CN103469318B - A kind of calcining method for cleaning of spinneret - Google Patents
A kind of calcining method for cleaning of spinneret Download PDFInfo
- Publication number
- CN103469318B CN103469318B CN201310395053.3A CN201310395053A CN103469318B CN 103469318 B CN103469318 B CN 103469318B CN 201310395053 A CN201310395053 A CN 201310395053A CN 103469318 B CN103469318 B CN 103469318B
- Authority
- CN
- China
- Prior art keywords
- spinneret
- cleaning
- wire
- calcining
- muffle furnace
- 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.)
- Expired - Fee Related
Links
- 238000001354 calcination Methods 0.000 title claims abstract description 74
- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 8
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000011214 refractory ceramic Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 3
- 229960001763 zinc sulfate Drugs 0.000 claims description 3
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 15
- 230000007797 corrosion Effects 0.000 abstract description 14
- 238000007254 oxidation reaction Methods 0.000 abstract description 10
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000003837 high-temperature calcination Methods 0.000 abstract description 3
- 238000009987 spinning Methods 0.000 abstract description 3
- 238000005486 sulfidation Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 239000005864 Sulphur Substances 0.000 description 6
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910001119 inconels 625 Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Furnace Details (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention relates to a kind of calcining method for cleaning of spinneret, spinneret is placed in Muffle furnace and calcined, cathode wire and positive wire are provided with the burner hearth of the Muffle furnace, the cathode wire and the positive wire pass through the body of heater and insulated heat of the Muffle furnace, the cathode wire connects negative electrode, the positive wire is connected to the negative pole of dc source, and the positive pole of dc source is placed in electrolytic cell by wire jointed anode, the negative electrode and the anode;The spinneret both sides connect the cathode wire and the positive wire respectively.In the presence of external power supply, oxidation or sulfidation corrosion of the spinneret under high-temperature calcination is greatly inhibited to cause while effective calcining cleaning, the material and structural integrity of spinneret are ensure that, with the stability and high efficiency for extending the service life of object and body of heater and ensure that spinning work.
Description
Technical field
The present invention relates to a kind of calcining method for cleaning of spinneret, and in particular to it is a kind of prevent spinneret corrode calcining it is clear
Reason method.
Background technology
At present, need to carry out cleaning process to spinneret during the R&D and production of chemical fibre, it is necessary to by spinneret
Progress high-temperature calcination cleaning in Muffle furnace is placed in, temperature is at 300~600 DEG C.
Because spinneret is manufactured by steel alloy material, if containing the element that the oxidisability such as aerobic, sulphur are high in polymer raw material,
Electronics then can be lost by metal under the high temperature conditions, chemical valence rise, while oxygen or sulphur obtain electronics, in the electricity of the system of holding
Property, metal oxide or sulfide are formd, is called the oxidation or vulcanization of metal.If caused in Muffle furnace calcining scale removal process
The oxidation or sulfidation corrosion of spinneret material, can cause shortcoming to have:
First, spinneret material is corroded, and the structure of material produces defect, and material becomes fragile, size distortion, under the influence of time production
Process;
2nd, the accumulation of metal erosion thing, which covers, needs the chemicals for being calcined cleaning, causes cleaning unnet, influences to give birth to
Production;
3rd, metal erosion thing can be accumulated in large quantities in Muffle furnace, influence the thermal efficiency, cause service life of equipment brief.
The conventional measure for preventing object high temperature corrosion for clearance has:
First, control corrosion rate environment, that is, vacuum calcining is carried out so that oxysulfide can be in time as caused by calcination process
Exclude furnace chamber, to reduce compound and isoelectric membrane for clearance, though this method can reduce the extent of corrosion of material, not from
The corrosion of material is fundamentally prevented;
2nd, resistant material is selected, but the selectivity of material is smaller, if because sulfidation corrosion occurs for metal, generation
Sulfide has special property, unstable, volumetric ratio is big, and film is easily peelable, lattice defect is more, fusing point and low boiling point, easily generation
The easily generation low melting point eutectic, therefore resistance to height such as the such sulfide of various sulfide and oxide, sulfate and metal for not fixing a price
Warm vulcanizing material is few;
3rd, effective anticorrosive coat is selected, i.e., anti-corrosion treatment, conventional guard technology are carried out to object surface for clearance
Have and electric arc spraying, supersonic spray coating etc. are carried out using hot coatings such as NiCr, FeCr and Inconel625 to material surface, though can
Play certain protective action to material, but hot coating all contain Cr, the fragility of material can be caused to become big, it is difficult to when long
Between carry out high-pressure spinning, maintenance and maintenance cost are higher.
The content of the invention
The purpose of the present invention is the defects of this is to prior art, there is provided a kind of calcining method for cleaning of spinneret, in spinneret
Plate external current protection device, enough electronics are provided for spinneret, greatly reduce the oxidation and vulcanization of spinneret, overcome existing skill
In art in Muffle furnace high-temperature calcination scale removal process caused oxide and sulfide to caused by spinneret corrosion.
A kind of calcining method for cleaning of spinneret of the present invention:Spinneret is placed in Muffle furnace and calcined, the Muffle furnace
Burner hearth in be provided with cathode wire and positive wire, the cathode wire and the positive wire pass through the stove of the Muffle furnace
Body and insulated heat, the cathode wire connect negative electrode, and the positive wire is connected to the negative pole of dc source, and dc source is just
Pole is placed in electrolytic cell by wire jointed anode, the negative electrode and the anode;The spinneret both sides connect described respectively
Cathode wire and the positive wire.
A kind of calcining method for cleaning of spinneret as described above, the calcining heat of the calcining cleaning is 450~550
℃;The calcination time of the calcining cleaning is 10~20h.Cleaned out in order to which spinneret can be calcined sufficiently.
A kind of calcining method for cleaning of spinneret as described above, the dc source is dry cell or battery.It is described
The both end voltage of dc source is 1.5~3V.Dc source requires that power-supply device is safe and reliable;Supply voltage continuously adjustabe, energy
It is enough to adapt to local working environment(Temperature, humidity), for power with being matched by protection structures, Operation and Maintenance is simple, moreover it is possible to permanent
Electric current exports.User can be adjusted as needed.Stable electronics is to provide for using dc source to export, and is made on spinneret
Remain a number of electric charge;When the simple substance or compound of oxygen or element sulphur are aoxidized or vulcanized to spinneret, spray
Metallic element on filament plate can lose electronics because occurring oxidation reaction;Now, exported on spinneret by dc source and band
Electric charge can rapidly supplement lost electronics, terminate oxidation reaction, do not occur even, the corrosion that spinneret is subject to is big
It is big to decline, it is protected.
A kind of calcining method for cleaning of spinneret as described above, the electrolyte of the electrolytic cell is solution of zinc sulfate;Institute
The material for stating negative electrode is graphite;The material of the anode is high purity zinc;The material of the cathode wire and the positive wire is all
For copper.Copper conductor stability and corrosion resistance are relatively good.Anode is sacrificial anode, is to be able to have in time using active metal
The electronics lost in the supplementary circuitry of effect by the oxidation reaction on spinneret, ensure the stabilization of circuit electric charge, it is had preferably
Anticorrosion ability.
A kind of calcining method for cleaning of spinneret as described above, what negative electrode, anode, dc source and spinneret were formed
Series resistor and switch on loop.Closed-loop path can be such that electric charge is moved in loop, beneficial to the supplement of electric charge.
A kind of calcining method for cleaning of spinneret as described above, the resistance are slide rheostat, and its Standard resistance range is 0
~200 Ω;And the loop concatenates galvanometer.Slide rheostat and galvanometer make the electric current in circuit quantitative adjustable, with full
Required protective current during sufficient spinneret calcining.
A kind of calcining method for cleaning of spinneret as described above, the cathode wire is in the burner hearth of the Muffle furnace
Termination sets clamping device, and termination of the positive wire in the burner hearth of the Muffle furnace sets clamping device.Clamping device
It is to fix spinneret, and spinneret is connected into circuit, forms closed-loop path.
A kind of calcining method for cleaning of spinneret as described above, the clamping device is metal clip, and its material is copper.Choosing
It is because its less expensive, and to compare torpescence, oxygen and sulphur rotten to it for chemical property by the use of copper as the material of clamping device
Erosion is smaller;Even if use for a long time is necessarily corroded and needs to change, also can conveniently obtain, it is cost-effective.
