CN102430361B - Rotary jet mixer - Google Patents
Rotary jet mixer Download PDFInfo
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- CN102430361B CN102430361B CN201110268093.2A CN201110268093A CN102430361B CN 102430361 B CN102430361 B CN 102430361B CN 201110268093 A CN201110268093 A CN 201110268093A CN 102430361 B CN102430361 B CN 102430361B
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Abstract
The invention discloses a rotary jet mixer, which is composed of a fixed support shell, a rotary shell, a turbine device, a three-level worm wheel and warm retarding mechanism, horizontal nozzles and inclined nozzles. The rotary shell is installed on the fixed support shell, and thrust bearings are disposed between the two shells. The inside of the rotary shell is provided with a sealing plate, the three-level worm wheel and warm retarding mechanism and the turbine device comprising a hemisphere head, a turbine hub, a turbine shaft and blades. The turbine shaft is sleeved inside a sleeve on the sealing plate. The lower part of the turbine shaft is provided with the turbine hub which is equipped with the blades. The turbine shaft is connected to the input end of the three-level worm wheel and warm retarding mechanism, the output end of which is in connection with the sleeve. The nozzles are distributed on the external wall of the rotary shell, and each nozzle is communicated with the inside of the rotary shell and is located at the open bottom of the rotary shell. The mixer of the invention has the advantages of compact structure, stable operation and good mixing effect.
Description
Technical field
The present invention relates to a kind ofly for the homogenize jet mixer of blending of crude oil or component wet goods Oil Production, particularly a kind of rotary jet-type multiinjector blender, belongs to combiner technique field.
Background technology
Growing along with science and technology, people more and more pay attention to saving the energy and environmental protection, impel every profession and trade also more and more higher to the quality requirements of oil product.Restriction because of processing technology, the performance of many single-component products can not meet user's needs, bi-component or multicomponent product dissolve it in different ratio mixing, stirring mutually for this reason, physico-chemical property makes up for each other's deficiencies and learn from each other, the premium properties that different component is given full play to separately just seems important especially to reach the product quality of customer requirements, especially the application of additive can have been improved product quality and performance greatly, has more promoted the development of Of The Oil Product Blending Process.In addition, at oil plant, owing to processing increasing of multiple crude oil and device quantity, some device raw material is also required to the rear motion device of multicomponent blending.Therefore petroleum products blending is a requisite important component part in Oil Production process.
Feedstock oil homogenizes has very important impact to oil refining processing procedure, is stored in the feedstock oil in oil tank, mostly has the problem of failing to homogenize.The accumulating of crude oil is generally to carry out in the mode of batch group formula, accumulating under different time, different condition, and the feedstock oil of each batch, and its proportion, viscosity, sulfur content, ash content, water content, flashing point and pour point often can be variant.The oil product that blender can be realized crude oil storage tank, product tank and mediation oil tank homogenizes.
At present, domestic oil refining enterprises oil product is in harmonious proportion take oil tank mediation as main, mainly adopts mechanical agitation and two kinds of modes of pump circulation nozzle mediation.Limited by working condition, there is following shortcoming in the former: during operation, tank skin exists vibration, and sealing place may be leaked; Exist and mix incomplete phenomena; Fitter's work amount is large, and from long-term input analysis, expense is higher; Owing to using motor, increase security of operation hidden danger; Need regularly maintain etc.From practical operation situation, that pump circulation nozzle blending has advantages of is safe, easy to operate, maintenance workload is little, and its technical performance is better than traditional mechanical agitation blending.In view of the unique advantage at aspects such as security, operation Yi Hangxing, energy-conserving and environment-protective and regular maintenance convenience, the blending of pump circulation nozzle obtains applying more and more widely just gradually.
At present, drive mechanism in jet mixer mainly be take reducing gear train and epicyclic train and is added cycloid gear and slow down as main, < < rotary oil-jetting mixer > > as disclosed in Chinese patent literature CN100488612C, exist gearratio little, noise is large, operational reliability is low, and service life is short.
Summary of the invention
The present invention is directed to oil product that existing oil product mixing apparatus exists and be in harmonious proportion inhomogeneous problem, provide a kind of the crude oil of different batches and differing texture effectively can be mixed homogenize, reliable rotary jet mixer.
