CN106024310A - Transformer oil filter electrical control system in wide-input gird-connected inverter and working method thereof - Google Patents
Transformer oil filter electrical control system in wide-input gird-connected inverter and working method thereof Download PDFInfo
- Publication number
- CN106024310A CN106024310A CN201610567247.0A CN201610567247A CN106024310A CN 106024310 A CN106024310 A CN 106024310A CN 201610567247 A CN201610567247 A CN 201610567247A CN 106024310 A CN106024310 A CN 106024310A
- Authority
- CN
- China
- Prior art keywords
- parts
- transformer oil
- drainage screen
- control system
- electrical control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims abstract description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 47
- 238000001914 filtration Methods 0.000 claims description 22
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- FZXRXKLUIMKDEL-UHFFFAOYSA-N 2-Methylpropyl propanoate Chemical compound CCC(=O)OCC(C)C FZXRXKLUIMKDEL-UHFFFAOYSA-N 0.000 claims description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Natural products OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 10
- 239000003431 cross linking reagent Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- YKYONYBAUNKHLG-UHFFFAOYSA-N propyl acetate Chemical compound CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- GJMJIOGYTAVWAV-UHFFFAOYSA-N [Rh].B(O)(O)O Chemical compound [Rh].B(O)(O)O GJMJIOGYTAVWAV-UHFFFAOYSA-N 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 9
- 150000002148 esters Chemical class 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- AWHAUPZHZYUHOM-UHFFFAOYSA-N 1,2-dibutyrin Chemical group CCCC(=O)OCC(CO)OC(=O)CCC AWHAUPZHZYUHOM-UHFFFAOYSA-N 0.000 claims description 5
- YEVQZPWSVWZAOB-UHFFFAOYSA-N 2-(bromomethyl)-1-iodo-4-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=C(I)C(CBr)=C1 YEVQZPWSVWZAOB-UHFFFAOYSA-N 0.000 claims description 5
- ZMFWTUBNIJBJDB-UHFFFAOYSA-N 6-hydroxy-2-methylquinoline-4-carboxylic acid Chemical compound C1=C(O)C=CC2=NC(C)=CC(C(O)=O)=C21 ZMFWTUBNIJBJDB-UHFFFAOYSA-N 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 5
- 230000005260 alpha ray Effects 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 5
- GJRRTUSXQPXVES-UHFFFAOYSA-N bis(2-methylpropyl) oxalate Chemical compound CC(C)COC(=O)C(=O)OCC(C)C GJRRTUSXQPXVES-UHFFFAOYSA-N 0.000 claims description 5
- BTMVHUNTONAYDX-UHFFFAOYSA-N butyl propionate Chemical compound CCCCOC(=O)CC BTMVHUNTONAYDX-UHFFFAOYSA-N 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 239000011812 mixed powder Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 5
- 239000012498 ultrapure water Substances 0.000 claims description 5
- HTNFLUQQANUSLR-UHFFFAOYSA-N 2-octanoyloxyethyl octanoate Chemical compound CCCCCCCC(=O)OCCOC(=O)CCCCCCC HTNFLUQQANUSLR-UHFFFAOYSA-N 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 3
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract 3
- 239000002861 polymer material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000032050 esterification Effects 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000004494 ethyl ester group Chemical group 0.000 description 2
- -1 ethylene glycol bisthioglycolate Caprylate Chemical compound 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/012—Making filtering elements
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Organic Insulating Materials (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a transformer oil filter electrical control system in a wide-input gird-connected inverter and a working method thereof. The system comprises a filter tank, an oil inlet, an iron removal device, a filter screen, a filter screen clamping groove, an oil outlet and a sealing cover, wherein transformer oil to be filtered enters the bottom of the filter tank from the oil inlet, and in the meanwhile, the iron removal device starts to rotate; after metal impurities in the transformer oil to be filtered are removed by the iron removal device, the transformer oil to be filtered flows through the filter screen to remove non-metallic impurities; and finally, the filtered transformer oil is discharged through the oil outlet. According to the system and working method thereof, the filter screen is prepared by carrying out film pressing on the high-polymer material; and the system has the advantages of high transformer oil removal rate, stable material properties and simple structure, and is convenient to operate.
Description
Technical field
The invention belongs to DC-to-AC converter field, be specifically related to transformer oil filter electrical in a kind of wide imported combining inverter
Control system and method for work thereof.
Background technology
At present, be applied to the Current Control Strategy of transformer oil defecator in combining inverter mainly have triangle wave control,
Hysteresis control and predictive-current control.Wherein, triangle wave controls to use proportional-integral controller following object current, should
Method and technology is ripe, applies of long duration, but cannot eliminate the steady-state error between target current and actual current；Hysteresis control method thereof
Simple and there is good robustness, but current ripples is relatively big, and not the fixing of switching frequency, cool down, filter bad causing and damage
Consume too high.
