CN106732067A - Without seal combination rotary ceramic blade stirring pulp plant - Google Patents
Without seal combination rotary ceramic blade stirring pulp plant Download PDFInfo
- Publication number
- CN106732067A CN106732067A CN201710071782.1A CN201710071782A CN106732067A CN 106732067 A CN106732067 A CN 106732067A CN 201710071782 A CN201710071782 A CN 201710071782A CN 106732067 A CN106732067 A CN 106732067A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/95—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
- B01F27/053—Stirrers characterised by their elements, materials or mechanical properties characterised by their materials
- B01F27/0531—Stirrers characterised by their elements, materials or mechanical properties characterised by their materials with particular surface characteristics, e.g. coated or rough
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/321—Disposition of the drive
- B01F35/3211—Disposition of the drive independent from the receptacle
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/47—Mixing of ingredients for making paper pulp, e.g. wood fibres or wood pulp
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The present invention relates to papermaking equipment equipment technical field, without seal combination rotary ceramic blade stirring pulp plant, including：Base part, paper pulp stirring pool, combination rotating mechanism and motor, as improvement：By rotation driving belt transmitting torque between rotation driving pulley and rotation driven pulley, by driven shaft lower key transmitting torque between rotation driven pulley and driven spindle；By key transmitting torque on driven shaft between central gear and driven spindle, it is intermeshed between central gear and rotating gear, by from turn key transmitting torque between rotating gear and rotation oar axle, rotation oar axle hypomere has rotation square shaft, there is stirrer paddle on rotation square shaft, stirrer paddle is located at stock tank base plate top；Revolution driving belt and rotation driving belt are arranged on inside base part, stock tank central tube is set in simple operation and safety, paper pulp stirring pool so that the revolution driving pulley and rotation driving pulley transmitted as power are thoroughly isolated with paper pulp, without corrosion, without sealing.
Description
Technical field
The present invention relates to papermaking equipment equipment technical field, international Patent classificating number D21G9/00, and in particular to without sealing
Combination rotary ceramic blade stirring pulp plant.
Background technology
Paper pulp is with string as raw material, through fibrous material obtained in different processing methods.Can be according to processing method
It is divided into mechanical pulp, chemical pulp and chemimechanical pulp；It is divided into wood pulp, straw pulp, jute pulp, reed also dependent on fibrous raw material used
Slurry, sugarcane slurry, bamboo pulp, rag stock etc..Refined pulp, bleached pulp, unbleached pulp, high yield pulp1 can be divided into according to different purity again
Paper pulp, semi-chemical pulp etc..Paper pulp is needed in preparation process through over mechanical processing, it is necessary to paper pulp agitating device is carried out uniformly to it
Stirring, however, paper pulp agitating device in the market has mostly, structure is more single, the low shortcoming of stirring efficiency, such as in
State Application No. CN200610068826.7 discloses a kind of medium dense pulp tower, it is proposed that a kind of energy saving, paper pulp mixing are equal
It is even, discharge rapid medium dense pulp tower, the height of the invention its stirrer paddle is fixed, easily causes paper pulp at stirring pool bottom
Portion produces deposition, not only waste of resource, and stirring pool bottom long time sedimentation has an effect on stirring pool service life；Additionally, pulp processing
When have certain acid-base property, the rotary shaft of the invention its stirrer paddle is directly to be contacted with paper pulp, brings the double of sealing and corrosion
Weight difficulty.The awkward technical bottleneck in the field is：If in order to avoid the dual difficulty for sealing and corroding, power transmitting mechanism is set
Put and be arranged on stirring pool top, then operative is both inconvenient or dangerous, and single-shaft-rotation stirring is also uneven, easily stays
There is stirring dead angle.
The content of the invention
It is an object of the invention to provide without seal combination rotary ceramic blade stirring pulp plant, using combination rotation
Stirrer paddle carries out uniform stirring to the paper pulp in flat stirring pool, to solve the drawbacks described above caused by prior art bottleneck；
Specific embodiment is as follows：
Without seal combination rotary ceramic blade stirring pulp plant, including：Base part, paper pulp stirring pool, combination rotating mechanism
And motor, motor and paper pulp stirring pool be all located at base part top, and described base part shell is by pedestal bottom plate, base
Four cycle side plates of seat and pedestal cover plate are constituted, and paper pulp stirring pool is made up of stock tank outer barrel, stock tank central tube and stock tank base plate, group
Close rotating mechanism include driven spindle, revolution hollow shaft, gear housing, gear box cover, central gear, rotating gear and and from
Turn oar axle and stirrer paddle, have incoming pulp material pipe and paper pulp discharge nozzle on stock tank outer barrel, as improvement：On described pedestal bottom plate
There are driving shaft bearing and driven step, there is stock tank location hole and motor location hole on the cover plate of pedestal cover plate in plane；Institute
There is motor the motor location hole top stated, is connected by positive coupling between motor output shaft and active rotating shaft, main
There are revolution driving pulley and rotation driving pulley in dynamic rotating shaft；Active rotating shaft lower end is located in driving shaft bearing；Stock tank central tube
Between revolution hollow shaft by upper revolution bearing and lower hollow shaft make it is rotatable be fixedly connected, there is gear revolution hollow shaft upper end
Case lid；By hollow shaft lower key transmitting torque between revolution hollow shaft and revolution driven pulley；Revolution driven pulley is with revolution actively
By revolution driving belt transmitting torque between belt wheel；
By rotation driving belt transmitting torque between rotation driving pulley and rotation driven pulley, rotation driven pulley with driven turn
By driven shaft lower key transmitting torque between axle；By key transmitting torque, centre tooth on driven shaft between central gear and driven spindle
It is intermeshed between wheel and rotating gear, by from turn key transmitting torque, rotation oar axle hypomere between rotating gear and rotation oar axle
There is rotation square shaft, there is stirrer paddle on rotation square shaft, stirrer paddle is located at stock tank base plate top.
