CN201086166Y - Discontinuous mode gas protecting brazier - Google Patents
Discontinuous mode gas protecting brazier Download PDFInfo
- Publication number
- CN201086166Y CN201086166Y CNU2007200366704U CN200720036670U CN201086166Y CN 201086166 Y CN201086166 Y CN 201086166Y CN U2007200366704 U CNU2007200366704 U CN U2007200366704U CN 200720036670 U CN200720036670 U CN 200720036670U CN 201086166 Y CN201086166 Y CN 201086166Y
- Authority
- CN
- China
- Prior art keywords
- district
- heating
- region
- preheating
- soldering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses an intermittent gas shielded brazing furnace, including a feeding region, a heating drying region, a preheating purification region, a heating brazing region, a cooling region, a discharge region and a transmission belt; an inert gas inlet is provided in the preheating purification region, an internal heating circulating fan which allows the inert gas after the preheating of the preheating purification region to enter the heating brazing region is arranged in the heating brazing region; the heating drying region which is arranged with a heating device at the interior conveys a work piece which is carried out the pretreatment and is conveyed from the feeding region to the preheating purification region for processing after the heating drying, the brazing is carried out in the heating brazing region, the cooling region conveys the work piece which is conveyed from the heating brazing region to the discharge region after the cooling; the retention times of the work piece in all the regions are adjusted by the transmission belt and are determined by the needed time in the heating brazing region. The utility model has strong flexibility and can meet the processing requirements of different specifications and the types, the adjustment of the brazing parameters of all the regions are convenient, the temperature dynamic reaction is fast, and the application range of the processing of the work piece is broad.
Description
One, technical field
The utility model relates to a kind of soldering oven that each parts such as aluminium heater are effectively connected, specifically a kind of intermittent type gas protecting soldering furnace.
Two, background technology
Aluminum brazing furnace is a kind of equipment that each parts of aluminium heater are effectively connected.Be that this characteristic of utilizing the alloy melting point of almit AL-Si to be lower than components A l metal material fusing point is welded.Solder places near the solder side that needs connecting portion or the inside usually; between parts and solder side, reach the surface and scribble the NOCOLOK aluminum brazing flux; after drying is installed; parts are heated to the brazing alloy fusion and the infusible temperature of parts metal under the protection of certain inert gas atmosphere; the NOCOLOK aluminum brazing flux is broken the oxide-film of aluminium simultaneously; allow its motlten metal and do not carry out diffusion into the surface between the deposite metal, after the cooling, braze metal will with the parts contact-making surface between form metal and combine.
Existing soldering oven adopts continous way mostly, the soldering oven installation capacitance of this version is big, and startup work is slow, generally wants tens hours, the temperature dynamic reaction is slow, need more than one hour even several hrs, be applicable to the processing of carrying out workpiece in enormous quantities, but also there is following shortcoming in it: very flexible, workpiece to different size and kind then is difficult to meet the demands, when changing specification of workpieces and kind, big to the adjustment difficulty of each parameter, the consumption of adjustment cycle long material is many; Particularly the solder brazing to copper workpiece is processed with difficulty.
Three, summary of the invention
In order to address the above problem; the purpose of this invention is to provide a kind of intermittent type gas protecting soldering furnace; this intermittent type gas protecting soldering furnace technological operation flexibility is strong; can satisfy the workpiece processing request of different size and kind; easy to adjust to each regional brazing process variables, also can carry out the solder brazing operation of copper workpiece.It is little that it also has the installation capacitance: 2/5 capacitance of having only continuous oven; Startup work is fast: blow-on got final product work in two hours; The temperature dynamic reaction is fast: only need a few minutes.
The purpose of this utility model is achieved through the following technical solutions:
A kind of intermittent type gas protecting soldering furnace comprises part district, heat drying district, preheating purifying area, heating soldering district, cooling zone, following part district and driving-belt; The arrival end in heating soldering district is connected with last district with the heat drying district by the preheating purifying area successively; The port of export in heating soldering district is connected with following part district by the cooling zone; It is characterized in that: be provided with the protective gas import at the preheating purifying area, be provided with the interior thermal circulation fan that the gas after the preheating of preheating purifying area evenly is blown into the heating soldering district in the heating soldering district; The heat drying district that inside is provided with heater will handle by sending the preheating purifying area behind the pretreated workpiece heat drying of the process that last district sends to, and carry out soldering in the heating soldering district, send down the part district to after the work-piece cools that the cooling zone sends the heating soldering district; The time of staying of workpiece in each zone be by the driving-belt adjustment, and definite automatically by process time program in the heating soldering district.
In the utility model,, because the use cost of some inert gas is higher, and use the cost of nitrogen relatively low, thereby protective gas adopt nitrogen because protective gas can be that inert gas also can be a nitrogen.
In the utility model, spray pretreated workpiece process last district, at first enter the heat drying district through degreasing, solder flux.For making the abundant heat drying of workpiece energy in the heat drying district, be provided with in the heat drying district and make cyclic drying blower fan and the dry exhaust mouth that produces the negative pressure that makes progress in the heat drying district.Circulating current upwards can stop the wet soldering flux on the workpiece to drip downwards, guarantees brazing quality, also is convenient to by gas outlet, top hydrofuge.Move and prevent that for ease of workpiece is mobile heat runs off, be provided with the metal curtain in the both sides in heat drying district.
In the utility model; for saving the heat time heating time of protective gas in the heating soldering district; guarantee the temperature requirement of protective gas in the heating soldering district; the protective gas that enters the heating soldering district is preheated in the preheating purifying area; thereby in the preheating purifying area, being provided with the resistive band heater that protective gas is carried out preheating, the protective gas after the preheating communicates with the interior thermal circulation fan wind chamber in heating soldering district by pipeline.
Be provided with pneumatic fire door at preheating purifying area and heating soldering interval, the hot inert gas when workpiece enters the heating soldering district by pneumatic fire door in the heating soldering district enters preheating purifying area and heat drying district by pneumatic fire door slit and workpiece preheating and dry back is discharged by the dry exhaust mouth.
For guaranteeing to have even temperature field and protective gas atmosphere in the heating soldering district, the heating soldering district punishes into different temperature-controlled areas by charging aperture place to discharging opening, in each temperature-controlled area, be provided with interior thermal circulation fan, temperature sensor and and temperature controller; Temperature controller compares the temperature sensor data that receive and the parameter of setting, and the electric heater in each temperature-controlled area is controlled.During operation, can control, realize the purpose of homogeneous temperature field according to the internal thermal circulation fan of the data that temperature sensor records.Usually whole heating soldering can be distinguished into two brazing areas, i.e. soldering one district and soldering two districts are provided with an interior thermal circulation fan and one or two temperature sensor respectively in each district, can meet the demands.
Be provided with at the top in heating soldering district and be used for reducing the hang spring of coefficient of thermal expansion and contraction to the soldering oven influence, an end that hangs spring is fixed on the burner hearth, and another pulley end is arranged on the fixing slideway in the furnace roof outside and regulates and shift the burner hearth gravity station to sliding way.When variations in temperature, burner hearth produces big contractility, can make burner hearth gravity contact point produce destructive frictional force, at this moment, hang and just the burner hearth gravity station is transferred on the pulley of sliding way after spring is installed, burner hearth can automatically produce be free to slide adjustment, and adjustment is transferred to the cylinder automatic carriage device in the brazing area outside, is unlikely to damage body of heater.
Reach quick, uniform heating purpose in the heating soldering district for making, establish tubular electric heating, be provided with movably heating cabinet in the lower furnace outside in heating soldering district on the top in heating soldering district.When workpiece turnover heating soldering district; can cause the loss of protective gas; for guaranteeing protective gas gas concentration in the heating soldering district, the two ends of the present invention in the heating soldering district are provided with protective gas air curtain of opening automatically and the protective gas increment compensation arrangement of working automatically.
In the heating soldering district,, be positioned at the workpiece top and be provided with orifice plate for making temperature and protective gas atmosphere even.The protective gas of heat heats workpiece by orifice plate and implements gas shield.
The cooling zone is divided into water cooling chamber and air-cooling chamber, and water cooling chamber is connected with the heating soldering district, and water cooling chamber is tubular exchanger and the stirring blower fan that is constituted and be provided with the raising cooling effectiveness by water jacket.Water cooling must be worked under atmosphere protection, and therefore, he has independent, the automatic protective gas work system of a cover.
Intermittent type gas protecting soldering furnace described in the utility model can adopt identical workpiece pre-treating technology with the continous way aluminum brazing furnace.The quality of workpiece crudy is mainly determined by the technological parameter in the heating soldering district, in the utility model, at first determine technological parameter in the heating soldering district according to the processing request of different workpieces, determine the parameter that other are regional by the technological parameter in the heating soldering district again, and bring the time that workpiece rests on respective regions of adjusting by the control transmission automatically.Particularly along with the growth requirement of radiator industry, the utility model is in design process, the lifting of capacity of equipment after fully taking into account makes it have adjustable heating-cooling curve and more motor-driven operating structure form, can adapt to the operation of the solder brazing of copper radiator simultaneously.Compared with prior art, the utility model flexibility is strong, can satisfy the workpiece processing request of different size and kind, and is easy to adjust to each regional brazing process variables, and the temperature dynamic reaction is fast, and workpiece processed and applied scope is wide.The utility model is specially adapted to bigger workpiece soldering.And the utlity model has characteristics such as energy consumption is low, easy and simple to handle, easy care.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a vertical view of the present utility model;
Fig. 3 is the structural representation in heating soldering district in the utility model.
Five, the specific embodiment
A kind of intermittent type gas protecting soldering furnace described in the utility model, protective gas adopts nitrogen.It comprises part district 1, heat drying district 2, preheating purifying area 3, heating soldering district 4, cooling zone 5, following part district 6 and driving-belt 7; The arrival end in heating soldering district 4 is connected with last district 1 with heat drying district 2 by preheating purifying area 3 successively; The port of export in heating soldering district 4 is connected with following part district 6 with the air-cooled district of normal temperature by the water cooling district 5 of atmosphere protection; Workpiece 8 is transmitted by driving-belt 7.Be provided with preheating nitrogen inlet 31 and purify compensation nitrogen device at preheating purifying area 3, be provided with the interior thermal circulation fan 41 that the nitrogen after 4 preheatings of preheating purifying area evenly is blown into heating soldering district 4 in heating soldering district 4.The heat drying district 2 that is provided with heater will send preheating purifying area 3 to by last the pretreated workpiece 8 of district's 1 process that sends and handle behind heat drying, and 4 carry out soldering in the heating soldering district, cooling zone 5 is divided into water cooling chamber 51 and air-cooling chamber 52, sends down part district 6 to after the workpiece 8 that cooling zone 5 sends heating soldering district 4 cools off; The time of staying of workpiece 8 in each zone adjusted by driving-belt 7
And by definite automatically adjustment of required process time in the heating soldering district 4.
The key technical indexes and the parameter of present embodiment are as follows:
1, appearance and size: long by 16500 * wide by 2400 * high by 2400
2, braze chamber sectional dimension: wide by 1200 * high by 350
3, maximum input space cross section: wide by 1050 * high by 250
4, electric power is equipped with: 250kw 380V 50Hz
1. power: 10kw
2. dry heat section: 60kw
3. purify preheating section: 60kw
4. heating soldering section: 120kw
5, temperature range:
1. dry heat section: 150～250 ℃, 300 ℃ of max
2. purify preheating section: 300～450 ℃, 500 ℃ of max
3. heating soldering section: 580～650 ℃, 700 ℃ of max
6, soldering section temperature control deviation :≤5 ℃
7, preheating time: 〉=120min first
8, workpiece transmission speed: 1000-2000mm/min (frequency control, reference value)
9, the kind of drive: the transmission of chain belt counting, pitch: 76.2mm (3 inches)
10, working method: cycle (intermittently) formula transmission: (5 ~ 35 ℃ of operating ambient temperatures)
11, cycle time scope: 5～35min/ time (by the actual process requirement)
12, beat distance: 2450mm
13, nitrogen consumption: 50～80m
3/ h (supply gas pressure: 0.1～0.2MPa constant voltage)
Nitrogen requires: purity:＞99.999%; Dew point :-62 ℃
14, cooling-water consumption: 4～8m
3/ h (demineralized water, 10～25 ℃ of water temperatures.The user can provide cooling back installation for oneself,
Water quality requirement can be with reference to the GB10067.1-88 standard.)
15, compressed air: 0.6～0.8MPa
During operation, at first by the operation requirement, check whether water, electric each road is normal, the technology brazing temperature that the soldering oven preheating reached more than 600 ℃ in about 120 minutes heats up and simultaneously the inflated with nitrogen system is opened work to oxygen content and be lower than below the 50ppm.About 20～30 minutes of hothouse work is to reach 150～200 ℃ of technology baking temperatures.
Then carry out following operation:
1, go up the part district:
The workpiece (present embodiment is a radiator core body) that will assemble by technological requirement through brazing flux spray and the unnecessary band water solder flux of high-pressure blast blowing, then, moves into workpiece the last part district of soldering oven again.
2, heat drying district:
Inside, heat drying district is made up of hot air circulation temperature control heating system.Tubular electric heating and interior circulating fan, digital temperature controller, solid-state relay (or temperature control module) are formed chain heating control system.Exhaust outlet is equipped with in the hothouse upper end, links to each other with external exhaust blower pipeline.Brazing flux dust collection dish is equipped with in the hothouse bottom, can dismantle from the side, regularly removes indoor rubbish.Arrival end dress metal curtain, the workpiece height limiter is equipped with in the outside, suddenly stops with transmission, the warning continuous operation; The port of export and clean room join, can be with the recycling once more back of the nitrogen that the clean room discharges outside steam is discharged hothouse.
Workpiece in the material loading section through the timing automatic hothouse that moves to, and rest on hothouse and carry out heat drying, make moisture on the workpiece become steam and discharge outdoorly through circulating fan and exhaust outlet, and workpiece is heated to more than 180 ℃, tentatively finish dry run this moment.
3, preheating purifying area:
Preheating purifying area ectonexine is the stainless steel manufacturing, and two cover temperature controllers are controlled the not two outer temperature of overlapping radiant heaters of chamber of horse respectively, and the outside is provided with heat-insulation layer, and skeleton is a formed steel construction.Cross over the two ends of workpiece, in the metal curtain is housed, the port of export is equipped with pneumatic door, can be according to service requirement adjustment and automatic shutter, inlet links to each other with hothouse, the flow of warm nitrogen gas drying chamber of discharging behind the purification utilization can be utilized once more.When workpiece was parked in therebetween, the inflated with nitrogen regulated device that is provided with in the clean room and the flow of warm nitrogen gas of utilizing the soldering section to discharge purified workpiece, to improve the utilization rate of thermal power transfer and nitrogen.
After workpiece enters the preheating purifying area from the heat drying district, will be incubated intensification further and utilize the flow of warm nitrogen gas of discharging in the heating soldering district to carry out drying and purify to reach the purpose of attenuating oxygen content.Local area also is provided with auxiliary nitrogen and regulates inlet, to guarantee depuration quality.
4, heating soldering district:
The working chamber in heating soldering district be by airtight double-deck horse not in hall and two the electrical heating districts and two interior circulating fans constitute, the burner hearth two ends are provided with pneumatic door, can be according to the gap and the automatic shutter state of service requirement adjustment inlet.Structure is the heat-resistance stainless steel manufacturing entirely, the about 400mm of insulation layer thickness, maximum operating temperature reaches 700 ℃, for the ease of safeguarding and improve the thermal efficiency that top adopts the built-in high-temperature electric heat rod of insertion to heat temperature adjustment, is divided into two temperature-controlled areas, suitably be arranged in the top of driving-belt and workpiece, two groups of radiant type electric heaters are equipped with in the below in the body of heater outside, and by the chain control of two cover temperature control assemblies, make it to utilize better electric heater that the direct radiation of workpiece added thermal effect and temperature control performance.In the process of inflated with nitrogen heating, adopted the interior thermal circulation fan of two low noises to carry out enforceable atmosphere heat convection, to improve the uniformity of each point temperature, atmosphere, its temperature control deviation is reduced.
The two-port of every electrical bar is equipped with the seal washer locking nut, to protect the nitrogen unfailing performance at work and the convenience of maintain and replace.
Two soldering residues removing mouths are equipped with in the braze chamber bottom, can dismantle from the side, regularly remove inner residue.
Brazing area nitrogen access to plant has adopted by after purifying the preheating chamber preheating, and thermal circulation fan mixes and enters furnace chamber in two low noises that reinject, not influence the temperature stability in the stove and the uniformity of atmosphere in the process that guarantees soldering.In the use of nitrogen by flowmeter, manually adjust valve, magnetic valve etc. and form flow observation, control system; By a cover sampling pump, little analysis of oxygen content instrument is formed the gas concentration detection system.Two system mutuals can be controlled quality technological requirement and best consumption gas production cost effectively.
Move into the workpiece in heating soldering district after being cleaned again, under the high pure nitrogen protection, heat up.After finishing the soldering program, workpiece will be admitted to the cooling zone and cool off.
5, water cooling chamber:
Water cooling chamber is made up of the double-layer stainless steel structure, and furnace chamber therefrom passes the formation cooling jacket, and the port of export is equipped with metal air curtain curtain and pneumatic door, can be according to the service requirement automatic shutter, and outer side of door is equipped with gas skirt (access gas exhaust piping).
Indoor by three the part form.First is: the water jacket compartment inwall leave standstill heat convection; Second one is: circulating fan and water-cooled pipe type heat exchanger combination in the water cooling chamber strengthens heat exchange; Third part is: cold nitrogen air curtain compensation atmosphere.Water cooling chamber forms the water supply and sewage road by a water inlet and an overfall.The characteristics of this structure are: improved the heat exchange effect, shortened cool time, the controllability of interior circulating fan and cooling water system can make temperature lowering curve become adjustable.When the workpiece operation is come out of the stove, when the nitrogen feed system can change nitrogen supply (NS) amount in the stove automatically and changes in the stove nitrogen pressure reduction, at first be that cold nitrogen air curtain is to workpiece air cooling, thereafter automatic time delay reduces nitrogen adjusting supply again, to guarantee the atmosphere requirement of workpiece in transmission and cooling procedure.Interior circulating fan can require omnidistance speed change according to the cooling of workpiece, regularly open and close, for the cooler environment of workpiece requires to provide motor-driven reliable operating condition.Workpiece is that the metallic walls of main carrier and water collar is carried out heat exchanging process with nitrogen atmosphere in the water cooling chamber, circulating fan makes it to improve heat exchanger effectiveness in being aided with, the crystallization of workpiece cooling solder is solidified, form soldered fitting, when workpiece temperature is reduced to below 300 ℃, just can enter into air and carry out air cooling.
6, air-cooling chamber:
Air-cooling chamber is indoor mainly to be to be constituted one-way gas flow and discharged outdoor by hair-dryer and exhaust blower.Process is that the workpiece that will cool off in atmosphere runs to and forces in the air to be cooled near environment temperature, and the heat, the waste gas that swap out are discharged the outdoor operation of being convenient to next procedure.
Air-cooling chamber utilizes fan airflow rapidly work-piece cools to be arrived near normal temperature in air workpiece.
7, following part district:
Workpiece runs to down part Duan Jinyi and also requires removal before next intermittent duty arrives near environment temperature (generally not being higher than 20 ℃ of environment temperatures), to meet the arrival of next workpiece.
In the utility model, the length in upper and lower workpiece district should be maximum workpiece enough open type working faces is provided, and is made up of self-loopa driving-belt, formed steel construction.In case after workpiece constantly progressively enters each active section successively, just enter into duty completely, constantly work down length by length according to the technological requirement that sets.
In the utility model, transmission device constitutes the synchronous operation mechanism of connecting by last workpiece, drying, preheating, soldering, water cooling section, two driving-belts of air-cooling chamber and following workpiece section, main drive is the reducing gear that threephase asynchronous machine and reductor are formed, and is moved by electrical control.Travel line speed can be set in 1000～2000mm/min scope, and can be set at equal speed change raising speed starting as required, to even speed change deceleration halted state.Can show the machine operation frequency as required, the operation actual linear velocity of driving-belt also can be set the operating system of motor overload (moment) guard mode.
In this example, pricker soldering body of heater has the variable quantity that expands with heat and contract with cold in various degree in the normal temperature state change procedure different with operating temperature, can influence some the position distortion of beat kinematic error and body of heater and hinder operate as normal.Therefore, be provided with and hang spring travelling carriage, power-assist cylinder travelling carriage, be used for eliminating the influence of expanding with heat and contract with cold.
In this example, dry section is by a digital temperature controller of cover and a temperature sensor, form chain control circuit with an interior thermal circulation fan and electric heater, caloric value that the adjustment of adopting instrument temperature PID pulse signal that solid-state relay is carried out the power on/off time width reaches the control electric heater is controlled equilibrium temperature.The heating soldering district forms chain control circuit by two cover digital temperature controllers and temperature sensors and two interior circulating fans and two district's electric heaters, control workpiece two ends adjustment respectively, adopt silicon-controlled voltage regulation module input instrument temperature PID4～20mA continuous signal to carry out the continuous electric flow of Regulation Control heater, reach the control stabilized operating temperature.
Be provided with warning system in this example: the upper and lower limit of each temperature control point temperature of soldering oven is reported to the police, hydraulic pressure and flow; Compressed air, nitrogen pressure are reported to the police; Little oxygen amount detection range is reported to the police, each road motor overload is reported to the police, and workpiece spacing alarm etc. can be by the regional location of control operation screen indication directly perceived alarm point.
Claims (6)
1. an intermittent type gas protecting soldering furnace comprises part district (1), heat drying district (2), preheating purifying area (3), heating soldering district (4), cooling zone (5), following part district (6) and driving chain (7); The arrival end in heating soldering district (4) is connected with last district (1) with heat drying district (2) by preheating purifying area (3) successively; The port of export in heating soldering district (4) is connected with following part district (6) by cooling zone (5); It is characterized in that: be provided with protective gas import (31) at preheating purifying area (3), be provided with the interior thermal circulation fan (41) that the gas after preheating purifying area (3) preheating is blown into heating soldering district (4) in heating soldering district (4); The heat drying district (2) that inside is provided with heater is connected with preheating purifying area (3).
2. intermittent type gas protecting soldering furnace according to claim 1 is characterized in that: be provided with in heat drying district (2) and make cyclic drying blower fan (21) and the dry exhaust mouth (22) that produces the negative pressure that makes progress in the heat drying district (2).
3. intermittent type gas protecting soldering furnace according to claim 1; it is characterized in that: be provided with the resistive band heater (32) that gas is carried out preheating in preheating purifying area (3), preheating purifying area (3) communicates with interior thermal circulation fan (41) the wind chamber of heating soldering district (4) by pipeline.
4. intermittent type gas protecting soldering furnace according to claim 1 is characterized in that: be provided with pneumatic fire door (42) between preheating purifying area (3) and heating soldering district (4).
5. intermittent type gas protecting soldering furnace according to claim 1; it is characterized in that: heating soldering district (4) punish into different temperature-controlled areas by charging aperture place to discharging opening, are provided with interior thermal circulation fan (41), temperature sensor (43) and and temperature controller in each temperature-controlled area.
6. intermittent type gas protecting soldering furnace according to claim 1 is characterized in that: be provided with at the top of heating soldering district (4) be used for reducing thermal coefficient of expansion to the soldering oven influence hang spring (44), the other end that hangs spring (44) is arranged on the fixing slideway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200366704U CN201086166Y (en) | 2007-04-09 | 2007-04-09 | Discontinuous mode gas protecting brazier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200366704U CN201086166Y (en) | 2007-04-09 | 2007-04-09 | Discontinuous mode gas protecting brazier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201086166Y true CN201086166Y (en) | 2008-07-16 |
Family
ID=39633755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200366704U Expired - Fee Related CN201086166Y (en) | 2007-04-09 | 2007-04-09 | Discontinuous mode gas protecting brazier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201086166Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728919A (en) * | 2012-07-03 | 2012-10-17 | 杨勇平 | Eutectic machine and eutectic method |
| CN102758152A (en) * | 2012-05-15 | 2012-10-31 | 盐城市康杰机械制造有限公司 | Aging oven of evaporator core |
| CN107378168A (en) * | 2017-08-21 | 2017-11-24 | 托普工业(江苏)有限公司 | A kind of stainless steel high temperature soldering oven |
| CN107530809A (en) * | 2015-02-04 | 2018-01-02 | 伊利诺斯工具制品有限公司 | Reflow soldering furnace with least one gas purge system containing catalyst elements |
| CN111618351A (en) * | 2020-05-27 | 2020-09-04 | 河南工学院 | Milling machine for processing workpiece easy to oxidize in air |
-
2007
- 2007-04-09 CN CNU2007200366704U patent/CN201086166Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758152A (en) * | 2012-05-15 | 2012-10-31 | 盐城市康杰机械制造有限公司 | Aging oven of evaporator core |
| CN102728919A (en) * | 2012-07-03 | 2012-10-17 | 杨勇平 | Eutectic machine and eutectic method |
| CN107530809A (en) * | 2015-02-04 | 2018-01-02 | 伊利诺斯工具制品有限公司 | Reflow soldering furnace with least one gas purge system containing catalyst elements |
| US10576567B2 (en) | 2015-02-04 | 2020-03-03 | Illinois Tool Works Inc. | Reflow soldering oven with at least one gas purification system comprising a catalyst unit |
| CN107378168A (en) * | 2017-08-21 | 2017-11-24 | 托普工业(江苏)有限公司 | A kind of stainless steel high temperature soldering oven |
| CN111618351A (en) * | 2020-05-27 | 2020-09-04 | 河南工学院 | Milling machine for processing workpiece easy to oxidize in air |
| CN111618351B (en) * | 2020-05-27 | 2021-06-18 | 河南工学院 | Milling machine for processing workpiece easy to oxidize in air |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100471606C (en) | Intermittent type gas protecting soldering furnace | |
| CN201041454Y (en) | Nitrogen protection brazing furnace intermittent furnace drying device | |
| CN100457349C (en) | Air protecting and heating type braze welding furnace | |
| CN100529627C (en) | Sealed hot-air agitating device for nitrogen-protective soldering furnace | |
| CN201086166Y (en) | Discontinuous mode gas protecting brazier | |
| CN101250678B (en) | Low stove pressure convection continuous roller bottom type annealing furnace and annealing technique | |
| CN103074471B (en) | Roller-type spheroidizing annealing production line and isothermal spheroidizing annealing method | |
| CN102092926A (en) | Toughened grass homogenizing furnace | |
| CN201772751U (en) | Trolley horizontal annealing pot for heat treatment of copper-clad aluminum bar | |
| CN201192751Y (en) | Brazing furnace | |
| CN201289290Y (en) | Rapid cooling type intermediate frequency induction sintering furnace | |
| CN201020583Y (en) | Nitrogen protected brazing furnace batch furnace preheating purification device | |
| CN101284325A (en) | Network bringing type brazing furnace | |
| CN107081497A (en) | Production line without glue aluminum cellular board | |
| CN100577823C (en) | Heat treatment furnace with built-in euthermic gas generation device | |
| CN203173850U (en) | Deaminization furnace for preparing vanadium pentoxide from ammonium vanadate | |
| CN207104036U (en) | Production line without glue aluminum cellular board | |
| CN201933010U (en) | Toughened glass homogenizing furnace | |
| CN209652361U (en) | It is a kind of can be to the annealing furnace that heat is recycled | |
| CN201463609U (en) | High-temperature material gas rapid injection cooing unit | |
| CN202733934U (en) | Air preheater | |
| CN105202910B (en) | A kind of high power low power consuming roller furnace | |
| CN201028954Y (en) | Encapsulated hot wind agitating apparatus used for nitrogen protection brazier | |
| CN209797757U (en) | glass annealing kiln updraft ventilator | |
| CN101041197A (en) | Water-cooling room of the interval type air protecting and heating braze welding furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080716 Termination date: 20130409 |