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CN103225012A - Numerical control type micro-pressure gas cold-heat circulating annealing furnace - Google Patents

Numerical control type micro-pressure gas cold-heat circulating annealing furnace Download PDF

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Publication number
CN103225012A
CN103225012A CN201310179825XA CN201310179825A CN103225012A CN 103225012 A CN103225012 A CN 103225012A CN 201310179825X A CN201310179825X A CN 201310179825XA CN 201310179825 A CN201310179825 A CN 201310179825A CN 103225012 A CN103225012 A CN 103225012A
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China
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furnace
communicated
type micro
digital control
guiding chamber
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CN201310179825XA
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CN103225012B (en
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陈卫平
唐红
谢云岩
桑传杰
翁建兵
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Gold electrician electromagnetic wire Co. Ltd.
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HUNAN XINXIN CABLE CO Ltd
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Abstract

The invention provides a numerical control type micro-pressure gas cold-heat circulating annealing furnace which comprises a heating system, a working system, a cooling circulating system, a vacuumizing and discharging system and a numerical control system, wherein a first upper air guide chamber and a first lower air guide chamber of the heating system are respectively communicated with a second upper air guide chamber and a second lower air guide chamber of the working system; an inlet and an outlet of a circulating fan of the cooling circulating system are respectively communicated with two cooling air pipes of the working system through pipelines; and an exhausting pipeline of the vacuumizing and discharging system is communicated with an inflating pressure-relieving pipeline of the working system, and the numerical control system is used for controlling the heating system, the working system and the cooling circulating system. The numerical control type micro-pressure gas cold-heat circulating annealing furnace ensures that a bare copper conductor in the annealing furnace is heated uniformly and electromechanical properties of the annealed bare copper conductor are uniform and consistent from inside to outside, thereby enabling the time of producing a copper conductor to be greatly shortened. A micropressure mode is adopted for a working pressure, therefore, a tank body is not a high-pressure device, the manufacture cost is greatly lowered, and the safety of the numerical control type micro-pressure gas cold-heat circulating annealing furnace during operating is ensured.

Description

Digital control type micro pressure gas cold cycling annealing furnace
Technical field
The present invention relates to a kind of cable annealing device, particularly relate to a kind of digital control type micro pressure gas cold cycling annealing furnace.
Background technology
The well formula annealing furnace commonly used of cable annealing at present, the transfer mode of its heat are static the heat transfer: i.e. the mode of electrothermal tube → metal tank skin → turnover iron pan → bare copper conductor, and electrothermal tube → metal tank skin → shielding gas → dual modes such as bare copper conductor.Annealing was long heat-up time when it was produced, and the postcooling time of annealing is long, and whole copper conductor is annealed to the cooling period and reaches more than 30 hour, and Annealing Protection atmosphere operating pressure height, at 0.3~0.4MPa.Produce the tooling cost height of bare copper conductor, can not be temperature automatically controlled in the annealing process, the upper, middle and lower inequality of being heated in the annealing furnace causes the electromechanical properties instability of product.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of dynamic heat transfer, temperature automatically controlled and can guarantee that product has the digital control type micro pressure gas cold cycling annealing furnace of stable electromechanical properties.
