CN202711871U - Structure of energy-saving and emission-reducing air return equipment of multi-line enameling machine - Google Patents
Structure of energy-saving and emission-reducing air return equipment of multi-line enameling machine Download PDFInfo
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- CN202711871U CN202711871U CN 201220415359 CN201220415359U CN202711871U CN 202711871 U CN202711871 U CN 202711871U CN 201220415359 CN201220415359 CN 201220415359 CN 201220415359 U CN201220415359 U CN 201220415359U CN 202711871 U CN202711871 U CN 202711871U
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- mixing chamber
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Abstract
Provided is a structure of energy-saving and emission-reducing air return equipment of a multi-line enameling machine. According to the structure, the arrangement spacing between electric heating pipes in a main furnace body is changed into 5cm-5.5cm; the width of an inlet of a hot air mixing chamber is set as N*(7mm-12mm), and the height of the same is set as 160mm-200mm; the power and rotating speed of a cycling blower fan are respectively selected as 1.5-2.2KW and 550-800 revolutions/min; and the power and rotating speed of a waste discharging blower fan are respectively selected as 0.75KW and 250-500 revolutions/min. According to the utility model, the production efficiency is improved by 15%; the quality is greatly improved; power is saved by about 20%; organic exhaust gas VOC3 is discharged in 30-80mg/Nm3, which is much lower than the national standard of 120mg/Nm3; and the tail gas is colorless and without harsh peculiar smell, which alleviates greenhouse effects.
Description
Technical field
The utility model relates to enamelled wire and covers and be coated with paint film and cure dry equipment, particularly utilizes the regenerated heat energy alternative electric energy heating behind the catalytic combustion, reaches the device structure of energy-saving and emission-reduction purpose.
Background technology
In the Production of Enamel Wires industry of prior art, there have been some enamelled wire manufacturing firms to research and develop out energy-saving wire enamelling machine oven, wherein representative technical scheme is that organic exhaust gas is repeatedly utilized, thereby has saved a large amount of electric power, has reduced the discharging of waste gas.
Yet enamelling machine is a large-scale equipment, be very difficult thing for the equipment transformation in producing, and the resulting energy-saving and emission-reduction data of the result of reforming test each time all is to pay huge cost.
After reclaiming, organic exhaust gas to distribute to forehearth area, middle Lu Qu, rear stove district and catalyst chamber in machine, the most key how many organic exhaust gas of from burner hearth, fetching in the unit interval wherein, just enough each position is used, to concern energy-conservation problem, all the time discharging how much waste gas is the problem that concerns reduction of discharging, and the flow process that how long can enter the organic exhaust gas that only burns also is to concern the problem of energy-saving and emission-reduction.
Above problem is: the problem that 1, how long can enter the flow process of the organic exhaust gas that only burns relates to the arranging density problem of electric heating tube, before, never the someone studies electric heating tube directly-heated high temperature peak, can form the high-temperature body of a flat top surface, enamelled wire is wrapped in therebetween, and efficient must improve, and prior art electric heating tube interval is 7cm～8cm, enamelled wire is just walked between the hilltop, and it is unsatisfactory to be heated.
2, for the hot air mixing chamber inlet size of hot air mixing chamber, before present patent application, it is unimportant that people think always.
3, for circulating fan and waste discharge blower fan, people also never seek the matching value an of the best, can the blower fan of what power under the hot air mixing chamber inlet condition of what size, reach best enamelling machine effects of energy saving and emission reduction?
Above problem is a road of seeking for a long time unsuspectingly, and numerous enamelling machines is not all realized optimum operation, still at the unnecessary pernicious gas of discharging in atmosphere, still at the valuable energy of waste.
Prior art production efficiency is low, and is of poor quality, the waste electric energy, and organic exhaust gas VOCs discharging is higher than 120mg/N m
3National standard.
The utility model content
For defective and the weak point of avoiding existing in the prior art, the utility model proposes a kind of structure of multi-thread position enamelling machine energy-saving and emission-reduction return air equipment.
The utility model is closely aligned electric heating tube more, forms up the high-temperature body of a flat top surface that is combined by directly-heated high temperature peak, and enamelled wire is wrapped in therebetween, has shortened the electric heating transitional period.
The utility model has found at many enamelled wires and has added simultaneously man-hour, the every corresponding hot air mixing chamber inlet of enamelled wire size: 7 millimeters * 170 millimeters=1190 square millimeters.
The utility model test has drawn power and the rotating speed of the circulating fan of optimum Match: 1.5～2.2KW, 550～800 rev/mins; The power of waste discharge blower fan and rotating speed: 0.75KW, 250～500 rev/mins;
The utility model enhances productivity 15%, and quality improves greatly, and it is nearly 10% to economize on electricity, organic exhaust gas VOCs discharging: 30～80mg/N m
3, be significantly less than 120mg/N m
3National standard.
The colourless nothing of the tail gas of the present utility model dazzling peculiar smell that is pungent reduces greenhouse effect.
The utility model is by realizing by the following technical solutions:
Manufacture and design a kind of structure of multi-thread position enamelling machine energy-saving and emission-reduction return air equipment, comprising:
The arrangement pitches of electric heating tube: 5cm in the main furnace body;
Described hot air mixing chamber and circulating fan junction are the hot air mixing chamber inlet, and what enamelled wire lines the physical dimension of described hot air mixing chamber inlet and enamelling machine are processed to count N relevant, the width=N of hot air mixing chamber inlet * (7 mm～12 mm); The height of hot air mixing chamber inlet=165 mm～200 mm;
Power and the rotating speed of selected circulating fan: 1.5～2.2KW, 550～800 rev/mins;
Power and the rotating speed of selected waste discharge blower fan: 0.75KW, 250～500 rev/mins;
Described circulating fan also connects air channel at the bottom of the forehearth, middle air channel, rear air channel, primary air separating duct;
The afterbody of described main furnace body connects accumulation chamber of waste gas, and there is baking oven at the bottom of the forehearth the anterior bottom of main furnace body, and there is entrance and the organic exhaust gas entrance of new hot-flow flue on the top;
Organic exhaust gas entrance top is primary catalyst chamber, and primary catalyst chamber connects circulating fan and heat exchanger;
The useless air door of described rear fire grate is arranged in the gas channel of accumulation chamber of waste gas; Air door is arranged in the primary air separating duct before forehearth and the catalysis; Middle stove air door is arranged in the middle air channel; Air door is arranged at the bottom of the forehearth in the air channel at the bottom of the forehearth; Rear stove air door is arranged in the rear air channel; Forehearth divides air door of air duct to be arranged in the new hot-flow flue; Catalyst is adjusted air door and is arranged in the primary catalyst chamber; Air door is arranged in the passage of heat exchanger before the quadric catalysis.
The outlet of described primary air separating duct is arranged in the position before the primary catalyst chamber catalysis.
Compared with prior art, electric heating tube is closely aligned more, forms up the high-temperature body of a flat top surface that is combined by directly-heated high temperature peak, and enamelled wire is wrapped in therebetween, has shortened the electric heating transitional period.
The utility model has found at many enamelled wires and has added simultaneously man-hour, every corresponding best hot air mixing chamber inlet size of enamelled wire: 7 millimeters * 170 millimeters=1190 square millimeters.
The utility model test has drawn power and the rotating speed of the circulating fan of optimum Match: 1.5～2.2KW, 550～800 rev/mins; The power of waste discharge blower fan and rotating speed: 0.75KW, 250～500 rev/mins;
The utility model enhances productivity 15%, and quality improves greatly, and it is nearly 10% to economize on electricity, organic exhaust gas VOCs discharging: 30～80mg/N m
3, be significantly less than 120mg/N m
3National standard.