Rotary jet mixer of the present invention is achieved through the following technical solutions:
This rotary jet mixer, comprises fixed support housing, rotary shell, turbine apparatus, three grades of turbine and worm decelerators, horizontal nozzles and angled nozzles, rotary shell is arranged on fixed support housing, is provided with thrust bearing between the two, in rotary shell, be provided with sealing plate, sealing plate makes to be divided in rotary shell airtight top and unlimited bottom, on sealing plate, be fixedly connected with a sleeve, in the airtight top of rotary shell, be provided with three grades of turbine and worm decelerators, in unlimited bottom, be provided with turbine apparatus, this turbine apparatus comprises hemispherical head, turbine hub, turbine wheel shaft and blade, turbine wheel shaft is sleeved in the sleeve on sealing plate, the top of turbine wheel shaft is positioned at the airtight top of rotary shell, the bottom of turbine wheel shaft is in fixed support housing, the bottom of turbine wheel shaft is provided with turbine hub, blade is installed in turbine hub, turbine wheel shaft is connected with the input of three grades of turbine and worm decelerators by gear drive, the output of three grades of turbine and worm decelerators is connected with sleeve, on the outer wall of rotary shell, be distributed with the horizontal nozzles and the inclined angled nozzle of relative level face that are the level of state, each nozzle is all with rotary shell internal communication and in the unlimited bottom of rotary shell.
Between fixed support housing and sleeve, be connected with flow distribution plate, play the effect that stationary housing and fluid are shunted to nozzle fast.
Between fixed support housing and thrust bearing and between rotary shell and thrust bearing, be equipped with seal.
Horizontal nozzles and angled nozzle are circumferentially uniformly distributed on rotary shell, and horizontal nozzles and angled nozzle respectively have two, interlaced arrangement, and two horizontal nozzles and two angled nozzles are all bias profile with respect to rotary shell center.The axis of angled nozzle and horizontal plane angle are 60 °.Horizontal nozzles and angled nozzle are pulse jet nozzle.
Above-mentioned rotary jet mixer links together by fixed support housing and oil tank body bottom, high pressure crude oil enters turbine apparatus, promote the blade rotary in turbine apparatus, blade drives turbine wheel shaft rotation, turbine wheel shaft is rotated step by step and is slowed down by three grades of turbine and worm decelerators again, finally by transmission of power to sleeve, sleeve again driven rotary housing rotates, each nozzle on rotary shell outer wall rotates thereupon, the state of the nozzle of high pressure crude oil by each rotation in rotary-jet, is in harmonious proportion rapidly.Horizontal nozzles and angled nozzle can be realized the mediation of oil product horizontal and vertical direction, prevent that crude oil from, in the sedimentation at center, reaching comprehensive mediation, have eliminated position, dead band.
The present invention is without any Power Drive Unit, rely on the external pressure-driven of fluid, by self, rotate the state of oil product in rotary-jet that make, convection current occurs, realize and homogenizing fast, reach comprehensive mediation, adopt three grades of Worm Wheel Systems, can obtain very large single-stage speed reducing ratio, there is compact conformation, stable working, noiseless, feature that impact shock is little, reliability is high, is difficult for loss, can realize 360 ° of comprehensive mixing.
Accompanying drawing explanation
Fig. 1 is the structural representation of rotary jet mixer of the present invention.
Fig. 2 is along A-A line cutaway view in Fig. 1.
Fig. 3 is along B-B line cutaway view in Fig. 1.
In figure: 1, hemispherical head, 2, fixed support housing, 3, turbine hub, 4, Shang Quan, 5, sealing ring, 6, sleeve, 7, turbine wheel shaft, 8, one-level worm screw, 9, three grades of worm gears, 10, reduction gearing, 11, rotary shell, 12, master gear, 13, three grades of worm screws, 14, sealing plate, 15, horizontal nozzles, 16, flow distribution plate, 17, inner seal liner, 18, blade, 19, thrust bearing, 20, second-stage worm, 21, second-stage worm gear, 22, bearing (ball) cover, 23, angled nozzle, 24, first-stage worm gear.
The specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, rotary jet mixer of the present invention, comprises fixed support housing 2, rotary shell 11, turbine apparatus, three grades of turbine and worm decelerators, horizontal nozzles 15 and angled nozzles 23.
