CN102494352A - Boiler door device - Google Patents
Boiler door device Download PDFInfo
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- CN102494352A CN102494352A CN2011104400137A CN201110440013A CN102494352A CN 102494352 A CN102494352 A CN 102494352A CN 2011104400137 A CN2011104400137 A CN 2011104400137A CN 201110440013 A CN201110440013 A CN 201110440013A CN 102494352 A CN102494352 A CN 102494352A
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003063 flame retardant Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 238000005520 cutting process Methods 0.000 claims description 22
- 238000000465 moulding Methods 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 16
- 239000012774 insulation material Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
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- 238000012856 packing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000011449 brick Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 4
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- 238000004080 punching Methods 0.000 claims description 2
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- 238000007689 inspection Methods 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 21
- 238000007789 sealing Methods 0.000 description 8
- 239000000779 smoke Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 238000007665 sagging Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The invention discloses a boiler door device, which comprises a boiler door, wherein hinges are arranged between the upper and lower parts on two sides of the boiler door and a boiler body; each hinge comprises a rotating shaft, a rotating shaft seat and a hinged bolt; the boiler door comprises a boiler door plate; a flame-retardant layer is arranged on the boiler door plate; a thermal insulation layer is arranged between the boiler door plate and the flame-retardant layer; a burner is arranged on the boiler door plate; two sides of the upper and lower parts of the boiler door plat are provided with transverse slots; transverse slots are formed above transverse rib plates on two sides of the lower part; the rotating shaft seat on the hinge is fixed on the boiler body at a corresponding position; the rotating shaft is arranged on an elliptical hole of a corresponding transverse rib plate; and a gasket is arranged on the rotating shaft which is arranged on the upper part of one side of the boiler door. The invention has the advantages that: the boiler door device has light weight, a good using effect and a simple structure, the whole boiler door can be easily and freely opened and closed, the burner is convenient to mount and debug, later periodic inspection and maintenance of a boiler are convenient, and the production efficiency is improved.
Description
Technical field
The present invention relates to the boiler technology field, is a kind of Boiler door device specifically.
Background technology
Two to three backhaul gas reversal chambers of present domestic boiler all adopt smoke box folk art term structure (being commonly called as front smoke box); And adopt welding manner to be connected with the boiler body front tube sheet; For the periodic inspection that satisfies boiler and the cleaning of smoke pipe, have two fan wickets in the front smoke box front, smoke box and smoke box door installed inside insulation material (receiving structural limitations about common 50mm); Because front smoke box washes away by the high speed of high-temperature flue gas, install steel mesh additional again or corrosion resistant plate protects at heat insulation material surface.Simultaneously, smoke box door is for guaranteeing that sealing need be provided with more bolt, nut carries out fastening.Adopt refractory material to add insulation material for boiler furnace part front end and fill, fix with steel plate again and seal.Burner is fixed on the steel plate.Above-mentioned two-part structure is formed fixed structure and the reversal chamber of two to three backhaul flue gases and the structure of sealing insulation of the combustion parts of boiler.Though above two-part structure consumptive material is few, in light weight, complex structure, heat insulation effect is poor, radiation loss is big, and is all very inconvenient to the installation of boiler-burner and the periodic inspection in later stage, regional area even can't overhaul, the outward appearance moulding is not attractive in appearance.Afterwards, the engineers and technicians that have take above-mentioned two-part structure is united two into one, and are designed to whole big opening structure; Solve the above defective that exists,, add that the rotating shaft cantilever is longer because fire door overall structure weight is big; After door opened; The other end of fire door rotating shaft can't normally close and use because deadweight is squinted downwards, so this big opening structure still is difficult to promote and uses.
Summary of the invention
The purpose of this invention is to provide a kind of in light weight; Result of use is good; Simple in structure, can realize the opening and closing easily of whole fire door, guarantee fixing, locking and the sealing of fire door after closing simultaneously; Make things convenient for the installation and the boiler in debugging and later stage of burner to make regular check on and keep in repair, the Boiler door device of enhancing productivity.
A kind of Boiler door device comprises fire door, it is characterized in that: between top, bottom and the body of heater of said fire door both sides a hinge is installed all; Said hinge comprises rotating shaft, shaft seat and eyelet bolt, and the afterbody of eyelet bolt is provided with the hole and its head is equipped with nut, is welded with projection at an end of rotating shaft; The aperture in the hole of eyelet bolt afterbody is greater than the external diameter of rotating shaft, and eyelet bolt is installed on the shaft seat through rotating shaft, and its shaft passes the hole of eyelet bolt afterbody; Said fire door comprises stove door plant; Being provided with flame retardant coating on the stove door plant and between stove door plant and flame retardant coating, also being provided with heat-insulation layer, combustor is installed on stove door plant, all be welded with the horizontal bar plate and on the horizontal bar plate, be provided with elliptical aperture on the top of stove door plant and the both sides of bottom; Be respectively equipped with horizontal hole slot on the stove door plant and below the horizontal bar plate of both sides, top; Above the horizontal bar plate of both sides, bottom, be respectively equipped with horizontal hole slot, the shaft seat on the said hinge is fixed on the body of heater of corresponding position, and rotating shaft is installed on the elliptical aperture of corresponding horizontal bar plate; Wherein the upper and lower hinge of fire door one side constitutes the turning cylinder of fire door, and in the rotating shaft of the hinge on the top of this side, packing ring is housed.
In the described rotating shaft in bottom with respect to the opposite side of the door side that constitutes the fire door turning cylinder packing ring is housed.
Be welded with carriage outer ring and carriage inner ring on the said stove door plant; The carriage outer ring is between the horizontal bar plate of the both sides of stove door plant top and bottom welding; Upper and lower part in the and arranged on left and right sides of carriage outer ring is provided with vertical rib plate; All be welded with the fire door coaming plate in the outside, carriage outer ring and in the upper and lower both sides of stove door plant, be welded with carriage support plate from the carriage outer ring to center position in inboard, carriage outer ring, the carriage support plate is connected with the carriage inner ring with welding manner; Carriage inner ring and carriage outer ring concentric are provided with; Be provided with the combustor reserved opening in carriage inner ring inboard, spot welding is evenly equipped with bitch on stove door plant, constitutes said heat-insulation layer at lay insulation material between combustor reserved opening and the carriage inner ring and between carriage inner ring and the carriage outer ring; Light filling refractory casting material is built by laying bricks or stones and is molded into said flame retardant coating on insulation material, and said combustor is installed on the combustor reserved opening.
Said carriage outer ring is that the steel plate of thickness 8 to 12mm changes molded forming through gas cutting and through the flap machine; The carriage inner ring is that the steel plate of thickness 6 to 10mm changes molded forming through gas cutting and through the flap machine; Carriage outer ring and carriage inner ring form boiler two to three backhaul gas reversal chambers, and the carriage support plate is that the steel plate of thickness 5 to 8mm forms and evenly distribution on stove door plant through the gas cutting moulding.
Said stove door plant is that the steel plate of thickness 12 to 16mm forms through the gas cutting moulding; The width and the eyelet bolt of each horizontal hole slot are complementary, and each horizontal bar plate is that the steel plate of thickness 12 to 18mm forms through the gas cutting moulding, and slotted eye and hinge axis are complementary; Vertical rib plate is that the steel plate of thickness 12 to 16mm forms through the gas cutting moulding; The fire door coaming plate is that the steel plate of thickness 8 to 10mm changes molded forming through gas cutting and through the flap machine, arranges 12-24 root bitch on the stove door plant, and external diameter is 6mm.
Said shaft seat is made up of upper plate, lower plate and connecting plate; Be processed with hole and following hole on the upper and lower plate respectively; Last hole is the coaxial line hole with following hole; The afterbody of eyelet bolt is being provided with on the shaft seat between hole and the following hole, and the last hole on the shaft seat, the afterbody hole of eyelet bolt and the following hole on the shaft seat are passed in rotating shaft successively.
Said rotating shaft external diameter is 30～35mm, and projection external diameter 40～49mm, its wall thickness are 3～3.5mm; Steel plate and integrated punching moulding that upper plate, lower plate and connecting plate are thickness 12～14mm form, the aperture 31～36mm in last hole and following hole, eyelet bolt length 290～350mm; Aperture 31～the 36mm in afterbody hole; Packing ring outer ring external diameter 50mm, inner ring internal diameter 33～38mm, thickness 3～5mm.
The present invention compared with prior art has the following advantages.
Adopt technical scheme of the present invention; Fire door and hinge combination are the turning cylinder that the upper and lower hinge of fire door one side constitutes fire door; Point through upper hinge supports, the horizontal bar plate on the stove door plant only with supporting hinges on the packing ring interaction, reduced contact area each other; Thereby greatly reduce frictional force each other, make this great structure of whole fire door only need people opening and closing easily.
Boiler door of the present invention is simple and in light weight, rigidity is good; Adopt the hinge combination as previously mentioned, realized the free and relaxed unlatching and the switching of whole fire door, guaranteed fixing, locking and the sealing of fire door after closing simultaneously; Make big opening structure obtain effective utilization; Thereby simplified original labyrinth greatly and improved the high temperature resistant sweep of gases ability and the heat insulation effect of boiler, reduced radiation loss, made things convenient for the installation of burner and the boiler in debugging and later stage to make regular check on and keep in repair; And good looking appearance is generous; And the combination of this fire door and hinge can be according to the actual needs in boiler place, easily realize Boiler door left or right-hand to unlatching, brought convenience for the mounting arrangements of boiler.This fire door and hinge combination can be used for fuel oil, gas, steam boiler and the hot-water boiler of all size model from small to large, can realize standardized production, have improved production efficiency.
Description of drawings
The fire door of Fig. 1 Boiler door device of the present invention and the front view after the hinge assemblies;
The fire door of Fig. 2 Boiler door device of the present invention and the side view after the hinge assemblies;
The front view of the fire door of Fig. 3 Boiler door device of the present invention;
The side view of the fire door of Fig. 4 Boiler door device of the present invention;
Fig. 5 Boiler door device of the present invention be the front view of hinge;
Fig. 6 Boiler door device of the present invention be the side view of hinge;
The fire door of Fig. 7 Boiler door device of the present invention and flame retardant coating, heat-insulation layer installation diagram.
The specific embodiment
Below in conjunction with accompanying drawing Boiler door device of the present invention is described in further detail.
Like Fig. 1, Fig. 2, Fig. 7, Boiler door device of the present invention comprises fire door 1; One hinge 2 all is installed between top, bottom and the body of heater of fire door 2 both sides, and fire door 1 comprises stove door plant 11, is being provided with flame retardant coating 4 on the stove door plant 11 and between stove door plant 11 and flame retardant coating 4, also is being provided with heat-insulation layer 3; Combustor (the not shown in the figures meaning out) is installed on stove door plant 11; All be welded with horizontal bar plate 12 and on the horizontal bar plate, be provided with elliptical aperture on the top of stove door plant 11 and the both sides of bottom, be respectively equipped with horizontal hole slot on the stove door plant 11 and below the horizontal bar plate of both sides, top, above the horizontal bar plate of both sides, bottom, be respectively equipped with horizontal hole slot; Hinge 2 comprises rotating shaft 21, shaft seat 23 and eyelet bolt 24; The afterbody of eyelet bolt 24 is provided with the hole and its head is equipped with nut 26, is welded with projection 22 at an end of rotating shaft 21, and the aperture in the hole of eyelet bolt 24 afterbodys is greater than the external diameter of rotating shaft 21; Eyelet bolt 24 is installed on the shaft seat 23 through rotating shaft 21, and its shaft 21 passes the hole of eyelet bolt 24 afterbodys.Shaft seat 23 is made up of upper plate, lower plate and connecting plate; Be processed with hole and following hole on the upper and lower plate respectively; Last hole is the coaxial line hole with following hole; The afterbody of eyelet bolt 24 is being provided with on the shaft seat 23 between hole and the following hole, and the last hole on the shaft seat, the afterbody hole of eyelet bolt and the following hole on the shaft seat are passed in rotating shaft 21 successively.Fixedly on the body of heater 6 of corresponding position, rotating shaft 21 is installed on the elliptical aperture of corresponding horizontal bar plate shaft seat 23 on the hinge 2, is installed in the said rotating shaft on top of fire door one side packing ring is housed.In the said rotating shaft of the bottom that is installed in fire door one side, packing ring is housed also, but the said rotating shaft on the said rotating shaft of this bottom and top is not in the same side of fire door.Each hinge of installing the stove door plant upper edge of fire door vertical with horizontal axis about and each cover of symmetric arrangement up and down, make up thereby form hinge through the quadruplet hinge.
Wherein be welded with carriage outer ring 14 and carriage inner ring 16 on the stove door plant 11; Carriage outer ring 14 is between the horizontal bar plate 12 of the both sides of stove door plant top and bottom welding; Upper and lower part in the and arranged on left and right sides of carriage outer ring 14 is provided with vertical rib plate 13; All be welded with fire door coaming plate 17 in 14 outsides, carriage outer ring and in the upper and lower both sides of stove door plant, be welded with carriage support plate 15 from the carriage outer ring to center position in 14 inboards, carriage outer ring, carriage support plate 15 usefulness welding manners are connected with carriage inner ring 16; Carriage inner ring 16 and the 14 concentric settings of carriage outer ring; Be provided with combustor reserved opening 19 in carriage inner ring 16 inboards, spot welding is evenly equipped with bitch 18 on stove door plant, constitutes said heat-insulation layer 3 at lay insulation material between combustor reserved opening 19 and the carriage inner ring 16 and between carriage inner ring 16 and the carriage outer ring 14; Light filling refractory casting material is built by laying bricks or stones and is molded into said flame retardant coating 4 on insulation material, and combustor is installed on the combustor reserved opening 19.
Introduce as follows more in detail below:
One) structural parameters of hinge 2 each parts: like Fig. 5-6, hinge axis be rotating shaft 21 external diameters be Φ 30 to 35mm, connecting back-up ring at an end of hinge axis with welding manner promptly is projection 22, the external diameter Φ 45mm of projection 22, its wall thickness is 3-3.5mm; Hinge seat be aforesaid shaft seat 23 for the steel plate of thickness 12-14mm by design size blanking punch forming, all process the hole of Φ 31-Φ 36 at upper and lower plate, two holes will guarantee axiality; Eyelet bolt 24 is M36, length 292mm, and in the hole of afterbody processing Φ 31-Φ 36mm, adjusting washer (disk) 25 is outer ring Φ 50mm inner ring Φ 33-Φ 38mm, thickness 4mm, nut 26 is M36, and above-mentioned each parts are combined to form hinge by specification requirement.
Two) structural parameters of each parts in the fire door 1 are following: like Fig. 3-4; Stove door plant 11 is the steel plate of thickness 12 to 16mm, and profile has the i.e. horizontal hole slot of an end opening of four U type grooves by the moulding of design size gas cutting in the designing requirement position; The width dimensions of said groove is confirmed as 37mm by eyelet bolt; The main effect of stove door plant 11 is that each part all connects on stove door plant fixing, and the front install combustion machine of stove door plant 11, four U type grooves are positioning and fixing of guaranteeing eyelet bolt and unclamp rotation.Horizontal bar plate 12 is the steel plate of thickness 12 to 18mm; Have a slotted eye by designing requirement; The width dimensions in hole is that rotating shaft confirms as 31 to 36mm according to hinge axis; Profile is by the moulding of design size gas cutting, and horizontal bar plate 12 removes to play to support with fixation and also is connected the effect that fire door is played rotation and fixes with hinge.Vertical rib plate 13 is the steel plate of thickness 12 to 16mm, and profile is by the moulding of design size gas cutting, and the main effect of vertical rib plate 13 is supports and fixing.Carriage outer ring 14 is the steel plate of thickness 8 to 12mm; Change molded by the design size gas cutting and through the flap machine; The main effect of carriage outer ring 14 is and carriage inner ring 16 forms boilers two to three backhaul gas reversal chambers 5, fire door tightly under the lock state to boiler on insulation material in the seal groove play and compress sealing function.Carriage support plate 15 is the steel plate of thickness 5 to 8mm, and profile is uniformly distributed with on stove door plant by designing requirement by the moulding of design size gas cutting, and it mainly acts on is that the stiffness of strengthening fire door prevents distortion and Support bracket inner ring 16.Carriage inner ring 16 is the steel plate of thickness 6 to 10mm; Change molded by the design size gas cutting and through the flap machine; The