CN101527192B - Method and device for baking a forehearth area of an enamelling machine - Google Patents
Method and device for baking a forehearth area of an enamelling machine Download PDFInfo
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- CN101527192B CN101527192B CN2009101062146A CN200910106214A CN101527192B CN 101527192 B CN101527192 B CN 101527192B CN 2009101062146 A CN2009101062146 A CN 2009101062146A CN 200910106214 A CN200910106214 A CN 200910106214A CN 101527192 B CN101527192 B CN 101527192B
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Abstract
The invention provides a method and a device for baking a forehearth area of an enamelling machine. The device comprises a fresh hot air heated wall which is attached to a primary catalyst chamber; the end of a heating duct is arranged on the position in the primary catalyst chamber and close to the fresh hot air heated wall; an axis of a front hot air spout forms an included angle of 90 degrees with the direction of an enameled wire. A fresh hot air spout of the invention is followed by the front hot air spout, a front hot air deflector and an organic waste gas inlet in sequence. In the invention, the fresh hot air undergoes multi source heating; the fresh hot air entering the forehearth area covers a large enough forehearth area, so that the surface of a paint film of the enameled wire is bonded in advance to prevent bonding of particles. In the invention, the diameters of front hot air conveying pipelines are reasonably selected, so that the front hot air and the fresh hot air reach the optimum ratio. Under the premise of realizing that heat energy which consumes organic waste gases is used instead of electric heating, the invention ensures that the efficiency of the whole enamelling machine is improved, quality ensured, electric energy saved and emission reduced.
Description
Technical field
The present invention relates to enamelled wire and cover and be coated with paint film and cure dry method and apparatus, particularly utilize the enamelling machine technology of the thermal energy to replace electric energy heating behind the catalytic combustion, the forehearth area that relates in particular to the enamelling machine that utilizes catalytic combustion thermal energy is cured dry method and apparatus.
Background technology
In the Production of Enamel Wires industry of prior art, for reducing cost and energy-saving and emission-reduction, some enamelled wire manufacturing firms have researched and developed energy-saving enamelled wire machine baker, and purpose is the heat energy replacement electric heating that realizes with the burning organic exhaust gas.
But analyze its mainstream technology scheme; Catalytic combustor in most of equipment in the waste gas recycle device all is arranged on burner hearth curing area one end; The gas that the enamelled wire solvent is evaporated burns through catalytic combustor; Produce thermal current, burner hearth is squeezed in fresh air following current after the thermal current preheating, and such result makes energy-saving effect and not obvious.
For example: Chinese utility model patent has been arranged No. 02290021.7; The technical scheme of disclosed a kind of " energy-saving little line enameling machine oven " by name; This scheme comprises: a kind of energy-saving little line enameling machine oven comprises burner hearth, waste gas recycle device, wherein; The inlet of waste gas recycle device is arranged on evaporating area one end of burner hearth, and outlet is connected with curing area one end of burner hearth through circulating fan, branch airduct.
Though the reverse burner hearth cavity of squeezing into of thermal current that this scheme reclaim to produce waste gas, single inlet is far away apart from the evaporating area of burner hearth, still needs the electrothermal tube heating in the evaporating area of burner hearth, and therefore, energy-saving effect does not reach ideal value.
No. 03263874.4 Chinese utility model patent for another example; The technical scheme of disclosed a kind of " two circular form horizontal enameling machine oven " by name; Though this scheme is all squeezed into the thermal current that the waste gas recovery produces in the evaporating area and the curing area of burner hearth; But the problem that it does not still solve whole burner hearth reasonable distribution heat that is to say that the middle district of burner hearth does not have the heat supply, still needs the electrothermal tube heating.
Simultaneously; This scheme does not think over the problem of quality of enamelled wire; That is to say the evaporating area of the burner hearth when the enamelled wire solvent is evaporated, just forehearth area is that enamelled wire is the most easily by the interval of particle contamination; This patent is not considered the scale problem of circulating air amount of quoting and fresh hot blast, and the problem between the area of coverage.
