CN2626601Y

CN2626601Y - Double speed stirring apparatus for reaction kettle

Info

Publication number: CN2626601Y
Application number: CN 03256008
Authority: CN
Inventors: 杨莲香
Original assignee: SHANGHAI FORERUNNER MACHINERY AND ELECTRONICS CO Ltd
Current assignee: SHANGHAI FORERUNNER MACHINERY AND ELECTRONICS CO Ltd
Priority date: 2003-07-28
Filing date: 2003-07-28
Publication date: 2004-07-21
Anticipated expiration: 2013-07-28

Abstract

A double-speed agitator for reaction kettles relates to a composite agitation apparatus and is characterized in that a speed-reducing gearbox (3) is provided on the top of a reaction kettle (8), two groups of cylindrical gears are fixedly arranged on an input shaft (32), a transition shaft (29) and a sleeve shaft (12) inside the speed-reducing gearbox (3), meeting the speed change requirements, so that the sleeve shaft (12) and a central shaft (9) (coaxially sleeved inside the sleeve shaft (12)) can drive a frame-type agitator (10) and a high-shear emulsifier (7), connected with thereof, to rotate at different speeds; a sleeve shaft moving ring (23) fixed on the sleeve shaft (12) combines with a sleeve shaft static ring (23) fixed on a mechanically-sealing seat (4) to form a mechanical seal of the reaction kettle; and a central static ring (39) fixed on the inner wall of the sleeve shaft (12) combines with a central moving ring (38) fixed on the central shaft (9) to form a high-speed mechanical seal. The utility model has good emulsification and agitation functions, and high systemic transmission efficiency (above 95%), can work under a working pressure inside the kettle ranging from -0.1 Mpa to +0.6 Mpa and under a working temperature ranging from -30 DEC C system to 180 DEC C system. The utility model is substantially free of maintenance, and is widely used in the fields of chemical industry, pharmaceutical industry and food industry.

Description

The double speed agitating device that a kind of reactor is used

Technical field

The utility model relates to industries such as chemical industry, medicine, food with material adequately emulsified mixing and emulsifying machinery in reactor.Specifically be meant to collect mulser and frame mixer in same reactor, and with the compound agitating device of different speed rotations.

Background technology

Now, to requiring to conduct heat emulsification machinery fast in high-viscosity material and the art production process, the external shaft by three coaxial lines that adopts drives the device that frame, dasher and emulsifying head rotor, stator are formed.This apparatus structure complexity, cost height, maintenance difficult.Domestic employing mulser oblique cutting and anchor formula stirring structure, but mixing effect is poor.China's utility model patent " a kind of compound mixer " (ZL01246720.0) discloses the technology that adopts the worm and gear system, connect emulsifying head by a motor and carry out emulsification, another motor is by one group of worm and gear transmission with emulsifying head driving shaft quadrature, make and stir the frame slow rotation, reach higher emulsification stirring efficiency.But, the greatest problem of this compound mixer is that the matching requirements of worm and gear are very high, general hand assembled is difficult to reach satisfactory gap precision, cause thus that worm and gear is hot, heating, noise be big, its transmission efficiency is only below 65%, because the loss of system transmissions spreads with acoustic energy and heat energy mode mostly, so running time is not long, deceleration device is overheated, and worm and gear is by wearing and tearing breaking-up fast.Secondly, the food tray height on the emulsifying head power transmission shaft is put and is rotated with power transmission shaft, deposits incessantly oil in the food tray, makes the high speed machine sealing lose oil and damages.In a word, the service life of this compound mixer is short, noise is big, it is inconvenient to use.

Summary of the invention

The purpose of this utility model provides that a kind of emulsification mixing effect is good, long service life, little, the easy to operate composite stirring equipment of noise, and it can accomplish freedom from repairs in whole life cycle, and mechanical transfer efficient is up to more than 95%, and use cost is low.

In order to achieve the above object, the utility model is performed such.The utility model comprises mixer and the mulser that places in the reactor.Mulser is connected with the emulsification motor that places the reactor top by central shaft, and the central shaft outside is with the sleeve fixed with mixer.The center line of central shaft, sleeve and the central lines of reactor.Its structural feature is: the top of reactor is provided with reduction box, by machine envelope seat reactor and reduction box is linked into an integrated entity.Inside and outside central shaft that is nested and sleeve pass machine envelope seat and reduction box simultaneously, wherein on the sleeve in the machine envelope seat vesselseals that is immersed in the lubricating oil are housed, and the sleeve stationary ring of this mechanical seal is cemented on the machine envelope seat, and the sleeve rotating ring is cemented on the sleeve.Sleeve in reduction box enlarges and increases slightly, gap between sleeve and the central shaft is increased to high speed machine sealing and centre bearing can be installed from the bottom up successively, and the center stationary ring and the sleeve of this high speed machine sealing are fixed, and center rotating ring and central shaft are fixed.Also mounting center bearing in the gap between central shaft top and the sleeve.Be connected with the emulsification motor by the central shaft shaft coupling that is provided with in the emulsification motor cabinet that is connected with reduction box, so just can mulser rotated at a high speed by technological requirement.The sleeve periphery of the top cover of reduction box and bottom half is provided with one group of cover bearing of upper and lower symmetry, but makes sleeve low speed rotation betwixt.Offer fuel feed hole and oil outlet on the sleeve, have oil guide groove on the central shaft.Lubricating oil enters the gap of central shaft and sleeve from fuel feed hole, and, stationary ring faying face aroused in interest through oil guide groove centering is lubricated and cools off.The top cover of reduction box and bottom half also are provided with upper and lower two symmetrical groups input bearing and transition bearing successively, and power shaft and transition axis are housed respectively therebetween, and the power shaft top is connected with stirring motor by the power shaft shaft coupling that is provided with in the stirring motor seat.Respectively be consolidated with two groups of roller gears setting coupling by speed change request on power shaft, transition axis and the sleeve, rotate at a slow speed with this mixer that drives on the sleeve.On the case lid of reduction box tank filler sleeve is arranged, oil ga(u)ge and outage are offered in the casing side.

Advantage of the present utility model is as follows;

Since the utility model adopt two coaxial and inside and outside the sleeve and the central shaft that are nested, central shaft and mulser are fixed, fast rotational, sleeve and mixer are fixed, and reach the rotation of setting by the deceleration of reduction box secondary roller gear.Therefore compare with the speed changing structure of worm and gear, not only its emulsification mixing effect is good, and the efficiency of transmission of system can reach freedom from repairs substantially up to more than 95%.

The two commercially available mechanical seals of cover (the standard reduction box adopts outside framework oil seal usually) adopted of the utility model make reactor can bear-0.1～+ operating pressure of 0.6Mpa ,-30 ℃～+ 180 ℃ operating temperature.

3. the utility model is reasonable in design, simple in structure.Sleeve is made hollow shaft, and increased in the gap between sleeve and the central shaft dexterously and can utilize the bearing of gap mounting center axle, make the interior high speed dispersion of reactor or the power of high shearing mixing emulsor be able to be input in the reactor by the spigot shaft coaxle heart.

4. the rotating ring owing to a cover high speed machine sealing (also being standard component) of being equipped with on the central shaft of the present utility model rotates at a high speed with central shaft, stationary ring then is seated on the interior seal receptacle of sleeve, with the sleeve low speed rotation, the utility model can be lubricated, cool off sealing surface and central shaft by turnover oilhole on the sleeve and the oil groove on the central shaft, has solved the lubrication problem of high speed machine sealing dexterously.

