CN115505715A - Gas type heat treatment furnace for producing pipeline parts - Google Patents

Gas type heat treatment furnace for producing pipeline parts Download PDF

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Publication number
CN115505715A
CN115505715A CN202211178523.6A CN202211178523A CN115505715A CN 115505715 A CN115505715 A CN 115505715A CN 202211178523 A CN202211178523 A CN 202211178523A CN 115505715 A CN115505715 A CN 115505715A
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China
Prior art keywords
furnace
pipeline
heat treatment
furnace body
gas
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CN202211178523.6A
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Chinese (zh)
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CN115505715B (en
Inventor
赵红玉
蔡金辉
孟庆云
韩丽
朱维兴
孙凤珍
孙瑞晓
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Hebei North Pipeline Industrial Technology Research Institute
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Hebei North Pipeline Industrial Technology Research Institute
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Publication of CN115505715A publication Critical patent/CN115505715A/en
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)

Abstract

The invention discloses a gas type heat treatment furnace for producing pipeline parts, which relates to the field of pipeline processing and mainly comprises a furnace body, wherein a furnace chamber in the furnace body is used for carrying out heat treatment on the pipeline parts; the gas generating furnace is arranged outside the furnace body and used for providing high-temperature flue gas for the furnace body; the trolley is positioned below the furnace body and used for carrying and placing the pipeline parts to be subjected to heat treatment; the furnace body furnace is characterized in that a bottom frame is laid below the trolley, a track is erected at the upper end of the bottom frame, a hanging frame is arranged above the front end of the furnace body, a furnace door is hung on the inner side of the hanging frame, tires are arranged below the trolley and matched with the track, two groups of chassis are arranged at the upper end of the trolley, an air inlet pipe is arranged on the chassis, and pipeline supporting columns are uniformly distributed around the air inlet pipe, so that the furnace body furnace has the beneficial effects that: the stacking and fixing of the pipeline components are more convenient, the pipeline components with different sizes can be conveniently processed, and the stacked pipeline components can be prevented from collapsing in the processing process.