Fixed support housing 2 is for crude oil (pressure the is 1MPa-1.6MPa) conveyance conduit of whole blender and oil tank body bottom is connected to (connecting with bolt), and guarantees the rigid attachment of whole blender and tank base, and minimizing is vibrated.Thrust bearing 19 is installed on fixed support housing 2, and thrust bearing 19 is clamped between fixed support housing 2 and rotary shell 11.Rotary shell 11 makes rotary shell 11 can keep rotation status together with being bolted with the upper circle 4 of thrust bearing 19.Between upper circle 4 inner sides of thrust bearing 19 and fixed support housing 2, be provided with inner seal liner 17 and seal, between rotary shell 11 and the upper circle 4 of thrust bearing 19, be provided with sealing ring 5 and seal, reach isolation completely inner and external fluid.
In rotary shell 11, be provided with sealing plate 14 and turbine apparatus and three grades of turbine and worm decelerators that rotary shell 11 internal upper parts and bottom are separated.Sealing plate 14 makes to be divided in rotary shell 11 airtight top and unlimited bottom, three grades of turbine and worm decelerators are arranged on airtight top, turbine apparatus and nozzle are positioned at unlimited bottom, and reducing gear is separated with nozzle, play the effect of sealing and guiding Fluid injection.On sealing plate 14, be fixedly connected with a sleeve 6 (can by connected modes such as welding, screwings), sleeve 6 is for being delivered to rotary power rotary shell 11.Turbine apparatus comprises hemispherical head 1, turbine hub 3, turbine wheel shaft 7 and blade 18, and turbine wheel shaft 7 is vertically arranged on the interior middle part of rotary shell 11, and its head stretches out sealing plate 14 and in fixed support housing 2.Turbine wheel shaft 7 is sleeved in sleeve 6, and both can relatively rotate, and between the two ends of sleeve 6 and turbine wheel shaft 7, is equipped with sealing gasket.Between fixed support housing 2 and sleeve 6, be connected with flow distribution plate 16 (can by connected modes such as welding, screwings), play stationary housing and fluid fast to the effect of nozzle shunting.The head of turbine wheel shaft 7 is provided with turbine hub 3, and turbine hub 3 is by being screwed in hemispherical head 1 axial location of hemispherical head 1 turbine wheel shaft 7 ends, and turbine hub 3 is positioned between sleeve 6 and hemispherical head 1.4 blades 18 are installed in turbine hub 3.Blade 18 adopts the design of Three Dimensional Solid Design method according to fluid hydraulic performance, and blade streamline adapts to fluid impact, can make fluid pass through fast and produce rotation.The effect of blade 18 is that the part pressure energy of fluid is changed into mechanical energy, by blade 18 rotations, passes to reducing gear, and design speed reducing ratio is 16000: 1.Fluid is when impacting blade 18, and the vibration that this design flow pattern can reduce hydraulic loss and produce thereupon, meanwhile, has improved the conversion ratio of high-pressure fluid energy, is of value to whole blender and steadily rotates.Master gear 12 is installed, master gear 12 and reduction gearing 10 engagements on turbine wheel shaft 7.Reduction gearing 10 is connected on one-level worm screw 8 by key, and one-level worm screw 8 is realized first order deceleration with first-stage worm gear 24 (referring to Fig. 3) engagement.The two ends of one-level worm screw 8 are arranged on the upper plate and sealing plate 14 of rotary shell 11 by bearing respectively.It is upper that first-stage worm gear 24 is connected to second-stage worm 20 (referring to Fig. 2) by key, and second-stage worm 20 realizes the second level with second-stage worm gear 21 engagements slows down, and second-stage worm gear 21 is connected on three grades of worm screws 13 by key.Three grades of worm screws 13 and three grades of worm gear 9 engagements, realize the final second level and slow down.Both form vertical relation second-stage worm 20 and three grades of worm screws 13, and both two ends are respectively equipped with bearing (ball) cover 22, keep supporting role well.Each bearing (ball) cover 22 is welded to form with the inwall of rotary shell 11, guarantees that enough rigidity and processing and manufacturing are easy.Three grades of worm gears 9 are fixedly mounted on sleeve 6.Can be by the Design of Rotation of rotary shell 11 for often turning around 2 hours-3 hours.The present invention adopts three grades of Worm Wheel Systems, and three grades of worm screws are arranged and staggered, and maintains the symmetry requirement of plant equipment design, makes blender in rotary course, reach dynamic balancing.Three grades of worm geared bearing capacitys of worm screw are large compared with other drive mechanisms, and adopt multistart worm, and transmission efficiency can fully meet the requirement of blender operating mode.Owing to being subject to the restriction of blender overall dimensions, adopt auxiliary component negligible amounts in endless screw transmission agent, minimizing equipment is complicated and reduce friction loss, makes drive mechanism size little, and overall weight is lighter.
On the outer wall of rotary shell 11, be provided with the horizontal nozzles 15 and the inclined angled nozzle 23 of relative level face that are the level of state, each nozzle all with rotary shell 11 internal communication the below in sealing plate 14 the interior bottom of rotary shell 11 ().Horizontal nozzles 15 and angled nozzle 23 are circumferentially uniformly distributed at rotary shell 11, and horizontal nozzles 15 and angled nozzle 23 respectively have two, interlaced arrangement, and two horizontal nozzles 15 and two angled nozzles 23 are all bias profile with respect to rotary shell center, referring to Fig. 3.The horizontal nozzles 15 of two biasings can realize the mediation of horizontal direction fluid, and the angled nozzle 23 of two biasings can be realized the mediation of vertical direction fluid.The axis of angled nozzle 23 and horizontal plane angle are 60 °, prevent that fluid is in the deposition in centre.And two kinds of nozzles are installed and are departed from center, coordinate and maintain rotary shell 11 stable operations.In addition, angled nozzle 23 diameters are more smaller than horizontal nozzles 15 diameters, prevent that injection stream is excessive, exceed fluid surface, produce splash phenomena.The energy going out in order to improve Fluid injection, horizontal nozzles 15 and angled nozzle 23 all adopt pulse jet nozzle.From jet stability aspect, this nozzle is in harmonious proportion device to oil product and guarantees that the loss in head of nozzle is little and reduce the aspects such as water consumption.Utilize the structural design in nozzle, fluid high-speed is ejected, in jet shearing force and entrainmenting under effect, solid jet is converted into pulsing jet, by forming in injection stream tank, to take axial flow and rotating flow be main Complex Turbulent Flow Field, the hitting power that increases convection cell with this, realizes fluid rapid mixing.
The course of work of the present invention is as follows:
By fixed support housing 2, the crude oil pipeline of whole blender and oil tank body bottom is linked together.Outer loop delivery pump is pressed into conveyance conduit by crude oil, and first high pressure crude oil enter turbine apparatus, then the mouth on rotary shell 11 outer walls ejects.High pressure crude oil promotes blade 18 rotations in turbine apparatus, and blade 18 drives turbine wheel shaft 7 rotations by turbine hub 3.Turbine wheel shaft 7 drives reduction gearing 10 to rotate by the master gear 12 on it again, and then make three grades of turbine and worm decelerators rotate step by step and slow down, finally by transmission of power to sleeve 6, sleeve 6 is rotated with lower speed, sleeve 6 rotates by the sealing plate 14 driven rotary housings 11 that are fixedly connected with it again, each nozzle on rotary shell 11 outer walls rotates thereupon, and the state of the nozzle of high pressure crude oil by each rotation in rotary-jet, is in harmonious proportion rapidly.Horizontal nozzles can realize the mediation of tank body radial fluid, and angled nozzle can be realized the mediation to vertical direction oil product, prevents that crude oil is in the sedimentation at center, is to the supplementing of horizontal nozzles, and reaches comprehensive mediation, position, deadband eliminating.
Above-mentioned blender is installed on oil tank body inside, without any Power Drive Unit, its entrance with by pipeline, be connected, utilize the pressure of the outside delivery pump of tank body, pressurized with fluid is delivered to mixer nozzle, fluid through nozzle high-pressure injection out, by powerful jet, make fluid produce whirlpool, jet is evenly distributed, and relies on the rotations of self 360 degree to play comprehensive immixture, tank inner fluid generation convection current is realized and homogenize, oil product is in harmonious proportion.Due to the state of swivel nozzle in a kind of rotary-jet, when it constantly rotates, also just completed the convection current displacement of oil product in whole tank and stirred, thereby having realized a kind of desirable mix uniformly effect.
The present invention has following characteristics
1. simple in structure, construction safety, reliability is high, is difficult for loss, can reach service life more than 10 years, without running maintenance and maintenance, oil product Blending is had no effect, and increases substantially economic benefit.In addition, save the energy; Reduce evaporating loss, protection of the environment.
2. premium properties, nozzle to tank bottom and the even high velocity jet fluid of central upper, carries out oil product mediation within a short period of time respectively.
3. security is good, can not produce the situation of fluid blockage blender.
4. adopt Worm Wheel System, there is compact conformation, stable working, noiseless, impact shock is little and can obtains very large single-stage speed reducing ratio.
Claims (1)
1. a rotary jet mixer, comprises fixed support housing, rotary shell, turbine apparatus, three grades of turbine and worm decelerators, horizontal nozzles and angled nozzles, it is characterized in that, rotary shell is arranged on fixed support housing, is provided with thrust bearing between the two, in rotary shell, be provided with sealing plate, sealing plate makes to be divided in rotary shell airtight top and unlimited bottom, on sealing plate, be fixedly connected with a sleeve, in the airtight top of rotary shell, be provided with three grades of turbine and worm decelerators, in unlimited bottom, be provided with turbine apparatus, this turbine apparatus comprises hemispherical head, turbine hub, turbine wheel shaft and blade, turbine wheel shaft is sleeved in the sleeve on sealing plate, the top of turbine wheel shaft is positioned at the airtight top of rotary shell, the bottom of turbine wheel shaft is in fixed support housing, the bottom of turbine wheel shaft is provided with turbine hub, blade is installed in turbine hub, turbine wheel shaft is connected with the input of three grades of turbine and worm decelerators by gear drive, the output of three grades of turbine and worm decelerators is connected with sleeve, on the outer wall of rotary shell, be distributed with the horizontal nozzles and the inclined angled nozzle of relative level face that are the level of state, each nozzle is all with rotary shell internal communication and in the unlimited bottom of rotary shell, described horizontal nozzles and angled nozzle are circumferentially uniformly distributed on rotary shell, and horizontal nozzles and angled nozzle respectively have two, interlaced arrangement, and two horizontal nozzles and two angled nozzles are all bias profile with respect to rotary shell center, the axis of described angled nozzle and horizontal plane angle are 60 °, described horizontal nozzles and angled nozzle are pulse jet nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110268093.2A CN102430361B (en) | 2011-09-09 | 2011-09-09 | Rotary jet mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110268093.2A CN102430361B (en) | 2011-09-09 | 2011-09-09 | Rotary jet mixer |
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| Publication Number | Publication Date |
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| CN102430361A CN102430361A (en) | 2012-05-02 |
| CN102430361B true CN102430361B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110268093.2A Expired - Fee Related CN102430361B (en) | 2011-09-09 | 2011-09-09 | Rotary jet mixer |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988779B (en) * | 2017-04-25 | 2023-08-25 | 贵州理工学院 | Rotary jet stirring sand setting liquefying device |
| CN107100669B (en) * | 2017-04-25 | 2023-09-12 | 贵州理工学院 | Double-tube combined rotary jet sand setting liquefying device |
| CN107497310A (en) * | 2017-09-20 | 2017-12-22 | 刘心田 | A kind of storage tank rotary sprayer |
| CN108942695B (en) * | 2018-07-25 | 2019-08-06 | 长春理工大学 | A kind of abrasive Flow is anti-to sink to the bottom agitating device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754714Y (en) * | 2004-07-19 | 2006-02-01 | 刘战平 | Rotary jet mixer |
| CN2738873Y (en) * | 2004-11-03 | 2005-11-09 | 谢小鹏 | Jet-flow type jetting agitator |
| CN100488612C (en) * | 2006-10-31 | 2009-05-20 | 江西省仁达实业有限责任公司 | Rotary oil-jetting mixer |
| CN101301594B (en) * | 2008-01-11 | 2012-07-18 | 江西省仁达实业有限责任公司 | Oil rotating spray all-directional blending sweeper |
| CN201275467Y (en) * | 2008-08-06 | 2009-07-22 | 翟占江 | Anti-sinking self-cleaning device for oil products storage tank |
| CN201244455Y (en) * | 2008-08-06 | 2009-05-27 | 翟占江 | Mixer for oil product storage tank |
| CN201253548Y (en) * | 2008-08-27 | 2009-06-10 | 四川省乐山市川南阀门有限公司 | Oil-product rotary-spraying stirring mixer |
| CN101549258B (en) * | 2009-04-23 | 2012-06-13 | 浙江大学 | Hydraulic driving rotating jet mixer |
| CN101596424A (en) * | 2009-06-18 | 2009-12-09 | 连式雄 | Rotating nozzle type stirrer |
| CN201482432U (en) * | 2009-07-27 | 2010-05-26 | 台湾渥茂股份有限公司 | Immersion rotary jet agitator |
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2011
- 2011-09-09 CN CN201110268093.2A patent/CN102430361B/en not_active Expired - Fee Related
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| CN102430361A (en) | 2012-05-02 |
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