CN107794360B - Heat treatment equipment for TP410 seamless tube - Google Patents
Heat treatment equipment for TP410 seamless tube Download PDFInfo
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- CN107794360B CN107794360B CN201711181496.7A CN201711181496A CN107794360B CN 107794360 B CN107794360 B CN 107794360B CN 201711181496 A CN201711181496 A CN 201711181496A CN 107794360 B CN107794360 B CN 107794360B
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- furnace
- furnace shell
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- hot air
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
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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)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses heat treatment equipment for TP410 seamless pipes, which comprises a furnace shell provided with a furnace chamber, a heater, a bracket, a hot air circulation mechanism and a rotating mechanism, wherein the furnace shell is provided with a furnace door, the furnace shell is provided with the rotating mechanism on the rear wall of the furnace chamber, the rotating mechanism consists of a rotary table, a belt wheel, a driving belt and a servo motor, the furnace shell is also provided with the hot air circulation mechanism communicated with the furnace chamber, the bracket for placing the seamless pipes is arranged in the furnace chamber and is connected with the rotary table on the rotating mechanism in a matched manner, and the inner wall of the furnace chamber is provided with the heater. The invention adopts the hot air circulation mechanism to ensure that the temperature in the hearth is more uniform, prevents the occurrence of temperature difference, and ensures that the steel pipe on the bracket is suspended and can rotate along with the turntable on the rotation mechanism by the structural design of the rotation mechanism and the bracket, thereby greatly improving the heat treatment uniformity of the steel pipe and being beneficial to the steel pipe to obtain the optimal processing shaping and the mechanical property of the finished product.
Description
Technical Field
The invention relates to the technical field of heat treatment of steel pipes, in particular to heat treatment equipment of TP410 seamless pipes.
Background
A seamless tube is a long steel material having a hollow cross section and no seam at the periphery. The stainless steel seamless tube has the following characteristics: firstly, the thicker the wall thickness of the product is, the more economical and practical the thinner the wall thickness is, the more the processing cost is increased; secondly, the process of the product determines the limitation performance of the product, and the precision of a general seamless steel tube is low: the wall thickness is uneven, the brightness of the surface light inside and outside the pipe is low, the fixed-length cost is high, and the pits and black spots on the inner and outer surfaces are not easy to remove; thirdly, its detection and shaping must be handled off-line. Therefore, it has the advantages in the aspects of high pressure, high strength and mechanical structural materials.
TP410 pierced billets can be processed into seamless tube finished products after multiple processing, including heat treatment. The good heat treatment process can obtain the optimal processing shaping and the mechanical properties of the finished product. However, the prior pierced billets have the problem of uneven heating in the heat treatment process, so that the quality of the same finished product is uneven. In order to solve the above problems, it is necessary to propose a heat treatment apparatus for TP410 seamless pipes.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides heat treatment equipment for TP410 seamless pipes, which aims to solve the technical problem that in the prior art, the quality of the same finished product is nonuniform due to nonuniform heating of the pierced billet in the heat treatment process.
In order to achieve the above purpose, the invention provides heat treatment equipment for TP410 seamless pipes, which comprises a furnace shell provided with a hearth, a heater, a bracket, a hot air circulation mechanism and a rotating mechanism, wherein the furnace shell is provided with a furnace door, the furnace shell is provided with the rotating mechanism on the rear wall of the hearth, the rotating mechanism consists of a turntable, a belt wheel, a driving belt and a servo motor, the furnace shell is also provided with the hot air circulation mechanism communicated with the hearth, the bracket for placing the seamless pipes is arranged in the hearth and is connected with the turntable on the rotating mechanism in a matching way, and the heater is arranged on the inner wall of the hearth.
Preferably, the rotary table is rotatably arranged on the rear wall of the furnace shell and opposite to the center of the hearth, a belt wheel is fixedly arranged at the rear end of the rotary table, the belt wheel is in transmission connection with the servo motor through a transmission belt, and the servo motor is fixedly arranged at the top of the outer part of the furnace shell.
Preferably, the hot air circulation mechanism is composed of a fan, upper fan blades and a hot air pipe, the fan is fixed at the top of the furnace shell, an output shaft of the fan is communicated with the furnace chamber, the upper fan blades are arranged on the output shaft, air channels communicated with the furnace chamber are arranged at the front and rear parts of the furnace shell, the hot air pipe is arranged at the top of the furnace chamber, and the front and rear ports of the hot air pipe are respectively connected with the air channels arranged at the front and rear parts of the furnace shell.
Preferably, the upper fan blade is arranged near one of the air channels.
Preferably, the bracket comprises a rear supporting plate, a central connecting column, a front supporting plate and a supporting frame, wherein the center of the rear supporting plate is connected with the center of the front supporting plate through the central connecting column, a hexagonal boss is arranged at the rear part of the rear supporting plate, a hexagonal sinking groove is arranged at the center of the front end of the rotary table, the rear supporting plate is embedded in the hexagonal sinking groove through the hexagonal boss to be matched and connected with the rotary table, the front supporting plate is matched and connected with the supporting frame through a bearing, a plurality of fixed inserting columns are uniformly distributed on the rear end face of the front supporting plate, a plurality of column holes corresponding to the fixed inserting columns are formed in the rear supporting plate, a movable inserting column is arranged in each column hole, the bracket further comprises a top plate, a plurality of top columns corresponding to the column holes are arranged on the front end face of the top plate, and the top plate is arranged at the rear part of the rear supporting plate through a fastener.
Preferably, the furnace shell and the furnace door are formed by assembling and welding profile steel and stainless steel plates, the middle layers of the furnace shell and the furnace door are respectively provided with a heat preservation furnace lining layer, the furnace door is movably connected with the furnace shell through a hinge, the furnace door is provided with a door handle, and the furnace shell is provided with a plurality of locking mechanisms at the edge of the furnace door.
Preferably, the locking mechanism is composed of a threaded column and a pressing hand wheel, one end of the threaded column is movably hinged with the furnace shell, the pressing hand wheel is connected with the threaded column in a threaded fit manner, a plurality of opening clamping holes for embedding the threaded column are formed in the edge of the furnace door, and each opening clamping hole corresponds to one locking mechanism.
Preferably, the furnace shell is also fixedly provided with a temperature sensor, the induction end of the temperature sensor is communicated with the hearth, and the top of the furnace shell is also provided with an oil fume exhaust pipe communicated with the hearth.
The invention has the beneficial effects that: compared with the prior art, the heat treatment equipment for the TP410 seamless pipe provided by the invention has the advantages that the structure is reasonable, the temperature inside a hearth is more uniform by adopting the hot air circulation mechanism, the problem of low heat treatment quality of the steel pipe caused by temperature difference is prevented, the steel pipe on the bracket can be suspended by adopting the structural design of the rotating mechanism and the bracket, and can rotate along with the turntable on the rotating mechanism, so that the heat treatment uniformity of the steel pipe is greatly improved, the heat treatment quality of the steel pipe is improved, and the steel pipe is facilitated to obtain the optimal mechanical properties of the finished product and the shaping.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of a heat treatment apparatus for TP410 seamless tubes in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view showing the structure of a heat treatment apparatus for TP410 seamless pipes according to an embodiment of the present invention;
FIG. 3 is a rear view of a heat treatment apparatus for TP410 seamless tubes in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged partial view of portion A of FIG. 2;
fig. 5 is a partial enlarged view of a portion B in fig. 1.
Detailed Description
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Referring to fig. 1 to 5, an embodiment of the present invention provides a heat treatment apparatus for TP410 seamless pipes, which includes a furnace shell 1 provided with a furnace 10, a heater 2, a bracket 3, a hot air circulation mechanism 4 and a rotating mechanism 5, wherein the furnace shell 1 is provided with a furnace door 11, the furnace shell 1 is provided with the rotating mechanism 5 on the rear wall of the furnace 10, the rotating mechanism 5 is composed of a turntable 51, a belt pulley 52, a driving belt 53 and a servo motor 54, the furnace shell 1 is further provided with the hot air circulation mechanism 4 communicated with the furnace 10, the bracket 3 for placing seamless pipes is arranged in the furnace 10 and is in cooperation connection with the turntable 51 on the rotating mechanism 5, and the inner wall of the furnace 10 is provided with the heater 2.
The rotary table 51 is rotatably mounted on the rear wall of the furnace shell 1 and opposite to the center of the hearth 10, a belt wheel 52 is fixedly mounted at the rear end of the rotary table 51, the belt wheel 52 is in transmission connection with a servo motor 54 through a transmission belt 53, and the servo motor 54 is fixedly mounted at the top of the outside of the furnace shell 1.
Further, the hot air circulation mechanism 4 is composed of a fan 41, an upper fan blade 42 and a hot air pipe 43, the fan 41 is fixed at the top of the furnace shell 1, an output shaft of the fan 41 is communicated with the furnace 10, the upper fan blade 42 is installed on the output shaft, air channels 12 communicated with the furnace 10 are arranged at the front and rear parts of the furnace shell 1, the hot air pipe 43 is installed at the top of the furnace 10, the front and rear end openings of the hot air pipe 43 are respectively connected with the air channels 12 arranged at the front and rear parts of the furnace shell 1, and the upper fan blade 42 is arranged near one of the air channels 12.
Further, the bracket 3 is composed of a rear supporting plate 31, a central connecting column 32, a front supporting plate 33 and a supporting frame 34, the center of the rear supporting plate 31 is connected with the center of the front supporting plate 33 through the central connecting column 32, a hexagonal boss 311 is arranged at the rear part of the rear supporting plate 31, a hexagonal sinking groove 511 is arranged at the center of the front end of the rotary plate 51, the rear supporting plate 31 is embedded in the hexagonal sinking groove 511 through the hexagonal boss 311 to be connected with the rotary plate 51 in a matched manner, the front supporting plate 33 is connected with the supporting frame 34 through a bearing in a matched manner, a plurality of fixed inserting columns 331 are uniformly distributed on the rear end face of the front supporting plate 33, a plurality of column holes 312 corresponding to the fixed inserting columns 331 are formed in the rear supporting plate 31, a movable inserting column 313 is arranged in each column hole 312, the bracket 3 further comprises a top plate 35, a plurality of top columns 351 corresponding to the column holes 312 are arranged on the front end face of the top plate 35, and the top plate 35 is mounted at the rear part of the rear supporting plate 31 through a fastener.
Furthermore, the furnace shell 1 and the furnace door 11 are formed by assembling and welding profile steel and stainless steel plates, a heat preservation furnace lining layer 13 is arranged in the middle layers of the furnace shell 1 and the furnace door 11, the furnace door 11 is movably connected with the furnace shell 1 through a hinge 14, a door handle 15 is arranged on the furnace door 11, the furnace shell 1 is provided with a plurality of locking mechanisms 16 at the edge of the furnace door 11, the locking mechanisms 16 are composed of threaded columns 161 and a pressing hand wheel 162, one end of the threaded columns 161 is movably hinged with the furnace shell 1, the pressing hand wheel 162 is connected with the threaded columns 161 in a threaded fit manner, a plurality of opening clamping holes 111 for embedding the threaded columns 161 are formed in the edge of the furnace door 11, each opening clamping hole 111 corresponds to one locking mechanism 16, the furnace shell 1 is fixedly provided with a temperature sensor 6, the sensing end of the temperature sensor 6 is communicated with a hearth 10, and the top of the furnace shell 1 is further provided with a smoke exhaust pipe 7 communicated with the hearth 10.
