CN215925009U - Elbow intermediate frequency heating device with heating and cooling functions - Google Patents
Elbow intermediate frequency heating device with heating and cooling functions Download PDFInfo
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- CN215925009U CN215925009U CN202122041191.4U CN202122041191U CN215925009U CN 215925009 U CN215925009 U CN 215925009U CN 202122041191 U CN202122041191 U CN 202122041191U CN 215925009 U CN215925009 U CN 215925009U
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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
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Abstract
The utility model discloses a bend intermediate frequency heating device with heating and cooling functions, and relates to the technical field of bend manufacturing equipment. The utility model relates to a bend intermediate frequency heating device with heating and cooling functions, which comprises an induction coil, wherein the top of the induction coil is provided with alternating positive and negative electrodes, high-frequency insulating ceramics with spraying holes are arranged on the induction coil at intervals, water inlet pipes are connected between adjacent high-frequency insulating ceramics, each water inlet pipe is communicated with the corresponding high-frequency insulating ceramics, and the water inlet pipes are connected with a spraying system for supplying water; the heating device can also be used for local heating, is easy to control and labor-saving, can heat workpieces with complex shapes, and has wide application range; according to the utility model, the problem of uneven temperature of the circumferential section of the steel pipe is solved by arranging a plurality of spray water holes in the high-frequency insulating ceramic of each area according to actual needs.
Description
Technical Field
The utility model relates to the technical field of bent pipe manufacturing equipment, in particular to a bent pipe intermediate frequency heating device with heating and cooling functions.
Background
Along with the adjustment of crude oil flow direction and natural gas transportation in China, the required amount of large-caliber bent pipe equipment is gradually increased, and a plurality of large-caliber bent pipes need to be flexibly turned in the construction process. The induction heating pipe bending process is an important process for pipeline construction and an important project for large-caliber pipeline engineering, and the working principle of the induction heating pipe bending process is that a medium-frequency power supply is used for heating a steel pipe, and the steel pipe is pushed at a constant speed, so that the steel pipe at a heating part travels along a preset track to form a bent pipe with a certain curvature radius and angle.
The medium-frequency induction heating mainly utilizes an electromagnetic induction method to lead the eddy current in the metal object to rise along with the frequency and concentrate on the circulation of the metal surface layer, and controls the heating depth of the metal object by controlling the frequency of the working current.
With the realization of the heating power following the steel pipe heating technology, the traditional fixed temperature measurement fixed on an equipment rack is changed, but the bent pipe needs to be cooled and quenched after being heated and roasted, the performance of the material can be seriously influenced due to insufficient quenching depth, and the mechanical property of the bent pipe is reduced; when the heating temperature and quenching of the bent pipe are not uniform, the local stress unbalance phenomenon can occur, and the steel pipe has fine cracks in the bending process, so that the product quality is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the mechanical property of the bent pipe is reduced and fine cracks appear due to the fact that the performance of the material is seriously influenced by insufficient quenching depth and uneven quenching.
In order to solve the technical problems, the utility model provides a bend intermediate frequency heating device with heating and cooling functions, which comprises an induction coil, wherein the top of the induction coil is provided with alternating positive and negative electrodes, high-frequency insulating ceramics with spraying holes are arranged on the induction coil at intervals, water inlet pipes are connected between the adjacent high-frequency insulating ceramics, each water inlet pipe is communicated with the corresponding high-frequency insulating ceramics, and the water inlet pipes are connected with a spraying system for supplying water.
The technical effect, high frequency insulating ceramic divides corresponding cooling area into to induction coil, when induction coil heating steel pipe and follow-up system process of bending, spraying system supplies water to the inlet tube, rivers spout and are used in the steel pipe surface from high frequency insulating ceramic's the hole that sprays, according to actual need, spraying system is through control rivers size, temperature and inlet tube switching, thereby control high frequency insulating ceramic's the hole blowout rivers size and direction and the temperature that sprays, can guarantee the local surface hardening of steel pipe.
The aforesaid has the return bend intermediate frequency heating device of heating and cooling function, and the contained angle between two adjacent inlet tubes is 90.
The water inlet pipeline is installed at the 45-degree position of the induction coil, the water inlet pipeline is installed at the 135-degree position of the induction coil, the water inlet pipeline is installed at the 225-degree position of the induction coil, and the water inlet pipeline is installed at the 315-degree position of the induction coil; the induction coil is provided with high-frequency insulating ceramic at a position of 0 degree, the induction coil is provided with high-frequency insulating ceramic at a position of 180 degrees, and the induction coil is provided with high-frequency insulating ceramic at a position of 270 degrees, so that the induction coil is convenient to install.
The utility model provides a return bend intermediate frequency heating device with heating and cooling function, high frequency insulating ceramics divide into A district, B district, C district and D district with induction coil, and the high frequency insulating ceramics in every region sets up a plurality of water holes that spray according to actual need.
The technical effect is that the shape and the diameter of the steel pipe are changed in the process of bending the steel pipe, so that the thickness is inconsistent with the thickness of the steel pipe when the steel pipe is bent at different positions, and the water flow is required to be different, therefore, different numbers of spraying holes are arranged in corresponding areas, so that the thick-wall pipe is quenched more easily, and the effect is obvious.
The intermediate frequency heating device for the elbow with the heating and cooling functions comprises a water supply system, a water supply system and a control system, wherein the water supply system comprises a manual butterfly valve, a flow meter, a water distribution well, a water suction well, an electric butterfly valve, a water pump and a hydraulic control butterfly valve; the manual butterfly valve is connected with the flow meter through a pipeline, the flow meter is connected with the water distribution well through a pipeline, the water distribution well is communicated with the water suction well through a flashboard, the water suction well is internally provided with a water suction bell mouth pipeline connected with an electric butterfly valve, the electric butterfly valve is connected with the water pump through a reducing pipe, the water pump is connected with a hydraulic control butterfly valve through a reducing pipe, and the hydraulic control butterfly valve is connected with a water inlet pipeline sum through a pipeline.
The intermediate frequency heating device for the elbow with the heating and cooling functions is characterized in that the manual butterfly valve, the pipeline and the flowmeter form a water replenishing pipeline or a sewage discharge pipeline of the water distribution well.
The water distribution well has the advantages that water flow in and out of the water distribution well is controlled and monitored, so that water storage capacity in the water distribution well is controlled, and sufficient water quantity can be guaranteed when the spraying system works.
The elbow intermediate frequency heating device with the heating and cooling functions is characterized in that the water distribution well is connected with a temperature monitor for monitoring the water temperature in the water distribution well.
The technical effect is that the spraying time is estimated by monitoring the water temperature in the water distribution well, and the lower the water temperature is, the shorter the spraying time is.
The intermediate frequency heating device for the elbow with the heating and cooling functions is characterized in that the distribution well is connected with a water return pipeline.
The utility model has the beneficial effects that:
(1) the induction coil is used for non-contact heating, the heating speed is high, the heating is uniform, and the temperature control precision is further improved; the heating device can also be used for local heating, is easy to control and labor-saving, can heat workpieces with complex shapes, and has wide application range;
(2) according to the utility model, the problem of uneven temperature of the circumferential section of the steel pipe is solved by arranging a plurality of spray water holes on the high-frequency insulating ceramic of each area according to actual needs, and the problem of wrinkles caused by uneven temperature of the circumferential section is further controllable;
(3) the utility model reduces the cooling water temperature by monitoring the water temperature in the water distribution well, shortens the cooling time, and has easier and obvious effect on the full quenching of the thick-wall pipe.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. an induction coil; 2. high-frequency insulating ceramics; 3. a water inlet pipe; 4. a manual butterfly valve; 5. a flow meter; 6. distributing a water well; 7. a suction well; 8. an electric butterfly valve; 9. a water pump; 10. a hydraulic control butterfly valve; 11. a temperature monitor; 12. a water return pipeline.
