CN202099322U - Copper and copper alloy continuous network chain type annealing furnace - Google Patents
Copper and copper alloy continuous network chain type annealing furnace Download PDFInfo
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- CN202099322U CN202099322U CN2011200952779U CN201120095277U CN202099322U CN 202099322 U CN202099322 U CN 202099322U CN 2011200952779 U CN2011200952779 U CN 2011200952779U CN 201120095277 U CN201120095277 U CN 201120095277U CN 202099322 U CN202099322 U CN 202099322U
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Abstract
The utility model provides a copper and copper alloy continuous network chain type annealing furnace, which comprises a supporting frame and a continuous network chain type delivery mechanism; and a feeding section, a heating section, a slow-cooling section, a jet-flow cooling section, another slow-cooling section and a discharging section are arranged on the supporting frame in the delivery direction in sequence. The whole annealing process is conducted under the protection of nitrogen or nitrogen-hydrogen mixed gas, a heating chamber adopts an integrated muffle structure, so that the air tightness is excellent. The furnace chamber space is narrow, the furnace chamber space utilization rate is extremely high, the thermal efficiency of the network chain annealing furnace is high, the gas consumption and the energy consumption are low, and the production cost is effectively reduced. The structure of the furnace body is simple, the volume of the furnace is small, the occupied area is small, the equipment investment is small, the operation is convenient, and the annealing furnace meets the requirements of small-lot, small-specification, multiple-specifications and multiple-alloy-varieties copper and copper alloy continuous bright annealing.
Description
Technical field
The utility model belongs to metallurgical technology field, relates to a kind of copper and copper alloy lehre, relates in particular to the continuous network chain formula of a kind of copper and copper alloy lehre, mainly is applicable to the clean annealing of red copper, brass, bronze, copper-nickel alloy alloy.
Background technology
Copper and copper alloy clean annealing have pit furnace, Bogie hearth furnace, roller bottom type annealing furnace, roller net formula lehre, air-locked type lehre etc.Pit furnace and Bogie hearth furnace adopt and are interrupted mode of operation, and after annealing finished, furnace charge needed furnace cooling, and production efficiency is low.The problem that roller bottom type annealing furnace exists is: have friction between furnace roller and the annealing pipe bar, often there is scratch in the product surface after the annealing, reduces the quality and the lumber recovery of high-precision tube bar.The subject matter that the air-locked type lehre exists is: furnace binding is complicated, the type of furnace is bulky, floor space is big, one-time investment is high, the copper alloy product annealing operation of incompatibility short run, many specifications kind.
The utility model content
The purpose of the utility model is the problem that exists in the prior art in order to overcome, and the continuous network chain formula of a kind of copper and copper alloy lehre is provided.
Above-mentioned purpose realizes through following proposal.
Copper of the utility model and copper alloy network chain formula lehre comprise support frame, transporting mechanism and electric control system, and delivery direction is disposed with feed zone, heating zone, cooling section, discharging section in the support frame upper edge, it is characterized in that:
Said transporting mechanism is continuous network chain formula transporting mechanism, is made up of the stove net, contact roller, guide deflection sheave and the network chain that are arranged on the support frame;
The outlet of the import of said heating zone, outlet and cooling section is respectively arranged with the choke sealing curtain;
The outlet of the import of said heating zone, outlet and cooling section is respectively arranged with the nitrogen jet apparatus;
The outlet of the import of said heating zone, outlet and cooling section is respectively arranged with gas skirt and smoke exhaust pipe;
Be provided with heatproof steel pot in the said heating zone, outer top and the bottom of heatproof steel pot is provided with resistive band; Be provided with nitrogen-hydrogen mixed gas jet apparatus at heating zone discharge port place;
Said cooling section is followed successively by first slow cooling section, jet flow cooling section, second slow cooling section, the 3rd slow cooling section, the 4th slow cooling section along delivery direction; The top of each slow cooling section is respectively equipped with at least one group of water-cooled coil pipe, and every group of water-cooled coil pipe all has a water-in and a water outlet;
Be provided with recirculation blower, water-chilling plant, jet flow refrigerating unit, nitrogen adding apparatus in the said jet flow cooling room.
According to above-mentioned copper and copper alloy network chain formula lehre, it is characterized in that: be provided with the nitrogen injection air curtain device between said the 3rd slow cooling section and the 4th slow cooling section.
The beneficial effect of the utility model:
1, heating chamber adopts not structure of whole horse, and resistance to air loss is splendid.The furnace chamber space is narrow and small, and the furnace chamber space availability ratio is high, and the thermo-efficiency of network chain lehre is high, gas consumption is low, energy consumption is low, effectively reduces production cost.
2, furnace binding is simple, type of furnace volume is little, floor space is little, and facility investment is little, and is easy to operate, satisfies the copper and the requirement of copper alloy kind continuous bright annealing of short run, small dimension, many specifications, many alloys kind.
3, adopt the sectional cooling structure, effectively reduce the temperature stress that produces in the process of cooling goods, help improving high-quality, high-alloying dimensional accuracy of products, the waste product phenomenon of stopping to anneal takes place.And can improve the production efficiency of lehre to greatest extent.
4, whole annealing process is under the protection of nitrogen or nitrogen-hydrogen gas mixture, to carry out, and the annealing goods are homogeneous microstructure, cleaning surfaces, nothing scuffing, annealing back goods non-oxidation, light end to end, keeps the metal true qualities.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Be elaborated below in conjunction with the structure and the annealing process of accompanying drawing to the utility model copper and the continuous network chain formula of copper alloy lehre.
A kind of copper and copper alloy network chain formula lehre comprise support frame, transporting mechanism and electric control system, and delivery direction is disposed with feed zone, heating zone, slow cooling section, jet flow cooling section, slow cooling section, discharging section in the support frame upper edge.
Wherein, transporting mechanism is made up of the grate 36, tightening pulley 9, guide deflection sheave 10 and the network chain 11 that are arranged on the support frame; Network chain runs through whole feed zone, heating zone, cooling section and discharging section, forms the closed circulation drive mechanism.
The outlet of the import of feed zone 1, discharging section 8 is respectively arranged with choke sealing curtain 15,33.The maximum operation (service) temperature of choke sealing curtain can reach 1100 ℃, can effectively reduce heat radiation loss and furnace gas consumption.
The outlet of the import of feed zone 1, discharging section 8 is respectively arranged with nitrogen jet apparatus 16,32.The nitrogen jet apparatus comprises nitrogen inlet pipe and jet pipe; The high speed stream of nitrogen gas of nitrogen jet apparatus ejection forms air curtain one at opening for feed, discharge port, to keep furnace pressure, stops extraneous air to get in the stove.
The outlet of the import of heating zone 2 and discharging section 8 is respectively arranged with gas skirt 13,35 and smoke exhaust pipe 14,34, is used to collect and discharge flue gas (volatilization of copper material surfaces externally and internally, cracked lubricating oil), nitrogen and the hydrogen of overflowing in the stove.
Be provided with heatproof steel pot 18 (adopt 6mmSUS310 high temperature steel integral die to help ripple struction, have fabulous anti-deformation) in the heating zone 2, outer top and the bottom of heatproof steel pot is provided with heating system 17.The exit of heating zone is equipped with up and down nitrogen-hydrogen mixed gas jet apparatus (comprising that upper and lower nitrogen-hydrogen mixed gas adds pipe and nitrogen-hydrogen mixed gas jet pipe up and down) 19,20; Be used in retort, importing nitrogen-hydrogen mixed gas, and form air curtain at retort mouth place.The retort discharge port is provided with choke sealing curtain 21.
Cooling section is followed successively by first slow cooling section 3, jet flow cooling section 4, second slow cooling section 5, the 3rd slow cooling section 6, the 4th slow cooling section 7 along delivery direction; The top of each slow cooling section is respectively equipped with at least one group of water-cooled coil pipe 29, and every group of water-cooled coil pipe all has a water-in 28 and a water outlet 30.The slow cooling segment with double water jacket spacer structure, each comprising water distribution labyrinth diversion ribs, so that the cooling water flow by labyrinth route, ensure good heat exchange effect; each set into the water jacket, and the corresponding outlet valves, cooling water flow independently adjustable, backwater collecting tank through an open emissions, cooling water directly observed Neiliao start condition.The purpose of slow cooling section is to avoid abnormity, thin-wall copper pipe when chilling, to produce distortion.Between the 3rd slow cooling section 6 and the 4th slow cooling section 7, be provided with nitrogen jet apparatus 31.The stream of nitrogen gas that the nitrogen jet apparatus sprays at a high speed forms air curtain in the 3rd slow cooling section between the 4th slow cooling section, to keep furnace pressure, stop extraneous air to get in the stove.
Jet flow cooling room 4 is by blower fan 26, water-chilling plant, jet set of nozzles 23, nitrogen adding apparatus 22 formed up and down.Nitrogen adds pipe 22 and replenishes nitrogen to the jet band, to keep the inert atmosphere in this district.Air-cooling chamber is steel plate, shaped steel sealing welding structural element, and the two side is double-deck water wall structure, and interior cloth labyrinth type is strengthened fuisw rib, makes cooling jacket internal cooling water by the labyrinth type path flows, guarantees good heat friendship control effect.Water-chilling plant is provided with inlet tube and outlet tube and respective valves.Strong recirculation blower adopts VFC, can be according to establishing the border operating mode, and step-less adjustment strong convection speed of circulation reaches best cooling performance.Interchanger is installed in strong convection recirculation blower air suction inlet; Be copper pipe, aluminium fin structure, heat exchange area surpasses 200m
.Circulation air path one end connects with strong recirculation blower, and an end connects with the upper and lower winding-up inlet mouth of cooling room.Air quantity, blast variable valve are set, guarantee that air quantity all distributes and cool off stablizing of indoor air flow.
Recirculation blower air outlet 27 is set in the jet flow cooling room 4; After stream of nitrogen gas and the indoor workpiece heat exchange; Through the blower fan heat exchanger cooling, get into recirculation blower blast inlet 24, through recirculation blower air outlet 25, circulation air path and upper and lower winding-up set of nozzles 23; Evenly to the workpiece ejection, form circulation from the workpiece upper and lower.The high speed cooling draught reaches the effect of rapidly, evenly cooling off workpiece.
Workpiece 12 is placed on the network chain 11 of feed zone 1, and network chain 11 moves under the driving of transmission system, drives workpiece 12 and gets into heating zone 2, and 17 pairs of workpiece of heating system carry out radiation heating.Approximately after 45-70 minute, workpiece 12 is accomplished heating-intensification-soaking-insulating processes, and workpiece end to end, heart table realized that temperature is even.Through samming, reach the workpiece that annealing effect and grain fineness number require and get into subsequently in first slow cooling section 3, carry out heat exchange through coil pipe and the indoor atmosphere of slow cooling, through the atmosphere cooling, the workpiece cooling is cooled off.Workpiece cooled off 12-25 minute in first slow cooling section 3, got into jet flow cooling room 4, through water-cooled heat exchanger, recirculation blower, jet flow system etc. will spray to workpiece through overcooled low temperature nitrogen up and down, and workpiece is forced cooling.Workpiece cooled off 12-25 minute in jet flow cooling room 4, got in second slow cooling section 5.Structure, cooling principle and first slow cooling section of second slow cooling section 5, the 3rd slow cooling section 6, the 4th slow cooling section 7 are identical.Workpiece is after second slow cooling section 5, the 3rd slow cooling section 6, the 4th slow cooling section 7 are cooled off 30-60 minute respectively, and when moving to choke sealing curtain 33 places of discharging section 8 with network chain 11, temperature is reduced to below 50 ℃, comes out of the stove subsequently, accomplishes annealing process.
Claims (1)
1. copper and copper alloy network chain formula lehre comprise support frame, transporting mechanism and electric control system, and delivery direction is disposed with feed zone, heating zone, cooling section, discharging section in the support frame upper edge, it is characterized in that:
Said transporting mechanism is continuous network chain formula transporting mechanism, is made up of the stove net, contact roller, guide deflection sheave and the network chain that are arranged on the support frame;
The outlet of the import of said heating zone, outlet and cooling section is respectively arranged with the choke sealing curtain;
The outlet of the import of said heating zone, outlet and cooling section is respectively arranged with the nitrogen jet apparatus;
The outlet of the import of said heating zone, outlet and cooling section is respectively arranged with gas skirt and smoke exhaust pipe;
Be provided with heatproof steel pot in the said heating zone, outer top and the bottom of heatproof steel pot is provided with resistive band; Be provided with nitrogen-hydrogen mixed gas jet apparatus at heating zone discharge port place;
Said cooling section is followed successively by first slow cooling section, jet flow cooling section, second slow cooling section, the 3rd slow cooling section, the 4th slow cooling section along delivery direction; The top of each slow cooling section is respectively equipped with at least one group of water-cooled coil pipe, and every group of water-cooled coil pipe all has a water-in and a water outlet;
Be provided with recirculation blower, water-chilling plant, jet flow refrigerating unit, nitrogen adding apparatus in the said jet flow cooling room.
2.Copper and copper alloy network chain formula lehre is characterized in that: be provided with the nitrogen injection air curtain device between said the 3rd slow cooling section and the 4th slow cooling section according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200952779U CN202099322U (en) | 2011-04-02 | 2011-04-02 | Copper and copper alloy continuous network chain type annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200952779U CN202099322U (en) | 2011-04-02 | 2011-04-02 | Copper and copper alloy continuous network chain type annealing furnace |
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| Publication Number | Publication Date |
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| CN202099322U true CN202099322U (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200952779U Expired - Fee Related CN202099322U (en) | 2011-04-02 | 2011-04-02 | Copper and copper alloy continuous network chain type annealing furnace |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679747A (en) * | 2012-05-29 | 2012-09-19 | 江苏瑞泰重型机械有限公司 | Energy-saving type cooling machine for high temperature clinker in dry-method cement kiln |
| CN104785787A (en) * | 2015-04-29 | 2015-07-22 | 宁波依司特加热设备有限公司 | Powder metallurgy rapid cooling system |
| CN106032564A (en) * | 2016-07-07 | 2016-10-19 | 太原太航科技有限公司 | Semi-annealing method for H80 alloy |
| CN107130090A (en) * | 2017-04-28 | 2017-09-05 | 武汉市杰精精密电子有限公司 | The n 2 annealing equipment and method for annealing of a kind of stainless steel battery case |
| CN107482087A (en) * | 2017-09-27 | 2017-12-15 | 浙江晶科能源有限公司 | A kind of method of finished product solar cell annealing |
| CN107974546A (en) * | 2017-12-21 | 2018-05-01 | 杭州河合电器股份有限公司 | A kind of heat-generating pipe double-station differential annealing automation equipment |
| CN108384942A (en) * | 2018-01-18 | 2018-08-10 | 广东世创金属科技股份有限公司 | The overlength Muffle pot of horizontal type steel belt annealing furnace |
-
2011
- 2011-04-02 CN CN2011200952779U patent/CN202099322U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679747A (en) * | 2012-05-29 | 2012-09-19 | 江苏瑞泰重型机械有限公司 | Energy-saving type cooling machine for high temperature clinker in dry-method cement kiln |
| CN104785787A (en) * | 2015-04-29 | 2015-07-22 | 宁波依司特加热设备有限公司 | Powder metallurgy rapid cooling system |
| CN106032564A (en) * | 2016-07-07 | 2016-10-19 | 太原太航科技有限公司 | Semi-annealing method for H80 alloy |
| CN106032564B (en) * | 2016-07-07 | 2017-11-28 | 太原太航科技有限公司 | A kind of half method for annealing of H80 alloys |
| CN107130090A (en) * | 2017-04-28 | 2017-09-05 | 武汉市杰精精密电子有限公司 | The n 2 annealing equipment and method for annealing of a kind of stainless steel battery case |
| CN107482087A (en) * | 2017-09-27 | 2017-12-15 | 浙江晶科能源有限公司 | A kind of method of finished product solar cell annealing |
| CN107974546A (en) * | 2017-12-21 | 2018-05-01 | 杭州河合电器股份有限公司 | A kind of heat-generating pipe double-station differential annealing automation equipment |
| CN107974546B (en) * | 2017-12-21 | 2023-05-05 | 杭州热威电热科技股份有限公司 | Automatic double-station local annealing equipment for heating tube |
| CN108384942A (en) * | 2018-01-18 | 2018-08-10 | 广东世创金属科技股份有限公司 | The overlength Muffle pot of horizontal type steel belt annealing furnace |
| CN108384942B (en) * | 2018-01-18 | 2024-05-31 | 广东世创金属科技股份有限公司 | Overlength muffle tank of horizontal steel strip annealing furnace |
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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: 20120104 Termination date: 20140402 |