The working process of the invention comprises the following steps:
in the working process of the heat treatment equipment of the TP410 seamless pipe, the front end and the rear end of a steel pipe to be heat treated are respectively inserted into the fixed inserting column 331 of the corresponding front supporting plate 33 and the movable inserting column 313 of the rear supporting plate 31, the steel pipe is suspended, after the inserting columns are used up or the steel pipe to be heat treated is fixed, the top plate 35 is fixed on the rear supporting plate 31 to prop against the movable inserting column 313, so that the steel pipe falls off in the heat treatment process, the bracket 3 provided with the steel pipe is pushed into the hearth 10, the hexagonal boss 311 on the rear supporting plate 31 is embedded in the hexagonal countersink 511 of the turntable 51, the furnace door 11 is closed, the heater 2, the servo motor 54 and the fan 41 are started, the front temperature and the rear temperature in the hearth 10 are uniformly conducted through the cooperation of the fan 41 and the hot air pipe 43, the local temperature is prevented from being high and low, the servo motor 54 drives the turntable 51 to rotate through the driving belt 53, the rear supporting plate 31, the center connecting column 32 and the front supporting plate 33 on the bracket 3 are simultaneously rotated through the turntable 51, the steel pipe 3 is driven by the turntable 51, the quality of the steel pipe is uniformly heated, and the large quality is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The utility model provides a heat treatment equipment of TP410 seamless tube, includes stove outer covering (1) that is provided with furnace (10), heater (2), bracket (3), hot air circulation mechanism (4) and slewing mechanism (5), its characterized in that: the furnace shell (1) is provided with a furnace door (11), the furnace shell (1) is provided with a rotating mechanism (5) on the rear wall of the furnace chamber (10), the rotating mechanism (5) is composed of a rotary table (51), a belt pulley (52), a driving belt (53) and a servo motor (54), the furnace shell (1) is also provided with a hot air circulating mechanism (4) communicated with the furnace chamber (10), the bracket (3) for placing a seamless pipe is arranged in the furnace chamber (10) and is connected with the rotary table (51) on the rotating mechanism (5) in a matching way, the inner wall of the furnace chamber (10) is provided with a heater (2), the rotary table (51) is rotatably arranged on the rear wall of the furnace shell (1) and is opposite to the center of the furnace chamber (10), the rear end of the rotary table (51) is fixedly provided with the belt pulley (52), the belt pulley (52) is in driving connection with the servo motor (54) through the driving belt (53), the servo motor (54) is fixedly arranged outside the furnace shell (1), the center (31) is connected with the center (33) of the front support frame (33) of the support frame (33) through the center (33) of the bracket (33), the rear portion of back layer board (31) be provided with hexagonal boss (311), the front end center of carousel (51) be provided with hexagonal countersink (511), back layer board (31) inlay in hexagonal countersink (511) through hexagonal boss (311) realize being connected with carousel (51) cooperation, preceding layer board (33) pass through bearing and support frame (34) cooperation and be connected, the rear end equipartition of preceding layer board (33) have a plurality of fixed post (331), back layer board (31) on seted up a plurality of post holes (312) corresponding with fixed post (331), all be provided with a movable post (313) in every post hole (312), bracket (3) still include roof (35), the front end face of roof (35) on be provided with a plurality of post (351) corresponding with post hole (312), roof (35) install the rear portion at back layer board (31) through the fastener.
2. A heat treatment apparatus for TP410 seamless pipes according to claim 1, wherein: the hot air circulation mechanism (4) comprises a fan (41), an upper fan blade (42) and a hot air pipe (43), wherein the fan (41) is fixed at the top of the furnace shell (1), an output shaft of the fan (41) is communicated with the furnace chamber (10), the upper fan blade (42) is installed on the output shaft, the front and rear parts of the furnace shell (1) are respectively provided with an air channel (12) communicated with the furnace chamber (10), the hot air pipe (43) is installed at the top of the furnace chamber (10), and front and rear ports of the hot air pipe (43) are respectively connected with the air channels (12) arranged at the front and rear parts of the furnace shell (1).
3. A heat treatment apparatus for TP410 seamless pipes according to claim 2, wherein: the upper fan blade (42) is arranged near one of the air channels (12).
4. A heat treatment apparatus for TP410 seamless pipes according to claim 1, wherein: furnace shell (1) and furnace gate (11) form by shaped steel and corrosion resistant plate group welding, and the intermediate level of furnace shell (1) and furnace gate (11) all is equipped with one deck heat preservation stove lining (13), furnace gate (11) pass through hinge (14) and furnace shell (1) swing joint, furnace gate (11) on be provided with door handle (15), furnace shell (1) be provided with a plurality of locking mechanism (16) in the edge of furnace gate (11).
5. A heat treatment apparatus for TP410 seamless tubes according to claim 4, wherein: the locking mechanism (16) is composed of a threaded column (161) and a pressing hand wheel (162), one end of the threaded column (161) is movably hinged with the furnace shell (1), the pressing hand wheel (162) is connected with the threaded column (161) in a threaded fit mode, a plurality of opening clamping holes (111) for embedding the threaded column (161) are formed in the edge of the furnace door (11), and each opening clamping hole (111) corresponds to one locking mechanism (16).
6. A heat treatment apparatus for TP410 seamless pipes according to claim 1, wherein: the furnace shell (1) is also fixedly provided with a temperature sensor (6), the induction end of the temperature sensor (6) is communicated with the hearth (10), and the top of the furnace shell (1) is also provided with an oil fume exhaust pipe (7) communicated with the hearth (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711181496.7A CN107794360B (en) | 2017-11-23 | 2017-11-23 | Heat treatment equipment for TP410 seamless tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711181496.7A CN107794360B (en) | 2017-11-23 | 2017-11-23 | Heat treatment equipment for TP410 seamless tube |
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| Publication Number | Publication Date |
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| CN107794360A CN107794360A (en) | 2018-03-13 |
| CN107794360B true CN107794360B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711181496.7A Active CN107794360B (en) | 2017-11-23 | 2017-11-23 | Heat treatment equipment for TP410 seamless tube |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108588381A (en) * | 2018-06-15 | 2018-09-28 | 江苏英杰铝业有限公司 | Tubulose aluminium section bar annealing device |
| CN117286324A (en) * | 2023-10-07 | 2023-12-26 | 常州普江不锈钢管有限公司 | Metal pipe surface heat treatment processing device and processing method |
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| JP5143507B2 (en) * | 2007-09-03 | 2013-02-13 | Ｊｆｅスチール株式会社 | Continuous heating furnace |
| DE102009038598B4 (en) * | 2009-08-26 | 2017-06-22 | Ipsen International Gmbh | Process and device for the treatment of process gases for heat treatment of metallic materials / workpieces in industrial furnaces |
| CN102010971B (en) * | 2010-12-07 | 2012-02-29 | 苏州中门子科技有限公司 | All-hydrogen thermal treatment furnace of nuclear safety pipe |
| CN203112891U (en) * | 2013-03-18 | 2013-08-07 | 杭州萧山众汇工业电炉厂 | Chain type aluminum wire annealing furnace |
| CN103757192B (en) * | 2014-02-24 | 2015-06-24 | 南京长江工业炉科技有限公司 | Residual heat utilizing pusher furnace |
| CN204111826U (en) * | 2014-10-29 | 2015-01-21 | 杭州通绿机械有限公司 | The continuous normalizing air cooling equipment of a kind of external ball cage |
| CN204958995U (en) * | 2015-08-12 | 2016-01-13 | 河北新中联特种钢管股份有限公司 | Steel pipe annealing stove air circulation system |
| CN206131725U (en) * | 2016-10-19 | 2017-04-26 | 南京宝钻热处理有限公司 | Anticorrosive coating coating heating furnace in pipe fitting |
| CN106868266B (en) * | 2017-02-21 | 2018-07-13 | 中山市大地金属有限公司 | A kind of bar quenching processing transmission device |
| CN207512222U (en) * | 2017-11-23 | 2018-06-19 | 浙江中达特钢股份有限公司 | A kind of Equipment for Heating Processing of TP410 seamless pipes |
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2017
- 2017-11-23 CN CN201711181496.7A patent/CN107794360B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206477012U (en) * | 2017-01-19 | 2017-09-08 | 衡水运达热处理有限公司 | A kind of improved well formula tempering furnace |
| CN106943034A (en) * | 2017-05-21 | 2017-07-14 | 湖南鸣腾智能科技有限公司 | A kind of domestic intelligent electric oven |
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