The technical solution used in the present invention is: comprise heating system, work system, cooling recirculation system, vacuumize and blowdown system and digital control system;
Described heating system comprises furnace shell, bell and the furnace wall of being made by the furnace lining high temperature material, described furnace shell is wrapped on the outer side of furnace wall, the furnace cover lifting swivel arrangement is installed on the furnace shell, the upper end of furnace cover lifting swivel arrangement is connected with bell, furnace shell and bell are tightly connected, and adopt bolt and nut to compress; Vertical direction is all established and is furnished with a plurality of vacuum temperature measuring equipments on the furnace wall, is provided with electrothermal radiation tube in the burner hearth, the top of furnace wall and bottom be respectively equipped be communicated with burner hearth first on air guiding chamber and first time air guiding chamber, be provided with a recirculation blower in first time air guiding chamber;
Described work system comprises furnace shell and the furnace wall of being made by the furnace lining high temperature material, and described furnace shell is wrapped in the outside of furnace wall, and furnace shell is provided with the inflation relief pipeline that is communicated with burner hearth; The tail end of furnace shell is connected with fire door by the fire door locking latches; Horizontal direction evenly is furnished with a plurality of thermocouple temperature measuring apparatus on the furnace wall; Burner hearth upper front end and bottom are respectively equipped with air guiding chamber and second time air guiding chamber on second, and both sides are respectively equipped with the cooling wind-guiding chamber that is communicated with two cooling ducts on the furnace shell; Air guiding chamber is communicated with air guiding chamber on first on second, and second time air guiding chamber is communicated with first time air guiding chamber ,The bottom of burner hearth is provided with air flow guiding device and supporting-point roller track; Described air flow guiding device is communicated with second time air guiding chamber;
Described cooling recirculation system comprises recirculation blower, the import of described recirculation blower and outlet are communicated with two cooling ducts of work system by pipeline respectively, the pipeline that the outlet of recirculation blower is communicated with cooling duct is provided with an air compartment, be provided with water cooler in the air compartment, the import of water cooler and outlet are respectively equipped with inlet channel and outlet conduit;
Described vacuumize and blowdown system comprise one with the pump-line that is communicated with of inflation relief pipeline, the upper end of pump-line is connected with gas exhaust duct, gas exhaust duct is provided with exhaust solenoid valve and manual exhaust valve; The lower end of pump-line is provided with the magnetic valve of bleeding, and inflation relief pipeline and bleed and be communicated with a gas pipe line between the magnetic valve on the pump-line, gas pipe line are provided with gas transmission magnetic valve and manual gas valve;
Described digital control system comprises heating system temperature control unit, work system temperature control unit and PLC touch-screen control device, and described heating system temperature control unit, work system temperature control unit are connected with PLC touch-screen control device respectively; Described heating system temperature control unit is connected with a plurality of vacuum temperature measuring equipments of heating system; Described work system temperature control unit is connected with a plurality of thermocouple temperature measuring apparatus of work system; The PLC touch-screen control device of described digital control system is respectively with the electrothermal radiation tube of heating system and vacuumize and digital vacuum pressure gauge, the exhaust solenoid valve of blowdown system, bleed magnetic valve and gas transmission magnetic valve are connected.
In the above-mentioned digital control type micro pressure gas cold cycling annealing furnace, also comprise material transport system, material transport system is near the fire door setting of work system, described material transport system comprises guiding track and is installed in materials vehicle on the guiding track, described guiding track is perpendicular to the rail-guided direction setting of the supporting-point roller of work system burner hearth bottom, described materials vehicle is provided with the second supporting-point roller track and hydraulic pressure push-pull rod, the guide direction of the second supporting-point roller track and hydraulic pressure push-pull rod axis are all perpendicular to the guide direction of guiding track, the second supporting-point roller track is provided with mobile bracing frame, and the flexible end of hydraulic pressure push-pull rod is connected with mobile bracing frame.
In the above-mentioned digital control type micro pressure gas cold cycling annealing furnace, be tightly connected by sealing-ring and watercooling jacket between described furnace shell and the bell.
In the above-mentioned digital control type micro pressure gas cold cycling annealing furnace, air guiding chamber on described first ,Be equipped with an electrically operated valve in first time air guiding chamber.
In the above-mentioned digital control type micro pressure gas cold cycling annealing furnace, described vacuumize and the gas exhaust duct of blowdown system is provided with a digital vacuum pressure gauge, described gas pipe line is provided with a pointer vacuum pressure gauge.
The invention has the beneficial effects as follows:
The present invention transmits the heat mode: dynamic heat transfer, allow shielding gas automated cycle when cold conditions, when hot, and realize the cold and hot exchange of gas; Heat transfer type during its concrete heating is: electrothermal tube → shielding gas → bare copper conductor; Move in circles; Heat transfer type during its concrete cooling is: the shielding gas → bare copper conductor of cold conditions → hot shielding gas; Move in circles; In the bare copper conductor annealing process, the present invention controls heat-up time, Heating temperature, cooling temperature, cooling time and control shielding gas round-robin flow automatically by digital control system, and the bare copper conductor in the annealing furnace is heated evenly; Bare copper conductor electromechanical properties after guaranteeing to anneal are uniformity from the inside to the outside; Thereby shortened the time of the whole process of copper conductor production greatly; The present invention can make work system atmosphere operating pressure maintain about 2000Pa, and operating pressure is low, thereby has determined that the present invention is not a high-tension apparatus, makes manufacturing cost of the present invention reduce greatly, and has guaranteed the security of the present invention's operation.
