CN2813085Y

CN2813085Y - Stirring pot

Info

Publication number: CN2813085Y
Application number: CN 200520035320
Authority: CN
Inventors: 胡孝荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-30
Filing date: 2005-08-30
Publication date: 2006-09-06
Anticipated expiration: 2015-08-30

Abstract

The utility model relates to a chemical reaction device, particularly a stirring kettle. The utility model is provided with a kettle body and a planetary frame type stirring mechanism. The planetary frame type stirring mechanism comprises a sun gear wheel, a planetary gear wheel, a stirring frame and stirring paddles. The utility model is characterized in that the utility model is provided with a bearing seat of the planetary gear wheel; a bearing of the planetary gear wheel is fixed on the bearing seat of the planetary gear wheel; the bearing seat of the planetary gear wheel is fixed on the stirring frame through an open type connection structure. As the utility model has improvement on the stirring structure of the product, the manufacture, the processing, the installation and the maintenance of the product are convenient, the stirring dead center on the bottom of the stirring kettle is favorably eliminated, the flowing and the stir of the material are thorough, the reaction is quick and complete, and operators accurately measure the material temperature in the kettle body.

Description

Stirred tank

Technical field

The utility model relates to a kind of chemical reaction equipment, especially a kind of stirred tank.

Background technology

Stirred tank is a kind of equipment that uses in Chemical Manufacture, for the material that participates in reaction being stirred fully and mixing, is provided with rabbling mechanism especially in stirred tank.Existing mixing effect better and the stirred tank that is specially adapted to LUBRICATING GREASES be a kind of stirred tank that disposes planetary frame formula rabbling mechanism.In this stirred tank, set planetary frame formula rabbling mechanism is mainly by sun gear, planetary gear, composition such as agitator frame and stirring blade, its sun gear, planetary gear, agitator frame and stirring blade all are positioned at kettle, sun gear is fixed on the kettle, the rotating shaft of described agitator frame is stretched into kettle from the kettle top and is passed the center of sun gear, agitator frame is fixed in the rotating shaft of this agitator frame, set planetary wheel shaft is supported by agitator frame, stirring blade is fixed on the planetary wheel shaft, and planetary gear and sun gear are meshing with each other.In above-mentioned existing product, in the rotating shaft both sides of agitator frame a planetary gear that is meshed with sun gear can be set respectively, and on same planetary wheel shaft, can fix a plurality of stirring blades that are positioned at differing heights simultaneously usually.Therefore, when the rotating shaft of agitator frame drives the agitator frame rotation, planetary wheel shaft can move together along with agitator frame (revolution), simultaneously, because planetary gear can roll along the edge of the sun gear that is engaged with, thereby planetary wheel shaft is rotated, and then drive the stirring blade rotation.So in above-mentioned existing product, planetary wheel shaft has the revolution of moving together along with agitator frame, the rotation that has the engagement because of planetary gear and sun gear to bring again, and then reached a kind of mixing effect preferably.

But, above-mentioned existing product also exists following defective: a, directly fixedlys connected with agitator frame in order to the planetary gear bearing of planetary gear bearing wheel shaft, common mode is: directly in perforate on the agitator frame and put into planetary gear bearing in the hole, in the mode of welding the planetary gear bearing box is directly fixedlyed connected with agitator frame then.Owing to be provided with a planetary gear that is meshed with sun gear respectively, therefore, need open three holes respectively, to settle agitator frame rotating shaft and planetary gear bearing at agitator frame top frame and bottom frame in the rotating shaft both sides of agitator frame.Needs in view of planetary gear and sun gear engagement, the axial line in three holes of agitator frame top frame and three holes of bottom frame needs very accurately location, and three axial line needs parallel fully, its machining accuracy is very high, brought very big difficulty for the processing of agitator frame, the production cost is improved; B, when needs to planetary gear wheel shaft or stirring blade, when planetary gear bearing overhauls, whole agitator frame will be pulled out in kettle usually, caused the product inconvenient maintenance; C, temperature rising in whipping process, the temperature distortion of agitator frame possibility influences the depth of parallelism of above-mentioned three axial lines, thereby has increased the rotary resistance of planetary frame formula rabbling mechanism, even this mechanism can not be rotated.In addition, in existing product, the bottom of inner wall of kettle is generally half-oval shaped, causes material to be deposited on the central part of inner wall of kettle bottom easily and can not get abundant stirring, and then the material in the kettle can not fully be reacted, influenced the quality of final finished (as lubricating grease).Therefore, above-mentioned existing product need improve.

The utility model content

The purpose of this utility model is that the stirring structure to above-mentioned existing stirred tank improves, and fails to reach problems such as the best with the manufacturing inconvenience, inconvenient maintenance, the mixing effect that solve existing product.