As further improvement：The copper alloy that described rotation square shaft surface has a layer thickness to be 0.38 to 0.42 millimeter is hard
Matter anticorrosive material, described copper alloy hard anticorrosive material is made up of the element of following percentage by weight：Cu:43-45%、Ni:
5.2-5.4%、Cr:1.2-1.4%、Mo:3.7-3.9%、Zn:2.6-2.8%、Sn:4.4-4.6%, W：6.4-6.6%, balance of Fe
And inevitable impurity；The weight percent content of the impurity is：C is less than less than 0.07%, Si less than 0.23%, Mn
0.28%th, S is less than 0.018% less than 0.013%, P；The material Specifeca tion speeification of titanium alloy hard wear-resistant coating is：Rockwell is hard
Degree HRC values are 61-63；
Described stirrer paddle entirety material is silicon carbide ceramics, with SiC (carborundum) as base-material, is equipped with mineralizer MgO (oxygen
Change magnesium), BaCO3（Barium carbonate）And bonding clay composition, and the weight percent content of its each component is SiC:92.8-
93.2%, MgO:2.2-2.4%, BaCO3:2.5-2.7%, remaining is bonding clay.
As further improvement：There are stock tank positioning step, stock tank positioning table on the base plate lower plane of described stock tank base plate
Among stock tank location hole, there is cylinder under stock tank stock tank positioning step lower section to component level, and there is lower bearing aperture card in lower bearing stepped hole outside
Groove；There is upper bearing (metal) stepped hole on described stock tank central tube endoporus, there is upper bearing aperture draw-in groove in upper bearing (metal) stepped hole outside；
There are upper bearing (metal) step section, lower bearing step section, revolution belt wheel section and hollow shaft card in revolution hollow shaft successively from top to bottom
There is upper bearing (metal) axle draw-in groove in groove, upper bearing (metal) step section outside；Fixed upper revolution between upper bearing (metal) stepped hole and upper bearing (metal) step section
Bearing, fixed lower revolution bearing between lower bearing stepped hole and lower bearing step section；There is upper axle card in upper bearing (metal) axle draw-in groove
Spring, upper axle jump ring blocks revolution bearing inner race lower section；There is upper hole jump ring in upper bearing aperture draw-in groove, upper hole is blocked with jump ring
Upper revolution bearing outer ring top；There is lower opening jump ring in lower bearing aperture draw-in groove, lower opening jump ring is blocked under lower revolution bearing outer ring
Side；There is revolution shaft key groove in revolution belt wheel section, have described hollow shaft lower key in revolution shaft key groove, revolve round the sun driven pulley endoporus key
It is detachable cooperation between groove and hollow shaft lower key, there is hollow shaft jump ring in hollow shaft draw-in groove, hollow shaft will be revolved round the sun with jump ring
Driven pulley endoporus is fixed in revolution belt wheel section.
As further improvement：There is driven neck bush at gear box cover center, has two rotation bushings symmetrical on gear box cover
Set in driven neck bush, there are 6 to 10 case lid through holes on gear box cover edge circumference；There is driven upper bearing (metal) at gear housing center
Seat, has two rotation bearing blocks to be symmetrical in driven top chock and sets on gear housing, have on gear housing outer barrel lower surface 6 to
10 casing screws；In same axial line between driven top chock and driven neck bush and described driven step
On, two rotation bearing blocks are respectively between two rotation bushings on each comfortable same axial line；
Described driven spindle epimere has driven shaft boss, and driven shaft boss upper shaft is located among driven top chock；Center
By key transmitting torque on driven shaft between gear and driven spindle, central gear be located at driven neck bush and driven shaft boss it
Between；Driven spindle passes through driven neck bush and the hollow shaft through-hole of revolution, and driven spindle upper end is located among driven top chock, from
Dynamic rotating shaft lower end is located among driven step；Case lid screw coordinates after passing through case lid through hole with casing screw, by gear-box
Lid is fastened on gear housing outer barrel lower surface；
Described rotation oar axle epimere has axis of rotation boss, and axis of rotation boss upper shaft is located among rotation bearing block；Rotation tooth
By from turn key transmitting torque, rotating gear is located between rotation bushing and axis of rotation boss between wheel and rotation oar axle；Two certainly
Turn oar axle and pass through each self-corresponding rotation bushing respectively；It is to be slidably matched and rotation bushing endoporus between that rotation oar axle is cylindrical, from
Turning oar axle hypomere has rotation square shaft, there is 2 to 4 square shaft screws on every rotation square shaft, there is blade square hole, oar on stirrer paddle
There is blade step through-hole leaf square hole side, and to be slidably matched between blade square hole and rotation square shaft, blade screw passes through blade platform
Coordinate with square shaft screw after rank through hole, stirrer paddle is fastened on rotation square shaft.
As further improvement：It is to be slidably matched between driven neck bush endoporus that driven spindle is cylindrical, and described is driven
Rotating shaft hypomere has driven shaft draw-in groove, driven shaft pulley section, driven shaft thread segment and driven shaft lower end section successively, in driven shaft draw-in groove
There is driven shaft jump ring, have driven pulley keyway in driven shaft pulley section, there is described driven shaft lower key on driven pulley keyway,
It is detachable cooperation between rotation driven pulley inner hole key slot and driven shaft lower key, rotation driven pulley endoporus is located at driven shaft band
In wheel section, driven shaft nut is engaged with driven shaft thread segment, and rotation driven pulley is close on driven shaft jump ring, driven
Axle lower end section is located among driven step.
