CN201787817U - Cushion block of heating furnace - Google Patents
Cushion block of heating furnace Download PDFInfo
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- CN201787817U CN201787817U CN2010202841530U CN201020284153U CN201787817U CN 201787817 U CN201787817 U CN 201787817U CN 2010202841530 U CN2010202841530 U CN 2010202841530U CN 201020284153 U CN201020284153 U CN 201020284153U CN 201787817 U CN201787817 U CN 201787817U
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Abstract
The utility model discloses a cushion block of a heating furnace. The cushion block comprises a heat-resisting basal body and a heat-resisting and wear-resisting part; the heat-resisting and wear-resisting part is coated and arranged at the top of the heat-resisting basal body; and the top surface of the heat-resisting and wear-resisting part is exposed to the top surface of the heat-resisting basal body. Through adopting the inlay composite casting technology for integrating materials with different characteristics into a whole, the cushion block has the advantages of wear resistance, heat resistance, no dark marks, high quality, lower cost and the like, is widely applicable to pusher-type reheating furnaces and walking beam furnaces under different temperatures, and improves the billet heating quality of the heating furnace.
Description
Technical field
The utility model is about the cushion block for heating furnace in the metallurgical industry furnace technology, particularly a kind of cushion block for heating furnace that adopts compound castingin manufacture method to make.
Background technology
Heating furnace is to be disposed on to support the member that is used to support steel billet on the water beam in the heating furnace in metallurgical industry furnace with cushion block or slide block (hereinafter to be referred as cushion block), it is to connect to support the water beam and be heated workpiece (steel billet) in heating steel billet process, and guarantees the critical component of steel billet heating quality.The height of cushion block has a significant impact the heating billet quality, the height of cushion block is high more, and to add thermal effect good more, yet the raising of height not only makes the cushion block manufacturing cost increase, and the cushion block upper temp is increased, and cushion block wear resistance at elevated temperature and obdurability index decrease; If the height of cushion block is lower, the cooling of being supported the water beam can make the temperature on cushion block top also reduce, and the local heat loss of the steel billet of cushion block top contact is big, can form a low temperate zone (being called for short black seal) on steel billet, influence the quality of becoming a useful person of steel billet thus, and follow-up steel rolling is brought adverse effect.
For improving the high-temperature behavior of cushion block, conventional art adopts the measure that improves cushion block alloy content grade usually; Be to reduce the black seal of steel billet, adopt usually add big cushion block at interval, with double or arrange measures such as cushion block is in staggered distribution more; Also having a kind of prior art is to offer equal hot hole at the upper position of cushion block, reduce supporting the influence of water beam to cushion block top, and then reduces or avoids steel billet to produce black seal.In addition, in order to reduce the consumption of alloy material, existing cushion block 9 been has also has been researched and developed slimwaist type cushion block structure (as shown in figure 13) except that having bar shaped cushion block (as shown in figure 11), mushroom-shaped cushion block (as shown in figure 12).Above-mentioned existing cushion block structure or cushion block manufacture method are just showing some effects aspect a certain defective of cushion block solving, still, do not have any cushion block possess simultaneously high high temperature carrying, wear-resisting, do not have characteristics such as black seal, low cost.
In view of this, the inventor is based on the experience of being engaged in the new material Study on manufacturing technology for many years, bond material subject newest fruits, utilize composite casting technique, castingin technology that the material of different operating characteristics is integrated in one, design a kind of new compound castingin cushion block for heating furnace.
The utility model content
The purpose of this utility model is to provide a kind of cushion block for heating furnace, this cushion block for heating furnace can satisfy different use occasions, have that high high temperature bearing capacity, higher anti-wear performance, relative cost are low, the characteristics of high performance-price ratio, and can improve the steel billet heating quality.
Another purpose of the present utility model is to provide a kind of cushion block for heating furnace, and this cushion block for heating furnace can be avoided steel billet is produced black seal.
The purpose of this utility model is achieved in that a kind of cushion block for heating furnace, and described cushion block for heating furnace is made of heat-resisting matrix and heat-resistant antifriction spare; Described heat-resistant antifriction spare is arranged on the top of described heat-resisting matrix by coating, and the end face of heat-resistant antifriction spare is exposed to the end face of heat-resisting matrix.
In a better embodiment of the present utility model, be provided with heat insulation support member in heat-resisting matrix inside.
In a better embodiment of the present utility model, described heat-resisting matrix includes second heat-resisting matrix that is positioned at the cushion block bottom and the first heat-resisting matrix that is positioned at cushion block top, and the refractory temperature of the described first heat-resisting matrix is higher than the refractory temperature of the second heat-resisting matrix; Described heat-resistant antifriction spare is arranged on the top of the described first heat-resisting matrix by coating, and the end face of heat-resistant antifriction spare is exposed to the end face of the first heat-resisting matrix.
In a better embodiment of the present utility model, the described first heat-resisting matrix and the second heat-resisting matrix are connected as one by semi-solid-state metal and liquid metal composite casting.
In a better embodiment of the present utility model, described heat-resistant antifriction spare by castingin on described heat-resisting matrix.
In a better embodiment of the present utility model, the top of described heat-resisting matrix is provided with a plurality of heat-resistant antifriction spares, and described a plurality of heat-resistant antifriction spares are distributed on the top of heat-resisting matrix.
In a better embodiment of the present utility model, described heat insulation support member by castingin in described heat-resisting matrix.
In a better embodiment of the present utility model, the alloy content of the described first heat-resisting matrix is higher than the alloy content of the second heat-resisting matrix; Material selection Co60, Co50, Co40 or the Co20 of the first heat-resisting matrix; Material selection Cr25Ni20Si2, Co20, Co40 or the Co50 of the second heat-resisting matrix; Described heat-resistant antifriction spare is selected cermet class material or nonmetallic ceramics class material for use.
In a better embodiment of the present utility model, described heat insulation support member is selected the resistance to compression fire-resistant heat insulating material for use.
The purpose of this utility model can also realize like this, a kind of cushion block for heating furnace, and described cushion block for heating furnace is made of heat-resisting matrix and heat insulation support member; Described heat insulation support member is arranged on the inside of described heat-resisting matrix.
In a better embodiment of the present utility model, also be provided with heat-resistant antifriction spare at the top of heat-resisting matrix; Described heat-resistant antifriction spare is arranged on the top of heat-resisting matrix by coating, and the end face of heat-resistant antifriction spare is exposed to the end face of heat-resisting matrix.
In a better embodiment of the present utility model, described heat-resisting matrix includes second heat-resisting matrix that is positioned at the cushion block bottom and the first heat-resisting matrix that is positioned at cushion block top; The refractory temperature of the described first heat-resisting matrix is higher than the refractory temperature of the second heat-resisting matrix; Described heat-resistant antifriction spare is arranged on the top of the first heat-resisting matrix by coating, and the end face of heat-resistant antifriction spare is exposed to the end face of the first heat-resisting matrix.
In a better embodiment of the present utility model, the described first heat-resisting matrix and the second heat-resisting matrix are connected as one by semi-solid-state metal and liquid metal composite casting.
In a better embodiment of the present utility model, described heat insulation support member by castingin in described heat-resisting matrix.
In a better embodiment of the present utility model, described heat-resistant antifriction spare by castingin on described heat-resisting matrix.
In a better embodiment of the present utility model, the top of described heat-resisting matrix is provided with a plurality of heat-resistant antifriction spares, and described a plurality of heat-resistant antifriction spares are distributed on the top of heat-resisting matrix.
In a better embodiment of the present utility model, the alloy content of the described first heat-resisting matrix is higher than the alloy content of the second heat-resisting matrix; Material selection Co60, Co50, Co40 or the Co20 of the first heat-resisting matrix; Material selection Cr25Ni20Si2, Co20, Co40 or the Co50 of the second heat-resisting matrix; Described heat insulation support member is selected the resistance to compression fire-resistant heat insulating material for use.
In a better embodiment of the present utility model, described heat-resistant antifriction spare is selected cermet class material or nonmetallic ceramics class material for use.
In sum, because the application of above measure, the compound castingin manufacture method of whole cushion block for heating furnace (slide block) played improve the heating products quality, improve the cushion block quality, prolong the cushion block life-span, reduce the beneficial effect of manufacturing cost.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Figure 1A: be the structural representation of the slimwaist type cushion block of single heat-resisting alloy castingin heat-resistant antifriction spare formation in the utility model.
Figure 1B: be the schematic side view of Figure 1A.
Fig. 2 A: be the structural representation of the bar shaped cushion block of single heat-resisting alloy castingin heat-resistant antifriction spare formation in the utility model.
Fig. 2 B: be the structural representation of the mushroom-shaped cushion block of single heat-resisting alloy castingin heat-resistant antifriction spare formation in the utility model.
Fig. 3 A: for heat-resistant antifriction spare adopts mesh-structured cushion block schematic diagram.
Fig. 3 B: be the schematic side view of Fig. 3 A.
Fig. 3 C: be the schematic top plan view of Fig. 3 A.
Fig. 4 A: the bar pad block structure schematic diagram that adopts castingin spaced apart for a plurality of heat-resistant antifriction spares.
Fig. 4 B: be the schematic side view of Fig. 4 A.
Fig. 5 A: the mushroom-shaped cushion block structural representation that adopts castingin spaced apart for a plurality of heat-resistant antifriction spares.
Fig. 5 B: be the schematic side view of Fig. 5 A.
Fig. 6 A: for the cushion block structural representation of heat insulation support member is set in heat-resisting matrix inside.
Fig. 6 B: be the schematic side view of Fig. 6 A.
Fig. 7 A: be the structural representation of the utility model cushion block that castingin heat-resistant antifriction spare and heat insulation support member constitute in the composite heat resistance alloy.
Fig. 7 B: be the schematic side view of Fig. 7 A.
Fig. 8 a-Fig. 8 h: be the making schematic flow sheet of the utility model cushion block for heating furnace.
Fig. 9 A: the structural representation of the bar shaped cushion block that constitutes for the heat insulation support member of the utility model castingin in single heat-resisting alloy.
Fig. 9 B: be the schematic side view of Fig. 9 A.
Fig. 9 C: the structural representation of the mushroom-shaped cushion block that constitutes for the heat insulation support member of the utility model castingin in single heat-resisting alloy.
Figure 10 A: the structural representation of the bar shaped cushion block that constitutes for the heat insulation support member of the utility model castingin in the composite heat resistance alloy.
Figure 10 B: be the schematic side view of Figure 10 A.
Figure 10 C: the structural representation of the mushroom-shaped cushion block that constitutes for the heat insulation support member of the utility model castingin in the composite heat resistance alloy.
Figure 11: be the structural representation of existing bar shaped cushion block.
Figure 12: be the structural representation of existing mushroom-shaped cushion block.
Figure 13: be the structural representation of existing slimwaist type cushion block.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.Wherein, identical parts adopt identical label.
Shown in Figure 1A, Figure 1B, Fig. 2 A, Fig. 2 B, the utility model proposes a kind of cushion block for heating furnace 100, described cushion block for heating furnace 100 is made of heat-resisting matrix 1 and heat-resistant antifriction spare 2; Described heat-resistant antifriction spare 2 is coated the top that is arranged on described heat-resisting matrix 1, and the end face 21 of heat-resistant antifriction spare 2 is exposed to the end face of heat-resisting matrix 1.In the present embodiment, described heat-resistant antifriction spare 2 is cast in heat-resisting matrix 1 top, that is: when making, solid-state heat-resistant antifriction spare 2 is positioned in the heat-resisting alloy that is in liquid state, after the cooling with heat-resistant antifriction spare 2 and heat-resisting matrix 1 both be combined as a whole (concrete manufacturing process will be made description in the back).Further, described cushion block 100 be shaped as slimwaist type (shown in Figure 1A, Figure 1B), can avoid the heat-resistant antifriction spare of castingin to come off in using, can prevent that casting process stress from concentrating effect simultaneously.The shape of described cushion block 100 also can be bar shaped (shown in Fig. 2 A) or mushroom-shaped (shown in Fig. 2 B).
Cushion block for heating furnace 100 of the present utility model adopts at heat-resisting matrix top castingin heat-resistant antifriction spare, has solved high temperature alloy wearability defect of insufficient in the existing cushion block thus, and the anti-wear performance of cushion block for heating furnace is being improved more than 3～10 times on the prior art basis.
In the present embodiment, described heat-resistant antifriction spare 2 is selected cermet class material or nonmetallic ceramics class material for use.A kind of special case as present embodiment, described cushion block also can adopt the heat-resistant antifriction spare of bulk ceramics class material to be made into, this cushion block of making by whole heat-resistant antifriction spare, it is heat-resisting, anti-wear performance is higher, but its anti-chilling swashs hot ability, be applicable to that environment is highly stable, impact low occasion.Therefore, the cushion block at the heat-resistant antifriction spare of heat-resisting matrix top castingin ceramic-like materials shown in Figure 1A-Fig. 2 B can reduce the size of heat-resistant antifriction spare, and saving cost, the reduction of heat-resistant antifriction spare thickness simultaneously can also improve it and anti-ly swash heat effect.
In the present embodiment, cushion block top heat-resistant antifriction spare 2 can adopt mesh-structured (shown in Fig. 3 A-Fig. 3 C); Or adopt the structure of a plurality of heat-resistant antifriction spares castingin spaced apart, and shown in Fig. 4 A, Fig. 4 B, Fig. 5 A, Fig. 5 B, the top of described heat-resisting matrix 1 is provided with a plurality of heat-resistant antifriction spares 2, and described a plurality of heat-resistant antifriction spares 2 are distributed on the top of heat-resisting matrix 1.Such structure can reduce heat-resistant antifriction spare chilling and swash heat, mechanical shock effect, plays and do not reduce the shock resistance effect on wear-resisting basis.
Further, shown in Fig. 6 A, Fig. 6 B, in the present embodiment, also be provided with heat insulation support member 3 in heat-resisting matrix 1 inside.Described heat insulation support member 3 is also by the inside of castingin in described heat-resisting matrix 1; Described heat insulation support member 3 is arranged on the geometric center position of heat-resisting matrix 1 bottom.In the present embodiment, described heat insulation support member 3 is selected the resistance to compression fire-resistant heat insulating material for use.
Because the use of heat insulation support member can reduce valuable alloy substrate material usage, reduce cost of manufacture; Also have simultaneously to reduce and support of the influence of water beam, eliminate black seal phenomenon the cushion block top; And have and improve cushion block rigidity and play a supporting role.
Shown in Fig. 6 A, Fig. 6 B, heat insulation support member can adopt the structure of band open-work, and open-work can be used as the fabrication hole of the heat insulation support member of support during castingin, makes processing technology become possibility, after filling heat-resisting matrix material in the open-work simultaneously, the effect that improves overall construction intensity in addition.
In the present embodiment, shown in Fig. 5 A, Fig. 5 B, Fig. 7 A, Fig. 7 B, described heat-resisting matrix 1 includes second heat-resisting matrix 11 that is positioned at the cushion block bottom and the first heat-resisting matrix 12 that is positioned at cushion block top; The refractory temperature of the described first heat-resisting matrix 12 is higher than the refractory temperature of the second heat-resisting matrix 11; The described first heat-resisting matrix 12 and the second heat-resisting matrix 11 are connected as one by semi-solid-state metal and liquid metal composite casting.Described heat-resistant antifriction spare 2 is coated the top that is arranged on the described first heat-resisting matrix 12, and the end face 21 of heat-resistant antifriction spare 2 is exposed to the end face of the first heat-resisting matrix 12.
Because cushion block for heating furnace of the present utility model has adopted compound castingin technology on manufacture craft, the heat-resisting alloy matrix is made into upper and lower two kinds of material composite constructions according to environment for use, do not reducing on the basis of using refractoriness, the cushion block cost is reduced; Under the constant situation of cost, the top alloy can be chosen the higher trade mark, play and improve the performance rate effect.
In the present embodiment, the alloy content of the described first heat-resisting matrix 12 is higher than the alloy content of the second heat-resisting matrix 11; The material of the first heat-resisting matrix 12 can be selected Co60, Co50, Co40 or Co20 for use; And the material corresponding selection alloy designations of the second heat-resisting matrix 11 is lower than Cr25Ni20Si2, Co20, Co40 or the Co50 of the first heat-resisting matrix 12;
Cushion block for heating furnace of the present utility model is applicable in pusher-type furnace under each temperature section condition, the walking beam furnace; This cushion block for heating furnace is by the material integrated and one of compound castingin technology with different qualities (comprise heat-resisting, wear-resisting, adiabatic, against corrosion etc.), make described cushion block have wear-resisting, heat-resisting, do not have advantages such as black seal, quality height, relative cost are low, can be widely used in heating furnace production.
Be example with the mushroom-shaped cushion block shown in Fig. 5 A, Fig. 5 B below, describe the compound manufacturing process of making cushion block of two heat-resisting alloy base materials with heat-resistant antifriction spare, heat insulation support member castingin.This manufacturing process comprises the steps:
1. the casting mold before the compound castingin is prepared:
(1) makes heat-resistant antifriction spare 2: by the design drawing specification, (can select material for use is cermet or the nonmetallic ceramics high-temperature and wear-proof that satisfies under this temperature conditions to use the material of position temperature environment requirement to customize corresponding wear-resistant ceramic prefabricated component according to heating furnace; For example: at the cushion block that high-temperature area uses, heat-resistant antifriction spare wherein 2 adopts resistant to elevated temperatures nonmetallic ceramics high-temperature and wear-proof; In, the cushion block that uses of low-temperature region, heat-resistant antifriction spare wherein 2 can adopt the metal ceramic wear-resisting material);
(2) make heat insulation support member 3: the heat insulation support member material of choosing by the design drawing specification, according to designing institute customize corresponding insulating refractory support prefabricated component (can select material for use is the refractory material with high-temperature heat-resistance, heat insulation, advantages of higher compressive strength, as: materials such as clay matter, high alumina matter, corundum matter, chromium oxide and zirconium matter, calcining graphite matter);
(3) casting mold 5 (top box 51, nowel 52) of preparation casting usefulness: adopt the smart casting of resin sand branch mailbox formative technology method, wear-resisting working face is positioned at the nowel bottom surface, die joint is located on the interface of large and small cylinder casting mold, and rising head and cast gate are shared, and is located at top box top centre;
(4) sand mold inner surface brushing (or spraying) fireproof coating; And putting heat-resistant antifriction spare 2 on the coating of baseplane by the design arrangement requirement on the nowel baseplane, available coating a plurality of heat-resistant antifriction spares are adhesively fixed (shown in Fig. 8 a, Fig. 8 b);
(5) between heat-resistant antifriction spare 2 and heat insulation support member 3, put heat resisting steel metallic support 4, heat insulation support member is put the position of casting mold requirement and firm supporting (shown in Fig. 8 c);
(6), guarantee that the die joint sealing do not run away, the not mould shift (shown in Fig. 8 d) of aliging of upper and lower casting mold by the upper and lower case location top box 51 that closes;
(7) the casting mold waste heat is with dry: with moisture evaporate to dryness in the casting mold, and be preheating to 150～180 ℃.
2. the smelting of heat-resisting alloy:
By environment for use to the requirement of cushion block material be divided into top with high temperature heat-resisting (that is: the first heat-resisting matrix 12), bottom with low temperature heat-resisting alloy (that is: the second heat-resisting matrix 11), smelt with two smelting furnaces respectively, reach requirement according to separately chemical composition and temperature respectively;
3. the casting of compound castingin cushion block:
Require temperature according to design technology, at first in die cavity, pour into high temperature heat-resisting 12 molten metals, molten metal enters the casting mold inner chamber through cast gate and type internal channel, preferentially fill up the baseplane of the wearing piece that distributing, wearing piece is coated among the heat-resisting alloy until high and low temperature alloy interface (shown in Fig. 8 e); When treating that high temperature heat-resisting 12 molten metals are subjected to coolings such as casting mold and coating member to reach half curdled appearance, change low temperature heat-resisting alloy 11 molten metals rapidly, pour into low temperature heat-resisting alloy 11 molten metals according to the technological requirement temperature, the high temperature heat-resisting 12 molten metal interfaces of half curdled appearance are influenced by the high temperature fluent metal liquid of the new low temperature heat-resisting alloy 11 that adds, make interface produce a little remelting, and on the interface, form metallurgical composite bed with low temperature heat-resisting alloy 11 molten metals; Low temperature heat-resisting alloy 11 molten metals continue casting and heat insulation support member 3 are coated on wherein simultaneously, and until filling up rising head, the rising head top adds the heat-insulation and heat-preservation additive, and casting finishes (shown in Fig. 8 f);
4. insulation and unpacking and subsequent treatment:
After the foundry goods casting, solidify to unpack (shown in Fig. 8 g) fully naturally cooling in the sand mold 5; Treat that foundry goods is cooled to 450～550 ℃ and can adopts heat to unpack the sand mold of foundry goods periphery is removed, remove water, rising head heat delivers to heat-treatment furnace and heat-treats; Also can naturally cool to room temperature and adopt the cold heat treatment of sending; The polishing cleaning of heat treatment rear surface, inspection, sign (shown in Fig. 8 h).
In sum, because the application of above measure makes the cushion block for heating furnace of the compound castingin of the utility model can reach the beneficial effect that improves heating products quality, raising cushion block quality, prolongation cushion block life-span, reduces manufacturing cost.
Shown in Fig. 9 A-Fig. 9 C, the utility model also provides a kind of cushion block for heating furnace 100, and described cushion block for heating furnace 100 is made of heat-resisting matrix 1 and heat insulation support member 3; Described heat insulation support member 3 is arranged on the inside of heat-resisting matrix 1.In the present embodiment, described heat insulation support member 3, that is: is positioned over solid-state heat insulation support member 3 in the heat-resisting alloy that is in liquid state when making in described heat-resisting matrix 1 by castingin, and both are combined as a whole with heat insulation support member 3 and heat-resisting matrix 1 after the cooling.In the present embodiment, described heat insulation support member 3 is made by the resistance to compression fire-resistant heat insulating material; Described heat insulation support member 3 is arranged on the geometric center position of heat-resisting matrix 1 bottom.Further, described cushion block 100 be shaped as bar shaped (shown in Fig. 9 A), also can be mushroom-shaped (shown in Fig. 9 C) or slimwaist type (not shown).
Because the use of heat insulation support member can reduce valuable alloy substrate material usage, reduce cost of manufacture; Also have simultaneously to reduce and support of the influence of water beam, eliminate black seal phenomenon the cushion block top; And have and improve cushion block rigidity and play a supporting role.
Further, shown in Figure 10 A-Figure 10 C, in the present embodiment, described heat-resisting matrix 1 includes second heat-resisting matrix 11 that is positioned at the cushion block bottom and the first heat-resisting matrix 12 that is positioned at cushion block top; The refractory temperature of the described first heat-resisting matrix 12 is higher than the refractory temperature of the second heat-resisting matrix 11; The described first heat-resisting matrix 12 and the second heat-resisting matrix 11 are connected as one by semi-solid-state metal and liquid metal composite casting.
Because cushion block for heating furnace of the present utility model has adopted compound castingin technology on manufacture craft, the heat-resisting alloy matrix is made into upper and lower two kinds of material composite constructions according to environment for use, do not reducing on the basis of using refractoriness, the cushion block cost is reduced; Under the constant situation of cost, the top alloy can be chosen the higher trade mark, play and improve the performance rate effect.
In the present embodiment, the alloy content of the described first heat-resisting matrix 12 is higher than the alloy content of the second heat-resisting matrix 11; The material of the first heat-resisting matrix 12 can be selected Co60, Co50, Co40 or Co20 for use; And the material corresponding selection alloy designations of the second heat-resisting matrix 11 is lower than Cr25Ni20Si2, Co20, Co40 or the Co50 of the first heat-resisting matrix 12;
Other structures, process and the beneficial effect of present embodiment is identical with embodiment 1, does not repeat them here.
The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (18)
1. cushion block for heating furnace, it is characterized in that: described cushion block for heating furnace is made of heat-resisting matrix and heat-resistant antifriction spare; Described heat-resistant antifriction spare is arranged on the top of described heat-resisting matrix by coating, and the end face of heat-resistant antifriction spare is exposed to the end face of heat-resisting matrix.
2. cushion block for heating furnace as claimed in claim 1 is characterized in that: be provided with heat insulation support member in heat-resisting matrix inside.
3. cushion block for heating furnace as claimed in claim 1, it is characterized in that: described heat-resisting matrix includes second heat-resisting matrix that is positioned at the cushion block bottom and the first heat-resisting matrix that is positioned at cushion block top, and the refractory temperature of the described first heat-resisting matrix is higher than the refractory temperature of the second heat-resisting matrix; Described heat-resistant antifriction spare is arranged on the top of the described first heat-resisting matrix by coating, and the end face of heat-resistant antifriction spare is exposed to the end face of the first heat-resisting matrix.
4. cushion block for heating furnace as claimed in claim 3 is characterized in that: the described first heat-resisting matrix and the second heat-resisting matrix are connected as one by semi-solid-state metal and liquid metal composite casting.
5. cushion block for heating furnace as claimed in claim 1 is characterized in that: described heat-resistant antifriction spare by castingin on described heat-resisting matrix.
6. cushion block for heating furnace as claimed in claim 5 is characterized in that: the top of described heat-resisting matrix is provided with a plurality of heat-resistant antifriction spares, and described a plurality of heat-resistant antifriction spares are distributed on the top of heat-resisting matrix.
7. cushion block for heating furnace as claimed in claim 2 is characterized in that: described heat insulation support member by castingin in described heat-resisting matrix.
8. cushion block for heating furnace as claimed in claim 3 is characterized in that: the alloy content of the described first heat-resisting matrix is higher than the alloy content of the second heat-resisting matrix; Material selection Co60, Co50, Co40 or the Co20 of the first heat-resisting matrix; Material selection Cr25Ni20Si2, Co20, Co40 or the Co50 of the second heat-resisting matrix; Described heat-resistant antifriction spare is selected cermet class material or nonmetallic ceramics class material for use.
9. cushion block for heating furnace as claimed in claim 2 is characterized in that: described heat insulation support member is selected the resistance to compression fire-resistant heat insulating material for use.
10. cushion block for heating furnace, it is characterized in that: described cushion block for heating furnace is made of heat-resisting matrix and heat insulation support member; Described heat insulation support member is arranged on the inside of described heat-resisting matrix.
11. cushion block for heating furnace as claimed in claim 10 is characterized in that: the top at heat-resisting matrix also is provided with heat-resistant antifriction spare; Described heat-resistant antifriction spare is arranged on the top of heat-resisting matrix by coating, and the end face of heat-resistant antifriction spare is exposed to the end face of heat-resisting matrix.
12. cushion block for heating furnace as claimed in claim 11 is characterized in that: described heat-resisting matrix includes second heat-resisting matrix that is positioned at the cushion block bottom and the first heat-resisting matrix that is positioned at cushion block top; The refractory temperature of the described first heat-resisting matrix is higher than the refractory temperature of the second heat-resisting matrix; Described heat-resistant antifriction spare is arranged on the top of the first heat-resisting matrix by coating, and the end face of heat-resistant antifriction spare is exposed to the end face of the first heat-resisting matrix.
13. cushion block for heating furnace as claimed in claim 12 is characterized in that: the described first heat-resisting matrix and the second heat-resisting matrix are connected as one by semi-solid-state metal and liquid metal composite casting.
14. cushion block for heating furnace as claimed in claim 10 is characterized in that: described heat insulation support member by castingin in described heat-resisting matrix.
15. cushion block for heating furnace as claimed in claim 11 is characterized in that: described heat-resistant antifriction spare by castingin on described heat-resisting matrix.
16. cushion block for heating furnace as claimed in claim 15 is characterized in that: the top of described heat-resisting matrix is provided with a plurality of heat-resistant antifriction spares, and described a plurality of heat-resistant antifriction spares are distributed on the top of heat-resisting matrix.
17. cushion block for heating furnace as claimed in claim 12 is characterized in that: the alloy content of the described first heat-resisting matrix is higher than the alloy content of the second heat-resisting matrix; Material selection Co60, Co50, Co40 or the Co20 of the first heat-resisting matrix; Material selection Cr25Ni20Si2, Co20, Co40 or the Co50 of the second heat-resisting matrix; Described heat insulation support member is selected the resistance to compression fire-resistant heat insulating material for use.
18. cushion block for heating furnace as claimed in claim 11 is characterized in that: described heat-resistant antifriction spare is selected cermet class material or nonmetallic ceramics class material for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202841530U CN201787817U (en) | 2010-08-06 | 2010-08-06 | Cushion block of heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202841530U CN201787817U (en) | 2010-08-06 | 2010-08-06 | Cushion block of heating furnace |
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| CN201787817U true CN201787817U (en) | 2011-04-06 |
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| CN2010202841530U Expired - Lifetime CN201787817U (en) | 2010-08-06 | 2010-08-06 | Cushion block of heating furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928822A (en) * | 2010-08-06 | 2010-12-29 | 中冶京诚工程技术有限公司 | Cushion block for heating furnace |
| CN105821202A (en) * | 2016-04-20 | 2016-08-03 | 湖北神雾热能技术有限公司 | Sliding block for stepping type heating furnace |
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2010
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928822A (en) * | 2010-08-06 | 2010-12-29 | 中冶京诚工程技术有限公司 | Cushion block for heating furnace |
| CN105821202A (en) * | 2016-04-20 | 2016-08-03 | 湖北神雾热能技术有限公司 | Sliding block for stepping type heating furnace |
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