Description

Gas type heat treatment furnace for producing pipeline parts
Technical Field
The invention relates to the field of pipeline part processing, in particular to a gas type heat treatment furnace for producing pipeline parts.
Background
Before a metal pipe member is put into actual use, it needs to be heat-treated to have a desired use strength.
In the existing heat treatment furnace for pipeline components, pipelines are mostly stacked on a trolley platform, the trolley drives into a furnace body, then the furnace body is closed, and heat treatment is carried out by high-temperature gas in the furnace body.
This kind of pipeline part mode of processing for the pipeline is difficult to the thermally equivalent because the pipeline piles up in a large number, and appears local overheated condition easily, lacks the fixed to the pipeline simultaneously, and in the platform truck went into and out and heat treatment process, the easy emergence of the pipeline that piles collapses.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a gas-fired heat treatment furnace for producing pipeline components.
In order to achieve the purpose, the invention provides the following technical scheme: a gas fired heat treatment furnace for producing a pipe member, comprising:
a furnace body in which a furnace chamber performs heat treatment on the pipe member;
the gas generator is arranged outside the furnace body and used for providing high-temperature flue gas for the furnace body;
the trolley is positioned below the furnace body and used for carrying and placing the pipeline parts to be subjected to heat treatment;
the furnace body is characterized in that a bottom frame is laid below the trolley, a track is erected at the upper end of the bottom frame, a hanging frame is arranged above the front end of the furnace body, a furnace door is hung on the inner side of the hanging frame, tires are arranged below the trolley and matched with the track, two groups of chassis are arranged at the upper end of the trolley, an air inlet pipe is arranged on the chassis, and pipeline supporting columns are uniformly distributed around the air inlet pipe.
As a still further scheme of the invention: the utility model discloses a heat treatment furnace, including furnace body, high temperature flue gas inlet pipe, air-blower, a large amount of high temperature flue gas are piled up in the furnace body upper portion because self density reason after heat treatment furnace begins to work, the air-blower can inhale these high temperature flue gases from high temperature flue gas inlet pipe, follow high temperature flue gas outlet pipe and discharge afterwards for the high temperature flue gas fully participates in the thermal treatment, high temperature flue gas inlet pipe below is provided with the reducing valve.
As a still further scheme of the invention: the inside flabellum pivot that is provided with of intake pipe, be provided with spiral flabellum in the flabellum pivot, intake pipe inner wall evenly distributed has the venthole, pipeline pillar below fixedly connected with gear, the inside gear pivot that is provided with of gear, the chassis outside encircles and distributes and has the rodent.
As a still further scheme of the invention: the pipeline supporting column is characterized in that a pressing shaft is arranged at the upper end of the pipeline supporting column, sliding grooves are fixed on two sides of the pressing shaft, springs are arranged inside the sliding grooves and connected with positioning supporting rods, positioning grooves matched with the positioning supporting rods are formed in the inner wall of the pipeline supporting column, a pressing block is connected to the lower end of the pressing shaft, a supporting block is arranged at the bottom of the pipeline supporting column, and a supporting frame is connected to the supporting block.
Compared with the prior art, the invention has the beneficial effects that: the stacking and fixing of the pipeline components are more convenient, the pipeline components with different sizes can be conveniently processed, the stacked pipeline components can be prevented from collapsing in the processing process, meanwhile, the high-temperature flue gas is more fully utilized, the pipeline components are heated more uniformly during heat treatment, and the phenomenon of local overheating cannot occur.
1. The pipeline is more convenient to place through the pipeline support columns and the support frames matched with the pipeline support columns, and the extending length of the support frames can be changed, so that the pipelines with different sizes can be conveniently fixed and processed, and the applicability of the equipment is improved;
2. through setting up the chassis and the helical fan blade of being connected with the chassis for can drive the chassis and rotate when high temperature flue gas gets into the intake pipe, further make the pipeline pillar on the chassis rotate, pipeline pillar bottom is provided with the gear simultaneously, and the chassis outside is provided with the rodent of mutually supporting with the gear, can drive the pipeline pillar further rotatory, makes the pipeline be heated evenly.
Drawings
FIG. 1 is a schematic view of the main body of the present invention;
FIG. 2 is a schematic view of the internal structure of the furnace body according to the present invention;
FIG. 3 is a schematic view of the base pan of the present invention;
FIG. 4 is a cross-sectional view of an intake manifold according to the present invention;
fig. 5 is a schematic view of the interior of the conduit leg of the present invention in greater detail.
In the figure: 1. a furnace body; 101. an air outlet pipe; 102. a high-temperature flue gas inlet pipe; 103. a high-temperature flue gas outlet pipe; 104. a pressure reducing valve; 2. a gas generating furnace; 3. a trolley; 301. a tire; 4. a chassis; 5. a track; 6. a hanger;
7. a furnace door; 8. a chassis; 9. an air inlet pipe; 901. a fan blade rotating shaft; 902. a helical fan blade; 903. a gear; 904. a gear shaft; 905. a rodent; 906. an air outlet; 10. a pipe support; 1001. pressing the shaft; 1002. a chute; 1003. a spring; 1004. positioning the support rod; 1005. positioning a groove; 1006. briquetting; 1007. a supporting block; 1008. a support frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.
Referring to fig. 1 to 5, in an embodiment of the present invention, a gas-fired heat treatment furnace for producing a pipe member includes:
a furnace body 1 for heat-treating a piping member in a furnace chamber inside the furnace body; the gas generator 2 is arranged outside the furnace body 1 and provides high-temperature flue gas; the trolley 3 is positioned below the furnace body 1; an air outlet pipe 101 is arranged at the upper end of the furnace body 1, a high-temperature flue gas inlet pipe 102 is arranged at the upper part of one side of the furnace body 1, a high-temperature flue gas outlet pipe 103 is arranged at the lower part of the other side of the furnace body 1, a pressure reducing valve 104 is arranged below the high-temperature flue gas inlet pipe 102, a bottom frame 4 is laid below the trolley 3, a track 5 is erected at the upper end of the bottom frame 4, tires 301 are arranged below the trolley 3, the tires 301 are matched with the track 5, a hanging bracket 6 is arranged above the front end of the furnace body 1, a furnace door 7 is hung at the inner side of the hanging bracket 6, two groups of chassis 8 are arranged at the upper end of the trolley 3, an air inlet pipe 9 is arranged on the chassis 8, and pipeline support columns 10 are uniformly distributed around the air inlet pipe 9.
Please refer to fig. 1, a motor is disposed inside the protruding portion at the front end of the trolley 3, the motor drives the tire 301 to rotate, and when the trolley 3 drives into the furnace body 1, the protruding portion is located outside the furnace body 1, so as to prevent the motor from entering the furnace body 1 and being damaged by heat.
Please refer to fig. 3, the blade rotating shaft 901 is fixedly connected to the chassis 8, the chassis 8 is rotatably connected to the trolley 3, the gear rotating shaft 904 is fixedly connected to the chassis 8, the gear 903 is rotatably connected to the gear rotating shaft 904 and the chassis 8, and the gear 905 mutually matching with the gear 903 is circumferentially distributed on the outer side of the chassis 8.
The working principle of the invention is as follows: when the pipeline parts need to be subjected to heat treatment, the different sizes of the inner diameters of the pipelines are increased, the extending length of the supporting frame 1008 is adjusted in advance, the specific method is that the pressing shaft 1001 is pressed or pulled, the pressing shaft 1001 drives the positioning supporting rod 1004 to move up and down, the positioning supporting rod 1004 moves up and down to drive the pressing block 1006 to move, so that the distance between the supporting blocks 1007 can be controlled, the extending length of the supporting frame 1008 is adjusted, after the adjustment is completed, the spring 1003 in the sliding groove 1002 pushes and presses the positioning supporting rod 1004 forwards and fixes the positioning supporting rod 1004 in the positioning groove 1005, then the pipeline parts are placed on the pipeline supporting column 10, the starting motor drives the trolley 3 to move into the furnace body 1, then the furnace door 7 falls down to seal the inner space of the furnace body 1, at the moment, the gas outlet pipe 101 is attached to the gas inlet pipe 9, the gas producer 2 sends high-temperature flue gas into the gas inlet pipe 9 from the gas outlet pipe 101, and the high-temperature flue gas drives the spiral fan blade 902 to rotate, thereby the chassis 8 rotates, the inner wall of the air inlet pipe 9 is provided with an air outlet hole 906, high-temperature flue gas flows out from the air outlet hole 906 to heat pipeline parts positioned on the pipeline support post 10, the chassis 8 rotates to drive the pipeline support post 10 positioned on the chassis 8 to rotate, under the mutual matching of the gear 903 at the bottom of the pipeline support post 10 and the grinding teeth 905, the pipeline support post 10 can rotate to lead the heating to be more uniform, meanwhile, in the heating process, the high-temperature flue gas is accumulated on the upper part of the furnace body 1 because of the low density of the high-temperature flue gas, the high-temperature flue gas can be sucked in from the high-temperature flue gas inlet pipe by the blower and discharged from the high-temperature flue gas outlet pipe positioned at the lower part of the furnace body 1, the high-temperature flue gas participates in the heat treatment again, the utilization rate of the high-temperature flue gas is improved, meanwhile, the lower part of the furnace body 1 is provided with a pressure reducing valve 104, when the furnace pressure inside the furnace body 1 is too high, the pressure reducing valve 104 can be opened, part of high-temperature flue gas is discharged, and a waste heat treatment device is connected to the outside of the pressure reducing valve 104.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (10)

1. A gas fired heat treatment furnace for producing a pipe member, comprising:
a furnace body (1);
the gas generating furnace (2) is arranged outside the furnace body (1);
the trolley (3) is positioned below the furnace body (1);
the furnace is characterized in that an underframe (4) is laid below the trolley (3), a track (5) is erected on the upper end of the underframe (4), a hanging bracket (6) is arranged above the front end of the furnace body (1), a furnace door (7) is hung on the inner side of the hanging bracket (6), two groups of chassis (8) are arranged on the upper end of the trolley (3), an air inlet pipe (9) is arranged on the chassis (8), and pipeline supporting columns (10) are uniformly distributed around the air inlet pipe (9).
2. The gas-fired heat treatment furnace for the production of pipeline components according to claim 1, wherein an outlet pipe (101) is arranged at the upper end of the furnace body (1), a high-temperature flue gas inlet pipe (102) is arranged at the upper part of one side of the furnace body (1), a high-temperature flue gas outlet pipe (103) is arranged at the lower part of the other side of the furnace body (1), and a pressure reducing valve (104) is arranged below the high-temperature flue gas inlet pipe (102).
3. A gas fired heat treatment furnace for production of pipe sections according to claim 1, characterized in that tires (301) are arranged under the trolley (3), said tires (301) being fitted with rails (5).
4. The gas-fired heat treatment furnace for the production of pipeline components as claimed in claim 1, wherein a fan blade rotating shaft (901) is arranged inside the air inlet pipe (9), the fan blade rotating shaft (901) is fixedly connected with the chassis (8), the fan blade rotating shaft (901) is provided with a spiral fan blade (902), and air outlet holes (906) are uniformly distributed on the inner wall of the air inlet pipe (9).
5. The gas fired heat treatment furnace for producing pipeline components according to claim 1, wherein a gear (903) is fixedly connected below the pipeline support column (10), a gear rotating shaft (904) is arranged inside the gear (903), and the outside of the chassis (8) is circumferentially distributed with a plurality of engaging teeth (905).
6. The gas fired heat treatment furnace for producing pipeline components according to claim 1, wherein a pressing shaft (1001) is arranged at the upper end of the pipeline support column (10), sliding grooves (1002) are fixed at two sides of the pressing shaft (1001), a spring (1003) is arranged inside each sliding groove (1002), a positioning support rod (1004) is connected to each spring (1003), a positioning groove (1005) matched with the positioning support rod (1004) is arranged on the inner wall of the pipeline support column (10), a pressing block (1006) is connected to the lower end of the pressing shaft (1001), a supporting block (1007) is arranged at the bottom of the pipeline support column (10), and a supporting frame (1008) is connected to each supporting block (1007).
7. The gas fired heat treatment furnace for the production of piping parts according to claim 1, wherein said gas generating furnace (2) is internally provided with a pipe communicating with the gas outlet pipe (101).
8. The gas fired heat treatment furnace for producing pipeline parts according to claim 1, wherein the high temperature flue gas inlet pipe (102) and the high temperature flue gas outlet pipe (103) are communicated by a pipeline, and a blower is arranged inside the pipeline.
9. A gas fired heat treatment furnace for producing pipeline parts according to claim 1, wherein the gas outlet pipe (101) and the gas inlet pipe (9) are connected to each other in a vertical direction and closed after the cart (3) is driven into the furnace body (1).
10. A gas fired heat treatment furnace for production of pipe sections according to claim 6 characterized in that said support blocks (1007) are connected by return springs.
CN202211178523.6A 2022-09-26 2022-09-26 Gas type heat treatment furnace for producing pipeline components Active CN115505715B (en)

