CN1924500A - Furnace door ridge and roller hearth furnace door - Google Patents
Furnace door ridge and roller hearth furnace door Download PDFInfo
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- CN1924500A CN1924500A CN 200610048347 CN200610048347A CN1924500A CN 1924500 A CN1924500 A CN 1924500A CN 200610048347 CN200610048347 CN 200610048347 CN 200610048347 A CN200610048347 A CN 200610048347A CN 1924500 A CN1924500 A CN 1924500A
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Abstract
This invention relates to one furnace gate and its roller furnace gate, which is composed of three sections of gate boards with bent isolation with both sides crossing with vertical plane, wherein, the bent isolation width along furnace gate larger thanalpha .L .(T1- T0) with alphafor furnace materials linear expansion parameter and L for furnace gate total length and T1 for furnace high temperature with T0 for annealing temperature; The gate board connection is of tenon-and-mortise work structure with one section connected with vertical concaved tank and other second connection is of convex part.
Description
Technical field
The present invention relates to furnace door at the bottom of a kind of fire door bank and the roller thereof.
Background technology
Stove is the requisite Equipment for Heating Processing that corrosion resistant plate is produced at the bottom of the roller, a fire door input of corrosion resistant plate stove at the bottom of the roller, another fire door output of stove at the bottom of the roller.For inner flue gas of the stove at the bottom of reducing roller emits outward, and at the bottom of the protection roller under the stove fire door headwall do not broken by corrosion resistant plate, the fire door bank is being set under furnace door at the bottom of the roller.Furnace door is the integral furnace door at the bottom of the existing roller, temperature height in the stove, the linear expansion of being heated of furnace door integral furnace door is bigger at the bottom of the roller, the linear expansion size of stove inboard is bigger than the linear expansion size in the stove outside, furnace door bank transverse curvature is big at the bottom of causing roller, i.e. stove inside bend at the bottom of roller, contact also scratches the hearth roll surface, the hearth roll surface that scratches scratches the corrosion resistant plate surface again, wide 1.8 meters long 6 meters-8 meters steel plate just becomes waste product, the ratio of defects that is scratched the surface of steel plate that causes by the fire door bank is that percent defective reaches 0.8%, and yield rate reduces.About 1 year, the furnace door bank deforms and damages at the bottom of the roller.Furnace door is installed with the integral furnace door at the bottom of the existing roller, and the fire door input of corrosion resistant plate stove at the bottom of the roller scratches the corrosion resistant plate surface because the integral furnace door is out of shape during with output.
Summary of the invention
In order to overcome the above-mentioned deficiency of furnace door at the bottom of existing fire door bank and the roller thereof, the invention provides furnace door bank at the bottom of the little roller of a kind of transverse curvature of being heated, furnace door at the bottom of a kind of roller of avoiding damaging stainless steel surfaces is provided simultaneously.
Design of the present invention is two sections, the three stage structure that furnace door bank at the bottom of the monoblock type roller is changed into mortise and tenon butt joint, overlap joint or other butt joint, the linear expansion of every section of furnace door bank is less at the bottom of two sections or the syllogic roller, between connecting or overlap, mortise and tenon has at interval, these have offset the linear deformation amount of furnace door bank at the bottom of the roller at interval, avoided roller at the bottom of the furnace door bank owing to expanded by heating bends towards inboard deficiency.
There is installing hole at the two ends of furnace door bank, this roller end, the upper surface of furnace door bank is an arc at the bottom of the roller, it is characterized in that: it is made of two to three sections door plate butt joints, the joint of door plate is the at interval crooked of cross connection, the side on crooked both sides at interval intersects with same vertical transverse plane, and crooked interval is along fire door bank width d longitudinally
α L Δ T＜d is α L (T
1-T
0)＜d
Wherein α is the linear expansion coefficient (averaging) of fire door bank material, and it is the total length Δ T of the fire door bank temperature difference when using for the fire door bank that the material of fire door bank is generally steel L, T
1High-temperature when using for the fire door bank is up to 850 ℃-900 ℃.T
0Fire door Kan Wendu when putting out stove generally gets 24 ℃ of normal temperature.
General crooked wide 10mm to 30mm at interval gets final product.The joint of door plate is that the tenon structure effect is better, wherein there is vertical mortise and tenon groove the butt end of one section door plate, the butt end of another that connects section door plate is vertical evagination tenon with it, the evagination tenon is plugged on the mortise and tenon groove, the crooked of cross connection is made of with vertical at interval at interval horizontal stroke at interval, horizontal width at interval is 10mm to 30mm, and longitudinal separation is that 5mm to 26mm is better.
Adopt three stage structure for furnace door bank at the bottom of the bigger roller of length, constitute with right section door plate by left side section door plate, stage casing door plate, left side section door plate and right section door plate symmetry, installing hole is at the end of left side section door plate with right section door plate, left side section door plate has the mortise and tenon groove with the other end of right section door plate, and there is the evagination tenon at the two ends of stage casing door plate.
Can be made of for two sections left side section door plate and right section door plate for furnace door bank at the bottom of the less roller of length, joint one section door plate therein has the mortise and tenon groove, and another section door plate has the evagination tenon.
Left side section door plate also can dock like this with right section door plate two-part structure, the butt end is a bridging arrangement mutually, the butt end of left side section door plate has half to evagination and second half one concaves, the butt end of corresponding with it right section door plate also is that half is to evagination and second half one concaves, the evagination position of right section door plate reaches the interior recess of left section door plate, and the bending of cross connection is made of two horizontal intervals and a vertical interval at interval.
With furnace door bank at the bottom of the roller of the present invention be installed at the bottom of the existing roller furnace door furnace door at the bottom of the roller of the present invention.
This roller end furnace door comprises the headwall of going forward, the lower front end wall, stove gate, stove door plant, boom hoisting and fire door bank, go forward the upper edge of the lower edge of headwall and lower front end wall form around closed stove gate, stove door plant is hung in the boom hoisting retaining at stove gate, there is the installation through hole at the two ends of fire door bank, the upper surface of fire door bank is an arc, the fire door bank is installed in the upper edge of the lower front end wall of stove gate, it is characterized in that: said fire door bank is made of two to three sections door plate butt joints, the joint of two to three sections door plates is the at interval crooked of cross connection, the side on crooked both sides at interval intersects with same vertical transverse plane, and crooked interval is every along fire door bank width d longitudinally
α·L·(T
1-T
0)＜d
Wherein α is the linear expansion coefficient of fire door bank material, and L is the total length of fire door bank
T
1High-temperature T when using for the fire door bank
0Fire door Kan Wendu when putting out stove.General crooked transverse width at interval promptly along the fire door bank longitudinally width be 10mm to 30mm.
The joint of two to three sections door plates is that tenon structure is better, wherein there is vertical mortise and tenon groove the butt end of one section door plate, the butt end that is attached thereto another section door plate that connects is vertical evagination tenon, the evagination tenon is plugged on the mortise and tenon groove, and the crooked of cross connection is made of with vertical at interval at interval horizontal stroke at interval.
For furnace door at the bottom of the bigger roller of width, its fire door bank adopts three stage structure, constitute with right section door plate by left side section door plate, stage casing door plate, left side section door plate and right section door plate symmetry, one end of left side section door plate and right section door plate is installed in the fire door of stove at the bottom of the roller with trip bolt, left side section door plate has the mortise and tenon groove with the other end of right section door plate, and there is the evagination tenon at the two ends of stage casing door plate.
For furnace door at the bottom of the less roller of width, the fire door bank adopts left side section door plate better with right section door plate two-part structure, and joint one section door plate therein has the mortise and tenon groove, and another section door plate has the evagination tenon.
Bridging arrangement can be used in its left side section door plate and the mutual butt end of right section door plate, the butt end of left side section door plate has half to evagination and second half one concaves, the butt end of corresponding with it right section door plate also is that half is to evagination and second half one concaves, the evagination position of right section door plate reaches the interior recess of left section door plate, and the bending of cross connection is made of two horizontal intervals and a vertical interval at interval.
