CN205329126U - Flat cold rolled sheet is with preheating device of annealing stove - Google Patents
Flat cold rolled sheet is with preheating device of annealing stove Download PDFInfo
- Publication number
- CN205329126U CN205329126U CN201521006519.7U CN201521006519U CN205329126U CN 205329126 U CN205329126 U CN 205329126U CN 201521006519 U CN201521006519 U CN 201521006519U CN 205329126 U CN205329126 U CN 205329126U
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- CN
- China
- Prior art keywords
- preheating device
- preheating
- rolled sheet
- flue gas
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- Y02P10/20—Recycling
Abstract
The utility model discloses a flat cold rolled sheet is with preheating device of annealing stove, include flue gas pipeline, preheat the pipeline, the flue gas pipeline both ends form an entry and export with one, the pipeline cover that preheats establish flue gas pipeline outside form a toroidal cavity with the flue gas pipeline outer wall, toroidal cavity in annotate and to have high -efficient conduction oil. In this way, the utility model provides a preheating device of annealing stove utilizes heat behind the high -efficient heat -conducting oil combustion air in to flue gas pipeline to carry out preheating, and then infeeds the burning of fuel combustion area, and it is pollution -free, energy -efficient to preheat the mode environmental protection, the circulated use of conduction oil, and safe and reliable, preheating effect is good, effectively improves fuel combustion efficiency.
Description
Technical field
This utility model relates to annealing furnace device field, particularly relates to the preheating device of a kind of flat cold-rolled sheet annealing furnace。
Background technology
Cold rolling after-baking is the important procedure in cold rolling production, cold-reduced sheet mostly is mild steel, it rolls after-baking and is generally recrystallization annealing, cold-reduced sheet reduces the hardness of steel by recrystallization annealing, eliminate cold work hardening, improve the performance of steel, recover the plastic deformation ability of steel, eliminate the purpose of residual stress, stable dimensions, minimizing deformation and crackle tendency, crystal grain thinning, adjustment tissue, elimination tissue defects, and the recrystallization annealing of cold-reduced sheet carries out in the lehr。
Annealing refers to and metal is heated slowly to uniform temperature, keeps enough time, then cools down with Reasonable Speed, needs to carry out 2 air preheats in existing annealing furnace, and in this case, temperature is not high enough, in subsequent heat process, burns abundant not。
Utility model content
This utility model is mainly solving the technical problems that provide the preheating device of a kind of flat cold-rolled sheet annealing furnace, combustion air in flue can be carried out the pre-heat treatment, then fuel combustion zone burning is fed again, preheating method is environment friendly and pollution-free, energy-efficient, conduction oil can be recycled, safe and reliable, pre-heat effect is good, is effectively improved fuel economy。
For solving above-mentioned technical problem, the technical scheme that this utility model adopts is: provide the preheating device of a kind of flat cold-rolled sheet annealing furnace, it is characterized in that, including: flue, preheating pipe, described flue two ends form an entrance and an outlet, described preheating pipe is set in described flue outside and forms a toroidal cavity with flue outer wall, is marked with high-efficiency heat conduction oil in described toroidal cavity。
In one preferred embodiment of this utility model, described toroidal cavity, for sealing structure, is provided with electrothermal tube in cavity。
In one preferred embodiment of this utility model, described high-efficiency heat conduction oil accounts for the 80% ~ 90% of toroidal cavity cavity。
In one preferred embodiment of this utility model, the central axis of described flue and described preheating pipe is point-blank。
In one preferred embodiment of this utility model, described flue is high temperature resistant stainless steel pipe。
The beneficial effects of the utility model are: the preheating device of annealing furnace provided by the utility model, utilize the heat after the heating of high-efficiency heat conduction oil that the combustion air in flue is carried out the pre-heat treatment, then fuel combustion zone burning is fed again, preheating method is environment friendly and pollution-free, energy-efficient, conduction oil can be recycled, safe and reliable, pre-heat effect is good, is effectively improved fuel economy。
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of preheating device one preferred embodiment of a kind of flat cold-rolled sheet annealing furnace of this utility model；
Fig. 2 is the profile of the preheating device of shown a kind of flat cold-rolled sheet annealing furnace；
In accompanying drawing, the labelling of each parts is as follows: 1-flue, 2-preheating pipe, 11-entrance, 12-outlet, 3-toroidal cavity, 4-electrothermal tube, 5-high-efficiency heat conduction oil。
Detailed description of the invention
Technical scheme in this utility model embodiment will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments。Based on the embodiment in this utility model, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
Referring to Fig. 1 and Fig. 2, this utility model embodiment includes:
A kind of preheating device of flat cold-rolled sheet annealing furnace, it is characterized in that, including: flue 1, preheating pipe 2, described flue 1 two ends form entrance 11 and an outlet 12, described preheating pipe 2 is set in described flue 1 outside and forms a toroidal cavity 3 with flue 1 outer wall, is marked with high-efficiency heat conduction oil 5 in described toroidal cavity 3。
Described toroidal cavity 3, for sealing structure, is provided with electrothermal tube 4, is high-efficiency heat conduction oil 5 around electrothermal tube 4 in cavity。
Described high-efficiency heat conduction oil 5 accounts for the 80% ~ 90% of toroidal cavity 3 cavity。
Described flue 1 and the central axis of described preheating pipe 2 are point-blank。
Described flue 1 is high temperature resistant stainless steel pipe。
Utility model works principle: cold combustion air passes through flue 1, enters combustion zone again and burns, be effectively improved efficiency of combustion after the heating of high-efficiency heat conduction oil 5。
The preheating device of annealing furnace provided by the utility model, utilize the heat after the heating of high-efficiency heat conduction oil that the combustion air in flue is carried out the pre-heat treatment, then fuel combustion zone burning is fed again, preheating method is environment friendly and pollution-free, energy-efficient, conduction oil can be recycled, safe and reliable, pre-heat effect is good, is effectively improved fuel economy。
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, all in like manner include in scope of patent protection of the present utility model。
Claims (5)
1. the preheating device of a flat cold-rolled sheet annealing furnace, it is characterized in that, including: flue, preheating pipe, described flue two ends form an entrance and an outlet, described preheating pipe is set in described flue outside and forms a toroidal cavity with flue outer wall, is marked with high-efficiency heat conduction oil in described toroidal cavity。
2. the preheating device of flat cold-rolled sheet annealing furnace according to claim 1, it is characterised in that described toroidal cavity, for sealing structure, is provided with electrothermal tube in cavity。
3. the preheating device of flat cold-rolled sheet annealing furnace according to claim 1, it is characterised in that described high-efficiency heat conduction oil accounts for the 80% ~ 90% of toroidal cavity cavity。
4. the preheating device of flat cold-rolled sheet annealing furnace according to claim 1, it is characterised in that the central axis of described flue and described preheating pipe is point-blank。
5. the preheating device of flat cold-rolled sheet annealing furnace according to claim 1, it is characterised in that described flue is high temperature resistant stainless steel pipe。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521006519.7U CN205329126U (en) | 2015-12-08 | 2015-12-08 | Flat cold rolled sheet is with preheating device of annealing stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521006519.7U CN205329126U (en) | 2015-12-08 | 2015-12-08 | Flat cold rolled sheet is with preheating device of annealing stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205329126U true CN205329126U (en) | 2016-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521006519.7U Expired - Fee Related CN205329126U (en) | 2015-12-08 | 2015-12-08 | Flat cold rolled sheet is with preheating device of annealing stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205329126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483356A (en) * | 2015-12-08 | 2016-04-13 | 无锡华工薄板有限公司 | Preheating device of annealing furnace for cold-rolled sheets |
-
2015
- 2015-12-08 CN CN201521006519.7U patent/CN205329126U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483356A (en) * | 2015-12-08 | 2016-04-13 | 无锡华工薄板有限公司 | Preheating device of annealing furnace for cold-rolled sheets |
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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: 20160622 Termination date: 20161208 |