The colourless nothing of the tail gas of the present utility model dazzling peculiar smell that is pungent reduces greenhouse effect.
Description of drawings
Fig. 1 is the structure collectivity principle block diagram of a kind of multi-thread position enamelling machine energy-saving and emission-reduction return air equipment of the present utility model;
Fig. 2 is hot air mixing chamber inlet structural perspective of the present utility model.
Number in the figure: 1 enamelled wire.
10 main furnace bodies, 11 forehearth area, in 12 the stove district, 13 rear stove districts, 16 plug for outlet, baking oven at the bottom of 17 forehearths, 18 electric heating tubes.
20 primary catalyst chamber, 21 organic exhaust gas entrances, 22 circulating airs.
30 circulating fans.
Hot air mixing chambers 40, air channel at the bottom of 41 forehearths, in 42 the air channel, 43 rear air channels, 44 primary air separating ducts.
401 hot air mixing chamber inlets, 50 heat exchangers, 51 new hot-flow flues.
60 accumulation chamber of waste gas, 61 flue gas leadings.
Quadric catalysis chambers 70,80 fresh airs, 90 waste discharge blower fans.
Air door before the 102 rear fire grates air door that gives up, 103 forehearths and catalysis, stove air door in 104, air door at the bottom of 105 forehearths, 106 rear stove air doors, 107 forehearths divide air door of air duct, and 108 catalyst are adjusted air door, air door before 109 quadric catalysis.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
Shown in Figure 1 is the overall schematic of the structure of multi-thread position enamelling machine energy-saving and emission-reduction return air equipment.
As shown in Figure 1 and Figure 2, implement a kind of multi-thread position enamelling machine energy-saving and emission-reduction return air amount device structure, comprising:
The arrangement pitches of electric heating tube 18: 5cm in the main furnace body 10;
Described hot air mixing chamber 40 is hot air mixing chamber inlet 401 with circulating fan 30 junctions, what enamelled wire lines the physical dimension of described hot air mixing chamber inlet 401 and enamelling machine are processed to count N relevant, the width=N of hot air mixing chamber inlet 401 * 7 mm～12 mm; The height of hot air mixing chamber inlet 401=165 mm～200 mm;
Power and the rotating speed of selected circulating fan 30: 1.5～2.2KW, 550～800 rev/mins;
Power and the rotating speed of selected waste discharge blower fan 90: 0.75KW, 250～500 rev/mins;
Described circulating fan 30 also connects air channel 41 at the bottom of the forehearth, middle air channel 42, rear air channel 43, primary air separating duct 44;
The afterbody of described main furnace body 10 connects accumulation chamber of waste gas 60, and there is baking oven 17 at the bottom of the forehearth the anterior bottom of main furnace body 10, and there is entrance and the organic exhaust gas entrance 21 of new hot-flow flue 51 on the top;
Organic exhaust gas entrance 21 tops are primary catalyst chamber 20, and primary catalyst chamber 20 connects circulating fan 30 and heat exchanger 50;
The useless air door 102 of described rear fire grate is arranged in the gas channel of accumulation chamber of waste gas 60; Air door 103 is arranged in the primary air separating duct 44 before forehearth and the catalysis; Middle stove air door 104 is arranged in the middle air channel 42; Air door 105 is arranged at the bottom of the forehearth in the air channel 41 at the bottom of the forehearth; Rear stove air door 106 is arranged in the rear air channel 43; Forehearth divides air door of air duct 107 to be arranged in the new hot-flow flue 51; Catalyst is adjusted air door 108 and is arranged in the primary catalyst chamber 20; Air door 109 is arranged in the passage of heat exchanger 50 before the quadric catalysis.
The outlet of described primary air separating duct 44 is arranged in the position before primary catalyst chamber 20 catalysis.
Among Fig. 1 and Fig. 2, L1 is the arrangement pitches of electric heating tube 18: 5cm; L2 is the height=165 mm～200 mm of hot air mixing chamber inlet 401; L3 is the width=N * 7 mm～12 mm of hot air mixing chamber inlet 401.