Description of drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a heating system structural representation of the present invention.
Fig. 3 is the internal structure synoptic diagram of work system of the present invention.
Fig. 4 is the external structure synoptic diagram of work system of the present invention.
Fig. 5 is an A-A sectional view among Fig. 4.
Fig. 6 is a cooling recirculation system front view of the present invention.
Fig. 7 is a cooling recirculation system vertical view of the present invention.
Fig. 8 is a cooling recirculation system stereographic map of the present invention.
Fig. 9 is of the present invention vacuumizing and the blowdown system structural representation.
Figure 10 is a material transport system stereographic map of the present invention.
Figure 11 is the structural representation that the second supporting-point roller track of material transport system of the present invention is installed at materials vehicle.
Figure 12 is the structural representation that the hydraulic pressure push-pull rod of material transport system of the present invention is installed at materials vehicle.
Figure 13 is the structural representation of the hydraulic pressure push-pull rod of material transport system of the present invention.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of digital control type micro pressure gas cold cycling annealing furnace of the present invention comprises heating system 1, work system 2, cooling recirculation system 3, material transport system 4, vacuumizes and blowdown system 5 and digital control system 6.
As shown in Figure 2, heating system 1 of the present invention comprises furnace shell 1-1, bell 1-2 and the furnace wall 1-5 that is made by the furnace lining high temperature material, described furnace shell 1-1 is wrapped on the outer side of furnace wall 1-5, furnace cover lifting swivel arrangement 1-3 is installed on the furnace shell 1-1, the upper end of furnace cover lifting swivel arrangement 1-3 is connected with bell 1-2, be tightly connected by sealing-ring and watercooling jacket 1-4 between furnace shell 1-1 and the bell 1-2, and compress by bolt and nut; Furnace wall 1-5 goes up vertical direction and evenly is furnished with three vacuum temperature measuring equipment 1-7, be provided with electrothermal radiation tube 1-6 in the burner hearth, the top of furnace wall 1-5 and bottom be respectively equipped be communicated with burner hearth first on the 1-8 of air guiding chamber and first time 1-11 of air guiding chamber, be equipped with an electrically operated valve 1-10 on the 1-8 of air guiding chamber and first time 1-11 of air guiding chamber on first, be provided with a recirculation blower 1-9 in first time 1-11 of air guiding chamber.Water cooled pipeline also is installed on the recirculation blower 1-9, adopts recirculated water that it is lowered the temperature, recirculation blower 1-9 adopts motor, frequency transformer to implement speed control by frequency variation.
To adopt thickness be that the stainless steel plate of 10~20mm is made to furnace shell 1-1 in the heating system 1; Bell 1-2 and furnace cover lifting swivel arrangement 1-3 are connected in one, and can control it by furnace cover lifting swivel arrangement 1-3 and move up and down, and can rotate around the vertical shaft 1-3-1 of furnace cover lifting swivel arrangement 1-3 ,Its effect is when needing replacing electrothermal radiation tube 1-6, in order to open bell 1-2.The sealing-ring of furnace shell 1-1 and bell 1-2 junction and watercooling jacket 1-4; Watercooling jacket prevents that near the sealing-ring setting high temperature action lower seal from losing sealing function, has better sealing effectiveness.Electrothermal radiation tube 1-6 is that the inboard of the furnace wall 1-5 of close furnace lining high temperature material formation is provided with, three vacuum temperature measuring equipment 1-7 in the heating system 1, three of branch upper, middle and lowers are evenly arranged on the 1-5 of furnace wall, temperature in the vacuum temperature measuring equipment 1-7 master control burner hearth in middle part, temperature in all the other two vacuum temperature measuring equipment 1-7 monitoring burner hearths.The effect of electrically operated valve 1-10 is: when heating system 1 was carried out heating work, electrically operated valve 1-10 opened, and when heating system 1 stopped heating work, electrically operated valve 1-10 closed; The operating frequency that recirculation blower 1-9 opens when heating system 1 is carried out heating work is 50Hz, and the operating frequency of recirculation blower 1-9 is 20~40Hz when heating system 1 stops heating work, is set and is controlled by digital control system 6 entirely.
As shown in Figure 3, described work system 2 comprises furnace shell 2-1 and the furnace wall 2-2 that is made by the furnace lining high temperature material, and described furnace shell 2-1 is wrapped in the outside of furnace wall 2-2, and furnace wall 2-2 goes up horizontal direction and evenly is furnished with three thermocouple temperature measuring apparatus 2-6; Burner hearth upper front end and bottom are respectively equipped with the 2-3 of air guiding chamber and second time 2-10 of air guiding chamber on second; On second on first of the 2-3 of air guiding chamber and heating system 1 1-8 of air guiding chamber be communicated with, second time the 2-10 of air guiding chamber is communicated with first time 1-11 of air guiding chamber of heating system 1, the bottom of burner hearth is provided with air flow guiding device 2-8 and supporting-point roller track 2-4; Described air flow guiding device 2-8 is communicated with second time 2-10 of air guiding chamber.Shown in Fig. 4,5, furnace shell 2-1 is provided with the inflation relief pipeline 2-5 that is communicated with burner hearth, and the front end both sides are respectively equipped with two cooling duct 2-7 that are communicated with the cooling wind-guiding chamber; The tail end of furnace shell 2-1 is connected with fire door 2-9 by fire door locking latches 2-11; The quantity of air flow guiding device 2-8 is three.
On second on the 2-3 of air guiding chamber and first 1-8 of air guiding chamber be communicated with, second time the 2-10 of air guiding chamber is communicated with first time 1-11 of air guiding chamber, and the gas circulation flow process in the heating system 1 is: in the first time 1-11 of the air guiding chamber → second time 2-10 of air guiding chamber → guiding device 2-8 → work system 2 burner hearth → second on the 2-3 of air guiding chamber → first in air guiding chamber's 1-8 → heating system 1 burner hearth; Heating is directly implemented to bare copper conductor in the inside that work system 2 was shunted and be evenly distributed to the gas that is flowed in work system 2 burner hearths by air flow guiding device 2-8.Three thermocouple temperature measuring apparatus 2-6 effect is that the temperature in the work system 2 is implemented monitoring, and its signal feedback is given digital control system 6, and digital control system 6 is implemented control by PLC touch-screen control device to the Heating temperature and the time of heating system 1 inside.The open and close of fire door 2-9 is by driven by motor, and after fire door 2-9 closed, fire door locking latches 2-11 pushed down fire door 2-9, and when fire door 2-9 opened, fire door locking latches 2-11 also opened accordingly; Haveing suffered control process finishes by digital control system 6.
As shown in Figure 6, described cooling recirculation system 3 comprises recirculation blower 3-1, and the import of described recirculation blower 3-1 and outlet are communicated with two cooling duct 2-7 of work system 2 by pipeline respectively; Be equipped with a magnetic valve 3-4 on the import of described recirculation blower 3-1 and outlet and the pipeline that two cooling duct 2-7 of work system 2 are communicated with.Shown in Fig. 7,8, the pipeline that the outlet of recirculation blower 3-1 is communicated with cooling duct 2-7 is provided with an air compartment 3-3, is provided with water cooler 3-2 in the air compartment 3-3, and the import of water cooler 3-2 and outlet are respectively equipped with inlet channel 3-5 and outlet conduit 3-6.The water cooler 3-2 of air compartment 3-3 inside, its effect is by recirculated water the heat of hot gas to be taken away, and implements cold and hot exchange.
When digital control system 6 gives magnetic valve 3-4 that signal makes cooling recirculation system 3 and closes; recirculation blower 1-9 starts working; shielding gas is flowed into work system 2 by heating system 1 by first time 1-11 of air guiding chamber and second time 2-10 of air guiding chamber; gas in the work system 2 flows to heating system 1 by the 1-8 of air guiding chamber on the 2-3 of air guiding chamber and first on second; shielding gas is circulated between heating system 1 and work system 2, cold and hot exchange is carried out in the inside of work system 2.
When needs heat, digital control system 6 gives signal makes heating system 1 carry out heating work, under the situation that simultaneously electrically operated valve 1-10 opens, magnetic valve 3-4 closes, recirculation blower 1-9 is (being that electric machine frequency is 50Hz) work at full capacity, to the intensification that circulates of the hot gas of work system 2 inside.
When needs are lowered the temperature, digital control system 6 gives signal makes heating system 1 stop heating work, under the situation that simultaneously electrically operated valve 1-10 closes, magnetic valve 3-4 opens, recirculation blower 3-1 is (being that electric machine frequency is 50Hz) work at full capacity, to the cooling that circulates of the hot gas of work system 2 inside.Wherein recirculation blower 3-1 adopts motor, frequency transformer to implement speed control by frequency variation ,Its frequency is 20~40Hz.
