CN102183151B - Internal cylinder for pre-heater cyclone, preparation method and special ceramic hanging pieces thereof - Google Patents
Internal cylinder for pre-heater cyclone, preparation method and special ceramic hanging pieces thereof Download PDFInfo
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- CN102183151B CN102183151B CN2011100621164A CN201110062116A CN102183151B CN 102183151 B CN102183151 B CN 102183151B CN 2011100621164 A CN2011100621164 A CN 2011100621164A CN 201110062116 A CN201110062116 A CN 201110062116A CN 102183151 B CN102183151 B CN 102183151B
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Abstract
The invention provides an internal cylinder for a pre-heater cyclone, a preparation method and special ceramic hanging pieces thereof and relates to the pre-heater cyclone applied to a novel dry cement production line. The internal cylinder for the pre-heater cyclone comprises an internal cylinder body connected to a cyclone fixing base, wherein the internal cylinder body is formed by mutually connecting a plurality of ceramic hanging pieces with a ceramic connecting plate; each ceramic hanging piece has a square plate structure; reverse symmetric jogged steps are respectively arranged on left and right side walls of the ceramic hanging piece; the ceramic hanging pieces are embedded left and right in pairs and are tightly arrayed into a cylindrical body along the circumferential direction; the upper end of each ceramic hanging piece on the upper part of the cylindrical body is connected to the fixing base; the upper and lower or left and right adjacent ceramic hanging pieces are fixedly connected through the ceramic connecting plate; and the ceramic hanging pieces are hollow cavities. The internal cylinder for the pre-heater cyclone has the advantages that the processing difficulty is small, the structure is simple, the cost is low, the acid and alkali corrosion resistance is high and the service life is long.
Description
Technical field
The present invention relates to a kind of preheater windspout barrel, is internal barrel of preheater cyclone barrel that is applied to new type nonaqueous cement production line and preparation method thereof, dedicated ceramic lacing film specifically.
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, 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 preparation method and the special-purpose member pottery lacing film thereof of this whirlwind tube inner core.
A kind of internal barrel of preheater cyclone barrel comprises the inner barrel that links to each other with whirlwind tube holder, and said inner barrel is mated each other by polylith pottery lacing film and ceramic connecting plate and connects and composes; 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 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 top through hole of the said ceramic lacing film of the lower through-hole 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 lower, transverse of each ceramic lacing film of said cylindrical body bottom is provided with two through holes; 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.
Described internal barrel of preheater cyclone barrel; Also comprise a heat resisting steel connecting plate; Have 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 corresponding perforation heat resisting steel of the perforation through hole connecting plate front-back 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 the ceramic bolt of through hole, heat resisting steel through hole and perforation through hole, said cylindrical body adjacent two ceramic lacing films are fixed together.
Said ceramic lacing film is a strip, and said ceramic lacing film is set to two layers or three layers or four layers or five shape structure layer by layer up and down.
Said each ceramic lacing film is a rectangular structure.
A kind of ceramic lacing film; It is characterized in that being the square plate structure; Two sides are respectively arranged with the chimeric step of reverse symmetry about it, and 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.
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.
A kind of preparation method of internal barrel of preheater cyclone barrel 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) remove the nichrome link plate of the former internal barrel of preheater cyclone barrel be connected with said holder,
(2) above-mentioned ceramic lacing film is installed on said holder: circumferentially the adjacent side of adjacent ceramic lacing film is oppositely chimeric each other, and forms cylindrical body along circumferentially closely arranging, and the upper end of each ceramic lacing film of top of said cylindrical body links to each other with said holder;
(3) 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;
(4) between the bottom of the circumferential adjacent ceramic lacing film in edge, said inner barrel bottom, be fixed together through ceramic connecting plate.
Said ceramic connecting plate is a batten; Along its length two ends are provided with the perforation through hole with the said ceramic connecting plate front-back of the corresponding perforation of said through hole on it; The ceramic connecting plate that connects the adjacent ceramic lacing film of levels is a middle connecting plate; The through hole of the abutting end of the ceramic lacing film that the perforation through hole of said middle connecting plate is adjacent with levels respectively overlaps, and through passing through hole and the ceramic bolt that connects through hole, the adjacent said ceramic lacing film of levels is fixed together.
Said ceramic connecting plate is a batten; Along its length two ends are provided with the perforation through hole with the said ceramic connecting plate front-back of the corresponding perforation of said through hole on it; The ceramic connecting plate that connects the circumferential adjacent ceramic lacing film of said inner barrel bottom is the bottom connecting plate; The perforation through hole at connecting plate two ends, said bottom respectively and between the bottom of the circumferential adjacent ceramic lacing film of said inner barrel bottom adjacent through hole overlap, perforation through hole and the through hole that adopts ceramic bolt to pass coincidence make the inner barrel bottom circumferentially adjacent ceramic lacing film be fixed together.
The hollow cavity of said ceramic lacing film is longitudinally to connect the vertical cavity that is provided with, and when installing lower floor's adjacent ceramic lacing film, levels pottery lacing film correspondence one by one communicates vertical cavity.