Detailed Description
The utility model provides a return bend intermediate frequency heating device with heating and cooling function, includes induction coil 1, and wherein induction coil 1's top is the positive negative electrode of reversal, and induction coil 1 is last the interval to be provided with the high frequency insulating ceramic 2 that has the hole that sprays, is connected with inlet tube 3 between the adjacent high frequency insulating ceramic 2, and the high frequency insulating ceramic 2 that every inlet tube 3 intercommunication corresponds, inlet tube 3 even has the spraying system who is used for supplying water.
High frequency insulating ceramic 2 divides into corresponding cooling area to induction coil 1, when induction coil 1 heating steel pipe and follow-up system process of bending, spraying system supplies water to inlet tube 3, rivers are from high frequency insulating ceramic 2 spray hole blowout and are used in the steel pipe surface, according to actual need, spraying system is through control rivers size, the temperature and with the switching of inlet tube 3, thereby control high frequency insulating ceramic 2 spray hole blowout rivers size and direction and temperature, can guarantee the local surface hardening of steel pipe. The induction coil 1 is used for non-contact heating, the temperature rise speed is high, the heating is uniform, and the temperature control precision is further improved; can also be used for local heating, is easy to control and labor-saving, can heat workpieces with complex shapes, and has wide application range.
The included angle between two adjacent water inlet pipes 3 is 90 degrees, the induction coil 1 is provided with a water inlet pipe 3 line at a 45-degree position, the induction coil 1 is provided with a water inlet pipe 3 line at a 135-degree position, the induction coil 1 is provided with a water inlet pipe 3 line at a 225-degree position, and the induction coil 1 is provided with a water inlet pipe 3 line at a 315-degree position; the induction coil 1 is provided with the high-frequency insulating ceramic 2 at the position of 0 degree, the induction coil 1 is provided with the high-frequency insulating ceramic 2 at the position of 180 degrees, and the induction coil 1 is provided with the high-frequency insulating ceramic 2 at the position of 270 degrees, so that the installation is convenient.
The high-frequency insulating ceramic 2 divides the induction coil 1 into an area A, an area B, an area C and an area D, and the high-frequency insulating ceramic 2 in each area is provided with a plurality of spraying water holes according to actual needs. Because the steel pipe bending in-process, steel pipe shape and diameter produce the change, and the thickness is inconsistent when needs and the bending of steel pipe different parts like this, leads to needing the discharge different, consequently, sets up a plurality of water holes that spray according to actual need through the high frequency insulating ceramic 2 in every region and solves the solution that produces the inhomogeneous problem of steel pipe circumference cross-section temperature to it is further controllable to the fold problem that the inhomogeneous causes of circumference cross-section temperature.
The water supply system comprises a manual butterfly valve 4, a flow meter 5, a water distribution well 6, a water suction well 7, an electric butterfly valve 8, a water pump 9 and a hydraulic control butterfly valve 10; wherein manual butterfly valve 4 passes through pipe connection flowmeter 5, and flowmeter 5 passes through pipe connection distribution well 6, and distribution well 6 communicates with each other through flashboard and water suction well 7, adopts the horn mouth pipeline connection electric butterfly valve 8 that absorbs water among the water suction well 7, and electric butterfly valve 8 passes through reducing union coupling water pump 9, and water pump 9 passes through reducing union coupling pilot operated butterfly valve 10, and pilot operated butterfly valve 10 passes through the 3 line sums of pipe connection inlet tube.
The manual butterfly valve 4, the pipeline and the flowmeter 5 form a water replenishing pipeline or a sewage discharge pipeline of the water distribution well 6.
The water flow in and out of the water distribution well 6 is controlled and monitored, so that the water storage capacity in the water distribution well 6 is controlled, and the sufficient water quantity can be ensured when the spraying system works.
The distribution well 6 is connected with a temperature monitor 11 for monitoring the water temperature in the distribution well 6, and the water temperature in the distribution well 6 is monitored, so that the cooling water temperature is reduced, the cooling time is shortened, and the thick-walled pipe is quenched more easily and has obvious effect.
The water distribution well 6 is connected with a water return pipeline 12, and water sprayed from the high-frequency insulating ceramic 2 flows into the water distribution well 6 through the water return pipeline 12 to be recovered.
In addition to the above embodiments, the present invention may have other embodiments; all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a return bend intermediate frequency heating device with heating and cooling function, includes induction coil (1), and wherein induction coil (1)'s top is alternating positive negative electrode, its characterized in that: the induction coil (1) is provided with high-frequency insulating ceramic (2) with spraying holes at intervals, a water inlet pipe (3) is connected between every two adjacent high-frequency insulating ceramic (2), each water inlet pipe (3) is communicated with the corresponding high-frequency insulating ceramic (2), and the water inlet pipes (3) are connected with a spraying system used for water supply.
2. The intermediate frequency heating device for the elbow pipe with the heating and cooling functions as claimed in claim 1, wherein: the included angle between two adjacent water inlet pipes (3) is 90 degrees.
3. The intermediate frequency heating device for the elbow pipe with the heating and cooling functions as claimed in claim 1, wherein: the high-frequency insulating ceramic (2) divides the induction coil (1) into an A area, a B area, a C area and a D area, and the high-frequency insulating ceramic (2) in each area is provided with a plurality of spray water holes according to actual needs.
4. The intermediate frequency heating device for the elbow pipe with the heating and cooling functions as claimed in claim 1, wherein: the spraying system comprises a manual butterfly valve (4), a flowmeter (5), a water distribution well (6), a water suction well (7), an electric butterfly valve (8), a water pump (9) and a hydraulic control butterfly valve (10); wherein manual butterfly valve (4) are through pipeline connection flowmeter (5), and flowmeter (5) are through pipeline connection distribution well (6), and distribution well (6) communicate with each other through flashboard and suction well (7), adopt the horn mouth pipeline connection electric butterfly valve (8) that absorbs water in suction well (7), and electric butterfly valve (8) are through reducing union coupling water pump (9), and water pump (9) are through reducing union coupling pilot control butterfly valve (10), and pilot control butterfly valve (10) are through the line connection inlet tube (3) line sum.
5. The intermediate frequency heating device for the elbow pipe with the heating and cooling functions as claimed in claim 4, wherein: the manual butterfly valve (4), the pipeline and the flowmeter (5) form a water replenishing pipeline or a sewage discharge pipeline of the water distribution well (6).
6. The intermediate frequency heating device for the elbow pipe with the heating and cooling functions according to claim 5, is characterized in that: the water distribution well (6) is connected with a temperature monitor (11) for monitoring the water temperature in the water distribution well (6).
7. The intermediate frequency heating device for the elbow pipe with the heating and cooling functions as claimed in claim 6, wherein: the water distribution well (6) is connected with a water return pipeline (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122041191.4U CN215925009U (en) | 2021-08-27 | 2021-08-27 | Elbow intermediate frequency heating device with heating and cooling functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122041191.4U CN215925009U (en) | 2021-08-27 | 2021-08-27 | Elbow intermediate frequency heating device with heating and cooling functions |
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| CN215925009U true CN215925009U (en) | 2022-03-01 |
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| CN202122041191.4U Active CN215925009U (en) | 2021-08-27 | 2021-08-27 | Elbow intermediate frequency heating device with heating and cooling functions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699334A (en) * | 2021-08-27 | 2021-11-26 | 南京钢铁股份有限公司 | Elbow intermediate frequency heating device with heating and cooling functions |
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2021
- 2021-08-27 CN CN202122041191.4U patent/CN215925009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699334A (en) * | 2021-08-27 | 2021-11-26 | 南京钢铁股份有限公司 | Elbow intermediate frequency heating device with heating and cooling functions |
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