A kind of calcining method for cleaning of spinneret as described above, the insulated heat wrap up described the moon using ceramic material
Polar conductor and the positive wire;Ceramic material is high-temperature insulation insulated heat material, is wrapped in the cathode wire
It outside the positive wire, can effectively play a part of insulated heat, prevent wire from being contacted with other conductors and causing leakage
Electricity, be advantageous to the stability of holding circuit.
A kind of calcining method for cleaning of spinneret as described above, the burner hearth of the Muffle furnace is interior to set an objective table, institute
State objective table and use refractory ceramics plate, the objective table insulation;The spinneret is placed on the objective table.Refractory ceramics
Plate can keep original property under the calcining heat of spinneret, and be insulated with spinneret, do not interfere with spinneret place and return
The movement of the electric charge on road.
When using the calcining method for cleaning calcining cleaning spinneret of the present invention, need that spinneret first is cleaned out into two pieces totally
Region, clamping device is clipped in clean region fixed, when connecting in the loop so as to workpiece for clearance, can form and lead
Electric pathway;Then spinneret is placed in the article carrying piece in burner hearth, fixed using clamping device, fixing point is in two pieces cleaned out
In clean region, dc source parameter is set, closure switch, when closed-loop path forms regular path, adjusts slide rheostat.
Then, Muffle furnace can be carried out normally calcining work.Muffle furnace parameters are set, start the calcining of workpiece for clearance.
Beneficial effect:
A kind of calcining method for cleaning of spinneret of the present invention compared with prior art, the advantage is that:Present invention utilizes
Simple external power supply protection technique, effectively inhibit Muffle furnace metal erosion caused by when high temperature clears up spinneret so that
While effective calcining cleaning, the structural integrity of spinneret material is ensure that, to extend the service life of object and ensure that
The stability and high efficiency of spinning work.
Brief description of the drawings
Fig. 1 be the present invention calcining method for cleaning required for Muffle furnace general structure schematic diagram.
Fig. 2 be the present invention calcining method for cleaning required for Muffle furnace cross-sectional view.
Fig. 3 be the present invention calcining method for cleaning required for Muffle furnace theory structure schematic diagram.
In figure, 1, Muffle furnace temperature-controlled portion;2nd, Muffle furnace oven body part;3rd, positive wire;4th, external power supply control section;
401st, dc source;402nd, ammeter;403rd, switch;404th, slide rheostat;405th, anode;406th, negative electrode;407th, electrolytic cell;
5th, cathode wire;6th, clamping device;7th, objective table;8th, spinneret.
Embodiment
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
Bright rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, art technology
Personnel can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Fixed scope.
A kind of calcining method for cleaning of spinneret of the present invention:As shown in figure 3, by spinneret(8)It is placed in Muffle furnace and forges
Burn, cathode wire is provided with the burner hearth of the Muffle furnace(5)And positive wire(3), the cathode wire(5)With the anode
Wire(3)Through the body of heater of the Muffle furnace(2)And insulated heat, the cathode wire connect negative electrode(406), the anode leads
Line is connected to the negative pole of dc source, and the positive pole of dc source passes through wire jointed anode(405), the negative electrode and the anode are put
In electrolytic cell;The spinneret both sides connect the cathode wire and the positive wire respectively.
A kind of calcining method for cleaning of spinneret as described above, the calcining heat of the calcining cleaning is 450~550
℃;The calcination time of the calcining cleaning is 10~20h.Cleaned out in order to which spinneret can be calcined sufficiently.
A kind of calcining method for cleaning of spinneret as described above, the dc source(401)For dry cell or battery.
The both end voltage of the dc source is 1.5~3V.Dc source requires that power-supply device is safe and reliable;Supply voltage continuously may be used
Adjust, can adapt to the working environment of locality(Temperature, humidity), for power with being matched by protection structures, Operation and Maintenance is simple, also
Can Constant current output.User can be adjusted as needed.Stable electronics is to provide for using dc source to export, and makes spinneret
A number of electric charge is remained on plate;When the simple substance or compound of oxygen or element sulphur are aoxidized or vulcanized to spinneret
When, the metallic element on spinneret can lose electronics because occurring oxidation reaction;Now, exported on spinneret by dc source
And the electric charge of band can rapidly supplement lost electronics, oxidation reaction is terminated, do not occurred even, the corruption that spinneret is subject to
Erosion is greatly reduced, and it is protected.
A kind of calcining method for cleaning of spinneret as described above, the electrolytic cell(407)Electrolyte for zinc sulfate it is molten
Liquid;The negative electrode(406)Material be graphite;The anode(405)Material be high purity zinc;The cathode wire and the sun
The material of polar conductor is all copper.Copper conductor stability and corrosion resistance are relatively good.Anode is sacrificial anode, is using active metal
In order to the electronics lost in timely and effectively supplementary circuitry by the oxidation reaction on spinneret, ensure the steady of circuit electric charge
It is fixed, it is had preferable anticorrosion ability.
A kind of calcining method for cleaning of spinneret as described above, what negative electrode, anode, dc source and spinneret were formed
Series resistor and switch on loop(403), form external power supply control section(4).Closed-loop path can be such that electric charge is moved in loop
It is dynamic, beneficial to the supplement of electric charge.
A kind of calcining method for cleaning of spinneret as described above, the resistance is slide rheostat(404), its resistance model
Enclose for 0~200 Ω;And the loop concatenates galvanometer(402).Slide rheostat and galvanometer quantify the electric current in circuit
It is adjustable, required protective current during meeting spinneret calcining.
The calcining method for cleaning of a kind of spinneret as described above, as shown in Fig. 2 the cathode wire is in the Muffle furnace
Burner hearth in termination set clamping device(6), termination of the positive wire in the burner hearth of the Muffle furnace sets clamping
Device(6).Clamping device is to fix spinneret, and spinneret is connected into circuit, forms closed-loop path.
A kind of calcining method for cleaning of spinneret as described above, the clamping device is metal clip(6), its material is
Copper.It is because its less expensive, and chemical property compares torpescence, oxygen and sulphur from material of the copper as clamping device
It is corroded smaller;Even if use for a long time is necessarily corroded and needs to change, also can conveniently obtain, it is cost-effective.
A kind of calcining method for cleaning of spinneret as described above, the insulated heat wrap up described the moon using ceramic material
Polar conductor and the positive wire;Ceramic material is high-temperature insulation insulated heat material, is wrapped in the cathode wire
It outside the positive wire, can effectively play a part of insulated heat, prevent wire from being contacted with other conductors and causing leakage
Electricity, be advantageous to the stability of holding circuit.
A kind of calcining method for cleaning of spinneret as described above, the burner hearth of the Muffle furnace is interior to set an objective table(7),
The objective table uses refractory ceramics plate, the objective table insulation;The spinneret is placed on the objective table.High temperature resistant is made pottery
Porcelain plate can keep original property under the calcining heat of spinneret, and be insulated with spinneret, not interfere with spinneret place
The movement of the electric charge in loop.
Embodiment 1
Spinneret for clearance is cleaned out into two pieces of clean regions, the load then placed it in the burner hearth of Muffle furnace
On thing platform, it is connected with the cathode wire in Muffle furnace and anode by copper metal clip, the folder o'clock of metal clip is at two pieces
In clean region, from two section dry cells, then supply voltage be 3V, closure switch, after electric power loop path, regulation slip variable resistance
Device, it is 30mA to make ammeter registration;Then, as shown in figure 1, to Muffle furnace temperature-controlled portion(1)Set, Muffle furnace is set
Calcining heat is 550 DEG C, calcination time 20h, carries out calcining cleaning.
The corrosion of the spinneret after calcining cleaning greatly reduces in this way, does not influence to reuse.
Embodiment 2
Spinneret for clearance is cleaned out into two pieces of clean regions, the load then placed it in the burner hearth of Muffle furnace
On thing platform, it is connected with the cathode wire in Muffle furnace and anode by copper metal clip, the folder o'clock of metal clip is at two pieces
In clean region, from a section dry cell, then supply voltage be 1.5V, closure switch, and after electric power loop path, change is slided in regulation
Device is hindered, it is 10mA to make ammeter registration;Then, as shown in figure 1, to Muffle furnace temperature-controlled portion(1)Set, Muffle furnace is set
Calcining heat be 450 DEG C, calcination time 10h, carry out calcining cleaning.
The corrosion of the spinneret after calcining cleaning greatly reduces in this way, does not influence to reuse.
Embodiment 3
Spinneret for clearance is cleaned out into two pieces of clean regions, the load then placed it in the burner hearth of Muffle furnace
On thing platform, it is connected with the cathode wire in Muffle furnace and anode by copper metal clip, the folder o'clock of metal clip is at two pieces
In clean region, from a section battery, then supply voltage be 2V, closure switch, after electric power loop path, regulation slip variable resistance
Device, it is 20mA to make ammeter registration;Then, as shown in figure 1, to Muffle furnace temperature-controlled portion(1)Set, Muffle furnace is set
Calcining heat is 550 DEG C, calcination time 15h, carries out calcining cleaning.
The corrosion of the spinneret after calcining cleaning greatly reduces in this way, does not influence to reuse.
Claims (7)
1. a kind of calcining method for cleaning of spinneret, spinneret is placed in Muffle furnace and calcined, it is characterized in that:The Muffle furnace
Cathode wire and positive wire are provided with burner hearth, the cathode wire and the positive wire pass through the body of heater of the Muffle furnace
And insulated heat, the cathode wire connect negative electrode, the positive wire is connected to the negative pole of dc source, the positive pole of dc source
By wire jointed anode, the negative electrode and the anode are placed in electrolytic cell;The spinneret both sides connect described the moon respectively
Polar conductor and the positive wire;The electrolyte of the electrolytic cell is solution of zinc sulfate;The material of the negative electrode is graphite;It is described
The material of anode is high purity zinc;The material of the cathode wire and the positive wire is all copper;The calcining of the calcining cleaning
Temperature is 450~550 DEG C;The calcination time of the calcining cleaning is 10~20h;The dc source is dry cell or electric power storage
Pond, the both end voltage of the dc source is 1.5~3V.
2. the calcining method for cleaning of a kind of spinneret according to claim 1, it is characterised in that negative electrode, anode, direct current
Series resistor and switch on the loop that source and spinneret are formed.
3. the calcining method for cleaning of a kind of spinneret according to claim 2, it is characterised in that the resistance becomes to slide
Device is hindered, its Standard resistance range is 0~200 Ω;And the loop concatenates galvanometer.
4. the calcining method for cleaning of a kind of spinneret according to claim 1, it is characterised in that the cathode wire is in institute
The termination stated in the burner hearth of Muffle furnace sets the first clamping device, termination of the positive wire in the burner hearth of the Muffle furnace
Second clamping device is set;First clamping device and the second clamping device clamping spinneret.
A kind of 5. calcining method for cleaning of spinneret according to claim 4, it is characterised in that first clamping device
It is metal clip with the second clamping device, its material is copper.
6. the calcining method for cleaning of a kind of spinneret according to claim 1, it is characterised in that the insulated heat uses
Ceramic material wraps up the cathode wire and the positive wire.
A kind of 7. calcining method for cleaning of spinneret according to claim 1, it is characterised in that the burner hearth of the Muffle furnace
One objective table of interior setting, the objective table use refractory ceramics plate, the objective table insulation;The spinneret is placed in the load
On thing platform.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310395053.3A CN103469318B (en) | 2013-09-03 | 2013-09-03 | A kind of calcining method for cleaning of spinneret |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310395053.3A CN103469318B (en) | 2013-09-03 | 2013-09-03 | A kind of calcining method for cleaning of spinneret |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103469318A CN103469318A (en) | 2013-12-25 |
CN103469318B true CN103469318B (en) | 2017-12-22 |
Family
ID=49794351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310395053.3A Expired - Fee Related CN103469318B (en) | 2013-09-03 | 2013-09-03 | A kind of calcining method for cleaning of spinneret |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103469318B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105734692B (en) * | 2016-05-06 | 2017-11-14 | 江苏奥神新材料股份有限公司 | The electrochemical cleaning method of polyimides spinneret is spun for handling dry method |
CN110280534A (en) * | 2019-06-27 | 2019-09-27 | 云谷(固安)科技有限公司 | A kind of cleaning systems of mask plate and the clean method of mask plate |
CN112176433A (en) * | 2020-11-09 | 2021-01-05 | 天长市大发化纤有限公司 | Calcination mechanism for spinneret capillary hole dredging |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2038224U (en) * | 1988-10-08 | 1989-05-24 | 太原无线电四厂 | Vacuum cleaning furnace |
CN201151757Y (en) * | 2008-01-18 | 2008-11-19 | 宁波大发化纤有限公司 | Fixing and cleaning device of ;nozzle plate |
CN101805930A (en) * | 2010-04-28 | 2010-08-18 | 太原理工大学 | Method for cleaning polyphenylene sulfide melt spinning spinneret |
CN202705579U (en) * | 2012-05-23 | 2013-01-30 | 桐昆集团浙江恒通化纤有限公司 | Vacuum calciner |
CN202849601U (en) * | 2012-09-04 | 2013-04-03 | 江苏德赛化纤有限公司 | Vacuum furnace multi-spinneret-plate calcination frame in melt spinning equipment |
-
2013
- 2013-09-03 CN CN201310395053.3A patent/CN103469318B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2038224U (en) * | 1988-10-08 | 1989-05-24 | 太原无线电四厂 | Vacuum cleaning furnace |
CN201151757Y (en) * | 2008-01-18 | 2008-11-19 | 宁波大发化纤有限公司 | Fixing and cleaning device of ;nozzle plate |
CN101805930A (en) * | 2010-04-28 | 2010-08-18 | 太原理工大学 | Method for cleaning polyphenylene sulfide melt spinning spinneret |
CN202705579U (en) * | 2012-05-23 | 2013-01-30 | 桐昆集团浙江恒通化纤有限公司 | Vacuum calciner |
CN202849601U (en) * | 2012-09-04 | 2013-04-03 | 江苏德赛化纤有限公司 | Vacuum furnace multi-spinneret-plate calcination frame in melt spinning equipment |
Also Published As
Publication number | Publication date |
---|---|
CN103469318A (en) | 2013-12-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105870429B (en) | A kind of carbon-coated thermal battery electrode materials and preparation method thereof | |
CN103469318B (en) | A kind of calcining method for cleaning of spinneret | |
CN102234819B (en) | Preheating starting method for aluminium electrolysis cell | |
CN106848252B (en) | A kind of vapor deposition aluminum fluoride raising durothermic method of ternary anode material of lithium battery | |
CN106532144A (en) | Ternary composite electrode material for thermal batteries and preparation method thereof | |
CN103132104A (en) | Method for protecting electrolytic aluminum by using carbon anode | |
CN102808196B (en) | Direct-current shunt preheating start method for inert electrode aluminum electrolysis cell | |
CN109612280A (en) | A kind of bottomless electrode DC mineral hot furnace of multiloop | |
CN204130629U (en) | A kind of secondary aluminium cell graphene array anode composite | |
CN203464687U (en) | Anti-corrosion calcining furnace | |
CN103499206B (en) | A kind of anticorrosion calcining furnace | |
CN109037683A (en) | A kind of negative electrode of lithium ion battery plate and its modified technique | |
CN103825033B (en) | A kind of flow battery electrode material processing method | |
CN205529005U (en) | Organic material evaporation plant | |
CN207498477U (en) | A kind of electron anode protection erosion protection system of phase-transition heat-storage equipment | |
CN205368515U (en) | A electroplate device for lead acid battery copper terminal | |
CN104269544A (en) | Graphene array composited anode as well as preparation method and application thereof | |
CN108598350A (en) | A kind of preparation method of the thermal cell lead with thermal Sperayed Ceramic Coatings | |
CN105323881A (en) | Improved heating element | |
CN208532947U (en) | A kind of fused salt electrolysis apparatus that ITO is reduced to indium metal | |
CN103752844B (en) | A kind of preparation method of nano spherical lead powder | |
CN208012356U (en) | A kind of vacuum sintering furnace being exclusively used in anode material for lithium-ion batteries | |
CN201292410Y (en) | Molten salt electrolysis device | |
CN107043276B (en) | Graphite electrode protection method | |
CN202730257U (en) | Preheat starting device of inert electrode aluminum electrolysis cell |
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: 20171222 |