Stirred tank of the present utility model has kettle and planetary frame formula rabbling mechanism, described planetary frame formula rabbling mechanism comprises sun gear, planetary gear, agitator frame and stirring blade, described sun gear, planetary gear, agitator frame and stirring blade all are positioned at kettle, described sun gear is fixed on the kettle, the rotating shaft of described agitator frame is stretched into kettle from the kettle top and is passed the center of sun gear, described agitator frame is fixed in the rotating shaft of this agitator frame, described planetary gear is meshed with sun gear, described stirring blade is fixed on the planetary wheel shaft, described planetary wheel shaft is nested with in the star gear-bearing of being expert at, it is characterized in that being provided with the planet pin bearing, described planetary gear bearing is fixed on this planet pin bearing, and described planet pin bearing is fixed on the agitator frame through the openable syndeton.

In the utility model, owing to be provided with in order to the fixing planet pin bearing of planetary gear bearing, and allow this planet pin bearing be fixed on the agitator frame through the openable syndeton, promptly adopted and be convenient to the planet pin bearing dismantled from agitator frame, it can produce following technique effect: a, detachable planet pin bearing can adopt multiple mode of the prior art fixing on agitator frame, as adopting bolting or flange fixed form simply, so can assemble easily by planetary gear, planetary wheel shaft, planetary gear bearing, the planetary gear agitating unit that planet pin bearing and stirring blade constitute, and make the difficulty of processing of agitator frame reduce greatly, correspondingly make the making of product and processing more simple.B, planetary gear wheel shaft or planetary gear bearing, when need overhauling, can dismantle easily stirring blade, and need not as existing apparatus, whole agitator frame be pulled out in kettle, the check man only needs detachable planet pin bearing is unloaded from agitator frame, again parts such as planetary gear wheel shaft, stirring blade, planetary gear bearing are taken out in the kettle and get final product, after maintenance is finished, also can easily above-mentioned parts be installed in the kettle.C, can allow set planetary gear bearing seat be positioned on the lateral wall of agitator frame, at this moment, just only need to offer a hole that is used to settle the agitator frame rotating shaft respectively at the top of agitator frame frame and bottom frame, thereby the parallel needs of aforementioned three axis have been removed from, greatly reduced the difficulty of agitator frame processing, made the making processing of product more simple.

In the utility model, the above-mentioned openable syndeton that is used for fixing the planet pin bearing can be arranged on clamp or the similar structures that being used on the agitator frame locks the planet gear shaft holder, also can be to be used to realize similar structures such as the connecting bolt that is connected between planet pin bearing and the agitator frame or adpting flange.

In the utility model, on same planetary wheel shaft, fix a stirring blade at least, but mode is to fix a plurality of stirring blades that are positioned at differing heights on same planetary wheel shaft simultaneously preferably, this point and existing apparatus are similar.

More convenient for the making, processing, installation and the maintenance that make product, the utility model recommends planetary bearing to adopt the automatic aligning spherical bearing, promptly allows planetary axle sleeve place in this automatic aligning spherical bearing.Adopt after this preferred bearing arrangement, can eliminate the alignment error of bringing when the planetary gear wheel shaft is installed, reduce the assembling difficulty, and compensate agitator frame deformation automatically and the rotating shaft displacement that brings, make that to stir running more steady.

In the utility model, can also further do following further improvement to product: set up bottom agitator arm at the autoclave body bottom of stirred tank by bottom agitator arm drive mechanism, thus the stirring dead point of eliminating the stirred tank autoclave body bottom fully.Specifically, promptly be in product, to set up bottom agitator arm and bottom agitator arm driving mechanism, described bottom agitator arm is arranged in the kettle and is positioned at autoclave body bottom, and the wheel shaft of described bottom agitator arm and bottom agitator arm driving mechanism are in transmission connection.

In the utility model, the bottom agitator arm can be multiple version, and it can also adopt versions such as existing oar blade type or worm-gear type except can adopting the impeller form with a plurality of blades.

With regard to the utility model, above-mentioned bottom agitator arm driving mechanism can be multiple version, the simplest form is exactly an impeller drive shaft that is stretched into kettle and be connected with the bottom agitator arm by autoclave body bottom, when using this device, only the drive motors of this impeller drive shaft and peripheral hardware need be in transmission connection gets final product.Certainly, comparatively common version is: constitute above-mentioned bottom agitator arm driving mechanism by motor and transmission mechanism (can contain gear).Herein, the wheel shaft of described bottom agitator arm can parallel with the rotating shaft of agitator frame, also can be not parallel.