Summary of the invention
For defective and the weak point of avoiding existing in the prior art, the present invention proposes method and the device that a kind of enamelling machine forehearth area is cured.
The present invention replaces electrically heated purpose in order to realize with the heat energy of burning organic exhaust gas.Guarantee simultaneously quality of enamelled wire again; Forehearth area at main furnace body; Evaporating area when just the enamelled wire solvent is evaporated uses the new hot blast that contains fresh air sent here through heat exchanger that enamelled wire is carried out heat baking first earlier, makes the coating surface of the enamelled wire conjunctiva of going ahead of the rest, and resists the bonding of particulate.
In order to make new hot blast have sufficiently high temperature, must the new hot blast that come out from heat exchanger be heated once again, and make new hot blast cover certain interval.
In order to achieve the above object, the present invention realizes through adopting following technical scheme:
Implement the method that a kind of enamelling machine forehearth area is cured, said method is based on the enamelling machine of the main furnace body that main stove heating tube has been installed, circulating fan, heat exchanger and primary catalyst chamber; Said main stove heating tube is used for preheating procedure;
Said method comprises the steps:
A. at first above main furnace body the position near the middle part circulating fan is set, primary catalyst chamber is set above main furnace body; Heat exchanger is set above primary catalyst chamber, after catalytic combustion thermal energy reaches normal circulation, all or part of being de-energized of main stove heating tube;
B. next primary catalyst chamber output circulating air simultaneously, is accepted to add the air cooking that export the hot-flow flue end with the new hot blast heated wall that primary catalyst chamber knot wall forms, and is given new hot blast with heat delivered to heat exchanger;
C. next, with the new hot air spout ejection of new hot blast by new hot-flow flue end, new hot blast is full of the first half of forehearth area, and the enamelled wire that just soaked lacquer is cured;
D. hot blast before the set preceding hot air spout ejection circulation in new hot air spout back then;
E. hot blast cures the back in forehearth area to enamelled wire and forms organic exhaust gas before new hot blast, the circulation;
F. latter half of in forehearth area then, an organic exhaust gas inlet is collected organic exhaust gas and is got into primary catalyst chamber;
G. next, organic exhaust gas forms circulating air at the primary catalyst chamber catalytic combustion, gets back to step B.
Among the step D of said method, hot blast before the said preceding hot air spout ejection circulation is to be less than 90 ° of angles ejections with the enamelled wire direction of advance.
The place ahead of said method hot air spout before said, a preceding hot blast wind deflector is with the bottom of blast to forehearth area, and operation backward makes it fully contact with enamelled wire again.
Among the step B of said method, the outside of said new hot blast heated wall constitutes the middle part of new hot-flow flue.
Among the step B of said method, hot blast heated wall before said new hot blast heated wall connects, new hot blast was heated in the baking of hot blast before said preceding hot blast heated wall received.
Manufacture and design the device that a kind of enamelling machine forehearth area is cured according to said method, said device connects main furnace body, heat exchanger, adds hot-flow flue end and primary catalyst chamber, and especially, said device comprises:
One new hot blast heated wall, said new hot blast heated wall and primary catalyst chamber knot wall form; The said hot-flow flue end that adds is arranged on the interior position near new hot blast heated wall of primary catalyst chamber;
Hot blast heated wall before one, said preceding hot blast heated wall and preceding hot blast chamber knot wall form, said preceding hot blast hot-flow flue end before indoor comprising;
Hot blast heated wall, new hot blast heated wall respectively constitute the afterbody and the middle part of new hot-flow flue before said.
There is preceding hot air spout the hot blast chamber before said, and the axis and the enamelled wire direction of advance of said preceding hot air spout are less than 90 ° of angles.
Along the enamelled wire direction of advance new hot air spout being set at first, is preceding hot air spout afterwards, forward setting again, hot blast wind deflector before comprising, said before the front again of hot blast wind deflector be the organic exhaust gas inlet.
The said sectional area that adds the sectional area of hot-flow flue end greater than preceding hot-flow flue end.
Outside the new hot-flow flue outer wall of said new hot-flow flue, insulation material is set.
Compared with prior art; The present invention has carried out multiple heating emphatically to the new hot blast that gets into forehearth area, makes new hot blast have sufficiently high temperature, and the new hot blast of entering forehearth area has covered enough big forehearth area interval; Make the coating surface of the enamelled wire conjunctiva of going ahead of the rest, resist the bonding of particulate.
Simultaneously; The diameter in hot blast conveying pipe road before the choose reasonable of the present invention; Hot blast reaches best proportioning with new hot blast before making; Guarantee that the heat energy that organic exhaust gas produces behind a catalytic combustion enough keeps equipment operation, the present invention also science is provided with preceding hot air spout, preceding hot blast wind deflector, organic exhaust gas inlet, thereby for whole enamelling machine realized raising the efficiency, ensured the quality of products, energy-saving and emission-reduction are taken a firm foundation.
Description of drawings
Fig. 1 is the general principles block diagram of a kind of enamelling machine of the present invention;
Fig. 2 is the principle schematic of the most preferred embodiment of a kind of enamelling machine forehearth area of the present invention method of curing and device;
Fig. 3 is a kind of enamelling machine forehearth area of the present invention method of curing and the sketch map that adds the hot-flow flue end of device;
Fig. 4 is the sketch map of the preceding hot-flow flue end of a kind of enamelling machine forehearth area of the present invention method of curing and device.
Label among the figure: 1 enamelled wire, 10 main furnace bodies, 11 forehearth area, in 12 the stove district, stove districts, 13 back, 16 plug for outlet.
20 primary catalyst chamber, 21 organic exhaust gas inlet, 25 catalytic body, 26 advance the heat exchanger air door, and 27 advance the circulating fan air door.
30 circulating fans.
Hot air mixing chambers 40,41 primary air separating ducts, in 42 the air channel, air channels, 43 back, 44 water backs.
Hot-flow flue termination before the 41a, hot-flow flue end before the 41b, hot-flow flue end hole before the 41b1, termination, air channel among the 42a, end, air channel among the 42b, 44a adds the hot-flow flue termination, and 44b adds the hot-flow flue end, and 44b1 adds the hot-flow flue end hole.
47 hot air mixing chamber inlets, 48 hot blast distribution plates.
Hot blast chamber before the hot blast wind deflector before the hot air spout before the 41c, 41h, 41k.
50 heat exchangers, 51 new hot-flow flues, 52 new hot blasts, 53 new warm air regulators, 54 new hot blast heated wall, 55 heat exchange chamber heated wall, 56 preceding hot blast heated wall, 57 heat exchange chambers, 511 new hot air spouts.
60 accumulation chamber of waste gas, 61 flue gas leadings.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
Most preferred embodiment as shown in Figure 2:
Implement the method that a kind of enamelling machine forehearth area is cured, said method is based on the enamelling machine of the main furnace body that main stove heating tube has been installed, circulating fan, heat exchanger and primary catalyst chamber; Said main stove heating tube is used for preheating procedure;
Said method comprises the steps:
A. at first above main furnace body 10 position near the middle part circulating fan 30 is set, primary catalyst chamber 20 is set above main furnace body 10; Heat exchanger 50 is set above primary catalyst chamber 20, after catalytic combustion thermal energy reaches normal circulation, all or part of being de-energized of main stove heating tube;
B. next primary catalyst chamber 20 output circulating airs simultaneously, are accepted to add the air cooking that hot-flow flue end 44b exports with the new hot blast heated wall 54 that primary catalyst chamber 20 knot walls form, and are given new hot blast 52 with heat delivered to heat exchanger 50;
C. next, with new hot air spout 511 ejections of new hot blast 52 by new hot-flow flue 51 ends, new hot blast 52 is full of the first half of forehearth area 11, and the enamelled wire 1 that just soaked lacquer is cured;
D. hot blast before the set preceding hot air spout 41c ejection circulation in new hot air spout 511 back then;
E. hot blast cures the back in forehearth area to enamelled wire 1 and forms organic exhaust gas before new hot blast 52, the circulation;
F. latter half of in forehearth area then, an organic exhaust gas inlet 21 is collected organic exhaust gas and is got into primary catalyst chamber 20;
G. next, organic exhaust gas forms circulating air at primary catalyst chamber 20 catalytic combustions, gets back to step B.
In the step D of said method, hot blast before the said preceding hot air spout 41c ejection circulation is to be less than 90 ° of angles ejections with enamelled wire 1 direction of advance.
The place ahead of hot air spout 41c before said method said, hot blast wind deflector 41h is with the bottom of blast to forehearth area before one, and operation backward makes it fully contact with enamelled wire 1 again.
In the step B of said method, the outside of said new hot blast heated wall 54 constitutes the middle part of new hot-flow flue 51.
In the step B of said method, hot blast heated wall 56 before said new hot blast heated wall 54 connects, new hot blast 52 was heated in the baking of hot blast before said preceding hot blast heated wall 56 received.
Manufacture and design the device that a kind of enamelling machine forehearth area is cured according to said method, said device connects main furnace body 10, heat exchanger 50, adds hot-flow flue end 44b and primary catalyst chamber 20, and especially, said device comprises:
One new hot blast heated wall 54, said new hot blast heated wall 54 forms with primary catalyst chamber 20 knot walls; The said hot-flow flue end 44b that adds is arranged on primary catalyst chamber 20 interior positions near new hot blast heated wall 54;
Hot blast heated wall 56 before one, said preceding hot blast heated wall 56 forms with preceding hot blast chamber 41k knot wall, hot-flow flue end 41b before comprising in the said preceding hot blast chamber 41k;
Said new hot blast heated wall 54, preceding hot blast heated wall 56 respectively constitute the middle part and the afterbody of new hot-flow flue 51.
In most preferred embodiment, this angle can be between 30～60 ° of angles, and hot blast wind deflector 41h before cooperating makes wind form turbulent flow in the second half of forehearth area 11, with enamelled wire 1 sufficient the contact is arranged.
Along enamelled wire 1 direction of advance new hot air spout 511 being set at first, is preceding hot air spout 41c afterwards, forward setting again, hot blast wind deflector 41h before comprising, said before the front again of hot blast wind deflector 41h be organic exhaust gas inlet 21.
As shown in Figure 2, best, new hot blast heated wall 54 totally is upwards or tiltedly, and the upwards baking of burning things which may cause a fire disaster of similar and body of heater is to obtain the effect of the good new hot blast of heating.
Certainly when other execution mode; Also can new hot blast heated wall 54 be designed to other forms; At first other design should be to fall within the design philosophy of the present invention, and vertical or downward thermal radiation, and efficient is not as the height of most preferred embodiment of the present invention.
The present invention had a mind to extend path of new hot-flow flue 51 is intended to the baking of new hot blast heated wall 54 this section acceptance heating hot blast, and this is the main feature of technical scheme of the present invention.
In most preferred embodiment, the said sectional area that adds the sectional area of hot-flow flue end 44b greater than preceding hot-flow flue end 41b.
Outside the new hot-flow flue outer wall 59 of said new hot-flow flue 51, insulation material is set.
Among Fig. 2, a new warm air regulator 53 is used for regulating new hot blast.
Like Fig. 3, shown in Figure 4, preceding hot-flow flue end hole 41b1, add how much the looking actual needs of hot-flow flue end hole 44b1 and decide, pardon and do further narration at this.
As shown in Figure 2, heat exchange chamber heated wall 55 can be at first to new hot blast 52 heating, and this is an optimal design that makes full use of circulating air, in other embodiment, various structure can be arranged.
The present invention has carried out comparatively careful division to the regional extent in the forehearth area 11 of main furnace body 10, middle stove district 12, stove district, back 13, for the circulating air in each district of reasonable distribution entering, according to the far and near difference of hot air mixing chamber 40 to each district; Confirm to be assigned to the maximum quantity of wind in each district; Like this, the division in each district just has certain boundary, learns through test; Best; By length allocation: forehearth area 11 accounts for 18%～28% of total thermal treatment zone, and middle stove district 12 accounts for 38%～48%, and back stove district 13 accounts for 28%～38%.
After each district confirms maximum quantity of wind, will confirm that by the diameter of hot air mixing chamber 40 certainly, this air quantity will be regulated in actual moving process to the pipeline in each district.
According to design philosophy of the present invention, the circulating fan that above main furnace body, is provided with, primary catalyst chamber, hot air mixing chamber might not limit the position; As long as primary air separating duct 41 is arranged; Middle air channel 42, back air channel 43, water back 44 is communicated with hot air mixing chambers 40 and gets final product; Certainly; Best is design of the present invention, though other design also can realize the present invention the purpose that will reach, indexs such as performance index, raw materials consumption all are not so good as the superior of preferred plan of the present invention.
Especially for the new hot blast 52 foremost that makes forehearth area 11 plays one's part to the full, all to apply to the best to its temperature, flow.
As shown in Figure 1, the discharge gas that is come out by quadric catalysis chamber 70 still has very high temperature, and this is discharged gas and is repeatedly utilized 90 operations further to utilize by heat energy; For example can be used as hot-water boiler,, can also pass through heat exchange for plant area provides hot water; Remove dry goods, or the like.
In sum, the present invention has broken through a forbidden zone, that is: after accomplishing preheating; Main stove heating tube 15 fully cuts off the power supply; Only just can realize the running of enamelling machine with the heat energy of Catalytic Combustion of Organic Exhaust Gases, and discharge index is significantly less than the discharge standard of national requirements, the while has been improved production efficiency again; Guarantee product quality, saved electric energy greatly.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (10)
1. method that the enamelling machine forehearth area is cured, said method is based on the enamelling machine of the main furnace body that main stove heating tube has been installed, circulating fan, heat exchanger and primary catalyst chamber; Said main stove heating tube is used for preheating procedure;
It is characterized in that said method comprises the steps:
A. at first the position near the middle part is provided with circulating fan (30) in main furnace body (10) top, in main furnace body (10) top primary catalyst chamber (20) is set; In primary catalyst chamber (20) top heat exchanger (50) is set, after catalytic combustion thermal energy reaches normal circulation, all or part of being de-energized of main stove heating tube;
B. next primary catalyst chamber (20) output circulating air to heat exchanger (50); Simultaneously; Accept to add the air cooking that export hot-flow flue end (44b) with the new hot blast heated wall (54) that primary catalyst chamber (20) knot wall forms, and give new hot blast (52) heat delivered;
C. next, with new hot air spout (511) ejection of new hot blast (52) by new hot-flow flue (51) end, new hot blast (52) is full of the first half of forehearth area, and the enamelled wire (1) that just soaked lacquer is cured;
D. hot blast before set preceding hot air spout (41c) the ejection circulation in new hot air spout (511) back then;
E. hot blast cures the back in forehearth area to enamelled wire (1) and forms organic exhaust gas before new hot blast (52), the circulation;
F. latter half of in forehearth area then, an organic exhaust gas inlet (21) is collected organic exhaust gas and is got into primary catalyst chamber (20);
G. next, organic exhaust gas forms circulating air at primary catalyst chamber (2O) catalytic combustion, gets back to step B.
2. the method that enamelling machine forehearth area according to claim 1 is cured is characterized in that:
In step D, hot blast before said preceding hot air spout (41c) the ejection circulation is to be less than 90 ° of angles ejections with enamelled wire (1) direction of advance.
3. the method that enamelling machine forehearth area according to claim 2 is cured is characterized in that:
The place ahead of hot air spout before said (41c), a preceding hot blast wind deflector (41h) is with the bottom of blast to forehearth area, and operation backward makes it fully contact with enamelled wire (1) again.
4. the method that enamelling machine forehearth area according to claim 1 is cured is characterized in that:
In step B, the outside of said new hot blast heated wall (54) constitutes the middle part of new hot-flow flue (51).
5. the method that enamelling machine forehearth area according to claim 4 is cured is characterized in that:
In step B, hot blast heated wall (56) before said new hot blast heated wall (54) connects, new hot blast (52) was heated in the baking of hot blast before said preceding hot blast heated wall (56) received.
6. device that the enamelling machine forehearth area is cured, said device connects main furnace body (10), heat exchanger (50), adds hot-flow flue end (44b) and primary catalyst chamber (20), it is characterized in that said device comprises:
One new hot blast heated wall (54), said new hot blast heated wall (54) forms with primary catalyst chamber (20) knot wall; The said hot-flow flue end (44b) that adds is arranged on the interior position near new hot blast heated wall (54) of primary catalyst chamber (20);
Hot blast heated wall (56) before one, said preceding hot blast heated wall (56) forms with preceding hot blast chamber (41k) knot wall, hot-flow flue end (41b) before comprising in the said preceding hot blast chamber (41k);
Said new hot blast heated wall (54), preceding hot blast heated wall (56) respectively constitute the middle part and the afterbody of new hot-flow flue (51).
7. the device that enamelling machine forehearth area according to claim 6 is cured is characterized in that:
There is preceding hot air spout (41c) hot blast chamber (41k) before said, and the axis and enamelled wire (1) direction of advance of said preceding hot air spout (41c) are less than 90 ° of angles.
8. the device that enamelling machine forehearth area according to claim 7 is cured is characterized in that:
Along enamelled wire (1) direction of advance new hot air spout (511) being set at first, is preceding hot air spout (41c) afterwards, forward setting again, hot blast wind deflector (41h) before comprising, said before the front again of hot blast wind deflector (41h) be organic exhaust gas inlet (21).
9. the device that enamelling machine forehearth area according to claim 6 is cured is characterized in that:
The said sectional area that adds the sectional area of hot-flow flue end (44b) greater than preceding hot-flow flue end (41b).
10. the device that enamelling machine forehearth area according to claim 6 is cured is characterized in that:
Outside the new hot-flow flue outer wall (59) of said new hot-flow flue (51), insulation material is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101062146A CN101527192B (en) | 2009-03-20 | 2009-03-20 | Method and device for baking a forehearth area of an enamelling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101062146A CN101527192B (en) | 2009-03-20 | 2009-03-20 | Method and device for baking a forehearth area of an enamelling machine |
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| CN101527192A CN101527192A (en) | 2009-09-09 |
| CN101527192B true CN101527192B (en) | 2012-01-18 |
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| CN2009101062146A Expired - Fee Related CN101527192B (en) | 2009-03-20 | 2009-03-20 | Method and device for baking a forehearth area of an enamelling machine |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101482364B (en) * | 2009-01-19 | 2011-12-28 | 东莞泽龙线缆有限公司 | Reasonable catalytic combustion thermal energy distribution method and equipment of enameling machine |
| CN102867597B (en) * | 2012-08-20 | 2014-06-18 | 东莞泽龙线缆有限公司 | Method and equipment structure for setting energy-saving and emission-reduction air return capacity of multi-wire enameling machine |
| CN103915220A (en) * | 2014-03-11 | 2014-07-09 | 江苏欧赛德科技有限公司 | Energy-saving environment-friendly type horizontal enameling machine |
| CN108777198B (en) * | 2018-04-24 | 2019-12-27 | 安徽春辉仪表线缆集团有限公司 | Method and equipment for baking front furnace area of energy-saving enamelling machine |
| CN111013974B (en) * | 2019-12-19 | 2022-02-25 | 桐乡市益丰电气股份有限公司 | Enameled wire drying equipment and enameled wire processing method based on same |
| CN111446048A (en) * | 2020-04-07 | 2020-07-24 | 安徽恒明工程技术有限公司 | Enameled wire paint film curing method |
| CN114255933B (en) * | 2021-12-25 | 2023-10-31 | 常州市武进华菱电工机械有限公司 | Enameling machine capable of improving waste gas absorptivity |
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