CN111530934B - Offline tube blank electromagnetic heat supplementing device - Google Patents
Offline tube blank electromagnetic heat supplementing device Download PDFInfo
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- CN111530934B CN111530934B CN202010532154.0A CN202010532154A CN111530934B CN 111530934 B CN111530934 B CN 111530934B CN 202010532154 A CN202010532154 A CN 202010532154A CN 111530934 B CN111530934 B CN 111530934B
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- 230000001502 supplementing effect Effects 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 141
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 38
- 239000003990 capacitor Substances 0.000 claims description 11
- 238000009529 body temperature measurement Methods 0.000 claims description 10
- 239000013072 incoming material Substances 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000001788 irregular Effects 0.000 abstract description 4
- 238000006748 scratching Methods 0.000 abstract description 3
- 230000002393 scratching effect Effects 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
- Forging (AREA)
Abstract
The invention provides an off-line pipe blank electromagnetic heat supplementing device which is arranged in front of a perforating machine and used for heating an off-line hot pipe blank discharged from a heating furnace in a production process to a temperature required by perforation of the perforating machine. The invention realizes the rapid heat supplement of the blank, and the blank is transferred to a normal working roller way for perforation production after being rapidly heated; the energy is saved, the yield is improved, and unnecessary waste of pipe blanks is reduced; the heating equipment is safe, reliable, advanced, high in automation level, high in control precision and reliability, mature in manufacturing process and safe and stable in operation proved by use practices; the efficiency is high, and the economy is high; the temperature measuring instrument has the characteristics of various output interfaces, high precision, good reliability, strong environmental impact resistance and the like; protecting the hot tube blank with lower plasticity and avoiding the picking hook from scratching the tube blank; prevent irregular blank from crashing the heating unit.
Description
Technical Field
The invention relates to the technical field of off-line tube blank reheating, in particular to an off-line tube blank electromagnetic heat-supplementing device.
Background
The piercing process of the piercing mill is used as the first metal thermal deformation process in the hot-rolled seamless steel tube production line, the heating temperature has a crucial influence on the quality of the steel tube, and because the tube blank cannot be pierced successfully due to some reason in the production process, if the tube blank is pierced continuously, the temperature requirement cannot be met, and the blank cannot be wasted due to the lack of furnace returning equipment. Based on this, an electromagnetic heat-supply device is provided in front of the piercing machine. The tube blank which has not been pierced is reheated to the temperature requirement of the piercing machine. Meanwhile, the electromagnetic heat supplementing device replaces a reheating furnace, the occupied area is small, natural gas is replaced by electric energy, energy is saved, pollutant emission is reduced, waste of pipe blanks is reduced, and higher benefits are created.
Disclosure of Invention
Aiming at the defects, the invention aims to provide an off-line tube blank electromagnetic heat-supplementing device, which realizes the rapid heat-supplementing of a blank, and transfers the blank to a normal working roller way for perforation production after the temperature is rapidly raised; energy is saved, the yield is improved, and unnecessary waste of pipe blanks is reduced; the heating equipment is safe, reliable, advanced, high in automation level, high in control precision and reliability, mature in manufacturing process and safe and stable in operation proved by use practices; the efficiency is high, and the economy is high; the temperature measuring instrument has the characteristics of various output interfaces, high precision, good reliability, strong environmental impact resistance and the like; the hot-state tube blank with lower plasticity is protected, and the tube blank is prevented from being scratched by a material picking hook; prevent irregular blanks from crashing the heating unit.
In order to achieve the aim, the invention provides an off-line pipe blank electromagnetic heat supplementing device which is arranged in front of a perforating machine and used for heating an off-line hot pipe blank which is discharged from a heating furnace in the production process to the temperature required by perforation of the perforating machine;
the off-line tube blank electromagnetic heat supplementing device comprises a heating part, a conveying part, a material rejecting part and a control part, wherein the control part controls the heating part to heat the off-line tube blank, and the off-line tube blank is conveyed to the heating part through the conveying part and then is conveyed into a puncher through the material rejecting part.
Preferably, a first temperature measuring instrument is arranged at the front end of the heating part, and a second temperature measuring instrument is arranged at the rear end of the heating part;
the first temperature measuring instrument is used for detecting the temperature of incoming materials at the inlet, and the temperature measuring mode is temperature measurement outside the furnace;
the second temperature measuring instrument is used for detecting the temperature of the blank after heating and temperature increasing, and the temperature measuring mode is temperature measurement outside the furnace.
Further, the first temperature measuring instrument and the second temperature measuring instrument both adopt infrared temperature measuring instruments, and the temperature range of the infrared temperature measuring instruments is 500-1800 ℃.
Further, the conveying part comprises a plurality of heating conveying roller ways and a perforator conveying roller;
the heating part comprises 4 heating units, each heating unit is provided with a heating through hole, an inlet guide sleeve is arranged at the heating through hole of the foremost heating unit, and the inlet guide sleeve is of a conical barrel structure.
The heating units and the heating conveying roller ways are sequentially and alternately arranged, and one heating conveying roller way is arranged between every two adjacent heating units;
the front part of the heating unit positioned at the foremost end is provided with two heating roller conveyors, and the first temperature measuring instrument is positioned between the two heating roller conveyors at the front part of the heating unit positioned at the foremost end;
two heating rollgang are arranged at the rear part of the heating unit at the rearmost end, and the second thermodetector is arranged between the two heating rollgang at the rear part of the heating unit at the rearmost end.
Further, the control part comprises a capacitor cabinet, and each heating unit is connected with the capacitor cabinet through a cable.
Furthermore, the material picking part comprises a support frame, a sliding groove is formed in the inner side of the upper part of the support frame, and a rack is arranged in the sliding groove;
a cross beam is arranged in the sliding groove on the supporting frame, a gear is arranged on the cross beam, and the gear is meshed with the rack;
the beam is provided with at least three material picking hooks at equal intervals, and the material picking hooks are used for conveying pipe blanks.
Further, chamfering is carried out at the hook opening of the picking hook.
Furthermore, a puncher is arranged at the rear end of the material rejecting part, a material receiving groove is arranged at the material inlet end of the puncher, and the material receiving groove is of an arc-shaped groove structure;
the picking hook moves the tube blank to the front of the puncher, and the tube blank is conveyed to a material receiving groove by a conveying roller way of the picking hook and then enters the puncher.
Furthermore, the temperature of the tube blank before entering the heating part for heat compensation is not lower than 900 ℃, the temperature of the tube blank after heating of the heating part is 1180-1250 ℃, and the longitudinal temperature difference of the tube blank after heat compensation is +/-20 ℃.
Further, the heating part is suitable for heating the tube blank with the length of 3-4 meters; the distance between the adjacent heating conveying roller ways is 1250 mm; the speed of the heating conveying roller way is variable in frequency and adjustable; the length of each heating unit is 800 mm.
The invention provides an off-line tube blank electromagnetic heat supplementing device which has the following beneficial effects:
(1) the blank is quickly heated and then transferred to a normal working roller way for perforation production;
(2) the energy is saved, the yield is improved, and unnecessary waste of pipe blanks is reduced;
(3) the heating equipment is safe, reliable, advanced, high in automation level, high in control precision and reliability, mature in manufacturing process and safe and stable in operation proved by use practices;
(4) the efficiency is high, and the economy is high;
(5) the temperature measuring instrument has the characteristics of various output interfaces, high precision, good reliability, strong environmental impact resistance and the like;
(6) the hot-state tube blank with lower plasticity is protected, and the tube blank is prevented from being scratched by a material picking hook;
(7) prevent irregular blanks from crashing the heating unit.
Drawings
FIG. 1 is a schematic structural diagram of an off-line tube blank electromagnetic heat-supplementing device;
FIG. 2 is a front view of an off-line tube blank electromagnetic concurrent heating device;
FIG. 3 is a left side view of an off-line tube blank electromagnetic concurrent heating device;
FIG. 4 is a schematic structural view of a rejecting part;
FIG. 5 is a schematic view of a material picking hook;
FIG. 6 is a schematic view of a single heating unit;
in the figure: the device comprises a pipe blank 1, a first temperature measuring instrument 2, an inlet guide sleeve 3, a capacitor cabinet 4, a heating unit 5, a support beam 6, a second temperature measuring instrument 7, a puncher 8, a gear 9, a rack 10, a receiving groove 11, a material hook 12, a heating conveying roller way 13, a cross beam 14 and a cable 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 6, the invention provides an off-line tube blank electromagnetic concurrent heating device which is arranged in front of a piercing machine and used for heating an off-line hot tube blank which is discharged from a heating furnace in a production process to a temperature required for piercing by the piercing machine.
The off-line tube blank electromagnetic heat supplementing device comprises a heating part, a conveying part, a material rejecting part and a control part.
The control part controls the heating part to heat the off-line pipe blank 1, and the off-line pipe blank 1 is conveyed to the heating part through the conveying part and then conveyed into the perforating machine 8 through the material rejecting part.
The front end of the heating part is provided with a first temperature measuring instrument 2, and the rear end of the heating part is provided with a second temperature measuring instrument 7.
The first temperature measuring instrument 2 is used for detecting the temperature of incoming materials at an inlet, and the temperature measuring mode is temperature measurement outside the furnace.
The second temperature measuring instrument 7 is used for detecting the temperature of the blank after heating and temperature raising, and the temperature measuring mode is temperature measurement outside the furnace. The first temperature measuring instrument 2 and the second temperature measuring instrument 7 both adopt infrared temperature measuring instruments, and the temperature ranges of the infrared temperature measuring instruments are 500-1800 ℃. The infrared thermometer has the characteristics of various output interfaces, high precision, good reliability, strong environmental impact resistance and the like.
The conveying section includes a plurality of heating rollgang 13 and piercer conveyor rolls.
The heating part comprises 4 heating units 5, each heating unit 5 is provided with a heating through hole, an inlet guide sleeve 3 is arranged at the position of the heating through hole of the foremost heating unit 5, and the inlet guide sleeve 3 is of a conical barrel structure.
The heating units 5 and the heating conveying roller ways 13 are sequentially and alternately arranged, and one heating conveying roller way 13 is arranged between every two adjacent heating units 5;
two heating rollgang 13 are arranged at the front part of the foremost heating unit 5, and the first temperature measuring instrument 2 is arranged between the two heating rollgang 13 at the front part of the foremost heating unit 5;
two heating rollgang 13 are arranged at the rear part of the heating unit 5 at the rearmost end, and the second temperature measuring instrument 7 is arranged between the two heating rollgang 13 at the rear part of the heating unit 5 at the rearmost end;
the distance between adjacent heating rollerways 13 is 1250 mm. The speed of the heating roller conveyor 13 is variable-frequency and adjustable.
The length of each heating unit 5 is 800 mm.
The control part comprises a capacitor cabinet 4, and each heating unit 5 is connected with the capacitor cabinet 4 through a cable 15. Each heating unit 5 is controlled by a separate capacitor cabinet 4, and each heating unit 5 is independent from each other, has an independent control function and meets the requirement of full-line automatic control of the whole production line.
The heating part is suitable for heating the tube blank 1 with the length of 3-4 meters.
The material picking part comprises a support frame 6, a sliding groove is formed in the inner side of the upper portion of the support frame 6, and a rack 10 is arranged in the sliding groove.
A cross beam 14 is arranged in the sliding groove on the supporting frame 6, a gear 9 is arranged on the cross beam 14, and the gear 9 is meshed with the rack 10.
The beam is provided with at least three picking hooks 12 at equal intervals, the picking hooks 12 are used for conveying the tube blank 1, and because the plasticity of the hot tube blank 1 is low, in order to avoid the picking hooks 12 from scratching the tube blank 1, chamfering treatment is carried out at the hook openings of the picking hooks 12.