The stove door plant boom hoisting of this roller end furnace door adopts slide fastener pulley boom hoisting simple and convenient.A vertical column is installed on the furnace door both sides respectively at the bottom of roller, and a translot steel is installed in two column tops, and two to three pulleys are installed on the translot steel, and stove door plant is hung in pulley with slide fastener, and slide fastener rides over the sagging back of another pulley and is connected with counterweight.
The furnace door bank is taked two sections at the bottom of the roller of the present invention, the syllogic docking structure, the linear expansion of every section fire door bank is less, between connecting, mortise and tenon has at interval, these have offset the linear deformation amount of furnace door bank at the bottom of the roller at interval, the transverse curvature amount is very little, the furnace door bank scratches the hearth roll surface owing to expanded by heating bends towards the inboard at the bottom of having avoided roller, cause the hearth roll surface to scratch the deficiency on corrosion resistant plate surface again, substantially eliminated the defective that fire door causes the corrosion resistant plate surface, ratio of defects reduces to 0.1%, and long service life, joint be cross connection crooked at interval, avoid at the bottom of the roller outside the flame ejection fire door in the stove.This roller end furnace door is installed butt joint two sections, triple-fired furnace door, has overcome door because expanded by heating bends towards the inboard shortcoming that scratches the corrosion resistant plate surface.Joint be cross connection crooked the side on crooked both sides at interval intersects with vertical transverse plane at interval, some is overlapping in the projection on two sides before and after the fire door bank, promptly crooked both sides at interval, has avoided the interior flare of stove at the bottom of the roller outside stove at the bottom of bending sprays roller at interval.
Description of drawings
Fig. 1 is the front view of this roller end furnace door bank embodiment one.
Fig. 2 is and the corresponding vertical view of Fig. 1.
Fig. 3 is the profile along A-A line among Fig. 2.
Fig. 4 is the profile along B-B line among Fig. 2.
Fig. 5 is the front view of this roller end furnace door bank embodiment two.
Fig. 6 is and the corresponding vertical view of Fig. 5.
Fig. 7 is the front view of this roller end furnace door bank embodiment three.
Fig. 8 is and the corresponding vertical view of Fig. 7.
Fig. 9 is the front view that furnace door embodiment one at the bottom of the roller of this fire door bank is installed, and stove door plant is closed among the figure.
Figure 10 is this roller end furnace door front view, and stove door plant is opened among the figure.
Figure 11 is the cutaway view along A-A line among Figure 10.
Figure 12 is the front view that furnace door embodiment two and embodiment three at the bottom of the roller of this fire door bank are installed, and stove door plant is closed among the figure.
Figure 13 is crooked schematic diagram at interval, and Fig. 1 amplifies relatively.
Fig. 9, Figure 10, Figure 11 are relative with Figure 12, and Fig. 1 dwindles.
Among the above-mentioned figure:
1, left side section door plate 2, horizontal interval 3, stage casing door plate 4, horizontal interval 5, right section door plate 6, installing hole 7, installing plate 8, mortise and tenon groove 9, horizontal interval 10, evagination tenon 11, vertical interval 12, evagination tenon 13, vertical interval 14, horizontal interval 15, mortise and tenon groove 16, installing plate 17, installing hole 18, arched top 19, left side section door plate 20, horizontal interval 21, right section door plate 22, installing plate 23, installing hole 24, mortise and tenon groove 25, horizontal interval 26, evagination tenon 27, vertical interval 28, installing hole 29, left side section door plate 30, horizontal interval 31, right section door plate 32, vertical interval 33, crooked interval 34, pulley 35, slide fastener 36, translot steel 37, translot steel 38, column 39, the headwall 40 of going forward, vertical slot steel 41, stove door plant 42, stove gate 43, fire door bank 44, lower front end wall 45, crossbeam 46, counterweight 47, manual slide fastener 48, pulley 49, refractory brickwork 50, refractory brick 51, insulating brick 52, body of heater side wall 53, burner 54, hearth roll 55, insulation brick wall 56, fire door bank 57, door plate 58, limit 59, left side, crooked interval 60, right edge 61, the vertical transverse plane of door plate MN
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof to this fire door bank and roller thereof at the bottom of the specific embodiment of furnace door be elaborated, but the specific embodiment of furnace door is not limited to following embodiment at the bottom of this fire door bank and the roller thereof.
Fire door bank embodiment one
Installing plate such as the installing plate 16 of furnace door bank at two ends has two installing holes 17 at the bottom of the roller that Fig. 1 and Fig. 2 describe, see Fig. 4, the upper surface of fire door bank is an arcwall face, the top that is cross section is an arc, see Fig. 3, it is characterized in that: it adopts three stage structure, left side section door plate 1 and right section door plate 5 symmetries, respectively at the two ends of stage casing door plate 3, the left end of left side section door plate 1 passes lower front end wall 44 left sides that installing hole 6 is installed in furnace door at the bottom of the roller with trip bolt, the right-hand member of right section door plate 5 passes lower front end wall 44 the right that installing hole 17 among Fig. 4 is installed in furnace door at the bottom of the roller with trip bolt, referring to Fig. 9, Figure 10 and Figure 11, the right-hand member of left side section door plate 1 has mortise and tenon groove 8, and the left end of right section door plate 5 has mortise and tenon groove 15, the left end of stage casing door plate 3 has evagination tenon 10, and right-hand member has evagination tenon 12.Is the tenon structure of example explanation present embodiment with left side section door plate 1 with docking of stage casing door plate 3, the evagination tenon 10 of stage casing door plate 3 is plugged on the mortise and tenon groove 10 of left side section door plate 1, form three horizontal intervals at the position of butt joint, promptly two horizontal strokes are indulged interval 11 in 2 one 9 and two at horizontal intervals at interval, five form the at interval crooked of head and the tail cross connection at interval, horizontal 9 width at interval is 30mm, the horizontal 2 wide 36mm at interval on both sides, and two vertical width at interval are 10mm.Left side section door plate 1 is 682mm with right section door plate 5 length, stage casing door plate 3 long 1575mm, and the total length of present embodiment (comprising at interval horizontal) is 2850mm.
Fire door bank embodiment two
The embodiment two of this fire door bank sees Fig. 5 and Fig. 6, present embodiment is to be made of for 21 two sections left side section door plate 19 and right section door plate, the butt end is a tenon structure mutually, and the right-hand member of section door plate 19 has mortise and tenon groove 24 on a left side, and the left end of section door plate 21 is an evagination tenon 26 on the right side.Evagination tenon 26 is plugged on mortise and tenon groove 24, vertical interval 27 is arranged between tenon head 26 both sides and mortise and tenon groove 24 inboards outside, horizontal interval 25 is arranged between the end face of tenon head 26 and the mortise and tenon groove 24 outside, the right-hand member of left side section door plate 19 and the left end of right section door plate 21 have with vertical 27 two of being connected at interval horizontal at interval 20, two horizontal at interval 20 with two vertical at interval 27 and horizontal 25 head and the tail at interval laterally be connected the bending interval that leads to.Width at interval is identical with embodiment's one.The total length of fire door bank (comprising at interval horizontal) is 2850mm.
Fire door bank embodiment three
The embodiment three of this fire door bank sees Fig. 7 and Fig. 8, present embodiment is to be made of for 31 two sections left side section door plate 29 and right section door plate, the butt end is a bridging arrangement mutually, the first half of the right-hand member of left side section door plate 29 protrudes to the right and Lower Half is recessed left, the first half of the left end of corresponding with it right section door plate 31 is recessed to the right and Lower Half is protruded left, be communicated with formation bending interval at left section door plate 29 right-hand members and the horizontal head and the tail in vertical 30, three intervals, 32 and two horizontal stroke intervals at interval of the right side section door plate 31 left ends formation.Horizontal 30 width at interval of present embodiment are 30mm, and vertical 32 width at interval are 10mm.The total length of door (comprising at interval horizontal) is 2850mm.
