CN113106209B - Horizontal furnace heat insulation door for strip steel annealing - Google Patents
Horizontal furnace heat insulation door for strip steel annealing Download PDFInfo
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- CN113106209B CN113106209B CN202110343515.1A CN202110343515A CN113106209B CN 113106209 B CN113106209 B CN 113106209B CN 202110343515 A CN202110343515 A CN 202110343515A CN 113106209 B CN113106209 B CN 113106209B
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- support plate
- fixedly connected
- plate
- strip steel
- fire
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention provides a horizontal furnace heat-insulating door for strip steel annealing, which comprises a base, a sliding seat, a door frame, a heat-insulating door body and a stabilizing assembly, wherein the door frame is fixedly installed at the upper end of the base through the sliding seat, the door frame is of a frame structure, two sides of the heat-insulating door body are fixedly connected to the inside of the door frame, and the upper end of the heat-insulating door body is fixedly connected to an external fixed frame through the stabilizing assembly. The horizontal furnace heat insulation door for strip steel annealing can inject gas into the cylinder or exhaust gas from the cylinder through the external air pump to control the telescopic rod in the cylinder to stretch, so that the heat insulation door body can move up and down, can be adapted to different horizontal furnaces, can meet the opening and closing of a furnace opening during strip steel passing, and is convenient and safe to use.
Description
Technical Field
The invention belongs to the field of steel plate strip production, and particularly relates to a horizontal furnace heat insulation door for strip steel annealing.
Background
In a stainless steel strip cold rolling annealing pickling line, a cold wire horizontal annealing furnace is important equipment for annealing and heating treatment of strip steel, the temperature in the furnace can reach over 1000 ℃, a furnace opening is open to ensure continuous running of the strip steel in the furnace, in the prior art, in order to avoid high temperature overflow from the furnace opening, the conventional furnace opening sealing design adopts a compressed cold opening air seal water adding sleeve for cooling and sealing, and the sealing has high equipment failure rate due to long-time high temperature contact, serious water jacket water leakage, cold air entering, poor energy saving effect and low equipment utilization rate.
Disclosure of Invention
In view of the above, the present invention is directed to a heat insulation door of a horizontal furnace for strip steel annealing, so as to solve the problem of heat insulation of an opening of the horizontal furnace during strip steel annealing operation.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides an annealing horizontal stove insulated door of belted steel, includes base, slide, portal, insulated door body and firm subassembly, and the portal is passed through slide fixed mounting portal in the base upper end, and the portal is frame construction, and inside the both sides fixed connection to portal of insulated door body, the insulated door body upper end was through external mount of firm subassembly fixed connection.
Furthermore, the base comprises a first support plate, a second support plate, a cylinder, a third support plate, a fourth support plate and a slide rod, the first support plate and the second support plate are arranged in parallel, two fourth support plates are arranged between the first support plate and the second support plate, and the two fourth supporting plates are arranged in parallel, one end of the air cylinder is fixedly connected to the upper end of the first supporting plate, the other end of the air cylinder is fixedly provided with the third supporting plate, the air cylinder is positioned between the two fourth supporting plates, the fourth supporting plate is made of U-shaped steel, the fourth supporting plate is provided with a first rectangular long hole, two ends of the third supporting plate respectively penetrate through one sliding rod arranged behind the first rectangular long hole, two ends of the second supporting plate are respectively provided with one sliding hole, one end of each sliding rod is fixedly connected to one end of the third supporting plate, the other end of each sliding rod penetrates through one sliding hole and then is fixedly connected to the bottom end of the sliding seat, and the air cylinder is externally connected with an air pump through an air pipe.
Furthermore, the sliding seat comprises a fifth support plate, a sixth support plate and a central shaft, one end of the sliding rod is fixedly connected to the lower end of the fifth support plate, the two sixth support plates are fixed to the upper end of the fifth support plate and are arranged in parallel, the periphery of the central shaft is respectively sleeved to the middle parts of the two sixth support plates, and the lower surface of the strip steel is in contact connection with the periphery of the central shaft.
Furthermore, a first fire-resistant layer wraps the periphery of the middle shaft, and the lower surface of the strip steel is in contact connection with the periphery of the first fire-resistant layer.
Furthermore, the first fire-resistant layer is made of fire-resistant ropes, and the fire-resistant ropes are wrapped to the periphery of the central shaft in a spiral manner.