Description of drawings

Fig. 1 is a structural representation of the present utility model

Fig. 2 is the structural representation of reduction box

Fig. 3 is two cover mechanical seal scheme of installations

The specific embodiment

See also accompanying

drawing

1,2,3.The utility model Fig. 1 comprises emulsification motor 1, emulsification motor cabinet 2, reduction box 3, machine envelope seat 4, manhole 5, drain hole 6, high-shear emulsion machine 7, reactor 8, central shaft 9, frame mixer 10, visor 11, sleeve 12, the dirty hole 13 of oil extraction, outage 14, oil ga(u)ge 15, tank filler sleeve 16, stirring motor seat 17 and stirring motor 18.Fig. 2 and 3 comprises centre bearing lid 19, centre bearing 20, cover bearing 21, low-speed gear 22, sleeve rotating ring 23, sleeve stationary ring 24, transition bearing cap 25, transition bearing 26, input bearing cap 27, input bearing 28, transition axis 29, transition gear 30, change-speed gearing 31, power shaft 32, input gear 33, power shaft shaft coupling 34, central shaft shaft coupling 35, seal receptacle 36, oil guide groove 37, center rotating ring 38, center stationary ring 39, fuel feed hole 40 and oil outlet 41.

Frame mixer 10 and high-shear emulsion machine 7 are arranged in the reactor 8.Mulser 7 is connected with the emulsification motor 1 that places reactor 8 tops by central shaft 9.Central shaft 9 outsides are with the hollow sleeve 12 fixed with frame mixer 10.The central lines of the center line of central shaft 9, sleeve 12 and reactor 8.Be characterized in: the top of reactor 8 is provided with reduction box 3, by machine envelope seat 4 reactor 8 and reduction box 3 is linked into an integrated entity.Inside and outside central shaft that is nested 9 and sleeve 12 pass machine envelope seat 4 and reduction box 3 simultaneously, wherein on the sleeve 12 in the machine envelope seat 4 vesselseals that is immersed in the lubricating oil is housed, the sleeve stationary ring 24 of this mechanical seal is cemented on the machine envelope seat 4, sleeve rotating ring 23 is cemented on the sleeve 12, rotates at a slow speed with sleeve 12.The dirty hole 13 of oil extraction also is housed on the machine envelope seat 4.Sleeve 12 in the reduction box 3 increases slightly with the gap enlargement between the central shaft 9, gap between sleeve 12 and the central shaft 9 is increased to commercially available tungsten carbide of nickel-base high speed machine can be installed from the bottom up to seal and centre bearing 20.Process for convenience, reduce production costs, sleeve 12 can be made two body structures: the upper end is made by common material, in order to transferring power, and as the bearing block of central shaft 9; The bottom makes of stainless steel, can stand the erosion of chemical solvent in the reactor.Two partly pass through compression joint technique when pre-assembled up and down, make it to form a global facility.The center stationary ring 39 of high speed machine sealing is fixed by seal receptacle 36 with the hollow inwall of sleeve 12, center rotating ring 38 is fixed with central shaft 9, in the gap between central shaft 9 tops and the sleeve 12 centre bearing 20 has been installed also, by with emulsification motor cabinet 2 that reduction box 3 is connected in the central shaft shaft coupling 35 that is provided be connected with emulsification motor 1, so can high-shear emulsion machine 7 be rotated at a high speed by technological requirement.The top cover of reduction box 3 and bottom half are provided with one group (two) cover bearing 21 of upper and lower symmetry, make sleeve 12 betwixt by deceleration requirement low speed rotation, stir at a slow speed thereby drive frame mixer 10.Offer upper and lower two groups of fuel feed holes 40 and oil outlet 41 on the sleeve 12, lubricating oil in the reduction box enters the gap of central shaft 9 and sleeve 12 from fuel feed hole 40, and the dynamic and static ring sealing surface of 37 pairs of high speed machines sealings of the oil guide groove on central shaft is lubricated and cools off.The top cover of reduction box 3 and bottom half also are provided with the input bearing 28 and the transition bearing 26 of upper and lower symmetry successively, and the outside of input bearing 28 and transition bearing 26 also is equipped with input bearing cap 27 and transition bearing cap 25 respectively.Corresponding with it power shaft 32 and transition axis 29 are housed respectively in two groups of bearings 28 and 26.Power shaft 32 tops are connected with stirring motor 18 by the power shaft shaft coupling 34 that is provided with in the stirring motor seat 17.Respectively be consolidated with two groups of roller gears setting coupling by speed change request on power shaft 32, transition axis 29 and the sleeve 12, wherein import gear 33 and change-speed gearing 31 couplings, transition gear 30 and low-speed gear 22 couplings, rotate at a slow speed with this mixer that drives on the sleeve 12, become the double speed composite stirring equipment of concentric different rotating speeds of the present utility model.Establish tank filler sleeve 16 on the top cover of reduction box 3, oil ga(u)ge 15 and outage 14 are established in the casing side.

