CN204752809U - Sealed hatch door of normalizing annealing stove furnace body - Google Patents
Sealed hatch door of normalizing annealing stove furnace body Download PDFInfo
- Publication number
- CN204752809U CN204752809U CN201520345604.XU CN201520345604U CN204752809U CN 204752809 U CN204752809 U CN 204752809U CN 201520345604 U CN201520345604 U CN 201520345604U CN 204752809 U CN204752809 U CN 204752809U
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- CN
- China
- Prior art keywords
- hatch door
- sealed hatch
- heater
- furnace body
- normalizing annealing
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- Expired - Fee Related
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- Heat Treatment Of Articles (AREA)
Abstract
The utility model discloses a sealed hatch door of normalizing annealing stove furnace body, the sealed hatch door install respectively on the feed inlet and discharge gate of normalizing annealing stove, the outside of feed inlet and discharge gate is equipped with the multichannel steel pipe and phoresys the roller frame, the sealed hatch door is the closing plate of rectangle, the both sides of closing plate are equipped with the location axle, the both sides of furnace body are equipped with two transmission gyro wheels, the below of transmission gyro wheel is equipped with lifts by crane the cylinder, lift by crane and be equipped with drive chain on the cylinder and connect epaxially in the location of closing plate through the transmission gyro wheel, the both sides that the steel pipe phoresied the roller frame are equipped with raster structure, it all connects on operational control console through control scheme to lift by crane cylinder and raster structure, the utility model discloses a leakproofness of reductive gas's normalizing annealing stove furnace body has been guaranteed to the hatch door structure of whole sealeds, through the switch of the sealed hatch door of grating control, control accurately, has shortened the switching time of steel pipe hatch door in feeding and ejection of compact operation process greatly, has avoided revealing of the interior reductive gas of furnace body, the operational environment of assurance factory safety.
Description
Technical field
The utility model relates to the utility appliance field of novel normalizing annealing furnace body of heater, particularly relates to a kind of sealed hatch door of normalizing annealing furnace body of heater.
Background technology
Normalizing annealing furnace common on the market is at present when carrying out annealing operation to steel pipe, and general employing nitrogen is that protection type atmosphere is protected, and prevents steel pipe to be oxidized in high temperature environments.But normalizing annealing furnace also needs continuous charging and draw operation in the course of the work, and nitrogen itself is close with air, charging and draw operation can not have an impact to furnace interior gas, therefore the hatch door passing in and out the body of heater of normalizing annealing furnace adopts common fire-resistant sliver to completely cut off, and its sealing property is inevitable poor.
And when normalizing annealing furnace is in order to improve the smooth finish of steel tube surface; reducing gas is adopted to be protection type atmosphere in emerging technology; these reducing gas are hydrogen and carbon monoxide; these gases are hazardous gas; be diffused into danger coefficient in air larger; can not directly contact with air, therefore common hatch door sealing property is poor, can not be applicable to the seal operation of the normalizing annealing furnace of existing reducing gas.
Utility model content
For above-mentioned Problems existing, the utility model object is to provide a kind of good sealing effect, easy to operate, is applicable to the sealed hatch door of the normalizing annealing furnace of reducing gas.
In order to achieve the above object, the technical solution adopted in the utility model is as follows: a kind of sealed hatch door of normalizing annealing furnace body of heater, on the opening for feed that described sealed hatch door is arranged on normalizing annealing furnace respectively and discharge port, described opening for feed and the outside of discharge port are provided with multiple tracks steel pipe and phoresy roll stand, described sealed hatch door is the sealing plate of rectangle, sealing plate top be flexibly connected on body of heater by turning axle, described sealing plate both sides be provided with locating shaft, the both sides of body of heater are provided with two live rollers, the below of live roller is provided with lifting cylinder, described lifting cylinder be provided with driving chain through live roller be connected to sealing plate on locating shaft, the both sides that described steel pipe phoresys roll stand are provided with grating signal projector and grating signal receptor, described lifting cylinder and grating signal projector, receptor is all connected on operating console by control circuit.
Improve as one of the present utility model, described grating signal projector and grating signal receptor are arranged on the steel pipe nearest apart from sealed hatch door and phoresy in roll stand; Phoresied the grating receiver in roll stand by the steel pipe nearest apart from sealed hatch door, driven the switch controlling sealed hatch door by grating signal, the door-down switch time is short, avoids the leakage of the inner reducing gas of sealed hatch door largely.
Improve as one of the present utility model, the overhead height that described steel pipe phoresys roll stand is identical with the bottom level of body of heater opening for feed; Highly identical steel pipe phoresys roll stand and opening for feed, facilitates the charging of horizontal steel tube, prevents from rubbing in steel pipe fill process.
Improve as one of the present utility model, the described inner side of sealed hatch door and the contact position of body of heater are provided with resistant to elevated temperatures elastic sealing layer; Improved the sealing property of sealed hatch door by elastic sealing layer further, ensure the normal work of the gas in body of heater.
Improve as one of the present utility model, be provided with a pair grating signal projector and grating signal receptor in the body of heater inside described normalizing annealing furnace discharge port, it is connected through control circuit with the sealed hatch door of discharge port; Grating signal projector in body of heater and grating signal receptor, for controlling the switch of the sealed hatch door of discharge port, when steel pipe is transferred to discharge port, controls in time to seal opening of hatch door by grating signal, improve the working efficiency of single unit system.
The utility model has the advantage of: the utility model, by all sealed cabin door structure, ensure that the stopping property of the normalizing annealing furnace body of heater adopting reducing gas; With timer in fill process, controlled the switch of sealing hatch door by grating, control precisely, to substantially reduce the switching time of steel pipe hatch door in charging and draw operation process, avoid the leakage of reducing gas in body of heater to the full extent; Sealed hatch door is connected closely with body of heater, ensure that body of heater is in course of normal operation, the stopping property of its inside, prevents the leakage of reducing gas, ensures the Working environment of factory safety.
Accompanying drawing explanation
Fig. 1 is feeding inlet structure sketch of the present utility model;
Fig. 2 is this practical new texture simplified schematic diagram;
Wherein, 1 normalizing annealing furnace body of heater, 2 steel pipes phoresy roll stand, 3 sealed hatch doors, 4 locating shafts, 5 driving chains, 6 live rollers, 7 lifting cylinders, 8 optical grating constructions, 8-1 light shines signal projector, 8-2 grating signal receptor, 9 control circuits, 10 operating consoles, 11 elastic sealing layers.
Embodiment
Illustrate below in conjunction with accompanying drawing and with embodiment, the utility model to be described in further detail.
embodiment 1:as illustrated in fig. 1 and 2, a kind of sealed hatch door of normalizing annealing furnace body of heater, on the opening for feed that described sealed hatch door is arranged on normalizing annealing furnace 1 respectively and discharge port, described opening for feed and the outside of discharge port are provided with multiple tracks steel pipe and phoresy roll stand 2, described sealed hatch door 3 is the sealing plate of rectangle, the top of sealing plate 3 is flexibly connected on body of heater 1 by turning axle, the both sides of described sealing plate 3 are provided with locating shaft 4, the both sides of body of heater 1 are provided with two live rollers 5, the below of live roller 6 is provided with lifting cylinder 7, described lifting cylinder 7 is provided with driving chain 5 and is connected on the locating shaft 4 of sealing plate 3 through live roller 6, the both sides that described steel pipe phoresys roll stand 2 are provided with optical grating construction, described optical grating construction comprises grating signal projector 8-1 and grating signal receptor 8-2, described lifting cylinder 7 and optical grating construction 8 are all connected on operating console 10 by control circuit 9.
embodiment 2:as illustrated in fig. 1 and 2, grating signal projector 8-1 and grating signal receptor 8-2 is arranged on the steel pipe nearest apart from sealed hatch door 3 and phoresys in roll stand 2; Phoresied the optical grating construction 8 in roll stand 2 by the steel pipe nearest apart from sealed hatch door 3, driven the switch controlling sealed hatch door 3 by grating signal, the door-down switch time is short, avoids the leakage of the inner reducing gas of sealed hatch door 3 largely.
embodiment 3:as illustrated in fig. 1 and 2, to phoresy the overhead height of roll stand 2 identical with the bottom level of body of heater 1 opening for feed for steel pipe; Highly identical steel pipe phoresys roll stand 2 and opening for feed, facilitates the charging of horizontal steel tube, avoids rubbing in steel pipe fill process.
embodiment 4:as illustrated in fig. 1 and 2, the inner side of sealed hatch door 3 and the contact position of body of heater 1 are provided with resistant to elevated temperatures elastic sealing layer 11; Improved the sealing property of sealed hatch door 3 by elastic sealing layer 11 further, ensure the normal work of the gas in body of heater 1.
embodiment 5:be provided with a pair grating signal projector 8-1 and grating signal receptor 8-2 in body of heater 1 inside normalizing annealing furnace discharge port, it is connected through control circuit 9 with the sealed hatch door 3 of discharge port; Grating signal projector 8-1 in body of heater 1 and grating signal receptor 8-2, for controlling the switch of the sealed hatch door 3 of discharge port, when steel pipe is transferred to discharge port, controls in time to seal opening of hatch door 3 by grating signal, improves the working efficiency of single unit system.
It should be noted that, above-mentioned is only preferred embodiment of the present utility model, is not used for limiting protection domain of the present utility model, and equivalents done on the basis of above-described embodiment all belongs to protection domain of the present utility model.
Claims (5)
1. the sealed hatch door of a normalizing annealing furnace body of heater, on the opening for feed that described sealed hatch door is arranged on normalizing annealing furnace respectively and discharge port, described opening for feed and the outside of discharge port are provided with multiple tracks steel pipe and phoresy roll stand, it is characterized in that, described sealed hatch door is the sealing plate of rectangle, sealing plate top be flexibly connected on body of heater by turning axle, described sealing plate both sides be provided with locating shaft, the both sides of body of heater are provided with two live rollers, the below of live roller is provided with lifting cylinder, described lifting cylinder be provided with driving chain through live roller be connected to sealing plate on locating shaft, the both sides that described steel pipe phoresys roll stand are provided with grating signal projector and grating signal receptor, described lifting cylinder and grating signal signal projector, receptor is all connected on operating console by control circuit.
2. the sealed hatch door of normalizing annealing furnace body of heater according to claim 1, is characterized in that, described grating signal projector and grating signal receptor are arranged on the steel pipe nearest apart from sealed hatch door and phoresy in roll stand.
3. the sealed hatch door of normalizing annealing furnace body of heater according to claim 1, is characterized in that, the overhead height that described steel pipe phoresys roll stand is identical with the bottom level of body of heater opening for feed.
4. the sealed hatch door of normalizing annealing furnace body of heater according to claim 1, is characterized in that, the described inner side of sealed hatch door and the contact position of body of heater are provided with resistant to elevated temperatures elastic sealing layer.
5. the sealed hatch door of the normalizing annealing furnace body of heater according to claim 1 or 2 or 3 or 4, it is characterized in that, be provided with a pair grating signal projector and grating signal receptor in body of heater inside described normalizing annealing furnace discharge port, it is connected through control circuit with the sealed hatch door of discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345604.XU CN204752809U (en) | 2015-05-26 | 2015-05-26 | Sealed hatch door of normalizing annealing stove furnace body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345604.XU CN204752809U (en) | 2015-05-26 | 2015-05-26 | Sealed hatch door of normalizing annealing stove furnace body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204752809U true CN204752809U (en) | 2015-11-11 |
Family
ID=54467538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520345604.XU Expired - Fee Related CN204752809U (en) | 2015-05-26 | 2015-05-26 | Sealed hatch door of normalizing annealing stove furnace body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204752809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611479A (en) * | 2018-07-19 | 2018-10-02 | 南通高新工业炉有限公司 | A kind of aluminium alloy continuous heat-treating drier |
| CN109852784A (en) * | 2019-02-18 | 2019-06-07 | 刘昊 | A kind of well formula wire rod annealing furnace |
-
2015
- 2015-05-26 CN CN201520345604.XU patent/CN204752809U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611479A (en) * | 2018-07-19 | 2018-10-02 | 南通高新工业炉有限公司 | A kind of aluminium alloy continuous heat-treating drier |
| CN109852784A (en) * | 2019-02-18 | 2019-06-07 | 刘昊 | A kind of well formula wire rod annealing furnace |
| CN109852784B (en) * | 2019-02-18 | 2021-08-06 | 嘉善三永电炉工业有限公司 | Well type annealing furnace for wire rod |
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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 |
Granted publication date: 20151111 Termination date: 20200526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |