CN2423949Y

CN2423949Y - Mechanical sealing device for agitated reactor

Info

Publication number: CN2423949Y
Application number: CN 00236947
Authority: CN
Inventors: 曹树林
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-10-18
Filing date: 2000-05-29
Publication date: 2001-03-21
Anticipated expiration: 2010-05-29

Abstract

The utility model comprises an upper moving ring (33), a lower moving ring (14), stator rings (34), (16), O-shaped rubber rings (32), (30), a small spring (31), a shaft sleeve (15), a bridge shaft (24), a sealing base, a shaft coupler component, etc. The bridge shaft (24), bearing rings (22), rolling bearings (8), thrust bearings (9), an upper shaft journal (6) has the advantages of controlling the swing of the shaft, balancing the axial thrust, being convenient to disassemble and assemble, etc. An aligning device (4) is driven along a self-regulated axial cord for protecting a device. The sealing base (25) is provided with cooling water inlet channels and cooling water outlet channels, and a sealing box (29) is provided with cooling water inlet channels and cooling water outlet channels. The a level meter is assembled on a return circuit of lubricating fluid in a sealed box (11) and monitors level fluctuation. The device has the advantages of good sealing, long service life, convenient piece changing, high safety, high temperature resistance, high pressure resistance, medium speed, and deep etching resistance and is a useful device for chemical industries, light industries, medical preparation industries, metallurgy industries, etc.

Description

Reactor jar mechanically-sealing apparatus

The utility model relates to a kind of reactor jar mechanically-sealing apparatus under high temperature, high pressure, middling speed, the deep-etching condition, and it is applicable to the sealing of industry reactor jars such as chemical industry, light industry, medicine, metallurgy, food.

The all mechanically-sealing apparatus of existing reactor jar, kind is more, and structure is different, but is used for the few in number of HTHP middling speed deep-etching condition.Also there is weak point fully, this practical example of Chinese patent 942425413 vesselseals devices, though adopt the dismountable type bearing to connect, dismantle more convenient, but still need dismounting hang out the former moving reductor in top, motor, still show time-consuming, and still have fit clearance during the dismountable type bearing operation, still serious at high speed running middle (center) bearing and sealing part abrasion, it is frequent that part is changed in maintenance.

The utility model, be based on dismantling more convenient, more reasonable structure, sealing effectiveness is better, longer service life and designing has overcome the deficiencies in the prior art.

By the reactor jar mechanically-sealing apparatus of this purpose design, comprise stationary ring, rotating ring, O shape rubber ring, spring, axle sleeve, coupling assembly, seal receptacle, seal box, bearing block, gap bridge axle and lubricating and cooling system up and down.Be characterized between speed reducer output shaft and the shaft that be provided with the interior step of seal receptacle and place restrictions on the axle downslide of passing a bridge, the span of opening that supplies dismounting is left in its upper end, is provided with the coupling assembly of self-regulated axis transmission whereby.Be that the first line of a couplet cooperates with output shaft, the second line of a couplet is slidingly matched with the axle of passing a bridge, and the centre is equipped with middle, claw aligning device, rubbing property of composition transition self-regulated journal offset shaft coupling assembly.Axle sleeve and sealing function spare are equipped with in a gap bridge axle stage casing, reach the purpose of sealing.

The utility model and same device technology are according to following advantage is arranged:

1. coupling assembly, come loose caging bolt and first line of a couplet bolt, middle can radially shifting out forms neutral gear (axle of passing a bridge this moment place restrictions in seal receptacle on the step).Following related components is dismounting one by one all.

2. the axle of passing a bridge has drawn back spacing with output shaft, and joins among the coupling assembly, the transition each other of claw aligning device, rubbing property, self-regulated axis drive mechanism, and easy for installation, saving of work and time, maintenance cost is low.

3. in seal receptacle is designed to stretch still jar neck, give reasonable assembly space of bearer ring, it and upper bearing constitute the steady running bridge location, and the heavy curtain of having controlled the seal section axle is moving, and its sealing mechanism, performance further improve, and seal life prolongs, and produces continual and steady.

4. the axle of passing a bridge can dock in the seal receptacle, overcome shaft whereabouts accident and careless because of installing, accidents such as the broken frangible silicon ceramic ring of the improper sled of the application of force, having overcome auxiliary maintenance, to change part labour intensity big, auxilliary worker is many, delay time at stop is long, needs lifting not hang out time-consuming troubles such as heavy machinery fully, drawbacks such as influence production.

Accompanying drawing is reactor jar mechanically-sealing apparatus example structure master cutaway view.Its axle of passing a bridge upward connects with speed reducer output shaft by coupling assembly; Tighten with shaft nose cone face screw thread down and be connected.Seal receptacle flange and still jar neck fastening connection of flange bolt, TA type frame (not shown) carrying reductor and motor promptly are this structure accompanying drawing in the empty frame under the frame.

Now embodiment describes in detail in conjunction with the accompanying drawings.

Axle 24 lower ends of passing a bridge are stretched in the reactor jar and are stirred spindle nose inner conical surface screw thread and screw anti-nut locking.Its epimere axle journal 6 step places are that detachable coaxial inner conductor connects rigid body, and the conical surface is threaded, and by locking card 47 an anti-loose shift, are beneficial to the dismounting of black box.The axle 24 of passing a bridge is got out of a predicament or an embarrassing situation, and is subject on bearer ring 22 steps, and pass a bridge axle 24 stage casing assembling sleeves 15 and the rotating ring up and down 33,14 of assembling that matches thereof of being highly advantageous to cooperates with stationary ring 34,16 end faces up and down.Spring base is fixed on the axle sleeve 15 by screw 13 between rotating ring 33,14 up and down.Little spring 31 is stretched and is pressed down rotating ring 33,14, makes stationary ring 34,16 mating surfaces that contact pressure be arranged.Rotating ring 33,14 and axle sleeve 15 air gaps are embedded with O type ring 32,30 up and down.Following stationary ring 16 is limited to seal receptacle 25 upper surfaces by Xiao Ding 21.Last stationary ring 34 is limited to bearing block 37 bottom surfaces by Xiao Ding 36.Axle sleeve 15 upper ends and 24 on the axle of passing a bridge are provided with nut 46 and compress seal washer, and the gap is sealed and matched.Upper-lower

seal packing ring

35,20 is equipped with at stationary ring 34,16 two ends up and down.Seal its fit-up gap.Seal receptacle stretches into for 25 times in the reactor jar neck, in be press-fitted bearer ring 22, be equipped with seal washer 23 under it, in the anti-lubricating fluid seepage still jar.Pass a bridge axle 24 and bearer ring 22 for being slidingly matched, and its step is placed restrictions on the axle 24 of passing a bridge and is not glided, and helps dismounting, the installation of each seal of top.The bearer ring 22 peripheries cooling water channel that is periphery, 26 advance, and 18 go out, and cooling water is taken away bearer ring frictional heat conduction exchange.Seal receptacle 25 flanges and the assembling of still jar neck flange seam, tighten by bolt 19, upper end seam and the assembling of seal box 29 lower flange seams, tighten by bolt 17, be marked with seal lubrication liquid in the seal box 29, there is liquid level gauge (48) UNICOM to advance in (11), on lubricating fluid loop in the seal box, monitoring liquid level fluctuation and change.Its interlayer leads to cooling water, and 28 advance, and 12 go out, outside lubricating fluid heat of high temperature conduction exchange outlet.Its upper flanges cooperates with bearing block 37 bottom seams, is tightened by bolt 10.Assembling rolling bearing 8 in the bearing block 37, the thrust bearing 9 and axle epimere axle journal 6 stationary fits of passing a bridge form corresponding bridge location with lower shaft carrier ring 22, and control gap bridge axle heavy curtain is moving.And balancing axial thrust, make it steady running.Bearing cap 7 seams compress rolling bearing 8 outer rings, are tightened by screw 38 to cover completely on bearing block.Coupling assembly is by the first line of a couplet 2, middle 3, claw aligning device 4, the second line of a couplet 5, filler ring 39, caging bolt 42 is combined integrated, the second line of a couplet 5 is slidingly matched with axle epimere axle journal 6 axle heads of passing a bridge, place restrictions on the garden cycle slip by key 40, with claw aligning device 4 blossom type claw engagement each other, be provided with gap adjustment journal offset amount on it.Claw aligning device 4 cooperates with middle 3 convex-concave catchings each other, leaves automatic slippage offset, forms rubbing property of self-regulated axis transmission group zoarium, and middle 3 cooperate with the first line of a couplet 2 seams, are tightened by bolt 44.The first line of a couplet 2 cooperates by key 45 with speed reducer output shaft 1 places restrictions on the garden cycle slip, and axle head is established screw 43 and tightened plate washer, compresses the first line of a couplet.In connection 3 with claw aligning device 4, the gap is set up by caging bolt 42 up and down.During assembling, last lower shaft can not accurately be aligned to same axis, transfers quite greatly to difficulty, time-consuming, but claw aligning device 4 is housed, and it is fast just to reach assembling, goes slick the effect that parts are injury-free.It is also very simple to change part dismounting, as long as looser a bolt 44 and caging bolt 42, connection 3 during level shifts out takes out claw aligning device 4 neutral gear spacings and occurs, below each part can realize orderly dismounting.

Claims

1. reactor jar mechanically-sealing apparatus, comprise stationary ring (34) up and down, (16), rotating ring (33), (14), O type rubber ring (32), (30), little spring (31), axle sleeve (15) and coupling assembly, seal receptacle, seal box, bearing block, gap bridge axle and lubricating and cooling system, it is characterized in that the second line of a couplet (5) and seal receptacle (25) inner bearing collar (22) and shaft assemble one by the axle (24) of passing a bridge, its epimere axle journal (6) is slidingly matched with the second line of a couplet (5), place restrictions on its garden cycle slip by key (40), tighten plate washer in axle head by screw (41), place restrictions on the second line of a couplet (5) landing, axle (24) the hypomere step of passing a bridge is subject on seal receptacle (25) inner bearing collar (22) step.

2. reactor jar mechanically-sealing apparatus as claimed in claim 1 is characterized in that, the first line of a couplet (2), and middle (3), claw aligning device (4), the second line of a couplet (5) is assembled into the shaft coupling assembly by filler ring (39) caging bolt (42).Claw aligning device (4) cooperates for the convex-concave claw with middle (3), and caging bolt (42) is regulated its gap up and down, claw aligning device (4) and the second line of a couplet (5) blossom type claw engagement each other, and fit clearance is in the adjustment state of vacillating automatically greater than the journal offset amount.

3. reactor jar mechanically-sealing apparatus as claimed in claim 1, it is characterized in that seal receptacle (25) is designed to down stretch in the still jar neck, in be press-fitted bearer ring (22) and pass a bridge relative the placing restrictions on of axle (24) step, its hypomere axle journal and bearer ring (22) are for being slidingly matched, and with upper bearing (8) thrust bearing (9), form bridge location supporting and balancing axial thrust structure.Being provided with cooling water channel (26) in the seal receptacle (25) enters (18) and goes out.

4. reactor jar mechanically-sealing apparatus as claimed in claim 1, axle (24) the hypomere axle journal that it is characterized in that passing a bridge is provided with step, can be parked on seal receptacle (25) inner bearing collar (22) step during dismounting assembling, gap bridge axle 24, epimere axle journal (6) is that the detachable conical surface is threaded into the coaxial inner conductor rigid body from the step of thrust bearing (9), by the anti-axle of locking card (47) loose shift, the utmost point is beneficial to and changes the part disassembling section.

5. reactor jar mechanically-sealing apparatus as claimed in claim 1 is characterized in that seal box (29) upper flanges cooperates with bearing block (37) seam, is tightened by bolt (10), and following end flanges cooperates with seal receptacle (25) seam.Tightened by bolt 17, the casing interlayer leads to cooling water (28) and enters (12) and go out, and box cavity is marked with seal lubrication liquid, has liquid level gauge (48) UNICOM to advance in (11), on lubricating fluid loop in the seal box, and monitoring liquid level fluctuation and change.

6. reactor jar mechanically-sealing apparatus according to claim 1, it is characterized in that having on the bearing block (37) bearing cap (7) seam compression fit to tighten by screw (38), cooperate with seal box (29) upper flanges seam down, tighten by bolt 10, inner chamber assembling thrust bearing (9) and rolling bearing (8), with section axle journal (6) stationary fit on the axle (24) of passing a bridge, overcome the moving and axial force of axle 24 heavy curtains of passing a bridge.