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CN202211178523.6A CN115505715B (en) 2022-09-26 2022-09-26 Gas type heat treatment furnace for producing pipeline components

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Application Number Priority Date Filing Date Title
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CN115505715B CN115505715B (en) 2023-10-24

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202208747U (en) * 2011-07-29 2012-05-02 常州和圆钢管有限公司 Steel pipe heat-treatment furnace
KR101240349B1 (en) * 2012-09-07 2013-03-07 이봉임 A heat processing method and apparatus for rod-shaped work with induction heating
JP5681253B1 (en) * 2013-09-13 2015-03-04 中外炉工業株式会社 Tube heat treatment equipment
CN106048197A (en) * 2016-08-01 2016-10-26 河南省天利工业炉有限公司 Hot air circulating type trolley gas preheating furnace
CN106987701A (en) * 2017-06-02 2017-07-28 江苏兴洋管业股份有限公司 A kind of stainless steel pipe solid solution heat treatment device
CN111876577A (en) * 2020-09-15 2020-11-03 大连万通能源装备有限公司 Special trolley for multi-station vertical cast tube annealing furnace and trolley type annealing furnace
CN112063821A (en) * 2020-08-13 2020-12-11 刘雄 Metal pipe surface heat treatment device
CN215925024U (en) * 2021-05-24 2022-03-01 浙江传播者金属装饰材料有限公司 Heat treatment device for steel pipe production
CN217052320U (en) * 2022-04-21 2022-07-26 山东省嘉铭精工科技有限公司 Semi-hard copper pipe processing annealing device
CN114854973A (en) * 2022-04-26 2022-08-05 赵银峰 Vertical annealing equipment for nodular cast iron pipe
CN217297953U (en) * 2022-03-29 2022-08-26 长兴鸿达炉业科技有限公司 Efficient energy-saving aging furnace

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202208747U (en) * 2011-07-29 2012-05-02 常州和圆钢管有限公司 Steel pipe heat-treatment furnace
KR101240349B1 (en) * 2012-09-07 2013-03-07 이봉임 A heat processing method and apparatus for rod-shaped work with induction heating
JP5681253B1 (en) * 2013-09-13 2015-03-04 中外炉工業株式会社 Tube heat treatment equipment
CN106048197A (en) * 2016-08-01 2016-10-26 河南省天利工业炉有限公司 Hot air circulating type trolley gas preheating furnace
CN106987701A (en) * 2017-06-02 2017-07-28 江苏兴洋管业股份有限公司 A kind of stainless steel pipe solid solution heat treatment device
CN112063821A (en) * 2020-08-13 2020-12-11 刘雄 Metal pipe surface heat treatment device
CN111876577A (en) * 2020-09-15 2020-11-03 大连万通能源装备有限公司 Special trolley for multi-station vertical cast tube annealing furnace and trolley type annealing furnace
CN215925024U (en) * 2021-05-24 2022-03-01 浙江传播者金属装饰材料有限公司 Heat treatment device for steel pipe production
CN217297953U (en) * 2022-03-29 2022-08-26 长兴鸿达炉业科技有限公司 Efficient energy-saving aging furnace
CN217052320U (en) * 2022-04-21 2022-07-26 山东省嘉铭精工科技有限公司 Semi-hard copper pipe processing annealing device
CN114854973A (en) * 2022-04-26 2022-08-05 赵银峰 Vertical annealing equipment for nodular cast iron pipe

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胡磊等: "《9%Cr钢厚壁管道局部焊后热处理温度场的数值模拟》", 《焊接学报》, vol. 36, no. 12, pages 13 - 16 *

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