CN102278891B - Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel - Google Patents
Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel Download PDFInfo
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- CN102278891B CN102278891B CN 201110238409 CN201110238409A CN102278891B CN 102278891 B CN102278891 B CN 102278891B CN 201110238409 CN201110238409 CN 201110238409 CN 201110238409 A CN201110238409 A CN 201110238409A CN 102278891 B CN102278891 B CN 102278891B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
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Abstract
The invention discloses a preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel and relates to a preheater cyclone which is applicable to a novel drying cement production line. The preheater cyclone internal cylinder comprises an internal cylinder body which is connected with a cyclone fixed seat, wherein the internal cylinder body is formed by connecting a plurality of ceramic hanging pieces and ceramic connecting plates in a matched mode. The preheater cyclone internal cylinder is characterized in that: each ceramic hanging piece has a square plate structure; the left and right side faces of each ceramic hanging piece are respectively provided with embedded steps which are symmetric in opposite direction; the ceramic hanging pieces are in left-right embedding two by two and are tightly distributed along circumferential direction to form a cylindrical body; the upper end of each ceramic hanging piece on the upper part of the cylindrical body is connected with the fixed seat; the ceramic hanging pieces which are adjacent in vertical direction or horizontal direction are fixedly connected by the ceramic connecting plates; and the ceramic hanging pieces are hollow cavities into which the steel strips made of the super-strong heat resistant steel are added. The preheater cyclone internal cylinder with the steel strips made of the super-strong heat resistant steel is low in processing difficulty, simple in structure, low in cost, high in acid-base corrosion resistance, long in service life and high in use safety.
Description
Technical field
The present invention relates to cement manufacture plant, particularly a kind of internal barrel of preheater cyclone barrel and ceramic lacing film with ultra-strong refractory steel steel band.
Background technology
For a long time; Applied internal barrel of preheater cyclone barrel in the domestic and international dry cement production line; Material is main with the kuromore steel; Its outstanding shortcoming is present in two aspects: the one, and the price comparison of steel is expensive, and is per ton usually all more than 100,000 yuan, produces an internal barrel of preheater cyclone barrel cost like this and will reach hundreds of thousands unit; The 2nd, physical life is shorter, and the acid-alkali-corrosive-resisting poor-performing of steel alloy on average has only 10-14 month in the normal following life-span of state.Change inner core based on this shut-down (breakdown) mainteance that causes, had a strong impact on the production time of enterprise, caused burden for the enterprise production cost.How to make a kind of high strength that has, anticorrosive wear-resistant decreases the inner core of performance to substitute existing steel alloy, controls production cost simultaneously, improves physical life, is the technical problem that the manufacture of cement industry is paid close attention to.
The existing employing of prior art is with low cost, corrosion-resistant, mar proof can better be made internal barrel of preheater cyclone barrel by ceramic component; Put down in writing a kind of " full internal barrel of ceramic pre-heater " like Chinese patent 200820188205.7; Its wear-resistant ceramic assembly comprises the wear-resistant ceramic post and the arced ceramic connecting plate of splicing assembling, and the wear-resistant ceramic post splices each other, and the splicing side is through alphabetical docking port splicing; Wear-resistant ceramic post upper and lower side and connecting plate are respectively equipped with connector, connect through screw bolt and nut.This connecting method is simple in structure, and splicing is convenient, but because inner core only has one deck ceramics pole; Ceramics pole length is long, and the refractory ceramics difficulty of processing is big, causes cost higher; Simultaneously, because expanding with heat and contract with cold under the temperature difference, interior outer arcuate connecting plate and ceramics pole occur loosening after producing distortion; Can't closely connect, service life is not long.Disclose in the Chinese invention patent 200810050022.3 " ceramic hanging board that a kind of internal barrel of preheater cyclone barrel is used and method of attachment " and a kind ofly spliced with the little ceramic hanging board of size; The difficulty of processing of little ceramic hanging board reduces; But this ceramic hanging board complex structure; And splicing is complicated, also exists because the danger of expanding with heat and contract with cold and causing pottery to burst apart simultaneously.
Summary of the invention
The objective of the invention is; Solve the big or complex structure of building block difficulty of processing that exists when existing preheater cyclone tube heat resisting steel inner core adopts the ceramic component assembly unit; Expanding with heat and contract with cold causes the pottery fracture, and heat resistance is not high enough, thereby influences the problem in quality and service life; The internal barrel of preheater cyclone barrel of defectives such as the connection that provides little, the simple in structure while of a kind of difficulty of processing can prevent to expand with heat and contract with cold to produce is loosening, service life is short; Not only cost is low, and acid-alkali-corrosive-resisting property is high, the service life of also having improved inner core.The present invention also provides the special-purpose member pottery lacing film of this whirlwind tube inner core.
A kind of internal barrel of preheater cyclone barrel with ultra-strong refractory steel steel band; Comprise the inner barrel that links to each other with whirlwind tube holder, polylith pottery lacing film and the ceramic connecting plate of shape structure mate and connect and compose said inner barrel each other layer by layer by being set to two layers or three layers or four layers or five up and down; It is characterized in that; Every said ceramic lacing film is the square plate structure; Two sides are respectively arranged with the chimeric step of reverse symmetry about it, and the left and right sides is chimeric between the ceramic in twos lacing film, and form cylindrical body along circumferentially closely arranging; The upper end on the forward and backward surface of said ceramic lacing film and bottom are provided with the through hole that connects front and rear surfaces respectively, and the upper end of each ceramic lacing film of top of said cylindrical body links to each other with said holder; Said ceramic connecting plate is a batten, and it is provided with the perforation through hole with the said ceramic connecting plate front-back of the corresponding perforation of said through hole; Said ceramic lacing film is a hollow cavity; The hollow cavity of the ceramic lacing film of each layer is connected up and down; Be inserted with the height of the said hollow cavity that is communicated with in the hollow cavity that is communicated with adapt, width is less than the ultra-strong refractory steel steel band of hollow cavity width; Said ultra-strong refractory steel steel band is provided with installing hole corresponding to the position of the through hole of the ceramic lacing film of each layer, from top to bottom installing hole and the corresponding one by one overlapping bolt that is used for of said through hole.
The hollow cavity of said ceramic lacing film is longitudinally to connect the vertical cavity that is provided with.
Said vertical cavity is two, is provided with vertical rib between two vertical cavitys.
Said ceramic connecting plate is the rectangle plate body; Comprise middle connecting plate; Perforation through hole on the said middle connecting plate is two of being provided with up and down along the plate length direction, overlaps with the through hole on the top of the said ceramic lacing film of the through hole of the bottom of the said ceramic lacing film of its upper end and its lower end respectively, through passing the ceramic bolt of through hole and perforation through hole; Neighbouring said ceramic lacing film is fixed together, and making said cylindrical body is layer structure.
The through hole of each ceramic lacing film of said cylindrical body bottom is two of horizontally set; Said ceramic connecting plate also comprises the bottom connecting plate; Two of being provided with about being of perforation through hole on the connecting plate of said bottom; Overlap with the adjacent through-holes that is positioned at adjacent two ceramic lacing film bottoms, said cylindrical body bottom respectively,, said cylindrical body bottom adjacent two ceramic lacing films are fixed together through passing through hole and the ceramic bolt that connects through hole.
Said each ceramic lacing film is a rectangular structure.
Ultra-strong refractory steel steel band in the above-mentioned hollow cavity is overlapping multi-disc, on the optional position outside the installing hole on the ultra-strong refractory steel steel band one side, is provided with projection.
The single-sheet thickness of said ultra-strong refractory steel steel band is 8～10mm.
There are two horizontal through holes arranged side by side the upper end of each vertical cavity of the superiors' pottery lacing film that is connected with holder at least; Installing hole on the corresponding ultra-strong refractory steel steel band also is two of horizontally set, and the screw and shape of through holes and the quantity on the ceramic lacing film that are used on the said holder to install on the one side of ceramic lacing film adapt.
The material of said holder is a ultra-strong refractory steel.
Ceramic lacing film with ultra-strong refractory steel steel band; It is characterized in that being the square plate structure; Two sides are respectively arranged with the chimeric step of reverse symmetry about it; The upper end on its forward and backward surface and bottom are provided with the through hole that connects front and rear surfaces respectively, and said ceramic lacing film is a hollow cavity, and said hollow cavity is inserted with the ultra-strong refractory steel steel band that the height with said hollow cavity adapts; The upper end of said ultra-strong refractory steel steel band and bottom are provided with the installing hole that connects forward and backward surface along thickness direction, and said installing hole and said through hole can be overlapping under the insertion state.
The hollow cavity of said ceramic lacing film is longitudinally to connect the vertical cavity that is provided with.
Said vertical cavity is two, is provided with vertical rib between two vertical cavitys.
Above-mentioned internal barrel of preheater cyclone barrel with ultra-strong refractory steel steel band special-purpose ultra-strong refractory steel steel band; Be characterised in that: its shape is highly consistent with the stack of the hollow cavity of the multi-layer ceramics lacing film of said formation inner barrel, and its position corresponding to the through hole of the ceramic lacing film of each layer is provided with installing hole.
Said special-purpose ultra-strong refractory steel steel band is provided with at least one projection on the optional position outside the installing hole on its one side.
The width of said ultra-strong refractory steel steel band is less than the width of the hollow cavity of said ceramic lacing film.
The single-sheet thickness of said ultra-strong refractory steel steel band is 8～10mm.
Above-mentioned preparation method with internal barrel of preheater cyclone barrel of ultra-strong refractory steel steel band is characterized in that: on the holder of former preheater windspout barrel, be connected and installed the inner barrel that is assembled by ceramic lacing film and the cooperation of ceramic connecting plate, its step is following
(1) said ultra-strong refractory steel steel band is inserted in the hollow cavity of upper strata pottery lacing film; Make first installing hole of insertion end folded mutually with the through hole of the upper end of ground floor pottery lacing film; The through hole that bolt passes the upper end of folded mutually upper strata pottery lacing film is fixed on ultra-strong refractory steel steel band and upper strata pottery lacing film on the holder with first installing hole; Circumferentially the adjacent side of adjacent ceramic lacing film is oppositely chimeric each other, and forms cylindrical body along circumferentially closely arranging;
(2) when said inner barrel for by said ceramic lacing film during along layer structure that axis direction is stacked to constitute up and down, be fixed together with the abutting end of the ceramic connecting plate ceramic lacing film that levels is adjacent;
(3) between the bottom of the circumferential adjacent ceramic lacing film in edge, said inner barrel bottom, be fixed together through ceramic connecting plate.
Technique effect:
Because the plate structure through regular shape forms cylindrical body circumferential closely the arrangement; The upper end that reaches through the forward and backward surface of said ceramic lacing film links to each other with ceramic connecting plate with the through hole that the bottom is provided with the perforation front and rear surfaces respectively; Not only ceramic lacing film is easy to make; And be connected and installed also easily simply, because said ceramic lacing film is a hollow cavity, not only strengthened heat-insulating property simultaneously; Have the stretching, extension contraction leeway that good absorption is expanded with heat and contract with cold, can guarantee that therefore pottery fracture do not occur because expand with heat and contract with cold.Simultaneously the ceramic lacing film of the utility model also has the advantage of ceramic acid-alkali-corrosive-resisting property, has therefore prolonged cylindrical shell service life greatly.Ceramic lacing film of the present invention has been set up the ultra-strong refractory steel steel band in hollow cavity, be equivalent in the middle of the inwall of the heat-resisting whirlwind tube that assembles, set up a whole layer and add powerful and refractory layer, and the entire equipment heat resistance is improved greatly.The ultra-strong refractory steel steel band is the laminated structure that heat proof material is prepared from; As long as its shape satisfy has consistent with the hollow cavity height sum of the ceramic lacing film of each layer up and down in the longitudinal direction; Width is less than the hollow cavity width, and the installing hole corresponding to the through hole of ceramic lacing film that is used for that bolt installs that is provided with of length direction gets final product.Therefore the shape of ultra-strong refractory steel steel band can also have more kinds of distortion, all in the protection domain that the utility model requires.During assembling preheating whirlwind tube, the ultra-strong refractory steel steel band is put into ceramic lacing film, the through hole of its installing hole and ceramic lacing film is overlapping, bolt from overlapping hole, pass carry out fastening.The ultra-strong refractory steel steel band of setting up has not only strengthened the heat resistance of whirlwind tube inner core; Postpone service life, more increased safety in utilization, under extreme case--whirlwind tube inner core is just in case take place under the situation of fracture; The ultra-strong refractory steel steel band will play keeps whirlwind tube syndeton; Make it can not fall apart moment to cave in and cause security threat, the function just as the reinforcing bar set up in the building plays reinforcement.The utility model has been owing to adopted the ceramic lacing film that is respectively arranged with the chimeric step of reverse symmetry in its two sides, make ceramic lacing film can be regular on inner core, arrange closely, make inner core intensity higher; Can bear bigger stress, compare with the inner barrel that the kuromore steel is processed, not only price is low; And high temperature resistant, corrosion-resistant, resistance to oxidation; Abrasion resistance properties is good, and material proportion is less than 1/2 of alloy, and can reach 3-4 service life; Compare with the nichrome inner core, improve 2-3 times of service life, cost reduces more than 70%.
Vertically the ceramic lacing film of cavity is convenient to processing.Said vertical cavity is two, is provided with vertical rib between two vertical cavitys, can play supporting role preferably to the stayed surface of hollow ceramic lacing film, makes ceramic lacing film both light and handy, and is solid again.
Middle connecting plate is set can be easily ceramic lacing film be up and down connected as one, making said cylindrical body is layer structure, and ceramic lacing film can be done lessly simultaneously, to be easy to moulding.A plurality of ceramic lacing films are axially connected along inner core, and with respect to the ceramics pole of one up and down, the difficulty of processing of ceramic lacing film and processing cost all can decline to a great extent; On the other hand, adopt the ceramic lacing film of reduced size, can be applied to the inner core of differing heights, avoided to customize the trouble of one ceramics pole up and down because of the inner core height is different according to requirement of engineering.Ceramic up and down lacing film is fixedly connected and forms through ceramic connecting plate, makes the connection of ceramic lacing film up and down tight, and the also corresponding length that can reduce ceramic lacing film is convenient to the production of ceramic lacing film.
The lower, transverse of each ceramic lacing film of said cylindrical body bottom is provided with two through holes, is convenient to link to each other with said ceramic connecting plate, and this mode is that not ceramic lacing film is easy to connect, tight down.
The present invention is preferred, and there are two horizontal through holes arranged side by side the upper end of each vertical cavity of the superiors' pottery lacing film that is connected with holder at least, and the installing hole on the corresponding ultra-strong refractory steel steel band also is two of horizontally set.It is fastening to adopt ceramic bolt to carry out in the through hole, and it is fastening to adopt the bolt of ultra-strong refractory steel material to carry out in another through hole, the security that can strengthen installing and service life.The pottery bolt has oxidation resistant effect, but ductility and anti-stress difference, and ultra-strong refractory steel has stronger intensity and toughness.Two kinds of bolts use simultaneously, have further guaranteed the safety in utilization of preheating whirlwind tube of the present invention.Through hole on each vertical cavity one end on all ceramic lacing films all is set to two, and the installing hole on the corresponding ultra-strong refractory steel steel band also all is made as laterally arranged side by side two, also all in the scope of the present invention's protection.
The material of said holder is a ultra-strong refractory steel, and the screw and the ceramic lacing film that are used to install the one side of ceramic lacing film on the said holder adapt.
Among the present invention, the ceramic material of ceramic lacing film can select for use SiC and Si3N4 to be prepared from through reaction sintering technology.
Among the present invention, the ultra-strong refractory steel steel band that adopts in the hollow cavity of ceramic lacing film can be that multi-disc is thought overlapping use.In order not influence the function of hollow cavity.Preferably the optional position except that installing hole is welded with projection on the one side of ultra-strong refractory steel steel band, is used to make between the ultra-strong refractory steel steel band of overlapping use leave the space.
Among the present invention; The preferred 8-10mm of the thickness of ultra-strong refractory steel steel band; Width is 4 centimetres, adapts with the specification of the hollow cavity of ceramic lacing film, and the ultra-strong refractory steel steel band of this size possesses the role that can serve as preheating tube inner core reinforcement and do not waste steel.
The ultra-strong refractory steel of using among the present invention is disclosed among the patent ZL200510011584.3; The ultra-strong refractory steel of applicant company oneself development and production and sales; Model is HXD-ZG-01 to HXD-ZG-06, has high temperature resistant, corrosion-resistant, wear-resistant, anti-high-sulfur, shock resistance, is prone to cut, can weld etc.Compare with similar heat resisting steel product can improve service life 1-3 doubly; With the low 5%-15% of same type of material cost, under hot environment, can use continuously, have good thermal fatigue resistance and resistance to elevated temperatures; Use repeatedly to be difficult for producing decrepitation, use maximum temperature can reach more than 1400 ℃.
Description of drawings
Fig. 1. be partial side view of the present invention;
Fig. 2. be vertical view of the present invention;
Fig. 3 a. is the front view of holder;
Fig. 3 b. is the A-A cutaway view of holder.
Fig. 4 a. is the vertical view of bottom of the present invention connecting plate;
Fig. 4 b. is the side view of bottom of the present invention connecting plate;
Fig. 5 a. is the vertical view of middle connecting plate of the present invention;
Fig. 5 b. is the side view of middle connecting plate of the present invention;
Fig. 6 a. is the upward view of ceramic lacing film among the present invention;
Fig. 6 b. is that the folded position of ceramic lacing film and ultra-strong refractory steel steel band concerns front view among the present invention;
Fig. 7. the sketch map that is connected of ceramic lacing film and ceramic connecting plate among the present invention;
Fig. 8. sketch map is used in the stack of multi-disc ultra-strong refractory steel steel band, and wherein boss is at two ends;
Fig. 9. sketch map is used in the stack of multi-disc ultra-strong refractory steel steel band, and wherein boss is in middle optional position;
Mark among the figure: 1, inner barrel; 2, ceramic lacing film; 21, vertical cavity; 22, chimeric step, 23, through hole; 3, ceramic connecting plate; 31, middle connecting plate; 32, bottom connecting plate, 33, connect through hole; 8, holder, 9, the heat resisting steel connecting plate, 10, the ultra-strong refractory steel steel band, 11-installing hole, 12-boss
The specific embodiment
Accompanying drawings the present invention.
Fig. 1, Fig. 2 are the side view and the vertical view of internal barrel of preheater cyclone barrel of the present invention; Fig. 3 a and Fig. 3 b are that the front view and the AA of internal barrel of preheater cyclone barrel holder is visible from Fig. 1 and Fig. 2 to cutaway view; From the visible inner barrel 1 that links to each other with whirlwind tube holder 8 that comprises of Fig. 1 and Fig. 2, inner barrel 1 is mated each other by polylith pottery lacing film 2 and ceramic connecting plate and connects and composes.The pottery connecting plate comprises middle connecting plate 31 and bottom connecting plate 32; Pottery lacing film 2 forms cylindrical body along circumferentially closely arranging, and longitudinally through middle connecting plate 31 upper and lower ceramic lacing film 2 is fixedly connected to form layer structure, and ceramic lacing film 2 tops that are positioned at the superiors are fixedly connected with holder 8.Each ceramic lacing film 2 size is identical among Fig. 1 and Fig. 2, can certainly be different, and the size of each middle connecting plate 31 is also identical among Fig. 1 and Fig. 2, can certainly be inequality; Said fixed connection is meant through ceramic bolt and connects; Be respectively arranged with on said each ceramic lacing film 2 and the ceramic connecting plate being connected of being used for that ceramic bolt passes with through hole 23 with connect through hole 33; Certainly; Ceramic lacing film 2 up and down is not limited to and adopts bolt to connect, and is interpreted as adopting other all alternative connected modes, such as chimeric each other mode.Through the connection of middle connecting plate 31, ceramic lacing film 2 is set to four layers up and down among Fig. 1.It can certainly be two-layer or sandwich construction.Said ceramic lacing film 2 is a strip, can certainly be the arc of identical radian measure.Said ceramic lacing film is a hollow cavity; The hollow cavity of the ceramic lacing film 2 of each layer is connected up and down; Be inserted with the height of the said hollow cavity that is communicated with in the hollow cavity that is communicated with adapt, width is less than the ultra-strong refractory steel steel band 10 of hollow cavity width; Said ultra-strong refractory steel steel band 10 is provided with installing hole 11 corresponding to the position of the through hole 23 of the ceramic lacing film 2 of each layer, and installing hole 11 is corresponding one by one overlapping with said through hole 23 from top to bottom, sees Fig. 6 b.
Said bottom connecting plate 32 (seeing Fig. 4 a and Fig. 4 b) is fixedly connected the undermost circumferentially bottom of compact arranged said ceramic lacing film 2 in twos.The lower, transverse of each ceramic lacing film 2 of said cylindrical body bottom is provided with two through holes at this moment; Two of being provided with about being of perforation through hole 33 on the bottom connecting plate 32; Overlap with the adjacent through-holes 23 that is positioned at adjacent two ceramic lacing films 2 bottoms, said cylindrical body bottom respectively; Through passing through hole 23 and the ceramic bolt that connects through hole 33, said cylindrical body bottom adjacent two ceramic lacing films 2 are fixed together, like Fig. 7.
As can beappreciated from fig. 7; In a preferred embodiment of the invention, also comprise a heat resisting steel connecting plate 9, it has and the identical structure of said ceramic connecting plate; Be that said heat resisting steel connecting plate is a batten; It is provided with the heat resisting steel through hole with the perforation through hole 33 corresponding perforation heat resisting steel connecting plate front-backs of said ceramic connecting plate, and said heat resisting steel connecting plate is arranged on said ceramic connecting plate and is connected between the position with said ceramic lacing film, through passing through hole, heat resisting steel through hole and connecting the ceramic bolt of through hole; Said cylindrical body adjacent two ceramic lacing films 2 are fixed together, see Fig. 7.
Can know that from Fig. 4 a, Fig. 4 b, Fig. 5 a, Fig. 5 b ceramic connecting plate connects with the rectangle plate body that connects through hole for two ends band pottery bolt on it.Also can be other bar shaped plate bodys, is the plate body of arc structure like periphery.
See Fig. 6 a and Fig. 6 b, said ceramic lacing film 2 is the hollow cavity that is provided with vertical cavity 21 of vertical perforation, and preferred said vertical cavity 21 is two, is provided with vertical rib between two vertical cavitys, to strengthen the intensity of hollow cavity.Two sides of each ceramic lacing film 2 are respectively arranged with the chimeric step 22 of reverse symmetry, like this, and at the ceramic lacing film 2 of circumferentially arranging; Ceramic in twos lacing film 2 is chimeric each other, forms the connection of close and firm, and each ceramic lacing film 2 is a rectangular structure; See Fig. 1; The length of each layer is 771mm, 771mm, 679mm, 679mm from top to bottom, and width is 80mm, and thickness is 37mm.Certain said ceramic lacing film can also be the strip of other shapes, and said ceramic lacing film also can be set to two layers or three layers or five shape structure layer by layer up and down, with the requirement of the cylindrical shell height that adapts to different inner cores.
The present invention is further preferred, and the ultra-strong refractory steel steel band 10 in the hollow cavity of above-mentioned ceramic lacing film 2 is overlapping multi-disc, on the optional position outside the installing hole 11 on the ultra-strong refractory steel steel band one side, is provided with projection 12.
The installation steps of internal barrel of preheater cyclone barrel of the present invention are following:
Be on the holder 6 of former preheater windspout barrel, to be connected and installed by ceramic lacing film and ceramic connecting plate to cooperate the inner barrel that assembles generally, specific as follows:
(1) remove the nichrome link plate of the former internal barrel of preheater cyclone barrel be connected with said holder 8,
(2) the ceramic lacing film 2 that is inserted with ultra-strong refractory steel steel band 10 is installed on said holder 8; The installing hole of the ultra-strong refractory steel steel band that wherein inserts is folded mutually with the through hole 2 of ceramic lacing film 2; Adopt bolt to be installed on the holder 8; Circumferentially the adjacent side of adjacent ceramic lacing film 2 is oppositely chimeric each other, and forms cylindrical body along circumferentially closely arranging, and the upper end of each ceramic lacing film 2 of the top of said cylindrical body links to each other with said holder 8;
(3) when said inner barrel for by said cylindrical body during along layer structure that axis direction is stacked to constitute, be fixed together with the abutting end of the ceramic connecting plate 3 ceramic lacing film 2 that levels is adjacent;
(4) between the bottom of the circumferential adjacent ceramic lacing film 2 in edge, said inner barrel bottom, be fixed together through ceramic connecting plate 3;
Said ceramic connecting plate 3 is a batten, and along its length two ends are provided with the perforation through hole 33 with the said ceramic connecting plate front-back of through hole 23 corresponding perforations of ceramic connecting plate on it.
The ceramic connecting plate 3 that connects the adjacent ceramic lacing film 2 of levels is a middle connecting plate 31; The through hole 23 of the abutting end of the ceramic lacing film 2 that the perforation through hole 33 of said middle connecting plate 31 is adjacent with levels respectively overlaps; Through passing through hole 23 and the ceramic bolt that connects through hole 33, the adjacent said ceramic lacing film 2 of levels is fixed together.
The ceramic connecting plate 3 that connects the circumferential adjacent ceramic lacing film 2 of said inner barrel bottom is bottom connecting plate 32; The perforation through hole 33 at connecting plate 32 two ends, said bottom respectively and between the bottom of the circumferential adjacent ceramic lacing film 2 of said inner barrel bottom adjacent through hole 23 overlap, perforation through hole and the through hole that makes ceramic bolt pass coincidence make the inner barrel bottom circumferentially adjacent ceramic lacing film 2 be fixed together.
The hollow cavity of said ceramic lacing film is longitudinally to connect the vertical cavity 21 that is provided with, and when installing lower floor's adjacent ceramic lacing film 2, levels pottery lacing film correspondence one by one communicates vertical cavity.
The present invention further preferably adds the heat resisting steel connecting plate 9 of one deck and said ceramic connecting plate same structure between the overlapping part of said ceramic lacing film and ceramic connecting plate; It is provided with the heat resisting steel through hole with the perforation through hole 33 corresponding perforation heat resisting steel connecting plate front-backs of said ceramic connecting plate 3, ceramic screw bolt passes through hole 22, heat resisting steel through hole and connect through hole 33 and make between the adjacent ceramic lacing film 2 of said cylindrical body and be fixed together.
The present invention is preferred, and there are two horizontal through holes arranged side by side 23 upper end of each vertical cavity 21 of the superiors' pottery lacing film 2 that is connected with holder 8 at least, and the installing hole 11 on the corresponding ultra-strong refractory steel steel band also is two of horizontally set.It is fastening to adopt ceramic bolt to carry out in the through hole, and it is fastening to adopt the bolt of ultra-strong refractory steel material to carry out in another through hole, the security that can strengthen installing and service life.The pottery bolt has oxidation resistant effect, but ductility and anti-stress difference, and ultra-strong refractory steel has stronger intensity and toughness.Two kinds of bolts use simultaneously, have further guaranteed the safety in utilization of preheating whirlwind tube of the present invention.Certainly, the through hole on each vertical cavity one end on all ceramic lacing films all is set to two, the installing hole on the corresponding ultra-strong refractory steel steel band also all is made as laterally arranged side by side two, also all in the scope of the present invention's protection.The size and the quantity that are used to install the through hole 23 of screw and ceramic lacing film on the one side of ceramic lacing film 2 on the said holder 8 adapt.In this case, above-mentioned installation steps need also be replaced by the holder that this adapts to ceramic lacing film of the present invention with the holder of original equipment.
The present invention is further preferred, and the material of said holder is a ultra-strong refractory steel, further reinforces the heat-resisting and stability of preheating whirlwind tube.In this case, above-mentioned installation steps need also be replaced by the holder of original equipment the holder of preferred material of the present invention.
Claims (17)
1. the internal barrel of preheater cyclone barrel that has the ultra-strong refractory steel steel band; Comprise the inner barrel that links to each other with whirlwind tube holder, polylith pottery lacing film and the ceramic connecting plate of shape structure mate and connect and compose said inner barrel each other layer by layer by being set to two layers or three layers or four layers or five up and down; It is characterized in that; Every said ceramic lacing film is the square plate structure; Two sides are respectively arranged with the chimeric step of reverse symmetry about it, and the left and right sides is chimeric between the ceramic in twos lacing film, and form cylindrical body along circumferentially closely arranging; The upper end on the forward and backward surface of said ceramic lacing film and bottom are provided with the through hole that connects front and rear surfaces respectively, and the upper end of each ceramic lacing film of top of said cylindrical body links to each other with said holder; Said ceramic connecting plate is a batten, and it is provided with the perforation through hole with the said ceramic connecting plate front-back of the corresponding perforation of said through hole; Said ceramic lacing film is a hollow cavity; The hollow cavity of the ceramic lacing film of each layer is connected up and down; Be inserted with the height of the said hollow cavity that is communicated with in the hollow cavity that is communicated with adapt, width is less than the ultra-strong refractory steel steel band of hollow cavity width; Said ultra-strong refractory steel steel band is provided with installing hole corresponding to the position of the through hole of the ceramic lacing film of each layer, from top to bottom installing hole and the corresponding one by one overlapping bolt of using of said through hole.
2. according to the said internal barrel of preheater cyclone barrel with ultra-strong refractory steel steel band of claim 1, it is characterized in that: the hollow cavity of said ceramic lacing film is for longitudinally connecting the vertical cavity that is provided with.
3. according to the said internal barrel of preheater cyclone barrel with ultra-strong refractory steel steel band of claim 2, it is characterized in that: said vertical cavity is two, is provided with vertical rib between two vertical cavitys.
4. according to the said internal barrel of preheater cyclone barrel of claim 3 with ultra-strong refractory steel steel band; It is characterized in that: said ceramic connecting plate; Comprise middle connecting plate; Perforation through hole on the said middle connecting plate is two of being provided with up and down along the plate length direction, overlaps with the through hole on the top of the said ceramic lacing film of the through hole of the bottom of the said ceramic lacing film of its upper end and its lower end respectively, through passing the ceramic bolt of through hole and perforation through hole; Neighbouring said ceramic lacing film is fixed together, and making said cylindrical body is layer structure.
5. according to the said internal barrel of preheater cyclone barrel of claim 4 with ultra-strong refractory steel steel band; It is characterized in that: the through hole of each ceramic lacing film of said cylindrical body bottom is two of horizontally set; Said ceramic connecting plate also comprises the bottom connecting plate; Two of being provided with about being of perforation through hole on the connecting plate of said bottom; Overlap with the adjacent through-holes that is positioned at adjacent two ceramic lacing film bottoms, said cylindrical body bottom respectively,, said cylindrical body bottom adjacent two ceramic lacing films are fixed together through passing through hole and the ceramic bolt that connects through hole.
6. according to the arbitrary said internal barrel of preheater cyclone barrel of claim 1～5 with ultra-strong refractory steel steel band; It is characterized in that: the ultra-strong refractory steel steel band in the said hollow cavity is overlapping multi-disc, on the optional position outside the installing hole on the ultra-strong refractory steel steel band one side, is provided with projection.
7. according to the arbitrary said internal barrel of preheater cyclone barrel with ultra-strong refractory steel steel band of claim 1～5, it is characterized in that: the single-sheet thickness of said ultra-strong refractory steel steel band is 8～10 millimeters.
8. according to the arbitrary described internal barrel of preheater cyclone barrel of claim 2～5 with ultra-strong refractory steel steel band; It is characterized in that: there are two horizontal through holes arranged side by side the upper end of each vertical cavity of the superiors' pottery lacing film that is connected with holder; Installing hole on the corresponding ultra-strong refractory steel steel band also is two of horizontally set, and the screw and shape of through holes and the quantity on the ceramic lacing film that are used on the said holder to install on the one side of ceramic lacing film adapt.
9. the internal barrel of preheater cyclone barrel with ultra-strong refractory steel steel band according to claim 8 is characterized in that: the material of said holder is a ultra-strong refractory steel.
10. according to the arbitrary described ceramic lacing film of claim 1～9 with internal barrel of preheater cyclone barrel of ultra-strong refractory steel steel band; It is characterized in that: be the square plate structure; Two sides are respectively arranged with the chimeric step of reverse symmetry about it; The upper end on its forward and backward surface and bottom are provided with the through hole that connects front and rear surfaces respectively; Said ceramic lacing film is a hollow cavity; Said hollow cavity is inserted with the ultra-strong refractory steel steel band that the height with said hollow cavity adapts, and the upper end of said ultra-strong refractory steel steel band and bottom are provided with the installing hole that connects forward and backward surface along thickness direction, and said installing hole and said through hole ability is overlapping under the insertion state.
11. according to the said ceramic lacing film with ultra-strong refractory steel steel band of claim 10, it is characterized in that: the hollow cavity of said ceramic lacing film is for longitudinally connecting the vertical cavity that is provided with.
12. according to the said ceramic lacing film with ultra-strong refractory steel steel band of claim 11, it is characterized in that: said vertical cavity is two, is provided with vertical rib between two vertical cavitys.
13. the arbitrary said special-purpose ultra-strong refractory steel steel band of claim 1～9 with internal barrel of preheater cyclone barrel of ultra-strong refractory steel steel band; Be characterised in that: its shape is highly consistent with the stack of the hollow cavity of the multi-layer ceramics lacing film of said formation inner barrel, and its position corresponding to the through hole of the ceramic lacing film of each layer is provided with installing hole.
14. ultra-strong refractory steel steel band according to claim 13 is characterized in that: on the optional position outside the installing hole on the said ultra-strong refractory steel steel band one side, be provided with at least one projection.
15. ultra-strong refractory steel steel band according to claim 13 is characterized in that: the width of said ultra-strong refractory steel steel band is 4 centimetres.
16. ultra-strong refractory steel steel band according to claim 13 is characterized in that: the single-sheet thickness of said ultra-strong refractory steel steel band is 8～10 millimeters.
17. the arbitrary said preparation method of claim 1～9 with internal barrel of preheater cyclone barrel of ultra-strong refractory steel steel band; It is characterized in that: on the holder of former preheater windspout barrel, be connected and installed the inner barrel that is assembled by ceramic lacing film and the cooperation of ceramic connecting plate, its step is following
(1) said ultra-strong refractory steel steel band is inserted in the hollow cavity of upper strata pottery lacing film; Make first installing hole of insertion end folded mutually with the through hole of the upper end of ground floor pottery lacing film; The through hole that bolt passes the upper end of folded mutually upper strata pottery lacing film is fixed on ultra-strong refractory steel steel band and upper strata pottery lacing film on the holder with first installing hole; Circumferentially the adjacent side of adjacent ceramic lacing film is oppositely chimeric each other, and forms cylindrical body along circumferentially closely arranging;
(2) when said inner barrel for by said ceramic lacing film during along layer structure that axis direction is stacked to constitute up and down, be fixed together with the abutting end of the ceramic connecting plate ceramic lacing film that levels is adjacent;
(3) between the bottom of the circumferential adjacent ceramic lacing film in edge, said inner barrel bottom, be fixed together through ceramic connecting plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110238409 CN102278891B (en) | 2011-08-18 | 2011-08-18 | Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel |
| PCT/CN2012/080110 WO2013023581A1 (en) | 2011-08-18 | 2012-08-14 | Preheater cyclone inner tube having ultrastrong-type heat-resistant steel-belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110238409 CN102278891B (en) | 2011-08-18 | 2011-08-18 | Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278891A CN102278891A (en) | 2011-12-14 |
| CN102278891B true CN102278891B (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110238409 Expired - Fee Related CN102278891B (en) | 2011-08-18 | 2011-08-18 | Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102278891B (en) |
| WO (1) | WO2013023581A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278891B (en) * | 2011-08-18 | 2012-12-19 | 江苏华信达特钢科技有限公司 | Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel |
| CN104422294B (en) * | 2013-09-05 | 2017-03-08 | 滕州三圣新型材料有限公司 | Cement preheater castable refractory composite inner barrel |
| WO2015070413A1 (en) * | 2013-11-14 | 2015-05-21 | 深圳智慧能源技术有限公司 | Ceramic thermal shielding piece and heat-resistant structure |
| CN104613778A (en) * | 2014-12-13 | 2015-05-13 | 广西科技大学 | Pre-heater rotary barrel air barrel inner barrel provided with ultra-strong heat resistant steel belt |
| CN105241257A (en) * | 2015-11-13 | 2016-01-13 | 广西壮族自治区建筑材料科学研究设计院 | Inner barrel hanging piece for cement preheater |
| CN105258513A (en) * | 2015-11-13 | 2016-01-20 | 广西壮族自治区建筑材料科学研究设计院 | Ceramic inner cylinder for cement kiln |
| CN109443012A (en) * | 2018-12-13 | 2019-03-08 | 郑州钛盾耐磨材料有限公司 | A kind of novel concrete preheater inner barrel mounting structure |
| CN114279223B (en) * | 2021-11-25 | 2022-09-16 | 江苏华航新材料科技集团有限公司 | Production cement preheater ceramic lacing film for inner tube |
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| JPH11173760A (en) * | 1997-12-08 | 1999-07-02 | Shinagawa Refract Co Ltd | Lining structure of rotary kiln for manufacturing cement |
| CN202329219U (en) * | 2011-08-18 | 2012-07-11 | 江苏华信达特钢科技有限公司 | Inner tube of preheater cyclone cylinder with super-highly heat-resistant steel strip, and ceramic hanging plate and steel strip thereof |
| CN102278891B (en) * | 2011-08-18 | 2012-12-19 | 江苏华信达特钢科技有限公司 | Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel |
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2011
- 2011-08-18 CN CN 201110238409 patent/CN102278891B/en not_active Expired - Fee Related
-
2012
- 2012-08-14 WO PCT/CN2012/080110 patent/WO2013023581A1/en active Application Filing
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| EP0263404A1 (en) * | 1986-09-30 | 1988-04-13 | Nihon Cement Co., Ltd. | Rotary kiln |
| CN1160841A (en) * | 1996-03-29 | 1997-10-01 | 中国建筑材料工业建设邯郸建材机械厂 | Vacuum forming technology for lining plate of heat-resisting steel hanging used inside cement kiln |
| CN2268913Y (en) * | 1996-03-29 | 1997-11-26 | 中国建筑材料工业建设邯郸建材机械厂 | Assembled lining style heat-resisting steel cylinder for pre-heater of cement kiln |
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| CN201251367Y (en) * | 2008-08-13 | 2009-06-03 | 重庆罗曼科技有限公司 | High-temperature and abrasion resistant inner tube of preheater in cement drying production line |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013023581A1 (en) | 2013-02-21 |
| CN102278891A (en) | 2011-12-14 |
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