Predictive-current control belongs to the category of linear control method, by the reference of prediction next switch periods start time
Electric current, and with current output current ratio relatively, and then calculate the dutycycle of transformer oil defecator switching tube, make output electric current exist
Next cycle start time is equal to given reference current.Predictive-current control mode can realize on digital signal processor,
There is less current distortion and harmonic component and higher control accuracy, however it is necessary that systematic parameter is had certain cognition,
Control algolithm may be caused when model inductance does not mates with parameter between actual inductance unstable, and cannot effectively follow the tracks of grid-connected inverse
Become the output electric current of device.
Algorithm is carried out with the aspect such as stability by Hysteresis control mainly around error compensation, noise suppressed and parameter coupling
Perfect, but the stability of system is the most well improved, to inductance not matching degree in transformer oil in net inverter
Tolerance is less, directly affects quality and the cost of inverter, has the most effectively managed defecator, rationally solve cooling,
Filter and bad cause being lost too high, be problem in urgent need to solve.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides transformer oil filter electrical in a kind of wide imported combining inverter
Control system, including filtering tank 1, fuel feed hole 2, deironing apparatus 3, drainage screen 4, drainage screen draw-in groove 5, oil outlet 6, close
Capping 7, controller 8；Described filtering tank 1 top is provided with sealing lid 7, and filtering tank 1 one upper lateral part is provided with oil outlet 6, filters
Tank 1 bottom centre is provided with fuel feed hole 2, and filtering tank 1 bottom interior wall is provided with drainage screen draw-in groove 5, and filtering tank 1 inside center is provided with
Deironing apparatus 3；Described drainage screen draw-in groove 5 top is provided with drainage screen 4.
Further, described deironing apparatus 3, including motor 3-1, transfer gear box 3-2, rotary shaft 3-3, distributor 3-
4, permanent magnetic strip 3-5；Described motor 3-1 is positioned at sealing lid 7 tops, motor 3-1 one end and transfer gear box 3-2 vertically through
Connect；Described transfer gear box 3-2 is positioned at sealing lid 7 upper center positions, and transfer gear box 3-2 is hung down with sealing lid 7 tops
Straight seamless welding, transfer gear box 3-2 lower end with rotary shaft 3-3 vertically through being connected；Described rotary shaft 3-3 is vertically to arrange
Cylinder oblique crank Z, rotary shaft 3-3 upper end is with transfer gear box 3-2 vertically through being connected, and rotary shaft 3-3 lower end passes perpendicularly through close
Cover 7 centers and stretch into filtering tank 1 inside；Described distributor 3-4 is positioned at rotary shaft 3-3 bottom, and distributor 3-4 center is
Cirque structure is also tightly sleeved in rotary shaft 3-3 bottom, and distributor 3-4 outer end is four and is vertically welded in outside central circular
And the rectangle quarter butt being arranged symmetrically with, rectangle quarter butt outer end is four rectangular channels bent downward vertically；Described permanent magnetic strip 3-5 is square
Shape list structure, in permanent magnetic strip 3-5 upper end card is placed on four rectangular channels of distributor 3-4 outer end and is fixed on by clamp nut
On distributor 3-4；Described motor 3-1 is connected with controller 8 wire.
Further, described drainage screen 4, including considering hole wall 4-1, considering hole 4-2, filter screen obstruction induction apparatus 4-3；Wherein institute
Stating worry hole wall 4-1 is regular hexagon structure, and the length of side considering hole wall 4-1 is 10 μm～100 μm；Described worry hole 4-2 is for considering hole
The hexagon through hole in wall 4-1 besieged city, the degree of depth considering hole 4-2 is 10 μm～100 μm；Described filter screen blocks induction apparatus 4-3
Being positioned at hole wall 4-1 surface, filter screen blocks induction apparatus 4-3 and is connected with controller 8 wire.
