CN201770744U - Bright annealing furnace with roller bottom - Google Patents
Bright annealing furnace with roller bottom Download PDFInfo
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- CN201770744U CN201770744U CN2010202684563U CN201020268456U CN201770744U CN 201770744 U CN201770744 U CN 201770744U CN 2010202684563 U CN2010202684563 U CN 2010202684563U CN 201020268456 U CN201020268456 U CN 201020268456U CN 201770744 U CN201770744 U CN 201770744U
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Abstract
The utility model discloses a bright annealing furnace with a roller bottom, which comprises a furnace body, a roller transmission mechanism, a gas supplying mechanism and a controlling system, wherein a front vacuum gas chamber, a heating chamber, a cooling chamber and a rear vacuum gas chamber are arranged inside the furnace body, a defatting chamber is further arranged between the heating chamber and the cooling chamber, and the two ends of the defatting chamber are respectively connected with a material outlet end of the heating chamber and a material inlet end of the cooling chamber through connecting mechanisms. The bright annealing furnace with the roller bottom adopts the way of intermediate defatting, when greasy dirt is volatilized under heat and not completely condensed, a defatting fan refrigerates the protecting gas containing oil gas inside the defatting chamber and then filters the oil inside, and simultaneously combining with the heating way of vertical convection, the cooling way of all-wind cyclic cooling, continuous pipe inside purge with a purging device, nonstop supply of the protecting gas with the gas supplying mechanism and automatic controlling of a programmed controlling system, the annealing furnace has the advantages of stable heating environment, small cooling air pressure fluctuation, quick cooling speed, high automation rate, high controlling precision, easy arrangement and easy management.
Description
Technical field
The utility model belongs to non-ferrous metal heat treatment technics field, relates in particular to a kind of copper or copper-alloy pipe-material to be carried out the roller bottom type bright annealing oven that clean annealing is handled.
Background technology
Along with expanding economy, requirement to bright copper pipe is more and more, so-called " bright copper pipe " is meant copper pipe is just had brilliant degree so that do not cause the decarburization situation to produce at the enclosed space heating anneal relief temperature naturally cooling of lowering the temperature below at least 500 ℃ again in enclosed space, therefore this annealing way is compared common thermal treatment and is had strict process requirement more, it is not oxidized that surface temperature before copper pipe is come out of the stove will guarantee that copper pipe is exposed in the air, the copper pipe inwall can not produce carbonization phenomenon again simultaneously, and this requires heating and Cooling Control very strict.The bright heat treatment of copper pipe always is to carry out in horizontal chamber oven or bell furnace, the both is a gap operation stove, need coil significantly and the lifting ability, thermo-efficiency is low, and single stove throughput is not high, and domestic for this reason once the introduction developed net belt type copper pipe continuous bright annealing furnace, but exist productivity low, the Muffle pot easy deformation is damaged, and belt life is not long, non-uniform temperature.Domestic annealing device exists efficient low at present, and yield rate is low, the energy consumption height, and poor working environment, shortcomings such as poor product quality, these shortcomings had both influenced economic benefit of enterprises, also were against the industry policy that conservation-minded society and Sustainable development are created by country; Though external annealing device is with high content of technology, multiple functional, level of automation is high, owing to cost an arm and a leg, under portion's situation with keen competition, has only minority enterprise to have the ability to cause import equipment in industry, be difficult in industry be widely used.China national Department of Intellectual Property improves existing bright annealing oven in the patent of on June 25th, 2003 disclosed " a kind of protective gas on-line purging copper tube bright continuous annealing furnace " by name, in the bin of placing tubing, be provided with inlet pipe and escape pipe, each indoor gas barrier and blow device that is provided with corresponding connection inlet pipe and escape pipe of annealing furnace, whole annealing process is all carried out in a stable protective atmosphere, improve the copper pipe surface quality; In addition, copper pipe draws its inwall of back and has the residual greasy dirt of part, and these greasy dirt evaporable mix simultaneously in some stoves and are condensate in copper pipe surface and furnace wall behind the impurity during annealing heating, influence equipment works better and copper tube bright degree; This patent only relies on protection gas to come in the blow-off pipe its effect of greasy dirt unsatisfactory, and the greasy dirt that condensation is got off is difficult to blow down clean, and long-time use can cause greasy dirt accumulation in the tracheae, influences ventilatory effect.
