CN103074480A - Controllable internal circulation cooling system used in heat treatment furnace - Google Patents

Controllable internal circulation cooling system used in heat treatment furnace Download PDF

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Publication number
CN103074480A
CN103074480A CN2011103291486A CN201110329148A CN103074480A CN 103074480 A CN103074480 A CN 103074480A CN 2011103291486 A CN2011103291486 A CN 2011103291486A CN 201110329148 A CN201110329148 A CN 201110329148A CN 103074480 A CN103074480 A CN 103074480A
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CN
China
Prior art keywords
heat treatment
treatment furnace
air outlet
cooling system
furnace
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Pending
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CN2011103291486A
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Chinese (zh)
Inventor
曹炼
朱琴
杨光勇
李崇顺
张信千
罗文祥
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Suzhou Longray Thermal Technology Co Ltd
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Suzhou Longray Thermal Technology Co Ltd
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Priority to CN2011103291486A priority Critical patent/CN103074480A/en
Publication of CN103074480A publication Critical patent/CN103074480A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a controllable internal circulation cooling system used in a heat treatment furnace. The system comprises s cooler steel structure and a heat treatment furnace. An air inlet and an air inlet valve are arranged on the upper part of the cooler steel structure. An air outlet and an air outlet valve are arranged on the lower part of the cooler steel structure. A connection rod structure is connected between the air outlet valve and the air inlet valve. A temperature control system, a filter, a heat exchanger and a circulation fan are sequentially arranged on one side between the air inlet and the air outlet; and a flow guide system is arranged on the other side. With the system provided y the invention, a furnace charge cooling speed can be effectively controlled according to a heat treatment process; the contact with an out-furnace atmosphere is prevented during the entire cooling process, such that cooling requirements of various furnace gas atmospheres can be satisfied. The system is especially suitable for furnace charges that are easy to oxidize and that can only be cooled in the furnace. Also, the internal circulation cooling system provided by the invention has the advantages of innovative structure and reliable operation. The system can be widely applied in internal cooling of various heat treatment furnace charges. Also, with the invention, existing factory related facilities can be modified, such that efficiency can be improved.

Description

A kind of heat treatment furnace is with controlled internal recycle cooling system
Technical field
The invention belongs to the equipment for Heating Processing field, be specifically related to a kind of heat treatment furnace with controlled internal recycle cooling system, be particularly useful for the heat treatment furnace of aluminium sheet band and aluminum foil rolling coiled material.
Background technology
Current aluminium manufacturer has begun to recognize in special stove under the atmosphere material heat-treated and can not only obtain the physicals that good surface quality can also improve furnace charge simultaneously, and the thermal treatment under this extraordinary atmosphere just can not be adopted traditional bypass refrigerating unit, certainly more can not be transported on cooling room or the storing stand and cool off.All these existing refrigerating units all inevitably cause high-temp. furnace material and contact with air, can havoc originally expect to get performance, cause the appearance of surface oxidation and blackspot, thereby reduce quality of item.
The speed of cooling of aluminium sheet strip and foil volume depends on the convective heat exchange of freezing air and coiled material surface, and in fact this Convective Heat Transfer comprises two steps: the one, and main flow is to the frictional belt, i.e. transmission of heat by convection; The 2nd, the heat conduction of coiled material surface, namely heat transfer by conduction are arrived in the frictional belt.In recent years along with the continuous improvement of thermal treatment process, thereby more and more heat treatment furnaces need to dispose the requirement that the stove internal cooling system satisfies thermal treatment process, original cooling system not only airtight performance is poor, cooling performance is undesirable, and can't realize importing and exporting the control of air quantity, thereby cause easily the defective workmanships such as limit section barring of Strip.
But therefore under the prerequisite of not destroying extraordinary atmosphere in the stove, improve the speed of cooling of furnace charge and control not only Effective Raise quality of item of speed of cooling, and enhance productivity and to save a large amount of energy and resource.
Summary of the invention
Be the deficiency that exists in order to overcome prior art, the invention provides a kind of heat treatment furnace with controlled internal recycle cooling system, it is poor to be intended to solve by the tradition stopping property of cooling system, and efficient is low, unstable properties, the problem such as improve the quality of products.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions: a kind of heat treatment furnace is with controlled internal recycle cooling system, comprise water cooler steel construction and heat treatment furnace, the top of described water cooler steel construction is provided with blast inlet and blast inlet gate valve, the bottom of described water cooler steel construction is provided with air outlet and air outlet gate valve, connects a linkage assembly between described air outlet gate valve and the described blast inlet gate valve; Side between described blast inlet and the described air outlet is provided with temperature control system, strainer, interchanger and recirculation blower successively, and opposite side is provided with flow guide system.
Further, described water cooler steel construction by described blast inlet be connected air outlet and be connected with described heat treatment furnace.
Further, an enclosed space being formed by shaped steel and steel plate butt welding of described water cooler steel construction.
Further, described water cooler steel construction top is provided with the gate valve drive unit.
Further, described blast inlet is attached with the thermometric resistance device.
Further, described interchanger is the water-cooled pipe type interchanger, and heat-eliminating medium adopts water, and material is that stainless steel is made.
Further, described strainer is divided into some, makes framework by stainless steel shaped steel for every, and fixing two-layer stainless steel steel wire in the middle of the framework is filled high temperature resistant non-woven fabrics in the middle of two-layer steel wire.
Principle of the present invention is as follows: this cooling system provides draft by a Wind Volume centrifugal blower, by centrifugal blower freezing air is forced to suck from blast pipe, hot blast passes through strainer via the blast pipe on water cooler top in the stove, be discharged in the wind pipe by fan outlet after water cooling heat exchanger cools off, have a bypass directly to lead to air outlet without interchanger at the blast pipe place.Enter in the stove after cold wind after the exchanger heat exchange and the hot blast of directly being come by bypass mix, so not only can avoid temperature to rise sharply cooling is destroyed, also avoid simultaneously cold wind directly to enter in the stove material is impacted.
Can realize air inlet pipeline and air outlet pipeline aperture control interlock according to the whole device of the sampled signal of temperature control system by linkage assembly.One thermometric hot resistance is installed near the blast pipe of water cooler, is used for inlet temperature is done monitoring, can control by the exhaust temperature signal of feedback the aperture of blast inlet gate valve and air outlet gate valve, thus the control speed of cooling.
Compared with prior art, the present invention has following beneficial effect:
The present invention not only can effectively control the furnace charge speed of cooling according to thermal treatment process; And the outer atmosphere contact of whole process of cooling discord stove, can satisfy the cooling requirement of various furnace gas atmosphere, the furnace charge that the easy oxidation of particularly suitable can only be cooled off in stove, this internal recycle cooling system structure is novel in addition, reliable, the furnace charge internal cooling that can be widely used in various heat treatment furnaces also can carry out improvement efficient to existing factory related facility according to this invention.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention.
Number in the figure explanation: 1, recirculation blower, 2, interchanger, 3, flow guide system, 4, temperature control system, 5, the blast inlet gate valve, 6, linkage assembly, 7, the air outlet gate valve, 8, the water cooler steel construction, 9, the gate valve drive unit, 10, strainer, 11, heat treatment furnace, 12, blast inlet, 13, air outlet.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Referring to shown in Figure 1, a kind of heat treatment furnace is with controlled internal recycle cooling system, comprise water cooler steel construction 8 and heat treatment furnace 11, the top of described water cooler steel construction 8 is provided with blast inlet 12 and blast inlet gate valve 5, the bottom of described water cooler steel construction 8 is provided with air outlet 13 and air outlet gate valve 7, connects a linkage assembly 6 between described air outlet gate valve 7 and the described blast inlet gate valve 5; Side between described blast inlet 12 and the described air outlet 13 is provided with temperature control system 4, strainer 10, interchanger 2 and recirculation blower 1 successively, and opposite side is provided with flow guide system 3.
Further, described water cooler steel construction 8 by described blast inlet 12 be connected air outlet 13 and be connected with described heat treatment furnace 11.
Further, an enclosed space being formed by shaped steel and steel plate butt welding of described water cooler steel construction 8.
Further, described water cooler steel construction 8 tops are provided with gate valve drive unit 9, described gate valve drive unit 9 drives described linkage assembly 6 and drives together the aperture variation that realizes gate valve, and described linkage assembly can realize that described blast inlet gate valve 5 and described air outlet gate valve 7 apertures are adjustable continuously.
Further, described blast inlet 12 is attached with the thermometric resistance device.
Further, described interchanger 2 is the water-cooled pipe type interchanger, is positioned at the blast inlet upstream of described recirculation blower 1, and heat-eliminating medium adopts water, and material is that stainless steel is made.
Further, described recirculation blower 1 is centrifugal blower.
Further, described strainer 10 is divided into some, makes framework by stainless steel shaped steel for every, and fixing two-layer stainless steel steel wire in the middle of the framework is filled high temperature resistant non-woven fabrics in the middle of two-layer steel wire.
This device at right angle setting is on the basis, workshop, described steel construction 8 is fixed on the basis, described recirculation blower 1 is fixed in the described steel construction 8 by steel structure support, and described recirculation blower 1 usefulness drive-motor is installed in steel construction external stability on described steel construction 8.
Specifically for the production of the time, before starting according to operational requirement check each parts normal errorless after, set specific temperature lowering curve, open whole system, whole bypass water cooler is started working, temperature lowering curve is as requested controlled cooling rate automatically, the whole bypass chiller system of autoshutdown after finishing.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the rights protection scope of the present invention.

