CN105063711A - Micro-arc oxidation reaction device with turbine made of nylon plates - Google Patents

Micro-arc oxidation reaction device with turbine made of nylon plates Download PDF

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Publication number
CN105063711A
CN105063711A CN201510539751.5A CN201510539751A CN105063711A CN 105063711 A CN105063711 A CN 105063711A CN 201510539751 A CN201510539751 A CN 201510539751A CN 105063711 A CN105063711 A CN 105063711A
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CN
China
Prior art keywords
nylon
turbine
cooling water
arc oxidation
oxidation reaction
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Pending
Application number
CN201510539751.5A
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Chinese (zh)
Inventor
熊缨
胡强
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Priority to CN201510539751.5A priority Critical patent/CN105063711A/en
Publication of CN105063711A publication Critical patent/CN105063711A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a micro-arc oxidation reaction device with a turbine made of nylon plates. The micro-arc oxidation reaction device with the turbine made of the nylon plates comprises a cooler unit, a power connection line, a power supply, a numerical control table, a cooling water tank and an electrolytic bath which contains electrolytes and is fixed in the cooling water tank. The electrolytic bath is connected with a cathode of the power supply. A cooling water outlet is formed in the upper end of the cooling water tank, a cooling water inlet is formed in the lower end of the cooling water tank, and the cooling water outlet and the cooling water inlet are connected with the cooler unit respectively. The numerical control table is used for controlling opening and closing of the cooler unit. The micro-arc oxidation reaction device further comprises a nylon turbine stirring mechanism which comprises a variable-frequency motor, a flange coupler and the nylon turbine. The variable-frequency motor is adjustable in rotation speed according to different electrolytes and is connected with the power supply. The upper and lower ends of the flange coupler are connected with a metal rod and a nylon rod respectively. The upper end of the metal rod is in transmission connection with the variable-frequency motor, and the lower end of the nylon rod is connected with the nylon turbine.