Furthermore, the portal comprises seventh supporting plates mounted on each fifth supporting plate, and two sides of the heat insulation door body are respectively and fixedly connected to one side of one of the seventh supporting plates.
Furthermore, the seventh supporting plate comprises a first plate body and a second plate body which are of an integral structure, the first plate body and the second plate body are perpendicular to each other, a second rectangular long hole is formed in the first plate body, a third rectangular long hole is formed in the second plate body, the first fixing bolt penetrates through the second rectangular long hole and is used for fixing the relative position of the seventh supporting plate and the heat insulation door body, and the second fixing bolt penetrates through the third rectangular long hole and is used for fixing the relative position of the seventh supporting plate and the fifth supporting plate.
Furthermore, the heat insulation door body comprises a plate body and a second fire-resistant layer arranged on one side of the plate body, the second fire-resistant layer is located between the horizontal furnace mouth and the plate body, the strip steel is located below the second fire-resistant layer, and two sides of the plate body are fixedly connected to one side of the seventh support plate respectively.
Furthermore, the stabilizing assembly comprises a plurality of hanging chains which are arranged in parallel, one end of each hanging chain is fixedly connected to the upper end of the plate body, and the other end of each hanging chain is fixedly connected to the external fixing frame.
Compared with the prior art, the horizontal furnace heat-insulating door for strip steel annealing has the following beneficial effects:
(1) the horizontal furnace heat insulation door for strip steel annealing can inject gas into the cylinder or exhaust gas from the cylinder through the external air pump to control the telescopic rod in the cylinder to stretch, so that the heat insulation door body can move up and down, can be adapted to different horizontal furnaces, can meet the opening and closing of a furnace opening during strip steel passing, and is convenient and safe to use.
(2) According to the horizontal furnace heat insulation door for strip steel annealing, the heat insulation door body adopts the combination of the plate body and the refractory cotton which can be adjusted up and down, the position between the heat insulation door and the steel coil can be conveniently adjusted, so that high-temperature overflow is prevented, the horizontal furnace heat insulation door is suitable for producing strip steel with different specifications and models, horizontal furnaces with different powers can be matched, the device is widely applied, and the manufacturing cost is low.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a horizontal furnace heat-insulating door for annealing strip steel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a seventh support plate according to an embodiment of the present invention.
Description of the reference numerals:
1-a base; 11-a first plate; 12-a second plate; 13-a cylinder; 14-a third plate; 15-a fourth support plate; 16-a slide bar; 2-a slide seat; 21-a fifth plate; 22-a sixth plate; 23-medial axis; 24-a first refractory layer; 3-gantry; 31-a seventh plate; 32-a first securing peg; 33-a second securing peg; 4-heat insulation door body.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in figures 1-2, the horizontal furnace heat insulation door for strip steel annealing comprises a base 1, a sliding seat 2, a portal 3, a heat insulation door body 4 and a stabilizing component, wherein the portal 3 is fixedly installed at the upper end of the base 1 through the sliding seat 2, the portal 3 is of a frame structure, two sides of the heat insulation door body 4 are fixedly connected to the inside of the portal 3, the upper end of the heat insulation door body 4 is fixedly connected to an external fixed frame through the stabilizing component, the base 1 comprises a first support plate 11, a second support plate 12, a cylinder 13, a third support plate 14, a fourth support plate 15 and a slide rod 16, the first support plate 11 and the second support plate 12 are arranged in parallel, the two fourth support plates 15 are installed between the first support plate 11 and the second support plate 12, the two fourth support plates 15 are arranged in parallel, one end of the cylinder 13 is fixedly connected to the upper end of the first support plate 11, the other end of the cylinder 13 is fixedly installed with the third support plate 14, the cylinder 13 is positioned between the two fourth support plates 15, the fourth support plate 15 is made of U-shaped steel, a first rectangular long hole is formed in the fourth support plate 15, a sliding rod 16 is installed at two ends of a third support plate 14 after penetrating through the first rectangular long hole respectively, a sliding hole is formed in two ends of a second support plate 12 respectively, one end of the sliding rod 16 is fixedly connected to one end of the third support plate 14, the other end of the sliding rod 16 penetrates through the sliding hole and is fixedly connected to the bottom end of the sliding seat 2, the air cylinder 13 is externally connected with an air pump through an air pipe, the external air pump controls the expansion and contraction of an expansion rod in the air cylinder 13 through air injection or air suction into the air cylinder 13, the expansion and contraction rod of the air cylinder 13 sequentially passes through the third support plate 14 and the sliding rod 16 to drive the sliding seat 2 to slide, and accordingly the heat insulation door body 4 can move up and down, and can be adapted to different horizontal furnaces to use, meanwhile opening and closing of a furnace opening can be met when strip steel penetrates.
The sliding seat 2 comprises a fifth support plate 21, sixth support plates 22 and a central shaft 23, one end of the sliding rod 16 is fixedly connected to the lower end of the fifth support plate 21, the upper end of the fifth support plate 21 is fixedly provided with two sixth support plates 22, the two sixth support plates 22 are arranged in parallel, the periphery of the central shaft 23 is respectively sleeved to the middle parts of the two sixth support plates 22, and the lower surface of the strip steel is in contact connection with the periphery of the central shaft 23.
The first flame retardant coating 24 of axis 23 periphery parcel, the contact of belted steel lower surface is connected to first flame retardant coating 24 periphery, the material of first flame retardant coating 24 is the fire-resistant rope, just the fire-resistant rope is the heliciform parcel to axis 23 periphery, and first flame retardant coating 24 is used for preventing the scratch of belted steel lower surface, and the mode of fire-resistant rope parcel is easy to assemble and change simultaneously, also can guarantee installation quality such as parcel radius simultaneously.
The door frame 3 includes a seventh support plate 31 mounted on each of the fifth support plates 21, and both sides of the heat insulating door body 4 are fixedly connected to one side of one of the seventh support plates 31, respectively.
The seventh support plate 31 comprises a first plate body and a second plate body which are of an integral structure, the first plate body and the second plate body are perpendicular to each other, a second rectangular long hole is formed in the first plate body, a third rectangular long hole is formed in the second plate body, a first fixing bolt 32 penetrates through the second rectangular long hole and is used for fixing the relative position of the seventh support plate 31 and the heat insulation door body 4, a second fixing bolt 33 penetrates through the third rectangular long hole and is used for fixing the relative position of the seventh support plate 31 and the fifth support plate 21, and the movement of the relative position of the heat insulation door is facilitated through the second rectangular long hole and the third rectangular long hole.
The thermal-insulated door body 4 includes the plate body and the second flame retardant coating that one side set up, the second flame retardant coating is located between horizontal fire door and the plate body, belted steel is located the second flame retardant coating below, the material of second flame retardant coating is the refractory wool, the both sides of plate body are fixed connection respectively to one side of seventh support board 31, the thermal-insulated door has changed original sealed mode, avoid using sealed water jacket, the cooling air knife structure, adopt the plate body that can adjust from top to bottom and the combination of refractory wool, can conveniently adjust the position between thermal-insulated door and the coil of strip, thereby prevent that high temperature from overflowing.
The stabilizing assembly comprises a plurality of hanging chains which are arranged in parallel, one end of each hanging chain is fixedly connected to the upper end of the plate body, the other end of each hanging chain is fixedly connected to the external fixing frame, each hanging chain is a reinforcing structure of the heat insulation door body 4, the heat insulation door is prevented from being fixed and loosened due to the fact that the heat insulation door is influenced by the fact that strip steel shakes after passing through in the long-time use process, and safety during production of the heat insulation door is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A horizontal furnace heat insulation door for strip steel annealing is characterized in that: the device comprises a base (1), a sliding seat (2), a portal (3), a heat-insulating door body (4) and a stabilizing component, wherein the upper end of the base (1) is fixedly provided with the portal (3) through the sliding seat (2), the portal (3) is of a frame structure, two sides of the heat-insulating door body (4) are fixedly connected into the portal (3), the upper end of the heat-insulating door body (4) is fixedly connected to an external fixed frame through the stabilizing component, the base (1) comprises a first support plate (11), a second support plate (12), an air cylinder (13), a third support plate (14), a fourth support plate (15) and a sliding rod (16), the first support plate (11) and the second support plate (12) are arranged in parallel, the two fourth support plates (15) are arranged between the first support plate (11) and the second support plate (12), the two fourth support plates (15) are arranged in parallel, one end of the air cylinder (13) is fixedly connected to the upper end of the first support plate (11), a third support plate (14) is fixedly installed at the other end of the air cylinder (13), the air cylinder (13) is positioned between two fourth support plates (15), the fourth support plates (15) are made of U-shaped steel, first rectangular long holes are formed in the fourth support plates (15), a sliding rod (16) is installed at two ends of each third support plate (14) after penetrating through one first rectangular long hole, two sliding holes are formed in two ends of each second support plate (12), one end of each sliding rod (16) is fixedly connected to one end of each third support plate (14), the other end of each sliding rod (16) penetrates through one sliding hole and then is fixedly connected to the bottom end of the sliding seat (2), the air cylinder (13) is externally connected with an air pump through an air pipe, the sliding seat (2) comprises fifth support plates (21), sixth support plates (22) and a middle shaft (23), one end of each sliding rod (16) is fixedly connected to the lower end of each fifth support plate (21), and two sixth support plates (22) are fixed at the upper end of each fifth support plate (21), the two sixth support plates (22) are arranged in parallel, the periphery of the central shaft (23) is respectively sleeved to the middle parts of the two sixth support plates (22), and the lower surface of the strip steel is in contact connection with the periphery of the central shaft (23).
2. The horizontal furnace heat-insulating door for strip annealing according to claim 1, wherein: the periphery of the middle shaft (23) is wrapped by a first fire-resistant layer (24), and the lower surface of the strip steel is connected to the periphery of the first fire-resistant layer (24) in a contact manner.
3. The horizontal furnace heat-insulating door for strip annealing according to claim 2, characterized in that: the first fire-resistant layer (24) is made of a fire-resistant rope, and the fire-resistant rope is wrapped to the periphery of the middle shaft (23) in a spiral shape.
4. The horizontal furnace heat-insulating door for strip steel annealing according to claim 1, characterized in that: the portal (3) comprises a seventh support plate (31) mounted on each fifth support plate (21), and two sides of the heat insulation door body (4) are fixedly connected to one side of the seventh support plate (31) respectively.
5. The horizontal furnace heat-insulating door for strip annealing according to claim 4, wherein: the seventh support plate (31) comprises a first plate body and a second plate body which are of an integral structure, the first plate body and the second plate body are perpendicular to each other, a second rectangular long hole is formed in the first plate body, and a third rectangular long hole is formed in the second plate body.
6. The horizontal furnace heat-insulating door for strip steel annealing according to claim 4, characterized in that: the heat insulation door body (4) comprises a plate body and a second fire-resistant layer arranged on one side of the plate body, the second fire-resistant layer is positioned between the horizontal furnace mouth and the plate body, the strip steel is positioned below the second fire-resistant layer, and two sides of the plate body are respectively and fixedly connected to one side of the seventh support plate (31).
7. The horizontal furnace heat-insulating door for strip annealing according to claim 6, characterized in that: the stabilizing assembly comprises a plurality of hanging chains which are arranged in parallel, one end of each hanging chain is fixedly connected to the upper end of the plate body, and the other end of each hanging chain is fixedly connected to the external fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110343515.1A CN113106209B (en) | 2021-03-30 | 2021-03-30 | Horizontal furnace heat insulation door for strip steel annealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110343515.1A CN113106209B (en) | 2021-03-30 | 2021-03-30 | Horizontal furnace heat insulation door for strip steel annealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113106209A CN113106209A (en) | 2021-07-13 |
| CN113106209B true CN113106209B (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110343515.1A Active CN113106209B (en) | 2021-03-30 | 2021-03-30 | Horizontal furnace heat insulation door for strip steel annealing |
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| CN (1) | CN113106209B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200988854Y (en) * | 2006-10-31 | 2007-12-12 | 黄石山力科技发展有限公司 | Strip steel horizontal continuous annealing furnace inlet seal device |
| CN201136885Y (en) * | 2007-12-04 | 2008-10-22 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace door sealing arrangement sealed through double-roller |
| CN108977648B (en) * | 2018-09-21 | 2024-01-05 | 山东宏旺实业有限公司 | Furnace door structure of annealing furnace |
| DE102019004618A1 (en) * | 2019-06-26 | 2020-12-31 | Bsn Thermprozesstechnik Gmbh | Roller hearth continuous furnace system and process for heating steel blanks coated with aluminum, silicon and / or zinc to hardening and pressing temperature |
| CN211147328U (en) * | 2019-11-28 | 2020-07-31 | 章丘市普锐锻压有限公司 | Furnace door lifting device of heating furnace |
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2021
- 2021-03-30 CN CN202110343515.1A patent/CN113106209B/en active Active
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| CN113106209A (en) | 2021-07-13 |
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