The utility model all is provided with temperature detecting point at each section of main furnace body.
The utility model is divided into QHW2800MM, QHW3000MM, QHW4200MM, QHW4500MM, QHW5000MM, the models such as QHW6000MM, digitized representation board length in the model.
The working temperature in the enamelling machine forehearth area 11 of different model, middle stove district 12, rear stove district 13 is slightly different, but what enamelled wire lines the physical dimension of hot air mixing chamber inlet 401 and enamelling machine process to count relevant this criterion of N be identical.
The utility model is such to the transformation process of original enamelling machine:
Implement a kind of transformation to multi-thread position enamelling machine energy-saving and emission-reduction return air amount, described transformation is based on the enamelling machine that comprises main furnace body, primary catalyst chamber, circulating fan, hot air mixing chamber, waste discharge blower fan;
Described transformation comprises the steps:
A, at first narrows down to 5cm-5.5cm with the arrangement pitches of electric heating tube by 7 cm, increases the initial launch temperature, makes organic exhaust gas accelerate to overflow from enamelled wire;
B, then determines the physical dimension of hot air mixing chamber inlet 401, and what enamelled wire lines the physical dimension of described hot air mixing chamber inlet 401 and enamelling machine are processed to count N relevant, the width=N of hot air mixing chamber inlet 401 * 7 mm～12 mm; The height of hot air mixing chamber inlet 401=165 mm～185 mm;
C, then determine power and the rotating speed of circulating fan 30: 1.5～2.2KW, 550～800 rev/mins;
D, then determine power and the rotating speed of waste discharge blower fan 90: 0.75KW, 250～500 rev/mins;
E, then the useless air door 102 of rear fire grate is opened at 1/2 place; 103 dozens of air doors before forehearth and the catalysis at standard-sized sheet, are treated to close when temperature reaches 400～450 ℃ before the catalysis to below 1/5 or complete shut-down; Standard-sized sheet when middle stove air door 104 temperature before catalysis is not reached 400～450 ℃ is closed when temperature reaches 400～450 ℃ before catalysis; Air door at the bottom of the forehearth 105 is beaten all the time at standard-sized sheet; With 106 dozens of rear stove air doors at standard-sized sheet; Divide air door of air duct 107 to beat first at 1/2 place forehearth; Catalyst is adjusted air door 108 beat first at 1/2 place, when temperature differs 50 ℃ before and after the catalysis, this air door is beaten more than 2/3; At 1/3 place, when temperature after the catalysis during greater than 650 ℃, this air door is beaten at 1/2～2/3 place with 109 dozens of air doors before the quadric catalysis;
F, occur smoldering or during hot gas when rear stove district 13, the rotating speed of circulating fan 30 is adjusted to 660～900 rev/mins;
G, occur smoldering or during hot gas when forehearth area 11, the rotating speed of circulating fan 30 is adjusted to 350～540 rev/mins;
H, all surpass 450 ℃ or occur smoldering or during hot gas when the temperature in forehearth area 11, middle stove district 12, rear stove district 13, the rotating speed of waste discharge blower fan 90 is adjusted to 360～500 rev/mins.
The utility model obtains scientific payoffs finally through test of many times, determined that electric heating tube is closely aligned more, form up the high-temperature body of a flat top surface that is combined by directly-heated high temperature peak, enamelled wire is wrapped in therebetween, shortened the electric heating transitional period.
The utility model has found at many enamelled wires and has added simultaneously man-hour, every corresponding best hot air mixing chamber inlet size of enamelled wire: 7 millimeters * 170 millimeters=1190 square millimeters.
The utility model test has drawn power and the rotating speed of the circulating fan of optimum Match: 1.5～2.2KW, 550～800 rev/mins; The power of waste discharge blower fan and rotating speed: 0.75KW, 250～500 rev/mins;
The utility model enhances productivity 15%, and quality improves greatly, and it is nearly 10% to economize on electricity, organic exhaust gas VOCs discharging: 30～80mg/N m
3, be significantly less than 120mg/N m
3National standard.
The colourless nothing of the tail gas of the present utility model dazzling peculiar smell that is pungent has reduced greenhouse effect.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (2)
1. the structure of a multi-thread position enamelling machine energy-saving and emission-reduction return air equipment is characterized in that:
The arrangement pitches of electric heating tube (18): 5cm-5.5cm in the main furnace body (10);
Described hot air mixing chamber (40) is hot air mixing chamber inlet (401) with circulating fan (30) junction, what enamelled wire lines the physical dimension of described hot air mixing chamber inlet (401) and enamelling machine are processed to count N relevant, the width=N of hot air mixing chamber inlet (401) * (7 mm～12 mm); The height of hot air mixing chamber inlet (401)=165 mm～200 mm;
Power and the rotating speed of selected circulating fan (30): 1.5～2.2KW, 550～800 rev/mins;
Power and the rotating speed of selected waste discharge blower fan (90): 0.75KW, 250～500 rev/mins;
Described circulating fan (30) also connects air channel (41) at the bottom of the forehearth, middle air channel (42), rear air channel (43), primary air separating duct (44);
The afterbody of described main furnace body (10) connects accumulation chamber of waste gas (60), and there is baking oven (17) at the bottom of the forehearth the anterior bottom of main furnace body (10), and there is entrance and the organic exhaust gas entrance (21) of new hot-flow flue (51) on the top;
Organic exhaust gas entrance (21) top is primary catalyst chamber (20), and primary catalyst chamber (20) connects circulating fan (30) and heat exchanger (50);
The useless air door (102) of described rear fire grate is arranged in the gas channel of accumulation chamber of waste gas (60); Air door (103) is arranged in the primary air separating duct (44) before forehearth and the catalysis; Middle stove air door (104) is arranged in the middle air channel (42); Air door at the bottom of the forehearth (105) is arranged at the bottom of the forehearth in the air channel (41); Rear stove air door (106) is arranged in the rear air channel (43); Forehearth divides air door of air duct (107) to be arranged in the new hot-flow flue (51); Catalyst is adjusted air door (108) and is arranged in the primary catalyst chamber (20); Air door (109) is arranged in the passage of heat exchanger (50) before the quadric catalysis.
2. the structure of a kind of multi-thread position enamelling machine energy-saving and emission-reduction return air equipment according to claim 1 is characterized in that:
The outlet of described primary air separating duct (44) is arranged in the position before primary catalyst chamber (20) catalysis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220415359 CN202711871U (en) | 2012-08-20 | 2012-08-20 | Structure of energy-saving and emission-reducing air return equipment of multi-line enameling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220415359 CN202711871U (en) | 2012-08-20 | 2012-08-20 | Structure of energy-saving and emission-reducing air return equipment of multi-line enameling machine |
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| CN 201220415359 Withdrawn - After Issue CN202711871U (en) | 2012-08-20 | 2012-08-20 | Structure of energy-saving and emission-reducing air return equipment of multi-line enameling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867597A (en) * | 2012-08-20 | 2013-01-09 | 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 |
| CN105355336A (en) * | 2015-11-13 | 2016-02-24 | 无锡西玛梅达电工有限公司 | Double-circulation heat exchange device of oven of high-speed vertical enameling machine |
-
2012
- 2012-08-20 CN CN 201220415359 patent/CN202711871U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867597A (en) * | 2012-08-20 | 2013-01-09 | 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 |
| 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 |
| CN105355336A (en) * | 2015-11-13 | 2016-02-24 | 无锡西玛梅达电工有限公司 | Double-circulation heat exchange device of oven of high-speed vertical enameling machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20140618 |
|
| RGAV | Abandon patent right to avoid regrant |