CN106992044A - Baking method of enameled wire - Google Patents
Baking method of enameled wire Download PDFInfo
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- CN106992044A CN106992044A CN201710248723.7A CN201710248723A CN106992044A CN 106992044 A CN106992044 A CN 106992044A CN 201710248723 A CN201710248723 A CN 201710248723A CN 106992044 A CN106992044 A CN 106992044A
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- covered wire
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- 238000000034 method Methods 0.000 title claims abstract description 63
- 239000002904 solvent Substances 0.000 claims abstract description 76
- 239000003973 paint Substances 0.000 claims abstract description 46
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000003054 catalyst Substances 0.000 claims description 50
- 238000001035 drying Methods 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000002699 waste material Substances 0.000 claims description 15
- 238000000137 annealing Methods 0.000 claims description 13
- 230000033228 biological regulation Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 abstract description 10
- 238000010992 reflux Methods 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 7
- 238000007084 catalytic combustion reaction Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 82
- 230000000694 effects Effects 0.000 description 15
- 238000002485 combustion reaction Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000002918 waste heat Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000007605 air drying Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013005 condensation curing Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Abstract
The invention provides a baking method of an enameled wire, which comprises the following steps: sending the wire body into a baking channel for baking, and controlling solvent steam generated by paint liquid on the surface of the wire body to enter a solvent steam channel; controlling the solvent steam entering the solvent steam channel to enter the primary shunting chamber and the primary catalysis chamber in sequence; controlling one part of the high-temperature airflow after the primary catalytic combustion to flow back into the baking channel through the hot airflow channel to circularly bake the line body, and enabling the other part of the high-temperature airflow to enter the secondary catalytic chamber to perform secondary catalytic combustion; acquiring the temperature of high-temperature airflow in a baking channel in the circulating process of the high-temperature airflow; and controlling the flow of cold air entering the baking channel to be mixed with the high-temperature air flow according to the difference value between the temperature of the high-temperature air flow and the set temperature. The baking method of the enameled wire can overcome the defects that in the prior art, the steam temperature of a reflux solvent for circularly baking the enameled wire is difficult to control, so that the surface paint layer of the enameled wire is easy to damage, and a paint film is cracked and embrittled.
Description
Technical field
The invention belongs to enameled wire machining technical field, and in particular to a kind of baking method of enamel-covered wire.
Background technology
Enamel-covered wire is most representational product in electronic wire, and enamel-covered wire is a principal item of winding wire, by leading
Body and insulating barrier two are constituted, after the annealed softening of bare wire, then are formed by repeatedly japanning, baking.Enamel wire drying oven is used for
Paint film is heated and cured into for the japanning of enamel-covered wire outer layer in production process, its principle is that the enamel-covered wire after japanning dries by burner hearth
Roasting, forms enamel insulated wire, and the insulating properties of enamel-covered wire is most important using safety for it.
In the baking process of enamel-covered wire, the evaporation of the condensation curing and insulation white spirit of insulating paint is carried out simultaneously, absolutely
The catalysis of edge white spirit is great for the performance quality influence of enamel-covered wire with evaporation situation, not only the influence finish of paint film and bright
Degree, has an effect on solidification effect, the tack of paint film of paint film, the insulating properties and surface quality of final influence enamel-covered wire, and
Current roasting plant is not good for paint film cured effect, causes paint film tack not strong, influence enamel-covered wire surface quality and
Electrical property, is especially easily caused magnet wire insulation not good；Secondly, the discharge vaporization of solvent is also easy to cause ring in insulated paint
Border is polluted and energy waste, reduces enterprise's productivity effect.
In Application No. 2011102706307, the applying date is September in 2011 14, it is entitled " a kind of enamel-covered wire
In the Chinese invention patent application of circulation baking method and the baker for realizing this method ", the circulation for disclosing a kind of enamel-covered wire is dried
Roasting method and the baker for realizing this method, are entered after burner hearth by the enamel-covered wire with paint liquid from baker incoming line, and paint liquid is drying
Start evaporation under furnace interior temperature action and produce a certain amount of solvent vapo(u)r, solvent vapo(u)r is sent to one stage catalyzing combustion chambers burn,
The high temperature gas flow higher than technological requirement temperature is produced, a part of high temperature gas flow is directly sent to baking by equal wind apparatus, stable-pressure device
Roasting passage bakees enamel-covered wire, and another part high temperature gas flow, which is sent to after heat exchanger heat exchange, discharges waste gas flue, and heat exchanger absorbs
The baking channel baking enamel-covered wire delivered to after waste gas residual heat at incoming line.
The discharge vaporization that solvent in insulated paint is efficiently solved in this application easily causes environmental pollution and energy waste
Problem, but in the baking process of enamel-covered wire, partial solvent steam is turning into high temperature by the catalysis burning of one stage catalyzing combustion chamber
After air-flow, baking channel circulation baking enamel-covered wire can be sent to by equal wind apparatus, stable-pressure device, this part circulation Baking Paint
The reflux solvent steam of envelope curve, because temperature is difficult to control to, once therefore temperature control is bad, will be to the surface lacquer of enamel-covered wire
Layer causes damage, causes the defects such as alligatoring embrittlement, reduces the surface quality and electrical property of enamel-covered wire, reduces the exhausted of enamel-covered wire
Edge performance.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to provide a kind of baking method of enamel-covered wire, to overcome existing skill
The reflux solvent vapor (steam) temperature of circulation baking enamel-covered wire in art is difficult to control to, and is caused the paint layer from surface easy damaged of enamel-covered wire, is made
The problem of into defects such as alligatoring embrittlement.
In order to solve the above problems, the present invention provides a kind of baking method of enamel-covered wire, including：Wire body feeding baking is logical
Toasted in road, the solvent vapo(u)r that control line body surface finish paint liquid is produced enters solvent vapo(u)r passage；Control enters solvent vapo(u)r passage
Interior solvent vapo(u)r sequentially enters one-level diffluence room and one stage catalyzing room；Control is once catalyzed the high temperature gas flow part after burning
It is back to by thermal current passway in baking channel and circulation baking is carried out to wire body, another part enters two grades of catalyst chambers and carries out two
Secondary catalysis burning；Obtain the temperature of the high temperature gas flow in high temperature gas flow cyclic process in baking channel；According to the temperature of high temperature gas flow
Difference control between degree and design temperature enters the cold air flows mixed in baking channel with high temperature gas flow.
Preferably, the baking method of enamel-covered wire also includes：Temperature adjustment blower fan is set on thermal current passway；In baking channel
Temperature detecting unit is set；High temperature gas flow temperature in baking channel is detected by temperature detecting unit；Adjusted by temperature adjustment blower fan
Section enters the cold air flows mixed in baking channel with high temperature gas flow.
Preferably, the baking method of enamel-covered wire also includes：Shunting air door is set in the exit of thermal current passway；According to line
Body bears throughput regulation shunting throttle opening.
Preferably, the baking method of enamel-covered wire also includes：Regulation line outlet aperture is set at the line outlet of baking channel
Control panel, wherein the set location of control panel be located at shunting air door motion path on, and limit shunting air door maximum open
Degree；Line outlet is adjusted according to the difference between the temperature and design temperature of the high temperature gas flow in baking channel by control panel to open
Degree.
Preferably, the baking method of enamel-covered wire also includes：Space and two between one-level diffluence room and one stage catalyzing room
Self closing door is set between level catalyst chamber；Obtain one stage catalyzing indoor solvent vapo(u)r ignition temperature；When one stage catalyzing indoor
When solvent vapo(u)r ignition temperature reaches setting value, control self closing door is opened, and part is flowed out from one-level diffluence room and uncatalyzed
The solvent vapo(u)r of burning enters two grades of catalyst chambers and carries out catalysis burning.
Preferably, the baking method of enamel-covered wire also includes：
Preheating zone is set between one-level diffluence room and one stage catalyzing room；
The solvent vapo(u)r flowed out from one-level diffluence room is preheated in preheating zone；By the solvent vapo(u)r feeding one after preheating
Level catalyst chamber.
Preferably, the baking method of enamel-covered wire also includes：Set at the incoming line of baking channel and heat blower fan and heat
Passage；Air is heated by heating blower fan；Air after heating is delivered at incoming line by heating passage.
Preferably, the baking method of enamel-covered wire also includes：The high temperature gas flow after quadric catalysis burning is controlled to heating blower fan
The air that heats of discharge is heated；Control and heat the high temperature gas flow discharge waste discharge pipeline after air is exchanged heat.
Preferably, the baking method of enamel-covered wire also includes：Drying blower fan is set；The drying air-flow difference of control drying blower fan
Into drying pipeline and water tank；Control enters the drying air-flow in drying pipeline and the wire body after annealing cooling in drying pipeline is entered
Sector-style is done；The drying air-flow that control enters in water tank is heated to water tank, and the steam for producing water tank is passed through annealing furnace steaming
In steam pipe road.
Preferably, the step of controlling and heat the discharge waste discharge pipeline of the high temperature gas flow after air is exchanged heat includes：Control
The high temperature gas flow exchanged heat with heating air flows through drying air-flow and drying air-flow is heated；Control is entered with drying air-flow
High temperature gas flow discharge waste discharge pipeline after row heat exchange.
A kind of baking method for enamel-covered wire that the present invention is provided has the advantages that：It will be catalyzed by one-level diffluence room
The flow cycle of preceding solvent vapo(u)r is thoroughly spaced apart with the flow cycle of high temperature gas flow after catalysis, it is to avoid the high temperature gas flow after catalysis
It is mixed into solvent vapo(u)r, has both avoided the wasting of resources that high temperature gas flow secondary preheating burns after catalysis, be also prevented from before catalysis
Solvent vapo(u)r excessive temperature is raised, and preheating zone and one stage catalyzing indoor catalyst are caused damage, and helps to ensure that one-level is urged
Change the catalytic effect of room, improve the paint film baking quality of enamel-covered wire, ensure the paint film tack of enamel-covered wire, improve the exhausted of enamel-covered wire
Edge.
Entered according to the difference control between the temperature and design temperature of high temperature gas flow and flowed into baking channel with High Temperature Gas
The cold air flows of row mixing, can be by way of adjusting and entering the cold air flows in baking channel so that cold air stream
The regulation of amount is carried out towards the direction that the actual temperature and design temperature difference of high temperature gas flow reduce, and effectively controls reflux airflow
Bulk temperature so that the stream condition being back in baking channel obtains Reasonable adjustment, prevents from making the paint layer from surface of enamel-covered wire
Into damage, it is to avoid cause the defects such as alligatoring embrittlement, the surface quality and electrical property of enamel-covered wire are improved, the height of enamel-covered wire is realized
Insulating properties.
Brief description of the drawings
Fig. 1 is the control flow chart of the baking method of the enamel-covered wire of the present invention；
Fig. 2 is the structure principle chart of baking system applied of baking method of the enamel-covered wire of the present invention；
Fig. 3 is the one-level diffluence room structural representation of baking system applied of baking method of the enamel-covered wire of the present invention；
The two fraction flow chamber front view structures signal for the baking system that Fig. 4 is applied for the baking method of the enamel-covered wire of the present invention
Figure；
Two fraction flow chamber side view structural representations of the baking system that Fig. 5 is applied for the baking method of the enamel-covered wire of the present invention
Figure；
The one stage catalyzing cell structure schematic diagram for the baking system that Fig. 6 is applied for the baking method of the enamel-covered wire of the present invention.
Reference is expressed as in figure：
1st, wire body；501st, baking channel；502nd, incoming line；503rd, blower fan is heated；504th, passage is heated；505th, solvent vapo(u)r
Passage；506th, preheating zone；507th, one stage catalyzing room；508th, self closing door；509th, two grades of catalyst chambers；510th, major cycle blower fan；
511st, thermal current passway；512nd, temperature adjustment blower fan；513rd, air door is shunted；514th, line outlet；515th, control panel；516th, heating tube；
517th, two fraction flow chamber；518th, blower fan is dried；519th, water tank；520th, annealing furnace jet chimney；521st, drying pipeline；522nd, waste discharge
Pipeline；523rd, one-level diffluence room；524th, one-level isocon；525th, waste heat passage；526th, split channel；527th, two fraction flow tube；
528th, the passage of heat is prolonged；529th, heat source passages；530th, catalyst.
Embodiment
The baking system that the baking method of the enamel-covered wire of the present invention is applied includes burner hearth, as shown in Fig. 2 being set on burner hearth
There is major cycle blower fan 510, the two ends of burner hearth offer incoming line 502 and line outlet 514, between incoming line 502 and line outlet 514
For baking channel 501, in baking channel 501 before, during and after region be provided with the heating tube 516 for aiding in wire body 1 heating,
Control the baking temperature of wire body 1；Be provided with incoming line 502 and heat blower fan 503, heat air through heat passage 504 import into
Line mouthful 502, for effectively being preheated to the wire body 1 having just enter into, reduces the influence that wire body 1 brings cool exterior air into, enhancing is dried
Roasting effect；Temperature adjustment blower fan 512 is provided with line outlet 514, for being filled with cool exterior air in good time, to being back to baking channel
High temperature gas flow in 501 carries out temperature adjustment, it is to avoid because of the too high table of scaling loss wire body 1 of high temperature gas flow temperature in baking channel 501
The paint film in face, ensures paint film tack.
In the present embodiment, one-level diffluence room 523, one stage catalyzing room 507, two grades of and of catalyst chamber 509 are provided with burner hearth
Two fraction flow chambers 517, the solvent vapo(u)r that the surface paint film of wire body 1 is produced is successively through solvent vapo(u)r passage 505 and one-level diffluence room 523
Into one stage catalyzing room 507, the high temperature gas flow part after catalysis is back in baking channel 501 through thermal current passway 511, urged
Unnecessary high temperature gas flow after change enters waste discharge pipeline 522 through two grades of fraction flow chambers 517 of catalyst chamber 509 and two successively.
Specifically, many one-level isocons 524 are provided with one-level diffluence room 523, as shown in figure 3, one-level diffluence room 523
Upper and lower ends are closed, but are provided through many one-level isocons 524 up and down, and one-level isocon 524 is hollow for both ends open
Pipe, the internal cavities of one-level isocon 524 are waste heat passage 525, and the exterior space of one-level isocon 524 is split channel 526.
It is mutually isolated between one-level isocon 524 and split channel 526 so as to flow through split channel 526 and flow through one-level isocon 524
Air-flow only exchanged heat, will not be mixed, can improve baking high temperature gas flow energy utilization rate, utilize one-level isocon
High temperature gas flow in 524 can be preheated to the solvent vapo(u)r for flowing through split channel 526, improved solvent vapo(u)r and urged into one-level
Change the catalysis efficiency of combustion behind room 507.
The solvent vapo(u)r that the surface paint film of wire body 1 is produced enters one-level diffluence room 523 through solvent vapo(u)r passage 505, and from point
Heater is provided with preheating zone 506, preheating zone 506 to solvent vapo(u)r progress the pre-heat treatment by entering in circulation road 526,
Then solvent vapo(u)r continues to pass into catalyst combustion in one stage catalyzing room 507, the high temperature gas flow part warp after catalysis burning
Major cycle blower fan 510 enters in thermal current passway 511, and mixes (thermal current passway with the cold air that temperature adjustment blower fan 512 is filled with
Temperature-detecting device is provided with 511), keep suitable temperature reflux in baking channel 501, the surface paint film of wire body 1 is entered
Row circulation baking.Temperature detecting unit can also be set in baking channel 501, so as to detect the high temperature in baking channel 501
The temperature of air-flow, it is ensured that the temperature in baking channel 501 is capable of the baking operation of more suitable wire body 1 so that temperature control is more
Plus it is accurate.
Temperature-detecting device and self closing door 508 are provided between one stage catalyzing room 507 and two grades of catalyst chambers 509, when one
When the level internal solvent steam ignition temperature of catalyst chamber 507 reaches setting value, self closing door 508 is automatically turned on so that before partially catalyzed
Solvent vapo(u)r enter in two grades of catalyst chambers 509, catalyst combustion is carried out in two grades of catalyst chambers 509, it is to avoid one stage catalyzing room 507
Internal solvent excessive steam causes the too high influence catalytic effect of temperature；Some is unnecessary after the catalysis of one stage catalyzing room 507
High temperature gas flow is back to the lower section of one-level diffluence room 523, and two grades of catalyst chambers 509 are flowed into from waste heat passage 525 and carry out secondary catalyst
Burning.The setting of one-level diffluence room 523 will be catalyzed the flow cycle of high temperature gas flow after the flow cycle of preceding solvent vapo(u)r and catalysis
Thoroughly it is spaced apart, it is to avoid the high temperature gas flow after catalysis is mixed into solvent vapo(u)r, has both avoided high temperature gas flow secondary preheating after catalysis
The wasting of resources of burning, is also prevented from by the solvent vapo(u)r excessive temperature rise before catalysis, to preheating zone 506 and one stage catalyzing room
Catalyst in 507 causes damage, and helps to ensure the catalytic effect of one stage catalyzing room 507, improves the paint film baking matter of wire body 1
Amount.
Two fraction flow chambers 517 can be entered by entering the high temperature gas flow produced after two grades of catalyst chambers 509 are catalyzed in the present embodiment, and
Finally discharged through waste discharge pipeline 522.Specifically, many two fraction flow tubes 527 are provided with two fraction flow chambers 517, such as Fig. 4, Fig. 5
It is shown, the closing of the upper and lower ends of two fraction flow chamber 517, but many two fraction flow tubes 527, two fraction flow tubes are provided through up and down
527 be the hollow pipe of both ends open, and the internal cavities of two fraction flow tubes 527 are to prolong the passage of heat 528, outside two fraction flow tubes 527
Portion space is heat source passages 529.High temperature gas flow after two grades of catalysis is from prolonging in the passage of heat 528 by and into waste pipe road 522
Drying blower fan 518 is additionally provided with middle discharge, two fraction flow chambers 517, it is possible to achieve to the UTILIZATION OF VESIDUAL HEAT IN of high temperature gas flow, dries wind
Extraneous air is passed through in two fraction flow chambers 517 by machine 518, using prolonging the waste heat of high temperature gas flow in the passage of heat 528 to heat source passages
Air in 529 is effectively heated, and produces high-temperature gas, and the high-temperature gas part produced is used to carry out water tank 519
The high-temperature steam produced in high-temperature heating, water tank 519 can be then passed through in annealing furnace jet chimney 520, be used as anneal
High temperature protection steam, prevent in the annealing process of wire body 1 aoxidize；Another part high-temperature gas is then sent into drying pipeline 521, is used
Wire body 1 after to annealing cooling carries out Quick-air-drying, and the energy recovery for thus achieving a whole set of production system is utilized, effectively section
About production cost, improves the performance of enterprises.
Two fraction flow tubes 527 in the present embodiment in two fraction flow chambers 517 are spaced apart using alternating expression, as shown in figure 5,
Two fraction flow tubes 527 include multigroup compound tube, and every group of compound tube includes VERTICAL TUBE and be symmetrically positioned in VERTICAL TUBE both sides two and inclined
Inclined tube, and for different groups of compound tube, the inclined degree of its tipping tube increases successively so that in two fraction flow chambers 517
Radial staggered structure is presented in two fraction flow tubes 527.Preferably, the inwall of two fraction flow tubes 527 is waveform inwall, such as
Shown in Fig. 4.Such a structure design on the one hand effectively increase contact area of the high temperature gas flow in the cavity of two fraction flow tube 527 and
Currency, improve the heating effect to extraneous air；On the other hand the radial setting of two fraction flow tubes 527 is by two level shunts
Space carries out region separation and stop in room 517, and causes turbulent moving to the extraneous air being filled with, and effectively extends extraneous air
Heating surface area and the currency, and the interaction that improves air by air-flow moving is heated and heat transfer, hence it is evident that improve pair
The UTILIZATION OF VESIDUAL HEAT IN of high temperature gas flow in two fraction flow tubes 527, meets the confession that steam is air-dried to annealing furnace high temperature protection steam and wire body 1
Should, meet the utilization of resources of whole production system.
Baking system can realize the efficient baking to the surface paint film of wire body 1 and solidification in the present embodiment, improve paint film attachment
Property, prevent that the problems such as superficial lesions, intermediate peeling, brittle cracking from occurring in paint film, and surface is smooth without defects such as particle, pin holes,
The electrical property of the excellent stabilization of enamel-covered wire is ensured, the high-insulativity of enamel-covered wire is realized.
Further, also include in the baking system used in the present embodiment at following structure, the line outlet 514 of burner hearth also
The shunting air door 513 of each head throughput in control burner hearth is provided with, so that every wire body in correspondence control baking channel 501
1 throughput born.As shown in Fig. 2 shunting air door 513 is engaged with temperature adjustment blower fan 512, the overall temperature of reflux airflow has both been controlled
Degree, controls the air flow rate of each head so that the stream condition being back in baking channel 501 obtains Reasonable adjustment again, prevents
Only the paint layer from surface to wire body 1 causes damage, influences the tack of paint film.
Both sides are provided with control panel 515 above and below the outside of line outlet 514 of burner hearth in the present embodiment, and control panel 515 can be with
The spacing opening degree for blocking, controlling shunting air door 513 is carried out to the Open valve for shunting air door 513, it is to avoid shunting air door 513
Excessively open and cause air turbulence；Secondly, the kidney-shaped of regulation control panel 515 position is offered on control panel 515 along short transverse
Chute, fastener is through the kidney-shaped chute so as to adjust the high and low position of control panel 515, and two pieces of control panels 515 are engaged
The openings of sizes of line outlet 514 can be controlled, thus control cool exterior air enter baking channel 501 number, and to outside
The flexible control that cold air enters, on the one hand can be such that it is engaged with temperature adjustment blower fan 512, the high temperature gas flow temperature to backflow is entered
Row adjustment, prevents the surface paint film of scaling loss wire body 1, improves paint film tack and surface quality, the benefit of another aspect extraneous air
Filling can effectively be stopped to the interior air-flow of baking channel 501, prevent the air-flow in baking channel 501 from flowing out, influence baking effect
Fruit and site environment.Control panel 515 can also be arranged on left and right sides etc. and the openings of sizes of line outlet 514 can be adjusted
Position, and shunting air door 513 aperture control can also be controlled by single structure such as microswitch so that point
The control for being controlled in line outlet 514 for flowing air door 513 is separate, the difficulty that reduction control panel 515 is set.
During being toasted to the surface paint film of wire body 1, the efficient catalytic of paint liquid solvent vapo(u)r how is realized, is reduced
The generation of pernicious gas is most important, and being not only the optimization to production environment improves, and the catalysis degree of solvent vapo(u)r is more affected
The solidification effect of paint film, influences the tack of paint film.The solvent vapo(u)r of liquid is painted in actual production to be needed by one stage catalyzing room 507
Can just be discharged with the catalyst combustion twice of two grades of catalyst chambers 509, due to solvent vapo(u)r flowing polytropism and flow over
Solvent vapo(u)r density is continually changing in journey, and the catalytic treatment that solvent vapo(u)r is carried out to stability and high efficiency is difficult in industry, causes to urge
Change effect poor, solvent vapo(u)r is even difficult to combustion catalysis after circulating, and catalyst use efficiency is relatively low.
Further, the setting of catalyst 530 is as shown in fig. 6, one stage catalyzing in the baking system that the present embodiment is used
In each interval of room 507, along the flow direction of solvent vapo(u)r, the setting number of plies of catalyst 530 gradually increases, in one stage catalyzing room
507 leading portions, catalyst 530 is intervally arranged using individual layer, and in the one stage catalyzing back segment of room 507, catalyst 530 is accumulated using multilayer
Arrange (every layer of catalyst 530 is covered with the openings of sizes of one stage catalyzing room 507).Solvent vapo(u)r initially enters one stage catalyzing room
During 507 leading portion, vapour density is higher, easily catalysis burning, and the individual layer of catalyst 530, which is provided with, to be beneficial to make solvent vapo(u)r urge with the layer
Agent 530 is fully burnt, and improves the utilization ratio of catalyst 530, and with the continuous catalysis of solvent vapo(u)r, quantity of steam and steam
Density is gradually reduced thin, is gradually reduced with the response intensity of catalyst 530, and back segment catalyst 530 uses the multilayer of catalyst 530
Accumulation, and is interspersed between each layer catalyst 530, the catalytic reaction hole inside each layer catalyst 530 is mutually blocked to stagger and (is urged
Solvent vapo(u)r carries out catalyst combustion through catalytic reaction hole when changing reaction) so that solvent vapo(u)r can be first on the surface of catalyst 530
Aggregation, improves question response steam content and density, so as to improve the catalytic effect of solvent vapo(u)r, further improves catalyst 530
Utilization rate.Catalyst 530 in the present embodiment in two grades of catalyst chambers 509, which is arranged, can also use aforesaid way, and further,
Catalytic reaction hole inwall inside catalyst 530 is spiral shape or waveform or arcuate structure, is specifically spiral shell in the present embodiment
Shape structure is revolved, can effectively increase contact area and time of contact of the solvent vapo(u)r with catalytic reaction hole, again to gradually thin
The efficient catalytic of solvent vapo(u)r provides safeguard.
Preferably, the inwall of two fraction flow tubes 527 is spiral shape inwall, catalyst in the baking system that the present embodiment is used
Catalytic reaction hole inwall inside 530 is wavy shaped configuration.
Preferably, the inwall of two fraction flow tubes 527 is arc inner wall in the baking system that the present embodiment is used, catalyst
Catalytic reaction hole inwall inside 530 is arcuate structure.
Two fraction flow tubes 527 in two level shunt rooms use radial staggered, and the inwall of two fraction flow tubes 527 is
Spiral shape or waveform or arc inner wall, on the one hand effectively increase contact area of the high temperature gas flow in two fraction flow tube cavitys
And the currency, improve the heating effect to extraneous air；On the other hand two fraction flow tubes 527 enter the two level shunt interior spaces
Row region separates and stopped, and causes turbulent moving to the extraneous air being filled with, effectively the heating surface area of extension extraneous air and
Currency, and be heated and heat transfer by the interaction of air-flow moving raising air, hence it is evident that improve in two fraction flow tubes
The UTILIZATION OF VESIDUAL HEAT IN of high temperature gas flow.
With reference to shown in Figure 1, embodiments in accordance with the present invention, the baking method of enamel-covered wire includes：Wire body 1 is sent into baking
Toasted in roasting passage 501, the solvent vapo(u)r that control wire body 1 surface lacquer liquid is produced enters solvent vapo(u)r passage 505；Control enters molten
Solvent vapo(u)r in agent steam channel 505 sequentially enters one-level diffluence room 523 and one stage catalyzing room 507；Control once catalysis combustion
A high temperature gas flow part after burning is back in baking channel 501 by thermal current passway 511 carries out circulation baking to wire body 1,
Another part enters two grades of catalyst chambers 509 and carries out quadric catalysis burning；Obtain in high temperature gas flow cyclic process in baking channel 501
High temperature gas flow temperature；Entered according to the difference control between the temperature and design temperature of high temperature gas flow in baking channel 501
The cold air flows mixed with high temperature gas flow.
High temperature gas flow herein refers to the air-flow after being catalyzed burning through primary catalyst chamber 507, and cold air refers to from extraneous ring
Entered in border in baking channel 501 mixed with high temperature gas flow and temperature less than high temperature gas flow temperature air.It is general and
Speech, cold air can be obtained directly from outside air, directly can also provided by gas tank.
The baking method of the present invention will be catalyzed high after the flow cycle of preceding solvent vapo(u)r and catalysis by one-level diffluence room 523
The flow cycle of warm air is thoroughly spaced apart, it is to avoid the high temperature gas flow after catalysis is mixed into solvent vapo(u)r, is both avoided after catalysis
The wasting of resources of high temperature gas flow secondary preheating burning, is also prevented from by the solvent vapo(u)r excessive temperature rise before catalysis, to preheating zone
506 and one stage catalyzing room 507 in catalyst 530 cause damage, help to ensure the catalytic effect of one stage catalyzing room 507, carry
The paint film baking quality of high enamel-covered wire, ensures the paint film tack of enamel-covered wire, improves the insulating properties of enamel-covered wire.
Dried in addition, the baking method of the present invention enters according to the difference control between the temperature and design temperature of high temperature gas flow
The cold air flows mixed in roasting passage 501 with high temperature gas flow, can be by adjusting the cold sky entered in baking channel 501
The mode of throughput so that the side that the regulation of cold air flows reduces towards the actual temperature and design temperature difference of high temperature gas flow
To the bulk temperature of progress, effectively control reflux airflow so that the stream condition being back in baking channel 501 is rationally adjusted
It is whole, prevent from causing the paint layer from surface of enamel-covered wire damage, it is to avoid cause the defects such as alligatoring embrittlement, improve the surface of enamel-covered wire
Quality and electrical property, realize the high-insulativity of enamel-covered wire.
The baking method of enamel-covered wire also includes：Temperature adjustment blower fan 512 is set on thermal current passway 511；In baking channel 501
Interior setting temperature detecting unit；High temperature gas flow temperature in baking channel 501 is detected by temperature detecting unit；Pass through temperature adjustment wind
The regulation of machine 512 enters the cold air flows mixed in baking channel 501 with high temperature gas flow.
Temperature adjustment blower fan 512 can be conveniently adjusted the cold sky for entering and being mixed in baking channel 501 with high temperature gas flow
Throughput so that the flow of cold air ensure that the baking gas flow temperature after mixing is more suitable, prevents from toasting air-flow temperature
Degree is not suitable for causing the paint layer from surface of enamel-covered wire damage, it is to avoid cause the defects such as alligatoring embrittlement, improves the table of enamel-covered wire
Face quality and electrical property, realize the high-insulativity of enamel-covered wire.Temperature adjustment blower fan 512 herein can also can adjust baking with others
Bake the structure of gas flow temperature to replace, such as gas tank, flow control valve can be set in the exit of gas tank, so as to side
Just the cold air flows that regulation gas tank is entered in baking channel 501, realize the accurate quick regulation to toasting gas flow temperature.
The baking method of enamel-covered wire also includes：Shunting air door 513 is set in the exit of thermal current passway 511；According to line
Body 1 bears the throughput regulation shunting aperture of air door 513.Each head in control burner hearth is additionally provided with the line outlet 514 of burner hearth
The shunting air door 513 of throughput, is engaged with temperature adjustment blower fan 512, can both better control over the bulk temperature of reflux airflow, again
The air flow rate of each head can easily and flexibly be controlled so that the stream condition being back in baking channel 501 is closed
Reason adjustment, it is ensured that the throughput that every wire body 1 is born matches with the wire body 1 so that distribution of air flow is more accurate, paint film
Adhere to quality and better.
The baking method of enamel-covered wire also includes：Regulation line outlet 514 is set to open at the line outlet 514 of baking channel 501
The control panel 515 of degree, the wherein set location of control panel 515 are located on the motion path of shunting air door 513, and limit shunting wind
The maximum opening of door 513；Control is passed through according to the difference between the temperature and design temperature of the high temperature gas flow in baking channel 501
Plate 515 adjusts the aperture of line outlet 514.Control panel 515 can control to shunt the opening degree of air door 513, it is to avoid shunting air door 513
Excessively open and cause air turbulence；Two pieces of control panels 515, which are engaged, can control the openings of sizes of line outlet 514, so as to control
Cool exterior air enter baking channel 501 number, on the one hand can be engaged with temperature adjustment blower fan 512, to the High Temperature Gas of backflow
Stream temperature is adjusted, and prevents the surface paint film of scaling loss enamel-covered wire, the supplement of another aspect extraneous air can be to baking channel
501 interior air-flows are effectively stopped, prevent the air-flow in baking channel 501 from flowing out, and influence paint film cured effect, ensure that paint film is attached
The property, improves the electrical property of enamel-covered wire.
The baking method of enamel-covered wire also includes：Space between one-level diffluence room 523 and one stage catalyzing room 507 with two grades
Self closing door 508 is set between catalyst chamber 509；Obtain the solvent vapo(u)r ignition temperature in one stage catalyzing room 507；When one stage catalyzing
When solvent vapo(u)r ignition temperature in room 507 reaches setting value, control self closing door 508 is opened, and makes part from one-level diffluence room
The solvent vapo(u)r of 523 outflows and uncatalyzed burning enters two grades of catalyst chambers 509 and carries out catalysis burning, in order to avoid one stage catalyzing room
507 internal solvent excessive steams cause the too high influence catalytic effect of baking temperature.
The baking method of enamel-covered wire also includes：Preheating zone is set between one-level diffluence room 523 and one stage catalyzing room 507
506；506 pairs of preheating zone, the solvent vapo(u)r flowed out from one-level diffluence room 523 is preheated；By the solvent vapo(u)r feeding after preheating
One stage catalyzing room 507.
The baking method of enamel-covered wire also includes：Set at the incoming line 502 of baking channel 501 and heat blower fan 503 and increasing
Warm passage 504；Air is heated by heating blower fan 503；By the air after heating by heat passage 504 be delivered into
At line mouthful 502.Heating blower fan 503 can heat to the air that incoming line 502 is imported through heating passage 504, so as to enter
The wire body 1 having just enter into effectively is preheated at line mouthful 502, the influence that wire body 1 brings cool exterior air into, enhancing baking effect is reduced
Really.
The baking method of enamel-covered wire also includes：High temperature gas flow after control quadric catalysis burning is discharged to heating blower fan 503
The air that heats heated；Control and heat the high temperature gas flow discharge waste discharge pipeline 522 after air is exchanged heat.By such a
Mode can be reused to the preheating of the high temperature gas flow after quadric catalysis burning, and further increasing is played to heating air
Temp effect, improves the pre-heat effect to wire body 1, further enhances cured effect.
The baking method of enamel-covered wire also includes：Drying blower fan 518 is set；The drying air-flow difference of control drying blower fan 518
Into drying pipeline 521 and water tank 519；It is cold to annealing in drying pipeline 521 that control enters the drying air-flow in drying pipeline 521
But the wire body 1 after is air-dried；The drying air-flow that control enters in water tank 519 is heated to water tank 519, and makes water tank 519
The steam of generation is passed through in annealing furnace jet chimney 520.Preferably, control and heat the high temperature gas flow row after air is exchanged heat
The step of going out waste discharge pipeline 522 includes：Control and heat the high temperature gas flow that air exchanged heat and flow through drying air-flow and to drying
Air-flow is heated；High temperature gas flow after control is exchanged heat with drying air-flow discharges waste discharge pipeline 522.
Drying blower fan 518 can realize the UTILIZATION OF VESIDUAL HEAT IN to high temperature gas flow, and extraneous air is being passed through into two fraction flow chambers 517
During, the air in heat source passages 529 is effectively heated using the waste heat for prolonging high temperature gas flow in the passage of heat 528, produced
Raw high-temperature gas, and the high-temperature gas part produced to water tank 519 for being heated at high temperature, the height produced in water tank 519
Warm steam can be then passed through in annealing furnace jet chimney 520, as the high temperature protection steam of anneal, prevent wire body 1 from moving back
Aoxidized during fire；Another part high-temperature gas is then sent into drying pipeline 521, for being carried out to the wire body 1 after annealing cooling
Quick-air-drying.The energy recovery for thus achieving a whole set of production system is utilized.
Those skilled in the art is it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.With
Only it is the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not
On the premise of departing from the technology of the present invention principle, some improvement and modification can also be made, these improvement and modification also should be regarded as this
The protection domain of invention.
Claims (10)
1. a kind of baking method of enamel-covered wire, it is characterised in that including：
Wire body is sent into baking channel and toasted, the solvent vapo(u)r that control line body surface finish paint liquid is produced enters solvent vapo(u)r passage；
The solvent vapo(u)r that control enters in solvent vapo(u)r passage sequentially enters one-level diffluence room and one stage catalyzing room；
Control is once catalyzed the high temperature gas flow part after burning and is back in baking channel to enter wire body by thermal current passway
Row circulation baking, another part enters two grades of catalyst chambers and carries out quadric catalysis burning；
Obtain the temperature of the high temperature gas flow in high temperature gas flow cyclic process in baking channel；
Entered according to the difference control between the temperature and design temperature of high temperature gas flow and mixed in baking channel with high temperature gas flow
The cold air flows of conjunction.
2. the baking method of enamel-covered wire according to claim 1, it is characterised in that the baking method of the enamel-covered wire is also wrapped
Include：
Temperature adjustment blower fan is set on thermal current passway；
Temperature detecting unit is set in baking channel；
High temperature gas flow temperature in baking channel is detected by temperature detecting unit；
Adjusted by temperature adjustment blower fan and enter the cold air flows mixed in baking channel with high temperature gas flow.
3. the baking method of enamel-covered wire according to claim 2, it is characterised in that the baking method of the enamel-covered wire is also wrapped
Include：
Shunting air door is set in the exit of thermal current passway；
Throughput regulation shunting throttle opening is born according to wire body.
4. the baking method of enamel-covered wire according to claim 3, it is characterised in that the baking method of the enamel-covered wire is also wrapped
Include：
The control panel of regulation line outlet aperture is set at the line outlet of baking channel, and wherein the set location of control panel, which is located at, divides
On the motion path for flowing air door, and limit the maximum opening of shunting air door；
Line outlet is adjusted according to the difference between the temperature and design temperature of the high temperature gas flow in baking channel by control panel to open
Degree.
5. the baking method of enamel-covered wire according to claim 1, it is characterised in that the baking method of the enamel-covered wire is also wrapped
Include：
Self closing door is set between space and two grades of catalyst chambers between one-level diffluence room and one stage catalyzing room；
Obtain one stage catalyzing indoor solvent vapo(u)r ignition temperature；
When one stage catalyzing indoor solvent vapo(u)r ignition temperature reaches setting value, control self closing door is opened, and makes part from one
Fraction flow chamber flows out and the solvent vapo(u)r of uncatalyzed burning enters two grades of catalyst chambers progress catalysis burnings.
6. the baking method of enamel-covered wire according to claim 1, it is characterised in that the baking method of the enamel-covered wire is also wrapped
Include：
Preheating zone is set between one-level diffluence room and one stage catalyzing room；
The solvent vapo(u)r flowed out from one-level diffluence room is preheated in preheating zone；
Solvent vapo(u)r after preheating is sent into one stage catalyzing room.
7. the baking method of enamel-covered wire according to claim 1, it is characterised in that the baking method of the enamel-covered wire is also wrapped
Include：
Set at the incoming line of baking channel and heat blower fan and heat passage；
Air is heated by heating blower fan；
Air after heating is delivered at incoming line by heating passage.
8. the baking method of enamel-covered wire according to claim 7, it is characterised in that the baking method of the enamel-covered wire is also wrapped
Include：
High temperature gas flow after control quadric catalysis burning is heated to the air that heats for heating blower fan discharge；
Control and heat the high temperature gas flow discharge waste discharge pipeline after air is exchanged heat.
9. the baking method of enamel-covered wire according to claim 8, it is characterised in that the baking method of the enamel-covered wire is also wrapped
Include：
Drying blower fan is set；
The drying air-flow of control drying blower fan respectively enters drying pipeline and water tank；
Control enters the drying air-flow in drying pipeline and the wire body after annealing cooling in drying pipeline is air-dried；
The drying air-flow that control enters in water tank is heated to water tank, and the steam for producing water tank is passed through annealing furnace steam pipe
In road.
10. the baking method of enamel-covered wire according to claim 9, it is characterised in that the control is with heating air progress
The step of high temperature gas flow after heat exchange discharges waste discharge pipeline includes：
The high temperature gas flow that air exchanged heat is controlled and heats to flow through drying air-flow and heat drying air-flow；
High temperature gas flow after control is exchanged heat with drying air-flow discharges waste discharge pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710248723.7A CN106992044B (en) | 2017-04-17 | 2017-04-17 | Baking method of enameled wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248723.7A CN106992044B (en) | 2017-04-17 | 2017-04-17 | Baking method of enameled wire |
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| CN106992044B CN106992044B (en) | 2019-04-02 |
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| CN109326384A (en) * | 2018-10-11 | 2019-02-12 | 金颖 | A kind of horizontal enameling machine |
| CN110013951A (en) * | 2019-04-18 | 2019-07-16 | 佛山市顺德区盛永机械有限公司 | A kind of Two-way Cycle furnace drying device |
| CN110310782A (en) * | 2019-07-12 | 2019-10-08 | 浙江郎立电工器材有限公司 | A kind of processing technology and device of household motor dedicated self-adhesive enameled wire |
| CN110853835A (en) * | 2019-10-24 | 2020-02-28 | 湖州裕达电工科技有限公司 | Drying process of enameled cable |
| CN117316549A (en) * | 2023-10-16 | 2023-12-29 | 无锡市瑞球科技有限公司 | Vertical enameled wire wind circulating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110310782A (en) * | 2019-07-12 | 2019-10-08 | 浙江郎立电工器材有限公司 | A kind of processing technology and device of household motor dedicated self-adhesive enameled wire |
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| CN117316549B (en) * | 2023-10-16 | 2024-03-26 | 无锡市瑞球科技有限公司 | Vertical enameled wire wind circulating device |
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