CN202099365U - Preheating device used for sink roll - Google Patents
Preheating device used for sink roll Download PDFInfo
- Publication number
- CN202099365U CN202099365U CN2011201822575U CN201120182257U CN202099365U CN 202099365 U CN202099365 U CN 202099365U CN 2011201822575 U CN2011201822575 U CN 2011201822575U CN 201120182257 U CN201120182257 U CN 201120182257U CN 202099365 U CN202099365 U CN 202099365U
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- heating
- unit
- preheating
- roller
- casing
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Abstract
The utility model discloses a preheating device, particularly a preheating device used for a sink roll, which belongs to the technical field of metallurgical production equipment. The utility model provides the preheating device used for the sink roll, which can improve the preheating quality of the sink roll. The preheating device comprises a heating box provided with a heating element inside, and also comprises a heating temperature automatic control system containing a signal acquisition terminal and an order execution terminal, the signal acquisition terminal is positioned in the heating box, and the order execution terminal is connected to a current input line of the heating element.
Description
Technical field
The utility model relates to a kind of preheating unit, especially relates to a kind of preheating unit of the roller that is used to sink, and belongs to the metallurgical production equipment technical field.
Background technology
When the sinking roller that in to the pot galvanize unit, uses preheats, generally all adopt wire spiral to heat, control method is simple; Also do not consider because sinking roller material is different; Thermal expansion situation factor inequality in heat-processed, simultaneously, in the process of preheating; The zinc liquid that sticks on the sinking roller can drip in preheating, is easy to cause the wire spiral short circuit.In addition, in the heat-processed, also not strict to the requirement of Heating temperature, heating mantles heat-insulation and heat-preservation material thickness is not enough, and the cover outer wall temperature is higher when causing heating, and reaches as high as more than 80 ℃ serious heat loss.The sinking roller of preheating under this preheating condition causes roll body to go into pot temperature easily and is lower than a pot interior temperature of melt metal, and the aluminium cadmia just can be attached on the roll body surface very soon; Form one deck solid cadmia; Be dross, in case sinking roller surface dross is quite big to the influence of product surface quality; Belt steel surface can produce roll marks when serious, zinc spends unequal defective to cause product to be come down to a lower group, and also can shorten the work-ing life of sinking roller simultaneously.
The utility model content
The utility model technical problem to be solved is: what a kind of preheating quality that can improve the sinking roller was provided is used to sink the preheating unit of roller.
The technical scheme that adopts for solving the problems of the technologies described above is: a kind of preheating unit of the roller that is used to sink; Comprise that inside is equipped with the heating casing of heating unit; Comprise that also a cover contains the Heating temperature automatic control system of signals collecting end and command execution end; The signals collecting end is positioned at the heating casing, and the command execution end is connected on the electric current input line of heating unit.
Further be, the Heating temperature automatic control system also comprises the intelligent program controller, and the signals collecting end is made up of temperature measurement unit, and the command execution end is made up of solid state relay; Temperature measurement unit is installed on the inner side-wall of heating casing, and its signal output part is communicated with the intelligent program controller; Solid state relay is connected on the electric current input line of heating unit, and its order receiving end is communicated with the intelligent program controller.
Further be, comprise that also heat-protecting glass is cotton, the heat-protecting glass cotton is arranged on the inwall of heating casing.
Further be, also comprise the galvanizing zinc flow pass, the galvanizing zinc flow pass is arranged on the bottom of heating casing.
Further be that heating unit is a wire spiral.
The beneficial effect of the utility model is: through be provided with one contain signal collection end and command execution end the Heating temperature automatic control system; And make the signal collection end be positioned at the heating casing; The command execution end connects in the electric current input line of heating unit; And then on the Heating temperature automatic control system according to the material, support arm, steady bearing of sinking roller and the situation of being heated of sinking roller coating; Preset heating and temperature control curve; When temperature corresponding on the intravital temperature of heating container and the preset heating and temperature control curve was inconsistent, the signal collection end is transformed into the Heating temperature automatic control system with intravital this actual temperature of heating container can identified signal pass to the Heating temperature automatic control system, and the Heating temperature automatic control system is exported an adjustment again and ordered to the command execution end; Change the break-make situation of the electric current in the input heating unit; Thereby realize adding the purpose of thermal control curve controlled sinking roller heating quality, thereby effectively raise the preheating quality of sinking roller, and then the preheating unit that makes the utility model all can reach specified preheating temperature to the sinking roller of various materials according to preset automated closed-loop.
Description of drawings
Fig. 1 be used to sink for the utility model is a kind of simplified construction synoptic diagram of preheating unit of roller;
The longitudinal sectional view of the heating casing that Fig. 2 relates to for the utility model;
Fig. 3 is the A-A sectional view of Fig. 2.
Be labeled as among the figure: heating unit 1, heating casing 2, intelligent program controller 3, temperature measurement unit 4, solid state relay 5, heat-protecting glass cotton 6, zinc flow go out to lead to 7.
Embodiment
Be used to sink the preheating unit of roller like Fig. 1, Fig. 2, a kind of preheating quality that can improve the sinking roller that is that the utility model provides shown in Figure 3.Said preheating unit comprises that inside is equipped with the heating casing 2 of heating unit 1; Comprise that also a cover contains the Heating temperature automatic control system of signals collecting end and command execution end; The signals collecting end is positioned at heating casing 2, and the command execution end is connected on the electric current input line of heating unit 1.After adopting the preheating unit of said structure; Again on the Heating temperature automatic control system according to the material, support arm, steady bearing of sinking roller and the situation of being heated of sinking roller coating; Preset heating and temperature control curve; When temperature corresponding on the temperature of heating in the casing 2 and the heating and temperature control curve of presetting is inconsistent; The signal collection end will heat these actual temperatures in the casing 2 and be transformed into the Heating temperature automatic control system and can identified signal pass to the Heating temperature automatic control system; The Heating temperature automatic control system is exported an adjustment order again to the command execution end, changes the break-make situation of the electric current in the input heating unit 1, thereby realizes adding according to preset automated closed-loop the purpose of thermal control curve controlled sinking roller heating quality; Thereby effectively raise the preheating quality of sinking roller, and then the preheating unit that makes the utility model all can reach specified preheating temperature to the sinking roller of various materials.
For the structure that makes the Heating temperature automatic control system simpler; The module, the components and parts cost that use are lower, and then reduce production costs and running cost, simultaneously; Can conveniently preset the heating and temperature control curve again; The Heating temperature automatic control system also comprises intelligent program controller 3, and the signals collecting end is made up of temperature measurement unit 4, and the command execution end is made up of solid state relay 5; Temperature measurement unit 4 is installed on the inner side-wall of heating casing 2, and its signal output part is communicated with intelligent program controller 3; Solid state relay 5 is connected on the electric current input line of heating unit 1, and its order receiving end is communicated with intelligent program controller 3.Like this, when certain any temperature was set at certain value on the intelligent program controller 3, the thermoelectric force signal that temperature-measuring element 3 is produced compared with it; Obtain deviation signal; After intelligent program controller 3 processing and amplifying, produce a PID conditioning signal, the voltage signal of a 5～30V of output triggers solid state relay 5; Make-and-break time ratio through control solid state relay 5; Realize heating power control to heating unit 1, thus A.T.C, and press intelligent program controller 3 design temperatures and come the temperature of control heating casing 2 automatically.Thereby it is simple in structure that the Heating temperature automatic control system can be accomplished, can realize again heating casing 2 temperature auto control, and cost of investment is also lower.
What the heating casing 2 in the above-mentioned embodiment still adopted is heat hot casing 2 of the prior art; Like this; Calorific loss in heat-processed is still very serious, and production cost is still very high, and the fused zinc liquid that drips in the heat-processed still can be collected at the bottom of heating casing 2; When serious, the heating unit 1 that wire spiral is constituted burns.In order to reduce the calorific loss in the heat-processed, avoid wire spiral to be burnt, the preheating unit of the utility model also comprises heat-protecting glass cotton 6, heat-protecting glass cotton 6 is arranged on the inwall of heating casing 2; Also comprise galvanizing zinc flow pass 7, galvanizing zinc flow pass 7 is arranged on the bottom of heating casing 2.Because heat-protecting glass cotton 6 has good heat insulation effect, so just can effectively reduce the calorific loss of preheating unit in heat-processed; Bottom at heating casing 2 is provided with galvanizing zinc flow pass 7, and the liquid Zn that will splash into heating casing 2 bottoms that just can be instant derives heating casing 2, thereby has avoided wire spiral to burn owing to what short circuit caused.
Claims (5)
1. the preheating unit of the roller that is used to sink; Comprise that inside is equipped with the heating casing (2) of heating unit (1); It is characterized in that: comprise that also a cover contains the Heating temperature automatic control system of signals collecting end and command execution end; The signals collecting end is positioned at heating casing (2), and the command execution end is connected on the electric current input line of heating unit (1).
2. the preheating unit of a kind of roller that is used to sink according to claim 1; It is characterized in that: the Heating temperature automatic control system also comprises intelligent program controller (3); The signals collecting end is made up of temperature measurement unit (4), and the command execution end is made up of solid state relay (5); Temperature measurement unit (4) is installed on the inner side-wall of heating casing (2), and its signal output part is communicated with intelligent program controller (3); Solid state relay (5) is connected on the electric current input line of heating unit (1), and its order receiving end is communicated with intelligent program controller (3).
3. the preheating unit of a kind of roller that is used to sink according to claim 1 and 2 is characterized in that: also comprise heat-protecting glass cotton (6), heat-protecting glass cotton (6) is arranged on the inwall of heating casing (2).
4. the preheating unit of a kind of roller that is used to sink according to claim 1 and 2 is characterized in that: also comprise galvanizing zinc flow pass (7), galvanizing zinc flow pass (7) is arranged on the bottom of heating casing (2).
5. the preheating unit of a kind of roller that is used to sink according to claim 1 and 2, it is characterized in that: heating unit (1) is a wire spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201822575U CN202099365U (en) | 2011-06-01 | 2011-06-01 | Preheating device used for sink roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201822575U CN202099365U (en) | 2011-06-01 | 2011-06-01 | Preheating device used for sink roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202099365U true CN202099365U (en) | 2012-01-04 |
Family
ID=45385389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201822575U Expired - Fee Related CN202099365U (en) | 2011-06-01 | 2011-06-01 | Preheating device used for sink roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202099365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320736A (en) * | 2013-05-27 | 2013-09-25 | 首钢总公司 | A control method for startup of continuous hot dip galvanizing |
| CN104846305A (en) * | 2015-04-10 | 2015-08-19 | 武钢集团昆明钢铁股份有限公司 | Heat sink roll preheating method with full preheating and uniform heating |
-
2011
- 2011-06-01 CN CN2011201822575U patent/CN202099365U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320736A (en) * | 2013-05-27 | 2013-09-25 | 首钢总公司 | A control method for startup of continuous hot dip galvanizing |
| CN103320736B (en) * | 2013-05-27 | 2015-09-30 | 首钢总公司 | A kind of continuous hot galvanizing Starting control method |
| CN104846305A (en) * | 2015-04-10 | 2015-08-19 | 武钢集团昆明钢铁股份有限公司 | Heat sink roll preheating method with full preheating and uniform heating |
| CN104846305B (en) * | 2015-04-10 | 2017-05-03 | 武钢集团昆明钢铁股份有限公司 | Heat sink roll preheating method with full preheating and uniform heating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20160601 |