CN210773271U - Welded tube drying device - Google Patents
Welded tube drying device Download PDFInfo
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- CN210773271U CN210773271U CN201921884354.1U CN201921884354U CN210773271U CN 210773271 U CN210773271 U CN 210773271U CN 201921884354 U CN201921884354 U CN 201921884354U CN 210773271 U CN210773271 U CN 210773271U
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- pipeline
- welded
- air inlet
- heating chamber
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Abstract
The utility model relates to a welded tube drying field discloses a welded tube drying device, including wind power mechanism and stoving pipeline, the stoving pipeline is inside to be equipped with horizontal air-supply line, vertical air-supply line and first horizontal welded tube pipeline to third horizontal welded tube pipeline, first horizontal welded tube pipeline to third horizontal welded tube pipeline evenly distributed around horizontal air-supply line, and the drainage pipeline is connected to the stoving pipeline bottom; the wind power mechanism provides hot wind for the drying pipeline; when drying, the welded pipe is conveyed from the first transverse welded pipe pipeline to the third transverse welded pipe pipeline, and the transverse air inlet pipe and the vertical air inlet pipe dry the three welded pipes simultaneously, so that the drying efficiency is improved.
Description
Technical Field
The utility model relates to a welded tube stoving field, concretely relates to welded tube drying device.
Background
A seamless welded pipe is a metal pipe formed by rolling an iron piece from both ends and then welding. In order to avoid the welded pipe from being heated and deformed in the production process, the surface of the welded pipe needs to be cooled, so that the surface of the welded pipe needs to be dried after the welded pipe is produced. The existing welded pipe drying device blows air to the surface of the welded pipe through an air outlet, but the mode cannot dry a plurality of welded pipes simultaneously during drying.
The temperature is detected by a thermocouple commonly used in the heating chamber, and for the temperature controller which is automatically adjusted, if no real-time temperature feedback exists, a heating signal is always output, so that the temperature in the heating chamber is always increased.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of background art, the utility model provides a welded tube drying device, the technical problem that solve is that current welded tube drying device can not dry many welded tubes simultaneously.
For solving the technical problem, the utility model provides a following technical scheme: a welded pipe drying device comprises an air force mechanism and a drying pipeline, wherein a transverse air inlet pipeline, a vertical air inlet pipeline, a first transverse welded pipe pipeline to a third transverse welded pipe pipeline are arranged in the drying pipeline, the first transverse welded pipe pipeline to the third transverse welded pipe pipeline are uniformly distributed around the transverse air inlet pipeline, and the bottom of the drying pipeline is connected with a drainage pipeline; the wind mechanism comprises a wind motor, an air inlet pipeline, a heating chamber, a frequency converter, an electromagnetic heater and an air outlet pipeline; the electromagnetic heater is electrically connected with an alternating current power supply through a thermal relay; the bottom of the left side of the heating chamber is connected with an air motor through an air inlet pipeline, the tail end of a motor shaft of the air motor is connected with a fan blade, and a power terminal of the air motor is electrically connected with a frequency converter; an electromagnetic heater is arranged in the heating chamber; the top of the right side of the heating chamber is connected with an air outlet pipeline, one end, away from the heating chamber, of the air outlet pipeline comprises a first wind guide pipe and a second wind guide pipe, the first wind guide pipe is connected with a transverse air inlet pipeline, and the second wind guide pipe is connected with a vertical air inlet pipe.
The frequency converter is used for providing three-phase alternating current for the wind motor to adjust the rotating speed of the wind motor. The air inlet pipeline is arranged below the heating chamber, the air outlet pipeline is arranged above the heating chamber, and the air which is exhausted from the air outlet pipeline is heated.
Furthermore, a thermocouple is arranged in the heating chamber, the thermocouple is electrically connected with the temperature input end of the PID temperature controller, and the output end of the PID temperature controller is electrically connected with the control end of the thermal relay. The internal temperature of the heating chamber can be stably regulated and controlled through a PID regulation mode.
Furthermore, when avoiding the thermocouple to break down, PID temperature controller is because not receiving temperature input signal and switching on electromagnetic heater always, still connects the voltage display table in PID temperature controller's input and earthing terminal, and when the voltage display table shows 0V, the thermocouple lacks the output, should in time overhaul this moment, and manual stop heating prevents that heating chamber temperature is too high.
Furthermore, the outer surface of the heating chamber is connected with a heat-insulating layer and a heat-insulating layer. The heat emitted by the electromagnetic heater can be effectively utilized through the heat-insulating layer and the heat-insulating layer, and energy waste is avoided.
Compared with the prior art, the utility model beneficial effect who has is:
1: when the welded pipe is dried, the three welded pipes can be simultaneously dried through the transverse air inlet pipe and the vertical air inlet pipe, and the drying efficiency is improved.
2: the air inlet pipeline and the air outlet pipeline are arranged up and down separately, so that the air which is discharged from the air outlet pipeline is heated.
3: the voltage display meter is used for detecting the voltage signal input into the PID temperature controller by the thermocouple, so that the phenomenon that no prompt measure exists when the thermocouple fails and the PID temperature controller is heated all the time is avoided.
Drawings
The utility model discloses there is following figure:
FIG. 1 is a schematic view of a wind mechanism according to the present invention;
fig. 2 is a schematic view of the drying duct of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-2, a welded pipe drying device comprises an air force mechanism and a drying pipeline 16, wherein a transverse air inlet pipeline 10, a vertical air inlet pipeline 14 and first to third transverse welded pipe pipelines 11 to 13 are arranged inside the drying pipeline 16, the first to third transverse welded pipe pipelines 11 to 13 are uniformly distributed around the transverse air inlet pipeline 10, and the bottom of the drying pipeline 16 is connected with a drainage pipeline 15; the wind mechanism comprises a wind motor 2, an air inlet pipeline 9, a heating chamber 17, a frequency converter 1, an electromagnetic heater 4 and an air outlet pipeline 8; the electromagnetic heater 4 is electrically connected with an alternating current power supply through a thermal relay 5; the bottom of the left side of the heating chamber 17 is connected with an air motor 2 through an air inlet pipeline 9, the tail end of a motor shaft of the air motor 2 is connected with a fan blade 3, and a power terminal of the air motor 2 is electrically connected with the frequency converter 1; the electromagnetic heater 4 is arranged in the heating chamber 17; the top of the right side of the heating chamber 17 is connected with an air outlet pipeline 8, one end of the air outlet pipeline 8, which is far away from the heating chamber 17, comprises a first wind power guide pipe 81 and a second wind power guide pipe 82, the first wind power guide pipe 81 is connected with the transverse air inlet pipeline 10, and the second wind power guide pipe 82 is connected with the vertical air inlet pipe 14.
Wherein, the frequency converter 1 provides three-phase alternating current for the wind motor 2 to adjust the rotating speed of the wind motor 2. The air inlet pipeline 9 is arranged below the heating chamber 17, and the air outlet pipeline 8 is arranged above the heating chamber 17, so that the air flowing out of the air outlet pipeline 8 is heated.
Furthermore, a thermocouple 6 is arranged in the heating chamber 17, the thermocouple 6 is electrically connected with the temperature input end of a PID temperature controller 7, and the output end of the PID temperature controller 7 is electrically connected with the control end of the thermal relay 5. The internal temperature of the heating chamber 17 can be stably controlled by the PID control.
Further, in order to avoid the thermocouple 6 from breaking down, the PID temperature controller 7 is always turned on the electromagnetic heater because the temperature input signal is not received, the voltage display meter is also electrically connected to the input end and the grounding end of the PID temperature controller 7, when the voltage display meter displays 0V, the thermocouple 6 lacks output, and at this moment, the maintenance should be carried out in time, the heating is manually stopped, and the temperature of the heating chamber 17 is prevented from being too high.
Further, the outer surface of the heating chamber 17 is connected with a heat insulating layer and a heat insulating layer. The heat emitted by the electromagnetic heater 4 can be effectively utilized through the heat-insulating layer and the heat-insulating layer, and energy waste is avoided.
When the welded pipes are dried, the welded pipes are conveyed through the first transverse welded pipe pipeline 11, the second transverse welded pipe pipeline 12 and the third transverse welded pipe pipeline 13, the transverse air inlet pipeline 10 and the vertical air inlet pipeline 14 can be used for drying the three welded pipes simultaneously, the drying efficiency is improved, and in addition, condensed water generated after drying can be discharged through the discharge pipeline 15.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a welded tube drying device which characterized in that: comprises a wind power mechanism and a drying pipeline; a transverse air inlet pipeline, a vertical air inlet pipeline and first to third transverse welded pipeline pipelines are arranged in the drying pipeline, the first to third transverse welded pipeline pipelines are uniformly distributed around the transverse air inlet pipeline, and the bottom of the drying pipeline is connected with a drainage pipeline; the wind mechanism comprises a wind motor, an air inlet pipeline, a heating chamber, a frequency converter, an electromagnetic heater and an air outlet pipeline; the electromagnetic heater is electrically connected with an alternating current power supply through a thermal relay; the bottom of the left side of the heating chamber is connected with an air motor through an air inlet pipeline, the tail end of a motor shaft of the air motor is connected with fan blades, and a power terminal of the air motor is electrically connected with a frequency converter; an electromagnetic heater is arranged in the heating chamber; the air outlet pipeline is connected to the top of the right side of the heating chamber, one end of the air outlet pipeline, far away from the heating chamber, comprises a first wind power guide pipe and a second wind power guide pipe, the first wind power guide pipe is connected with the transverse air inlet pipeline, and the second wind power guide pipe is connected with the vertical air inlet pipe.
2. The welded pipe drying device according to claim 1, characterized in that: and a thermocouple is arranged in the heating chamber, the thermocouple is electrically connected with the temperature input end of a PID temperature controller, and the output end of the PID temperature controller is electrically connected with the control end of the thermal relay.
3. The welded pipe drying device according to claim 2, characterized in that: and the input end and the grounding end of the PID temperature controller are also electrically connected with a voltage display meter.
4. The welded pipe drying device according to claim 1, characterized in that: the outer surface of the heating chamber is connected with a heat insulation layer and a heat insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921884354.1U CN210773271U (en) | 2019-11-04 | 2019-11-04 | Welded tube drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921884354.1U CN210773271U (en) | 2019-11-04 | 2019-11-04 | Welded tube drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210773271U true CN210773271U (en) | 2020-06-16 |
Family
ID=71045845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921884354.1U Active CN210773271U (en) | 2019-11-04 | 2019-11-04 | Welded tube drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210773271U (en) |
-
2019
- 2019-11-04 CN CN201921884354.1U patent/CN210773271U/en active Active
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