Brief introduction of work principle is as follows:

The power of frame mixer 10 offers power shaft 32 by stirring motor 18, on the change-speed gearing 31 of input gear 33 with transmission of power assembling to the transition axis 29 of processing on the power shaft 32, is delivered on the transition axis 29 again.In this transmittance process, realize the one-level deceleration.Equally, the transition gear 30 of processing is gone up transmission of power on the low-speed gear 22 of assembling to sleeve 12 (axle that is connected with frame mixer 10) on the transition axis 29, is delivered on the sleeve 12 again.In this transmittance process, realized second level deceleration.The sleeve 12 fixed with frame mixer 10 directly stretches in the reactor 8, will give the stirring frame through the transmission of power behind the double reduction by relevant connector.

In the course of the work, lubricating oil in the reduction box 3 enters in the sleeve 12 by the fuel feed hole on the sleeve 12 40, oil guide groove on the central shaft 9 37 dynamic and static ring faying face (sealing surface) that enters into high speed machine sealing is located again, thereby this mechanical seal is played lubricated and cooling effect.

Claims

1. the double speed agitating device that reactor is used comprises frame mixer (10) and high-shear emulsion machine (7) in the reactor (8), and high-shear emulsion machine (7) is connected with the emulsification motor (1) that places reactor (8) top by central shaft (9); Central shaft (9) outside is with the sleeve (12) fixed with frame mixer (10), the central lines of the center line of central shaft (9), sleeve (12) and reactor (8), it is characterized in that: the top of reactor (8) is provided with reduction box (3), by machine envelope seat (4) reactor (8) and reduction box (3) is linked into an integrated entity; Inside and outside central shaft that is nested (9) and sleeve (12) pass machine envelope seat (4) simultaneously and enter reduction box (3), and the vesselseals that sleeve stationary ring (24) and sleeve rotating ring (23) are formed is installed on the sleeve (12) in machine envelope seat (4); Sleeve stationary ring (24) is cemented on the machine envelope seat (4), and sleeve rotating ring (23) is cemented on the sleeve (4); Sleeve (12) in the reduction box (3) enlarges and increases slightly, gap between sleeve (12) and the central shaft (9) is increased to high speed machine sealing and centre bearing (20) can be installed from the bottom up, the center stationary ring (39) of this high speed machine sealing is fixed with the hollow inwall of sleeve (12), center rotating ring (38) is fixed with central shaft (9), and central shaft (9) is provided with oil guide groove (37); Also mounting center bearing (20) in the gap between central shaft (9) top and the sleeve (12), by with emulsification motor cabinet (2) that reduction box (3) is connected in the central shaft shaft coupling (35) that is provided be connected with emulsification motor (1); The top cover of reduction box (3) and bottom half are provided with one group of cover bearing (21) of upper and lower symmetry, offer fuel feed hole (40) and oil outlet (41) on the sleeve (12); The top cover of reduction box (3) and bottom half also are provided with the input bearing (28) and the transition bearing (26) of two groups of upper and lower symmetries successively, corresponding with it power shaft (32) and transition axis (29) are housed respectively in the bearing, and power shaft (32) top is connected with stirring motor (18) by the power shaft shaft coupling (35) that is provided with in the stirring motor seat (17): respectively be consolidated with two groups of roller gears setting coupling by speed change request on power shaft (32), transition axis (29) and the sleeve (12); The top cover of reduction box (3) is provided with tank filler sleeve (16), and oil ga(u)ge (15) and outage (14) are offered in the casing side.

2. the double speed agitating device that a kind of reactor according to claim 1 is used, it is characterized in that: sleeve (12) can be made two body structures, and the upper end is made by common material, and the bottom makes of stainless steel, two parts by compression joint technique, make it to form a global facility when pre-assembled up and down.