Furnace door embodiment one at the bottom of the roller
Present embodiment is installed in fire door bank embodiment one on the lower front end wall 44 of furnace door at the bottom of the roller of Fig. 9, Figure 10 and Figure 11.This roller end furnace door comprises two vertical slot steel 40 forming portal frame, be installed in translot steel 37 on vertical slot steel 40 tops, two vertical columns 38, be installed in translot steel 36, two pulleys 34, the pulley 48 that are installed in translot steel 36, the headwall 39 of going forward, lower front end wall 44 and the stove door plant 41 on column 38 tops, closed stove gate 42 around going forward to form between headwall 39 and the lower front end wall, stove door plant 41 usefulness slide fasteners 35 are hung in pulley 34, slide fastener rides over pulley 48 sagging backs simultaneously and is connected with counterweight 46, it is characterized in that: at stove gate 41 triple-fired furnace door 44 is installed.The installing hole 6 that passes left side section door plate 1 left end with screw is installed in left side section door plates 1 on the lower front end wall 44 of furnace door at the bottom of the roller, the installing hole 17 that passes the right-hand member of right section door plate 5 with screw also is installed in right section door plates 5 on the lower front end wall 44 of furnace door at the bottom of the roller, stage casing door plate 3 is installed between left side section door plate 1 and the right section door plate 5, the evagination tenon 10 of stage casing door plate 3 is inserted in the mortise and tenon groove 8 of left side section door plate 1, vertical interval 11 is arranged between tenon head 10 both sides and mortise and tenon groove 8 inboards outside, horizontal interval 9 is arranged between the end face of tenon head 10 and the mortise and tenon groove 8 outside, the right-hand member of left side section door plate 1 and the left end of stage casing door plate 3 have with vertical 11 two of being connected at interval horizontal at interval 2, two horizontal at interval 2 with two vertical at interval 11 and the transverse curvature interval that is communicated with from beginning to end of horizontal 9 formation at interval.The horizontal 2 wide 36mm at interval of present embodiment, horizontal 9 width at interval is 30mm, vertical 11 width at interval is 10mm.The evagination tenon 12 of stage casing door plate 3 is inserted in the mortise and tenon groove 15 of right section door plate 5, vertical interval 13 is arranged between tenon head 12 both sides and mortise and tenon groove 15 inboards outside, horizontal interval 14 is arranged between the end face of tenon head 12 and the mortise and tenon groove 15 outside, left end at right side section door plate 5 has the horizontal interval 4 with vertical 13 two of being connected at interval with the right-hand member of stage casing door plate 3, two transverse curvature intervals that horizontal interval 2 is communicated with two vertical intervals 13 and horizontal 14 formation head and the tail at interval are referring to Fig. 2.Horizontal 14 the width at interval of present embodiment is 30mm, and two horizontal width of 4 at interval are 36mm, and vertical 13 width at interval is 10mm.
Furnace door embodiment two at the bottom of the roller
The difference of furnace door embodiment one is the fire door bank that fire door bank embodiment two is installed at stove gate 41 at the bottom of present embodiment and the roller, sees Figure 12.The installing hole 23 that passes left side section door plate 19 left ends with screw is installed in left side section door plates 10 on the lower front end wall 44 of furnace door at the bottom of the roller, and the installing hole 28 that passes the right-hand member of right section door plate 21 with screw also is installed in right section door plates 21 on the lower front end wall 44 of furnace door at the bottom of the roller.Evagination tenon 26 is plugged on mortise and tenon groove 24, vertical interval 27 is arranged between tenon head 26 both sides and mortise and tenon groove 24 inboards outside, horizontal interval 25 is arranged between the end face of tenon head 26 and the mortise and tenon groove 24 outside, right-hand member at left side section door plate 19 has the horizontal interval 20 with vertical 27 two of being connected at interval with the left end of right side section door plate 21, interval 27 and horizontal be communicated with from beginning to end at interval crooked of horizontal 25 formation are at interval indulged with two in two horizontal intervals 20, referring to Fig. 6.Width at interval is identical with embodiment's one.The total length of fire door bank 56 (comprising at interval horizontal) is 2850mm.
Furnace door embodiment three at the bottom of the roller
The difference of furnace door embodiment one is the fire door bank that fire door bank embodiment three is installed at stove gate 41 at the bottom of present embodiment and the roller, sees Figure 12.The installing hole that passes left side section door plate 29 left ends with screw is installed in left side section door plate 29 on the lower front end wall 44 of furnace door at the bottom of the roller, and the installing hole that passes the right-hand member of right section door plate 31 with screw also is installed in right section door plate 31 on the lower front end wall 44 of furnace door at the bottom of the roller.Be communicated with formation bending interval at left section door plate 29 right-hand members and the horizontal head and the tail in vertical 30, three intervals, 32 and two horizontal stroke intervals at interval of the right side section door plate 31 left ends formation, referring to Fig. 8.Horizontal 30 width at interval of present embodiment are 30mm, and vertical 32 width at interval are 10mm.The total length of door (comprising at interval horizontal) is 2850mm.
In conjunction with Figure 13 crooked interval of the present invention is described, unequal before and after the width at crooked interval 59 among the figure, limit, left side 58 and right edge 60 have two places to intersect with vertical transverse plane MN.According to general knowledge as can be known, the effect of banking up a fire of the flame in the stove good than fire door bank embodiment three at the bottom of the fire door bank embodiment pair of rolls.
Claims (9)
1, a kind of fire door bank, there is installing hole at its two ends, the upper surface of fire door bank is an arc, it is characterized in that: it is made of two to three sections door plate butt joints, the joint of door plate is the at interval crooked of cross connection, the side on crooked both sides at interval intersects with same vertical transverse plane, and crooked interval is along fire door bank width d longitudinally
α·L·(T
1-T
0)＜d
Wherein α is the linear expansion coefficient of fire door bank material, and L is the total length of fire door bank
T
1High-temperature T when using for the fire door bank
0Fire door Kan Wendu when stopping working for stove at the bottom of the roller.
2, fire door bank according to claim 1, it is characterized in that: the joint of door plate is a tenon structure, wherein there is vertical mortise and tenon groove the butt end of one section door plate, the butt end of another that connects section door plate is vertical evagination tenon with it, the evagination tenon is plugged on the mortise and tenon groove, and the crooked of cross connection is made of with vertical at interval at interval horizontal stroke at interval.
3, fire door bank according to claim 2, it is characterized in that: it adopts three stage structure, constitute with right section door plate by left side section door plate, stage casing door plate, left side section door plate and right section door plate symmetry, installing hole is at the end of left side section door plate with right section door plate, left side section door plate has the mortise and tenon groove with the other end of right section door plate, and there is the evagination tenon at the two ends of stage casing door plate.
4, fire door bank according to claim 1, it is characterized in that: it is made of for two sections left side section door plate and right section door plate, left side section door plate is a bridging arrangement with the mutual butt end of right section door plate, the butt end of left side section door plate has half to evagination and second half one concaves, the butt end of corresponding with it right section door plate also is that half is to evagination and second half one concaves, the evagination position of right section door plate reaches the interior recess of left section door plate, and the bending of cross connection is made of two horizontal intervals and a vertical interval at interval.
5, furnace door at the bottom of a kind of roller, it comprises the headwall of going forward, the lower front end wall, stove gate, stove door plant, boom hoisting and fire door bank, go forward the upper edge of the lower edge of headwall and lower front end wall form around closed stove gate, stove door plant is hung in the boom hoisting retaining at stove gate, there is the installation through hole at the two ends of fire door bank, the upper surface of fire door bank is an arc, the fire door bank is installed in the upper edge of the lower front end wall of stove gate, it is characterized in that: said fire door bank is made of two to three sections door plate butt joints, the joint of door plate is the at interval crooked of cross connection, the side on crooked both sides at interval intersects with vertical transverse plane, and crooked interval is along fire door bank width d longitudinally
α·L·(T
1-T
0)＜d
Wherein α is the linear expansion coefficient of fire door bank material, and L is the total length of fire door bank
T
1High-temperature T when using for the fire door bank
0Fire door Kan Wendu when putting out stove.
6, furnace door at the bottom of the roller according to claim 5, it is characterized in that: the joint of the door plate of said fire door bank is a tenon structure, wherein there is vertical mortise and tenon groove the butt end of one section door plate, the butt end of another that connects section door plate is vertical evagination tenon with it, the evagination tenon is plugged on the mortise and tenon groove, and the crooked of cross connection is made of with vertical at interval at interval horizontal stroke at interval.
7, furnace door at the bottom of the roller according to claim 6, it is characterized in that: its fire door bank adopts three stage structure, constitute with right section door plate by left side section door plate, stage casing door plate, left side section door plate and right section door plate symmetry, one end of left side section door plate and right section door plate is installed in the fire door of stove at the bottom of the roller with trip bolt, left side section door plate has the mortise and tenon groove with the other end of right section door plate, and there is the evagination tenon at the two ends of stage casing door plate.
8, furnace door at the bottom of the roller according to claim 5, it is characterized in that: its fire door bank is made of for two sections left side section door plate and right section door plate, left side section door plate is a bridging arrangement with the mutual butt end of right section door plate, the butt end of left side section door plate has half to evagination and second half one concaves, the butt end of corresponding with it right section door plate also is that half is to evagination and second half one concaves, the evagination position of right section door plate reaches the interior recess of left section door plate, and the bending of cross connection is made of two horizontal intervals and a vertical interval at interval.
9, according to furnace door at the bottom of claim 5,6, the 7 or 8 described rollers, it is characterized in that: a vertical column is installed on the furnace door both sides respectively at the bottom of roller, one translot steel is installed in two column tops, two to three pulleys are installed on the translot steel, stove door plant is hung in pulley with slide fastener, and slide fastener rides over the sagging back of another pulley and is connected with counterweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100483479A CN100557359C (en) | 2006-09-26 | 2006-09-26 | Furnace door and fire door bank thereof at the bottom of a kind of roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100483479A CN100557359C (en) | 2006-09-26 | 2006-09-26 | Furnace door and fire door bank thereof at the bottom of a kind of roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1924500A true CN1924500A (en) | 2007-03-07 |
| CN100557359C CN100557359C (en) | 2009-11-04 |
Family
ID=37817240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100483479A Expired - Fee Related CN100557359C (en) | 2006-09-26 | 2006-09-26 | Furnace door and fire door bank thereof at the bottom of a kind of roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100557359C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836963A (en) * | 2012-11-26 | 2014-06-04 | 江苏华东炉业有限公司 | Furnace door hoisting device |
| CN110332802A (en) * | 2018-03-09 | 2019-10-15 | 边仁杰 | Zipper serves as a contrast retort |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368020A (en) * | 2011-10-19 | 2012-03-07 | 芜湖金龙模具锻造有限责任公司 | Furnace door opening-closing assembly for heat treatment furnace |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2695715B1 (en) * | 1992-09-11 | 1994-11-25 | Unimetall Sa | Scouring door of an electric arc furnace. |
| CN2622301Y (en) * | 2003-01-11 | 2004-06-30 | 徐波 | Floor coated with nano aqueous closed layer |
| CN2658284Y (en) * | 2003-10-28 | 2004-11-24 | 邢万蕊 | Floor board with tongue-and-groove |
-
2006
- 2006-09-26 CN CNB2006100483479A patent/CN100557359C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836963A (en) * | 2012-11-26 | 2014-06-04 | 江苏华东炉业有限公司 | Furnace door hoisting device |
| CN110332802A (en) * | 2018-03-09 | 2019-10-15 | 边仁杰 | Zipper serves as a contrast retort |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100557359C (en) | 2009-11-04 |
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