The utility model special recommendation constitutes above-mentioned bottom agitator arm driving mechanism by motor and magnetic driving mechanism, in this case, can allow the power intake of magnetic driving mechanism be connected, and allow the clutch end of magnetic driving mechanism be connected with the wheel shaft of bottom agitator arm with the clutch end of motor.When allowing the power intake of magnetic driving mechanism be connected, also can be provided with transmission and gear at the clutch end of motor with the clutch end of motor; When allowing the clutch end of magnetic driving mechanism be connected with the wheel shaft of bottom agitator arm, the clutch end of magnetic driving mechanism can directly be fixedlyed connected with the wheel shaft of bottom agitator arm, but also can pass through transmission and gear by being in transmission connection between the two.

Need to prove, why special recommendation is adopted magnetic driving mechanism to the utility model in the agitator arm driving mechanism of bottom, be because if adopt common mechanical drive mode, at the autoclave body bottom movable sealing structure of will having to be provided with, and existing various movable sealing structure all exists complex structure, cost of manufacture height, is easy to produce all disadvantages of seepage.And after having adopted magnetic driving mechanism, the hermetically-sealed construction of autoclave body bottom is a static seal, thereby can solve up hill and dale because of the variety of problems that movable sealing produces is set, and prevents from effectively to produce seepage because of setting up the bottom agitator arm in position, still bottom.

In the utility model, after the bottom agitator arm of having set up at the autoclave body bottom of stirred tank by bottom agitator arm drive mechanism, just can change kettle bottom material deposition fully, stir ineffective situation, make the material in kettle centre be forced drop-down by strong axial-flow type stirring, forming stronger levels material convection current mixes, make the contact of reactant more extensive, react more complete.Simultaneously, owing in stirred tank, be provided with, following two rabbling mechanisms, therefore can satisfy the technological requirement of some specialities kind, start rabbling mechanism (the bottom rabbling mechanism that promptly increases newly) down as can not starting rabbling mechanism (being original planetary frame formula rabbling mechanism), also can not start following rabbling mechanism and start rabbling mechanism, can also start under the situation of two groups of rabbling mechanisms at the same time, be equipped with buncher or speed governing transmission mechanism, mix multiple on, the rotating speed combining form of following stirring is to satisfy the technological requirement of different product kind.

In addition, in the utility model, described bottom agitator arm can be arranged on the central part of autoclave body bottom, simultaneously, can also allow the inwall of autoclave body bottom upwards swell gradually to this autoclave body bottom central part especially from the kettle periphery.Carry out after the above-mentioned improvement, being very beneficial for material is flowed to periphery along the bottom by the kettle center earlier, on the kettle sidewall, flow again, it is downward again to flow to the center again, make material form from-inner-to-outer, from outer to inner, from down to up, flowing from top to bottom again, this mobile chance that material is heated that increased has also increased the contact area between the reactant simultaneously, can make reaction more rapid, complete.

Also it should be noted that: in existing stirred tank, because it only is provided with planetary frame formula rabbling mechanism, when needs are measured temperature of charge, be difficult to find desirable point for measuring temperature, temperature transducer is difficult to stretch into the frame position place that has side scraper, even stretch into also very shortly, can not measure the comparatively fierce temperature of charge that flows (in the past normally in the centre of kettle).And after the bottom agitator arm of having set up by bottom agitator arm drive mechanism, the material fluidity of autoclave body bottom position is fine, therefore only need to stretch into sensor from autoclave body bottom, just sensor can be placed the fiercest position of Flow of Goods and Materials, therefore can record temperature of charge very accurately, thereby help controlling the process of reaction.

Compared with the aforementioned existing similar products, because the utility model improves the stirring structure of product, make making, processing, installation and the maintenance of product more convenient, and help eliminating the stirring dead point that is positioned at stirred tank bottom, mobile and the mix of material is more abundant, can make reaction more rapid, complete, be convenient to the operator and measure the interior temperature of charge of kettle exactly.The kettle top of the utility model stirred tank can be uncovered form, also can be closing form, thereby constitutes no pressure type or the pressure type stirred tank is arranged.

Content of the present utility model further illustrates with the following Examples, but content of the present utility model is not limited only to content related among the embodiment.

Description of drawings

Fig. 1 is the structural representation of stirred tank among the embodiment.

Fig. 2 is the structural representation of bottom agitator arm driving mechanism.

The specific embodiment

As Fig. 1, shown in 2, stirred tank in the present embodiment has kettle 1 and planetary frame formula rabbling mechanism, described planetary frame formula rabbling mechanism comprises sun gear 2, planetary gear 3, agitator frame 4 and stirring blade 5, described sun gear 2, planetary gear 3, agitator frame 4 and stirring blade 5 all are positioned at kettle 1, described sun gear 2 is fixed on that (sun gear 2 is fixed on the kettle 1 by axle sleeve 19 and support 20 successively in this example on the kettle 1, but also can pass through other fixed structure, as similar structures such as pull bars sun gear 2 is fixed on the kettle 1), the rotating shaft 6 of described agitator frame is stretched into kettle 1 and is passed the center (promptly having passed axle sleeve 19 this example) of sun gear 2 from the kettle top, described agitator frame 4 is fixed in the rotating shaft 6 of this agitator frame, described planetary gear 3 is meshed with sun gear 2, described stirring blade 5 is fixed on the planetary wheel shaft 7, described planetary wheel shaft 7 is nested with in planetary gear bearing 16, it is characterized in that being provided with planet pin bearing 15, described planetary gear bearing 16 is fixed on this planet pin bearing 15, and described planet pin bearing 15 is fixed on the agitator frame 4 through openable syndeton 18.In the present embodiment, the openable syndeton 18 that is adopted is connecting bolt.But, above-mentioned openable syndeton 18 both can be simply by being arranged on clamp or the similar structures replacement that being used on the agitator frame locks the planet gear shaft holder, also can replace by similar structures such as adpting flanges, this alternative very simple, no longer describe in detail herein.

Described planetary gear bearing 16 in the present embodiment is the automatic aligning spherical bearing, and described planetary wheel shaft 7 is placed in this automatic aligning spherical bearing.Need to prove, because set automatic aligning spherical bearing has directly adopted commercially available product, so locate no longer to provide its detail of construction.

In addition, in the present embodiment, set planet pin bearing 15 is positioned on the lateral wall 17 of agitator frame 4.

In order to strengthen mixing effect, be provided with bottom agitator arm 8 and bottom agitator arm driving mechanism in the stirred tank of present embodiment, described bottom agitator arm 8 is arranged in the kettle 1 and is positioned at autoclave body bottom, and the wheel shaft 9 and the bottom agitator arm driving mechanism of described bottom agitator arm are in transmission connection.

In the present embodiment, described bottom agitator arm driving mechanism is made of motor 10 and magnetic driving mechanism, the power intake of described magnetic driving mechanism is connected with the clutch end of motor 10, and the clutch end of described magnetic driving mechanism is connected with the wheel shaft 9 of bottom agitator arm.

With regard to present embodiment, the power intake of magnetic driving mechanism is the permanent magnet 11 of fixedlying connected with machine shaft, and the clutch end of magnetic driving mechanism is the permanent magnet 12 that is connected with the wheel shaft 9 of bottom agitator arm.When driven by motor permanent magnet 11 rotates, permanent magnet 12 will rotate thereupon, and then drive 8 rotations of bottom agitator arm.Because the hermetically-sealed construction of autoclave body bottom is a static seal 13, thereby can prevent effectively because of setting up the seepage that the bottom agitator arm produces in position, still bottom.

In addition, in order to improve flowing of material, present embodiment is arranged on the central part 14 of autoclave body bottom with above-mentioned bottom agitator arm 8, and allows the inwall of described autoclave body bottom upwards swell gradually to this autoclave body bottom central part 14 from the kettle periphery.

In the present embodiment, be provided with two groups of planetary gear agitating units that constitute by planetary gear 3, planetary wheel shaft 7, planetary gear bearing 16, planet pin bearing 15 and stirring blade 5 simultaneously, the structure of two groups of epicyclic gears agitating unit is identical, repeats no more herein.

Claims

1, a kind of stirred tank, have kettle and planetary frame formula rabbling mechanism, described planetary frame formula rabbling mechanism comprises sun gear, planetary gear, agitator frame and stirring blade, described sun gear, planetary gear, agitator frame and stirring blade all are positioned at kettle, described sun gear is fixed on the kettle, the rotating shaft of described agitator frame is stretched into kettle from the kettle top and is passed the center of sun gear, described agitator frame is fixed in the rotating shaft of this agitator frame, described planetary gear is meshed with sun gear, described stirring blade is fixed on the planetary wheel shaft, described planetary wheel shaft is nested with in the star gear-bearing of being expert at, it is characterized in that being provided with the planet pin bearing, described planetary gear bearing is fixed on this planet pin bearing, and described planet pin bearing is fixed on the agitator frame through the openable syndeton.

2, stirred tank as claimed in claim 1, it is characterized in that being provided with bottom agitator arm and bottom agitator arm driving mechanism, described bottom agitator arm is arranged in the kettle and is positioned at autoclave body bottom, and the wheel shaft of described bottom agitator arm and bottom agitator arm driving mechanism are in transmission connection.

3, stirred tank as claimed in claim 2, it is characterized in that described bottom agitator arm driving mechanism is made of motor and magnetic driving mechanism, the power intake of described magnetic driving mechanism is connected with the clutch end of motor, and the clutch end of described magnetic driving mechanism is connected with the wheel shaft of bottom agitator arm.

4, stirred tank as claimed in claim 3 is characterized in that described bottom agitator arm is arranged on the central part of autoclave body bottom, and the inwall of described autoclave body bottom upwards swells to this autoclave body bottom central part gradually from the kettle periphery.