Summary of the invention
Problem to be solved in the utility model just provides a kind of roller bottom type bright annealing oven, can not only effectively control oxidation, carbonization phenomenon in the tubing clean annealing process, and can guarantee good annealing effect and working efficiency, realize the purpose of the high anneal capability of copper pipe with low cost.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of roller bottom type bright annealing oven, comprise body of heater, roller-way transmission rig, gas supply mechanism and Controlling System, be provided with initial vacuum air chamber, heating chamber, cooling room and final vacuum air chamber in the body of heater, it is characterized in that: also be provided with the degreasing chamber between described heating chamber and the cooling room, the two ends of degreasing chamber connect heating chamber discharge end and cooling room feed end by connection mechanism respectively.
Further; described connection mechanism comprises and connects housing and be located at the intravital gate assembly of connection shell; top, degreasing chamber is provided with smeary degreasing blower fan in the filtering protection gas, and the connection housing of degreasing chamber body by two ends is tightly connected with the cavity of heating chamber, cooling room respectively.
Further, described heating chamber is divided into several heated zones, is equipped with recirculation blower and the embedded heat radiation tube that adds of many groups in each heated zones; The temperature that the thermopair, temperature control element and the silicon controlled power modulation device that are connected with Controlling System are used to control, measure heating chamber also is set in each heated zones.
Further, described recirculation blower is located at the top of each heated zones, describedly adds that heat radiation tube is distributed in the both sides inwall of each heated zones and recirculation blower forms the vertical convection structure, guarantees being heated evenly of workpiece.
Further, described cooling room is divided into several cooling sections, is equipped with cooling blower, condenser, heat exchanger and air channel in each cooling section; Described cooling blower air outlet is communicated with condenser inlet, and condensator outlet inserts the air channel, sends into cold air by the air channel in cooling room, and described heat exchanger blast inlet inserts in the cooling room, and the air outlet of heat exchanger is communicated with the blast inlet of cooling blower.
Further, described roller-way transmission rig comprises the feeding roller table mechanism that is connected initial vacuum air chamber opening for feed, be located at the intravital furnace rolls of stove road mechanism and and the discharging roller-way mechanism that is connected final vacuum air chamber discharge port, described furnace rolls road mechanism is made of some heat-resistant rolls, and the heat-resistant roll two ends penetrate sidewall of the furnace body and are sealed and matched with corresponding bearing support.
Further, be equipped with the protection gas that the blow device that is connected with gas supply mechanism is used for tubing inside is fed preheating in described heating chamber, feeding roller table mechanism, the discharging roller-way mechanism.
Further, described roller-way transmission rig comprises that also one carries by-pass, carry corresponding respectively feeding roller table mechanism, the discharging roller-way mechanism of being connected in two ends of by-pass, described feeding roller table mechanism, furnace rolls road mechanism, discharging roller-way mechanism, carry by-pass to constitute cyclic delivery system.Reduce manual operation, reduce labour intensity, improve working (machining) efficiency.
Further, described Controlling System comprise control gas supply mechanism work air-path control system, regulate the heating control system of heating chamber temperature, to the frequency-changing control system of each blower fan and the roller-way transmission rig section of carrying out speed control system and the programming Control system that realizes the annealing furnace automatization.
Further, the opening for feed of initial vacuum air chamber and final vacuum air chamber discharge port place are equipped with supervisory control desk, and supervisory control desk is provided with the pilot lamp for manually-operated touch-screen, system operation button and display equipment running status.
The beneficial effects of the utility model: the utility model has adopted middle degreasing mode; at the greasy dirt heated volatile not during total condensation; by the degreasing blower fan the indoor shielding gas that has oil gas of degreasing is carried out cooled and filtered and fall wherein oil; while is in conjunction with the type of heating of vertical convection; the cold circulation type of cooling of full blast; blow device constantly purges in managing; the continual protection gas of gas supply mechanism provides and the automatization of programming Control system is controlled; making annealing furnace have heating environment stablizes; the cooling air pressure fluctuation is little; speed of cooling is fast; the level of automation height; the control accuracy height; be easy to be provided with; the advantage that is easy to manage; realize higher reliability; good Technological adaptability; can not only effectively control the oxidation in the tubing clean annealing process; carbonization phenomenon; and guaranteed good annealing effect and working efficiency, practised and hanged down; the purpose of high anneal capability.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is an annealing furnace vertical view of the present utility model;
Fig. 2 is an annealing furnace side-view of the present utility model.
Embodiment
With reference to Fig. 1, shown in Figure 2, the roller bottom type bright annealing oven that the utility model provides, comprise body of heater 2, roller-way transmission rig, gas supply mechanism and Controlling System, be provided with initial vacuum air chamber 21, heating chamber 22, cooling room 24 and final vacuum air chamber 25 in the body of heater 2, also be provided with degreasing chamber 23 between described heating chamber 22 and the cooling room 24, the two ends of degreasing chamber 23 connect heating chamber 22 discharge ends and cooling room 24 feed ends by connection mechanism respectively.Connection mechanism comprises and connects housing and be located at the intravital gate assembly 6 of connection shell, 23 tops, degreasing chamber are provided with smeary degreasing blower fan in the filtering protection gas, and the connection housing of degreasing chamber 23 cavitys by two ends is tightly connected with the cavity of heating chamber 22, cooling room 24 respectively; The degreasing chamber 23 inboard steel plates that adopt weld, and outside with the shaped steel reinforcement, the resistance to air loss leak testing is carried out in inside; Heating chamber 22 is divided into eight heated zones, is equipped with a recirculation blower and the embedded heat radiation tube that adds of many groups in each heated zones; Also be provided with the temperature that the thermopair, temperature control element and the silicon controlled power modulation device that are connected with Controlling System are used to control, measure heating chamber 22 in each heated zones; Wherein recirculation blower is located at the top of each heated zones, describedly adds that heat radiation tube is distributed in the both sides inwall of each heated zones and recirculation blower forms the vertical convection structure, guarantees being heated evenly of workpiece.Described cooling room 24 is divided into ten cooling sections, is equipped with cooling blower, condenser, heat exchanger and air channel in each cooling section; Described cooling blower air outlet is communicated with condenser inlet, and condensator outlet inserts the air channel, sends into cold air by the air channel in cooling room 24, and described heat exchanger blast inlet inserts in the cooling room 24, and the air outlet of heat exchanger is communicated with the blast inlet of cooling blower; During cooling, cooling blower with the cooling gas of condenser in cooling room 24 is sent in the air channel, the hot return air of cooling room 24 is reclaimed by heat exchanger and sends into cooling blower again, again by cooling blower with the cooling gas of condenser in cooling room 24 is sent in the air channel, so circulation realizes the copper pipe cooling, and this type of cooling not only speed of cooling is fast, and effect is obvious, and air consumption is low, and the air pressure fluctuation in the cooling room 24 is little.
The roller-way transmission rig comprises feeding roller table mechanism 1, furnace rolls road mechanism 5 that is connected initial vacuum air chamber 21 opening for feeds and the discharging roller-way mechanism 3 that is connected final vacuum air chamber 25 discharge ports, described furnace rolls road mechanism 5 is made of some heat-resistant rolls, and the heat-resistant roll two ends penetrate body of heater 2 sidewalls and are sealed and matched with corresponding bearing support; The roller-way transmission rig comprises that also one carries by-pass 4, carry corresponding respectively feeding roller table mechanism 1, the discharging roller-way mechanism 3 of being connected in by-pass 4 two ends, described feeding roller table mechanism 1, furnace rolls road mechanism 5, discharging roller-way mechanism 3, carry by-pass 4 to constitute cyclic delivery systems, reduce manual operation, reduce labour intensity, improve working (machining) efficiency.
Be equipped with the blow device that is connected with gas supply mechanism in heating chamber 22, feeding roller table mechanism 1, the discharging roller-way mechanism 3 and be used for tubing inside is fed the protection gas of preheating.
Controlling System comprise control gas supply mechanism work air-path control system, regulate the heating control system of heating chamber 22 temperature, to the frequency-changing control system of each blower fan and the roller-way transmission rig section of carrying out speed control system and the programming Control system that realizes the annealing furnace automatization; The opening for feed of initial vacuum air chamber 21 and final vacuum air chamber 25 discharge port places all establish supervisory control desk, and supervisory control desk is provided with the pilot lamp for manually-operated touch-screen, system operation button and display equipment running status.
During work; tubing is put into bin earlier and is sent into initial vacuum air chamber 21 by feeding roller table mechanism 1; air chamber 21 front and back in initial vacuum are provided with two gates and are used for closed air chamber; vacuum pump is extracted furnace gas out; simultaneously pour protective atmosphere, be generally that high pressure nitrogen adds hydrogen and low-pressure nitrogen adds hydrogen by gas supply mechanism.After sending into initial vacuum air chamber 21, the transmission of bin is realized by furnace rolls road mechanism 5, successively through initial vacuum air chamber 21, heating chamber 22, degreasing chamber 23, cooling room 24 and final vacuum air chamber 25, the front and back of final vacuum air chamber 25 are provided with two gates equally and are used for closed air chamber, forward and backward vacuum room 25 mainly overcomes the distortion that cavity is produced under condition of negative pressure, accomplish to guarantee the intensity of housing, accomplish that again the waste material of exceeding comes proof strength; Also to control the weldprocedure of whole cavity simultaneously, guarantee that whole cavity all adopts the resistance to air loss welding, prevents that the air outside the vacuum middle shell from running to housing by weld seam; The stopping property of body of heater 2 sidewalls and furnace rolls road mechanism 5 each junction need select for use high performance sealing member to install in conjunction with bearing support.In whole annealing process, add temperature variation and real time record in the thermal control control stove; The continual protection gas that in stove, provides of air-path control system; Frequency-changing control system to electric machines for roller, cooling blower, circulation according to circumstances, degreasing blower fan etc. all carried out variable frequency control, export its section of carrying out speed control system by the PLC logic, can between high low speed, switch flexibly, utilize frequency transformer and each protecting component to protect, and fault to be carried out analyzing and processing to the short circuit of motor, the fault that opens circuit, leaks electricity or the like by PLC; The programming Control system mainly utilizes its powerful computing and controlled function that The whole control system is carried out automatization control, by the man-machine interface input temp, PLC carries out being transferred to temperature control instrument by analog quantity after the logical operation to the input data, various process parameters such as furnace temperature, Power Regulation electric current or the like are transferred to PLC by analog quantity, by PLC the input data are carried out showing by man-machine interface after the logical operation again.In addition, the opening for feed of initial vacuum air chamber 21 and final vacuum air chamber 25 discharge port places all are provided with supervisory control desk, supervisory control desk is operator's a main work point, it is Controlling System and operator's interface, be used to gather the data message of entry position, give PLC by the Profibus-DP bus transfer, make data transmission simple and direct, be provided with the action button of various automatic or manuals simultaneously on the supervisory control desk, each mechanism that is convenient to operation, various faults and run indicator can allow the operator very clearly understand equipment running status, the supervisory control desk top is provided with touch-screen, is used to show and the operating parameter that equipment is set.
Finished product hangs from bin after final vacuum air chamber 25 comes out and gets, bin then is passed to carry on the by-pass 4 and oppositely send initial vacuum air chamber 21 back to and reuses, feeding roller table mechanism 1, furnace rolls road mechanism 5, discharging roller-way mechanism 3, conveying by-pass 4 constitute cyclic delivery systems, reduce manual operation, reduce labour intensity, improve working (machining) efficiency.
Except that above preferred embodiment, the utility model also has other embodiment, those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from spirit of the present utility model, all should belong to the defined scope of the utility model claims.
Claims (10)
1. roller bottom type bright annealing oven, comprise body of heater (2), roller-way transmission rig, gas supply mechanism and Controlling System, be provided with initial vacuum air chamber (21), heating chamber (22), cooling room (24) and final vacuum air chamber (25) in the body of heater (2), it is characterized in that: also be provided with the degreasing chamber between described heating chamber (22) and the cooling room (24), the two ends of degreasing chamber connect heating chamber (22) discharge end and cooling room (24) feed end by connection mechanism respectively.
2. a kind of roller bottom type bright annealing oven according to claim 1; it is characterized in that: described connection mechanism comprises and connects housing and be located at the connection intravital gate assembly of shell (6); top, degreasing chamber is provided with smeary degreasing blower fan in the filtering protection gas, and the connection housing of degreasing chamber body by two ends is tightly connected with the cavity of heating chamber (22), cooling room (24) respectively.
3. a kind of roller bottom type bright annealing oven according to claim 1 and 2 is characterized in that: described heating chamber (22) is divided into several heated zones, is equipped with recirculation blower and the embedded heat radiation tube that adds of many groups in each heated zones; The temperature that the thermopair, temperature control element and the silicon controlled power modulation device that are connected with Controlling System are used for control, measure heating chamber (22) also is set in each heated zones.
4. a kind of roller bottom type bright annealing oven according to claim 3, it is characterized in that: described recirculation blower is located at the top of each heated zones, describedly adds that heat radiation tube is distributed in the both sides inwall of each heated zones and recirculation blower forms the vertical convection structure.
5. a kind of roller bottom type bright annealing oven according to claim 1 and 2 is characterized in that: described cooling room (24) is divided into several cooling sections, is equipped with cooling blower, condenser, heat exchanger and air channel in each cooling section; Described cooling blower air outlet is communicated with condenser inlet, and condensator outlet inserts the air channel, sends into cold air by the air channel in cooling room (24), and described heat exchanger blast inlet inserts in the cooling room (24), and the air outlet of heat exchanger is communicated with the blast inlet of cooling blower.
6. a kind of roller bottom type bright annealing oven according to claim 1 and 2, it is characterized in that: described roller-way transmission rig comprises the feeding roller table mechanism (1) that is connected initial vacuum air chamber (21) opening for feed, be located in the body of heater (2) furnace rolls road mechanism (5) and and the discharging roller-way mechanism (3) that is connected final vacuum air chamber (25) discharge port, described furnace rolls road mechanism (5) is made of some heat-resistant rolls, and the heat-resistant roll two ends penetrate body of heater (2) sidewall and are sealed and matched with corresponding bearing support.
7. a kind of roller bottom type bright annealing oven according to claim 6 is characterized in that: be equipped with the protection gas that the blow device that is connected with gas supply mechanism is used for tubing inside is fed preheating in described heating chamber (22), feeding roller table mechanism (1), the discharging roller-way mechanism (3).
8. a kind of roller bottom type bright annealing oven according to claim 6, it is characterized in that: described roller-way transmission rig comprises that also one carries by-pass (4), carry corresponding respectively feeding roller table mechanism (1), the discharging roller-way mechanism (3) of being connected in two ends of by-pass (4), described feeding roller table mechanism (1), furnace rolls road mechanism (5), discharging roller-way mechanism (3), conveying by-pass (4) constitute cyclic delivery system.
9. a kind of roller bottom type bright annealing oven according to claim 1 and 2 is characterized in that: described Controlling System comprise control gas supply mechanism work air-path control system, regulate the heating control system of heating chamber (22) temperature, to the frequency-changing control system of each blower fan and the roller-way transmission rig section of carrying out speed control system and the programming Control system that realizes the annealing furnace automatization.
10. a kind of roller bottom type bright annealing oven according to claim 1 and 2, it is characterized in that: the opening for feed of initial vacuum air chamber (21) and final vacuum air chamber (25) discharge port place are equipped with supervisory control desk, and supervisory control desk is provided with the pilot lamp for manually-operated touch-screen, system operation button and display equipment running status.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202684563U CN201770744U (en) | 2010-07-20 | 2010-07-20 | Bright annealing furnace with roller bottom |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202684563U CN201770744U (en) | 2010-07-20 | 2010-07-20 | Bright annealing furnace with roller bottom |
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| CN201770744U true CN201770744U (en) | 2011-03-23 |
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| CN2010202684563U Expired - Lifetime CN201770744U (en) | 2010-07-20 | 2010-07-20 | Bright annealing furnace with roller bottom |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103088202A (en) * | 2013-03-02 | 2013-05-08 | 中色奥博特铜铝业有限公司 | Method for accurately positioning charging basket for roller-hearth continuous annealing furnaces |
| CN103547875A (en) * | 2011-03-25 | 2014-01-29 | 伊娃·施瓦兹 | Roller hearth furnace and method for heating workpieces |
| CN104004888A (en) * | 2014-05-14 | 2014-08-27 | 中国科学院广州能源研究所 | Continuous annealing device for thermochromatic coating materials on sheet substrates |
| CN105331780A (en) * | 2015-11-20 | 2016-02-17 | 江苏丰东热技术股份有限公司 | Low-temperature protection atmosphere type degreasing annealing furnace |
| CN105886792A (en) * | 2016-06-13 | 2016-08-24 | 重庆钢铁(集团)有限责任公司 | Electroslag remelting system |
