CN103045813A - Cooling device for gas shielded copper wire vacuum annealing furnace and cooling method - Google Patents
Cooling device for gas shielded copper wire vacuum annealing furnace and cooling method Download PDFInfo
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- CN103045813A CN103045813A CN2012105417820A CN201210541782A CN103045813A CN 103045813 A CN103045813 A CN 103045813A CN 2012105417820 A CN2012105417820 A CN 2012105417820A CN 201210541782 A CN201210541782 A CN 201210541782A CN 103045813 A CN103045813 A CN 103045813A
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Abstract
The present invention provides a cooling device for a gas shielded copper wire vacuum annealing furnace and a cooling method. The cooling device for the gas shielded copper wire vacuum annealing furnace includes a gas cooling heat exchanger and a high-temperature circulating fan. An outer tube at one end of the gas cooling heat exchanger is connected with the outlet of a gas buffer tank. An inner tube is connected with an outlet valve. An outer tube at the other end of the gas cooling heat exchanger is connected with an input end of the high-temperature circulating fan. An inner tube is connected with an output end of a pump. One end of the gas buffer tank is provided with a gas input tube. The output end of the high-temperature circulating fan is connected with a gas inlet tube between a flow control valve and the gas buffer tank. The input end of the pump is communicated with the inlet valve. The cooling device has the advantage of improved product quality, saved energy, reduced manufacturing costs, easy operation and high production efficiency.
Description
Technical field
The present invention relates to a kind of copper wire annealing stove with refrigerating unit and method of cooling, particularly a kind of gas shield copper cash vacuum annealing furnace is with refrigerating unit and method of cooling.
Background technology
Bare copper wire conductor (comprising round copper wire, flat type copper wire, copper bar, copper pipe, copper busbar etc.) after at present both at home and abroad insulated wire manufacturers generally adopts vacuum well type (or horizontal) annealing furnace to cold working (rolling, drawing, extruding etc.) carries out anneal, its objective is in order to eliminate cold hardening and stress, obtain soft attitude bare copper wire conductor, reduce the conductor resistance rate and be convenient to the carrying out of follow-up producing process (such as coiling, wrapping insulation layer, moulding etc.).There is following technical problem in existing annealing device:
1) inefficiency, and be not easy to produce in enormous quantities.The annealing total time of a common tank copper cash is from feeding → seal → vacuumizing and processed → be filled with the whole process that goes out to fill with below shielding gas → heat temperature raising → insulation → air-cooled → water-cooled to 50 ℃ about about 25 hours consuming time, annealing whole process overlong time.
2) annealing process control weak effect, labor strength is large, and the copper conductors after anneal does not reach desirable mechanical property and requirement on electric performance.The phenomenons such as the surface blackening (oxidation) of product in annealing process, open bubble often occur causing because of seal leakage, and because the flexibility of conductor causes follow-up producing process difficult not, have a strong impact on quality product.
3) energy consumption is high, causes easily envrionment temperature local between the annealed zone to raise.Because the long and air-cooled process of annealing time and Cooling Process all carry out indoor, a large amount of heat energy needs to cool off by the air between the annealed zone and water coolant absorption, it is too fast to cause easily envrionment temperature local between the annealed zone to raise, and because the cooling basin need take very large place and space, production site is refrigeration cycle water pipe and ponding everywhere, production environment is poor, is not easy to effectively organize lean production.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the high gas shield copper cash vacuum annealing furnace of a kind of save energy, production efficiency with refrigerating unit and method of cooling.
The technical solution used in the present invention is: a kind of gas shield copper cash vacuum annealing furnace refrigerating unit, comprise gas buffer tank, gas cooling heat exchanger, water pump and high temperature circulation blower fan, the outer tube of described gas cooling heat exchanger one end is connected with the outlet of gas buffer tank, inner tube is connected with outlet valve, the outer tube of the other end of gas cooling heat exchanger is connected with the input terminus of high temperature circulation blower fan after connecting successively new shielding gas replenishment valve, blower fan inlet valve, and inner tube is connected with the output terminal of water pump; One end of described gas buffer tank is provided with a gas inlet pipe road, this gas inlet pipe road is provided with gas circulation variable valve and exhaust-valve, the gas circulation variable valve is between exhaust-valve and gas buffer tank, the output terminal of described high temperature circulation blower fan is the connecting fan outlet valve successively, be connected to behind the second gas circulation variable valve and the gas dispense flow rate meter on the gas inlet pipe road between gas circulation variable valve and the gas buffer tank, on described high temperature circulation blower fan and the pipeline that the gas inlet pipe road is communicated with, be provided with a gas output tube road between the second gas circulation variable valve and the fan outlet valve, the input terminus of described water pump is communicated with water intaking valve.
Above-mentioned gas shield copper cash vacuum annealing furnace is equipped with the 3rd gas circulation variable valve and second emptying valve with in the refrigerating unit on the gas output tube road between described the second gas circulation variable valve and the fan outlet valve.
A kind of method of cooling of gas shield copper cash vacuum annealing furnace comprises the steps:
1) utilize the gas inlet pipe road that the high-temperature gas in the annealing pot is introduced the gas buffer tank; Utilize the gas cooling heat exchanger that high temperature protection gas is cooled off;
2) cooled shielding gas being drawn into the high temperature circulation blower fan pressurizes;
3) cooled pressurization shielding gas is leaded up to the high temperature conjunction flexible pipe and is forced to send into the annealing pot bottom and mix the temperature of the interior shielding gas of fast reducing annealing pot with high temperature protection gas in the tank; The quick cooled shielding gas in another road then distribution by under meter is regulated and is entered the gas buffer tank, mixes the high temperature protection gas that the cooling gas surge tank is interior with high temperature protection gas in the gas buffer tank.
The invention has the beneficial effects as follows: 1) the present invention utilizes the interior shielding gas of gas buffer tank by the gas cooling heat exchanger annealed copper wire conductor directly to be cooled off; the cooling efficiency of comparing with traditional air-cooled indirect type of cooling that adds water-cooled is enhanced about more than once; one tank copper cash is (about well formula tank 2500kg; about horizontal tank 5000kg) can be controlled in annealing total time in 8 hours; and traditional conventional type of cooling annealing total time needs about 25 hours; improve utilization ratio and the working efficiency of equipment, saved the energy.2) flexibility of quick cooling Effective Raise conductor of the present invention and unit elongation etc., obtain desirable conductor mechanical property, be convenient to the moulding shaping etc. of wrapped, the coil of subsequent handling such as coil winding, insulation layer, reduce simultaneously the conductor resistance rate, guarantee the electrical property of copper conductors, integral body has improved the quality product of copper conductors.3) the supporting employing automatic control mode of the present invention and annealing furnace control system is controlled easy to operate practicality to the annealing cooling whole process of copper cash product; Because stainless steel filling body after adopting the present invention does not need directly to place the cooling basin to cool off, avoided tank body rapid heat cycle repeatedly, can effectively improve the work-ing life that stainless steel is filled with body.4) and the production scene need not arrange cooling basin and complicated refrigeration cycle water pipe, the cooling basin can be placed the outdoor overall cooling that carries out, guarantee that a large amount of heat energy distributes outdoor, thereby can effectively improve Working environment.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, gas shield copper cash vacuum annealing furnace of the present invention comprises gas buffer tank 1, gas cooling heat exchanger 2, water pump 3 and high temperature circulation blower fan 4 with refrigerating unit, the outer tube of described gas cooling heat exchanger 2 one ends is connected with 1 outlet of gas buffer tank, and inner tube is connected with outlet valve 21; The outer tube of the other end of gas cooling heat exchanger 2 is connected with the input terminus of high temperature circulation blower fan 4 after connecting successively new shielding gas replenishment valve 8, blower fan inlet valve 42, and inner tube is connected with the output terminal of water pump 3.One end of described gas buffer tank 1 is provided with a gas inlet pipe road 11, and this gas inlet pipe road 11 is provided with gas circulation variable valve 5 and exhaust-valve 6, and gas circulation variable valve 5 is between exhaust-valve 6 and gas buffer tank 1.The output terminal of described high temperature circulation blower fan 4 is connected to behind connecting fan outlet valve 41, the second gas circulation variable valve 12 and the gas dispense flow rate meter 7 on the gas inlet pipe road 11 between gas circulation variable valve 5 and the gas buffer tank 1 successively.The input terminus of described water pump 3 is communicated with water intaking valve 31.On described high temperature circulation blower fan 4 and the pipeline that gas inlet pipe road 11 is communicated with, be provided with a gas output tube road 10 between the second gas circulation variable valve 12 and the fan outlet valve 41, the 3rd gas circulation variable valve 13 and second emptying valve 14 are housed on this gas output tube road 10.
Use above-mentioned gas shield copper cash vacuum annealing furnace with the method for cooling of refrigerating unit to the cooling of copper wire annealing stove, comprise the steps:
1) utilize gas inlet pipe road 11 that the high-temperature gas in the annealing pot is introduced gas buffer tank 1; Utilize gas cooling heat exchanger 2 that high temperature protection gas is cooled off;
2) cooled shielding gas being drawn into high temperature circulation blower fan 4 pressurizes;
3) cooled pressurization shielding gas is leaded up to the high temperature conjunction flexible pipe and is forced to send into the annealing pot bottom and mix the temperature of the interior shielding gas of fast reducing annealing pot with high temperature protection gas in the tank; The quick cooled shielding gas in another road then distribution by under meter is regulated and is entered gas buffer tank 1, mixes the high temperature protection gas that cooling gas surge tank 1 is interior with high temperature protection gas in the gas buffer tank 1.
Use the copper cash of the present invention's processing and the copper cash performance of conventional annealing processing to be compared as follows table:
Claims (3)
1. gas shield copper cash vacuum annealing furnace refrigerating unit, it is characterized in that: comprise gas buffer tank, gas cooling heat exchanger, water pump and high temperature circulation blower fan, the outer tube of described gas cooling heat exchanger one end is connected with the outlet of gas buffer tank, inner tube is connected with outlet valve, the outer tube of the other end of gas cooling heat exchanger is connected with the input terminus of high temperature circulation blower fan after connecting successively new shielding gas replenishment valve, blower fan inlet valve, and inner tube is connected with the output terminal of water pump; One end of described gas buffer tank is provided with a gas inlet pipe road, this gas inlet pipe road is provided with gas circulation variable valve and exhaust-valve, the gas circulation variable valve is between exhaust-valve and gas buffer tank, the output terminal of described high temperature circulation blower fan is the connecting fan outlet valve successively, be connected to behind the second gas circulation variable valve and the gas dispense flow rate meter on the gas inlet pipe road between gas circulation variable valve and the gas buffer tank, on described high temperature circulation blower fan and the pipeline that the gas inlet pipe road is communicated with, be provided with a gas output tube road between the second gas circulation variable valve and the fan outlet valve, the input terminus of described water pump is communicated with water intaking valve.
2. gas shield copper cash vacuum annealing furnace refrigerating unit as claimed in claim 1 is characterized in that: on the gas output tube road between described the second gas circulation variable valve and the fan outlet valve the 3rd gas circulation variable valve and second emptying valve is housed.