The rear end of the material rejecting part is provided with a puncher 8, a material receiving groove 11 is arranged at the material inlet end of the puncher 8, and the material receiving groove is of an arc-shaped groove structure.
The picking hook 12 moves the tube blank 1 to the front of the piercing machine 8, and the tube blank is conveyed to a material receiving groove by a picking hook conveying roller way and then enters the piercing machine 8.
The electromagnetic heat-supplementing device is arranged in front of the perforating machine and is incorporated into a part of the whole production line. The heating part adopts independent 4 heating unit, and it is little to have single equipment power, and equipment stability is high, and every power is independent adjustable, and the frequency design can be according to steel pipe specification adjustment, and application scope is strong, advantage that equipment heating efficiency is high. The pipe blank conveying device is suitable for pipe blanks with the length of about 3-4 meters, the pipe blanks are hung into a front roller path of the heat supplementing device from a piercing mill area through an overhead traveling crane, enter each heating unit in sequence through a conveying roller path, are conveyed onto a roller path of a receiving groove on the front platform of the piercing mill through a material removing part after the tail parts of the pipe blanks exit from the last heating unit, and are conveyed into the piercing mill through the conveying roller path. The material picking part consists of a supporting beam, a cross beam, a material picking hook and a gear rack. Gears are arranged at two ends of the cross beam, the supporting beam is of a channel steel structure, the position of the supporting beam is provided with a rack which is matched with the gears, the cross beam is convenient to drive the material picking hooks to move, and the three material picking hooks are uniformly arranged on the cross beam and used for conveying pipe blanks. Because the plasticity of the hot-state tube blank is low, chamfering treatment is carried out to avoid the material rejecting hook from scratching the hook outlet of the material rejecting hook of the tube blank. The traveling speed of the blank in the heating process is adjustable. Each heating unit is controlled by an independent capacitor cabinet, and a power supply interface on each heating unit is connected with the capacitor cabinet through a cable.
The length of each heating unit is 800mm, and the distance between adjacent heating roller ways can be 1250 mm.
The temperature is raised to the temperature required by the perforation of the perforating machine, the tube blank with the diameter of 180mm and the length of 2600 mm-4000 mm can be heated, the temperature of the tube blank before heat compensation is not lower than 900 ℃, the temperature of the tube blank after heat compensation is 1180-1250 ℃, the longitudinal temperature difference of the heated tube blank is plus or minus 20 ℃, and the cold charge can be heated to 1250 ℃.
The feed inlet of the first section of sensor and the discharge outlet of the last section of sensor are respectively provided with an infrared thermometer for detecting the temperature of the incoming material and the final heating temperature.
The speed of the heating roller way is adjustable in frequency conversion. Prevent that irregular blank from crashing induction coil and being equipped with the entry guide pin bushing that is tubaeform at heating unit entrance.
The invention provides an off-line electromagnetic tube blank heat supplementing device, which is mainly used for rapidly supplementing heat for blanks which are rejected due to certain factors when tube blanks heated by a stepping heating furnace enter a hot saw after being sized and are cut and then enter a punching process, and then transferring the blanks to a normal working roller way for punching production. The equipment is mainly used for saving energy, improving the yield and reducing the unnecessary waste of pipe blanks. The heating equipment conforms to the relevant national standard, is safe, reliable, advanced, high in automation level, high in control precision and reliability, mature in manufacturing process and safe and stable in operation proved by use practice. The equipment has a perfect protection system, reasonable layout and convenient operation management. High efficiency, energy saving and economy, and various pipelines (water and gas) are arranged orderly and are provided with proper fastening devices.
The equipment is humanized in design, each heating unit is controlled by an independent capacitor cabinet, and each heating unit is independent from each other, has an independent control function and meets the requirement of full-line automatic control of the whole production line. The device can adjust parameters and information transmitted through the bus through the human-computer operation interface. After the information is input for the first time, the part number is directly called from the window in work, and then the formula function can be realized. And the function of modifying the parameters of the frequency converter is realized.
The equipment is provided with two sets of temperature measuring instruments, wherein the first set of temperature measuring instrument is arranged at the inlet of the first section of sensor at the inlet end and mainly used for detecting the temperature of incoming materials at the inlet. The temperature measurement mode is temperature measurement outside the furnace. And the second set of temperature measuring instrument is arranged at the outlet of the last section of sensor and is used for detecting the temperature of the blank after heating and temperature raising. The temperature measurement mode is temperature measurement outside the furnace. The temperature measuring instrument adopts an infrared temperature measuring instrument (the temperature range is 500-1800 ℃). The temperature measuring instrument has the characteristics of various output interfaces, high precision, good reliability, strong environmental impact resistance and the like.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. An off-line tube blank electromagnetic concurrent heating device is characterized by being arranged in front of a perforating machine and used for heating an off-line hot tube blank coming out of a heating furnace in the production process to the temperature required by perforation of the perforating machine;
the off-line tube blank electromagnetic heat supplementing device comprises a heating part, a conveying part, a material rejecting part and a control part, wherein the control part controls the heating part to heat the off-line tube blank (1), and the off-line tube blank (1) is conveyed to the heating part through the conveying part and then is conveyed into a puncher (8) through the material rejecting part;
a first temperature measuring instrument (2) is arranged at the front end of the heating part, and a second temperature measuring instrument (7) is arranged at the rear end of the heating part;
the first temperature measuring instrument (2) is used for detecting the temperature of incoming materials at an inlet, and the temperature measuring mode is temperature measurement outside the furnace;
the second temperature measuring instrument (7) is used for detecting the temperature of the blank after heating and temperature raising, and the temperature measuring mode is temperature measurement outside the furnace;
the first temperature measuring instrument (2) and the second temperature measuring instrument (7) both adopt infrared temperature measuring instruments, and the temperature range of the infrared temperature measuring instruments is 500-1800 ℃;
the conveying part comprises a plurality of heating conveying roller ways (13) and a perforating machine conveying roller;
the heating part comprises 4 heating units (5), each heating unit (5) is provided with a heating through hole, an inlet guide sleeve (3) is arranged at the heating through hole of the foremost heating unit (5), and the inlet guide sleeve (3) is of a conical barrel structure;
the heating units (5) and the heating conveying roller ways (13) are sequentially and alternately arranged, and one heating conveying roller way (13) is arranged between every two adjacent heating units (5);
two heating roller ways (13) are arranged at the front part of the heating unit (5) at the foremost end, and the first temperature measuring instrument (2) is arranged between the two heating roller ways (13) at the front part of the heating unit (5) at the foremost end;
two heating roller ways (13) are arranged at the rear part of the rearmost heating unit (5), and the second temperature measuring instrument (7) is positioned between the two heating roller ways (13) at the rear part of the rearmost heating unit (5);
the material rejecting part comprises a support frame (6), a sliding groove is formed in the inner side of the upper part of the support frame (6), and a rack (10) is arranged in the sliding groove;
a cross beam (14) is arranged in a sliding groove in the support frame (6), a gear (9) is arranged on the cross beam (14), and the gear (9) is meshed with the rack (10);
the beam is provided with at least three material rejecting hooks (12) at equal intervals, and the material rejecting hooks (12) are used for conveying the tube blank (1).
2. An off-line tube blank electromagnetic concurrent heating device according to claim 1, characterized in that the control section comprises a capacitor cabinet (4), and each heating unit (5) is connected with the capacitor cabinet (4) through a cable (15).
3. An off-line electromagnetic pipe blank heat supplementing device according to claim 1, characterized in that the hook mouth of the picking hook (12) is chamfered.
4. The off-line electromagnetic pipe blank heat supplementing device according to claim 1, wherein a puncher (8) is arranged at the rear end of the material rejecting part, a receiving groove (11) is arranged at the feed inlet end of the puncher (8), and the receiving groove (11) is of an arc groove structure;
the pipe blank (1) is moved to the front of the piercing machine (8) by the material rejecting hook (12), conveyed to a material receiving groove by a material rejecting hook conveying roller way and then enters the piercing machine (8).
5. An off-line pipe blank electromagnetic heat-supplementing device according to claim 1, characterized in that the temperature of the pipe blank (1) before entering the heating part for heat-supplementing is not lower than 900 ℃, the temperature of the pipe blank (1) after heating part for heat-supplementing is 1180-1250 ℃, and the longitudinal temperature difference of the pipe blank (1) after heat-supplementing is +/-20 ℃.
6. An off-line tube blank electromagnetic concurrent heating device according to claim 1, wherein the heating part is adapted to heat a tube blank (1) having a length of 3-4 meters; the distance between the adjacent heating and conveying roller ways (13) is 1250 mm; the speed of the heating conveying roller way (13) is variable in frequency and adjustable; the length of each heating unit (5) is 800 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010532154.0A CN111530934B (en) | 2020-06-12 | 2020-06-12 | Offline tube blank electromagnetic heat supplementing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010532154.0A CN111530934B (en) | 2020-06-12 | 2020-06-12 | Offline tube blank electromagnetic heat supplementing device |
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| CN111530934A CN111530934A (en) | 2020-08-14 |
| CN111530934B true CN111530934B (en) | 2022-09-27 |
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| CN202010532154.0A Active CN111530934B (en) | 2020-06-12 | 2020-06-12 | Offline tube blank electromagnetic heat supplementing device |
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| CN112388333B (en) * | 2020-10-21 | 2022-05-13 | 绍兴市上虞福鑫五金工具有限公司 | Hardware sleeve production equipment and process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0890043A (en) * | 1994-09-26 | 1996-04-09 | Sumitomo Metal Ind Ltd | Production of stainless seamless steel tube |
| CN102284514A (en) * | 2011-07-07 | 2011-12-21 | 无锡西姆莱斯石油专用管制造有限公司 | Receiving hopper and ticking device of perforating machine |
| CN206065039U (en) * | 2016-09-30 | 2017-04-05 | 中冶华天南京工程技术有限公司 | Flexible or traction apparatuss drive portable induction heating device |
| CN106964658A (en) * | 2017-05-08 | 2017-07-21 | 江苏常宝普莱森钢管有限公司 | A kind of hot rolled seamless steel tube processing method and its device |
| CN109108073A (en) * | 2018-08-31 | 2019-01-01 | 东北大学 | A kind of red base of continuous casting directly rolls heat patching device and method |
| CN213052088U (en) * | 2020-06-12 | 2021-04-27 | 山东磐金钢管制造有限公司 | Offline tube blank electromagnetic heat supplementing device |
-
2020
- 2020-06-12 CN CN202010532154.0A patent/CN111530934B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0890043A (en) * | 1994-09-26 | 1996-04-09 | Sumitomo Metal Ind Ltd | Production of stainless seamless steel tube |
| CN102284514A (en) * | 2011-07-07 | 2011-12-21 | 无锡西姆莱斯石油专用管制造有限公司 | Receiving hopper and ticking device of perforating machine |
| CN206065039U (en) * | 2016-09-30 | 2017-04-05 | 中冶华天南京工程技术有限公司 | Flexible or traction apparatuss drive portable induction heating device |
| CN106964658A (en) * | 2017-05-08 | 2017-07-21 | 江苏常宝普莱森钢管有限公司 | A kind of hot rolled seamless steel tube processing method and its device |
| CN109108073A (en) * | 2018-08-31 | 2019-01-01 | 东北大学 | A kind of red base of continuous casting directly rolls heat patching device and method |
| CN213052088U (en) * | 2020-06-12 | 2021-04-27 | 山东磐金钢管制造有限公司 | Offline tube blank electromagnetic heat supplementing device |
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| CN111530934A (en) | 2020-08-14 |
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