| CN107199412A (en) * | 2017-06-30 | 2017-09-26 | 江西金盈新材料科技股份有限公司 | A kind of stainless steel pipe welding equipment |
| 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 |
| CN108315544A (en) * | 2018-04-08 | 2018-07-24 | 亚捷科技（唐山）股份有限公司 | A kind of amino atmosphere roller stick furnace production system |
| CN109097536A (en) * | 2018-09-08 | 2018-12-28 | 嘉兴市合工业电炉有限公司 | A kind of heat-tinting annealing furnace of stainless steel work-piece |
| CN109576486A (en) * | 2018-12-18 | 2019-04-05 | 广西柳州银海铝业股份有限公司 | Heat-treatment furnace bulk temperature control method |
| CN111058050A (en) * | 2019-11-29 | 2020-04-24 | 浙江海亮股份有限公司 | Pickling device |
| CN112029978A (en) * | 2020-08-11 | 2020-12-04 | 江苏常宝普莱森钢管有限公司 | Proportioning method for controlling oxidation protective atmosphere of inner surface of heat treatment furnace |
| CN112481564A (en) * | 2020-11-26 | 2021-03-12 | 海亮奥托铜管（广东）有限公司 | Alloy copper pipe annealing device and alloy copper pipe annealing treatment method |
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2010
- 2010-07-20 CN CN2010202684563U patent/CN201770744U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103547875A (en) * | 2011-03-25 | 2014-01-29 | 伊娃·施瓦兹 | Roller hearth furnace and method for heating workpieces |
| CN103547875B (en) * | 2011-03-25 | 2016-02-10 | 施瓦兹有限责任公司 | A kind of roller hearth furnace for heated parts and use the method for this stove heated parts |
| CN103088202A (en) * | 2013-03-02 | 2013-05-08 | 中色奥博特铜铝业有限公司 | Method for accurately positioning charging basket for roller-hearth continuous annealing furnaces |
| CN104004888A (en) * | 2014-05-14 | 2014-08-27 | 中国科学院广州能源研究所 | Continuous annealing device for thermochromatic coating materials on sheet substrates |
| CN104004888B (en) * | 2014-05-14 | 2016-08-24 | 中国科学院广州能源研究所 | A kind of continuous annealer of thermochromatic coating material in sheet-form substrate |
| CN105331780A (en) * | 2015-11-20 | 2016-02-17 | 江苏丰东热技术股份有限公司 | Low-temperature protection atmosphere type degreasing annealing furnace |
| CN105331780B (en) * | 2015-11-20 | 2017-08-29 | 江苏丰东热技术股份有限公司 | Low-temperature protection atmosphere degreasing annealing furnace |
| CN105886792B (en) * | 2016-06-13 | 2018-03-09 | 重庆钢铁(集团)有限责任公司 | A kind of electric slag refusion and smelting system |
| CN105886792A (en) * | 2016-06-13 | 2016-08-24 | 重庆钢铁(集团)有限责任公司 | Electroslag remelting system |
| CN107199412A (en) * | 2017-06-30 | 2017-09-26 | 江西金盈新材料科技股份有限公司 | A kind of stainless steel pipe welding equipment |
| 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 |
| CN108315544A (en) * | 2018-04-08 | 2018-07-24 | 亚捷科技（唐山）股份有限公司 | A kind of amino atmosphere roller stick furnace production system |
| CN109097536A (en) * | 2018-09-08 | 2018-12-28 | 嘉兴市合工业电炉有限公司 | A kind of heat-tinting annealing furnace of stainless steel work-piece |
| CN109576486A (en) * | 2018-12-18 | 2019-04-05 | 广西柳州银海铝业股份有限公司 | Heat-treatment furnace bulk temperature control method |
| CN111058050A (en) * | 2019-11-29 | 2020-04-24 | 浙江海亮股份有限公司 | Pickling device |
| CN112029978A (en) * | 2020-08-11 | 2020-12-04 | 江苏常宝普莱森钢管有限公司 | Proportioning method for controlling oxidation protective atmosphere of inner surface of heat treatment furnace |
| CN112481564A (en) * | 2020-11-26 | 2021-03-12 | 海亮奥托铜管（广东）有限公司 | Alloy copper pipe annealing device and alloy copper pipe annealing treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shaoxing Jinshi Machinery Equipment Co., Ltd. Assignor: Zhejiang Hailiang Co., Ltd. Contract record no.: 2011330000849 Denomination of utility model: Bright annealing furnace with roller bottom Granted publication date: 20110323 License type: Exclusive License Record date: 20110629 |
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| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG COPPER PROCESSING RESEARCH INSTITUTE CO., Free format text: FORMER OWNER: SHAOXING JINSHI MACHINERY EQUIPMENT CO., LTD. Effective date: 20130830 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130830 Address after: 311835, No. 198, Central Road, shop Town, Zhuji, Zhejiang Patentee after: Zhejiang Hailiang Co., Ltd. Patentee after: Zhejiang Copper Processing Research Institute Co., Ltd. Address before: 311835, No. 198, Central Road, shop Town, Zhuji, Zhejiang Patentee before: Zhejiang Hailiang Co., Ltd. Patentee before: Shaoxing Jinshi Machinery Equipment Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |