order to solve the above-mentioned technical problem existed in background technology, the invention provides the horizontal vibrating centrifuge that a kind of degree of reliability is high, result of use is good.
Technical solution of the present invention is: the invention provides a kind of horizontal vibrating centrifuge, comprises main shaft, is sleeved on the sleeve of main shaft outside, is sleeved on sleeve outside and the vibration casing be fixedly connected with sleeve, vibrating bin external body and is provided with vibrating motor, is separately positioned on belt wheel and the basket at main shaft two ends; The two ends of described vibration casing are respectively arranged with fixing labyrinth; The main shaft of described close basket end is set with the rotation labyrinth suitable with fixing labyrinth; Belt wheel drives basket to rotate by main shaft; Vibrating motor drives vibration casing to carry out axial vibration along the axis of main shaft; Its special character is: described horizontal vibrating centrifuge also comprises the automatic control system for controlling vibrating motor, described automatic control system involving vibrations centrifuge running parameter acquisition device, controller and frequency converter; Described vibrating centrifuge running parameter acquisition device accesses frequency converter by controller; Described frequency converter access vibrating motor; The treating capacity of described vibrating centrifuge running parameter acquisition device Real-time Obtaining vibrating centrifuge, material moisture, vibrating centrifuge working amplitude and vibrating centrifuge operating frequency; The running parameter that vibrating centrifuge running parameter acquisition device obtains calculates by described controller, obtains best excited frequency value; Described frequency converter adopts the rotating speed of best excited frequency value to vibrating motor to adjust.
Described vibrating centrifuge running parameter acquisition device comprises moisture content detection device, Weight detecting device and vibration detection device; Described moisture content detection device, Weight detecting device and vibration detection device be access controller respectively; Described controller is connected with vibrating motor by frequency converter.
Described Weight detecting device is belted electronic balance; Described moisture content detection device is online moisture detector; Described vibration detection device is one or more vibrating sensors.
Described horizontal vibrating centrifuge also comprises and is arranged between belt wheel and fixing labyrinth and/or the seal structure of centrifuge box being arranged on fixing labyrinth and rotating between labyrinth; The labyrinth that described seal structure of centrifuge box comprises oil sealing, be close together with oil sealing and sealing ring; Described labyrinth is annular element; Described annular element comprise inner surface and with inner surface back to outer surface; The inner surface of described annular element and outer surface are provided with one or multi-channel groove; The described quantity being arranged on the groove of annular element inner surface is more than the quantity of groove being arranged on annular element outer surface; Described sealing ring is placed in the groove being arranged on annular element outer surface; The cross section of described annular element inner surface recesses is triangular in shape.
Described oil sealing comprises pressure end; Described labyrinth leans against the pressure end of oil sealing; The cross section of described annular element inner surface recesses is isosceles triangle; Preferred equilateral triangle; The described quantity being arranged on annular inner surface groove is 2-10, preferred 3-7; Most preferably 4-5.
Described annular element inner surface recesses from inner surface to the distance of groove top be 2.5mm; Spacing between adjacent two grooves of described annular element inner surface is 4-8mm, preferred 6mm.
Described horizontal vibrating centrifuge also comprises to be fixed labyrinth and rotates gap between labyrinth carry out the grease filling system of greasing for fixing gap and basket end between labyrinth to belt wheel and belt wheel end; Described belt wheel outer setting has belt wheel protection hood, and the outer setting of described basket has water tank, and water tank front end is provided with front end flange; Described belt wheel end fixes belt wheel end greasing point labyrinth being provided with and fixing gap between labyrinth with belt wheel and belt wheel end and communicate; Described basket end is fixed labyrinth is provided with and to be fixed labyrinth with basket end and rotate the basket end greasing point that gap between labyrinth communicates; Described grease filling system comprises belt wheel end greasing device and basket end greasing device; Described belt wheel end greasing device comprises belt wheel end greasing device and belt wheel end petroleum pipeline; Described belt wheel end greasing device is arranged on belt wheel protection hood, and is connected by belt wheel end petroleum pipeline and belt wheel end greasing point; Described basket end greasing device comprises basket end greasing device and basket end petroleum pipeline; Described basket end greasing device is arranged on water tank front end flange, and is connected by basket end petroleum pipeline and basket end greasing point; Described belt wheel end petroleum pipeline and basket end petroleum pipeline are isometric.
Described pulley end petroleum pipeline and basket end petroleum pipeline all adopt the rubber tube or plastic tube with wear-resistant protecting layer; The length of described pulley end petroleum pipeline and basket end petroleum pipeline is 0.2-0.5m, preferred 0.2-0.3m.
Described horizontal vibrating centrifuge also comprises belt wheel end bearing block and basket end bearing block; Main shaft is supported in bearing block by belt wheel end bearing and basket end bearing; Described main shaft peripheral hardware is provided with sleeve; Gap is had between main shaft and sleeve; Described horizontal vibrating centrifuge also comprises the oil circuit for carrying out lubrication and cooling to belt wheel end bearing, basket end bearing; Described oil circuit comprises oil transportation block, petroleum pipeline, is arranged on sleeve near the hydraulic fluid port at belt wheel end bearing block place and the hydraulic fluid port being arranged on close basket end bearing block place on sleeve; The described hydraulic fluid port near basket end bearing block place is communicated by the oil circuit of petroleum pipeline with belt wheel end bearing block; The described hydraulic fluid port near belt wheel end bearing block place is communicated by the oil circuit of oil transportation block with belt wheel end bearing block.
Described horizontal vibrating centrifuge also comprises the centrifuge vibrating bin bearing for supporting vibrating bin; Described centrifuge vibrating bin bearing comprises gripper shoe, retainer and backing plate; Described retainer is fixedly connected with bracing frame by backing plate; Described vibrating bin is arranged on backing plate by retainer; The thickness of described backing plate is 39mm-41mm, preferred 40mm.
Compared with prior art, the present invention has the following advantages:
1, traditional oil enveloping structure is changed to the labyrinth seal structure being provided with groove by box body sealing structure of the present invention, and the groove structure of sealing structure is simple, convenient processing and manufacture, coordinates with shaft clearance.By simple structural design, reach desirable sealing effectiveness, extend complete machine service life, reduce maintenance cost.
2, basket end greasing device is arranged on the water tank front end flange closer to greasing point by grease filling system of the present invention, shorten the petroleum pipeline length of basket end, under less pressure, grease also can arrive greasing position more fully, decreases the waste of grease simultaneously; In addition under arrangement of the present invention, the petroleum pipeline of basket end need not pass vibrating bin again, facilitates installation, improves reliability.
3, in order to more sufficient lubrication and cooling bearing, adopt one end oil-feed at sleeve, the mode that the other end is fuel-displaced, lubricating oil is made to flow to other end bearing from an end bearing, sleeve bearings at both ends can be made all to obtain sufficient lubrication and cooling, improve the environment for use of bearing, improve reliability and service life.
4, vibrating centrifuge automatic control system of the present invention is when centrifuge normally runs, by the parameter such as amplitude, frequency of the treating capacity of sensor Real-Time Monitoring centrifuge, material moisture, key position, and by these parameters input controllers, by the intelligent algorithm such as neuroid, expert system, obtain best excited frequency value, then frequency converter is driven, adjustment vibrating motor rotating speed, make centrifuge by this frequency vibration, controller, by certain time interval adjustment excited frequency, makes centrifuge always work in best operating point.When shutting down, the frequency converter of vibrating motor can being controlled, vibrating motor is stopped according to specific controlling curve, centrifuge can being avoided to occur larger teeter when shutting down.The present invention can make centrifuge forever be operated in optimal vibration state, and effectively vibration is large, nuisance vibration is little, and no matter how outside operating mode changes, and it all can keep stable vibration and less energy resource consumption.Centrifuge can also being avoided to occur larger teeter when shutting down, improve security.
5, the present invention is by the height reduction of centrifuge vibrating bin bearing, and then reduces the focus of work of vibrating body, improves stability; Meanwhile, the mode that the backing plate that the present invention adopts directly welds makes seat structure in vibration almost not be out of shape, and support strength is large; Owing to eliminating bracing frame, cost is lower; Gripper shoe, backing plate, snubber block retainer only need be welded the effect just can playing support by the present invention successively, and its structure is simple, are convenient to realize.
Accompanying drawing explanation
Fig. 1 is seal structure of centrifuge box schematic diagram in prior art;
Fig. 2 is the structural representation of grease filling system used in the prior art;
Fig. 3 is the structural representation in grease loop used in the prior art;
Fig. 4 is the structural representation of centrifuge vibrating bin bearing used in the prior art;
Fig. 5 is seal structure of centrifuge box schematic diagram provided by the present invention;
Fig. 6 is the schematic cross-section of labyrinth structure provided by the present invention;
Fig. 7 is the structural representation of grease filling system provided by the present invention;
Fig. 8 is the structural representation in grease loop provided by the present invention;
Fig. 9 is the theory diagram of automatic control system provided by the present invention;
Figure 10 is the structural representation of centrifuge vibrating bin bearing provided by the present invention;
Figure 11 is the overall structure schematic diagram of horizontal centrifuge provided by the present invention;
Figure 12 is another angle schematic diagram of horizontal centrifuge overall structure provided by the present invention;
Wherein:
1-seal structure of centrifuge box; 12-labyrinth; 13-sealing ring; 14-oil sealing; 15-groove; 2-grease filling system; 21-basket end greasing device; 22-belt wheel end greasing point; 23-basket end petroleum pipeline; 24-basket end greasing point; 25-vibrating bin; 26-belt wheel end petroleum pipeline; 27-belt wheel end greasing device; 28-belt wheel protection hood; 29-water tank front end flange; 3-automatic control system; 31-moisture content detection device; 32-Weight detecting device; 33-vibration detection device; 34-controller; 35-frequency converter; 36-vibrating motor; 4-oil circuit; 41-sleeve; 42-belt wheel end bearing block; 43-basket end bearing block; 44-hydraulic fluid port; 46-petroleum pipeline; 5-centrifuge vibrating bin bearing; 51-retainer; 52-gripper shoe; 53-bracing frame; 54-backing plate; 6-belt wheel protection hood; 7-mair motor; 8-frame; 9-water tank; 10-lubricating system; 11-belt.
Detailed description of the invention
The invention provides and give a kind of horizontal vibrating centrifuge, comprise frame 8, lubricating system 10, water tank 9, main shaft, be sleeved on main shaft outside sleeve, be sleeved on sleeve outside and the vibration casing be fixedly connected with sleeve, vibrating bin outer setting and have vibrating motor, be separately positioned on belt wheel and the basket at main shaft two ends; The two ends of vibrating bin are respectively arranged with fixing labyrinth; The rotation labyrinth suitable with fixing labyrinth is set with on the main shaft of basket end; Mair motor 7 drives basket to rotate by belt 11, belt wheel and main shaft successively; Vibrating motor drives vibration casing along the axial axial vibration of main shaft; Horizontal vibrating centrifuge also comprises the automatic control system for controlling vibrating motor, automatic control system involving vibrations centrifuge running parameter acquisition device, controller and frequency converter; Vibrating centrifuge running parameter acquisition device accesses frequency converter by controller; Frequency converter access vibrating motor; The treating capacity of vibrating centrifuge running parameter acquisition device Real-time Obtaining vibrating centrifuge, material moisture, vibrating centrifuge working amplitude and vibrating centrifuge operating frequency; The running parameter that vibrating centrifuge running parameter acquisition device obtains calculates by controller, obtains best excited frequency value; Frequency converter adopts the rotating speed of best excited frequency value to vibrating motor to adjust.
Horizontal vibrating centrifuge provided by the present invention also comprises and is arranged on belt wheel and belt wheel end and fixes between labyrinth and be arranged on basket end and fix labyrinth and rotate the seal structure of centrifuge box 1 between labyrinth; See Fig. 5, seal structure of centrifuge box 1 comprises oil sealing 14, the labyrinth 12 that is only close together with oil sealing 14 and sealing ring 13; Labyrinth 12 is annular elements.See Fig. 6, annular element comprise inner surface and with inner surface back to outer surface; The inner surface of annular element and outer surface are provided with one or multi-channel groove 15; The quantity being arranged on the groove 15 of annular element inner surface is more than the quantity of groove 15 being arranged on annular element outer surface; Sealing ring 13 is placed in the groove 15 being arranged on annular element outer surface; The cross section of annular element inner surface recesses 15 is triangular in shape.Multiple grooves 15 that annular element inner surface is arranged constitute the labyrinth seal structure of with groove.
Oil sealing 14 comprises pressure end; Labyrinth 12 only leans against the pressure end of oil sealing 14; The cross section of annular element inner surface recesses 15 is isosceles triangles; Preferred equilateral triangle; The quantity being arranged on annular inner surface groove 15 is 2-10, and 3-7 sealing effectiveness is better, and 4-5 sealing effectiveness is best.
Annular element inner surface recesses 15 from inner surface to the distance of groove top be 2.5mm; Spacing between adjacent two grooves 15 of annular element inner surface is 4-8mm, preferred 6mm.
The material of annular element of the present invention can be carbon structural steels, engineering plastics or aluminium.
The front end of oil sealing 14 is provided with labyrinth 12, labyrinth 12 is provided with sealing ring 13, after lubricating oil to lubricate bearing 1 and cools, enter labyrinth 12 end face, due to a series of throttle clearance and the expansion cavity of formation between multiple grooves 15 of the annular element inner surface in labyrinth 12, lubricating oil produces throttle effect when the gap by tortuous labyrinth and reaches the effect of Drain Resistance.Even if still have a small amount of lubricating oil by labyrinth 12, the oil sealing 14 of terminal can carry out effective sealing to it completely, plays double-layer seal effect; Even if lubricating oil has certain pressure in casing, when it is by labyrinth 12, due to the effect of throttle effect, pressure can be decayed gradually, and the oil sealing of terminal still can carry out effective sealing to it, prevents from revealing.
See Fig. 7, horizontal vibrating centrifuge provided by the present invention also comprises to be fixed labyrinth for fix between labyrinth gap to belt wheel and belt wheel end and be arranged on basket end and rotates the grease filling system 2 carrying out greasing between labyrinth; Belt wheel outer setting has belt wheel protection hood 6, and the outer setting of basket has water tank; Belt wheel end fixes belt wheel end greasing point labyrinth being provided with and communicating with gap between belt wheel and fixing labyrinth; Basket end is fixed labyrinth is provided with and to be fixed labyrinth with basket end and rotate the basket end greasing point communicated between labyrinth; This grease filling system comprises and arranges belt wheel end greasing device and basket end greasing device.
Belt wheel end greasing device comprises belt wheel end greasing point 22, belt wheel end greasing device 27 and belt wheel end petroleum pipeline 26; Belt wheel end greasing device 27 is connected by belt wheel end petroleum pipeline 26 and pulley end greasing point 22; Belt wheel end greasing device 27 is arranged on belt wheel protection hood 628;
Basket end greasing device comprises basket end greasing point 24, basket end greasing device 21 and basket end petroleum pipeline 23; Basket end greasing device 21 is connected by basket end petroleum pipeline 23 and basket end greasing point 24; Basket end greasing device 21 is arranged on water tank front end flange 29.
Conveniently purchase, pulley end petroleum pipeline 26 and basket end petroleum pipeline 23 are isometric.
In order to easy for installation, adaptation motion occasion, and require to have wearability, belt wheel end petroleum pipeline 26 and basket end petroleum pipeline 23 all adopt rubber tube or the plastic tube with wear-resistant protecting layer; The length of belt wheel end petroleum pipeline 26 and basket end petroleum pipeline 23 generally selects 0.2-0.5m, in order to not affect greasing work, avoids again the long waste causing grease of petroleum pipeline, the preferred 0.2-0.3m of length of petroleum pipeline.
See Fig. 8, horizontal vibrating centrifuge also comprises belt wheel end bearing block and basket end bearing block; Main shaft is supported in bearing block by belt wheel end bearing and basket end bearing; Main shaft peripheral hardware is provided with sleeve, has gap between main shaft and sleeve; Horizontal vibrating centrifuge also comprises the oil circuit 4 for carrying out lubrication and cooling to belt wheel end bearing, basket end bearing; Oil circuit 4 comprises oil transportation block, petroleum pipeline, is arranged on sleeve near the hydraulic fluid port 44 at belt wheel end bearing block place and the hydraulic fluid port 44 being arranged on close basket end bearing block place on sleeve; Hydraulic fluid port 44 near basket end bearing block place is communicated by the oil circuit of petroleum pipeline with belt wheel end bearing block; Hydraulic fluid port near belt wheel end bearing block place is communicated by the oil circuit of oil transportation block with belt wheel end bearing block.
The two ends of sleeve are respectively belt wheel end bearing block 42 and basket end bearing block 43, sleeve is provided with two hydraulic fluid ports 44, two hydraulic fluid ports lay respectively at belt wheel end bearing block place and basket end bearing block place, the hydraulic fluid port at belt wheel end bearing block place is connected by the oil circuit of oil transportation block and belt wheel end bearing block, and the hydraulic fluid port at basket end bearing block place is connected by the oil circuit of petroleum pipeline 46 with belt wheel end bearing block.
See Fig. 9, automatic control system 3 involving vibrations centrifuge running parameter acquisition device, controller 34, frequency converter 35 and vibrating motor 36; Vibrating centrifuge running parameter acquisition device accesses vibrating motor 36 by controller 34 and frequency converter 35 successively; The treating capacity of vibrating centrifuge running parameter acquisition device Real-time Obtaining vibrating centrifuge, material moisture, vibrating centrifuge working amplitude and vibrating centrifuge operating frequency; The running parameter that vibrating centrifuge running parameter acquisition device obtains calculates by controller 34, obtains best excited frequency value; Frequency converter 35 adopts the rotating speed of best excited frequency value to vibrating motor to adjust.
Vibrating centrifuge running parameter acquisition device comprises moisture content detection device 31, Weight detecting device 32 and vibration detection device 33; Moisture content detection device 31, Weight detecting device 32 and vibration detection device 33 be access controller 34 respectively.Arrange that moisture content detection device 31 instrument is to detect material moisture respectively at centrifuge feeding mouth and discharging opening, the belt conveyor of feeding mouth and discharging opening arranges that Weight detecting device 32 is with check processing amount, centrifuge body is arranged some vibration detection devices 33 are in order to detected amplitude and frequency.
Weight detecting device 32 is belted electronic balances; Moisture content detection device 31 is online moisture detectors; Vibration detection device 33 is one or more vibrating sensors.
Its operation principle is: when centrifuge runs, by the parameter such as amplitude, frequency of the treating capacity of sensor Real-Time Monitoring centrifuge, material moisture, key position, and by these parameters input controllers 34, by the intelligent algorithm such as neuroid or expert system, obtain best excited frequency value, then frequency converter 35 is driven, adjustment vibrating motor 36 rotating speed, make centrifuge by this frequency vibration, controller 34, by certain time interval adjustment excited frequency, makes centrifuge always work in best operating point.When centrifuge is shut down, according to controlling curve preset in advance, making vibrating motor 36 control strategy on request realize stopping by the frequency converter 35 controlling vibrating motor 36, avoiding centrifuge to occur larger teeter when shutting down.
See Figure 10, centrifuge vibrating bin bearing 5 comprises gripper shoe 52, retainer 51 and backing plate 54; Retainer 51 is fixedly connected with bracing frame 52 by backing plate 54; Gripper shoe 52 is fixedly installed in frame; The thickness of backing plate 54 is 39mm-41mm, preferred 40mm.