main effect of carriage inner ring 16 is that the high-temperature flue gas to burner hearth plays sealing function under the fire door locking state, forms boiler two to three backhaul gas reversal chambers 5 with carriage outer ring 14.Fire door coaming plate 17 is the steel plate of thickness 8 to 10mm, changes molded by the design size gas cutting and through the flap machine, and it mainly acts on is to play support reinforcing stiffness and good looking appearance.More than each part be connected to form the steel body structure of Boiler door 1 through welding manner by specification requirement.According to the size of all size Boiler door, arrange 12-24 root bitch 18 then by designing requirement, bitch 18 diameter of phi 6mm, its material is 0Cr18Ni9, spot welding is uniformly distributed with on stove door plant 11, and the refractory casting material is played fixedly booster action.Like Fig. 7, between combustor reserved opening 19 to carriage outer ring 14, repave and put insulation material such as the asbestos board that thickness is 50mm and two to three layers fire door 1 is played function of heat insulation.At last that premix is good light-weight refractory pouring material is allocated with water in proportion and is reached designing requirement (at the middle circular die that is provided with of fire door; Reserve the interface of combustor) fill between mould and the carriage inner ring 16 and between carriage inner ring 16 and the carriage outer ring 14, jolt ramming; And build moulding by laying bricks or stones by designing requirement and constitute flame retardant coating, more than each part and material by the be connected overall structure of formation Boiler door 1 of specification requirement.
In the structure of above-mentioned fire door 1; Stove door plant 11 has 1, horizontal bar plate 12 to have 4, vertical rib plate 13 to have 4, carriage outer ring 14 to have 1, carriage support plate 15 to have 10, carriage inner ring 16 to have 1, fire door coaming plate 17 to have 2, bitch 18 to have 12-24, and the refractory casting material that adds right quantity is that flame retardant coating 3 is 4 compositions of heat-insulation layer with insulation material.Concrete connected mode is on steel plate, to be processed into stove door plant 11 through Numerical control cutting.On stove door plant 11, connect carriage outer ring 14, horizontal bar plate 12, vertical rib plate 13, carriage support plate 15 and fire door coaming plate 17 respectively with welding manner by designing requirement; Wherein horizontal bar plate 12 is when connecting; To the outside of being sidelong at fire door that elliptical aperture is arranged so that be connected with the hinge 2 of fire door, be connected carriage inner ring 16 with welding manner then on carriage support plate 15; Thereby form the steel body structure of fire door 1; Be uniformly distributed with bitch by designing requirement spot welding on stove door plant 11 then, like this through aforesaid at lay insulation material between combustor reserved opening 19 and the carriage inner ring 16 and between carriage inner ring 16 and the carriage outer ring 14, again with filling with the good light-weight refractory pouring material of water allotment behind the premix; And build moulding by laying bricks or stones by designing requirement and promptly constitute said Boiler door 1, thereby original two-part structure is united two into one.
In the structure of above-mentioned hinge 2, rotating shaft 21 has 4, shaft seat 23 to have 4, and eyelet bolt 24 has 4, and nut 26 has 4, and packing ring 25 has 4-8 spare.Rotating shaft 21, shaft seat 23, eyelet bolt 24, nut 26 each 1 be combined as a cover, when processing and assembling, require eyelet bolt 24 in rotating shaft 21, to move up and down and rotate.Stove door plant 11 upper edges vertical with horizontal axis about and up and down symmetric arrangement each one overlap.Hinge is overlapped as fixing point as the coaxial bottom one of the strong point (needing increases adjusting washer (disk), and remaining hinge does not need) in a selected top wherein cover hinge.The combination of the hinge of above-mentioned setting can make the whole fire door can be not sagging because of deadweight, can free and relaxed normal opening and closing.