Further, described drainage screen 4 is by macromolecular material pressing mold molding, the constituent of drainage screen 4 and manufacture process
As follows:
1st step, to add electrical conductivity in a kettle. be the ultra-pure water 750 of 1.5 μ S/cm～3.0 μ S/cm～1300 parts, starts reaction
Agitator in still, rotating speed is 50rpm～80rpm, starts heat pump, makes reactor temperature rise to 50 DEG C～60 DEG C；Depend on
Secondary addition dithyl sulfate 3～15 parts, diethylene glycol diethyl ester 3～15 parts, n-propyl acetate 3～15 parts, stirring is to the most molten
Solving, regulation pH value is 6.5～8.5, and agitator speed is adjusted to 100rpm～120rpm, and temperature is 70 DEG C～95 DEG C, ester
Change reaction 1～10 hour；
2nd step, taking oxalic acid n-propyl 3～15 parts, allyl formate 3～15 parts of pulverizing, powder diameter is 30～100 mesh；Add
Nanoscale boric acid rhodium 100～135 parts of mix homogeneously, be laid in pallet, and tiling thickness is 15mm～20mm, uses dosage
For alpha ray irradiation 5min～9min that 2.3kGy～3.0kGy, energy are 0.25MeV～1.50MeV；
3rd step, the mixed-powder processed through the 2nd step are dissolved in n-butyl propionate 50～75 parts, add reactor, agitator speed
For 80rpm～100rpm, temperature is 90 DEG C～110 DEG C, start vacuum pump make the vacuum of reactor reach-0.01MPa～-
0.02MPa, keeps this state response 1h～10h；Pressure release is also passed through ammonia, make reacting kettle inner pressure be 0.01MPa～
0.02MPa, insulation stands 1h～10h；Agitator speed is promoted to 110rpm～130rpm afterwards, and simultaneous reactions still pressure release is extremely
0MPa；It is sequentially added into isobutyl propionate 3～after 15 parts, di-isobutyl oxalate 3～15 parts are completely dissolved, adds cross-linking agent
30～50 parts of stirring mixing so that the hydrophile-lipophile balance value of reactor solution is 4.2～6.5, and insulation stands 1h～10h；
4th step, when agitator speed is 60rpm～85rpm, be sequentially added into the most own ester of acetic acid 3～15 parts, trioctyl phosphate
3～15 parts and glycol dicaprylate 3～15 parts, promote reactor pressure so that it is reach 2.50MPa～4.05MPa, temperature
Degree is 115 DEG C～145 DEG C, polyreaction 1h～10h；After having reacted, reacting kettle inner pressure is down to 0MPa, is cooled to
40 DEG C～45 DEG C, discharging, enter molding press and can be prepared by drainage screen 4；
Described cross-linking agent is glycerol dibutyrate；
The particle diameter of described nanoscale boric acid rhodium is 150nm～280nm.
Further, the invention also discloses transformer oil filter electrical control system in the imported combining inverter of a kind of width
Method of work, including herein below:
When the 1st step, filter operation, transformer oil to be filtered enters bottom filtering tank 1 from fuel feed hole 2, and deironing apparatus 3 starts simultaneously
Rotating, transformer oil to be filtered, after deironing apparatus 3 removes metal impurities, flows through drainage screen 4 and removes nonmetallic inclusion, finally
Filter clean transformer oil to discharge through oil outlet 6；
When the 2nd step, clean operation, open sealing lid 7, deironing apparatus 3 and drainage screen 4 are taken out, after cleaning is clean, will filter
Net 4 and deironing apparatus 3 are put back to, lid top cover labyrinth 7.
Transformer oil filter electrical control system and work side thereof in a kind of wide imported combining inverter disclosed in patent of the present invention
Method, has an advantage in that:
(1) this apparatus structure is simple, easy to operate；
(2) this device drainage screen uses macromolecular material press mold to make, and transformer oil removal of impurity is high, and material character is stable；
(3) this device processing speed is fast, and efficiency is high.
Transformer oil filter electrical control system and method for work, mistake in the wide imported combining inverter of one of the present invention
Filter screen uses macromolecular material press mold to make, and transformer oil removal of impurity is high, and material character is stable, and simple in construction is easy to operate.
Accompanying drawing explanation
Transformer oil filter electrical control system schematic diagram in the wide imported combining inverter of one that Fig. 1 is heretofore described.
Fig. 2 is deironing apparatus schematic diagram in the present invention.
Fig. 3 is filter screen structure schematic diagram in the present invention.
Fig. 4 is the heretofore described drainage screen transformer oil steady operation rate variation diagram with the time of use.
Fig. 5 is heretofore described inverter defecator control circuit figure.
In figure 1 above～Fig. 3, filtering tank 1, fuel feed hole 2, deironing apparatus 3, motor 3-1, transfer gear box 3-2,
Rotary shaft 3-3, distributor 3-4, permanent magnetic strip 3-5, drainage screen 4, to consider hole wall 4-1, consider hole 4-2, filter screen blocks induction apparatus 4-
3, drainage screen draw-in groove 5, oil outlet 6, seal lid 7, controller 8.
Detailed description of the invention
Transformer oil filter electrical in imported combining inverter wide with the one that the present invention is provided by embodiment below in conjunction with the accompanying drawings
Control system and method for work thereof are further described.
As it is shown in figure 1, be transformer oil filter electrical control system in the wide imported combining inverter of one that the present invention provides
Schematic diagram.As seen from the figure, including filtering tank 1, fuel feed hole 2, deironing apparatus 3, drainage screen 4, drainage screen draw-in groove 5, go out
Oilhole 6, sealing lid 7, controller 8；Transformer oil to be filtered enters bottom filtering tank 1 from fuel feed hole 2, fills except ferrum simultaneously
Putting 3 to start to rotate, transformer oil to be filtered, after deironing apparatus 3 removes metal impurities, flows through drainage screen 4 and removes nonmetal miscellaneous
Matter, finally filters clean transformer oil and discharges through oil outlet 6.
As in figure 2 it is shown, be heretofore described deironing apparatus schematic diagram.Find out from Fig. 2 or Fig. 1, described except ferrum
Device 3, including motor 3-1, transfer gear box 3-2, rotary shaft 3-3, distributor 3-4, permanent magnetic strip 3-5；Described motor 3-
1 be positioned at sealing lid 7 tops, motor 3-1 one end with transfer gear box 3-2 vertically through being connected；Described transfer gear box 3-2
Being positioned at sealing lid 7 upper center positions, transfer gear box 3-2 covers 7 upper vertical seamless weldings, transfer gear box 3-with sealing
2 lower ends with rotary shaft 3-3 vertically through being connected；Described rotary shaft 3-3 is the cylinder oblique crank Z vertically arranged, in rotary shaft 3-3
End is with transfer gear box 3-2 vertically through being connected, and rotary shaft 3-3 lower end passes perpendicularly through sealing lid 7 centers and stretches into filtering tank 1
Internal；Described distributor 3-4 is positioned at rotary shaft 3-3 bottom, and distributor 3-4 center is cirque structure and is tightly sleeved in rotation
Rotating shaft 3-3 bottom, distributor 3-4 outer end is four rectangle quarter butts being vertically welded in outside central circular and be arranged symmetrically with, square
Shape quarter butt outer end is four rectangular channels bent downward vertically；Described permanent magnetic strip 3-5 is rectangular strip structure, on permanent magnetic strip 3-5
In end card is placed on four rectangular channels of distributor 3-4 outer end and it is fixed on distributor 3-4 by clamp nut；Described motor 3-
1 is connected with controller 8 wire.
As it is shown on figure 3, be heretofore described filter screen structure schematic diagram, as seen from Figure 3, described drainage screen 4,
Including considering hole wall 4-1, considering hole 4-2, filter screen obstruction induction apparatus 4-3；Wherein said worry hole wall 4-1 is regular hexagon structure, considers
The length of side of hole wall 4-1 is 10 μm～100 μm；Described worry hole 4-2 is the hexagon through hole considering hole wall 4-1 besieged city, considers hole
The degree of depth of 4-2 is 10 μm～100 μm；Described filter screen blocks induction apparatus 4-3 and is positioned at hole wall 4-1 surface, and filter screen blocks sensing
Device 4-3 is connected with controller 8 wire.
Transformer oil filter electrical control system and method for work thereof in the imported combining inverter of a kind of width of the present invention
Work process is.
When the 1st step, filter operation, transformer oil to be filtered enters bottom filtering tank 1 from fuel feed hole 2, fills except ferrum simultaneously
Putting 3 to start to rotate, transformer oil to be filtered, after deironing apparatus 3 removes metal impurities, flows through drainage screen 4 and removes nonmetal miscellaneous
Matter, finally filters clean transformer oil and discharges through oil outlet 6；
When the 2nd step, clean operation, open sealing lid 7, deironing apparatus 3 and drainage screen 4 are taken out, after cleaning is clean, will filter
Net 4 and deironing apparatus 3 are put back to, lid top cover labyrinth 7.
Transformer oil filter electrical control system and method for work thereof in the wide imported combining inverter of one of the present invention,
Drainage screen uses macromolecular material press mold to make, and transformer oil removal of impurity is high, and material character is stable, simple in construction, operation side
Just.
The following is the embodiment of the manufacture process of drainage screen 4 of the present invention, embodiment is to further illustrate the present invention
Content, but should not be construed as limitation of the present invention.Without departing from the spirit and substance of the case in the present invention, to side of the present invention
Amendment that method, step or condition are made and replacement, belong to the scope of the present invention.
If not specializing, the conventional means that technological means used in embodiment is well known to those skilled in the art.
Embodiment 1
Manufacture drainage screen 4 of the present invention according to following steps, and count by weight:
1st step, in a kettle. addition electrical conductivity are the ultra-pure water 750 parts of 1.5 μ S/cm, start agitator in reactor, rotating speed
For 50rpm, start heat pump, make reactor temperature rise to 50 DEG C；It is sequentially added into dithyl sulfate 3 parts, diethylene glycol two
Ethyl ester 3 parts, n-propyl acetate 3 parts, stirring is to being completely dissolved, and regulation pH value is 6.5, is adjusted to by agitator speed
100rpm, temperature is 70 DEG C, esterification 1 hour；
2nd step, taking oxalic acid n-propyl 3 parts, allyl formate 3 parts pulverizing, powder diameter is 30 mesh；Add nanoscale boric acid rhodium
100 parts of mix homogeneously, are laid in pallet, and tiling thickness is 15mm, and employing dosage is 2.3kGy, energy is 0.25MeV
Alpha ray irradiation 5min；
3rd step, through the 2nd step process mixed-powder be dissolved in n-butyl propionate 50 parts, add reactor, agitator speed is
80rpm, temperature is 90 DEG C, starts vacuum pump and makes the vacuum of reactor reach-0.01MPa, keeps this state response 1h；Let out
Pressing and be passed through ammonia, making reacting kettle inner pressure is 0.01MPa, and insulation stands 1h；Agitator speed is promoted to 110rpm afterwards,
Simultaneous reactions still pressure release is to 0MPa；It is sequentially added into isobutyl propionate 3 parts, after di-isobutyl oxalate 3 parts is completely dissolved, adds
Cross-linking agent 30 parts stirring mixing so that the hydrophile-lipophile balance value of reactor solution is 4.2, and insulation stands 1h；
4th step, when agitator speed is 60rpm, be sequentially added into the most own ester of acetic acid 3 parts, trioctyl phosphate 3 parts and ethylene glycol bisthioglycolate
Caprylate 3 parts, promotes reactor pressure so that it is reaching 2.50MPa, temperature is 115 DEG C, polyreaction 1h；Reaction completes
After reacting kettle inner pressure is down to 0MPa, be cooled to 40 DEG C, discharging, enter molding press and can be prepared by drainage screen 4；
Described cross-linking agent is glycerol dibutyrate；
The particle diameter of described nanoscale boric acid rhodium is 150nm.
Embodiment 2
Manufacture drainage screen 4 of the present invention according to following steps, and count by weight:
1st step, in a kettle. addition electrical conductivity are the ultra-pure water 1300 parts of 3.0 μ S/cm, start agitator in reactor, turn
Speed is 80rpm, starts heat pump, makes reactor temperature rise to 60 DEG C；It is sequentially added into dithyl sulfate 15 parts, two sweet
Alcohol diethylester 15 parts, n-propyl acetate 15 parts, stirring is to being completely dissolved, and regulation pH value is 8.5, is adjusted by agitator speed
To 120rpm, temperature is 95 DEG C, esterification 10 hours；
2nd step, taking oxalic acid n-propyl 15 parts, allyl formate 15 parts pulverizing, powder diameter is 100 mesh；Add nanoscale boric acid
135 parts of mix homogeneously of rhodium, are laid in pallet, and tiling thickness is 20mm, and employing dosage is 3.0kGy, energy is
The alpha ray irradiation 9min of 1.50MeV；
3rd step, through the 2nd step process mixed-powder be dissolved in n-butyl propionate 75 parts, add reactor, agitator speed is
100rpm, temperature is 110 DEG C, starts vacuum pump and makes the vacuum of reactor reach-0.02MPa, keeps this state response 10h；
Pressure release is also passed through ammonia, and making reacting kettle inner pressure is 0.02MPa, and insulation stands 10h；Agitator speed is promoted to afterwards
130rpm, simultaneous reactions still pressure release to 0MPa；It is sequentially added into isobutyl propionate 15 parts, di-isobutyl oxalate 15 parts complete molten
Xie Hou, adds cross-linking agent 50 parts stirring mixing so that the hydrophile-lipophile balance value of reactor solution is 6.5, and insulation stands 10h；
4th step, when agitator speed is 85rpm, be sequentially added into the most own ester of acetic acid 15 parts, trioctyl phosphate 15 parts and ethylene glycol
Dicaprylate 15 parts, promotes reactor pressure so that it is reaching 4.05MPa, temperature is 145 DEG C, polyreaction 10h；Reaction
After completing, reacting kettle inner pressure is down to 0MPa, is cooled to 45 DEG C, discharging, enter molding press and can be prepared by drainage screen 4；
Described cross-linking agent is glycerol dibutyrate；
The particle diameter of described nanoscale boric acid rhodium is 280nm.