Claims (16)
1. a horizontal vibrating centrifuge, comprises main shaft, is sleeved on the sleeve of main shaft outside, is sleeved on sleeve outside and the vibration casing be fixedly connected with sleeve, vibrating bin external body and is provided with vibrating motor, is separately positioned on belt wheel and the basket at main shaft two ends; The two ends of described vibration casing are respectively arranged with fixing labyrinth; The rotation labyrinth suitable with fixing labyrinth is set with on the main shaft of basket end; Belt wheel drives basket to rotate by main shaft; Vibrating motor drives vibration casing to carry out axial vibration along the axis of main shaft; It is characterized in that: described horizontal vibrating centrifuge also comprises the automatic control system for controlling vibrating motor, described automatic control system involving vibrations centrifuge running parameter acquisition device, controller and frequency converter; Described vibrating centrifuge running parameter acquisition device accesses frequency converter by controller; Described frequency converter access vibrating motor; The treating capacity of described vibrating centrifuge running parameter acquisition device Real-time Obtaining vibrating centrifuge, material moisture, vibrating centrifuge working amplitude and vibrating centrifuge operating frequency; The running parameter that vibrating centrifuge running parameter acquisition device obtains calculates by described controller, obtains best excited frequency value; Described frequency converter adopts the rotating speed of best excited frequency value to vibrating motor to adjust.
2. horizontal vibrating centrifuge according to claim 1, is characterized in that: described vibrating centrifuge running parameter acquisition device comprises moisture content detection device, Weight detecting device and vibration detection device; Described moisture content detection device, Weight detecting device and vibration detection device be access controller respectively; Described controller is connected with vibrating motor by frequency converter.
3. horizontal vibrating centrifuge according to claim 2, is characterized in that: described Weight detecting device is belted electronic balance; Described moisture content detection device is online moisture detector; Described vibration detection device is one or more vibrating sensors.
4. the horizontal vibrating centrifuge according to claim 1 or 2 or 3, is characterized in that: described horizontal vibrating centrifuge also comprises and is arranged between belt wheel and fixing labyrinth and/or the seal structure of centrifuge box being arranged on fixing labyrinth and rotating between labyrinth; The labyrinth that described seal structure of centrifuge box comprises oil sealing, be close together with oil sealing and sealing ring; Described labyrinth is annular element; Described annular element comprise inner surface and with inner surface back to outer surface; The inner surface of described annular element and outer surface are provided with one or multi-channel groove; The described quantity being arranged on the groove of annular element inner surface is more than the quantity of groove being arranged on annular element outer surface; Described sealing ring is placed in the groove being arranged on annular element outer surface; The cross section of described annular element inner surface recesses is triangular in shape.
5. horizontal vibrating centrifuge according to claim 4, is characterized in that: described oil sealing comprises pressure end; Described labyrinth leans against the pressure end of oil sealing; The cross section of described annular element inner surface recesses is isosceles triangle; The described quantity being arranged on annular inner surface groove is 2-10.
6. horizontal vibrating centrifuge according to claim 5, is characterized in that: the cross section of described annular element inner surface recesses is equilateral triangle.
7. horizontal vibrating centrifuge according to claim 6, is characterized in that: described in be arranged on annular inner surface groove quantity be 3-7.
8. horizontal vibrating centrifuge according to claim 7, is characterized in that: described in be arranged on annular inner surface groove quantity be 4-5.
9. horizontal vibrating centrifuge according to claim 5, is characterized in that: described annular element inner surface recesses from inner surface to the distance of groove top be 2.5mm; Spacing between adjacent two grooves of described annular element inner surface is 4-8mm.
10. horizontal vibrating centrifuge according to claim 9, is characterized in that: the spacing between adjacent two grooves of described annular element inner surface is 6mm.
11. horizontal vibrating centrifuges according to claim 9, is characterized in that: described horizontal vibrating centrifuge also comprises to be fixed labyrinth and rotate gap between labyrinth carry out the grease filling system of greasing for fixing gap and basket end between labyrinth to belt wheel and belt wheel end; Described belt wheel outer setting has belt wheel protection hood, and the outer setting of described basket has water tank, and water tank front end is provided with front end flange; Described belt wheel end fixes belt wheel end greasing point labyrinth being provided with and fixing gap between labyrinth with belt wheel and belt wheel end and communicate; Described basket end is fixed labyrinth is provided with and to be fixed labyrinth with basket end and rotate the basket end greasing point that gap between labyrinth communicates; Described grease filling system comprises belt wheel end greasing device and basket end greasing device; Described belt wheel end greasing device comprises belt wheel end greasing device and belt wheel end petroleum pipeline; Described belt wheel end greasing device is arranged on belt wheel protection hood, and is connected by belt wheel end petroleum pipeline and belt wheel end greasing point; Described basket end greasing device comprises basket end greasing device and basket end petroleum pipeline; Described basket end greasing device is arranged on water tank front end flange, and is connected by basket end petroleum pipeline and basket end greasing point; Described belt wheel end petroleum pipeline and basket end petroleum pipeline are isometric.
12. horizontal vibrating centrifuges according to claim 11, is characterized in that: described belt wheel end petroleum pipeline and basket end petroleum pipeline all adopt the rubber tube or plastic tube with wear-resistant protecting layer; The length of described pulley end petroleum pipeline and basket end petroleum pipeline is 0.2-0.5m.
13. horizontal vibrating centrifuges according to claim 12, is characterized in that: the length of described pulley end petroleum pipeline and basket end petroleum pipeline is 0.2-0.3m.
14. horizontal vibrating centrifuges according to claim 12, is characterized in that: described horizontal vibrating centrifuge also comprises belt wheel end bearing block and basket end bearing block; Main shaft is supported in bearing block by belt wheel end bearing and basket end bearing; Described main shaft peripheral hardware is provided with sleeve; Gap is had between main shaft and sleeve; Described horizontal vibrating centrifuge also comprises the oil circuit for carrying out lubrication and cooling to belt wheel end bearing, basket end bearing; Described oil circuit comprises oil transportation block, petroleum pipeline, is arranged on sleeve near the hydraulic fluid port at belt wheel end bearing block place and the hydraulic fluid port being arranged on close basket end bearing block place on sleeve; The described hydraulic fluid port near basket end bearing block place is communicated by the oil circuit of petroleum pipeline with belt wheel end bearing block; The described hydraulic fluid port near belt wheel end bearing block place is communicated by the oil circuit of oil transportation block with belt wheel end bearing block.
15. horizontal vibrating centrifuges according to claim 14, is characterized in that: described horizontal vibrating centrifuge also comprises the centrifuge vibrating bin bearing for supporting vibrating bin; Described centrifuge vibrating bin bearing comprises gripper shoe, retainer and backing plate; Described retainer is fixedly connected with bracing frame by backing plate; Described vibrating bin is arranged on backing plate by retainer; The thickness of described backing plate is 39mm-41mm.
16. horizontal vibrating centrifuges according to claim 15, is characterized in that: described vibrating bin is arranged on backing plate by retainer; The thickness of described backing plate is 40mm.
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| CN201310419393.5A CN103567079B (en) | 2013-09-13 | 2013-09-13 | Horizontal vibrating centrifuge |
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| CN201310419393.5A CN103567079B (en) | 2013-09-13 | 2013-09-13 | Horizontal vibrating centrifuge |
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| CN105562221B (en) * | 2016-03-07 | 2018-05-15 | 中国工程物理研究院总体工程研究所 | Big quality test part erecting device on vibrating centrifuge |
| CN108554654A (en) * | 2018-05-07 | 2018-09-21 | 绍兴文理学院元培学院 | A kind of horizontal spiral discharge sedimentation centrifuge |
| CN113117902B (en) * | 2021-03-11 | 2022-11-04 | 山东圣诺实业有限公司 | Device for separating free carbon from superfine silicon carbide powder |
| DE102021002125B3 (en) * | 2021-04-22 | 2022-05-05 | Groschopp Aktiengesellschaft Drives & More | Process for extracting honeycomb and honey extractor |
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Effective date of registration: 20221228 Address after: 710075 Room 515, 5/F, No. 18, Gaoxin 1st Road, High tech Zone, Xi'an, Shaanxi Patentee after: Xi'an Hi Tech Co.,Ltd. Address before: 710077 No. 35, Tuanjie South Road, High tech Zone, Xi'an, Shaanxi Patentee before: XI'AN MARINE EQUIPMENT ENGINEERING RESEARCH ACADEMY |