During when mounted with the fire door hoisted in position; Elliptical aperture on the horizontal bar plate 12 of fire door 1 is alignd with the hole on the shaft seat 23, and it is fixing to insert rotating shaft 21, will eyelet bolt 24 be placed between the shaft seat 23 when inserting rotating shaft 21 to connect in the lump; Be shaft seat 23 at selected fire door rotating shaft end upper hinge seat then; The packing ring 25 that installs suitable quantity according to difference in height additional is adjusted, and after adjustment finishes, eyelet bolt 24 is turned in the U type groove on the stove door plant 11 (vertical with stove door plant); Carry out fixing and locking through 26 pairs of fire doors of the nut on the eyelet bolt 1, guaranteed the fixing and sealing under fire door 1 in off position.When fire door 1 needs to open, only need nut 26 to be unscrewed, with eyelet bolt 24 direction rotation laterally at the opening end of fire door 1; Extract rotating shaft 21 out, the just free and relaxed normal unlatching of ability of fire door is when fire door 1 is closed; Fire door closed put in place; Insert rotating shaft 21, forward eyelet bolt 24 to position, fastening nut 26 gets final product.The present invention is because fire door 1 and the some support of hinge 2 combinations through upper hinge; Packing ring 25 on 12 of horizontal bar plates of fire door 1 and the supporting hinges 2 interacts; Reduced contact area each other; Thereby greatly reduce frictional force each other, make this great structure of whole fire door only need people opening and closing easily.
The present invention is combined to form a kind of novel Boiler door device through above two-part structure by specification requirement; This Boiler door device draws through the check of the practical operation situation of nearly hundred boiler products, the present invention can realize the free and relaxed unlatching and the switching of the whole fire door of boiler fully and close after fixing, locking and sealing.Open about realizing according to actual needs simultaneously, and be useful for the steam and the hot-water boiler of all size model fuel oil, gas, realize standardized production, enhance productivity.
Claims (7)
1. a Boiler door device comprises fire door, it is characterized in that: between top, bottom and the body of heater of said fire door both sides a hinge is installed all; Said hinge comprises rotating shaft, shaft seat and eyelet bolt, and the afterbody of eyelet bolt is provided with the hole and its head is equipped with nut, is welded with projection at an end of rotating shaft; The aperture in the hole of eyelet bolt afterbody is greater than the external diameter of rotating shaft; Eyelet bolt is installed on the shaft seat through rotating shaft, and its shaft passes the hole of eyelet bolt afterbody
Said fire door comprises stove door plant; Be provided with flame retardant coating on the stove door plant and between stove door plant and flame retardant coating, also be provided with heat-insulation layer; Combustor is installed on stove door plant, all is welded with the horizontal bar plate and on the horizontal bar plate, is provided with elliptical aperture, be respectively equipped with horizontal hole slot on the stove door plant and below the horizontal bar plate of both sides, top on the top of stove door plant and the both sides of bottom; Above the horizontal bar plate of both sides, bottom, be respectively equipped with horizontal hole slot
Shaft seat on the said hinge is fixed on the body of heater of corresponding position, and rotating shaft is installed on the elliptical aperture of corresponding horizontal bar plate, and wherein the upper and lower hinge of fire door one side constitutes the turning cylinder of fire door, and in the rotating shaft of the hinge on the top of this side, packing ring is housed.
2. Boiler door device according to claim 1 is characterized in that: in the described rotating shaft in bottom with respect to the opposite side of the door side that constitutes the fire door turning cylinder packing ring is housed.
3. Boiler door device according to claim 1 and 2; It is characterized in that: be welded with carriage outer ring and carriage inner ring on the said stove door plant; The carriage outer ring is provided with vertical rib plate in the upper and lower part of the and arranged on left and right sides of carriage outer ring between the horizontal bar plate of the both sides of stove door plant top and bottom welding, all be welded with the fire door coaming plate in the outside, carriage outer ring and in the upper and lower both sides of stove door plant; Be welded with carriage support plate from the carriage outer ring to center position in inboard, carriage outer ring; The carriage support plate is connected with the carriage inner ring with welding manner, and carriage inner ring and carriage outer ring concentric are provided with, and are provided with the combustor reserved opening in carriage inner ring inboard; Spot welding is evenly equipped with bitch on stove door plant; Constitute said heat-insulation layer at lay insulation material between combustor reserved opening and the carriage inner ring and between carriage inner ring and the carriage outer ring, light filling refractory casting material is built by laying bricks or stones and is molded into said flame retardant coating on insulation material, and said combustor is installed on the combustor reserved opening.
4. Boiler door device according to claim 3; It is characterized in that: said carriage outer ring is that the steel plate of thickness 8 to 12mm changes molded forming through gas cutting and through the flap machine; The carriage inner ring is that the steel plate of thickness 6 to 10mm changes molded forming through gas cutting and through the flap machine; Carriage outer ring and carriage inner ring form boiler two to three backhaul gas reversal chambers, and the carriage support plate is that the steel plate of thickness 5 to 8mm forms and evenly distribution on stove door plant through the gas cutting moulding.
5. Boiler door device according to claim 4; It is characterized in that: said stove door plant is that the steel plate of thickness 12 to 16mm forms through the gas cutting moulding; The width and the eyelet bolt of each horizontal hole slot are complementary, and each horizontal bar plate is that the steel plate of thickness 12 to 18mm forms through the gas cutting moulding, and slotted eye and hinge axis are complementary; Vertical rib plate is that the steel plate of thickness 12 to 16mm forms through the gas cutting moulding; The fire door coaming plate is that the steel plate of thickness 8 to 10mm changes molded forming through gas cutting and through the flap machine, arranges 12-24 root bitch on the stove door plant, and external diameter is 6mm.
6. Boiler door device according to claim 1; It is characterized in that: said shaft seat is made up of upper plate, lower plate and connecting plate; Be processed with hole and following hole on the upper and lower plate respectively; Last hole is the coaxial line hole with following hole, and the afterbody of eyelet bolt is being provided with on the shaft seat between hole and the following hole, and the last hole on the shaft seat, the afterbody hole of eyelet bolt and the following hole on the shaft seat are passed in rotating shaft successively.
7. Boiler door device according to claim 6 is characterized in that: said rotating shaft external diameter is 30～35mm, projection external diameter 40～49mm; Its wall thickness is 3～3.5mm, and steel plate and integrated punching moulding that upper plate, lower plate and connecting plate are thickness 12～14mm form, the aperture 31～36mm in last hole and following hole; Eyelet bolt length 290～350mm, the aperture 31～36mm in afterbody hole, packing ring outer ring external diameter 50mm; Inner ring internal diameter 33～38mm, thickness 3～5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104400137A CN102494352A (en) | 2011-12-23 | 2011-12-23 | Boiler door device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104400137A CN102494352A (en) | 2011-12-23 | 2011-12-23 | Boiler door device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102494352A true CN102494352A (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104400137A Pending CN102494352A (en) | 2011-12-23 | 2011-12-23 | Boiler door device |
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| CN (1) | CN102494352A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0259618A2 (en) * | 1986-08-13 | 1988-03-16 | Gebr. Brotschi & Co. AG | Door and window hinge adjustable during and after its affixation |
| CN101532664A (en) * | 2009-04-27 | 2009-09-16 | 无锡华光锅炉股份有限公司 | Improved high-temperature and high-pressure resistant manhole access door |
| CN102102874A (en) * | 2010-06-13 | 2011-06-22 | 无锡凯力通装备科技有限公司 | Furnace door structure of powder burner |
| CN201903067U (en) * | 2010-12-23 | 2011-07-20 | 黑龙江龙煤矿业集团股份有限公司双鸭山分公司虹焱热电有限公司 | Boiler door inner lining |
| CN202392828U (en) * | 2011-12-23 | 2012-08-22 | 广州贝龙环保热力设备股份有限公司 | Boiler door device |
-
2011
- 2011-12-23 CN CN2011104400137A patent/CN102494352A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0259618A2 (en) * | 1986-08-13 | 1988-03-16 | Gebr. Brotschi & Co. AG | Door and window hinge adjustable during and after its affixation |
| CN101532664A (en) * | 2009-04-27 | 2009-09-16 | 无锡华光锅炉股份有限公司 | Improved high-temperature and high-pressure resistant manhole access door |
| CN102102874A (en) * | 2010-06-13 | 2011-06-22 | 无锡凯力通装备科技有限公司 | Furnace door structure of powder burner |
| CN201903067U (en) * | 2010-12-23 | 2011-07-20 | 黑龙江龙煤矿业集团股份有限公司双鸭山分公司虹焱热电有限公司 | Boiler door inner lining |
| CN202392828U (en) * | 2011-12-23 | 2012-08-22 | 广州贝龙环保热力设备股份有限公司 | Boiler door device |
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