As shown in Figure 9, described vacuumize and blowdown system 5 comprises a pump-line 5-8 who is communicated with the inflation relief pipeline 2-5 of work system 2, the upper end of pump-line 5-8 is connected with gas exhaust duct 5-9, and gas exhaust duct 5-9 is provided with exhaust solenoid valve 5-3, manual exhaust valve 5-4 and digital vacuum pressure gauge 5-1; The lower end of pump-line 5-8 is provided with the magnetic valve 5-5 that bleeds, pump-line 5-8 goes up inflation relief pipeline 2-5 and bleeds and is communicated with a gas pipe line 5-10 between the magnetic valve 5-5, and gas pipe line 5-10 is provided with gas transmission magnetic valve 5-7, manual gas valve 5-6 and pointer vacuum pressure gauge 5-2.
Working range-0.1MPa of described digital vacuum pressure gauge 5-1~+ 0.1MPa; Digital vacuum pressure gauge 5-1 is connected with digital control system 6, and significant feature is the scope of the internal work pressure of control work system 2 in regulation.Described pointer vacuum pressure gauge 5-2 mainly plays monitoring; Described pump-line 5-8 lower end is connected with vaccum pump unit; Manual exhaust valve 5-4, manual gas valve 5-6 implement artificial switching under special circumstances.
Described material transport system 4 is provided with near the fire door 2-9 of work system 2, as shown in figure 10, described material transport system comprises guiding track 4-3 and is installed in materials vehicle 4-1 on the guiding track, described guiding track 4-3 is perpendicular to the guide direction setting of the supporting-point roller track 2-4 of work system 2 burner hearth bottoms, described materials vehicle 4-1 is provided with the second supporting-point roller track 4-4 and hydraulic pressure push-pull rod 4-5, as Figure 11, shown in 12, the guide direction of the second supporting-point roller track 4-4 and hydraulic pressure push-pull rod 4-5 axis are all perpendicular to the guide direction of guiding track 4-3, the second supporting-point roller track 4-4 is provided with mobile bracing frame 4-2, and the flexible end of hydraulic pressure push-pull rod 4-5 is connected with mobile bracing frame 4-2.
It is that the iron pan that bare copper conductor is housed is put thereon that described mobile bracing frame 4-2 mainly acts on, integral body moves to the inside of work system 2, bare copper conductor is implemented softening annealing, after finishing, annealing moves out, accepting does not once more have the annealed bare copper conductor, and the mobile of mobile bracing frame 4-2 moves on supporting-point roller track 4-4.Described guiding track 4-3 two ends are equipped with spacing electric control gear, can not move to preposition to prevent materials vehicle 4-1.It is will support mobile bracing frame 4-2 with roll mode it moves forward and backward that the described second supporting-point roller track 4-4 mainly acts on; On the second supporting-point roller track 4-4 support, spacing electric control gear is installed, can not moves to preposition to prevent hydraulic pressure push-pull rod 4-5.
As shown in figure 13, hydraulic pressure push-pull rod 4-5 comprises two joint push-pull rod 4-5-1, and the end of push-pull rod 4-5-1 is equipped with rotatable push pedal 4-5-2; Push-pull rod 4-5-1 goes up and pushes and plugs pin-and-hole 4-5-3 and post-tensioning pin hole 4-5-4 before push pedal 4-5-2 both sides are respectively equipped with; When pushing ahead, its latch inserts and pushes and plugs in the pin-and-hole 4-5-3, if its latch then inserts in the post-tensioning pin hole 4-5-4 when pulling back.
Described digital control system 6 comprises heating system temperature control unit, work system temperature control unit, temperature recording unit, PLC touch-screen control device and determination of oxygen content display unit; Described heating system temperature control unit, work system temperature control unit are connected with PLC touch-screen control device respectively.Wherein the heating system temperature control unit is connected with three vacuum temperature measuring equipment 1-7 of heating system 1, the three sections temperature of upper, middle and lower that show heating system 1 inside, and pass through PLC touch-screen control device with the temperature at middle part the Heating temperature and the time of heating system 1 inside are implemented control.
The work system temperature control unit is connected with three thermocouple temperature measuring apparatus 2-6 of work system 2, shows the three sections temperature of horizontal direction in the work system 2, and its signal is to be come by thermocouple temperature measuring apparatus 2-6 input, feeds back to PLC touch-screen control device simultaneously.
Temperature recording unit is to implement record as the whole process of heating, cooling and corresponding time, adopts the curve distribution of temperature, time, three parameters of pressure.On its device USB interface is installed, regularly carries out the collection of data.
The PLC touch-screen control device of digital control system 6 is to the electrothermal radiation tube 1-6 of heating system 1 control, with the Heating temperature that reaches control heating system 1 inside and the purpose of time.The PLC touch-screen control device of digital control system 6 is connected with digital vacuum pressure gauge 5-1, and it is controlled, with the internal work pressure that reaches control work system 2 in the purpose of specialized range.The PLC touch-screen control device of digital control system 6 and exhaust solenoid valve 5-3, bleed magnetic valve 5-5 and gas transmission magnetic valve 5-7 are connected, and the switching of control exhaust solenoid valve 5-3, bleed magnetic valve 5-5 and gas transmission magnetic valve 5-7.
Wherein the determination of oxygen content display unit is connected with work system 2, and whether the oxygen level of monitoring work system 2 inside reaches specified requirement.
Except that material transport system 4, digital control system 6, the inside of all the other four systemses is to keep sealing among the present invention, and oxygen can not enter when guaranteeing whole work, avoids the oxidation of bare copper conductor.Bare copper conductor shortens to and to have only about 12 hours from being annealed to cooling in the whole cycle.

Claims (9)

1. a digital control type micro pressure gas cold cycling annealing furnace is characterized in that: comprise heating system, work system, cooling recirculation system, vacuumize and blowdown system and digital control system;
Described heating system comprises furnace shell, bell and the furnace wall of being made by the furnace lining high temperature material, and described furnace shell is wrapped in the furnace wall OutwardOn the side, the furnace cover lifting swivel arrangement is installed on the furnace shell, the upper end of furnace cover lifting swivel arrangement is connected with bell, and furnace shell and bell are tightly connected, and adopts bolt and nut to compress; Vertical direction is all established and is furnished with a plurality of vacuum temperature measuring equipments on the furnace wall, is provided with electrothermal radiation tube in the burner hearth, the top of furnace wall and bottom be respectively equipped be communicated with burner hearth first on air guiding chamber and first time air guiding chamber, be provided with a recirculation blower in first time air guiding chamber;
Described work system comprises furnace shell and the furnace wall of being made by the furnace lining high temperature material, and described furnace shell is wrapped in the outside of furnace wall, and furnace shell is provided with the inflation relief pipeline that is communicated with burner hearth; The tail end of furnace shell is connected with fire door by the fire door locking latches; Horizontal direction evenly is furnished with a plurality of thermocouple temperature measuring apparatus on the furnace wall; Burner hearth upper front end and bottom are respectively equipped with air guiding chamber and second time air guiding chamber on second, and both sides are respectively equipped with the cooling wind-guiding chamber that is communicated with two cooling ducts on the furnace shell; Air guiding chamber is communicated with air guiding chamber on first on second, and second time air guiding chamber is communicated with first time air guiding chamber, and the bottom of burner hearth is provided with air flow guiding device and supporting-point roller track; Described air flow guiding device is communicated with second time air guiding chamber;
Described cooling recirculation system comprises recirculation blower, the import of described recirculation blower and outlet are communicated with two cooling ducts of work system by pipeline respectively, the pipeline that the outlet of recirculation blower is communicated with cooling duct is provided with an air compartment, be provided with water cooler in the air compartment, the import of water cooler and outlet are respectively equipped with inlet channel and outlet conduit;
Described vacuumize and blowdown system comprise one with the pump-line that is communicated with of inflation relief pipeline, the upper end of pump-line is connected with gas exhaust duct, gas exhaust duct is provided with exhaust solenoid valve and manual exhaust valve; The lower end of pump-line is provided with the magnetic valve of bleeding, and inflation relief pipeline and bleed and be communicated with a gas pipe line between the magnetic valve on the pump-line, gas pipe line are provided with gas transmission magnetic valve and manual gas valve;
Described digital control system comprises heating system temperature control unit, work system temperature control unit and PLC touch-screen control device, and described heating system temperature control unit, work system temperature control unit are connected with PLC touch-screen control device respectively; Described heating system temperature control unit is connected with a plurality of vacuum temperature measuring equipments of heating system; Described work system temperature control unit is connected with a plurality of thermocouple temperature measuring apparatus of work system; The PLC touch-screen control device of described digital control system is respectively with the electrothermal radiation tube of heating system and vacuumize and digital vacuum pressure gauge, the exhaust solenoid valve of blowdown system, bleed magnetic valve and gas transmission magnetic valve are connected.
2. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1, it is characterized in that: also comprise material transport system, material transport system is near the fire door setting of work system, described material transport system comprises guiding track and is installed in materials vehicle on the guiding track, described guiding track is perpendicular to the rail-guided direction setting of the supporting-point roller of work system burner hearth bottom, described materials vehicle is provided with the second supporting-point roller track and hydraulic pressure push-pull rod, the guide direction of the second supporting-point roller track and hydraulic pressure push-pull rod axis are all perpendicular to the guide direction of guiding track, the second supporting-point roller track is provided with mobile bracing frame, and the flexible end of hydraulic pressure push-pull rod is connected with mobile bracing frame.
3. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1 is characterized in that: be tightly connected by sealing-ring and watercooling jacket between described furnace shell and the bell.
4. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1 is characterized in that: be equipped with an electrically operated valve in air guiding chamber and first time air guiding chamber on described first.
5. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1 is characterized in that: described vacuumize and the gas exhaust duct of blowdown system is provided with a digital vacuum pressure gauge, described gas pipe line is provided with a pointer vacuum pressure gauge.
6. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1, it is characterized in that: described digital control system also comprises temperature recording unit and determination of oxygen content display unit; Described temperature recording unit is provided with USB interface, and the determination of oxygen content display unit is connected with work system.
7. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1 is characterized in that: be equipped with a magnetic valve on the import of recirculation blower and outlet and the pipeline that two cooling ducts of work system are communicated with.
8. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1 is characterized in that: the material of the furnace shell of described heating system is the thick stainless steel plate of 10 ~ 20mm.
9. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 2 is characterized in that: described hydraulic pressure push-pull rod comprises two joint push-pull rods, and an end of push-pull rod is equipped with rotatable push pedal; Push and plug pin-and-hole and post-tensioning pin hole before the push pedal both sides are respectively equipped with on the push-pull rod.
CN201310179825.XA 2013-05-15 2013-05-15 Numerical control type micro-pressure gas cold-heat circulating annealing furnace Active CN103225012B (en)

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CN103725843A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Operation monitored vacuum furnace
CN103725847A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Anticorrosive pollution-discharge liquid-purification observation operation-monitoring three-chamber vacuum furnace
CN103725841A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Anticorrosive pollution-discharge dry-purification operation-monitoring three-chamber vacuum furnace
CN103725838A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Automatic-opening/closing three-chamber vacuum furnace
CN103725844A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Anticorrosive pollution-discharge spray-purification operation-monitoring three-chamber vacuum furnace
CN103725851A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Anticorrosive pollution-discharge liquid-purification operation-monitoring three-chamber vacuum furnace
CN103882215A (en) * 2014-03-04 2014-06-25 安徽海纳电缆集团有限公司 Automatic case-opening process for annealing of wires and cables
CN104129605A (en) * 2014-08-06 2014-11-05 湖南新新线缆有限公司 Material shelf pushing and pulling device for cable annealing
CN104451119A (en) * 2014-10-27 2015-03-25 山东钢铁股份有限公司 Temperature control system and method of gas car-bottom heat treating furnace
CN106048154A (en) * 2016-07-13 2016-10-26 浙江晨光电缆股份有限公司 Copper material annealing furnace
CN106048184A (en) * 2016-07-13 2016-10-26 浙江晨光电缆股份有限公司 Double-chamber vacuum copper annealing furnace
CN107236850A (en) * 2017-08-09 2017-10-10 莆田市城厢区星华电子模具有限公司 A kind of band aids in the quenching unit of discharging structure
CN114737029A (en) * 2022-04-21 2022-07-12 苏州热传道集成电路科技有限公司 Annealing furnace system capable of rapidly heating
CN116751958A (en) * 2023-08-24 2023-09-15 河南大成包装材料有限公司 Wire annealing furnace with uniform heating
CN118406863A (en) * 2024-07-04 2024-07-30 蓬莱市超硬复合材料有限公司 Annealing furnace structure for hard alloy production

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CN2183230Y (en) * 1994-03-15 1994-11-23 袁鸿 Rotary feeding apparatus
CN2183347Y (en) * 1994-03-15 1994-11-23 袁鸿 Parallel feeding device
CN2282673Y (en) * 1996-11-24 1998-05-27 夏立德 Pit resistance furnace
CN101397646A (en) * 2007-09-30 2009-04-01 天津市天瑞硬化工程有限公司 Muffleless can-type gas nitriding furnace
CN201187875Y (en) * 2008-01-17 2009-01-28 范建平 High-purity gas heating furnace
CN201362739Y (en) * 2009-02-21 2009-12-16 奉化市光亮热处理电炉有限公司 Metallic titanium coiled material vacuum thermal treatment furnace
CN202017036U (en) * 2011-03-23 2011-10-26 金川集团有限公司 Jet-flow cooling device for copper and copper alloy bright annealing furnace
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Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103725844B (en) * 2013-12-25 2015-08-19 苏州市万泰真空炉研究所有限公司 A kind of Anticorrosive pollution-discharge spray-purification policer operation three Room vacuum oven
CN103725847A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Anticorrosive pollution-discharge liquid-purification observation operation-monitoring three-chamber vacuum furnace
CN103725841A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Anticorrosive pollution-discharge dry-purification operation-monitoring three-chamber vacuum furnace
CN103725838A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Automatic-opening/closing three-chamber vacuum furnace
CN103725844A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Anticorrosive pollution-discharge spray-purification operation-monitoring three-chamber vacuum furnace
CN103725851A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Anticorrosive pollution-discharge liquid-purification operation-monitoring three-chamber vacuum furnace
CN103725841B (en) * 2013-12-25 2015-08-19 苏州市万泰真空炉研究所有限公司 A kind of Anticorrosive pollution-discharge dry purification policer operation three Room vacuum oven
CN103725846B (en) * 2013-12-25 2015-08-19 苏州市万泰真空炉研究所有限公司 A kind of purification from keying protection against corrosion pouring formula observes monitoring three Room vacuum oven
CN103725847B (en) * 2013-12-25 2015-12-30 苏州市万泰真空炉研究所有限公司 A kind of Anticorrosive pollution-discharge liquid-purification observation policer operation three Room vacuum oven
CN103725843A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Operation monitored vacuum furnace
CN103725846A (en) * 2013-12-25 2014-04-16 苏州市万泰真空炉研究所有限公司 Automatic-opening/closing anticorrosive spray-purification observation monitoring three-chamber vacuum furnace
CN103882215A (en) * 2014-03-04 2014-06-25 安徽海纳电缆集团有限公司 Automatic case-opening process for annealing of wires and cables
CN104129605A (en) * 2014-08-06 2014-11-05 湖南新新线缆有限公司 Material shelf pushing and pulling device for cable annealing
CN104451119A (en) * 2014-10-27 2015-03-25 山东钢铁股份有限公司 Temperature control system and method of gas car-bottom heat treating furnace
CN106048154A (en) * 2016-07-13 2016-10-26 浙江晨光电缆股份有限公司 Copper material annealing furnace
CN106048184A (en) * 2016-07-13 2016-10-26 浙江晨光电缆股份有限公司 Double-chamber vacuum copper annealing furnace
CN107236850A (en) * 2017-08-09 2017-10-10 莆田市城厢区星华电子模具有限公司 A kind of band aids in the quenching unit of discharging structure
CN114737029A (en) * 2022-04-21 2022-07-12 苏州热传道集成电路科技有限公司 Annealing furnace system capable of rapidly heating
CN114737029B (en) * 2022-04-21 2024-05-03 苏州热传道集成电路科技有限公司 Annealing furnace system capable of heating rapidly
CN116751958A (en) * 2023-08-24 2023-09-15 河南大成包装材料有限公司 Wire annealing furnace with uniform heating
CN116751958B (en) * 2023-08-24 2023-11-07 河南大成包装材料有限公司 Wire annealing furnace with uniform heating
CN118406863A (en) * 2024-07-04 2024-07-30 蓬莱市超硬复合材料有限公司 Annealing furnace structure for hard alloy production
CN118406863B (en) * 2024-07-04 2024-08-27 蓬莱市超硬复合材料有限公司 Annealing furnace structure for hard alloy production

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