3. the method for cooling of a gas shield copper cash vacuum annealing furnace comprises the steps:
1) utilize the gas inlet pipe road that the high-temperature gas in the annealing pot is introduced the gas buffer tank; Utilize the gas cooling heat exchanger that high temperature protection gas is cooled off;
2) cooled shielding gas being drawn into the high temperature circulation blower fan pressurizes;
3) cooled pressurization shielding gas is leaded up to the high temperature conjunction flexible pipe and is forced to send into the annealing pot bottom and mix the temperature of the interior shielding gas of fast reducing annealing pot with high temperature protection gas in the tank; The quick cooled shielding gas in another road then distribution by under meter is regulated and is entered the gas buffer tank, mixes the high temperature protection gas that the cooling gas surge tank is interior with high temperature protection gas in the gas buffer tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210541782.0A CN103045813B (en) | 2012-12-14 | 2012-12-14 | Cooling device for gas shielded copper wire vacuum annealing furnace and cooling method |
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| CN201210541782.0A CN103045813B (en) | 2012-12-14 | 2012-12-14 | Cooling device for gas shielded copper wire vacuum annealing furnace and cooling method |
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| CN103045813B CN103045813B (en) | 2015-01-07 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048154A (en) * | 2016-07-13 | 2016-10-26 | 浙江晨光电缆股份有限公司 | Copper material annealing furnace |
| CN107738067A (en) * | 2017-09-13 | 2018-02-27 | 中天合金技术有限公司 | A kind of random length half-hard state copper pipe bus production technology |
| CN107916383A (en) * | 2017-11-29 | 2018-04-17 | 苏州金钜松机电有限公司 | A kind of application method for component of annealing |
| CN107974550A (en) * | 2017-11-29 | 2018-05-01 | 苏州金钜松机电有限公司 | A kind of copper wire annealing method |
| CN107974548A (en) * | 2017-11-29 | 2018-05-01 | 苏州金钜松机电有限公司 | A kind of filament annealing pot |
| CN107974551A (en) * | 2017-11-29 | 2018-05-01 | 苏州金钜松机电有限公司 | A kind of copper wire annealing tank |
| CN107974549A (en) * | 2017-11-29 | 2018-05-01 | 苏州金钜松机电有限公司 | A kind of filament method for annealing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182593A (en) * | 2007-12-07 | 2008-05-21 | 东北大学 | Gas stove outer circulation cooling method of double chamber atmosphere pressure hardening furnace and cooling system thereof |
| CN202954072U (en) * | 2012-12-14 | 2013-05-29 | 湘潭高耐合金制造有限公司 | Special cooling device for closed internal circulation gas shield copper wire vacuum annealing furnace |
-
2012
- 2012-12-14 CN CN201210541782.0A patent/CN103045813B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182593A (en) * | 2007-12-07 | 2008-05-21 | 东北大学 | Gas stove outer circulation cooling method of double chamber atmosphere pressure hardening furnace and cooling system thereof |
| CN202954072U (en) * | 2012-12-14 | 2013-05-29 | 湘潭高耐合金制造有限公司 | Special cooling device for closed internal circulation gas shield copper wire vacuum annealing furnace |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048154A (en) * | 2016-07-13 | 2016-10-26 | 浙江晨光电缆股份有限公司 | Copper material annealing furnace |
| CN107738067A (en) * | 2017-09-13 | 2018-02-27 | 中天合金技术有限公司 | A kind of random length half-hard state copper pipe bus production technology |
| CN107916383A (en) * | 2017-11-29 | 2018-04-17 | 苏州金钜松机电有限公司 | A kind of application method for component of annealing |
| CN107974550A (en) * | 2017-11-29 | 2018-05-01 | 苏州金钜松机电有限公司 | A kind of copper wire annealing method |
| CN107974548A (en) * | 2017-11-29 | 2018-05-01 | 苏州金钜松机电有限公司 | A kind of filament annealing pot |
| CN107974551A (en) * | 2017-11-29 | 2018-05-01 | 苏州金钜松机电有限公司 | A kind of copper wire annealing tank |
| CN107974549A (en) * | 2017-11-29 | 2018-05-01 | 苏州金钜松机电有限公司 | A kind of filament method for annealing |
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| CN103045813B (en) | 2015-01-07 |
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