Between the overlapping part of said ceramic lacing film and ceramic connecting plate, also be provided with heat resisting steel connecting plate with said ceramic connecting plate same structure; It is provided with the heat resisting steel through hole with the corresponding perforation heat resisting steel of the perforation through hole connecting plate front-back of said ceramic connecting plate, ceramic screw bolt passes through hole, heat resisting steel through hole and connect through hole and make between the adjacent ceramic lacing film of said cylindrical body and be fixed together.
Technique effect
The advantage of invention is: owing to form cylindrical body through the plate structure of regular shape 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; Has the stretching, extension contraction leeway that good absorption is expanded with heat and contract with cold; Therefore can guarantee that pottery fracture do not occur and through hole is connected with the long-time held stationary of perforation through hole because expand with heat and contract with cold, invent the advantage that also has ceramic acid-alkali-corrosive-resisting property simultaneously, so prolong cylindrical shell service life greatly.Hollow cavity has been saved material simultaneously, and the cost of manufacture of invention is greatly reduced.Invention 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; Material proportion is not as good as 1/2 of alloy, and can reach 3-4 service life, compares 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 stayed surface to the hollow ceramic lacing film and play supporting role preferably, 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.
Between ceramic lacing film and ceramic connecting plate, the heat resisting steel connecting plate is set, can strengthens bonding strength.
Among the present invention, the ceramic material of lacing film can select for use SiC and Si3N4 to be prepared from through reaction sintering technology.
The present invention also provides the preparation method of whirlwind tube inner core, mainly is meant ceramic lacing film and ceramic connecting plate be assembled on the holder of former preheating whirlwind tube inner core to substitute former nichrome inner core.
Description of drawings
Fig. 1 is a partial side view of the present invention;
Fig. 2 is a 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 vertical view of ceramic lacing film among the present invention;
Fig. 6 b is the side view of ceramic lacing film among the present invention;
The sketch map that is connected of ceramic lacing film and ceramic connecting plate among Fig. 7 a the present invention;
The sketch map that is connected of ceramic lacing film and ceramic connecting plate among Fig. 7 b the present invention;
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.
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 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 (seeing Fig. 6 a and Fig. 6 b) 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 a.
Can find out from Fig. 7 b; 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 b.
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 77lmm, 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 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) ceramic lacing film 2 is installed on said 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 has the heat resisting steel connecting plate 9 that preferably between the overlapping part of said ceramic lacing film and ceramic connecting plate, adds one deck and said ceramic connecting plate same structure; 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.
Claims (15)
1. an internal barrel of preheater cyclone barrel comprises the inner barrel that links to each other with whirlwind tube holder, and said inner barrel is mated each other by polylith pottery lacing film and ceramic connecting plate and connects and composes; 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.
2. internal barrel of preheater cyclone barrel according to claim 1, the hollow cavity that it is characterized in that said ceramic lacing film is for longitudinally connecting the vertical cavity that is provided with.
3. internal barrel of preheater cyclone barrel according to claim 2 is characterized in that said vertical cavity is two, is provided with vertical rib between two vertical cavitys.
4. internal barrel of preheater cyclone barrel according to claim 3; It is characterized in that; Said ceramic connecting plate comprises middle connecting plate, and the perforation through hole on the said middle connecting plate is two that are provided with up and down along the plate length direction; Overlap with the top through hole of the said ceramic lacing film of lower through-hole and its lower end of the said ceramic lacing film of its upper end respectively; Through passing through hole and the ceramic bolt that connects through hole, neighbouring said ceramic lacing film is fixed together, making said cylindrical body is layer structure.
5. internal barrel of preheater cyclone barrel according to claim 4; The lower, transverse that it is characterized in that each ceramic lacing film of said cylindrical body bottom is provided with two through holes; 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 described internal barrel of preheater cyclone barrel of one of claim 1-5; It is characterized in that also comprising a heat resisting steel connecting plate; Have 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 corresponding perforation heat resisting steel of the perforation through hole connecting plate front-back 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 the ceramic bolt of through hole, heat resisting steel through hole and perforation through hole, said cylindrical body adjacent two ceramic lacing films are fixed together.
7. internal barrel of preheater cyclone barrel according to claim 4 is characterized in that, said ceramic lacing film is set to two layers or three layers or four layers or five shape structure layer by layer up and down.
8. ceramic lacing film; It is characterized in that being the square plate structure; Two sides are respectively arranged with the chimeric step of reverse symmetry about it, and 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.
9. ceramic lacing film according to claim 8, the hollow cavity that it is characterized in that said ceramic lacing film is for longitudinally connecting the vertical cavity that is provided with.
10. ceramic lacing film according to claim 9 is characterized in that said vertical cavity is two, is provided with vertical rib between two vertical cavitys.
11. the preparation method of an internal barrel of preheater cyclone barrel 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) remove the nichrome link plate of the former internal barrel of preheater cyclone barrel be connected with said holder,
(2) the described ceramic lacing film of claim 8 is installed on said holder: circumferentially the adjacent side of adjacent ceramic lacing film is oppositely chimeric each other; And along circumferentially closely arranging the formation cylindrical body, the upper end of each ceramic lacing film of top of said cylindrical body links to each other with said holder;
(3) 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;
(4) between the bottom of the circumferential adjacent ceramic lacing film in edge, said inner barrel bottom, be fixed together through ceramic connecting plate.
12. preparation method according to claim 11; It is characterized in that; Said ceramic connecting plate is a batten; Along its length two ends are provided with the perforation through hole with the said ceramic connecting plate front-back of the corresponding perforation of said through hole on it, and the ceramic connecting plate that connects the adjacent ceramic lacing film of levels is a middle connecting plate, and the through hole of the abutting end of the ceramic lacing film that the perforation through hole of said middle connecting plate is adjacent with levels respectively overlaps; Through passing through hole and the ceramic bolt that connects through hole, the adjacent said ceramic lacing film of levels is fixed together.
13. preparation method according to claim 11; It is characterized in that said ceramic connecting plate is a batten; Along its length two ends are provided with the perforation through hole with the said ceramic connecting plate front-back of the corresponding perforation of said through hole on it; The ceramic connecting plate that connects the circumferential adjacent ceramic lacing film of said inner barrel bottom is the bottom connecting plate; The perforation through hole at connecting plate two ends, said bottom respectively and between the bottom of the circumferential adjacent ceramic lacing film of said inner barrel bottom adjacent through hole overlap, perforation through hole and the through hole that adopts ceramic bolt to pass coincidence make the inner barrel bottom circumferentially adjacent ceramic lacing film be fixed together.
14. preparation method according to claim 11 is characterized in that, the hollow cavity of said ceramic lacing film is longitudinally to connect the vertical cavity that is provided with, and when installing lower floor's adjacent ceramic lacing film, levels pottery lacing film correspondence one by one communicates vertical cavity.
15. according to the arbitrary described preparation method of claim 12～14; It is characterized in that: between the overlapping part of said ceramic lacing film and ceramic connecting plate, also be provided with heat resisting steel connecting plate with said ceramic connecting plate same structure; It is provided with the heat resisting steel through hole with the corresponding perforation heat resisting steel of the perforation through hole connecting plate front-back of said ceramic connecting plate, ceramic screw bolt passes through hole, heat resisting steel through hole and connect through hole and make between the adjacent ceramic lacing film of said cylindrical body and be fixed together.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100621164A CN102183151B (en) | 2011-03-15 | 2011-03-15 | Internal cylinder for pre-heater cyclone, preparation method and special ceramic hanging pieces thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100621164A CN102183151B (en) | 2011-03-15 | 2011-03-15 | Internal cylinder for pre-heater cyclone, preparation method and special ceramic hanging pieces thereof |
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| CN102183151A CN102183151A (en) | 2011-09-14 |
| CN102183151B true CN102183151B (en) | 2012-07-25 |
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| CN103557536B (en) * | 2013-11-14 | 2016-01-06 | 深圳智慧能源技术有限公司 | Ceramic heat covers sheet and heat resistant structure |
| CN105333745A (en) * | 2015-11-12 | 2016-02-17 | 南宁易速德机械设备有限公司 | Preheater inner barrel for cement production kiln |
| CN109764689B (en) * | 2019-02-28 | 2020-12-04 | 中材海外工程有限公司 | Cyclone cylinder structure for preheater |
| CN113800797B (en) * | 2021-10-18 | 2022-10-11 | 江苏兴东新材料科技有限公司 | Special ceramic hanging piece for inner cylinder of preheater and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3777520D1 (en) * | 1986-09-30 | 1992-04-23 | Nihon Cement | ROTATING OVEN. |
| 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 |
| CN1099576C (en) * | 1996-03-29 | 2003-01-22 | 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 |
| JPH11173760A (en) * | 1997-12-08 | 1999-07-02 | Shinagawa Refract Co Ltd | Lining structure of rotary kiln for manufacturing cement |
| JP2000249475A (en) * | 1999-02-26 | 2000-09-14 | Hitachi Zosen Corp | Refractory for agitation of rotary furnace, and rotary furnace |
| JP2003114090A (en) * | 2001-10-05 | 2003-04-18 | Shinagawa Refract Co Ltd | Cement rotary kiln and repair method therefor |
| CN101251338B (en) * | 2008-03-30 | 2010-06-02 | 贾剑光 | Ceramic internal barrel of preheater windspout barrel and construction method |
| 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 |
| CN201540026U (en) * | 2009-07-15 | 2010-08-04 | 河南省宏达炉业有限公司 | Precast brick for inner liner of rotary kiln |
| CN202013105U (en) * | 2011-03-15 | 2011-10-19 | 江苏华信达特钢科技有限公司 | Inner cylinder of preheater cyclone cylinder and special ceramic hanging plates for same |
-
2011
- 2011-03-15 CN CN2011100621164A patent/CN102183151B/en not_active Expired - Fee Related
Also Published As
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| CN102183151A (en) | 2011-09-14 |
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