Claims (7)

1. a heat treatment furnace is with controlled internal recycle cooling system, comprise water cooler steel construction (8) and heat treatment furnace (11), it is characterized in that: the top of described water cooler steel construction (8) is provided with blast inlet (12) and blast inlet gate valve (5), the bottom of described water cooler steel construction (8) is provided with air outlet (13) and air outlet gate valve (7), connects a linkage assembly (6) between described air outlet gate valve (7) and the described blast inlet gate valve (5); Side between described blast inlet (12) and the described air outlet (13) is provided with temperature control system (4), strainer (10), interchanger (2) and recirculation blower (1) successively, and opposite side is provided with flow guide system (3).
2. heat treatment furnace according to claim 1 is characterized in that with controlled internal recycle cooling system: described water cooler steel construction (8) by described blast inlet (12) be connected air outlet (13) and be connected with described heat treatment furnace (11).
3. heat treatment furnace according to claim 1 is characterized in that: the enclosed space that described water cooler steel construction (8) is formed by shaped steel and steel plate butt welding with controlled internal recycle cooling system.
4. heat treatment furnace according to claim 1 is with controlled internal recycle cooling system, and it is characterized in that: described water cooler steel construction (8) top is provided with gate valve drive unit (9).
5. heat treatment furnace according to claim 1 is with controlled internal recycle cooling system, and it is characterized in that: described blast inlet (12) is attached with the thermometric resistance device.
6. heat treatment furnace according to claim 1 is with controlled internal recycle cooling system, and it is characterized in that: described interchanger (2) is the water-cooled pipe type interchanger, and heat-eliminating medium adopts water, and material is that stainless steel is made.
7. heat treatment furnace according to claim 1 is with controlled internal recycle cooling system, it is characterized in that: described strainer (10) is divided into some, make framework by stainless steel shaped steel for every, fixing two-layer stainless steel steel wire in the middle of the framework is filled high temperature resistant non-woven fabrics in the middle of two-layer steel wire.
CN2011103291486A 2011-10-26 2011-10-26 Controllable internal circulation cooling system used in heat treatment furnace Pending CN103074480A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106793563A (en) * 2016-12-14 2017-05-31 深圳市新迪精密科技有限公司 The cooling device of the surface mounted welding of pcb board
CN107447099A (en) * 2016-05-31 2017-12-08 宝钢工业炉工程技术有限公司 Silicon strip steel heat treatment stove controls cooling section hot blast cooling device
CN113604635A (en) * 2021-07-27 2021-11-05 雷桂群 Tempering equipment for solar heat collector manufacturing system and tempering method thereof

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Publication number Priority date Publication date Assignee Title
CN2347084Y (en) * 1998-11-12 1999-11-03 北京科华绿色粮油食品发展中心 Air cooler
US6092389A (en) * 1997-10-15 2000-07-25 Stein Heurtey High rate cooling furnace for metal strips
CN1896498A (en) * 2005-07-14 2007-01-17 杨高 Air-inlet gate and air-outlet gate with controllable wind flow
CN200946156Y (en) * 2006-05-18 2007-09-12 天津鼎元工业炉新技术开发有限公司 Fast cooling device
DE19961208B4 (en) * 1999-12-18 2008-07-17 Air Liquide Deutschland Gmbh Apparatus and method for cooling workpieces by means of gas
CN201521405U (en) * 2009-09-22 2010-07-07 北京中能联创风电技术有限公司 Cooling system for gear box of wind generating set
CN201540034U (en) * 2009-11-25 2010-08-04 洛伊热工工程(天津)有限公司 High-temperature material gas ultra-fast injection cooling unit
CN201774771U (en) * 2010-07-12 2011-03-23 钟亚呋 Rack-mounted standard cabinet with internal circulating air duct
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
CN202359169U (en) * 2011-10-26 2012-08-01 苏州新长光热能科技有限公司 Controllable internal circulation cooling system for thermal treatment furnace

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6092389A (en) * 1997-10-15 2000-07-25 Stein Heurtey High rate cooling furnace for metal strips
CN2347084Y (en) * 1998-11-12 1999-11-03 北京科华绿色粮油食品发展中心 Air cooler
DE19961208B4 (en) * 1999-12-18 2008-07-17 Air Liquide Deutschland Gmbh Apparatus and method for cooling workpieces by means of gas
CN1896498A (en) * 2005-07-14 2007-01-17 杨高 Air-inlet gate and air-outlet gate with controllable wind flow
CN200946156Y (en) * 2006-05-18 2007-09-12 天津鼎元工业炉新技术开发有限公司 Fast cooling device
CN201521405U (en) * 2009-09-22 2010-07-07 北京中能联创风电技术有限公司 Cooling system for gear box of wind generating set
CN201540034U (en) * 2009-11-25 2010-08-04 洛伊热工工程(天津)有限公司 High-temperature material gas ultra-fast injection cooling unit
CN201774771U (en) * 2010-07-12 2011-03-23 钟亚呋 Rack-mounted standard cabinet with internal circulating air duct
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
CN202359169U (en) * 2011-10-26 2012-08-01 苏州新长光热能科技有限公司 Controllable internal circulation cooling system for thermal treatment furnace

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107447099A (en) * 2016-05-31 2017-12-08 宝钢工业炉工程技术有限公司 Silicon strip steel heat treatment stove controls cooling section hot blast cooling device
CN106793563A (en) * 2016-12-14 2017-05-31 深圳市新迪精密科技有限公司 The cooling device of the surface mounted welding of pcb board
CN106793563B (en) * 2016-12-14 2023-07-28 深圳市新迪精密科技有限公司 Cooling device for surface mounting and welding of PCB
CN113604635A (en) * 2021-07-27 2021-11-05 雷桂群 Tempering equipment for solar heat collector manufacturing system and tempering method thereof

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Application publication date: 20130501