Description

With the differential arc oxidation reaction unit of nylon plate turbine
Technical field
The present invention relates to a kind of differential arc oxidation reaction unit with nylon plate turbine, belong to metal surface properties modification field.
Background technology
Differential arc oxidization technique has been widely used in the fields such as aerospace, machinery, medical treatment.It is by electrolytic solution and the combination of corresponding electrical parameter, at non-ferrous metal as aluminium, magnesium, titanium and titanium alloys surface rely on arc discharge to produce TRANSIENT HIGH TEMPERATURE High Pressure, grow into ceramic coating at matrix surface, thus improve wear resistance, the corrosion resistance nature of material surface.But differential arc oxidization technique also comes with some shortcomings, such as, in reaction process, voltage is higher, will carry out complete prevention awareness during operation; During electrolytic solution reaction, rate of rise in temperature is accelerated, and ionogen mass transfer effect can be made to reduce, thus causes matrix surface to react uneven.
Differential arc oxidation reaction unit is generally stainless steel rounding tubular electrolyzer, and electrolyzer is fixed in cooling water tank, connects power cathode.Metallic matrix is by wire connecting power anode, and during reaction, metallic matrix is immersed in the electrolytic solution in electrolyzer.But, along with metal matrix material and electrolyte prescription kind are on the increase, often need in electrolytic solution to add some nano level suspension additive, and there is the situation being slightly soluble in water or not allowing in these suspension additives.This just needs to manage in reaction process, enable these materials fully suspend.Traditional method has adds that ethylene glycol etc. promotes the suspension of particles, carries out hand mixing in reaction process, outsidely applies whipping appts, ultrasonic wave applies to micro-arc oxidation device etc.Due in reaction process, ensure that metallic matrix submergence in the solution but can not contact with against short-circuit with device, therefore, metal matrix material generally hangs on liquid middle and upper part.Like this, add the abundant suspension that suspension agent is difficult to ensure particle, hand mixing and the outside whipping appts that applies can not stir fully and there is certain danger, ultrasonic stirring has the machinery concussion of high frequency, be conducive to the raising of heat transfer, mass-transfer efficiency, but for insoluble solid particle in some electrolytic solution, can not ensure that it suspends.
Summary of the invention
In order to overcome the above-mentioned defect that existing differential arc oxidation reaction unit exists, the invention provides a kind of safe and reliable, mass transfer effect good and can avoid colliding with metallic matrix and wire and encounter electrolyzer and to be short-circuited the differential arc oxidation reaction unit with nylon plate turbine of situation.
The technical solution used in the present invention is:
With the differential arc oxidation reaction unit of nylon plate turbine, the electrolyzer being contained with electrolytic solution comprising cooling unit, electric power connection line, power supply, numerical control platform, cooling water tank and be fixed in cooling water tank, described electrolyzer connects the negative electrode of power supply; The upper end of described cooling water tank is provided with cooling water outlet, and lower end is provided with cooling water inlet, and described cooling water outlet, cooling water inlet are connected with described cooling unit respectively, and described numerical control platform is used for the folding of controlled cooling model unit; It is characterized in that: also comprise nylon turbine stirring mechanism, described nylon turbine stirring mechanism comprises can according to the variable-frequency motor of different electrolytic solution adjusting rotary speeds, flange-face coupling, nylon turbine, described variable-frequency motor connects power supply, upper and lower end connection metal bar and the fiber-glass pole respectively of described flange-face coupling, the lower end of described metallic rod is connected with flange-face coupling, and upper end and variable-frequency motor are in transmission connection; The upper end of described fiber-glass pole is connected with flange-face coupling, and lower end is connected with nylon turbine.
The top of described cooling water tank is installed with the crossbeam for installing nylon turbine stirring mechanism, described nylon turbine stirring mechanism is connected with crossbeam is detachable, junction is provided with wire, one end of described wire connects the anode of power supply, and the other end and submergence in the electrolytic solution metallic matrix are connected.
Described nylon turbine is connected with the lower end key of fiber-glass pole.
Described nylon turbine comprises wheel body and some dihedral vanes being distributed on wheel body sidepiece, and the oblique blade lean of described inclination is arranged on wheel body sidepiece and has same tilt direction, and angle of inclination is 30 ~ 60 degree.Nylon turbine can produce the radial flow of height turbulence when rotated and longitudinally flow, and what fluid micellar can be made to disperse is very thin, thus promotion heat transfer that can be good, mass transfer and chemical reaction.Therefore, in micro-arc oxidation electrolyte, the abundant dispersion of suspension liquid and suspension can be promoted.
The middle being placed in described electrolyzer of described nylon turbine, submergence in the electrolytic solution, and from the distance from bottom 2-5cm of electrolyzer.Produce axis and radial flow when high speed rotating, thus make micelle flow at high speed in electrolytic solution, full in the electrolytic solution, thus make reactive matrix sufficient reacting, evenly.
The injection volume of the electrolytic solution in described electrolyzer is the volume of 40%-60% electrolyzer.
Temperature sensor is provided with in described electrolyzer.
The rotating speed of described variable-frequency motor is 10-20r/s, ensures in turbine stirring process, ensures workpiece submergence all the time in the electrolytic solution.
Apparatus of the present invention may be used for directly configuring electrolytic solution and stirring and dissolving.The configuration of traditional differential arc oxidation electrolytic solution in early stage carries out in beaker, and then carry out magnetic agitation, and then pour in electrolyzer by electrolytic solution in beaker, in walls of beaker, leaves remaining electrolytic solution or have the non-dissolved particles of remnants unavoidably like this.
Beneficial effect of the present invention is embodied in:
(1) be conducive to the transmission of heat in electrolytic solution by turbine stirring, add heat transfer, mass-transfer efficiency;
(2) suspended substance in electrolytic solution can be made fully to suspend by turbine stirring, more traditional additional whipping appts or hand mixing are more stable and convenient, itself and metallic matrix are fully reacted, is conducive to the research of later stage for micro-arc oxidation films Quality advance;
(3) below shaft coupling and turbine adopt nylon monomer-cast nylon panel material, it is light that this material has more traditional metallic impeller quality of materials, the advantages such as intensity is high, and erosion resistance is strong;
(4) security is secure, and turbine stirring entire system is fixed, and avoiding collides with metallic matrix and wire and encounter electrolyzer is short-circuited, and shaft coupling lower part adopts nonmetallic nylon material, good insulating;
(5) make test early-stage preparations convenient, electrolytic solution whipping process can directly carry out in a cell, more convenient than tradition whipping process in beaker.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Fig. 2 is nylon turbine stirring mechanism of the present invention scheme of installation.
Fig. 3 is nylon turbine stirring mechanism of the present invention schematic diagram.
Embodiment
Referring to figs. 1 through Fig. 3, with the differential arc oxidation reaction unit of nylon plate turbine, the electrolyzer 6 being contained with electrolytic solution comprising cooling unit 1, electric power connection line 2, power supply 14, numerical control platform 3, cooling water tank 4 and be fixed in cooling water tank 4, described electrolyzer 6 connects the negative electrode 7 of power supply; The upper end of described cooling water tank 4 is provided with cooling water outlet 12, and lower end is provided with cooling water inlet 13, and described cooling water outlet 12, cooling water inlet 13 are connected with described cooling unit 1 respectively, and described numerical control platform 3 is for the folding of controlled cooling model unit 1; Between described cooling unit 1 and cooling water outlet 12 place, recycle pump 16 is installed; Also comprise nylon turbine stirring mechanism, described nylon turbine stirring mechanism comprises can according to the variable-frequency motor 5 of different electrolytic solution adjusting rotary speeds, flange-face coupling 10, nylon turbine 9, described variable-frequency motor 5 connects power supply 14, upper and lower end connection metal bar 18 and the fiber-glass pole 19 respectively of described flange-face coupling 10, the lower end of described metallic rod 18 is connected with flange-face coupling 10, and upper end and variable-frequency motor 5 are in transmission connection; The upper end of described fiber-glass pole 19 is connected with flange-face coupling 10, and lower end is connected with nylon turbine 9.
The top of described cooling water tank 4 is installed with the crossbeam 17 for installing nylon turbine stirring mechanism, described nylon turbine stirring mechanism is connected with crossbeam 17 is detachable, junction is provided with wire, one end of described wire connects the anode 8 of power supply, and the other end and submergence in the electrolytic solution metallic matrix 15 are connected.
Described nylon turbine 9 is connected with the lower end key of fiber-glass pole 19.
Described nylon turbine 9 comprises wheel body and some dihedral vanes 20 being distributed on wheel body sidepiece, and the oblique blade 20 of described inclination is inclined at wheel body sidepiece and has same tilt direction, and angle of inclination is 30 ~ 60 degree.Nylon turbine 9 can produce the radial flow of height turbulence when rotated and longitudinally flow, and what fluid micellar can be made to disperse is very thin, thus promotion heat transfer that can be good, mass transfer and chemical reaction.Therefore, in micro-arc oxidation electrolyte, the abundant dispersion of suspension liquid and suspension can be promoted.
The middle being placed in described electrolyzer of described nylon turbine 9, submergence in the electrolytic solution, and from the distance from bottom 2-5cm of electrolyzer.Produce axis and radial flow when high speed rotating, thus make micelle flow at high speed in electrolytic solution, full in the electrolytic solution, thus make reactive matrix sufficient reacting, evenly.
The injection volume of the electrolytic solution in described electrolyzer 6 is the volume of 40%-60% electrolyzer.
Temperature sensor 11 is provided with in described electrolyzer 6.
The rotating speed of described variable-frequency motor 5 is 10-20r/s, ensures in turbine stirring process, ensures workpiece submergence all the time in the electrolytic solution.
Apparatus of the present invention may be used for directly configuring electrolytic solution and stirring and dissolving.The configuration of traditional differential arc oxidation electrolytic solution in early stage carries out in beaker, and then carry out magnetic agitation, and then pour in electrolyzer by electrolytic solution in beaker, in walls of beaker, leaves remaining electrolytic solution or have the non-dissolved particles of remnants unavoidably like this.
During use, in electrolyzer, prepare electrolytic solution, first carry out turbine stirring.Before experiment, metallic matrix first carries out liquid honing, dehydrated alcohol oil removing except abrasive dust, the cleaning of deionized water for ultrasonic ripple, seasoning.For ensureing that contact is good, the tapping of metallic matrix central bore, to be connected with traversing thread.Micro-arc oxidation process adopts constant current mode, and metallic matrix is by the anode of wire connecting power, and electrolyzer connects the negative electrode of power supply.After preparation work completes, at numerical control platform input related process parameters, in treating processes, open electric motor starting nylon turbine stirring mechanism, open cooling unit system simultaneously.After off-test, take off sample, put into plasma water and clean, put into sample bag in atmosphere after seasoning and number, prepare to test.
Content described in this specification sheets embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the specific form that embodiment is stated, protection scope of the present invention also and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.

Claims (8)

1. with the differential arc oxidation reaction unit of nylon plate turbine, the electrolyzer being contained with electrolytic solution comprising cooling unit, electric power connection line, power supply, numerical control platform, cooling water tank and be fixed in cooling water tank, described electrolyzer connects the negative electrode of power supply; The upper end of described cooling water tank is provided with cooling water outlet, and lower end is provided with cooling water inlet, and described cooling water outlet, cooling water inlet are connected with described cooling unit respectively, and described numerical control platform is used for the folding of controlled cooling model unit; It is characterized in that: also comprise nylon turbine stirring mechanism, described nylon turbine stirring mechanism comprises can according to the variable-frequency motor of different electrolytic solution adjusting rotary speeds, flange-face coupling, nylon turbine, described variable-frequency motor connects power supply, upper and lower end connection metal bar and the fiber-glass pole respectively of described flange-face coupling, the lower end of described metallic rod is connected with flange-face coupling, and upper end and variable-frequency motor are in transmission connection; The upper end of described fiber-glass pole is connected with flange-face coupling, and lower end is connected with nylon turbine.
2. as claimed in claim 1 with the differential arc oxidation reaction unit of nylon plate turbine, it is characterized in that: the top of described cooling water tank is installed with the crossbeam for installing nylon turbine stirring mechanism, described nylon turbine stirring mechanism is connected with crossbeam is detachable, junction is provided with wire, one end of described wire connects the anode of power supply, and the other end and submergence in the electrolytic solution metallic matrix are connected.
3., as claimed in claim 2 with the differential arc oxidation reaction unit of nylon plate turbine, it is characterized in that: described nylon turbine is connected with the lower end key of fiber-glass pole.
4. as claimed in claim 3 with the differential arc oxidation reaction unit of nylon plate turbine, it is characterized in that: described nylon turbine comprises wheel body and some dihedral vanes being distributed on wheel body sidepiece, the oblique blade lean of described inclination is arranged on wheel body sidepiece and has same tilt direction, and angle of inclination is 30 ~ 60 degree.
5., as claimed in claim 4 with the differential arc oxidation reaction unit of nylon plate turbine, it is characterized in that: the middle being placed in described electrolyzer of described nylon turbine, submergence in the electrolytic solution, and from the distance from bottom 2-5cm of electrolyzer.
6., as claimed in claim 5 with the differential arc oxidation reaction unit of nylon plate turbine, it is characterized in that: the injection volume of the electrolytic solution in described electrolyzer is the volume of 40%-60% electrolyzer.
7., as claimed in claim 6 with the differential arc oxidation reaction unit of nylon plate turbine, it is characterized in that: in described electrolyzer, be provided with temperature sensor.
8., as claimed in claim 7 with the differential arc oxidation reaction unit of nylon plate turbine, it is characterized in that: the rotating speed of described variable-frequency motor is 10-20r/s.
CN201510539751.5A 2015-08-28 2015-08-28 Micro-arc oxidation reaction device with turbine made of nylon plates Pending CN105063711A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105696052A (en) * 2016-03-31 2016-06-22 浙江工业大学 Micro-arc oxidation reaction device
CN107034497A (en) * 2017-04-28 2017-08-11 长安大学 A kind of electroplanting device for oil well pipe box cupling inner surface

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2061859U (en) * 1989-12-12 1990-09-12 北京市第一轻工业研究所 Homogenizer
CN201565273U (en) * 2009-12-02 2010-09-01 上海化工研究院 Magnetic stirring reaction kettle
CN103721605A (en) * 2014-01-09 2014-04-16 吴瑛 Preparation device of chitosan thickening agent
CN204380564U (en) * 2015-04-16 2015-06-10 吉安谊盛电子材料有限公司 There is the agitator of eddy current generation cylinder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2061859U (en) * 1989-12-12 1990-09-12 北京市第一轻工业研究所 Homogenizer
CN201565273U (en) * 2009-12-02 2010-09-01 上海化工研究院 Magnetic stirring reaction kettle
CN103721605A (en) * 2014-01-09 2014-04-16 吴瑛 Preparation device of chitosan thickening agent
CN204380564U (en) * 2015-04-16 2015-06-10 吉安谊盛电子材料有限公司 There is the agitator of eddy current generation cylinder

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Title
卢超: "镁合金生物陶瓷复合涂层的制备与性能研究", 《中国优秀硕士学位论文全文数据库》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105696052A (en) * 2016-03-31 2016-06-22 浙江工业大学 Micro-arc oxidation reaction device
CN105696052B (en) * 2016-03-31 2017-12-05 浙江工业大学 Differential arc oxidation reaction unit
CN107034497A (en) * 2017-04-28 2017-08-11 长安大学 A kind of electroplanting device for oil well pipe box cupling inner surface

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Application publication date: 20151118