Embodiment 3
Manufacture drainage screen 4 of the present invention according to following steps, and count by weight:
1st step, in a kettle. addition electrical conductivity are the ultra-pure water 900 parts of 2.0 μ S/cm, start agitator in reactor, rotating speed
For 70rpm, start heat pump, make reactor temperature rise to 55 DEG C；It is sequentially added into dithyl sulfate 8 parts, diethylene glycol two
Ethyl ester 8 parts, n-propyl acetate 8 parts, stirring is to being completely dissolved, and regulation pH value is 7.5, is adjusted to by agitator speed
110rpm, temperature is 85 DEG C, esterification 5 hours；
2nd step, taking oxalic acid n-propyl 8 parts, allyl formate 8 parts pulverizing, powder diameter is 60 mesh；Add nanoscale boric acid rhodium
100～135 parts of mix homogeneously, are laid in pallet, and tiling thickness is 15mm～20mm, and employing dosage is 2.7kGy, energy
Amount is the alpha ray irradiation 7min of 1.10MeV；
3rd step, through the 2nd step process mixed-powder be dissolved in n-butyl propionate 65 parts, add reactor, agitator speed is
90rpm, temperature is 100 DEG C, starts vacuum pump and makes the vacuum of reactor reach-0.015MPa, keeps this state response 5h；
Pressure release is also passed through ammonia, and making reacting kettle inner pressure is 0.015MPa, and insulation stands 5h；Agitator speed is promoted to afterwards
120rpm, simultaneous reactions still pressure release to 0MPa；Be sequentially added into isobutyl propionate 8 parts, di-isobutyl oxalate 8 parts is completely dissolved
After, add cross-linking agent 40 parts stirring mixing so that the hydrophile-lipophile balance value of reactor solution is 5.5, and insulation stands 8h；
4th step, when agitator speed is 75rpm, be sequentially added into the most own ester of acetic acid 8 parts, trioctyl phosphate 8 parts and ethylene glycol bisthioglycolate
Caprylate 8 parts, promotes reactor pressure so that it is reaching 3.05MPa, temperature is 125 DEG C, polyreaction 5h；Reaction completes
After reacting kettle inner pressure is down to 0MPa, be cooled to 42 DEG C, discharging, enter molding press and can be prepared by drainage screen 4；
Described cross-linking agent is glycerol dibutyrate；
The particle diameter of described nanoscale boric acid rhodium is 180nm.
Reference examples
Reference examples is the drainage screen of certain brand commercially available.
Embodiment 4
Drainage screen described in the drainage screen 4 embodiment 1～3 prepared and reference examples is used for transformer oil and filters using effect contrast.
Adding up the two Unit Weight, the transformer oil rate of filtration, transformer oil removal of impurity, result is as shown in table 1.
As seen from Table 1, drainage screen 4 of the present invention, its Unit Weight, the transformer oil rate of filtration, transformer oil impurity go
Except rate is superior to the product that prior art produces.
Additionally, as shown in Figure 4, it is that drainage screen 4 transformer oil steady operation rate of the present invention changed with the use time
Statistics.Finding out in figure, drainage screen 4 used by embodiment 1～3, its use time and transformer oil steady operation rate are the most significantly better than
Existing product.
Fig. 5 is heretofore described inverter defecator control circuit figure.Figure is found out, described inverter defecator
Control system, is better than the product that prior art produces.
Claims (5)
1. a transformer oil filter electrical control system in wide imported combining inverter, including filtering tank (1), fuel feed hole (2),
Deironing apparatus (3), drainage screen (4), drainage screen draw-in groove (5), oil outlet (6), sealing lid (7), controller (8)；Its
It is characterised by: described filtering tank (1) top is provided with sealing lid (7), and filtering tank (1) upper lateral part is provided with oil outlet (6),
Filtering tank (1) bottom centre is provided with fuel feed hole (2), and filtering tank (1) bottom interior wall is provided with drainage screen draw-in groove (5), filtering tank
(1) inside center is provided with deironing apparatus (3)；Described drainage screen draw-in groove (5) top is provided with drainage screen (4), drainage screen draw-in groove
(5) it is stainless steel.
Transformer oil filter electrical control system in the wide imported combining inverter of one the most according to claim 1, its feature exists
In: described deironing apparatus (3), including motor (3-1), transfer gear box (3-2), rotary shaft (3-3), distributor (3-
4), permanent magnetic strip (3-5)；Wherein said motor (3-1) is positioned at sealing lid (7) top, and motor (3-1) one end becomes with transmission
Speed case (3-2) is vertically through connection；Described transfer gear box (3-2) is positioned at sealing lid (7) upper center position, transmission
Change speed gear box (3-2) covers (7) upper vertical seamless welding with sealing, transfer gear box (3-2) lower end and rotary shaft (3-3)
Vertically through connection；Described rotary shaft (3-3) is the cylinder oblique crank Z vertically arranged, rotary shaft (3-3) upper end and transmission gear shift
Case (3-2) is vertically through connection, and rotary shaft (3-3) lower end passes perpendicularly through sealing lid (7) center and stretches into filtering tank (1)
Internal；Described distributor (3-4) is positioned at rotary shaft (3-3) bottom, and distributor (3-4) center is that cirque structure is the tightst
Being socketed in rotary shaft (3-3) bottom, distributor (3-4) outer end is four and is vertically welded in outside central circular and is arranged symmetrically with
Rectangle quarter butt, rectangle quarter butt outer end is four rectangular channels bent downward vertically；Described permanent magnetic strip (3-5) is rectangular strip
Structure, in permanent magnetic strip (3-5) upper end card is placed on four rectangular channels of distributor (3-4) outer end and is fixed on by clamp nut
On distributor (3-4)；Described motor (3-1) is connected with controller (8) wire.
Transformer oil filter electrical control system in the wide imported combining inverter of one the most according to claim 1, its feature exists
In: described drainage screen (4), including considering hole wall (4-1), considering hole (4-2), filter screen obstruction induction apparatus (4-3)；Wherein said
Considering hole wall (4-1) is regular hexagon structure, and the length of side considering hole wall (4-1) is 10 μm～100 μm；Described worry hole (4-2)
For considering the hexagon through hole that hole wall (4-1) is encircled a city, the degree of depth considering hole (4-2) is 10 μm～100 μm；Described filter screen hinders
Plug induction apparatus (4-3) is positioned at hole wall (4-1) surface, and filter screen blocks induction apparatus (4-3) and is connected with controller (8) wire.
Transformer oil filter electrical control system in the wide imported combining inverter of one the most according to claim 1, its feature exists
In: described drainage screen (4) is by macromolecular material pressing mold molding, and constituent and the manufacture process of drainage screen (4) are as follows:
1st step, to add electrical conductivity in a kettle. be the ultra-pure water 750 of 1.5 μ S/cm～3.0 μ S/cm～1300 parts, starts reaction
Agitator in still, rotating speed is 50rpm～80rpm, starts heat pump, makes reactor temperature rise to 50 DEG C～60 DEG C；Depend on
Secondary addition dithyl sulfate 3～15 parts, diethylene glycol diethyl ester 3～15 parts, n-propyl acetate 3～15 parts, stirring is to the most molten
Solving, regulation pH value is 6.5～8.5, and agitator speed is adjusted to 100rpm～120rpm, and temperature is 70 DEG C～95 DEG C, ester
Change reaction 1～10 hour；
2nd step, taking oxalic acid n-propyl 3～15 parts, allyl formate 3～15 parts of pulverizing, powder diameter is 30～100 mesh；Add
Nanoscale boric acid rhodium 100～135 parts of mix homogeneously, be laid in pallet, and tiling thickness is 15mm～20mm, uses dosage
For alpha ray irradiation 5min～9min that 2.3kGy～3.0kGy, energy are 0.25MeV～1.50MeV；
3rd step, the mixed-powder processed through the 2nd step are dissolved in n-butyl propionate 50～75 parts, add reactor, agitator speed
For 80rpm～100rpm, temperature is 90 DEG C～110 DEG C, start vacuum pump make the vacuum of reactor reach-0.01MPa～-
0.02MPa, keeps this state response 1h～10h；Pressure release is also passed through ammonia, make reacting kettle inner pressure be 0.01MPa～
0.02MPa, insulation stands 1h～10h；Agitator speed is promoted to 110rpm～130rpm afterwards, and simultaneous reactions still pressure release is extremely
0MPa；It is sequentially added into isobutyl propionate 3～after 15 parts, di-isobutyl oxalate 3～15 parts are completely dissolved, adds cross-linking agent
30～50 parts of stirring mixing so that the hydrophile-lipophile balance value of reactor solution is 4.2～6.5, and insulation stands 1h～10h；
4th step, when agitator speed is 60rpm～85rpm, be sequentially added into the most own ester of acetic acid 3～15 parts, trioctyl phosphate
3～15 parts and glycol dicaprylate 3～15 parts, promote reactor pressure so that it is reach 2.50MPa～4.05MPa, temperature
Degree is 115 DEG C～145 DEG C, polyreaction 1h～10h；After having reacted, reacting kettle inner pressure is down to 0MPa, is cooled to
40 DEG C～45 DEG C, discharging, enter molding press and can be prepared by drainage screen (4)；
Described cross-linking agent is glycerol dibutyrate；
The particle diameter of described nanoscale boric acid rhodium is 150nm～280nm.
5. the method for work of transformer oil filter electrical control system in one kind wide imported combining inverter, it is characterised in that Yi Zhongkuan
In imported combining inverter, the method for work of transformer oil filter electrical control system includes following step:
When the 1st step, filter operation, transformer oil to be filtered enters filtering tank (1) bottom, deironing apparatus simultaneously from fuel feed hole (2)
(3) starting to rotate, transformer oil to be filtered, after deironing apparatus (3) removes metal impurities, flows through drainage screen (4) and removes
Nonmetallic inclusion, finally filters clean transformer oil and discharges through oil outlet (6)；
When the 2nd step, clean operation, open sealing lid (7), deironing apparatus (3) and drainage screen (4) are taken out, after cleaning is clean,
Drainage screen (4) and deironing apparatus (3) are put back to, lid top cover labyrinth (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610567247.0A CN106024310B (en) | 2016-07-18 | 2016-07-18 | Transformer oil filter electrical control system in combining inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610567247.0A CN106024310B (en) | 2016-07-18 | 2016-07-18 | Transformer oil filter electrical control system in combining inverter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106024310A true CN106024310A (en) | 2016-10-12 |
| CN106024310B CN106024310B (en) | 2017-11-14 |
Family
ID=57118487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610567247.0A Expired - Fee Related CN106024310B (en) | 2016-07-18 | 2016-07-18 | Transformer oil filter electrical control system in combining inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106024310B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335746A (en) * | 2019-07-08 | 2019-10-15 | 长园深瑞监测技术有限公司 | A kind of online full-automatic oil filtering machine and its control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6337012B1 (en) * | 2000-02-28 | 2002-01-08 | Arthur J. Devine | Universal magnetic filter insert |
| CN102537640A (en) * | 2012-02-03 | 2012-07-04 | 吉首大学 | High-efficiency combined oil filter |
| CN203297202U (en) * | 2013-06-19 | 2013-11-20 | 内蒙古大禹节水技术有限公司 | Hydraulic-oil magnetic filter |
| CN204620189U (en) * | 2015-04-30 | 2015-09-09 | 宁波西磁磁业发展有限公司 | A kind of powder equipment for removing ferric ion |
| CN105317504A (en) * | 2015-12-07 | 2016-02-10 | 邵良玉 | Automobile oil filter |
-
2016
- 2016-07-18 CN CN201610567247.0A patent/CN106024310B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6337012B1 (en) * | 2000-02-28 | 2002-01-08 | Arthur J. Devine | Universal magnetic filter insert |
| CN102537640A (en) * | 2012-02-03 | 2012-07-04 | 吉首大学 | High-efficiency combined oil filter |
| CN203297202U (en) * | 2013-06-19 | 2013-11-20 | 内蒙古大禹节水技术有限公司 | Hydraulic-oil magnetic filter |
| CN204620189U (en) * | 2015-04-30 | 2015-09-09 | 宁波西磁磁业发展有限公司 | A kind of powder equipment for removing ferric ion |
| CN105317504A (en) * | 2015-12-07 | 2016-02-10 | 邵良玉 | Automobile oil filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335746A (en) * | 2019-07-08 | 2019-10-15 | 长园深瑞监测技术有限公司 | A kind of online full-automatic oil filtering machine and its control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106024310B (en) | 2017-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106024310A (en) | Transformer oil filter electrical control system in wide-input gird-connected inverter and working method thereof | |
| CN203492695U (en) | Full-automatic bean curd making machine | |
| CN108002673A (en) | A kind of new sludge press filtration device for being capable of iron removaling | |
| CN212819934U (en) | Safety cauldron is used in production of waterborne acrylic emulsion with safety equipment | |
| CN215084916U (en) | Distillation device for filtering chemical reagent | |
| CN213335508U (en) | Automatic change anaerobic copper wire apparatus for producing | |
| CN104292198A (en) | Grignard hydrolysis two-phase separation synthesis method and device in maltol production | |
| CN212246932U (en) | Multistage equipment of squeezing is used in walnut oil production | |
| CN209696397U (en) | Lasaxing Oilfield automatic filter | |
| CN108097147A (en) | A kind of raw material of industry Quick cooling equipment with filtering function | |
| CN207227038U (en) | A kind of recycling cooling reuse means of charge and discharge cycles water | |
| CN107739130B (en) | The dress ornament sewage treatment process recycled | |
| CN210026679U (en) | Multifunctional UV ink heating device | |
| CN108788083A (en) | A kind of auto parts machinery production has with high precision solid casting die | |
| CN217019247U (en) | Special equipment for pipe welding | |
| CN203203390U (en) | Novel salt bath furnace for heating and cleaning mould | |
| CN213028597U (en) | Temperature keeping device for separating and purifying medical intermediate | |
| CN216366658U (en) | Octanoic acid mercaptan ester processing is with stills that have filtration | |
| CN210304766U (en) | Stamping workpiece guide unit | |
| CN213506815U (en) | Liquid detergent production device | |
| CN218146522U (en) | Production facility of yak milk refining butter | |
| CN213738899U (en) | Be applied to thermoforming equipment cooling circulation system's filter screen | |
| CN209967837U (en) | Stirring filter equipment is used in mutton fat production | |
| CN210314126U (en) | Convenient and fast sump oil treatment device for oil well flowmeter | |
| CN209081561U (en) | A kind of pelleter water circle device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20180718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |