CN203657483U - Laterally-opening type complete-fiber material feeding and discharging furnace door device of annular furnace - Google Patents
Laterally-opening type complete-fiber material feeding and discharging furnace door device of annular furnace Download PDFInfo
- Publication number
- CN203657483U CN203657483U CN201320812444.6U CN201320812444U CN203657483U CN 203657483 U CN203657483 U CN 203657483U CN 201320812444 U CN201320812444 U CN 201320812444U CN 203657483 U CN203657483 U CN 203657483U
- Authority
- CN
- China
- Prior art keywords
- furnace door
- fiber
- fire door
- annular furnace
- liner plate
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Special Wing (AREA)
Abstract
The utility model provides a laterally-opening type complete-fiber material feeding and discharging furnace door device of an annular furnace. The laterally-opening type complete-fiber material feeding and discharging furnace door device comprises a furnace door liner plate, a fiber blanket and a zirconium-containing type fiber module. The furnace door liner plate is fixedly connected with the fiber module, and the fiber blanket is located between the furnace door liner plate and the fiber module. By means of the laterally-opening type complete-fiber material feeding and discharging furnace door device, the furnace door with a fiber liner is one tenth the weight of a furnace door with a castable liner, weight of the furnace door can be substantially lowered, operation of a traction mechanism can be more stable, the heat preservation effect is obviously improved, heat dissipation capacity of the furnace door is reduced, and the service life of the furnace door is prolonged.
Description
Technical field
The utility model relates to a kind of parts of industrial annular furnace, especially relates to the laterally opened full fiber of a kind of annular furnace and takes on material stove gate device.
Background technology
Industrial annular furnace is usually used in heating steel ingot, heats because steel ingot need to pack in stove, after heating, will in stove, take out, and therefore on annular furnace, needs to arrange dress, discharging door.Existing dress, discharging door mainly contain two kinds of switching forms, the one, upper and lower hoisting type, the 2nd, left and right parallel-moving type.
Wherein upper and lower hoisting type is subject to the impact of door weight, is usually used in heating on the annular furnace of small dimension blank, and for the annular furnace that heats φ 500 round ingots, conventionally uses left and right parallel-moving type dress, discharging door.
Because annular furnace furnace temperature is up to 1280 ℃, fire door directly contacts with high-temperature furnace gas, for guaranteeing fire door service life, in furnace door frame, all adopt refractory material laying, generally adopting thickness is the castable of high temperature resistant (serviceability temperature reaches 1500 ℃) of 250mm and the heat insulation effect (thermal conductivity factor 0.16W/(m ℃) that thickness is 50mm) composite construction of fiberboard preferably.
The compound that castable is made up of aggregate and one or more bonding agents.This compound can be fire-resistant, can be also insulation.Exceed 1200 ℃ for serviceability temperature, adopt castable refractory, it has advantages of that serviceability temperature is high, but has the poor shortcoming of heat insulation effect.Thermal conductivity factor is heat flow density and the ratio of thermograde.The heat flow density producing in object under unit temperature gradient effect, unit is W/(m ℃), numerical value is lower represents that heat insulation effect is better.
Conventionally castable thermal conductivity factor is 1.37W/(m ℃), with fiberboard comparison, be its more than 8 times, thermal conductivity factor is larger, heat insulation effect is poorer, therefore furnace door frame temperature is higher, and theoretical accounting temperature is 140 ℃, and framework temperature is high, steel member is oxidizable, deformed damaged, heat loss is large, causes stove gate severe operational environment around.
Further, castable density is 2500kg/cm conventionally
3, fiberboard density is 280kg/cm
3, under the fire door unit are of COMPREHENSIVE CALCULATING gross thickness 300mm, weight is 642kg/m
2.
Left and right parallel-moving type fire door adopts hydraulic cylinder or motor to drive, thrust F=coefficient of friction f × door weight G.Therefore fire door weight is larger, and required thrust is larger, lifting or haulage gear are had relatively high expectations, and the frequent switching of fire door in addition, the larger fire door of conducting oneself with dignity is shorter service life, generally only about half a year, just needs to change.
In addition, fire door weight is large, and the pressure that the movable pulley of fire door bottom bears is high, and under weight, track is also yielding, when serious, can derail; Due to common 1280 ℃ of annular furnace furnace temperature, castable heat insulation effect is poor, and very large by the heat dissipation capacity of fire door, fire door environment temperature is high, severe operational environment.
Therefore, for haulage gear is operated steadily, improve fire door service life, need a kind of brand-new lining Design, reduce fire door weight, can meet again the applied at elevated temperature requirement of 1280 ℃.
Utility model content
The utility model provides a kind of brand-new laterally opened full fiber of annular furnace to take on material stove gate device, in order to solve the problem that door weight is large, heat insulation effect is poor.
The laterally opened full fiber of a kind of annular furnace takes on material stove gate device, comprises fire door liner plate, tapetum fibrosum and contains zirconium fiber type module, and described fire door liner plate is fixedly connected with fibre module, and described tapetum fibrosum is between fire door liner plate and fibre module.
The thickness of described tapetum fibrosum is 25mm-35mm, and the thickness of described fibre module is 260mm-280mm.
Described fire door liner plate is provided with anchoring piece, and described fibre module is provided with back press strip and hollow bushing, and the anchorage head of described anchoring piece, through back press strip, enters hollow bushing, and uses the nut matching with the screw thread of anchoring hook head setting to fix.
The material of described anchoring piece adopts Cr25Ni20.
Described hollow bushing is tight with filling containing zirconium tapetum fibrosum.
The utility model adopts containing zirconium type fire-proof fiber module, and serviceability temperature can reach 1350 ℃, and under the fire door unit are of gross thickness 300mm, resistance to material weight is that 61kg/m2(is not containing frame weight), theoretical accounting temperature is 80 ℃, reduces by 60 ℃ than past fire door temperature.Therefore the door weight of fiber liner is only 1/10th of castable liner fire door, significantly alleviates fire door weight, makes haulage gear operation more steady, and heat insulation effect improves obviously, reduces fire door heat dissipation capacity, improves fire door service life.
Accompanying drawing explanation
Fig. 1 is that the laterally opened full fiber of annular furnace that the utility model provides takes on material stove gate device embodiment schematic diagram.
The specific embodiment
Through statistics, door weight is made up of furnace door frame weight, the resistance to material weight of fire door two parts, wherein the resistance to material weight of fire door accounts for 55% of gross weight, accounting is greatly heavy, and furnace door frame is considered working strength, the space of substantially not optimizing, therefore, consider from reducing resistance to material weight, being one is the reality direction of instant effect again.
The utility model provides the laterally opened full fiber of a kind of annular furnace to take on material stove gate device, and described fire door is made up of shaped steel and Plate Welding.Door lining fire proofed wood adopts fully fibrous structure, select the composite construction liner containing the fire-proof fiber module+refractory fiber blanket of zirconium, replace the compound lining of castable+fiber in the past, can meet the instructions for use of hot environment, can also reduce door weight, haulage gear operation is more steady, strengthens fire door heat-insulating property simultaneously, improve operating environment, improve fire door service life.
Described refractory fibre, claims again ceramic fibre, is a kind of New type of light refractory material, has the features such as unit weight is little, high insulating effect.It is that refractory material batching is melted in 2000～2200 ℃ of electric furnaces, in the time that the batching liquid of melting flows out aperture, with air or the steam blast of high speed, high pressure, the loose floccule that makes drop be dispelled, elongate and obtain rapidly within the extremely short time.Refractory fibre containing zirconium serviceability temperature is up to 1350 ℃, and only 0.15W/(m ℃ of thermal conductivity factor), have serviceability temperature concurrently high, the advantage of good heat insulating.
As shown in Figure 1, the laterally opened full fiber of described annular furnace takes on material stove gate device, comprise fire door liner plate 3, tapetum fibrosum 2 and fibre module 1, before fire door fibre module 1 is installed, need first will on fire door liner plate 3, to have welded anchoring piece 4, the anchoring hook head of anchoring piece 4 has screw thread, for adapting to 1280 ℃ of high-temperature work environments, anchoring piece material will adopt Cr25Ni20, and fibre module 1 will adopt containing zirconium fiber type module, fibre module thickness 270mm.And then layer overlay plain edition refractory fiber blanket 2, thickness is 30mm.The centre bore of module back press strip 5 is alignd with anchoring piece 4, the head of anchoring hook is entered in the hollow bushing 6 on fibre module 1, the nut coordinating with anchoring hook head threads is put into the head skirt of box spanner 7, by the hollow bushing of box spanner insert module, rotary spanner, the head by nut screwing clamping at anchoring hook.The screw rod of nut, anchoring hook and back press strip 5 couple together in this way, thereby fibre module 1 is fixed on fire door liner plate.Anchoring hook length is shorter, as far as possible far away with burner hearth distance, and finally tight with hollow bushing being filled containing zirconium tapetum fibrosum, anchoring hook does not contact with high-temperature furnace gas like this, can guarantee anchoring hook service life.
Contain the composite construction of the folding module of zirconium fiber and tapetum fibrosum by employing, wherein fibre module thickness 270mm, density is 220kg/cm
3, tapetum fibrosum thickness 30mm, density 128kg/cm
3, under fire door unit are, resistance to material weight is 60kg/m
2(not containing frame weight), is about 1/10th of past fire door weight.
Containing the folding only 0.15W/(m ℃ of module thermal conductivity factor of zirconium fiber), much smaller than the thermal conductivity factor of castable, theoretical accounting temperature is 80 ℃, reduces by 60 ℃ than past fire door temperature.
The utility model has the advantages that:
1, reduce fire door weight, the resistance to material weight of fire door is 1/10th of castable liner fire door;
2, full fibre door liner, at the bottom of thermal conductivity factor, theoretical accounting temperature is 80 ℃, reduces by 60 ℃ than past fire door temperature, reduces radiation loss;
3, simple in structure, installation and convenient operating maintenance, the advantage such as controllability is good, power consumption is few;
4, can realize continuous production, operation very steady.
Claims (5)
1. the laterally opened full fiber of annular furnace takes on a material stove gate device, it is characterized in that: comprise fire door liner plate, tapetum fibrosum and contain zirconium fiber type module, described fire door liner plate is fixedly connected with fibre module, and described tapetum fibrosum is between fire door liner plate and fibre module.
2. the laterally opened full fiber of annular furnace according to claim 1 takes on material stove gate device, it is characterized in that: the thickness of described tapetum fibrosum is 25mm-35mm, and the thickness of described fibre module is 260mm-280mm.
3. the laterally opened full fiber of annular furnace according to claim 1 takes on material stove gate device, it is characterized in that: described fire door liner plate is provided with anchoring piece, described fibre module is provided with back press strip and hollow bushing, the anchorage head of described anchoring piece is through back press strip, enter hollow bushing, and use the nut matching with the screw thread of anchoring hook head setting to fix.
4. the laterally opened full fiber of annular furnace according to claim 3 takes on material stove gate device, it is characterized in that: the material of described anchoring piece adopts Cr25Ni20.
5. the laterally opened full fiber of annular furnace according to claim 3 takes on material stove gate device, it is characterized in that: described hollow bushing is tight with filling containing zirconium tapetum fibrosum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320812444.6U CN203657483U (en) | 2013-12-10 | 2013-12-10 | Laterally-opening type complete-fiber material feeding and discharging furnace door device of annular furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320812444.6U CN203657483U (en) | 2013-12-10 | 2013-12-10 | Laterally-opening type complete-fiber material feeding and discharging furnace door device of annular furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657483U true CN203657483U (en) | 2014-06-18 |
Family
ID=50923862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320812444.6U Expired - Fee Related CN203657483U (en) | 2013-12-10 | 2013-12-10 | Laterally-opening type complete-fiber material feeding and discharging furnace door device of annular furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203657483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673622A (en) * | 2013-12-10 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Side-open type all-fiber feeding-discharging furnace door device of circular furnace |
| CN105674746A (en) * | 2016-01-27 | 2016-06-15 | 江苏南方节能科技有限公司 | Furnace top module assembling technology |
-
2013
- 2013-12-10 CN CN201320812444.6U patent/CN203657483U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673622A (en) * | 2013-12-10 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Side-open type all-fiber feeding-discharging furnace door device of circular furnace |
| CN105674746A (en) * | 2016-01-27 | 2016-06-15 | 江苏南方节能科技有限公司 | Furnace top module assembling technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203657483U (en) | Laterally-opening type complete-fiber material feeding and discharging furnace door device of annular furnace | |
| CN104422287A (en) | Electric auxiliary heating flow channel | |
| CN103542720B (en) | Double-head pallet car furnace | |
| CN109680137B (en) | Open-type flat round steel heat treatment furnace | |
| CN103673622A (en) | Side-open type all-fiber feeding-discharging furnace door device of circular furnace | |
| CN2901212Y (en) | Sandwich furnace door | |
| CN202947471U (en) | Thermal treatment furnace lining lifting structure | |
| CN201945180U (en) | Polycrystal alumina fiber composite module lining structure of high-temperature heating furnace door | |
| CN103387325B (en) | Insulation apparatus for glass tank furnace | |
| CN202192256U (en) | Novel energy-saving molten steel ladle | |
| CN203203392U (en) | Novel energy-saving sintering intermediate-frequency furnace | |
| CN103836922A (en) | Bogie-hearth resistance furnace | |
| CN206891185U (en) | Maintenance fire door and industrial furnace for industrial furnace | |
| CN202973857U (en) | Bogie-hearth resistance furnace | |
| CN203999691U (en) | A kind of Sweet natural gas tunnel process furnace | |
| CN208751276U (en) | A kind of high-strength high temperature-resistant stove gate device | |
| CN201740364U (en) | Brasses shaping for ore-smelting furnace and electrical furnace used for raising temperature in welding | |
| CN203629305U (en) | Aluminium alloy melting and insulation furnace lining | |
| CN202393230U (en) | Furnace door of heating furnace and heating furnace with same | |
| CN203212523U (en) | Stoke hole sleeve with good heat insulation effect | |
| CN207081344U (en) | Water beam prefabricated wrapping structure in a kind of Novel furnace | |
| CN207881474U (en) | A kind of conveying roller effectively reducing high-temperature heat-conductive | |
| CN111623631A (en) | Crucible furnace with energy-saving heat energy recovery gas dumping function | |
| CN205991711U (en) | A kind of high temperature lower convex platform formula combined fireproof brick | |
| CN216080978U (en) | Light integral sintering ore ignition furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Side-open type all-fiber feeding-discharging furnace door device of circular furnace Effective date of registration: 20180322 Granted publication date: 20140618 Pledgee: The Bank of Beijing Limited by Share Ltd. Anwar Road Branch Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000210 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20140618 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20140618 |
|
| 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: 20140618 |