As further improvement：There are shaft coupling section, driving shaft revolution section, master on described active rotating shaft successively from top to bottom
Moving axis rotation section, driving shaft thread segment and driving shaft lower end section, there is main shaft revolution keyway, main shaft revolution key in driving shaft revolution section
There is main shaft revolution key in groove, positive coupling top half coordinates with motor output shaft, and revolution driving pulley is fixed on actively
In axle revolution section；There is main shaft rotation keyway in driving shaft rotation section, there is main shaft from turn key, rotation main belt in main shaft rotation keyway
Wheel is fixed in driving shaft rotation section,
Driving shaft nut is engaged with driving shaft thread segment；Driving shaft lower end section is located among driving shaft bearing.
3rd, meaning of the present invention beneficial effect：
（One）, revolution driving belt and rotation driving belt be arranged on inside base part, simple operation safety again, paper pulp stirs
Setting stock tank central tube in pond is mixed, and stock tank central tube upper surface is higher than stock tank outer barrel upper surface so that transmitted as power
Revolution driving pulley and rotation driving pulley are thoroughly isolated with paper pulp, without corrosion, without sealing；Revolution driving pulley suit is certainly
Turn driving pulley, realize the active rotating shaft of motor-driven described in a power source, two rotary motions can be decomposited：It is public
Turn hollow shaft drive combination rotating mechanism and integrally make revolution motion above stock tank base plate, driven spindle is by central gear and certainly
It is intermeshed between rotating disk, drives rotation oar axle and stirrer paddle to make spinning motion above stock tank base plate, is will not leave behind
Any stirring dead angle, improves stirring efficiency；The unit pulp processing time is shortened, the manual work time had both been saved, dropped again
Low operating power consumption.
（Two）, rotation square shaft surface have one layer of copper alloy hard anticorrosive material, stirrer paddle integrally uses silicon carbide ceramics,
Rotproofness is good.
Brief description of the drawings
Fig. 1 is stereo appearance figure of the invention.
Fig. 2 is front view of the invention.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the A-A profiles in Fig. 3.
Fig. 5 is the base part 100 and the combination section of paper pulp stirring pool 200 in Fig. 4.
Fig. 6 is the B-B profiles in Fig. 5.
Fig. 7 is the fragmentary cross-sectional view of paper pulp stirring pool 200 in Fig. 5.
Fig. 8 is the casing part profile of base part 100 in Fig. 5.
Fig. 9 is paper pulp stirring pool 200 and combination rotating mechanism 300 and its component parts profile in Fig. 1 to Fig. 4.
Figure 10 is the combination rotating mechanism 300 and its component parts profile in Fig. 9.
Figure 11 is the rotation fragmentary cross-sectional view in Figure 10.
Figure 12 is the revolution fragmentary cross-sectional view in Figure 10.
Figure 13 is the part drawing of active rotating shaft 450 in Fig. 4.
Figure 14 is the top view of stirrer paddle 368 of Fig. 4.
Specific embodiment
The invention will be further elucidated with reference to specific embodiments.
As shown in Figure 1 to Figure 4 and shown in Fig. 5 and Figure 10, without seal combination rotary ceramic blade stirring pulp plant, including：
Base part 100, paper pulp stirring pool 200, combination rotating mechanism 300 and motor 400, motor 400 and paper pulp stirring pool 200
The top of base part 100 is all located at, the described shell of base part 100 is by pedestal bottom plate 110, the cycle side plate 120 of pedestal four and base
Flap plate 130 is constituted, and paper pulp stirring pool 200 is made up of stock tank outer barrel 210, stock tank central tube 220 and stock tank base plate 230,
Combination rotating mechanism 300 includes driven spindle 350, revolution hollow shaft 330, gear housing 333, gear box cover 363, central gear
311st, rotating gear 312 and with rotation oar axle 362 and stirrer paddle 368, have the He of incoming pulp material pipe 201 on stock tank outer barrel 210
Paper pulp discharge nozzle 202, as improvement：There are driving shaft bearing 244 and driven step 233, base on described pedestal bottom plate 110
There are stock tank location hole 132 and motor location hole 131 on the cover plate of flap plate 130 in plane 122；Described motor location hole 131
There is motor 400 top, is connected by positive coupling 410 between the output shaft of motor 400 and active rotating shaft 450, actively
There are revolution driving pulley 420 and rotation driving pulley 460 in rotating shaft 450；The lower end of active rotating shaft 450 is located at driving shaft bearing 244
In；Rotatable fixation is made by upper revolution bearing 203 and lower revolution bearing 302 between stock tank central tube 220 and revolution hollow shaft 330
There is gear box cover 363 connection, revolution hollow shaft 330 upper end；By hollow between revolution hollow shaft 330 and revolution driven pulley 520
The transmitting torque of axle lower key 530；Torsion is transmitted by revolution driving belt 534 between revolution driven pulley 520 and revolution driving pulley 420
Square；
By the transmitting torque of rotation driving belt 543, rotation driven belt between rotation driving pulley 460 and rotation driven pulley 560
By the transmitting torque of driven shaft lower key 570 between wheel 560 and driven spindle 350；Between central gear 311 and driven spindle 350 by
The transmitting torque of key 341 on driven shaft, intermeshing, rotating gear 312 and rotation between central gear 311 and rotating gear 312
By from the transmitting torque of turn key 342, the hypomere of rotation oar axle 362 has rotation square shaft 364, stirred on rotation square shaft 364 between oar axle 362
Blade 368 is mixed, stirrer paddle 368 is located at the top of stock tank base plate 230.
As further improvement：The described surface of rotation square shaft 364 has the copper alloy hard that a layer thickness is 0.4 millimeter resistance to
Rotten material, described copper alloy hard anticorrosive material is made up of the element of following percentage by weight：Cu:44%、Ni:5.3%、Cr:
1.3%、Mo:3.8%、Zn:2.7%、Sn:4.5%, W：6.5%, balance of Fe and inevitable impurity；The weight hundred of the impurity
Divide and be than content：C is that 0.06%, Si is that 0.21%, Mn is that 0.25%, S is that 0.012%, P is 0.016%；Titanium alloy hard is resistance to
Grind coating material Specifeca tion speeification be：Rockwell hardness HRC values are 62；
The overall material of described stirrer paddle 368 is silicon carbide ceramics, with SiC (carborundum) as base-material, is equipped with mineralizer MgO
(magnesia), BaCO3（Barium carbonate）And bonding clay composition, and the weight percent content of its each component is SiC:92%,
MgO:2.3%, BaCO3:2.6%, remaining is bonding clay.
As further improvement：There is installation and repairing orifice plate 104 on the described cycle side plate 120 of pedestal four.
As further improvement：Described motor location hole 131 is located at same vertical central lines with driving shaft bearing 244
On, stock tank location hole 132 is located in same vertical central lines with driven step 233.
As further improvement：It is interference fits between described stock tank positioning step 232 and stock tank location hole 132.
As further improvement：The described upper surface of stock tank outer barrel 210 is less than the upper surface of stock tank central tube 220.
As further improvement：Described base plate lower plane 211 is fitted with plane 122 on described cover plate.
As further improvement：There is stock tank positioning step 232 on the base plate lower plane 211 of described stock tank base plate 230, starch
Pond positioning step 232 is located among stock tank location hole 132, and there are cylinder 250 under stock tank, lower axle cushion cap in the lower section of stock tank positioning step 232
There is lower bearing aperture draw-in groove 258 in the outside of rank hole 252；There are upper bearing (metal) stepped hole 272, upper axle on the described endoporus of stock tank central tube 220
Holding the outside of stepped hole 272 has upper bearing aperture draw-in groove 278；
There are upper bearing (metal) step section 373, lower bearing step section 372, revolution belt wheel section in revolution hollow shaft 330 successively from top to bottom
577 and hollow shaft draw-in groove 379, there is upper bearing (metal) axle draw-in groove 374 in the outside of upper bearing (metal) step section 373；Upper bearing (metal) stepped hole 272 and upper axle
Fixed upper revolution bearing 203, fixed between lower bearing stepped hole 252 and lower bearing step section 372 between the cushion cap stage 373
Lower revolution bearing 302；There is upper axle jump ring 573 in upper bearing (metal) axle draw-in groove 374, upper axle jump ring 573 blocks revolution bearing 203
Inner ring lower section；There is upper hole jump ring 572 in upper bearing aperture draw-in groove 278, upper hole jump ring 572 blocks revolution bearing 203 outer ring
Top；There is lower opening jump ring 553 in lower bearing aperture draw-in groove 258, lower opening jump ring 553 blocks lower revolution bearing 302 outer ring lower section；
There is revolution shaft key groove 375 in revolution belt wheel section 577, have described hollow shaft lower key 530 in revolution shaft key groove 375, revolve round the sun driven
It is detachable cooperation between the inner hole key slot of belt wheel 520 and hollow shaft lower key 530, has hollow shaft jump ring in hollow shaft draw-in groove 379
552, be fixed on the revolution endoporus of driven pulley 520 in revolution belt wheel section 577 by hollow shaft jump ring 552.
As further improvement：Between the described upper surface of revolution hollow shaft 330 and the described lower plane of gear box cover 363
It is fixedly connected by shaft-cup screw 336.
As further improvement：There is driven neck bush 351 at the center of gear box cover 363, there is two rotations on gear box cover 363
Bushing 352 is symmetrical in driven neck bush 351 and sets, and has 6 to 10 case lid through holes 933 on the edge circumference of gear box cover 363；
There is driven top chock 321 at the center of gear housing 333, have on gear housing 333 two rotation bearing blocks 322 be symmetrical in from
Dynamic top chock 321 is set, and gear housing 333 has 6 to 10 casing screws 393 on outer barrel lower surface；Driven top chock 321
Between driven neck bush 351 and described driven step 233 on same axial line, two rotation bearing blocks 322
Respectively between two rotation bushings 352 on each comfortable same axial line；
The described epimere of driven spindle 350 has driven shaft boss 355, and the upper shaft of driven shaft boss 355 is located at driven top chock
Among 321；By the transmitting torque of key on driven shaft 341 between central gear 311 and driven spindle 350, central gear 311 be located at from
Between moving axis bushing 351 and driven shaft boss 355；Driven spindle 350 passes through driven neck bush 351 and revolution hollow shaft 330 is led to
Hole, the upper end of driven spindle 350 is located among driven top chock 321, and the lower end of driven spindle 350 is located at driven step 233
Among；Case lid screw 339 coordinates after passing through case lid through hole 933 with casing screw 393, and gear box cover 363 is fastened on into gear-box
On the outer barrel lower surface of body 333；
The described epimere of rotation oar axle 362 has axis of rotation boss 365, and the upper shaft of axis of rotation boss 365 is located at rotation bearing block 322
Among；By from the transmitting torque of turn key 342, rotating gear 312 is located at rotation bushing between rotating gear 312 and rotation oar axle 362
Between 352 and axis of rotation boss 365；Two rotation oar axles 362 pass through each self-corresponding rotation bushing 352 respectively；Rotation oar axle
362 it is cylindrical and the endoporus of rotation bushing 352 between to be slidably matched, the hypomere of rotation oar axle 362 has rotation square shaft 364, every rotation
There are 2 to 4 square shaft screws 366 on square shaft 364, there is blade square hole 386 on stirrer paddle 368, there is oar the side of blade square hole 386
Leaf step through-hole 396, to be slidably matched between blade square hole 386 and rotation square shaft 364, blade screw 369 passes through blade step
Coordinate with square shaft screw 366 after through hole 396, stirrer paddle 368 is fastened on rotation square shaft 364.
As further improvement：It is described to be slidably matched between the cylindrical endoporus with driven neck bush 351 of driven spindle 350
The hypomere of driven spindle 350 have driven shaft draw-in groove 559, driven shaft pulley section 550, driven shaft thread segment 558 and driven shaft successively
Lower end section 533, there is driven shaft jump ring 551 in driven shaft draw-in groove 559, have driven pulley keyway in driven shaft pulley section 550
557, there is described driven shaft lower key 570 on driven pulley keyway 557, under the inner hole key slot of rotation driven pulley 560 and driven shaft
It is detachable cooperation between key 570, the endoporus of rotation driven pulley 560 is located in driven shaft pulley section 550, driven shaft nut 580
It is engaged with driven shaft thread segment 558, rotation driven pulley 560 is close on driven shaft jump ring 551, driven shaft lower end section
533 are located among driven step 233.
As further improvement：There is shaft coupling section 419, driving shaft public on described active rotating shaft 450 successively from top to bottom
Turn section 429, driving shaft rotation section 469, driving shaft thread segment 489 and driving shaft lower end section 449, have in driving shaft revolution section 429
Main shaft revolve round the sun keyway 439, main shaft revolution keyway 439 in have main shaft revolve round the sun key 430, the top half of positive coupling 410 with it is electronic
The output shaft of machine 400 coordinates, and revolution driving pulley 420 is fixed in driving shaft revolution section 429；There is master in driving shaft rotation section 469
There is main shaft from turn key 470 in axle rotation keyway 479, main shaft rotation keyway 479, rotation driving pulley 460 is fixed on driving shaft certainly
Turn in section 469,
Driving shaft nut 480 is engaged with driving shaft thread segment 489；Driving shaft lower end section 449 be located at driving shaft bearing 244 it
In.
In embodiment：
First, number of assembling steps：
（One）, install motor 400 and active rotating shaft 450：
（1）, the installation and repairing orifice plate 104 unloaded on bottom base surrounding side plate 120, motor 400 be placed on pedestal cover plate 130 put down
Face, the output shaft of motor 400 passes through motor location hole 131；
（2）, main shaft revolution key 430 be placed in main shaft revolution keyway 439, keyway and the main shaft on revolution driving pulley 420 are public
Turn key 430 coordinates, and the latter half of positive coupling 410 coordinates with shaft coupling section 419, and revolution driving pulley 420 is fixed on into master
In moving axis revolution section 429；
（3）, main shaft be placed in main shaft rotation keyway 479 from turn key 470, the keyway on rotation driving pulley 460 and main shaft from
Turn key 470 coordinates, and driving shaft nut 480 is engaged with driving shaft thread segment 489, and rotation driving pulley 460 is fixed on actively
In axle rotation section 469；
（4）, revolution driving belt 534 is enclosed within revolution driving pulley 420, the shaft coupling section of revolution driving pulley 420 upper end
It is connected with positive coupling 410 between 419 and the output shaft of motor 400, it is ensured that the output shaft of motor 400 and active rotating shaft
450 are in same axial line；
（5）, rotation driving belt 543 is enclosed within rotation driving pulley 460, driving shaft lower end section 449 loads driving shaft bearing
Among 244.
（Two）, install combination rotating mechanism 300 and its annex：
（1）, in advance driven neck bush 351 and monosymmetric rotation bushing 352 are fixed on gear box cover 363, with three
Revolution hollow shaft 330 upper surface is fixedly connected on the lower plane of gear box cover 363 by above shaft-cup screw 336；In advance by driven shaft
Upper key 341 and central gear 311 are placed on driven spindle 350, in advance by monosymmetric from turn key 342 and rotating gear
312 are individually positioned on rotation oar axle 362；
（2）, gear housing 333 overturn into 180 degree, make casing screw 393 upward；The upper shaft of driven shaft boss 355 is reversed 180
Degree, and load among driven top chock 321；The monosymmetric upper shaft of axis of rotation boss 365 is reversed into 180 degree, and is loaded
Among rotation bearing block 322；
（3）, the revolution hollow shaft 330 that will be fixedly connected in advance and gear box cover 363 overturn 180 degree, on gear box cover 363
Driven neck bush 351 be nested on driven spindle 350 by driven shaft lower end 533 ends of section, on gear box cover 363 two it is symmetrical
Rotation bushing 352 be nested on rotation oar axle 362 by rotation square shaft 364 respectively, case lid screw 339 passes through case lid through hole
Coordinate with casing screw 393 after 933, gear box cover 363 is fastened on the outer barrel lower surface of gear housing 333；Six blade spiral shells
Nail 369 coordinates after passing through blade step through-hole 396 respectively with square shaft screw 366, and it is right to be respectively fastened on six stirrer paddles 368
On the two rotation square shafts 364 for claiming.
（Three）, combination rotating mechanism 300 and paper pulp stirring pool 200 and base part 100 it is assembled：
（1）, recover rotation 180 degree combination rotating mechanism 300 is overall, the upper revolution inner ring interference fit of bearing 203 is enclosed within
In bearing step section 373, upper axle jump ring 573 is put into upper bearing (metal) axle draw-in groove 374 with specific purpose tool；To be revolved round the sun hollow shaft
330 penetrate the endoporus of cylinder 250 under the endoporus of stock tank central tube 220 and stock tank successively, and the upper revolution outer ring interference fits of bearing 203 are enclosed within
On upper bearing (metal) stepped hole 272, upper hole jump ring 572 is put into upper bearing aperture draw-in groove 278 with specific purpose tool so that lower axle cushion cap
Stage 372 is corresponding with lower bearing stepped hole 252；The lower revolution inner ring interference fit of bearing 302 is enclosed within lower bearing step section 372
On, the lower revolution outer ring interference fits of bearing 302 are enclosed within lower bearing stepped hole 252, with specific purpose tool by lower opening jump ring 553
Put into lower bearing aperture draw-in groove 258；
（2）, by hollow shaft lower key 530 be put into revolution shaft key groove 375 on, will revolution the inner hole sleeve of driven pulley 520 revolution belt wheel
In section 577 so that the revolution inner hole key slot of driven pulley 520 coordinates with hollow shaft lower key 530, with specific purpose tool by hollow shaft card
Spring 552 is put into hollow shaft draw-in groove 379, gives the revolution axial limiting of driven pulley 520；
（3）, with specific purpose tool driven shaft jump ring 551 is put into driven shaft draw-in groove 559；By driven shaft lower key 570 be put into from
On movable belt pulley keyway 557, by the inner hole sleeve of rotation driven pulley 560 in driven shaft pulley section 550 so that rotation driven pulley
560 inner hole key slots coordinate with driven shaft lower key 570, coordinate fastening with driven shaft nut 580 and driven shaft thread segment 558, to public affairs
The axial limiting of rotation driven pulley 560；
（4）, will revolution driving belt 534 be enclosed within again revolution driven pulley 520 on, rotation driving belt 543 is enclosed within rotation again
On driven pulley 560, among the driven step 233 of loading of driven shaft lower end section 533；
（5）, the installation and repairing orifice plate 104 that will unload be reinstalled on the cycle side plate 120 of pedestal four, install.
2nd, paper pulp step is processed：
（One）, the valve closed on paper pulp discharge nozzle 202, open the valve on incoming pulp material pipe 201, external pulp pump will be waited to locate
Reason paper pulp is sent to the height in paper pulp stirring pool 200 apart from the setting of stock tank base plate 230 from incoming pulp material pipe 201, stops pumping,
The valve closed on incoming pulp material pipe 201；
（Two）, start motor 400, the output shaft of motor 400 drives active rotating shaft 450 to rotate by positive coupling 410, main
Dynamic rotating shaft 450 delivers torque to the driving pulley 420 that revolves round the sun respectively synchronously by main shaft revolution key 430 and main shaft from turn key 470
With rotation driving pulley 460；
Revolution driving pulley 420 delivers torque to the driven pulley 520 that revolves round the sun by the driving belt 534 that revolves round the sun, then by sky
Heart axle lower key 530 drives revolution hollow shaft 330 to rotate, and realizes the entirety of combination rotating mechanism 300 with driven step 233 and slurry
The axial line formed between pond location hole 132 rotates, and rotation oar axle 362 and stirrer paddle 368 are in stock tank base plate
230 tops are also to make annulus track with the axial line formed between driven step 233 and stock tank location hole 132 to move,
Referred to as revolve round the sun；
Rotation driving pulley 460 delivers torque to rotation driven pulley 560 by rotation driving belt 543,
Then driven spindle 350 is driven to rotate by driven shaft lower key 570, central gear 311 and rotation on driven spindle 350
It is intermeshed between gear 312, drives rotation oar axle 362 and stirrer paddle 368 to rotate, is driven rotation oar axle 362 and stir
The axial line that blade 368 is mixed to be formed between rotation bearing block 322 and rotation bushing 352 rotates, and mode is referred to as
Rotation；
（Three）, stirrer paddle 368 under the force action of spinning motion and revolution motion, implement to the top of stock tank base plate 230
Paper pulp is stirred uniform mixed processing, will not leave behind any stirring dead angle, improves stirring efficiency；When on stock tank base plate 230
After the pulp processing of side reaches technological requirement, motor 400 is closed, open the valve on paper pulp discharge nozzle 202, allow stock tank base plate
Paper pulp is taken away by next process after the treatment of 230 tops, finishes.
3rd, above-mentioned distinguishing feature of the invention, with prominent substantive distinguishing features, brings following significant progressive effect
Really：
（One）, will revolution driving belt 534 and rotation driving belt 543 be arranged on inside base part 100, simple operation is pacified again
Entirely, stock tank central tube 220 is set in paper pulp stirring pool 200, and the upper surface of stock tank central tube 220 is higher than the upper end of stock tank outer barrel 210
Face so that the revolution driving pulley 420 and rotation driving pulley 460 transmitted as power are thoroughly isolated with paper pulp, without corrosion,
Without sealing；The revolution suit of driving pulley 420 rotation driving pulley 460, realize a power source described in motor 400 drive
Active rotating shaft 450, two rotary motions can be decomposited：Revolution hollow shaft 330 drives combination rotating mechanism 300 overall in slurry
Revolution motion is made in the top of bottom of pond plate 230, and driven spindle 350 passes through to be intermeshed between central gear 311 and rotating gear 312,
Drive rotation oar axle 362 and stirrer paddle 368 to make spinning motion in the top of stock tank base plate 230, will not leave behind any stirring dead
Angle, improves stirring efficiency；The unit pulp processing time is shortened, the manual work time had both been saved, work energy is reduced again
Consumption.
（Two）, the surface of rotation square shaft 364 have one layer of copper alloy hard anticorrosive material, stirrer paddle 368 is overall using carbonization
Silicon ceramics, rotproofness is good.
Claims (6)
1. without seal combination rotary ceramic blade stirring pulp plant, including：Base part (100), paper pulp stirring pool (200),
Combination rotating mechanism (300) and motor (400), motor (400) and paper pulp stirring pool (200) are all located at base part
(100) top, described base part (100) shell is by pedestal bottom plate (110), the cycle side plate of pedestal four (120) and pedestal cover plate
(130) constituted, paper pulp stirring pool (200) is by stock tank outer barrel (210), stock tank central tube (220) and stock tank base plate (230) institute group
Into combination rotating mechanism (300) includes driven spindle (350), revolution hollow shaft (330), gear housing (333), gear box cover
(363), central gear (311), rotating gear (312) and with rotation oar axle (362) and stirrer paddle (368), stock tank outer barrel
(210) there are incoming pulp material pipe (201) and paper pulp discharge nozzle (202) on, it is characterized in that：
There are driving shaft bearing (244) and driven step (233) on described pedestal bottom plate (110), pedestal cover plate (130)
There are stock tank location hole (132) and motor location hole (131) on cover plate in plane (122)；Described motor location hole (131) top
There is motor (400), be connected by positive coupling (410) between motor (400) output shaft and active rotating shaft (450),
There are revolution driving pulley (420) and rotation driving pulley (460) on active rotating shaft (450)；Active rotating shaft (450) lower end is located at master
In moving axis bearing (244)；By upper revolution bearing (203) and lower revolution between stock tank central tube (220) and revolution hollow shaft (330)
Bearing (302) make it is rotatable be fixedly connected, revolution hollow shaft (330) upper end have gear box cover (363)；Revolution hollow shaft (330)
By hollow shaft lower key (530) transmitting torque between revolution driven pulley (520)；Revolution driven pulley (520) is with revolution actively
By revolution driving belt (534) transmitting torque between belt wheel (420)；
By rotation driving belt (543) transmitting torque, rotation between rotation driving pulley (460) and rotation driven pulley (560)
By driven shaft lower key (570) transmitting torque between driven pulley (560) and driven spindle (350)；Central gear (311) with it is driven
By key on driven shaft (341) transmitting torque between rotating shaft (350), mutually nibbled between central gear (311) and rotating gear (312)
Close, by from turn key (342) transmitting torque, rotation oar axle (362) hypomere has between rotating gear (312) and rotation oar axle (362)
There is one layer of anticorrosive material on rotation square shaft (364), rotation square shaft (364) surface, there is stirrer paddle (368) on rotation square shaft (364),
Stirrer paddle (368) entirety material is ceramics, and stirrer paddle (368) is positioned at stock tank base plate (230) top.
2. according to claim 1 without seal combination rotary ceramic blade stirring pulp plant, it is characterized in that：
There are the copper alloy hard anticorrosive material that a layer thickness is 0.38 to 0.42 millimeter, institute in described rotation square shaft (364) surface
The copper alloy hard anticorrosive material stated is made up of the element of following percentage by weight：Cu:43-45%、Ni:5.2-5.4%、Cr:
1.2-1.4%、Mo:3.7-3.9%、Zn:2.6-2.8%、Sn:4.4-4.6%, W：6.4-6.6%, balance of Fe and inevitably
Impurity；The weight percent content of the impurity is：C is less than less than 0.23%, Mn less than 0.07%, Si less than 0.28%, S
0.013%th, P is less than 0.018%；The material Specifeca tion speeification of titanium alloy hard wear-resistant coating is：Rockwell hardness HRC values are 61-
63；
Described stirrer paddle (368) entirety material is silicon carbide ceramics, with SiC (carborundum) as base-material, is equipped with mineralizer MgO
(magnesia), BaCO3（Barium carbonate）And bonding clay composition, and the weight percent content of its each component is SiC:92.8-
93.2%, MgO:2.2-2.4%, BaCO3:2.5-2.7%, remaining is bonding clay.
3. according to claim 1 without seal combination rotary ceramic blade stirring pulp plant, it is characterized in that：
There are stock tank positioning step (232), stock tank positioning step on the base plate lower plane (211) of described stock tank base plate (230)
(232) among stock tank location hole (132), there are cylinder (250), lower bearing step under stock tank in stock tank positioning step (232) lower section
There is lower bearing aperture draw-in groove (258) in hole (252) outside；There is upper bearing (metal) stepped hole on described stock tank central tube (220) endoporus
(272), there is upper bearing aperture draw-in groove (278) in upper bearing (metal) stepped hole (272) outside；
There are upper bearing (metal) step section (373), lower bearing step section (372), revolution band in revolution hollow shaft (330) successively from top to bottom
There is upper bearing (metal) axle draw-in groove (374) in wheel section (577) and hollow shaft draw-in groove (379), upper bearing (metal) step section (373) outside；Upper bearing (metal) platform
Fixed upper revolution bearing (203), lower bearing stepped hole (252) and lower axle between rank hole (272) and upper bearing (metal) step section (373)
Fixed lower revolution bearing (302) between the cushion cap stage (372)；There is upper axle jump ring (573) in upper bearing (metal) axle draw-in groove (374),
Upper axle jump ring (573) blocks revolution bearing (203) inner ring lower section；There is upper hole jump ring in upper bearing aperture draw-in groove (278)
(572), upper hole jump ring (572) blocks revolution bearing (203) outer ring top；There is lower opening to use in lower bearing aperture draw-in groove (258)
Jump ring (553), lower opening jump ring (553) blocks lower revolution bearing (302) outer ring lower section；There is revolution in revolution belt wheel section (577)
Shaft key groove (375), there is described hollow shaft lower key (530) in revolution shaft key groove (375), revolve round the sun driven pulley (520) endoporus key
It is detachable cooperation between groove and hollow shaft lower key (530), has hollow shaft jump ring (552) in hollow shaft draw-in groove (379), revolves round the sun
Be fixed on revolution driven pulley (520) endoporus in revolution belt wheel section (577) by axle jump ring (552).
4. according to claim 1 without seal combination rotary ceramic blade stirring pulp plant, it is characterized in that：
There is driven neck bush (351) at gear box cover (363) center, has two rotation bushings (352) symmetrical on gear box cover (363)
Set in driven neck bush (351), there are 6 to 10 case lid through holes (933) on gear box cover (363) edge circumference；Gear housing
(333) there is driven top chock (321) at center, has two rotation bearing blocks (322) to be symmetrical on driven on gear housing (333)
Bearing block (321) is set, and has 6 to 10 casing screws (393) on gear housing (333) outer barrel lower surface；Driven top chock
(321) between driven neck bush (351) and described driven step (233) on same axial line, two rotations
Bearing block (322) is respectively between two rotation bushings (352) on each comfortable same axial line；
Described driven spindle (350) epimere has driven shaft boss (355), and driven shaft boss (355) upper shaft is located on driven
Among bearing block (321)；By key on driven shaft (341) transmitting torque between central gear (311) and driven spindle (350), in
Heart gear (311) is between driven neck bush (351) and driven shaft boss (355)；Driven spindle (350) passes through driven axle bush
Set (351) and revolution hollow shaft (330) through hole, driven spindle (350) upper end is located among driven top chock (321), driven
Rotating shaft (350) lower end is located among driven step (233)；Case lid screw (339) passes through case lid through hole (933) afterwards and casing
Screw (393) coordinates, and gear box cover (363) is fastened on gear housing (333) outer barrel lower surface；
Described rotation oar axle (362) epimere has axis of rotation boss (365), and axis of rotation boss (365) upper shaft is located at the axis of rotation
Among bearing (322)；By from turn key (342) transmitting torque, rotating gear between rotating gear (312) and rotation oar axle (362)
(312) between rotation bushing (352) and axis of rotation boss (365)；Two rotation oars axle (362) pass through each correspondence respectively
Rotation bushing (352)；It is to be slidably matched and rotation bushing (352) endoporus between that rotation oar axle (362) is cylindrical, rotation oar axle
(362) hypomere has rotation square shaft (364), there is 2 to 4 square shaft screws (366), stirrer paddle on every rotation square shaft (364)
(368) have blade square hole (386) on, there is a blade step through-hole (396) blade square hole (386) side, blade square hole (386) with from
Turn to be slidably matched between square shaft (364), blade screw (369) pass through blade step through-hole (396) afterwards with square shaft screw (366)
Coordinate, stirrer paddle (368) is fastened on rotation square shaft (364).
5. according to claim 1 without seal combination rotary ceramic blade stirring pulp plant, it is characterized in that：
It is to be slidably matched between driven neck bush (351) endoporus that driven spindle (350) is cylindrical, described driven spindle (350)
Hypomere has driven shaft draw-in groove (559), driven shaft pulley section (550), driven shaft thread segment (558) and driven shaft lower end section successively
(533), there is driven shaft jump ring (551) in driven shaft draw-in groove (559), have driven pulley keyway on driven shaft pulley section (550)
(557), have described driven shaft lower key (570) on driven pulley keyway (557), rotation driven pulley (560) inner hole key slot with
It is detachable cooperation between driven shaft lower key (570), rotation driven pulley (560) endoporus is located on driven shaft pulley section (550),
Driven shaft nut (580) is engaged with driven shaft thread segment (558), and rotation driven pulley (560) is close into driven shaft card
On spring (551), driven shaft lower end section (533) is among driven step (233).
6. according to claim 1 without seal combination rotary ceramic blade stirring pulp plant, it is characterized in that：
There are shaft coupling section (419), driving shaft revolution section (429), driving shaft on described active rotating shaft (450) successively from top to bottom
Rotation section (469), driving shaft thread segment (489) and driving shaft lower end section (449), have main shaft public on driving shaft revolution section (429)
Turn key groove (439), main shaft revolves round the sun, and keyway (439) is interior main shaft revolution key (430), positive coupling (410) top half and electricity
Motivation (400) output shaft coordinates, and revolution driving pulley (420) is fixed on driving shaft and revolves round the sun in section (429)；Driving shaft rotation section
(469) having in main shaft rotation keyway (479), main shaft rotation keyway (479) has main shaft from turn key (470), rotation driving pulley
(460) it is fixed in driving shaft rotation section (469), driving shaft nut (480) is engaged with driving shaft thread segment (489)；Actively
Axle lower end section (449) is among driving shaft bearing (244).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071782.1A CN106732067A (en) | 2017-02-09 | 2017-02-09 | Without seal combination rotary ceramic blade stirring pulp plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071782.1A CN106732067A (en) | 2017-02-09 | 2017-02-09 | Without seal combination rotary ceramic blade stirring pulp plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106732067A true CN106732067A (en) | 2017-05-31 |
Family
ID=58956908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710071782.1A Withdrawn CN106732067A (en) | 2017-02-09 | 2017-02-09 | Without seal combination rotary ceramic blade stirring pulp plant |
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| Country | Link |
|---|---|
| CN (1) | CN106732067A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345178A (en) * | 2022-01-05 | 2022-04-15 | 故城北新建材有限公司 | Dry material stirring device of mixing machine |
| CN115110337A (en) * | 2022-08-25 | 2022-09-27 | 诸城市天工造纸机械有限公司 | Whiteness regulating device for paper pulp |
-
2017
- 2017-02-09 CN CN201710071782.1A patent/CN106732067A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345178A (en) * | 2022-01-05 | 2022-04-15 | 故城北新建材有限公司 | Dry material stirring device of mixing machine |
| CN115110337A (en) * | 2022-08-25 | 2022-09-27 | 诸城市天工造纸机械有限公司 | Whiteness regulating device for paper pulp |
| CN115110337B (en) * | 2022-08-25 | 2022-10-28 | 诸城市天工造纸机械有限公司 | Whiteness regulating device for paper pulp |
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Application publication date: 20170531 |